PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 85-114 hepatocyte growth factor Rattus norvegicus 22-25 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 85-114 ornithine decarboxylase 1 Rattus norvegicus 54-77 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 85-114 hepatocyte growth factor Rattus norvegicus 271-274 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 116-120 hepatocyte growth factor Rattus norvegicus 22-25 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 116-120 ornithine decarboxylase 1 Rattus norvegicus 54-77 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 116-120 ornithine decarboxylase 1 Rattus norvegicus 79-82 9784414-2 1998 Combined treatment of HGF and a specific inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), reduced the levels of hyper-phosphorylated and hypo-phosphorylated forms of RB and increased the levels of the non-phosphorylated form, compared to HGF alone, but did not affect the total level of RB. Eflornithine 116-120 hepatocyte growth factor Rattus norvegicus 271-274 9756034-8 1998 Injection of the ODC inhibitor, alpha-difluoromethylornithine (500 mg/kg) at the onset of withdrawal resulted in a significant reduction in the severity of withdrawal behaviors. Eflornithine 32-61 ornithine decarboxylase 1 Rattus norvegicus 17-20 9719082-3 1998 In a short-term phase IIa trial, we determined that low doses of alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (an enzyme involved in polyamine synthesis), reduced the polyamine content of normal-appearing rectal mucosa of subjects with a prior history of resected colon polyps. Eflornithine 65-94 ornithine decarboxylase 1 Homo sapiens 119-142 9719082-3 1998 In a short-term phase IIa trial, we determined that low doses of alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (an enzyme involved in polyamine synthesis), reduced the polyamine content of normal-appearing rectal mucosa of subjects with a prior history of resected colon polyps. Eflornithine 96-100 ornithine decarboxylase 1 Homo sapiens 119-142 9688614-5 1998 Administration of DFMO not only depleted intracellular polyamines but also significantly increased the mRNA levels of TGF-beta. Eflornithine 18-22 transforming growth factor, beta 1 Rattus norvegicus 118-126 9688614-6 1998 Increased TGF-beta mRNA in DFMO-treated cells was paralleled by an increase in TGF-beta content. Eflornithine 27-31 transforming growth factor, beta 1 Rattus norvegicus 10-18 9688614-6 1998 Increased TGF-beta mRNA in DFMO-treated cells was paralleled by an increase in TGF-beta content. Eflornithine 27-31 transforming growth factor, beta 1 Rattus norvegicus 79-87 9688614-8 1998 The half-life of mRNA for TGF-beta in normal cells was approximately 65 min and increased to >16 h in cells treated with DFMO for 6 or 12 days. Eflornithine 124-128 transforming growth factor, beta 1 Rattus norvegicus 26-34 9688614-9 1998 Exogenous polyamine, when given together with DFMO, prevented the increased half-life of TGF-beta mRNA in IEC-6 cells. Eflornithine 46-50 transforming growth factor, beta 1 Rattus norvegicus 89-97 9688665-5 1998 This proliferative response correlated with an increase in ODC activity that was partially inhibited (20%) by difluoromethylornithine (DFMO), an inhibitor of ODC (IC50, 30 pM). Eflornithine 110-133 ornithine decarboxylase 1 Homo sapiens 59-62 9688665-5 1998 This proliferative response correlated with an increase in ODC activity that was partially inhibited (20%) by difluoromethylornithine (DFMO), an inhibitor of ODC (IC50, 30 pM). Eflornithine 110-133 ornithine decarboxylase 1 Homo sapiens 158-161 9688665-5 1998 This proliferative response correlated with an increase in ODC activity that was partially inhibited (20%) by difluoromethylornithine (DFMO), an inhibitor of ODC (IC50, 30 pM). Eflornithine 135-139 ornithine decarboxylase 1 Homo sapiens 59-62 9688665-5 1998 This proliferative response correlated with an increase in ODC activity that was partially inhibited (20%) by difluoromethylornithine (DFMO), an inhibitor of ODC (IC50, 30 pM). Eflornithine 135-139 ornithine decarboxylase 1 Homo sapiens 158-161 9688665-7 1998 DFMO completely inhibited the proliferative response of TGF-alpha (IC50, 3 pM). Eflornithine 0-4 transforming growth factor alpha Homo sapiens 56-65 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 84-113 ornithine decarboxylase, structural 1 Mus musculus 45-48 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 84-113 ornithine decarboxylase, structural 1 Mus musculus 64-67 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 84-113 ornithine decarboxylase, structural 1 Mus musculus 64-67 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 115-119 ornithine decarboxylase, structural 1 Mus musculus 45-48 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 115-119 ornithine decarboxylase, structural 1 Mus musculus 64-67 9744537-8 1998 The development and the maintenance of these ODC/ras tumors was ODC-dependent since alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the formation and caused the regression of these tumors. Eflornithine 115-119 ornithine decarboxylase, structural 1 Mus musculus 64-67 9686762-9 1998 The thrombin-mediated increase in putrescine production was reversed by N(G)-methyl-L-arginine, a competitive inhibitor of cationic amino acid transport, or by alpha-difluoromethylornithine (DFMO), an ODC inhibitor. Eflornithine 160-189 coagulation factor II, thrombin Homo sapiens 4-12 9686762-9 1998 The thrombin-mediated increase in putrescine production was reversed by N(G)-methyl-L-arginine, a competitive inhibitor of cationic amino acid transport, or by alpha-difluoromethylornithine (DFMO), an ODC inhibitor. Eflornithine 191-195 coagulation factor II, thrombin Homo sapiens 4-12 9686762-10 1998 DFMO also inhibited thrombin-induced SMC proliferation. Eflornithine 0-4 coagulation factor II, thrombin Homo sapiens 20-28 10987683-0 1998 Inhibited expression of insulin-like growth factor I mRNA and attenuated cardiac hypertrophy in volume overloaded hearts treated with difluoromethylornithine. Eflornithine 134-157 insulin-like growth factor 1 Rattus norvegicus 24-52 9638584-6 1998 Treatment for 24 h with difluoromethylornithine (DFMO), a selective blocker of the enzyme ornithine decarboxylase and an inducer of the polyamine transport system, significantly increased the cellular uptake of 14C-FL-SPD and 14C-FL-SPM compared to that of control cells. Eflornithine 24-47 ornithine decarboxylase 1 Homo sapiens 90-113 9638584-6 1998 Treatment for 24 h with difluoromethylornithine (DFMO), a selective blocker of the enzyme ornithine decarboxylase and an inducer of the polyamine transport system, significantly increased the cellular uptake of 14C-FL-SPD and 14C-FL-SPM compared to that of control cells. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 90-113 9695073-7 1998 In addition, ursodeoxycholic acid and alpha-difluoromethylornithine, a selective inhibitor of ornithine decarboxylase, have been employed in human intervention trials. Eflornithine 38-67 ornithine decarboxylase 1 Homo sapiens 94-117 9712166-2 1998 In this study, rats with intact or suppressed ODC activity by alpha-difluoromethylornithine (DFMO, 400 mg/kg i.p.) Eflornithine 62-91 ornithine decarboxylase 1 Rattus norvegicus 46-49 9712166-2 1998 In this study, rats with intact or suppressed ODC activity by alpha-difluoromethylornithine (DFMO, 400 mg/kg i.p.) Eflornithine 93-97 ornithine decarboxylase 1 Rattus norvegicus 46-49 9841492-2 1998 Ornithine decarboxylase (ODC) was localized along the mouse and rat nephron by incubating viable nephron segments isolated by microdissection from collagenase-treated kidneys with or without D,L-2-(difluoromethyl)ornithine (DFMO), a selective inactivator of ODC. Eflornithine 224-228 ornithine decarboxylase, structural 1 Mus musculus 0-23 9841492-2 1998 Ornithine decarboxylase (ODC) was localized along the mouse and rat nephron by incubating viable nephron segments isolated by microdissection from collagenase-treated kidneys with or without D,L-2-(difluoromethyl)ornithine (DFMO), a selective inactivator of ODC. Eflornithine 224-228 ornithine decarboxylase, structural 1 Mus musculus 25-28 9841492-10 1998 This ODC activity was strongly inhibited in DFMO-treated mice. Eflornithine 44-48 ornithine decarboxylase, structural 1 Mus musculus 5-8 9626454-0 1998 Epidermal growth factor receptor expression in cervical intraepithelial neoplasia and its modulation during an alpha-difluoromethylornithine chemoprevention trial. Eflornithine 111-140 epidermal growth factor receptor Homo sapiens 0-32 9626454-2 1998 The purpose of this study was to examine expression of epidermal growth factor receptor (EGFR) as a marker for progression of cervical intraepithelial neoplasia (CIN) and as a surrogate end point biomarker in a chemoprevention trial with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 238-267 epidermal growth factor receptor Homo sapiens 55-87 9626454-2 1998 The purpose of this study was to examine expression of epidermal growth factor receptor (EGFR) as a marker for progression of cervical intraepithelial neoplasia (CIN) and as a surrogate end point biomarker in a chemoprevention trial with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 238-267 epidermal growth factor receptor Homo sapiens 89-93 9626454-2 1998 The purpose of this study was to examine expression of epidermal growth factor receptor (EGFR) as a marker for progression of cervical intraepithelial neoplasia (CIN) and as a surrogate end point biomarker in a chemoprevention trial with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 269-273 epidermal growth factor receptor Homo sapiens 55-87 9626454-2 1998 The purpose of this study was to examine expression of epidermal growth factor receptor (EGFR) as a marker for progression of cervical intraepithelial neoplasia (CIN) and as a surrogate end point biomarker in a chemoprevention trial with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 269-273 epidermal growth factor receptor Homo sapiens 89-93 9626454-8 1998 Although the overall levels of EGFR expression were not modulated in either histological responders or nonresponders, responders showed a prominent down-regulation of EGFR expression away from the basal layer after DFMO treatment. Eflornithine 215-219 epidermal growth factor receptor Homo sapiens 167-171 9626454-9 1998 Interestingly, pretreatment EGFR expression levels predicted for DFMO response [i.e., eight responses (72.7%) for 11 cases with RSI levels below 0.35 versus one response (9.1%) for 11 cases with RSI levels above 0.35 (P < 0.01)]. Eflornithine 65-69 epidermal growth factor receptor Homo sapiens 28-32 9626454-10 1998 These results suggest that CIN progression is associated with a spatial dysregulation of EGFR expression that can be reversed by DFMO treatment, especially in patients whose pretreatment CIN 3 lesions exhibit relatively low EGFR expression. Eflornithine 129-133 epidermal growth factor receptor Homo sapiens 89-93 9626454-10 1998 These results suggest that CIN progression is associated with a spatial dysregulation of EGFR expression that can be reversed by DFMO treatment, especially in patients whose pretreatment CIN 3 lesions exhibit relatively low EGFR expression. Eflornithine 129-133 epidermal growth factor receptor Homo sapiens 224-228 9855067-1 1998 OBJECTIVE: The effect of blockade of the enzyme ornithine decarboxylase by difluoromethylornithine (DFMO) on hepatocellular necrosis and survival in rats treated with thioacetamide (TAA) was investigated. Eflornithine 75-98 ornithine decarboxylase 1 Rattus norvegicus 48-71 9855067-1 1998 OBJECTIVE: The effect of blockade of the enzyme ornithine decarboxylase by difluoromethylornithine (DFMO) on hepatocellular necrosis and survival in rats treated with thioacetamide (TAA) was investigated. Eflornithine 100-104 ornithine decarboxylase 1 Rattus norvegicus 48-71 9702002-8 1998 Difluoromethylornithine, a specific inhibitor of ODC, decreased the level of PUT in the liver, and inhibited [3H] thymidine incorporation. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 49-52 9719479-1 1998 Alpha-difluoromethylornithine (DFMO) is commonly used as a specific ornithine decarboxylase (ODC, EC4.1.1.17) irreversible inhibitor. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 68-91 9719479-1 1998 Alpha-difluoromethylornithine (DFMO) is commonly used as a specific ornithine decarboxylase (ODC, EC4.1.1.17) irreversible inhibitor. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 93-96 9719479-1 1998 Alpha-difluoromethylornithine (DFMO) is commonly used as a specific ornithine decarboxylase (ODC, EC4.1.1.17) irreversible inhibitor. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 68-91 9719479-1 1998 Alpha-difluoromethylornithine (DFMO) is commonly used as a specific ornithine decarboxylase (ODC, EC4.1.1.17) irreversible inhibitor. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 93-96 9719479-11 1998 The inhibitory effect of DFMO upon arginase, one step upstream of the ODC reaction in the metabolic conversion of L-arginine to polyamines, is of potential physiological importance, since it could alter the production of ornithine and thus its metabolism in pathways other than the ODC pathway. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 70-73 9719479-11 1998 The inhibitory effect of DFMO upon arginase, one step upstream of the ODC reaction in the metabolic conversion of L-arginine to polyamines, is of potential physiological importance, since it could alter the production of ornithine and thus its metabolism in pathways other than the ODC pathway. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 282-285 10987683-3 1998 Difluoromethylornithine (DFMO) 2%, which is a specific, irreversible blocker of ornithine decarboxylase, was administered in the drinking water to intervention groups and one sham group, respectively, 24 h prior to surgery and for up to 26 days. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 80-103 10987683-3 1998 Difluoromethylornithine (DFMO) 2%, which is a specific, irreversible blocker of ornithine decarboxylase, was administered in the drinking water to intervention groups and one sham group, respectively, 24 h prior to surgery and for up to 26 days. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 80-103 10987683-4 1998 DFMO blocked transiently the early over-expression of right ventricular IGF-I mRNA and attenuated the rapid development of both right and left ventricular hypertrophy during volume overload. Eflornithine 0-4 insulin-like growth factor 1 Rattus norvegicus 72-77 9615732-9 1998 It may be concluded that suramin affects polyamine metabolism, and that its effects in some respects are opposite to those of alpha-difluoromethylomithine (DFMO), a specific inhibitor of ODC. Eflornithine 156-160 ornithine decarboxylase, structural 1 Mus musculus 187-190 9615733-3 1998 We have earlier shown that suramin affects cellular polyamine metabolism and transport, and that these effects were, in some respects, opposite to those of alpha-difluoromethylomithine (DFMO), a specific inhibitor to ornithine decarboxylase, a key metabolic enzyme for polyamines. Eflornithine 186-190 ornithine decarboxylase, structural 1 Mus musculus 217-240 9506849-7 1998 Cell exposure to difluoromethylornithine, an irreversible inhibitor of ODC enzyme, dramatically antagonised both serum- and phorbol 12-myristate 13-acetate (PMA)-stimulated DNA synthesis. Eflornithine 17-40 ornithine decarboxylase 1 Homo sapiens 71-74 9486143-6 1998 In both cell lines, ornithine decarboxylase mRNA levels increased and protooncogene c-myc mRNA decreased in the presence of DFMO. Eflornithine 124-128 MYC proto-oncogene, bHLH transcription factor Homo sapiens 84-89 9486179-9 1998 DFMO completely abolished elevation of ODC activity 6 h after reperfusion but did not change the percentage of fragmented DNA. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 39-42 9486183-4 1998 In contrast, both MDL-72527 and DFMO inhibited the increase in putrescine level and DNA synthesis at 16.5 h. These findings suggest that putrescine produced from preexistent spermidine by SSAT is responsible for the initial DNA synthesis after mucosal injury induced by NaCl and that both SSAT and ODC are involved in formation of putrescine, which is required for subsequent DNA synthesis. Eflornithine 32-36 spermidine/spermine N1-acetyl transferase 1 Rattus norvegicus 188-192 9486183-4 1998 In contrast, both MDL-72527 and DFMO inhibited the increase in putrescine level and DNA synthesis at 16.5 h. These findings suggest that putrescine produced from preexistent spermidine by SSAT is responsible for the initial DNA synthesis after mucosal injury induced by NaCl and that both SSAT and ODC are involved in formation of putrescine, which is required for subsequent DNA synthesis. Eflornithine 32-36 spermidine/spermine N1-acetyl transferase 1 Rattus norvegicus 289-293 9486183-4 1998 In contrast, both MDL-72527 and DFMO inhibited the increase in putrescine level and DNA synthesis at 16.5 h. These findings suggest that putrescine produced from preexistent spermidine by SSAT is responsible for the initial DNA synthesis after mucosal injury induced by NaCl and that both SSAT and ODC are involved in formation of putrescine, which is required for subsequent DNA synthesis. Eflornithine 32-36 ornithine decarboxylase 1 Rattus norvegicus 298-301 9549231-7 1998 Administration of DFMO, an irreversible inhibitor of the proliferation-associated enzyme ornithine decarboxylase (ODC), prevented diabetes-I induced jejunal hyperplasia and decreased all of the above enzymic parameters in both diabetic and control rats. Eflornithine 18-22 ornithine decarboxylase 1 Rattus norvegicus 89-112 9549231-7 1998 Administration of DFMO, an irreversible inhibitor of the proliferation-associated enzyme ornithine decarboxylase (ODC), prevented diabetes-I induced jejunal hyperplasia and decreased all of the above enzymic parameters in both diabetic and control rats. Eflornithine 18-22 ornithine decarboxylase 1 Rattus norvegicus 114-117 9549231-8 1998 In our previous in vivo study, DFMO administration also blocked diabetic jejunal hyperplasia and in addition decreased ornithine decarboxylase and tyrosine kinase activities jejunal and tyrosine phosphorylation of proteins. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 119-142 9548411-2 1998 It was found that ifenprodil inhibited ornithine decarboxylase activity with the same potency as alpha-difluoromethylornithine, a major inhibitor of ornithine decarboxylase. Eflornithine 97-126 ornithine decarboxylase 1 Homo sapiens 149-172 9020157-1 1997 When ornithine decarboxylase, the initial and highly regulated enzyme in polyamine biosynthesis, is irreversibly inactivated by alpha-difluoromethylornithine, F9 teratocarcinoma stem cells are depleted of putrescine and spermidine and as a result differentiate into a cell type which phenotypically resembles the parietal endoderm cells of the early mouse embryo. Eflornithine 128-157 ornithine decarboxylase, structural 1 Mus musculus 5-28 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 15-44 ornithine decarboxylase 1 Homo sapiens 116-139 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 15-44 formyl peptide receptor 1 Homo sapiens 272-290 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 15-44 formyl peptide receptor 1 Homo sapiens 292-296 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 46-50 ornithine decarboxylase 1 Homo sapiens 116-139 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 46-50 formyl peptide receptor 1 Homo sapiens 272-290 9368191-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a selective inhibitor of the rate-limiting biosynthetic enzyme ornithine decarboxylase, produced dose-dependent inhibition of the respiratory burst in PMNs that were primed by these agents and subsequently activated by formyl-Met-Leu-Phe (fMLP). Eflornithine 46-50 formyl peptide receptor 1 Homo sapiens 292-296 9368191-5 1998 Antagonism of priming by DFMO correlated with a dose-dependent attenuation of fMLP-induced intracellular Ca2+ mobilization (r > or = 0.96). Eflornithine 25-29 formyl peptide receptor 1 Homo sapiens 78-82 9525811-1 1998 The polyamine inhibitor DL-alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine decarboxylase which is a rate-limiting enzyme in the polyamine bio-synthesis pathway. Eflornithine 24-56 ornithine decarboxylase 1 Homo sapiens 104-127 9525811-1 1998 The polyamine inhibitor DL-alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine decarboxylase which is a rate-limiting enzyme in the polyamine bio-synthesis pathway. Eflornithine 58-62 ornithine decarboxylase 1 Homo sapiens 104-127 9525827-2 1998 Eflornithine, an irreversible inhibitor of ornithine decarboxylase, reduces cellular polyamine levels and has also been reported to cause tumor regression in patients with recurrent anaplastic astrocytoma and glioblastoma multiforme. Eflornithine 0-12 ornithine decarboxylase 1 Homo sapiens 43-66 9580224-5 1998 Clenbuterol-linked cardiac hypertrophy could be prevented by co-administration of either the non-specific beta-adrenergic antagonist, propranolol, or the irreversible inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine. Eflornithine 205-234 ornithine decarboxylase, structural 1 Mus musculus 180-203 9476255-5 1998 The DL-difluoromethylornithine (DFMO) and MDL 72527DA, two well known inhibitors of ornithine decarboxylase (ODC) and Polyamine Oxidase (PAO) respectively, had no toxicity on the P388D1 cells compared to our compounds. Eflornithine 32-36 polyamine oxidase (exo-N4-amino) Mus musculus 118-135 9396730-1 1997 DH23A cells, an alpha-difluoromethylornithine-resistant variant of the parental hepatoma tissue culture cells, express high levels of stable ornithine decarboxylase. Eflornithine 16-45 ornithine decarboxylase 1 Rattus norvegicus 141-164 9396730-2 1997 Aberrantly high expression of ornithine decarboxylase results in a large accumulation of endogenous putrescine and increased apoptosis in DH23A cells when alpha-difluoromethylornithine is removed from the culture. Eflornithine 155-184 ornithine decarboxylase 1 Rattus norvegicus 30-53 9361192-1 1997 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, and all-trans-retinoic acid (RA) are known to induce F9 teratocarcinoma stem cell differentiation. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 84-107 9361192-1 1997 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, and all-trans-retinoic acid (RA) are known to induce F9 teratocarcinoma stem cell differentiation. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 84-107 9361192-4 1997 Thus, retinoic acid receptor (RAR) alpha mRNA is weakly expressed during DFMO treatment, but strongly induced during an early phase of RA treatment. Eflornithine 73-77 retinoic acid receptor alpha Homo sapiens 6-40 9361192-5 1997 RAR beta mRNA is not detectable in DFMO-treated cells, but very strongly induced by RA and maintained at a high level throughout the differentiative process. Eflornithine 35-39 retinoic acid receptor beta Homo sapiens 0-8 9361192-6 1997 RAR gamma mRNA is relatively strongly expressed in untreated control cells and remains at approximately the same level during DFMO-induced differentiation. Eflornithine 126-130 retinoic acid receptor gamma Homo sapiens 0-9 9374496-10 1997 The lyso-PC-mediated increase in the production of putrescine was reversed by NG-methyl-L-arginine, a competitive inhibitor of cationic amino acid transport, or by alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor. Eflornithine 164-193 ornithine decarboxylase 1 Homo sapiens 198-221 9417887-4 1997 Inhibitors of ODC such as difluoromethylornithine (DFMO) completely blocked ODC activity, resulting in growth inhibition but not apoptosis. Eflornithine 26-49 ornithine decarboxylase 1 Homo sapiens 14-17 9417887-4 1997 Inhibitors of ODC such as difluoromethylornithine (DFMO) completely blocked ODC activity, resulting in growth inhibition but not apoptosis. Eflornithine 26-49 ornithine decarboxylase 1 Homo sapiens 76-79 9417887-4 1997 Inhibitors of ODC such as difluoromethylornithine (DFMO) completely blocked ODC activity, resulting in growth inhibition but not apoptosis. Eflornithine 51-55 ornithine decarboxylase 1 Homo sapiens 14-17 9417887-4 1997 Inhibitors of ODC such as difluoromethylornithine (DFMO) completely blocked ODC activity, resulting in growth inhibition but not apoptosis. Eflornithine 51-55 ornithine decarboxylase 1 Homo sapiens 76-79 9417887-5 1997 Addition of putrescine, the product of ODC enzymatic action, to Ramos cells had only a minor effect on growth, did not cause apoptosis, did not augment or block anti-IgM-mediated growth inhibition and apoptosis, but did reverse DFMO-mediated growth inhibition. Eflornithine 228-232 ornithine decarboxylase 1 Homo sapiens 39-42 9371082-14 1997 Nonetheless, the activity in the screen of the known ODC inhibitor difluoromethylornithine (DFMO) validates the concept that specific recombinant microorganisms can serve as the basis for extremely selective and facile screens. Eflornithine 67-90 ornithine decarboxylase 1 Homo sapiens 53-56 9371082-14 1997 Nonetheless, the activity in the screen of the known ODC inhibitor difluoromethylornithine (DFMO) validates the concept that specific recombinant microorganisms can serve as the basis for extremely selective and facile screens. Eflornithine 92-96 ornithine decarboxylase 1 Homo sapiens 53-56 9367837-2 1997 In difluoromethylornithine-resistant L1210 cells stimulated to growth from quiescence, treatment with LY294002 inhibited cell growth and provoked a complete block of the induction of ODC activity (IC50 approximately 2 microM) and ODC protein. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 183-186 9367837-2 1997 In difluoromethylornithine-resistant L1210 cells stimulated to growth from quiescence, treatment with LY294002 inhibited cell growth and provoked a complete block of the induction of ODC activity (IC50 approximately 2 microM) and ODC protein. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 230-233 9331102-9 1997 Next, a specific inhibitor of ODC, difluoromethylornithine, at a dose of 10 mM, completely blocked the ER response in cultured normal skin fibroblasts, suggesting that the ODC enzyme is in fact essential for the ER response. Eflornithine 35-58 ornithine decarboxylase 1 Homo sapiens 30-33 9331102-9 1997 Next, a specific inhibitor of ODC, difluoromethylornithine, at a dose of 10 mM, completely blocked the ER response in cultured normal skin fibroblasts, suggesting that the ODC enzyme is in fact essential for the ER response. Eflornithine 35-58 ornithine decarboxylase 1 Homo sapiens 172-175 9252524-1 1997 The inhibition of ornithine decarboxylase, a rate-limiting enzyme of polyamine biosynthesis, with alpha-difluoromethylornithine in IEC-6 cells (small intestinal crypt cell line) reduces cell migration by 70%, inhibits protein cross-linking, and affects the cytoskeletal assembly. Eflornithine 98-127 ornithine decarboxylase 1 Rattus norvegicus 18-41 9210401-0 1997 Inhibition of the expression of ornithine decarboxylase and c-Myc by cell-permeant ceramide in difluoromethylornithine-resistant leukaemia cells. Eflornithine 95-118 ornithine decarboxylase, structural 1 Mus musculus 32-55 9210401-0 1997 Inhibition of the expression of ornithine decarboxylase and c-Myc by cell-permeant ceramide in difluoromethylornithine-resistant leukaemia cells. Eflornithine 95-118 myelocytomatosis oncogene Mus musculus 62-65 9210401-2 1997 In difluoromethylornithine-resistant L1210 cells stimulated to growth from quiescence, the cell-permeant analogues of ceramide N-acetylsphingosine (C2-ceramide) and N-hexanoylsphingosine (C6-ceramide) inhibited the induction of ornithine decarboxylase (ODC) activity with IC50 of 8.3 and 1.5 microM respectively. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 228-251 9210401-2 1997 In difluoromethylornithine-resistant L1210 cells stimulated to growth from quiescence, the cell-permeant analogues of ceramide N-acetylsphingosine (C2-ceramide) and N-hexanoylsphingosine (C6-ceramide) inhibited the induction of ornithine decarboxylase (ODC) activity with IC50 of 8.3 and 1.5 microM respectively. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 253-256 9223132-3 1997 Female CD-1 mice infected with an eflornithine-resistant trypanosome stabilate and treated with the trypanocidal compound diminazene aceturate on or after day 21 post-infection develop a reactive encephalopathy and relapsing parasitaemia. Eflornithine 34-46 CD1 antigen complex Mus musculus 7-11 9160048-0 1997 alpha-difluoromethylornithine modifies gonadotropin-releasing hormone release and follicle-stimulating hormone secretion in the immature female rat. Eflornithine 0-29 gonadotropin releasing hormone 1 Rattus norvegicus 39-69 9160048-2 1997 In a previous study, inhibition of their synthesis by alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, during development in female rats, was followed by prolonged high follicle-stimulating hormone (FSH) serum level and a delayed puberty onset. Eflornithine 54-83 ornithine decarboxylase 1 Rattus norvegicus 133-156 9160048-2 1997 In a previous study, inhibition of their synthesis by alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, during development in female rats, was followed by prolonged high follicle-stimulating hormone (FSH) serum level and a delayed puberty onset. Eflornithine 85-89 ornithine decarboxylase 1 Rattus norvegicus 133-156 9160048-13 1997 In summary, DFMO treatment in a critical developmental period in the female rat impacts the immature GnRH neuronal network and immature gonadotropes. Eflornithine 12-16 gonadotropin releasing hormone 1 Rattus norvegicus 101-105 9194572-7 1997 This was in contrast to DFMO, which inhibited ODC activity, but significantly increased its mRNA content. Eflornithine 24-28 ornithine decarboxylase, structural 1 Mus musculus 46-49 9139705-8 1997 However, the addition of difluoromethylornithine, a specific ODC inhibitor, to the transgenic keratinocytes reduced both intracellular polyamine levels and CK2 enzyme activity. Eflornithine 25-48 ornithine decarboxylase, structural 1 Mus musculus 61-64 9139705-8 1997 However, the addition of difluoromethylornithine, a specific ODC inhibitor, to the transgenic keratinocytes reduced both intracellular polyamine levels and CK2 enzyme activity. Eflornithine 25-48 casein kinase 2, alpha prime polypeptide Mus musculus 156-159 9142900-9 1997 In the presence of DFMO, exogenous TGF-beta restored cell migration to normal. Eflornithine 19-23 transforming growth factor, beta 1 Rattus norvegicus 35-43 9142900-4 1997 Gene expression of TGF-beta was dramatically stimulated after wounding of a monolayer of cells not treated with DFMO. Eflornithine 112-116 transforming growth factor, beta 1 Rattus norvegicus 19-27 9142900-7 1997 Depletion of intracellular polyamines in DFMO-treated cells significantly inhibited increased expression of the TGF-beta gene in response to wounding. Eflornithine 41-45 transforming growth factor, beta 1 Rattus norvegicus 112-120 9142900-10 1997 These results indicate that 1) polyamine depletion induced by DFMO is associated with decreases in the expression of the TGF-beta gene and cell migration in IEC-6 cells and 2) exogenous TGF-beta reverses the inhibitory effect of polyamine depletion on cell migration. Eflornithine 62-66 transforming growth factor, beta 1 Rattus norvegicus 121-129 9142900-10 1997 These results indicate that 1) polyamine depletion induced by DFMO is associated with decreases in the expression of the TGF-beta gene and cell migration in IEC-6 cells and 2) exogenous TGF-beta reverses the inhibitory effect of polyamine depletion on cell migration. Eflornithine 62-66 transforming growth factor, beta 1 Rattus norvegicus 186-194 9073131-3 1997 Male Wistar rats were either treated with the synthetic trypsin inhibitor camostate (200 mg/kg body wt orally twice daily), camostate plus the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) (2% in drinking water plus 3 x 300 mg/kg body wt intraperitoneally during daytime) or saline as controls. Eflornithine 177-206 ornithine decarboxylase 1 Rattus norvegicus 143-166 21533396-8 1997 These results indicate that the administration of piroxicam, a non-steroidal anti-inflammatory drug, and DFMO, a irreversible inhibitor of ornithine decarboxylase, may inhibit selective proliferation of initiated cells containing activated las and/or mutant p53. Eflornithine 105-109 ornithine decarboxylase 1 Rattus norvegicus 139-162 21533396-8 1997 These results indicate that the administration of piroxicam, a non-steroidal anti-inflammatory drug, and DFMO, a irreversible inhibitor of ornithine decarboxylase, may inhibit selective proliferation of initiated cells containing activated las and/or mutant p53. Eflornithine 105-109 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 258-261 21533396-9 1997 Dietary DFMO exerted more pronounced inhibition of selective amplification of initiated cells containing mutated ras and/or p53. Eflornithine 8-12 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 124-127 9458728-4 1998 Polyamine biosynthesis in IEC-6 cells was interrupted by treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, the primary rate-limiting enzyme of polyamine biosynthesis. Eflornithine 72-101 ornithine decarboxylase 1 Rattus norvegicus 134-157 9458728-4 1998 Polyamine biosynthesis in IEC-6 cells was interrupted by treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, the primary rate-limiting enzyme of polyamine biosynthesis. Eflornithine 103-107 ornithine decarboxylase 1 Rattus norvegicus 134-157 9397163-6 1998 alpha-Difluoromethylornithine (DFMO) pretreatment, by lowering putrescine and spermidine in HGF- or IL-1 beta-treated cells, prevented the induction of cSAT. Eflornithine 0-29 hepatocyte growth factor Homo sapiens 92-95 9397163-6 1998 alpha-Difluoromethylornithine (DFMO) pretreatment, by lowering putrescine and spermidine in HGF- or IL-1 beta-treated cells, prevented the induction of cSAT. Eflornithine 0-29 interleukin 1 beta Homo sapiens 100-109 9397163-6 1998 alpha-Difluoromethylornithine (DFMO) pretreatment, by lowering putrescine and spermidine in HGF- or IL-1 beta-treated cells, prevented the induction of cSAT. Eflornithine 31-35 hepatocyte growth factor Homo sapiens 92-95 9397163-6 1998 alpha-Difluoromethylornithine (DFMO) pretreatment, by lowering putrescine and spermidine in HGF- or IL-1 beta-treated cells, prevented the induction of cSAT. Eflornithine 31-35 interleukin 1 beta Homo sapiens 100-109 9397163-9 1998 DFMO prevented almost completely the enhancement of c-jun mRNA expression by IL-1 beta, and this effect was reversed by exogenous putrescine or spermidine. Eflornithine 0-4 Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens 52-57 9397163-9 1998 DFMO prevented almost completely the enhancement of c-jun mRNA expression by IL-1 beta, and this effect was reversed by exogenous putrescine or spermidine. Eflornithine 0-4 interleukin 1 beta Homo sapiens 77-86 9872505-3 1998 In this study, rats with intact or suppressed ODC activity by alpha-difluoromethy-ornithine (DFMO, 400 mg/kg i.p.) Eflornithine 93-97 ornithine decarboxylase 1 Rattus norvegicus 46-49 9343440-11 1997 Inhibiting ODC activity with alpha-difluoromethylornithine delayed DCVC-induced cell death. Eflornithine 29-58 ornithine decarboxylase 1 Sus scrofa 11-14 9316423-3 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of polyamine synthesis, for 4 or 6 days not only almost completely depleted total (whole) cellular and nuclear polyamines but also significantly decreased expression of the protooncogenes c-myc and c-jun in IEC-6 cells. Eflornithine 18-47 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 265-270 9316423-3 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of polyamine synthesis, for 4 or 6 days not only almost completely depleted total (whole) cellular and nuclear polyamines but also significantly decreased expression of the protooncogenes c-myc and c-jun in IEC-6 cells. Eflornithine 49-53 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 265-270 9316423-4 1997 Using nuclear run-on transcription assay, we demonstrated that the basal rate of transcription of c-myc was decreased by 55% at 4 days and by 60% at 6 days in the DFMO-treated cells. Eflornithine 163-167 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 98-103 9316423-8 1997 Furthermore, direct administration of spermidine to isolated nuclei from polyamine-deficient (caused by DFMO) cells resulted in a 2- to 2.5-fold increase in c-myc and c-jun transcription. Eflornithine 104-108 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 157-162 9224728-5 1997 Difluoromethylornithine (DFMO), an inhibitor of ODC, inhibited MEL cell proliferation, which was reversed by the simultaneous addition of putrescine, a product of ODC, but did not affect differentiation. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 48-51 9224728-5 1997 Difluoromethylornithine (DFMO), an inhibitor of ODC, inhibited MEL cell proliferation, which was reversed by the simultaneous addition of putrescine, a product of ODC, but did not affect differentiation. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 163-166 9224728-5 1997 Difluoromethylornithine (DFMO), an inhibitor of ODC, inhibited MEL cell proliferation, which was reversed by the simultaneous addition of putrescine, a product of ODC, but did not affect differentiation. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 48-51 9224728-5 1997 Difluoromethylornithine (DFMO), an inhibitor of ODC, inhibited MEL cell proliferation, which was reversed by the simultaneous addition of putrescine, a product of ODC, but did not affect differentiation. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 163-166 9186364-6 1997 The ODC-activity in the prostate was significantly increased by IGF-I after 3 days of treatment, and administration of IGF-I concomitantly with DFMO significantly inhibited ODC activity and the weight increase of the prostate. Eflornithine 144-148 insulin-like growth factor 1 Rattus norvegicus 119-124 9186364-6 1997 The ODC-activity in the prostate was significantly increased by IGF-I after 3 days of treatment, and administration of IGF-I concomitantly with DFMO significantly inhibited ODC activity and the weight increase of the prostate. Eflornithine 144-148 ornithine decarboxylase 1 Rattus norvegicus 173-176 9009157-3 1997 Upon chronic selective pressure with alpha-difluoromethyl-ornithine (DFMO) (an irreversible inhibitor of ODC), infected MCF-10A cells exhibited an approximately 250-fold increase in ODC activity, which persisted despite discontinuation of DFMO. Eflornithine 69-73 ornithine decarboxylase 1 Homo sapiens 105-108 9142900-2 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (the first rate-limiting enzyme for polyamine synthesis), depleted cellular polyamines putrescine, spermidine, and spermine in IEC-6 cells. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 80-103 9142900-2 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (the first rate-limiting enzyme for polyamine synthesis), depleted cellular polyamines putrescine, spermidine, and spermine in IEC-6 cells. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 80-103 9142900-3 1997 DFMO also significantly reduced basal levels of TGF-beta mRNA in unwounded cells. Eflornithine 0-4 transforming growth factor, beta 1 Rattus norvegicus 48-56 9416763-7 1997 Our results suggest that, in rat uterus, forskolin: a) produced cAMP-dependent relaxation, as this is antagonized by Rp-cAMP and TPCK, and b) increased the activity of ornithine decarboxylase, as this is inhibited by DFMO. Eflornithine 217-221 ornithine decarboxylase 1 Rattus norvegicus 168-191 9022291-9 1996 The presence of DFMO, an irreversible inhibitor of ODC, led to apoptotic fragmentation of DNA, similar to that observed in TGF-beta 1-treated cultures. Eflornithine 16-20 ornithine decarboxylase, structural 1 Mus musculus 51-54 9017896-5 1996 Additionally, seven animals were simultaneously treated with the ODC inhibitor alpha-difluoromethylornithine (DFMO) and sacrificed seven days after a single DMH injection. Eflornithine 79-108 ornithine decarboxylase 1 Rattus norvegicus 65-68 8937449-0 1996 Inhibition of the expression of ornithine decarboxylase by haloperidol in difluoromethylornithine-resistant leukemia cells. Eflornithine 74-97 ornithine decarboxylase, structural 1 Mus musculus 32-55 8937449-1 1996 In difluoromethylornithine-resistant L1210 cells stimulated to grow from quiescence, haloperidol caused an early and dose-dependent inhibition of the induction of ornithine decarboxylase (ODC) activity, with an IC50 of 3.5 microM. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 163-186 8937449-1 1996 In difluoromethylornithine-resistant L1210 cells stimulated to grow from quiescence, haloperidol caused an early and dose-dependent inhibition of the induction of ornithine decarboxylase (ODC) activity, with an IC50 of 3.5 microM. Eflornithine 3-26 ornithine decarboxylase, structural 1 Mus musculus 188-191 9009157-3 1997 Upon chronic selective pressure with alpha-difluoromethyl-ornithine (DFMO) (an irreversible inhibitor of ODC), infected MCF-10A cells exhibited an approximately 250-fold increase in ODC activity, which persisted despite discontinuation of DFMO. Eflornithine 37-67 ornithine decarboxylase 1 Homo sapiens 105-108 9009157-3 1997 Upon chronic selective pressure with alpha-difluoromethyl-ornithine (DFMO) (an irreversible inhibitor of ODC), infected MCF-10A cells exhibited an approximately 250-fold increase in ODC activity, which persisted despite discontinuation of DFMO. Eflornithine 37-67 ornithine decarboxylase 1 Homo sapiens 182-185 9083339-1 1997 Inhibitors of ornithine decarboxylase (ODC), such as alpha-difluoromethylornithine (DFMO), may influence the cytotoxicity of anti-tumour agents that interact with DNA. Eflornithine 53-82 ornithine decarboxylase 1 Homo sapiens 14-37 9083339-1 1997 Inhibitors of ornithine decarboxylase (ODC), such as alpha-difluoromethylornithine (DFMO), may influence the cytotoxicity of anti-tumour agents that interact with DNA. Eflornithine 53-82 ornithine decarboxylase 1 Homo sapiens 39-42 9083339-1 1997 Inhibitors of ornithine decarboxylase (ODC), such as alpha-difluoromethylornithine (DFMO), may influence the cytotoxicity of anti-tumour agents that interact with DNA. Eflornithine 84-88 ornithine decarboxylase 1 Homo sapiens 14-37 9083339-1 1997 Inhibitors of ornithine decarboxylase (ODC), such as alpha-difluoromethylornithine (DFMO), may influence the cytotoxicity of anti-tumour agents that interact with DNA. Eflornithine 84-88 ornithine decarboxylase 1 Homo sapiens 39-42 9589357-4 1997 Our group plans phase I and II trials using alpha-difluoromethylornithine, a suicide inhibitor of ornithine decarboxylase and potent antiproliferative chemopreventive agent. Eflornithine 44-73 ornithine decarboxylase 1 Homo sapiens 98-121 9563003-2 1997 We studied the combined effects of taxol with 0.1 mM of the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) in the MCF-7 human breast adenocarcinoma cell line. Eflornithine 94-123 ornithine decarboxylase 1 Homo sapiens 60-83 9009157-3 1997 Upon chronic selective pressure with alpha-difluoromethyl-ornithine (DFMO) (an irreversible inhibitor of ODC), infected MCF-10A cells exhibited an approximately 250-fold increase in ODC activity, which persisted despite discontinuation of DFMO. Eflornithine 69-73 ornithine decarboxylase 1 Homo sapiens 182-185 9009157-3 1997 Upon chronic selective pressure with alpha-difluoromethyl-ornithine (DFMO) (an irreversible inhibitor of ODC), infected MCF-10A cells exhibited an approximately 250-fold increase in ODC activity, which persisted despite discontinuation of DFMO. Eflornithine 239-243 ornithine decarboxylase 1 Homo sapiens 182-185 9009157-6 1997 Lesser degrees of increased ODC activity were obtained reproducibly by re-exposing the cells to incremental small doses of DFMO. Eflornithine 123-127 ornithine decarboxylase 1 Homo sapiens 28-31 8695842-9 1996 The use of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, indicates that ODC is not necessary for the c-myc-mediated differentiation block. Eflornithine 11-40 ornithine decarboxylase 1 Homo sapiens 78-81 8695842-9 1996 The use of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, indicates that ODC is not necessary for the c-myc-mediated differentiation block. Eflornithine 42-46 ornithine decarboxylase 1 Homo sapiens 78-81 8760367-0 1996 Overproduction of stable ornithine decarboxylase and antizyme in the difluoromethylornithine-resistant cell line DH23b. Eflornithine 69-92 ornithine decarboxylase 1 Homo sapiens 25-48 8842565-6 1996 DFMO attenuated both the rise in bp (p < 0.05) and vascular spermidine (p < 0.05) in the angII infused rats but vascular structure was apparently unaffected on day 12. Eflornithine 0-4 angiotensinogen Rattus norvegicus 95-100 8864401-6 1996 alpha-Difluoromethylornithine showed an ornithine decarboxylase inhibition of 97.1%. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 40-63 9306606-3 1997 The putrescine level and ornithine decarboxylase (ODC) activity were significantly higher in the ischemia + hepatectomy group than in the control group, but were markedly decreased in the DFMO + ischemia + hepatectomy group. Eflornithine 188-192 ornithine decarboxylase 1 Rattus norvegicus 50-53 8726018-5 1996 In addition, CGP 40215A also cured a model central nervous system infection in combination with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO; Ornidyl, eflornithine). Eflornithine 134-166 ornithine decarboxylase 1 Homo sapiens 100-123 8726018-5 1996 In addition, CGP 40215A also cured a model central nervous system infection in combination with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO; Ornidyl, eflornithine). Eflornithine 168-172 ornithine decarboxylase 1 Homo sapiens 100-123 8664348-0 1996 Inhibition of the expression of ornithine decarboxylase by some kappa-opioidergic receptor ligands in difluoromethylornithine-resistant L1210 cells. Eflornithine 102-125 ornithine decarboxylase, structural 1 Mus musculus 32-55 8967490-4 1996 The role of ODC was assessed by treating experimental rats with the irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO) for 24 h. Animals receiving DFMO demonstrated a decreased CO2 production from [2-(14)C]pyruvate along the entire crypt-villus axis coupled with an increase in lactate production in the upper cell populations. Eflornithine 95-124 ornithine decarboxylase 1 Rattus norvegicus 12-15 8967490-4 1996 The role of ODC was assessed by treating experimental rats with the irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO) for 24 h. Animals receiving DFMO demonstrated a decreased CO2 production from [2-(14)C]pyruvate along the entire crypt-villus axis coupled with an increase in lactate production in the upper cell populations. Eflornithine 95-124 ornithine decarboxylase 1 Rattus norvegicus 81-84 8967490-4 1996 The role of ODC was assessed by treating experimental rats with the irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO) for 24 h. Animals receiving DFMO demonstrated a decreased CO2 production from [2-(14)C]pyruvate along the entire crypt-villus axis coupled with an increase in lactate production in the upper cell populations. Eflornithine 126-130 ornithine decarboxylase 1 Rattus norvegicus 81-84 8967490-4 1996 The role of ODC was assessed by treating experimental rats with the irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO) for 24 h. Animals receiving DFMO demonstrated a decreased CO2 production from [2-(14)C]pyruvate along the entire crypt-villus axis coupled with an increase in lactate production in the upper cell populations. Eflornithine 160-164 ornithine decarboxylase 1 Rattus norvegicus 12-15 8967490-4 1996 The role of ODC was assessed by treating experimental rats with the irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO) for 24 h. Animals receiving DFMO demonstrated a decreased CO2 production from [2-(14)C]pyruvate along the entire crypt-villus axis coupled with an increase in lactate production in the upper cell populations. Eflornithine 160-164 ornithine decarboxylase 1 Rattus norvegicus 81-84 8618048-5 1996 The ODC inhibitor 2-difluoromethylornithine could prevent hair loss and partially normalize skin histology if administered before the onset of ODC overexpression. Eflornithine 18-43 ornithine decarboxylase, structural 1 Mus musculus 4-7 8618048-5 1996 The ODC inhibitor 2-difluoromethylornithine could prevent hair loss and partially normalize skin histology if administered before the onset of ODC overexpression. Eflornithine 18-43 ornithine decarboxylase, structural 1 Mus musculus 143-146 8849262-1 1996 Difluoromethylornithine (DFMO; eflornithine hydrochloride [Ornidyl]), a suicide inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC), is effective in treating Pneumocystis carinii pneumonia, a common opportunistic infection associated with AIDS. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 156-159 8849262-1 1996 Difluoromethylornithine (DFMO; eflornithine hydrochloride [Ornidyl]), a suicide inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC), is effective in treating Pneumocystis carinii pneumonia, a common opportunistic infection associated with AIDS. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 156-159 8849262-1 1996 Difluoromethylornithine (DFMO; eflornithine hydrochloride [Ornidyl]), a suicide inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC), is effective in treating Pneumocystis carinii pneumonia, a common opportunistic infection associated with AIDS. Eflornithine 31-57 ornithine decarboxylase 1 Rattus norvegicus 156-159 8849262-2 1996 Despite DFMO"s specificity for ODC, the reason for its selective toxicity against P. carinii is unknown since both host and parasite are dependent on the same enzyme for polyamine biosynthesis. Eflornithine 8-12 ornithine decarboxylase 1 Rattus norvegicus 31-34 8674387-3 1996 To distinguish these possibilities, rats were treated with difluoromethylornithine, blocking ornithine decarboxylase activity and thereby adaptive bowel growth. Eflornithine 59-82 ornithine decarboxylase 1 Rattus norvegicus 93-116 8801123-0 1996 Effects of gestational or neonatal treatment with alpha-difluoromethylornithine on ornithine decarboxylase and polyamines in developing rat brain and on adult rat neurochemistry. Eflornithine 50-79 ornithine decarboxylase 1 Rattus norvegicus 83-106 8814137-3 1996 DNA synthesis was determined by [3H]thymidine incorporation into the acid-insoluble fraction after the addition of an inhibitor of ODC (alpha-difluoromethylornithine [DFMO]) or SAMDC (methylglyoxal bis[guanylhydrazone] [MGBG]). Eflornithine 136-165 ornithine decarboxylase Bos taurus 131-134 8801123-1 1996 Pregnant rats were treated for five consecutive days during gestation with s.c. injections of the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 138-167 ornithine decarboxylase 1 Rattus norvegicus 98-121 8801123-1 1996 Pregnant rats were treated for five consecutive days during gestation with s.c. injections of the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 138-167 ornithine decarboxylase 1 Rattus norvegicus 123-126 8801123-1 1996 Pregnant rats were treated for five consecutive days during gestation with s.c. injections of the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 169-173 ornithine decarboxylase 1 Rattus norvegicus 98-121 8801123-1 1996 Pregnant rats were treated for five consecutive days during gestation with s.c. injections of the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 169-173 ornithine decarboxylase 1 Rattus norvegicus 123-126 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 77-100 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 102-105 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 137-140 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 77-100 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 102-105 8779979-2 1996 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the IEC-6 cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 137-140 8779979-7 1996 The administration of wortmannin, an inhibitor of myosin light chain kinase, significantly inhibited cell migration over the denuded area in control cells and in those treated with DFMO + polyamines. Eflornithine 181-185 myosin light chain kinase Rattus norvegicus 50-75 9094379-1 1996 This study examined the effect of difluoromethylornithine (DFMO) on regional activities of ornithine decarboxylase (ODC) and edema formation in bilateral cerebral cortex and hippocampus after a unilateral controlled cortical-impact (CCI) injury in rats. Eflornithine 59-63 ornithine decarboxylase 1 Rattus norvegicus 91-114 9094379-0 1996 Effect of difluoromethylornithine treatment on regional ornithine decarboxylase activity and edema formation after experimental brain injury. Eflornithine 10-33 ornithine decarboxylase 1 Rattus norvegicus 56-79 9094379-1 1996 This study examined the effect of difluoromethylornithine (DFMO) on regional activities of ornithine decarboxylase (ODC) and edema formation in bilateral cerebral cortex and hippocampus after a unilateral controlled cortical-impact (CCI) injury in rats. Eflornithine 34-57 ornithine decarboxylase 1 Rattus norvegicus 91-114 9094379-1 1996 This study examined the effect of difluoromethylornithine (DFMO) on regional activities of ornithine decarboxylase (ODC) and edema formation in bilateral cerebral cortex and hippocampus after a unilateral controlled cortical-impact (CCI) injury in rats. Eflornithine 34-57 ornithine decarboxylase 1 Rattus norvegicus 116-119 8550737-3 1996 Spermidine depletion induced by the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), resulted in complete cytostasis and loss of mitogenic response to either E2 or insulin (or IGF-I). Eflornithine 71-100 insulin Homo sapiens 188-195 8550737-3 1996 Spermidine depletion induced by the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), resulted in complete cytostasis and loss of mitogenic response to either E2 or insulin (or IGF-I). Eflornithine 71-100 insulin like growth factor 1 Homo sapiens 200-205 8550737-3 1996 Spermidine depletion induced by the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), resulted in complete cytostasis and loss of mitogenic response to either E2 or insulin (or IGF-I). Eflornithine 102-106 insulin Homo sapiens 188-195 8550737-3 1996 Spermidine depletion induced by the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), resulted in complete cytostasis and loss of mitogenic response to either E2 or insulin (or IGF-I). Eflornithine 102-106 insulin like growth factor 1 Homo sapiens 200-205 8550737-5 1996 Whereas antiestrogen-resistant growth in insulin-treated cells was halted by DFMO, the antiestrogen did not further inhibit growth upon prior polyamine depletion. Eflornithine 77-81 insulin Homo sapiens 41-48 8550737-7 1996 Moreover, spermidine depletion and decarboxylated S-adenosylmethionine accumulation induced by DFMO required prior mitogenic stimulation by E2 and/or IGF-I. Eflornithine 95-99 insulin like growth factor 1 Homo sapiens 150-155 8550737-10 1996 On the other hand, DFMO depressed the cycling fraction of E2/IGF-I-stimulated MCF-7 cell population far more dramatically than the antiestrogen and to less than that noted in mitogen-deprived cells. Eflornithine 19-23 insulin like growth factor 1 Homo sapiens 61-66 9156788-3 1996 We examined the effect of sepsis in rats on polyamine biosynthesis in isolated jejunal enterocytes and measured mucosal protein synthesis following inhibition of ornithine decarboxylase (ODC) activity with difluoromethylornithine. Eflornithine 206-229 ornithine decarboxylase 1 Rattus norvegicus 187-190 9156788-7 1996 Treatment of rats with difluoromethylornithine prevented the sepsis-induced increase in mucosal ODC activity, putrescine concentration, and protein synthesis rate. Eflornithine 23-46 ornithine decarboxylase 1 Rattus norvegicus 96-99 8768305-1 1996 The effect of difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of polyamine biosynthesis, and its combined action with GM1 ganglioside, was studied on the GFAP content in a model of remote astrogliosis evoked in the hippocampus by lateral fimbria transection. Eflornithine 14-37 ornithine decarboxylase 1 Rattus norvegicus 100-103 8768305-1 1996 The effect of difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of polyamine biosynthesis, and its combined action with GM1 ganglioside, was studied on the GFAP content in a model of remote astrogliosis evoked in the hippocampus by lateral fimbria transection. Eflornithine 39-43 ornithine decarboxylase 1 Rattus norvegicus 75-98 8768305-2 1996 DFMO markedly suppressed hippocampal gliosis as measured by GFAP immunoblotting seven days postsurgery. Eflornithine 0-4 glial fibrillary acidic protein Rattus norvegicus 60-64 8772501-5 1996 The treatment of the sucklings with RU-38486 or with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, dramatically reduced the amount of SI mRNA. Eflornithine 53-82 ornithine decarboxylase 1 Rattus norvegicus 115-118 8772501-5 1996 The treatment of the sucklings with RU-38486 or with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, dramatically reduced the amount of SI mRNA. Eflornithine 53-82 sucrase-isomaltase Rattus norvegicus 155-157 8772501-5 1996 The treatment of the sucklings with RU-38486 or with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, dramatically reduced the amount of SI mRNA. Eflornithine 84-88 ornithine decarboxylase 1 Rattus norvegicus 115-118 8772501-5 1996 The treatment of the sucklings with RU-38486 or with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, dramatically reduced the amount of SI mRNA. Eflornithine 84-88 sucrase-isomaltase Rattus norvegicus 155-157 8772501-7 1996 Sucklings receiving HC and treated concomitantly with either RU-38486 or DFMO exhibited a reduced amount of ODC mRNA and a dramatic decline in both SI mRNA and activity. Eflornithine 73-77 ornithine decarboxylase 1 Rattus norvegicus 108-111 8772501-7 1996 Sucklings receiving HC and treated concomitantly with either RU-38486 or DFMO exhibited a reduced amount of ODC mRNA and a dramatic decline in both SI mRNA and activity. Eflornithine 73-77 sucrase-isomaltase Rattus norvegicus 148-150 9094379-1 1996 This study examined the effect of difluoromethylornithine (DFMO) on regional activities of ornithine decarboxylase (ODC) and edema formation in bilateral cerebral cortex and hippocampus after a unilateral controlled cortical-impact (CCI) injury in rats. Eflornithine 59-63 ornithine decarboxylase 1 Rattus norvegicus 116-119 9094379-9 1996 DFMO, an irreversible inhibitor of ODC, abolished the increase in ODC in all regions. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 35-38 9094379-9 1996 DFMO, an irreversible inhibitor of ODC, abolished the increase in ODC in all regions. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 66-69 8554515-7 1995 Moreover, the pHi-dependence of the rate of Na(+)-dependent H+ extrusion after an acid stress was altered by DFMO and BE-3-4-3, resulting in a set-point which was lower by 0.25-0.30 pH unit in polyamine-depleted cells. Eflornithine 109-113 glucose-6-phosphate isomerase 1 Mus musculus 14-17 8594622-5 1996 Inhibition of their synthesis during this period by alpha- difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, impairs normal brain development. Eflornithine 52-82 ornithine decarboxylase 1 Rattus norvegicus 132-155 8594622-5 1996 Inhibition of their synthesis during this period by alpha- difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, impairs normal brain development. Eflornithine 84-88 ornithine decarboxylase 1 Rattus norvegicus 132-155 8594622-15 1996 It is concluded that DFMO, an inhibitor of ornithine decarboxylase, administered during the first week of life in female rats is followed by prolonged high FSH serum levels and delayed puberty, but once puberty occurs, fertility is normal. Eflornithine 21-25 ornithine decarboxylase 1 Rattus norvegicus 43-66 7493642-0 1995 Relationship between ornithine decarboxylase and cytoskeletal organization in cultured human keratinocytes: cellular responses to phorbol esters, cytochalasins, and alpha-difluoromethylornithine. Eflornithine 165-194 ornithine decarboxylase 1 Homo sapiens 21-44 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 77-80 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 15-44 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 197-202 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 15-44 gastrin Rattus norvegicus 223-230 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 77-80 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 46-50 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 197-202 8572176-8 1995 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only completely depleted intracellular polyamines but also significantly prevented the increased expression of c-myc in cells exposed to gastrin. Eflornithine 46-50 gastrin Rattus norvegicus 223-230 8572176-9 1995 These results show that 1) gastrin stimulates both polyamine biosynthesis and the expression of the c-myc protooncogene, and 2) depletion of intracellular polyamines by DFMO significantly prevented the increased expression of c-myc by gastrin. Eflornithine 169-173 gastrin Rattus norvegicus 27-34 8572176-9 1995 These results show that 1) gastrin stimulates both polyamine biosynthesis and the expression of the c-myc protooncogene, and 2) depletion of intracellular polyamines by DFMO significantly prevented the increased expression of c-myc by gastrin. Eflornithine 169-173 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 100-105 8572176-9 1995 These results show that 1) gastrin stimulates both polyamine biosynthesis and the expression of the c-myc protooncogene, and 2) depletion of intracellular polyamines by DFMO significantly prevented the increased expression of c-myc by gastrin. Eflornithine 169-173 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 226-231 8572176-9 1995 These results show that 1) gastrin stimulates both polyamine biosynthesis and the expression of the c-myc protooncogene, and 2) depletion of intracellular polyamines by DFMO significantly prevented the increased expression of c-myc by gastrin. Eflornithine 169-173 gastrin Rattus norvegicus 235-242 7595561-4 1995 Pretreatment with alpha-difluoromethylornithine (DFMO) significantly blocked the ODC activity at 2, 4, and 6 h. Significant edema formation was found at 2, 4, and 6 h. At 2 h, edema formation was unaffected by administration of DFMO. Eflornithine 18-47 ornithine decarboxylase 1 Homo sapiens 81-84 7595561-4 1995 Pretreatment with alpha-difluoromethylornithine (DFMO) significantly blocked the ODC activity at 2, 4, and 6 h. Significant edema formation was found at 2, 4, and 6 h. At 2 h, edema formation was unaffected by administration of DFMO. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 81-84 7595561-5 1995 However, DFMO treatment reduced later edema formation at 4 and 6 h. These results demonstrate that ODC activity and edema formation are delayed in gerbils after the induction of transient ischemia even with the removal of anesthetic agents and their potentially protective effects. Eflornithine 9-13 ornithine decarboxylase 1 Homo sapiens 99-102 7595561-7 1995 DFMO treatment reduced both the ODC activity and edema formation, indicating a role for polyamines in postischemic edema formation. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 32-35 7646459-4 1995 (2) The results revealed that ODC gene copy number started to decrease after 4 weeks growth without DFMO, to a final level of less than 30% of the original gene dosage. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 30-33 7493642-9 1995 NHEK treated with cytochalasin B or D to inhibit actin polymerization exhibited a diffuse ODC localization that could be reversed by removal of the cytochalasin; inhibition of ODC by alpha-difluoromethylornithine caused a diffuse ODC localization. Eflornithine 183-212 ornithine decarboxylase 1 Homo sapiens 176-179 7493642-9 1995 NHEK treated with cytochalasin B or D to inhibit actin polymerization exhibited a diffuse ODC localization that could be reversed by removal of the cytochalasin; inhibition of ODC by alpha-difluoromethylornithine caused a diffuse ODC localization. Eflornithine 183-212 ornithine decarboxylase 1 Homo sapiens 176-179 7575451-1 1995 We previously reported that difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, exerted significant beneficial effects on the lifespan and disease expression of MRL-lpr/lpr mice, which spontaneously develop a lupus-like syndrome. Eflornithine 28-51 Fas (TNF receptor superfamily member 6) Mus musculus 185-188 7575451-1 1995 We previously reported that difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, exerted significant beneficial effects on the lifespan and disease expression of MRL-lpr/lpr mice, which spontaneously develop a lupus-like syndrome. Eflornithine 28-51 Fas (TNF receptor superfamily member 6) Mus musculus 189-192 7575451-1 1995 We previously reported that difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, exerted significant beneficial effects on the lifespan and disease expression of MRL-lpr/lpr mice, which spontaneously develop a lupus-like syndrome. Eflornithine 53-57 Fas (TNF receptor superfamily member 6) Mus musculus 185-188 7575451-1 1995 We previously reported that difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, exerted significant beneficial effects on the lifespan and disease expression of MRL-lpr/lpr mice, which spontaneously develop a lupus-like syndrome. Eflornithine 53-57 Fas (TNF receptor superfamily member 6) Mus musculus 189-192 7575451-5 1995 Treatment of MRL-lpr/lpr mice with DFMO increased [Ca2+]i to 360 +/- 30 nM (P < 0.05). Eflornithine 35-39 Fas (TNF receptor superfamily member 6) Mus musculus 17-20 7575451-5 1995 Treatment of MRL-lpr/lpr mice with DFMO increased [Ca2+]i to 360 +/- 30 nM (P < 0.05). Eflornithine 35-39 Fas (TNF receptor superfamily member 6) Mus musculus 21-24 7575451-7 1995 DFMO treatment increased InsP3 levels in concanavalin A-treated MRL-lpr/lpr T-cells to 67%. Eflornithine 0-4 Fas (TNF receptor superfamily member 6) Mus musculus 68-71 7575451-7 1995 DFMO treatment increased InsP3 levels in concanavalin A-treated MRL-lpr/lpr T-cells to 67%. Eflornithine 0-4 Fas (TNF receptor superfamily member 6) Mus musculus 72-75 7575451-9 1995 DFMO treatment reduced tyrosine phosphorylation of p56lck of MRL-lpr/lpr mice significantly (P < 0.001). Eflornithine 0-4 lymphocyte protein tyrosine kinase Mus musculus 51-57 7575451-9 1995 DFMO treatment reduced tyrosine phosphorylation of p56lck of MRL-lpr/lpr mice significantly (P < 0.001). Eflornithine 0-4 Fas (TNF receptor superfamily member 6) Mus musculus 65-68 7575451-9 1995 DFMO treatment reduced tyrosine phosphorylation of p56lck of MRL-lpr/lpr mice significantly (P < 0.001). Eflornithine 0-4 Fas (TNF receptor superfamily member 6) Mus musculus 69-72 7575451-12 1995 These data show that DFMO treatment could alter signal-transduction pathways of splenic T-cells of MRL-lpr/lpr mice. Eflornithine 21-25 Fas (TNF receptor superfamily member 6) Mus musculus 103-106 7575451-12 1995 These data show that DFMO treatment could alter signal-transduction pathways of splenic T-cells of MRL-lpr/lpr mice. Eflornithine 21-25 Fas (TNF receptor superfamily member 6) Mus musculus 107-110 7646459-1 1995 (1) Human myeloma cell line Sultan, resistant to 20 mM difluoro-methylornithine (DFMO) owing to ornithine decarboxylase (ODC) gene amplification, was grown in the absence of DFMO for a period of 10 months. Eflornithine 81-85 ornithine decarboxylase 1 Homo sapiens 96-119 7646459-2 1995 The gene copy number and methylation status of the ODC gene were monitored after withdrawal of DFMO. Eflornithine 95-99 ornithine decarboxylase 1 Homo sapiens 51-54 7559809-5 1995 Additionally, DMSpm supports cell growth in cells which have been depleted of their natural polyamines by the ornithine decarboxylase inhibitor, 2-difluoromethylornithine. Eflornithine 145-170 ornithine decarboxylase 1 Homo sapiens 110-133 7474658-4 1995 However, the concomitant treatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 2% solution in the drinking water completely abolished the increase of renal ODC, but the kidney weights increased and other androgenic effects, such as the induction of renal beta-glucuronidase, were not affected. Eflornithine 40-63 ornithine decarboxylase, structural 1 Mus musculus 101-104 7474658-4 1995 However, the concomitant treatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 2% solution in the drinking water completely abolished the increase of renal ODC, but the kidney weights increased and other androgenic effects, such as the induction of renal beta-glucuronidase, were not affected. Eflornithine 40-63 ornithine decarboxylase, structural 1 Mus musculus 188-191 7474658-4 1995 However, the concomitant treatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 2% solution in the drinking water completely abolished the increase of renal ODC, but the kidney weights increased and other androgenic effects, such as the induction of renal beta-glucuronidase, were not affected. Eflornithine 65-69 ornithine decarboxylase, structural 1 Mus musculus 101-104 7474658-4 1995 However, the concomitant treatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 2% solution in the drinking water completely abolished the increase of renal ODC, but the kidney weights increased and other androgenic effects, such as the induction of renal beta-glucuronidase, were not affected. Eflornithine 65-69 ornithine decarboxylase, structural 1 Mus musculus 188-191 7646459-5 1995 The methylation status of the ODC gene, however, remained almost unaltered, displaying only a modest increase in methylation after 10 months without DFMO. Eflornithine 149-153 ornithine decarboxylase 1 Homo sapiens 30-33 7646459-9 1995 (3) Due to the grossly elevated ODC enzyme activity, levels of putrescine and spermidine first peaked and then stabilized at 6 weeks after DFMO withdrawal. Eflornithine 139-143 ornithine decarboxylase 1 Homo sapiens 32-35 7628376-7 1995 Difluoromethylornithine, a specific inhibitor of ODC activity, induced a similar inhibition of UMR 106-01 cell proliferation, indicating the importance of the polyamine pathway in this osteoblastic cell line. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 49-52 7634128-11 1995 In vitro, treatment with DL-alpha-difluoromethylornithine (DFMO) or methylglyoxal bis-(guanylhydrazone) (MGBG) led to an increase in AdoMetDC. Eflornithine 25-57 S-adenosylmethionine decarboxylase 1 Mus musculus 133-141 7570589-6 1995 Administration of alpha-difluoromethylornithine, a suicide inhibitor of ODC, prevented both an increase in putrescine level and DNA synthesis in the crypt cells. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 72-75 7790255-6 1995 Ornithine decarboxylase (ODC) activity was rapidly inhibited (1-2 h) following 10 microM BE-4-4-4-4 exposure in all SCC cell lines (approximately 90%), whereas identical exposure to 10 microM difluoromethylornithine (DFMO) induced animal ODC inhibition (approximately 10%). Eflornithine 192-215 ornithine decarboxylase 1 Homo sapiens 0-23 7790255-6 1995 Ornithine decarboxylase (ODC) activity was rapidly inhibited (1-2 h) following 10 microM BE-4-4-4-4 exposure in all SCC cell lines (approximately 90%), whereas identical exposure to 10 microM difluoromethylornithine (DFMO) induced animal ODC inhibition (approximately 10%). Eflornithine 192-215 ornithine decarboxylase 1 Homo sapiens 25-28 7790255-6 1995 Ornithine decarboxylase (ODC) activity was rapidly inhibited (1-2 h) following 10 microM BE-4-4-4-4 exposure in all SCC cell lines (approximately 90%), whereas identical exposure to 10 microM difluoromethylornithine (DFMO) induced animal ODC inhibition (approximately 10%). Eflornithine 217-221 ornithine decarboxylase 1 Homo sapiens 0-23 7790255-6 1995 Ornithine decarboxylase (ODC) activity was rapidly inhibited (1-2 h) following 10 microM BE-4-4-4-4 exposure in all SCC cell lines (approximately 90%), whereas identical exposure to 10 microM difluoromethylornithine (DFMO) induced animal ODC inhibition (approximately 10%). Eflornithine 217-221 ornithine decarboxylase 1 Homo sapiens 25-28 21153204-4 1995 DDT(1)-MF-2 cell growth was inhibited by TA and difluoromethyl ornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 48-72 ornithine decarboxylase 1 Homo sapiens 110-113 21153204-4 1995 DDT(1)-MF-2 cell growth was inhibited by TA and difluoromethyl ornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 74-78 ornithine decarboxylase 1 Homo sapiens 110-113 21153204-6 1995 Ten muM: DFMO inhibited ODC activity to a maximum of 50% of control. Eflornithine 9-13 ornithine decarboxylase 1 Homo sapiens 24-27 21153204-7 1995 The concentration of ODC mRNA was maximally decreased at 15 h after TA administration.Though TA and DFMO inhibited cell growth and ODC activity in DDT(1)-MF2 cells, growth inhibition by DFMO, but not by TA, was overcome by the addition of putrescine, the product of ODC reaction. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 21-24 21153204-7 1995 The concentration of ODC mRNA was maximally decreased at 15 h after TA administration.Though TA and DFMO inhibited cell growth and ODC activity in DDT(1)-MF2 cells, growth inhibition by DFMO, but not by TA, was overcome by the addition of putrescine, the product of ODC reaction. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 131-134 21153204-7 1995 The concentration of ODC mRNA was maximally decreased at 15 h after TA administration.Though TA and DFMO inhibited cell growth and ODC activity in DDT(1)-MF2 cells, growth inhibition by DFMO, but not by TA, was overcome by the addition of putrescine, the product of ODC reaction. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 131-134 21153204-7 1995 The concentration of ODC mRNA was maximally decreased at 15 h after TA administration.Though TA and DFMO inhibited cell growth and ODC activity in DDT(1)-MF2 cells, growth inhibition by DFMO, but not by TA, was overcome by the addition of putrescine, the product of ODC reaction. Eflornithine 186-190 ornithine decarboxylase 1 Homo sapiens 21-24 7634128-11 1995 In vitro, treatment with DL-alpha-difluoromethylornithine (DFMO) or methylglyoxal bis-(guanylhydrazone) (MGBG) led to an increase in AdoMetDC. Eflornithine 59-63 S-adenosylmethionine decarboxylase 1 Mus musculus 133-141 7896889-5 1995 ODC-overexpressing MCF-7 cells were resistant to the antiproliferative effects of low but not high concentrations of the enzyme inhibitor, alpha-difluoromethylornithine. Eflornithine 139-168 ornithine decarboxylase 1 Homo sapiens 0-3 7664813-7 1995 Postnatal treatment with alpha-difluoromethylornithine reduced the total polyamine content of area CA1 in 10- to 15-day-old rats almost to the adult level (although spermine content was unaffected). Eflornithine 25-54 carbonic anhydrase 1 Rattus norvegicus 99-102 7650539-4 1995 alpha-Difluoromethylornithine is a specific inhibitor of ornithine decarboxylase, Ifenprodil is an inhibitor of the polyamine binding site on the n-methyl-d-aspartate receptor, and MK-801 is an antagonist to n-methyl-d-aspartate binding to the n-methyl-d-aspartate receptor. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 57-80 7650539-5 1995 Addition of putrescine, the product of ornithine decarboxylase activity, reversed the effect of alpha-difluoromethylornithine and restored the pericapillary swelling. Eflornithine 96-125 ornithine decarboxylase 1 Rattus norvegicus 39-62 7599326-4 1995 The participation of ODC in early events evoked by OA in leukemic cells was confirmed by the decrease of the stimulatory effect of OA on cell proliferation in the presence of alpha-difluoromethylornithine (DFMO)--an irreversible inhibitor of ODC. Eflornithine 175-204 ornithine decarboxylase 1 Homo sapiens 21-24 7599326-4 1995 The participation of ODC in early events evoked by OA in leukemic cells was confirmed by the decrease of the stimulatory effect of OA on cell proliferation in the presence of alpha-difluoromethylornithine (DFMO)--an irreversible inhibitor of ODC. Eflornithine 175-204 ornithine decarboxylase 1 Homo sapiens 242-245 7599326-4 1995 The participation of ODC in early events evoked by OA in leukemic cells was confirmed by the decrease of the stimulatory effect of OA on cell proliferation in the presence of alpha-difluoromethylornithine (DFMO)--an irreversible inhibitor of ODC. Eflornithine 206-210 ornithine decarboxylase 1 Homo sapiens 21-24 7599326-4 1995 The participation of ODC in early events evoked by OA in leukemic cells was confirmed by the decrease of the stimulatory effect of OA on cell proliferation in the presence of alpha-difluoromethylornithine (DFMO)--an irreversible inhibitor of ODC. Eflornithine 206-210 ornithine decarboxylase 1 Homo sapiens 242-245 7598514-3 1995 Mechanisms of antitrypanosomal action of these drugs are mostly unknown, except for eflornithine, which is a suicide inhibitor of ornithine decarboxylase. Eflornithine 84-96 ornithine decarboxylase 1 Homo sapiens 130-153 7780833-10 1995 DFMO, which completely inhibited the activity of renal ODC, did not influence significantly the testosterone-induced arginase and the testosterone-decreased OAT. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 55-58 7584666-5 1995 Combination of IFN-alpha with either DFMO or dietary beta-carotene supplementation improved the effect of an otherwise suboptimal IFN-alpha therapy regimen. Eflornithine 37-41 interferon alpha Mus musculus 130-139 7742812-3 1995 Studies on the cell culture system of cultured rat hepatoma (HTC) cells treated with alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor, clearly showed the presence of Is and Ip when I was administered, and IIs and IIp when II was administered, with no detection of putrescine or spermidine. Eflornithine 85-114 ornithine decarboxylase 1 Rattus norvegicus 119-142 7852843-4 1995 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, inhibited these increases and blunted the enhancement of superoxide generation and secondary granule release associated with priming by TNF. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 57-60 7852843-4 1995 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, inhibited these increases and blunted the enhancement of superoxide generation and secondary granule release associated with priming by TNF. Eflornithine 0-23 tumor necrosis factor Homo sapiens 198-201 7852843-4 1995 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, inhibited these increases and blunted the enhancement of superoxide generation and secondary granule release associated with priming by TNF. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 57-60 7852843-4 1995 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, inhibited these increases and blunted the enhancement of superoxide generation and secondary granule release associated with priming by TNF. Eflornithine 25-29 tumor necrosis factor Homo sapiens 198-201 7773346-7 1995 When the increase of ornithine decarboxylase activity was suppressed by alpha-difluoromethylornithine, epidermal growth factor failed to facilitate the repair of intestinal mucosa. Eflornithine 72-101 ornithine decarboxylase 1 Rattus norvegicus 21-44 8747382-4 1995 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, exhibits antitumor and antimetastasis activities, and displays effectiveness in many carcinogen-induced animal chemoprevention models. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 70-73 8538189-4 1995 In animal models of colon carcinogenesis, inhibition of ODC by difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor, reduces the number and size of colon adenomas and carcinomas. Eflornithine 63-86 ornithine decarboxylase 1 Homo sapiens 56-59 8538189-4 1995 In animal models of colon carcinogenesis, inhibition of ODC by difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor, reduces the number and size of colon adenomas and carcinomas. Eflornithine 88-92 ornithine decarboxylase 1 Homo sapiens 56-59 8538190-2 1995 Many highly specific and potent inhibitors of ODC are based on the lead compound alpha-difluoromethylornithine (DFMO), which is an enzyme-activated irreversible inhibitor. Eflornithine 81-110 ornithine decarboxylase 1 Homo sapiens 46-49 8538190-2 1995 Many highly specific and potent inhibitors of ODC are based on the lead compound alpha-difluoromethylornithine (DFMO), which is an enzyme-activated irreversible inhibitor. Eflornithine 112-116 ornithine decarboxylase 1 Homo sapiens 46-49 8538190-3 1995 DFMO is accepted as a substrate by ODC and is decarboxylated, leading to the formation of a highly reactive species that forms a covalent adduct with either cysteine-360 (90%) or lysine-69 (10%). Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 35-38 8747382-4 1995 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, exhibits antitumor and antimetastasis activities, and displays effectiveness in many carcinogen-induced animal chemoprevention models. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 70-73 7899459-9 1995 In contrast, the azaserine-induced significant increase in hepatic putrescine was lower and transient, was accompanied by an increase in ODC and SAM-DC, and was completely inhibited by simultaneous DFMO treatment but not by MDL 72527. Eflornithine 198-202 ornithine decarboxylase 1 Rattus norvegicus 137-140 7796931-5 1995 Treatment of diabetic rats with the selective ODC inhibitor di-fluoro-methyl-ornithine (DFMO) was maintained for two periods (days 7-14 and days 50-71). Eflornithine 60-86 ornithine decarboxylase 1 Rattus norvegicus 46-49 7796931-5 1995 Treatment of diabetic rats with the selective ODC inhibitor di-fluoro-methyl-ornithine (DFMO) was maintained for two periods (days 7-14 and days 50-71). Eflornithine 88-92 ornithine decarboxylase 1 Rattus norvegicus 46-49 7899459-6 1995 Furthermore, animals were simultaneously treated with the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) or the polyamine oxidase inhibitor MDL 72527 and killed 6 and 12 h after azaserine injection. Eflornithine 98-127 ornithine decarboxylase 1 Rattus norvegicus 83-86 7945802-2 1994 We investigated the effect of alpha-difluoromethylornithine (DFMO) on matrilysin expression in this cell line because others have shown that DFMO can inhibit invasion and carcinogenesis in epithelial tissues, including the colon, in experimental models. Eflornithine 30-59 matrix metallopeptidase 7 Homo sapiens 70-80 7945802-2 1994 We investigated the effect of alpha-difluoromethylornithine (DFMO) on matrilysin expression in this cell line because others have shown that DFMO can inhibit invasion and carcinogenesis in epithelial tissues, including the colon, in experimental models. Eflornithine 61-65 matrix metallopeptidase 7 Homo sapiens 70-80 7945802-3 1994 DFMO reduced extracellular levels of matrilysin protein after 4 d of treatment. Eflornithine 0-4 matrix metallopeptidase 7 Homo sapiens 37-47 7945802-4 1994 Intracellular levels of matrilysin protein were minimally affected by DFMO treatment. Eflornithine 70-74 matrix metallopeptidase 7 Homo sapiens 24-34 7945802-5 1994 The decrease in extracellular matrilysin protein levels caused by DFMO was not a consequence of lowered steady-state levels of matrilysin mRNA. Eflornithine 66-70 matrix metallopeptidase 7 Homo sapiens 30-40 7945802-7 1994 These data show that polyamine depletion by DFMO can suppress the expression of matrilysin, a gene product thought to be involved in tumor invasion. Eflornithine 44-48 matrix metallopeptidase 7 Homo sapiens 80-90 7945802-8 1994 The decrease in extracellular matrilysin protein caused by DFMO treatment appears to be due to a posttranscriptional mechanism, although transcription of this gene also seems to be affected by polyamines in SW1116 cells. Eflornithine 59-63 matrix metallopeptidase 7 Homo sapiens 30-40 7918572-0 1994 Post-transcriptional inhibition of ornithine decarboxylase induction by zinc in a difluoromethylornithine resistant cell line. Eflornithine 82-105 ornithine decarboxylase 1 Homo sapiens 35-58 7943199-10 1994 DFMO is a specific and irreversible inhibitor of ornithine decarboxylase, a rate-limiting enzyme of polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 49-72 7943199-11 1994 In IEC-6 cells, tissue TGA activity decreased significantly with DFMO treatment concurrent with a rise in inactive TGA protein as measured by Western blot analysis. Eflornithine 65-69 T-box transcription factor 1 Homo sapiens 23-26 7943199-12 1994 On the other hand, in Caco-2 cells, tissue TGA activity and protein increased significantly with DFMO treatment. Eflornithine 97-101 T-box transcription factor 1 Homo sapiens 43-46 7943199-13 1994 In both cell lines, addition of polyamines to the DFMO treatment restored cell migration, tissue TGA activity, and protein to control levels. Eflornithine 50-54 T-box transcription factor 1 Homo sapiens 97-100 7951165-0 1994 Eflornithine treatment in SHR: potential role of vascular polyamines and ornithine decarboxylase in hypertension. Eflornithine 0-12 ornithine decarboxylase 1 Rattus norvegicus 73-96 7951165-2 1994 The effects of chronic administration of eflornithine (alpha-difluoromethylornithine; DFMO), a highly specific inhibitor of ornithine decarboxylase (the rate limiting enzyme in polyamine biosynthesis), on vascular polyamine contents, vascular structure and function, and blood pressure was studied. Eflornithine 41-53 ornithine decarboxylase 1 Rattus norvegicus 124-147 7951165-2 1994 The effects of chronic administration of eflornithine (alpha-difluoromethylornithine; DFMO), a highly specific inhibitor of ornithine decarboxylase (the rate limiting enzyme in polyamine biosynthesis), on vascular polyamine contents, vascular structure and function, and blood pressure was studied. Eflornithine 55-84 ornithine decarboxylase 1 Rattus norvegicus 124-147 7951165-2 1994 The effects of chronic administration of eflornithine (alpha-difluoromethylornithine; DFMO), a highly specific inhibitor of ornithine decarboxylase (the rate limiting enzyme in polyamine biosynthesis), on vascular polyamine contents, vascular structure and function, and blood pressure was studied. Eflornithine 86-90 ornithine decarboxylase 1 Rattus norvegicus 124-147 7565449-5 1995 Preincubation of the cells with 10(-8)M 1,25-(OH)2D3 for 48 h attenuated the serum-induced rise in ODC activity by 12 h. alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, inhibited the serum-stimulated [3H]thymidine incorporation. Eflornithine 121-150 ornithine decarboxylase Bos taurus 99-102 7565449-5 1995 Preincubation of the cells with 10(-8)M 1,25-(OH)2D3 for 48 h attenuated the serum-induced rise in ODC activity by 12 h. alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, inhibited the serum-stimulated [3H]thymidine incorporation. Eflornithine 121-150 ornithine decarboxylase Bos taurus 183-186 7565449-5 1995 Preincubation of the cells with 10(-8)M 1,25-(OH)2D3 for 48 h attenuated the serum-induced rise in ODC activity by 12 h. alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, inhibited the serum-stimulated [3H]thymidine incorporation. Eflornithine 152-156 ornithine decarboxylase Bos taurus 183-186 7810648-7 1994 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, prevents the transient increases in both ODC activity and the three polyamines in the smooth muscle. Eflornithine 0-32 ornithine decarboxylase 1 Rattus norvegicus 70-73 7810648-7 1994 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, prevents the transient increases in both ODC activity and the three polyamines in the smooth muscle. Eflornithine 0-32 ornithine decarboxylase 1 Rattus norvegicus 116-119 7810648-7 1994 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, prevents the transient increases in both ODC activity and the three polyamines in the smooth muscle. Eflornithine 34-38 ornithine decarboxylase 1 Rattus norvegicus 70-73 7810648-7 1994 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, prevents the transient increases in both ODC activity and the three polyamines in the smooth muscle. Eflornithine 34-38 ornithine decarboxylase 1 Rattus norvegicus 116-119 7810663-5 1994 After a 6-day treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine, the duration of postprandial disruption of MMCs, but not the stimulation of colonic motility, induced by a 3-g meal was significantly reduced. Eflornithine 67-96 ornithine decarboxylase 1 Rattus norvegicus 33-56 7929646-6 1994 Pretreatment of animals with DFMO resulted in attenuation of the ODC activity following 5 min of ischemia and 4 h of reperfusion. Eflornithine 29-33 ornithine decarboxylase 1 Homo sapiens 65-68 7898610-3 1994 ODC inhibitor, alpha-difluoromethylornithine (DFMO), and NMDA antagonist, 2-amino-5-phosphonovaleric acid (D-AP5), both blocked increases in ODC activity and PA levels. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 141-144 7898610-3 1994 ODC inhibitor, alpha-difluoromethylornithine (DFMO), and NMDA antagonist, 2-amino-5-phosphonovaleric acid (D-AP5), both blocked increases in ODC activity and PA levels. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 0-3 7898610-3 1994 ODC inhibitor, alpha-difluoromethylornithine (DFMO), and NMDA antagonist, 2-amino-5-phosphonovaleric acid (D-AP5), both blocked increases in ODC activity and PA levels. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 141-144 7899459-9 1995 In contrast, the azaserine-induced significant increase in hepatic putrescine was lower and transient, was accompanied by an increase in ODC and SAM-DC, and was completely inhibited by simultaneous DFMO treatment but not by MDL 72527. Eflornithine 198-202 adenosylmethionine decarboxylase 1 Rattus norvegicus 145-151 8074711-2 1994 Treatments of the transfected cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), and dexamethasone, an inducer of antizyme, both caused a decrease in ODC activity and polyamine contents and inhibition of cell growth. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 95-118 8074711-2 1994 Treatments of the transfected cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), and dexamethasone, an inducer of antizyme, both caused a decrease in ODC activity and polyamine contents and inhibition of cell growth. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 120-123 8074711-2 1994 Treatments of the transfected cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), and dexamethasone, an inducer of antizyme, both caused a decrease in ODC activity and polyamine contents and inhibition of cell growth. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 195-198 8074711-2 1994 Treatments of the transfected cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), and dexamethasone, an inducer of antizyme, both caused a decrease in ODC activity and polyamine contents and inhibition of cell growth. Eflornithine 72-76 ornithine decarboxylase, structural 1 Mus musculus 95-118 8074711-2 1994 Treatments of the transfected cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), and dexamethasone, an inducer of antizyme, both caused a decrease in ODC activity and polyamine contents and inhibition of cell growth. Eflornithine 72-76 ornithine decarboxylase, structural 1 Mus musculus 120-123 8048943-3 1994 alpha-Difluoromethylornithine, a specific inhibitor of ODC, prevented the transcription of c-myc in cells grown at 37 degrees C. Putrescine, at physiological concentrations, triggered the transcription of c-myc and c-fos in cells grown at 42 degrees C, when Ki-ras was not expressed. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 55-58 8048943-3 1994 alpha-Difluoromethylornithine, a specific inhibitor of ODC, prevented the transcription of c-myc in cells grown at 37 degrees C. Putrescine, at physiological concentrations, triggered the transcription of c-myc and c-fos in cells grown at 42 degrees C, when Ki-ras was not expressed. Eflornithine 0-29 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 91-96 8048943-3 1994 alpha-Difluoromethylornithine, a specific inhibitor of ODC, prevented the transcription of c-myc in cells grown at 37 degrees C. Putrescine, at physiological concentrations, triggered the transcription of c-myc and c-fos in cells grown at 42 degrees C, when Ki-ras was not expressed. Eflornithine 0-29 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 205-210 8048943-3 1994 alpha-Difluoromethylornithine, a specific inhibitor of ODC, prevented the transcription of c-myc in cells grown at 37 degrees C. Putrescine, at physiological concentrations, triggered the transcription of c-myc and c-fos in cells grown at 42 degrees C, when Ki-ras was not expressed. Eflornithine 0-29 Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 215-220 8048943-3 1994 alpha-Difluoromethylornithine, a specific inhibitor of ODC, prevented the transcription of c-myc in cells grown at 37 degrees C. Putrescine, at physiological concentrations, triggered the transcription of c-myc and c-fos in cells grown at 42 degrees C, when Ki-ras was not expressed. Eflornithine 0-29 KRAS proto-oncogene, GTPase Rattus norvegicus 258-264 7972938-4 1994 The functional role of polyamines in regulation of ANP was assessed by exposing the cardiocytes to difluoromethylornithine (DFMO) which is an inhibitor of ornithine decarboxylase, an initial rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 99-122 natriuretic peptide A Rattus norvegicus 51-54 7972938-4 1994 The functional role of polyamines in regulation of ANP was assessed by exposing the cardiocytes to difluoromethylornithine (DFMO) which is an inhibitor of ornithine decarboxylase, an initial rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 99-122 ornithine decarboxylase 1 Rattus norvegicus 155-178 7972938-4 1994 The functional role of polyamines in regulation of ANP was assessed by exposing the cardiocytes to difluoromethylornithine (DFMO) which is an inhibitor of ornithine decarboxylase, an initial rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 124-128 natriuretic peptide A Rattus norvegicus 51-54 7972938-4 1994 The functional role of polyamines in regulation of ANP was assessed by exposing the cardiocytes to difluoromethylornithine (DFMO) which is an inhibitor of ornithine decarboxylase, an initial rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 124-128 ornithine decarboxylase 1 Rattus norvegicus 155-178 7972938-5 1994 The results showed that DFMO reduced the levels of putrescine (diamine) and spermidine (triamine) in cultured cardiocytes, and it decreased the levels of ANP in media and cellular extracts of cardiocytes as a function of its dose. Eflornithine 24-28 natriuretic peptide A Rattus norvegicus 154-157 8063013-2 1994 alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase significantly abolished stimulation of protein synthesis evoked by EGF, TGF-alpha or -beta 1 in L6 and fetal bovine myoblasts. Eflornithine 0-29 ornithine decarboxylase Bos taurus 60-83 8063013-2 1994 alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase significantly abolished stimulation of protein synthesis evoked by EGF, TGF-alpha or -beta 1 in L6 and fetal bovine myoblasts. Eflornithine 0-29 LOC521832 Bos taurus 151-154 8063013-2 1994 alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase significantly abolished stimulation of protein synthesis evoked by EGF, TGF-alpha or -beta 1 in L6 and fetal bovine myoblasts. Eflornithine 0-29 transforming growth factor alpha Bos taurus 156-165 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 91-123 ornithine decarboxylase 1 Homo sapiens 49-74 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 91-123 ornithine decarboxylase 1 Homo sapiens 76-79 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 91-123 ornithine decarboxylase 1 Homo sapiens 161-164 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 91-123 adenosylmethionine decarboxylase 1 Homo sapiens 314-351 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 91-123 adenosylmethionine decarboxylase 1 Homo sapiens 353-358 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 49-74 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 76-79 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 161-164 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 125-129 adenosylmethionine decarboxylase 1 Homo sapiens 314-351 7958401-3 1994 Treatment of the cells with 1 mM of the specific L-ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) resulted in a 97% decrease in ODC activity, lowered contents of putrescine (96%) and spermidine (85%) and cell proliferation rates (90%) along with a compensatory 15-fold increase in S-adenosyl-L-methionine decarboxylase (SAMDC) activity. Eflornithine 125-129 adenosylmethionine decarboxylase 1 Homo sapiens 353-358 7958401-4 1994 DFMO treatment also led to a decrease in cellular content of CT (33%) and CGRP (26%), while the drug enhanced secretion of CT (31%) but depressed that of CGRP (26%), and elevated the ratio of CT to CGRP secreted into the medium by 74%. Eflornithine 0-4 calcitonin related polypeptide alpha Homo sapiens 61-63 7958401-4 1994 DFMO treatment also led to a decrease in cellular content of CT (33%) and CGRP (26%), while the drug enhanced secretion of CT (31%) but depressed that of CGRP (26%), and elevated the ratio of CT to CGRP secreted into the medium by 74%. Eflornithine 0-4 calcitonin related polypeptide alpha Homo sapiens 74-78 7958401-4 1994 DFMO treatment also led to a decrease in cellular content of CT (33%) and CGRP (26%), while the drug enhanced secretion of CT (31%) but depressed that of CGRP (26%), and elevated the ratio of CT to CGRP secreted into the medium by 74%. Eflornithine 0-4 calcitonin related polypeptide alpha Homo sapiens 154-158 7958401-4 1994 DFMO treatment also led to a decrease in cellular content of CT (33%) and CGRP (26%), while the drug enhanced secretion of CT (31%) but depressed that of CGRP (26%), and elevated the ratio of CT to CGRP secreted into the medium by 74%. Eflornithine 0-4 calcitonin related polypeptide alpha Homo sapiens 154-158 8002964-5 1994 The irreversible inhibitor of ODC, alpha-difluoromethylornithine (DFMO), inhibited approx. Eflornithine 35-64 ornithine decarboxylase 1 Rattus norvegicus 30-33 7980394-5 1994 1,12-Dimethylspermine had no effect on the AbeAdo-induced cytostasis of chronically treated cells, although it was active in permitting growth of cells treated with the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine. Eflornithine 204-233 ornithine decarboxylase, structural 1 Mus musculus 169-192 8002964-5 1994 The irreversible inhibitor of ODC, alpha-difluoromethylornithine (DFMO), inhibited approx. Eflornithine 66-70 ornithine decarboxylase 1 Rattus norvegicus 30-33 8002964-6 1994 60% of the ODC activity of all brain regions, whereas kidney ODC was inhibited totally by DFMO. Eflornithine 90-94 ornithine decarboxylase 1 Rattus norvegicus 61-64 8203532-5 1994 Administration of alpha-difluoromethylornithine (DFMO, 500 mg/kg ip) totally prevented the marked increases in ODC activity and polyamine levels. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 111-114 8203532-5 1994 Administration of alpha-difluoromethylornithine (DFMO, 500 mg/kg ip) totally prevented the marked increases in ODC activity and polyamine levels. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 111-114 8203532-6 1994 DFMO also completely inhibited the expression of c-fos and significantly decreased c-myc mRNA and oncoprotein in the gastric mucosa of stressed rats. Eflornithine 0-4 Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 49-54 8203532-6 1994 DFMO also completely inhibited the expression of c-fos and significantly decreased c-myc mRNA and oncoprotein in the gastric mucosa of stressed rats. Eflornithine 0-4 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 83-88 8162572-7 1994 The high level of expression of ODC may be a critical factor in the transformed phenotype of the P2 cells since the ability of these cells to grow in soft agar was blocked by levels of the ODC inhibitor, alpha-difluoromethylornithine, that reduced the ODC activity to values comparable to those of the parent 3T3 cells. Eflornithine 204-233 ornithine decarboxylase, structural 1 Mus musculus 32-35 8162572-7 1994 The high level of expression of ODC may be a critical factor in the transformed phenotype of the P2 cells since the ability of these cells to grow in soft agar was blocked by levels of the ODC inhibitor, alpha-difluoromethylornithine, that reduced the ODC activity to values comparable to those of the parent 3T3 cells. Eflornithine 204-233 ornithine decarboxylase, structural 1 Mus musculus 189-192 8162572-7 1994 The high level of expression of ODC may be a critical factor in the transformed phenotype of the P2 cells since the ability of these cells to grow in soft agar was blocked by levels of the ODC inhibitor, alpha-difluoromethylornithine, that reduced the ODC activity to values comparable to those of the parent 3T3 cells. Eflornithine 204-233 ornithine decarboxylase, structural 1 Mus musculus 189-192 8172613-1 1994 Dilution of quiescent L1210-DFMOr (difluoromethylornithine-resistant) cells in fresh medium containing serum led to the induction of ornithine decarboxylase (ODC) and to the expression of its mRNA, as determined by a sensitive solution-hybridization-RNase-protection assay. Eflornithine 35-58 ornithine decarboxylase 1 Homo sapiens 133-156 8172613-0 1994 Zinc is required for the expression of ornithine decarboxylase in a difluoromethylornithine-resistant cell line. Eflornithine 68-91 ornithine decarboxylase 1 Homo sapiens 39-62 8172613-1 1994 Dilution of quiescent L1210-DFMOr (difluoromethylornithine-resistant) cells in fresh medium containing serum led to the induction of ornithine decarboxylase (ODC) and to the expression of its mRNA, as determined by a sensitive solution-hybridization-RNase-protection assay. Eflornithine 35-58 ornithine decarboxylase 1 Homo sapiens 158-161 8143969-7 1994 RESULTS: alpha-Difluoromethylornithine inhibited hepatocyte growth factor-induced DNA synthesis by only 21%. Eflornithine 9-38 hepatocyte growth factor Homo sapiens 49-73 7935984-1 1994 alpha-Difluoromethyl ornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), depletes cellular polyamine levels which is significantly correlated to neoplastic transformation. Eflornithine 0-30 ornithine decarboxylase, structural 1 Mus musculus 55-78 8050630-1 1994 The synthetic compound 2-(difluoromethyl)-dl-ornithine irreversibly inhibits ornithine decarboxylase and reduces the intracellular levels of the polyamine cell cycle factors putrescine and spermidine. Eflornithine 23-54 ornithine decarboxylase 1 Rattus norvegicus 77-100 8141779-2 1994 In addition, inhibition of ODC by alpha-difluoromethylornithine (DFMO) results in growth arrest of MCs. Eflornithine 34-63 ornithine decarboxylase 1 Rattus norvegicus 27-30 8141779-2 1994 In addition, inhibition of ODC by alpha-difluoromethylornithine (DFMO) results in growth arrest of MCs. Eflornithine 65-69 ornithine decarboxylase 1 Rattus norvegicus 27-30 8141779-7 1994 Expression of these genes reached a peak at 60 min and disappeared at 3 h. Treatment of MCs with a growth-suppressing dose of DFMO (5 mM) inhibited mRNAs of all three IEGs by 52-87% at 1 h. Total expression of Egr-1 over 20-120 min was diminished by 41%, and the time point of maximal expression was delayed by 40 min. Eflornithine 126-130 early growth response 1 Rattus norvegicus 210-215 8138442-2 1994 The cytostatic agent alpha-difluoromethylornithine (DFMO) was investigated for its capacity to slow proliferation kinetics in human squamous cell carcinomas (SCC) of the head and neck (H&N), with the ultimate objective of improving locoregional control in rapidly dividing tumors treated with radiation therapy. Eflornithine 21-50 serpin family B member 3 Homo sapiens 158-161 8138442-2 1994 The cytostatic agent alpha-difluoromethylornithine (DFMO) was investigated for its capacity to slow proliferation kinetics in human squamous cell carcinomas (SCC) of the head and neck (H&N), with the ultimate objective of improving locoregional control in rapidly dividing tumors treated with radiation therapy. Eflornithine 52-56 serpin family B member 3 Homo sapiens 158-161 8027512-7 1994 The effects of DFMO on ricin toxicity were markedly influenced by altering various pharmacokinetic parameters. Eflornithine 15-19 ricin Ricinus communis 23-28 8027512-8 1994 The antioxidants butylated hydroxyanisole and vitamin E succinate also extended survival time in response to a lethal dose of ricin, but to a lesser extent than did dexamethasone and DFMO. Eflornithine 183-187 ricin Ricinus communis 126-131 8012036-6 1994 Treatment of MCF-7 cells with 1 mM difluoromethylornithine (DFMO), an inhibitor of ODC, suppressed putrescine, spermidine, and spermine levels by 74, 78, and 10%, respectively, within 48 h. Cells treated with DFMO for 48 h were supplemented with either putrescine or its homologs or spermidine or its homologs. Eflornithine 35-58 ornithine decarboxylase 1 Homo sapiens 83-86 8012036-6 1994 Treatment of MCF-7 cells with 1 mM difluoromethylornithine (DFMO), an inhibitor of ODC, suppressed putrescine, spermidine, and spermine levels by 74, 78, and 10%, respectively, within 48 h. Cells treated with DFMO for 48 h were supplemented with either putrescine or its homologs or spermidine or its homologs. Eflornithine 60-64 ornithine decarboxylase 1 Homo sapiens 83-86 8065308-6 1994 ODC induced cell death in a dose-dependent fashion, and alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, effectively blocked ODC-induced cell death. Eflornithine 56-85 ornithine decarboxylase, structural 1 Mus musculus 123-126 8065308-6 1994 ODC induced cell death in a dose-dependent fashion, and alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, effectively blocked ODC-induced cell death. Eflornithine 56-85 ornithine decarboxylase, structural 1 Mus musculus 123-126 8065308-6 1994 ODC induced cell death in a dose-dependent fashion, and alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, effectively blocked ODC-induced cell death. Eflornithine 87-91 ornithine decarboxylase, structural 1 Mus musculus 123-126 8065308-6 1994 ODC induced cell death in a dose-dependent fashion, and alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzyme activity, effectively blocked ODC-induced cell death. Eflornithine 87-91 ornithine decarboxylase, structural 1 Mus musculus 123-126 8125959-9 1994 alpha-Difluoromethylornithine, a selective inhibitor of ornithine decarboxylase, inhibited both cadaverine and putrescine export. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 56-79 8017845-3 1994 Highly efficient in vitro selective inhibitors of ornithine decarboxylase such as DFMO do not produce important antitumoral effects in vivo, due to the ability of tumor cells to uptake extracellular polyamines. Eflornithine 82-86 ornithine decarboxylase 1 Homo sapiens 50-73 8074989-2 1994 Ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, and thus in tissue growth and development, has been localized in mouse dental tissues, in vivo as well as in vitro by light and electron microscopic autoradiography with radiolabeled alpha-difluoromethylornithine ([3H]DFMO). Eflornithine 254-283 ornithine decarboxylase, structural 1 Mus musculus 0-23 8074989-2 1994 Ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, and thus in tissue growth and development, has been localized in mouse dental tissues, in vivo as well as in vitro by light and electron microscopic autoradiography with radiolabeled alpha-difluoromethylornithine ([3H]DFMO). Eflornithine 254-283 ornithine decarboxylase, structural 1 Mus musculus 25-28 8074989-2 1994 Ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, and thus in tissue growth and development, has been localized in mouse dental tissues, in vivo as well as in vitro by light and electron microscopic autoradiography with radiolabeled alpha-difluoromethylornithine ([3H]DFMO). Eflornithine 289-293 ornithine decarboxylase, structural 1 Mus musculus 0-23 8074989-2 1994 Ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, and thus in tissue growth and development, has been localized in mouse dental tissues, in vivo as well as in vitro by light and electron microscopic autoradiography with radiolabeled alpha-difluoromethylornithine ([3H]DFMO). Eflornithine 289-293 ornithine decarboxylase, structural 1 Mus musculus 25-28 8138442-5 1994 DFMO effects on in vitro SCC radiosensitivity using clonogenic survival were also studied. Eflornithine 0-4 serpin family B member 3 Homo sapiens 25-28 8138442-6 1994 RESULTS: A noncytotoxic exposure to DFMO (5mM x 72 hours) induced pronounced growth inhibition in all three SCC cell lines (70-90% at 7 days), and induced a 2-3 fold delay in volume doubling time for SCC tumor xenografts when administered orally in the drinking water (1.5%) to athymic mice. Eflornithine 36-40 serpin family B member 3 Homo sapiens 108-111 8138442-7 1994 Kinetic analysis via flow cytometry confirmed that DFMO produced a lengthening of SCC cell cycle times, but did not alter in vitro radiosensitivity. Eflornithine 51-55 serpin family B member 3 Homo sapiens 82-85 8138442-9 1994 CONCLUSION: These data indicate that antiproliferative agents, such as DFMO, are capable of altering human SCC growth kinetics without altering intrinsic radiosensitivity. Eflornithine 71-75 serpin family B member 3 Homo sapiens 107-110 8313364-11 1994 Treatment of synchronized cells with the polyamine biosynthetic inhibitor, difluoromethylornithine attenuated cyclin B1 mRNA degradation in the presence of estradiol. Eflornithine 75-98 cyclin B1 Homo sapiens 110-119 8012036-8 1994 Among a series of triamines, H2N(CH2)nNH(CH2)3NH2 (where n = 2 to 8; abbreviated as APn n = 4 for spermidine, or AP4), spermidine was most effective in reversing the effects of DFMO, whereas compounds with shorter or longer methylene bridging regions were less effective. Eflornithine 177-181 alanyl aminopeptidase, membrane Homo sapiens 84-87 8106560-1 1994 DH23A cells, an alpha-difluoromethylornithine (DFMO)-resistant variant of rat hepatoma tissue culture cells (HTC), contain high levels of very stable ornithine decarboxylase (ODC). Eflornithine 47-51 ornithine decarboxylase 1 Rattus norvegicus 150-173 8106560-7 1994 It is possible to mimic the effects of high levels of stable ODC by treatment of cells with exogenous putrescine in the presence of DFMO. Eflornithine 132-136 ornithine decarboxylase 1 Rattus norvegicus 61-64 7578852-3 1994 Inhibition of ODC with 0.5-1.5% (w/v) difluoromethylornithine (DFMO) in drinking water prolonged life-span and ameliorated renal disease. Eflornithine 38-61 ornithine decarboxylase, structural 1 Mus musculus 14-17 7578852-3 1994 Inhibition of ODC with 0.5-1.5% (w/v) difluoromethylornithine (DFMO) in drinking water prolonged life-span and ameliorated renal disease. Eflornithine 63-67 ornithine decarboxylase, structural 1 Mus musculus 14-17 7578852-9 1994 Putrescine levels were 2- to 4-fold higher in kidney of lpr strains than that of BALB/c and DFMO-treated MRL-lpr/lpr mice. Eflornithine 92-96 Fas (TNF receptor superfamily member 6) Mus musculus 109-112 7578852-9 1994 Putrescine levels were 2- to 4-fold higher in kidney of lpr strains than that of BALB/c and DFMO-treated MRL-lpr/lpr mice. Eflornithine 92-96 Fas (TNF receptor superfamily member 6) Mus musculus 109-112 7578852-10 1994 DFMO treatment significantly reduced ODC activity and polyamine levels. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 37-40 8174830-6 1994 Treatment with alpha-difluoromethyl-ornithine, a selective inactivator of ornithine decarboxylase prevented the accumulation of active enzyme, but did not prevent morphological healing. Eflornithine 15-45 ornithine decarboxylase 1 Rattus norvegicus 74-97 8150743-9 1994 The period of increased polyamine synthesis coincides with the critical period for ototoxicity induced by alpha-difluoromethylornithine, a specific ODC inhibitor, and the period of rapid cochlear development. Eflornithine 106-135 ornithine decarboxylase 1 Rattus norvegicus 148-151 7616752-14 1994 Particularly, the ODC inhibitor DFMO was active in the colon, mammary glands, and bladder models, while the dithiolthione, oltipraz, was efficacious in all the models listed above (i.e., lung, colon, mammary glands, skin, and bladder). Eflornithine 32-36 ornithine decarboxylase, structural 1 Mus musculus 18-21 8290291-8 1994 ODC activity is elevated in the developing rat cochlea, aminoglycosides inhibit cochlear ODC in developing rats, and alpha-difluoromethylornithine (a specific ODC inhibitor) impairs development of cochlear function. Eflornithine 117-146 ornithine decarboxylase 1 Rattus norvegicus 0-3 7935984-1 1994 alpha-Difluoromethyl ornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), depletes cellular polyamine levels which is significantly correlated to neoplastic transformation. Eflornithine 0-30 ornithine decarboxylase, structural 1 Mus musculus 80-83 7935984-1 1994 alpha-Difluoromethyl ornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), depletes cellular polyamine levels which is significantly correlated to neoplastic transformation. Eflornithine 32-36 ornithine decarboxylase, structural 1 Mus musculus 55-78 7935984-1 1994 alpha-Difluoromethyl ornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC), depletes cellular polyamine levels which is significantly correlated to neoplastic transformation. Eflornithine 32-36 ornithine decarboxylase, structural 1 Mus musculus 80-83 8242864-12 1993 In control animals, ODC activity was decreased by DFMO treatment and selenium supplementation in the distal colon and liver, but not the proximal colon. Eflornithine 50-54 ornithine decarboxylase 1 Rattus norvegicus 20-23 7906881-6 1994 Treatment with alpha-difluoromethylornithine (DFMO) decreased both basal ODC activity and putrescine levels in the duodenal mucosa. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 73-76 7906881-6 1994 Treatment with alpha-difluoromethylornithine (DFMO) decreased both basal ODC activity and putrescine levels in the duodenal mucosa. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 73-76 8227016-11 1993 These results indicate that inactivation of ODC by DFMO can occur via interaction with either of two separate residues that form essential parts of the active site. Eflornithine 51-55 ornithine decarboxylase, structural 1 Mus musculus 44-47 8227016-13 1993 In contrast to the results with DFMO, the C360A mutant ODC was completely resistant to inactivation by (R,R)-delta-methyl-alpha-acetylenicputrescine and was much less sensitive than the wild type enzyme to alpha-monofluoromethyldehydromethylornithine, showing that the reactive species formed from these inhibitors either cannot be formed by this mutant or are unable to react with lysine 69. Eflornithine 32-36 ornithine decarboxylase, structural 1 Mus musculus 55-58 7509180-8 1993 Difluoromethylornithine (DFMO), an inhibitor of spermidine synthesis that blocks ornithine decarboxylase, caused a slight dose-dependent decrease in 65Zn uptake over the range 10(-6)-5 x 10(-3)M (p < 0.002) and tended to decrease 65Zn-uptake in lactogenic hormone-stimulated cells with 8 h of incubation, but not at other times. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 81-104 7509180-8 1993 Difluoromethylornithine (DFMO), an inhibitor of spermidine synthesis that blocks ornithine decarboxylase, caused a slight dose-dependent decrease in 65Zn uptake over the range 10(-6)-5 x 10(-3)M (p < 0.002) and tended to decrease 65Zn-uptake in lactogenic hormone-stimulated cells with 8 h of incubation, but not at other times. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 81-104 8221660-0 1993 Development of resistance to hydroxyurea during treatment of human myelogenous leukemia K562 cells with alpha-difluoromethylornithine as a result of coamplification of genes for ornithine decarboxylase and ribonucleotide reductase R2 subunit. Eflornithine 104-133 ornithine decarboxylase 1 Homo sapiens 178-201 8221660-1 1993 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), was used to select two very highly drug-resistant cell lines, designated K562-DFMOr and V79-DFMOr. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 84-107 8221660-1 1993 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), was used to select two very highly drug-resistant cell lines, designated K562-DFMOr and V79-DFMOr. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 109-112 8221660-1 1993 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), was used to select two very highly drug-resistant cell lines, designated K562-DFMOr and V79-DFMOr. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 84-107 8221660-1 1993 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), was used to select two very highly drug-resistant cell lines, designated K562-DFMOr and V79-DFMOr. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 109-112 8221660-2 1993 Both DFMO-resistant cell lines exhibited elevated ODC expression due to gene amplification. Eflornithine 5-9 ornithine decarboxylase 1 Homo sapiens 50-53 8221660-5 1993 This is the first description of a DFMO-induced mutant cell line exhibiting coamplification of the genes for ODC and R2, and overexpression of their products. Eflornithine 35-39 ornithine decarboxylase 1 Homo sapiens 109-112 8396915-4 1993 Exogenous spermidine can restore stress inducibility of N1-SSAT to DFMO-treated cells, and induce this enzyme activity in non-heat-shocked but polyamine-depleted cells. Eflornithine 67-71 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 56-63 8415771-3 1993 Groups of diabetic and control rats were given difluoromethylornithine in drinking water to suppress intestinal mucosal ornithine decarboxylase activity. Eflornithine 47-70 ornithine decarboxylase 1 Rattus norvegicus 120-143 8415771-5 1993 Treating diabetic and control rats with difluoromethylornithine suppressed jejunal mucosal growth by over 30%, ornithine decarboxylase activity by over 80%, and brush border membrane vesicle 22Na+ uptake by over 60%. Eflornithine 40-63 ornithine decarboxylase 1 Rattus norvegicus 111-134 8357843-6 1993 DFMO also significantly affected the other biochemical markers of hyperplasia, namely lowered CB 3717-induced cell proliferation rate and increased S-adenosylmethionine decarboxylase (AdoMetDC) activity. Eflornithine 0-4 S-adenosylmethionine decarboxylase 1 Mus musculus 148-182 8357843-6 1993 DFMO also significantly affected the other biochemical markers of hyperplasia, namely lowered CB 3717-induced cell proliferation rate and increased S-adenosylmethionine decarboxylase (AdoMetDC) activity. Eflornithine 0-4 S-adenosylmethionine decarboxylase 1 Mus musculus 184-192 8408313-2 1993 We determined the effects of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, on infarct size and ODC activity in a rat model of transient focal ischemia. Eflornithine 29-58 ornithine decarboxylase 1 Rattus norvegicus 91-94 8408313-2 1993 We determined the effects of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, on infarct size and ODC activity in a rat model of transient focal ischemia. Eflornithine 29-58 ornithine decarboxylase 1 Rattus norvegicus 116-119 8408313-2 1993 We determined the effects of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, on infarct size and ODC activity in a rat model of transient focal ischemia. Eflornithine 60-64 ornithine decarboxylase 1 Rattus norvegicus 91-94 8408313-2 1993 We determined the effects of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC, on infarct size and ODC activity in a rat model of transient focal ischemia. Eflornithine 60-64 ornithine decarboxylase 1 Rattus norvegicus 116-119 8408313-3 1993 DFMO blocked the ischemia-induced increase in ODC and significantly reduced infarct volumes by 57-45%, depending upon the treatment regimen. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 46-49 8396915-3 1993 Depletion of intracellular spermidine pools by alpha-difluoromethylornithine (DFMO) inhibits stress induction of N1-SSAT activity. Eflornithine 47-76 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 116-120 8396915-3 1993 Depletion of intracellular spermidine pools by alpha-difluoromethylornithine (DFMO) inhibits stress induction of N1-SSAT activity. Eflornithine 78-82 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 116-120 7688751-3 1993 Addition of the ODC inhibitor alpha-difluoromethyl ornithine (DFMO) to the cells (in polyamine-free medium) before shift to permissive temperature prevented the depolymerization of filamentous actin and morphological transformation. Eflornithine 30-60 ornithine decarboxylase 1 Homo sapiens 16-19 8368314-10 1993 Treatment with DFMO not only prevented increased expression of c-myc and c-jun protooncogenes at 4 days, but also significantly reduced steady-state levels of c-myc and c-jun mRNA between 6 and 12 days. Eflornithine 15-19 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 63-68 8368314-10 1993 Treatment with DFMO not only prevented increased expression of c-myc and c-jun protooncogenes at 4 days, but also significantly reduced steady-state levels of c-myc and c-jun mRNA between 6 and 12 days. Eflornithine 15-19 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 159-164 7688751-3 1993 Addition of the ODC inhibitor alpha-difluoromethyl ornithine (DFMO) to the cells (in polyamine-free medium) before shift to permissive temperature prevented the depolymerization of filamentous actin and morphological transformation. Eflornithine 62-66 ornithine decarboxylase 1 Homo sapiens 16-19 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 59-83 ornithine decarboxylase 1 Homo sapiens 54-57 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 59-83 ornithine decarboxylase 1 Homo sapiens 125-128 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 59-83 prolactin Homo sapiens 150-154 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 85-89 ornithine decarboxylase 1 Homo sapiens 54-57 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 85-89 ornithine decarboxylase 1 Homo sapiens 125-128 8355506-5 1993 Simultaneous addition of an irreversible inhibitor of ODC, difluoromethyl ornithine (DFMO), also abolished the inductions of ODC and DNA synthesis by hPRL. Eflornithine 85-89 prolactin Homo sapiens 150-154 8355506-6 1993 The inhibitory effect of DFMO on hPRL-induced DNA synthesis was reversed by the addition of putrescine to the culture medium. Eflornithine 25-29 prolactin Homo sapiens 33-37 8318203-6 1993 Similarly, DFMO administered continuously via the drinking water to athymic mice harboring human SCC xenografts induced a prolongation of in vivo tumor volume doubling. Eflornithine 11-15 serpin family B member 3 Homo sapiens 97-100 8318203-7 1993 CONCLUSIONS: These data indicate that biologic agents, such as DFMO, can alter SCC growth kinetics and may prove useful in designing new therapeutic strategies for rapidly proliferating tumors such as those that occur in the head and neck. Eflornithine 63-67 serpin family B member 3 Homo sapiens 79-82 8504104-3 1993 Two distinct mutants were obtained using oligonucleotide-directed mutagenesis: In one, cysteine-360, the major alpha-(difluoromethyl)ornithine (alpha-DFMO, a suicide inhibitor of ODC) binding site was converted to alanine. Eflornithine 144-154 ornithine decarboxylase 1 Homo sapiens 179-182 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 100-123 ornithine decarboxylase 1 Homo sapiens 60-83 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 100-123 ornithine decarboxylase 1 Homo sapiens 85-88 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 100-123 ornithine decarboxylase 1 Homo sapiens 165-168 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 100-123 adenosylmethionine decarboxylase 1 Homo sapiens 264-298 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 100-123 adenosylmethionine decarboxylase 1 Homo sapiens 300-305 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 60-83 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 85-88 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 165-168 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 125-129 adenosylmethionine decarboxylase 1 Homo sapiens 264-298 8352568-3 1993 It was found that treatment of ACHN cells with the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) resulted in profound decreases of ODC activity, polyamine content and cell proliferation rates along with a compensatory increase in S-adenosylmethionine decarboxylase (SAMDC) activity. Eflornithine 125-129 adenosylmethionine decarboxylase 1 Homo sapiens 300-305 8358715-0 1993 Chemopreventive effects of dietary D,L-alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor, on initiation and postinitiation stages of diethylnitrosamine-induced rat hepatocarcinogenesis. Eflornithine 35-68 ornithine decarboxylase 1 Rattus norvegicus 73-96 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 152-156 ornithine decarboxylase 1 Rattus norvegicus 29-52 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 152-156 ornithine decarboxylase 1 Rattus norvegicus 54-57 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 127-150 epidermal growth factor like 1 Rattus norvegicus 0-3 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 127-150 ornithine decarboxylase 1 Rattus norvegicus 29-52 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 152-156 ornithine decarboxylase 1 Rattus norvegicus 112-115 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 127-150 ornithine decarboxylase 1 Rattus norvegicus 54-57 8333497-8 1993 Thus the DFMO effect was specific to EGF. Eflornithine 9-13 epidermal growth factor like 1 Rattus norvegicus 37-40 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 127-150 ornithine decarboxylase 1 Rattus norvegicus 112-115 8333497-4 1993 EGF significantly stimulated ornithine decarboxylase (ODC) activity, an effect that was blocked by the specific ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 152-156 epidermal growth factor like 1 Rattus norvegicus 0-3 8478959-1 1993 BACKGROUND: alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 12-41 ornithine decarboxylase 1 Homo sapiens 81-104 8508705-7 1993 Consistent with a direct effect of spermine on the intestinal cell, the cytosolic activity of ornithine decarboxylase was depressed by 27-fold (P < 0.005 vs controls) in the jejunum, while inhibition of ornithine decarboxylase by alpha-difluoromethylornithine did markedly decrease but did not suppress the cell response to spermine. Eflornithine 233-262 ornithine decarboxylase 1 Rattus norvegicus 94-117 8478959-1 1993 BACKGROUND: alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 12-41 ornithine decarboxylase 1 Homo sapiens 106-109 8486633-2 1993 The cells accumulated ODC protein in the presence of alpha-difluoromethylornithine. Eflornithine 53-82 ornithine decarboxylase 1 Homo sapiens 22-25 8478959-1 1993 BACKGROUND: alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 43-47 ornithine decarboxylase 1 Homo sapiens 81-104 8478959-1 1993 BACKGROUND: alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 43-47 ornithine decarboxylase 1 Homo sapiens 106-109 8478959-4 1993 PURPOSE: A randomized phase I study of DFMO was conducted to determine the lowest daily oral dose that can achieve at least 50% inhibition of ODC activity induced by 12-O-tetradecanoylphorbol-13-acetate (TPA) in human skin, with minimal clinical toxicity (grade 1 or lower; Eastern Cooperative Oncology Group [ECOG]). Eflornithine 39-43 ornithine decarboxylase 1 Homo sapiens 142-145 8478959-10 1993 To evaluate the effectiveness of DFMO in reducing TPA-induced ODC activity, we calculated the percent change from pretreatment ODC levels in skin biopsy specimens and the percentage of subjects with at least a 50% reduction in ODC levels. Eflornithine 33-37 ornithine decarboxylase 1 Homo sapiens 62-65 8481891-4 1993 In combination with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, only 5,8-dimethylspermine had a favorable effect. Eflornithine 51-55 ornithine decarboxylase, structural 1 Mus musculus 61-84 8354641-4 1993 The specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), resulted in a complete inhibition of ODC activity and depletion of putrescine, spermidine and spermine levels. Eflornithine 31-60 ornithine decarboxylase 1 Homo sapiens 26-29 8354641-4 1993 The specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), resulted in a complete inhibition of ODC activity and depletion of putrescine, spermidine and spermine levels. Eflornithine 31-60 ornithine decarboxylase 1 Homo sapiens 106-109 8354641-4 1993 The specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), resulted in a complete inhibition of ODC activity and depletion of putrescine, spermidine and spermine levels. Eflornithine 62-66 ornithine decarboxylase 1 Homo sapiens 26-29 8354641-4 1993 The specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), resulted in a complete inhibition of ODC activity and depletion of putrescine, spermidine and spermine levels. Eflornithine 62-66 ornithine decarboxylase 1 Homo sapiens 106-109 8386981-6 1993 Inhibition of carcinogenesis by piroxicam and difluoromethyl ornithine inhibited alpha 1AT expression. Eflornithine 46-70 serpin family A member 1 Homo sapiens 81-90 8472334-8 1993 The AOM-induced expression of biochemically active p21ras was significantly suppressed by dietary DFMO and piroxicam. Eflornithine 98-102 HRas proto-oncogene, GTPase Rattus norvegicus 51-57 8472334-9 1993 DFMO exerted a more pronounced inhibitory effect on AOM-induced colon tumor development as well as the expression of biochemically active p21ras. Eflornithine 0-4 HRas proto-oncogene, GTPase Rattus norvegicus 138-144 8328299-3 1993 In the present paper the effects of treatments with alpha-difluoromethylornithine, a suicide inhibitor of ornithine decarboxylase, have been investigated in a model of transient forebrain ischemia. Eflornithine 52-81 ornithine decarboxylase 1 Rattus norvegicus 106-129 8328299-10 1993 In addition, other alterations of lesioned tissue were observed in alpha-difluoromethylornithine-treated animals, including increases of non-neuronal cells at 7 and especially 40 days post-lesion in striatum and CA3 hippocampal field. Eflornithine 67-96 carbonic anhydrase 3 Rattus norvegicus 212-215 8441821-0 1993 Effect of difluoromethylornithine on atrial natriuretic peptide in rat atria. Eflornithine 10-33 natriuretic peptide A Rattus norvegicus 37-63 8492070-4 1993 The effect of DFMO was associated with reduced levels of putrescine in the anterior pituitary gland, suggesting that ODC activity in the lactotroph might be involved in the prolactin surge. Eflornithine 14-18 ornithine decarboxylase 1 Rattus norvegicus 117-120 8444085-1 1993 The effect of difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase activity, was evaluated in vivo and in vitro on the growth of a gastrin-sensitive human colon carcinoma (WiDr). Eflornithine 14-37 gastrin Homo sapiens 158-165 8444085-1 1993 The effect of difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase activity, was evaluated in vivo and in vitro on the growth of a gastrin-sensitive human colon carcinoma (WiDr). Eflornithine 39-43 gastrin Homo sapiens 158-165 8444085-6 1993 DFMO, on the other hand, decreased both ODC activity and growth. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 40-43 8095973-5 1993 Glutamate-induced ODC activation but not neurotoxicity was blocked by the ODC inhibitor difluoromethylornithine. Eflornithine 88-111 ornithine decarboxylase 1 Rattus norvegicus 18-21 8095973-5 1993 Glutamate-induced ODC activation but not neurotoxicity was blocked by the ODC inhibitor difluoromethylornithine. Eflornithine 88-111 ornithine decarboxylase 1 Rattus norvegicus 74-77 8499611-10 1993 This ODC activity was inhibited by alpha-difluoromethylornithine and anti-mouse ODC antisera in a manner consistent with that reported for the mouse ODC. Eflornithine 35-64 ornithine decarboxylase, structural 1 Mus musculus 5-8 8441821-2 1993 In this study, difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, was used to investigate its effect on atrial natriuretic peptide (ANP) in atria of rat. Eflornithine 15-38 natriuretic peptide A Rattus norvegicus 122-148 8441821-2 1993 In this study, difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, was used to investigate its effect on atrial natriuretic peptide (ANP) in atria of rat. Eflornithine 15-38 natriuretic peptide A Rattus norvegicus 150-153 8441821-2 1993 In this study, difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, was used to investigate its effect on atrial natriuretic peptide (ANP) in atria of rat. Eflornithine 40-44 natriuretic peptide A Rattus norvegicus 122-148 8441821-2 1993 In this study, difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, was used to investigate its effect on atrial natriuretic peptide (ANP) in atria of rat. Eflornithine 40-44 natriuretic peptide A Rattus norvegicus 150-153 8441821-4 1993 Radioimmunoassay of ANP in atrial extracts indicated that DFMO treatment increased ANP contents of atria. Eflornithine 58-62 natriuretic peptide A Rattus norvegicus 20-23 8441821-4 1993 Radioimmunoassay of ANP in atrial extracts indicated that DFMO treatment increased ANP contents of atria. Eflornithine 58-62 natriuretic peptide A Rattus norvegicus 83-86 8441821-6 1993 The predominant ANP peptide in both control and DFMO group migrated at 17 kDa. Eflornithine 48-52 natriuretic peptide A Rattus norvegicus 16-19 8441821-9 1993 The incorporation of ANP into control and DFMO group peaked at 30 min and returned to a basal level by 60 min. Eflornithine 42-46 natriuretic peptide A Rattus norvegicus 21-24 8441821-10 1993 DFMO decreased the incorporation of [35S]methionine into ANP. Eflornithine 0-4 natriuretic peptide A Rattus norvegicus 57-60 8441821-12 1993 At 60 min following, the amount of labeled ANP in DFMO + putrescine-treated group was significantly lower than that in DFMO group. Eflornithine 50-54 natriuretic peptide A Rattus norvegicus 43-46 8441821-12 1993 At 60 min following, the amount of labeled ANP in DFMO + putrescine-treated group was significantly lower than that in DFMO group. Eflornithine 119-123 natriuretic peptide A Rattus norvegicus 43-46 8447376-1 1993 The selective ornithine decarboxylase (ODC) inhibitor difluoromethyl ornithine (DFMO) was used to investigate the role of polyamines in initial diabetic renal enlargement. Eflornithine 54-78 ornithine decarboxylase 1 Rattus norvegicus 14-37 8428357-0 1993 Chemoprevention of oral carcinogenesis by DL-alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor: dose-dependent reduction in 4-nitroquinoline 1-oxide-induced tongue neoplasms in rats. Eflornithine 42-74 ornithine decarboxylase 1 Rattus norvegicus 79-102 8447376-1 1993 The selective ornithine decarboxylase (ODC) inhibitor difluoromethyl ornithine (DFMO) was used to investigate the role of polyamines in initial diabetic renal enlargement. Eflornithine 54-78 ornithine decarboxylase 1 Rattus norvegicus 39-42 8447376-3 1993 Insulin treatment normalized renal ODC activity, whereas DFMO treatment totally inhibited the kidney ODC activity. Eflornithine 57-61 ornithine decarboxylase 1 Rattus norvegicus 101-104 8447376-9 1993 Finally, selective inhibition of ODC activity by DFMO resulted in kidneys of normal size, despite unaltered diabetic metabolic aberrations. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 33-36 8425439-6 1993 Administration of EGF, spermine, aminoguanidine (an inhibitor of degradation of PA), or 16,16-dmPGE2 after stress promoted significantly the healing and DNA synthesis, but pretreatment with DFMO abolished the effect of EGF but not that of spermine. Eflornithine 190-194 epidermal growth factor like 1 Rattus norvegicus 18-21 8425439-6 1993 Administration of EGF, spermine, aminoguanidine (an inhibitor of degradation of PA), or 16,16-dmPGE2 after stress promoted significantly the healing and DNA synthesis, but pretreatment with DFMO abolished the effect of EGF but not that of spermine. Eflornithine 190-194 epidermal growth factor like 1 Rattus norvegicus 219-222 8424111-3 1993 As in previous studies, suppression of ODC activity by DFMO prevented not only the jejunal epithelial hyperplasia in the diabetic rats, but also retarded jejunal epithelial growth in the control rats. Eflornithine 55-59 ornithine decarboxylase 1 Rattus norvegicus 39-42 8439287-5 1993 A decrease in the proliferation rate of TNF-sensitive cells induced by either alpha-difluoromethylornithine treatment (resulting in polyamine depletion) or serum starvation rendered the cells insensitive to TNF-induced cytotoxicity, further suggesting a role for mitogenic signals and cell division in TNF-mediated cytotoxicity. Eflornithine 78-107 tumor necrosis factor Homo sapiens 40-43 8424111-4 1993 DFMO administration lowered ODC activity by over 80% in both diabetic and control rat enterocytes and prevented the rise in enterocyte contents of putrescine and spermidine in the diabetic rat. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 28-31 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 24-58 ornithine decarboxylase 1 Rattus norvegicus 91-114 8465553-1 1993 The polyamine dependence of enterocyte growth and differentiation was studied in the human intestinal cell line CaCo-2 using a specific inhibitor of the key enzyme ornithine decarboxylase (ODC), difluoromethylornithine (DFMO). Eflornithine 195-218 ornithine decarboxylase 1 Homo sapiens 164-187 8465553-2 1993 ODC was highest during the initial phase of rapid growth and was inhibited in a dose dependent fashion by DFMO at 0.06-2 mM. Eflornithine 106-110 ornithine decarboxylase 1 Homo sapiens 0-3 8465553-6 1993 The DFMO mediated suppression of cell replication, enzymatic and morphologic differentiation was reversible in the presence of the ODC product putrescine. Eflornithine 4-8 ornithine decarboxylase 1 Homo sapiens 131-134 8097305-3 1993 The primary efflux peak is attenuated by the continual infusion via the dialysis probe of either the ornithine decarboxylase inhibitor difluoromethylornithine or by the NMDA antagonist 2-APV. Eflornithine 135-158 ornithine decarboxylase 1 Rattus norvegicus 101-124 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 28-51 Fas (TNF receptor superfamily member 6) Mus musculus 13-16 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 28-51 ornithine decarboxylase, structural 1 Mus musculus 67-70 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 28-51 Fas (TNF receptor superfamily member 6) Mus musculus 83-86 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 53-57 Fas (TNF receptor superfamily member 6) Mus musculus 13-16 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 53-57 ornithine decarboxylase, structural 1 Mus musculus 67-70 8273569-4 1993 Treatment of lpr mouse with difluoromethylornithine (DFMO) reduced ODC activity in lpr kidney to the level of normal strains. Eflornithine 53-57 Fas (TNF receptor superfamily member 6) Mus musculus 83-86 8273569-5 1993 In contrast, ODC mRNA level increased 12-fold by DFMO treatment. Eflornithine 49-53 ornithine decarboxylase, structural 1 Mus musculus 13-16 8273569-7 1993 The beneficial effect of DFMO on murine lupus suggests a pathogenic role for altered ODC regulation in lpr mouse. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 85-88 8273569-7 1993 The beneficial effect of DFMO on murine lupus suggests a pathogenic role for altered ODC regulation in lpr mouse. Eflornithine 25-29 Fas (TNF receptor superfamily member 6) Mus musculus 103-106 8418689-2 1993 ODC catalyzes the rate-limiting step in the biosynthesis of polyamines that are necessary for normal cell growth; alpha-difluoromethylornithine (DFMO) specifically inhibits ODC activity. Eflornithine 114-143 ornithine decarboxylase 1 Rattus norvegicus 0-3 8418689-2 1993 ODC catalyzes the rate-limiting step in the biosynthesis of polyamines that are necessary for normal cell growth; alpha-difluoromethylornithine (DFMO) specifically inhibits ODC activity. Eflornithine 114-143 ornithine decarboxylase 1 Rattus norvegicus 173-176 8418689-2 1993 ODC catalyzes the rate-limiting step in the biosynthesis of polyamines that are necessary for normal cell growth; alpha-difluoromethylornithine (DFMO) specifically inhibits ODC activity. Eflornithine 145-149 ornithine decarboxylase 1 Rattus norvegicus 0-3 8418689-2 1993 ODC catalyzes the rate-limiting step in the biosynthesis of polyamines that are necessary for normal cell growth; alpha-difluoromethylornithine (DFMO) specifically inhibits ODC activity. Eflornithine 145-149 ornithine decarboxylase 1 Rattus norvegicus 173-176 8418689-8 1993 Increased ODC activity and polyamine content in both the proximal and distal gut mucosa of burned rats preceded restoration of mucosal weight and DNA content that occurred at 48 hours postburn; these responses were prevented by DFMO treatment. Eflornithine 228-232 ornithine decarboxylase 1 Rattus norvegicus 10-13 8447420-2 1993 In that model, the inhibition of ornithine decarboxylase, a rate-limiting enzyme of polyamine biosynthesis, with alpha-difluoromethylornithine (DFMO) almost entirely prevented healing. Eflornithine 113-142 ornithine decarboxylase 1 Rattus norvegicus 33-56 8447420-2 1993 In that model, the inhibition of ornithine decarboxylase, a rate-limiting enzyme of polyamine biosynthesis, with alpha-difluoromethylornithine (DFMO) almost entirely prevented healing. Eflornithine 144-148 ornithine decarboxylase 1 Rattus norvegicus 33-56 8243835-2 1993 Furthermore it was investigated whether the simultaneous inhibition of the polyamine interconversion pathway by the potent polyamine oxidase inhibitor MDL-72527 together with the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) is able to enhance and prolong the only initial and transient inhibitory effects of DFMO on camostate-induced pancreatic growth. Eflornithine 219-248 ornithine decarboxylase 1 Rattus norvegicus 179-202 8243835-2 1993 Furthermore it was investigated whether the simultaneous inhibition of the polyamine interconversion pathway by the potent polyamine oxidase inhibitor MDL-72527 together with the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) is able to enhance and prolong the only initial and transient inhibitory effects of DFMO on camostate-induced pancreatic growth. Eflornithine 219-248 ornithine decarboxylase 1 Rattus norvegicus 204-207 8243835-3 1993 Simultaneous administration of DFMO and MDL-72527 resulted in a significant inhibition of the camostate-induced increases in pancreatic putrescine, ODC and DNA over 5 days, while the initial significant inhibition of pancreatic weight, protein content, DNA-polymerase and especially spermidine was absent after 5 days and spermine as well as N1-acetylspermidine were even increased. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 148-151 8417156-3 1993 This response was attenuated by the ornithine decarboxylase inhibitor alpha-difluoromethylornithine and the N-methyl-D-aspartate receptor antagonist 5-aminophosphonovaleric acid. Eflornithine 70-99 ornithine decarboxylase Gallus gallus 36-59 8417156-6 1993 Postreceptor inhibition of the ornithine decarboxylase/polyamine cascade by alpha-difluoromethylornithine may provide neuroprotection against N-methyl-D-aspartate-induced excitotoxicity. Eflornithine 76-105 ornithine decarboxylase Gallus gallus 31-54 1458466-1 1992 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme ornithine decarboxylase, inhibits the growth of brain tumor cell lines and is undergoing clinical trials as a treatment for brain tumors. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 101-124 1458466-1 1992 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme ornithine decarboxylase, inhibits the growth of brain tumor cell lines and is undergoing clinical trials as a treatment for brain tumors. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 101-124 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 139-162 glial fibrillary acidic protein Mus musculus 70-101 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 139-162 glial fibrillary acidic protein Mus musculus 103-107 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 139-162 ornithine decarboxylase, structural 1 Mus musculus 200-223 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 164-168 glial fibrillary acidic protein Mus musculus 70-101 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 164-168 glial fibrillary acidic protein Mus musculus 103-107 1300481-1 1992 Mechanical injury to the brain results in enhanced immunostaining for glial fibrillary acidic protein (GFAP) that is markedly inhibited by difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 164-168 ornithine decarboxylase, structural 1 Mus musculus 200-223 1300481-2 1992 In the current study, systemic exposure of mice to the dopaminergic neurotoxicant, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), also increased GFAP but, unlike mechanical injury, this increase was not prevented by DFMO pretreatment. Eflornithine 222-226 glial fibrillary acidic protein Mus musculus 151-155 1482141-2 1992 In combination with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO; Ornidyl), MDL73811 acted synergistically to cure seven of eight infections. Eflornithine 58-90 ornithine decarboxylase, structural 1 Mus musculus 24-47 1482141-2 1992 In combination with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO; Ornidyl), MDL73811 acted synergistically to cure seven of eight infections. Eflornithine 92-96 ornithine decarboxylase, structural 1 Mus musculus 24-47 1463454-7 1992 The expression of AdoMetDC from pSAMh1 in COS-7 cells was greatly inhibited by DFMO treatment, although endogenous AdoMetDC activity was increased. Eflornithine 79-83 adenosylmethionine decarboxylase 1 Homo sapiens 18-26 1330658-14 1992 Finally, the depletion of polyamines, particularly spermidine, by DL-alpha-difluoromethylornithine treatment also prevents c-jun induction by insulin but DL-alpha-difluoromethylornithine treatment has no effect on c-jun induction by vanadate. Eflornithine 66-98 jun proto-oncogene Mus musculus 123-128 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 24-58 ornithine decarboxylase 1 Rattus norvegicus 116-119 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 24-58 carbonic anhydrase 1 Rattus norvegicus 144-147 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 60-64 ornithine decarboxylase 1 Rattus norvegicus 91-114 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 60-64 ornithine decarboxylase 1 Rattus norvegicus 116-119 8094315-1 1993 We tested the effect of DL-alpha-(difluoromethyl)ornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), on recordings in area CA1 of rat hippocampal slices. Eflornithine 60-64 carbonic anhydrase 1 Rattus norvegicus 144-147 8094315-2 1993 In the concentration range in which it is used as an ODC inhibitor, DFMO increased neuronal excitability and blocked paired-pulse inhibition. Eflornithine 68-72 ornithine decarboxylase 1 Rattus norvegicus 53-56 8094315-7 1993 DFMO has frequently been used as a tool to study the role of the ODC-polyamine system in neural preparations. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 65-68 1415709-12 1992 Treatment with DL-alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the increases in both cellular putrescine levels and SAMDC activity in asparagine- and serum-treated cells. Eflornithine 15-47 ornithine decarboxylase 1 Rattus norvegicus 67-70 1415709-12 1992 Treatment with DL-alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the increases in both cellular putrescine levels and SAMDC activity in asparagine- and serum-treated cells. Eflornithine 15-47 adenosylmethionine decarboxylase 1 Rattus norvegicus 145-150 1415709-12 1992 Treatment with DL-alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the increases in both cellular putrescine levels and SAMDC activity in asparagine- and serum-treated cells. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 67-70 1415709-12 1992 Treatment with DL-alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, prevented the increases in both cellular putrescine levels and SAMDC activity in asparagine- and serum-treated cells. Eflornithine 49-53 adenosylmethionine decarboxylase 1 Rattus norvegicus 145-150 1415709-13 1992 In the presence of DFMO, exogenous putrescine returned SAMDC activity toward control levels but had no effect on ODC. Eflornithine 19-23 adenosylmethionine decarboxylase 1 Rattus norvegicus 55-60 1397089-3 1992 Here we report that treatment of LSTRA cells for 2-18 h with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, decreased the amount of phosphotyrosine in several cellular substrates including the T cell protein tyrosine kinase p56lck. Eflornithine 61-90 ornithine decarboxylase, structural 1 Mus musculus 128-131 1397089-3 1992 Here we report that treatment of LSTRA cells for 2-18 h with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, decreased the amount of phosphotyrosine in several cellular substrates including the T cell protein tyrosine kinase p56lck. Eflornithine 61-90 lymphocyte protein tyrosine kinase Mus musculus 249-255 1394136-2 1992 Pretreatment of LC-AH cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, before seeding them onto a CPAE cell monolayer and culturing them for 24 h in the absence of DFMO decreased the number of penetrating tumor cells time and dose dependently (about 35% of the maximal inhibition) without affecting their viability or proliferative activity. Eflornithine 33-62 ornithine decarboxylase Bos taurus 87-110 1397089-3 1992 Here we report that treatment of LSTRA cells for 2-18 h with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, decreased the amount of phosphotyrosine in several cellular substrates including the T cell protein tyrosine kinase p56lck. Eflornithine 92-96 ornithine decarboxylase, structural 1 Mus musculus 128-131 1397089-3 1992 Here we report that treatment of LSTRA cells for 2-18 h with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, decreased the amount of phosphotyrosine in several cellular substrates including the T cell protein tyrosine kinase p56lck. Eflornithine 92-96 lymphocyte protein tyrosine kinase Mus musculus 249-255 1394136-2 1992 Pretreatment of LC-AH cells with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, before seeding them onto a CPAE cell monolayer and culturing them for 24 h in the absence of DFMO decreased the number of penetrating tumor cells time and dose dependently (about 35% of the maximal inhibition) without affecting their viability or proliferative activity. Eflornithine 64-68 ornithine decarboxylase Bos taurus 87-110 1397089-5 1992 DFMO did not affect the catalytic activity of p56lck in vitro and the activity of p56lck immunoprecipitated from DFMO-treated cells was unaltered. Eflornithine 113-117 lymphocyte protein tyrosine kinase Mus musculus 82-88 1397089-6 1992 Addition of putrescine, the reaction product of ODC, completely reversed the effect of DFMO on tyrosine phosphorylation. Eflornithine 87-91 ornithine decarboxylase, structural 1 Mus musculus 48-51 1436709-2 1992 In the absence of gross morphological changes, retinoic acid reduced the growth rate without major change of IGF-II mRNA expression, while alpha-difluoromethylornithine produced a complete growth arrest and a sharp decrease of IGF-II mRNA expression. Eflornithine 139-168 insulin like growth factor 2 Homo sapiens 227-233 1415554-8 1992 Significantly, alpha-difluoromethylornithine (DFMO), which inhibits ornithine decarboxylase and polyamine synthesis, almost totally prevented cell migration. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 68-91 1415554-8 1992 Significantly, alpha-difluoromethylornithine (DFMO), which inhibits ornithine decarboxylase and polyamine synthesis, almost totally prevented cell migration. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 68-91 1444206-1 1992 We reported previously that polyamine deprivation by feeding a polyamine deficient diet combined with gastrointestinal tract decontamination and polyamine oxidase inhibition considerably enhanced the antitumoral effect of DFMO, a selective inhibitor of ornithine decarboxylase. Eflornithine 222-226 ornithine decarboxylase, structural 1 Mus musculus 253-276 1426528-2 1992 The effect of dichlororibofuranosylbenzimidazole (DiCl-RB), an inhibitor of hnRNA synthesis and casein kinase-2 activity, on ornithine decarboxylase (ODC) was investigated in a difluoromethylornithine (DFMO) resistant, ODC overproducing cell line. Eflornithine 177-200 Ornithine decarboxylase 1 Drosophila melanogaster 125-148 1520491-11 1992 Inhibition of ODC with alpha-difluoromethylornithine (DFMO) also induced SPD transport, as evidenced by an increase in the Vmax to 65 pmol/min/10(6) cells. Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 14-17 1520491-11 1992 Inhibition of ODC with alpha-difluoromethylornithine (DFMO) also induced SPD transport, as evidenced by an increase in the Vmax to 65 pmol/min/10(6) cells. Eflornithine 54-58 ornithine decarboxylase 1 Rattus norvegicus 14-17 1360694-3 1992 The preliminary exposure of cultured monocytes to alpha-difluoromethylornithine (DFMO) significantly reduced TGc induction caused by RA. Eflornithine 50-79 transglutaminase 2 Homo sapiens 109-112 1360694-3 1992 The preliminary exposure of cultured monocytes to alpha-difluoromethylornithine (DFMO) significantly reduced TGc induction caused by RA. Eflornithine 81-85 transglutaminase 2 Homo sapiens 109-112 1360694-6 1992 The supplementation of putrescine (1 mM) or spermidine (0.5 mM) to culture medium reversed the inhibiting effect of DFMO on RA-mediated induction of TGc. Eflornithine 116-120 transglutaminase 2 Homo sapiens 149-152 1520332-0 1992 Recovery of ornithine decarboxylase activity after inhibition with alpha-difluoromethylornithine. Eflornithine 67-96 ornithine decarboxylase 1 Homo sapiens 12-35 1340062-8 1992 As expected, the ODC inhibitor difluoromethylornithine (DFMO) inhibited AR42J cell DNA synthesis, and the addition of exogenous putrescine reversed this effect. Eflornithine 31-54 ornithine decarboxylase 1 Rattus norvegicus 17-20 1340062-8 1992 As expected, the ODC inhibitor difluoromethylornithine (DFMO) inhibited AR42J cell DNA synthesis, and the addition of exogenous putrescine reversed this effect. Eflornithine 56-60 ornithine decarboxylase 1 Rattus norvegicus 17-20 1520332-1 1992 alpha-Difluoromethylornithine is an effective inhibitor of polyamine biosynthesis because of its specificity for ornithine decarboxylase and the fact that its attachment to this enzyme is considered to be irreversible. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 113-136 1499692-8 1992 In order to study the role of putrescine in edema formation in this model we treated the traumatized rats with alpha-difluoromethyl-ornithine (DFMO), an inhibitor of ornithine-decarboxylase, the rate limiting enzyme in putrescine biosynthesis. Eflornithine 111-141 ornithine decarboxylase 1 Rattus norvegicus 166-189 1514608-4 1992 In whole animal experiments, bolus intraileal injection of 10 nM hrIGF-I in anesthetized rats induced a 300% increase in ileal mucosal ODC activity, which was sensitive to inhibition with difluoromethylornithine (DFMO). Eflornithine 188-211 ornithine decarboxylase 1 Rattus norvegicus 135-138 1514608-4 1992 In whole animal experiments, bolus intraileal injection of 10 nM hrIGF-I in anesthetized rats induced a 300% increase in ileal mucosal ODC activity, which was sensitive to inhibition with difluoromethylornithine (DFMO). Eflornithine 213-217 ornithine decarboxylase 1 Rattus norvegicus 135-138 1514608-7 1992 Intraperitoneal treatment with 200 mg/kg DFMO three times per day had little effect on ileal mucosal mass, but completely inhibited the trophic response to IGF-I infusion. Eflornithine 41-45 insulin-like growth factor 1 Rattus norvegicus 156-161 1324153-6 1992 Exposure of cells to 5 mM alpha-difluoromethylornithine blocked both the VIP-induced increase in cell number and the VIP-induced increase in ODC activity. Eflornithine 26-55 vasoactive intestinal peptide Homo sapiens 73-76 1324153-6 1992 Exposure of cells to 5 mM alpha-difluoromethylornithine blocked both the VIP-induced increase in cell number and the VIP-induced increase in ODC activity. Eflornithine 26-55 vasoactive intestinal peptide Homo sapiens 117-120 1324153-6 1992 Exposure of cells to 5 mM alpha-difluoromethylornithine blocked both the VIP-induced increase in cell number and the VIP-induced increase in ODC activity. Eflornithine 26-55 ornithine decarboxylase 1 Homo sapiens 141-144 1499692-8 1992 In order to study the role of putrescine in edema formation in this model we treated the traumatized rats with alpha-difluoromethyl-ornithine (DFMO), an inhibitor of ornithine-decarboxylase, the rate limiting enzyme in putrescine biosynthesis. Eflornithine 143-147 ornithine decarboxylase 1 Rattus norvegicus 166-189 1323950-3 1992 The addition of H-7 to both the 3T3 and 3T3/SV40 cells, inhibited the cell proliferation, though the level of inhibition was always lower than in those treated with the DFMO alone. Eflornithine 169-173 histocompatibility 7 Mus musculus 16-19 1341266-12 1992 Our finding of significant stimulation of polyamine uptake by NaB after inhibition of endogenous synthesis (by an ODC-dependent pathway) in DFMO-treated cells suggests that cellular requirements are increased for polyamines in NaB-treated cells. Eflornithine 140-144 ornithine decarboxylase, structural 1 Mus musculus 114-117 1378845-2 1992 Our previous studies have determined that depletion of intracellular polyamines by alpha-difluoromethylornithine results in a marked decrease in the transcription of the human c-myc gene. Eflornithine 83-112 MYC proto-oncogene, bHLH transcription factor Homo sapiens 176-181 1359466-4 1992 Treatment with the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine, prevented the ischaemia-induced increase in tissue PU without affecting infarct volume. Eflornithine 59-88 ornithine decarboxylase 1 Rattus norvegicus 19-42 1359466-4 1992 Treatment with the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine, prevented the ischaemia-induced increase in tissue PU without affecting infarct volume. Eflornithine 59-88 ornithine decarboxylase 1 Rattus norvegicus 44-47 1618050-3 1992 A total of 26 dogs were studied, eight of which received 2% difluoromethylornithine (DFMO, a specific inhibitor of ODC) in drinking water. Eflornithine 60-83 ornithine decarboxylase 1 Canis lupus familiaris 115-118 1618050-3 1992 A total of 26 dogs were studied, eight of which received 2% difluoromethylornithine (DFMO, a specific inhibitor of ODC) in drinking water. Eflornithine 85-89 ornithine decarboxylase 1 Canis lupus familiaris 115-118 1618323-3 1992 In the studies reported here, it was found that inhibitors of polyamine biosynthesis, methylglyoxal-bis[quanylhydrazone] (MGBG) and difluoromethylornithine (DFMO), prevent mitogen-induced accumulation of mRNAs encoding major cytoskeletal components, beta-actin and alpha-tubulin, in mouse splenocytes. Eflornithine 132-155 actin, beta Mus musculus 250-260 1600622-1 1992 Our previous studies have shown that dietary piroxicam, a non-steroidal anti-inflammatory drug (NSAID), and D,L-alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, act as potential chemopreventive agents in inhibiting azoxymethane (AOM)-induced colon carcinogenesis in male F344 rats. Eflornithine 108-141 ornithine decarboxylase 1 Rattus norvegicus 153-176 1587335-3 1992 We measured the effects of an acute treatment of adult rats with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, on biochemical alterations following kainate-induced seizure activity. Eflornithine 65-88 ornithine decarboxylase 1 Rattus norvegicus 126-129 1587335-3 1992 We measured the effects of an acute treatment of adult rats with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, on biochemical alterations following kainate-induced seizure activity. Eflornithine 90-94 ornithine decarboxylase 1 Rattus norvegicus 126-129 1600622-1 1992 Our previous studies have shown that dietary piroxicam, a non-steroidal anti-inflammatory drug (NSAID), and D,L-alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, act as potential chemopreventive agents in inhibiting azoxymethane (AOM)-induced colon carcinogenesis in male F344 rats. Eflornithine 108-141 ornithine decarboxylase 1 Rattus norvegicus 178-181 1600622-1 1992 Our previous studies have shown that dietary piroxicam, a non-steroidal anti-inflammatory drug (NSAID), and D,L-alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, act as potential chemopreventive agents in inhibiting azoxymethane (AOM)-induced colon carcinogenesis in male F344 rats. Eflornithine 143-147 ornithine decarboxylase 1 Rattus norvegicus 153-176 1600622-1 1992 Our previous studies have shown that dietary piroxicam, a non-steroidal anti-inflammatory drug (NSAID), and D,L-alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, act as potential chemopreventive agents in inhibiting azoxymethane (AOM)-induced colon carcinogenesis in male F344 rats. Eflornithine 143-147 ornithine decarboxylase 1 Rattus norvegicus 178-181 1600622-14 1992 The results demonstrate that DFMO, an inhibitor of ODC, suppresses cell proliferation, whereas piroxicam, a NSAID, inhibits prostaglandins, and emphasize the need to develop agent-dependent intermediate biomarker(s) to validate the efficacy of chemopreventive agent(s) in colon carcinogenesis. Eflornithine 29-33 ornithine decarboxylase 1 Rattus norvegicus 51-54 1566849-3 1992 We examined the effect of inhibition of polyamine synthesis with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of the ODC enzyme, on regenerating liver weight and total DNA, RNA, and protein, [3H]thymidine and [14C]leucine incorporation, number of mitotic figures, and putrescine, spermidine, and spermine contents. Eflornithine 96-100 ornithine decarboxylase 1 Rattus norvegicus 136-139 1568161-1 1992 The author has studied the effects of alpha-difluoromethylornithine (alpha DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase; human fibroblast interferon (IFN beta); and their combination on human gastric cancer cell growth in vitro. Eflornithine 69-79 interferon beta 1 Homo sapiens 182-190 1568161-4 1992 When alpha DFMO (0.1 mmol/l) was administered in combination with IFN beta (100 and 1000 IU/ml), synergistic antiproliferative activity was observed 7 days after continuous exposure. Eflornithine 5-15 interferon beta 1 Homo sapiens 66-74 1601800-1 1992 On the basis of the previous findings that alpha-difluoromethylornithine (DFMO, an inhibitor of ornithine decarboxylase, which is the rate-limiting enzyme in polyamine biosynthesis) treatment prevents monocrotaline-(MCT) induced pulmonary hypertension and that ventilatory dysfunction precedes pulmonary hypertension in MCT-treated rats, we hypothesize that MCT-induced changes in airway/lung function are polyamine dependent. Eflornithine 43-72 ornithine decarboxylase 1 Rattus norvegicus 96-119 1601800-1 1992 On the basis of the previous findings that alpha-difluoromethylornithine (DFMO, an inhibitor of ornithine decarboxylase, which is the rate-limiting enzyme in polyamine biosynthesis) treatment prevents monocrotaline-(MCT) induced pulmonary hypertension and that ventilatory dysfunction precedes pulmonary hypertension in MCT-treated rats, we hypothesize that MCT-induced changes in airway/lung function are polyamine dependent. Eflornithine 74-78 ornithine decarboxylase 1 Rattus norvegicus 96-119 1566849-6 1992 In rats receiving DFMO, ODC and putrescine changed minimally but spermidine increased as usual. Eflornithine 18-22 ornithine decarboxylase 1 Rattus norvegicus 24-27 1312903-4 1992 The respiratory burst response was inhibited in a dose-dependent manner with difluoromethylornithine, an inhibitor of ornithine decarboxylase, and methylglyoxal-bis(guanylhydrazone), an inhibitor of the formation of spermidine and spermine. Eflornithine 77-100 ornithine decarboxylase 1 Homo sapiens 118-141 1551114-3 1992 Polyamine depletion using DL-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, has been shown to suppress cell growth in a variety of settings, including those of tumor and lymphocyte proliferation. Eflornithine 26-58 ornithine decarboxylase, structural 1 Mus musculus 83-106 1551114-3 1992 Polyamine depletion using DL-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, has been shown to suppress cell growth in a variety of settings, including those of tumor and lymphocyte proliferation. Eflornithine 60-64 ornithine decarboxylase, structural 1 Mus musculus 83-106 1551114-7 1992 Putrescine also reversed the growth-inhibitory effects of DFMO on 4 tumor cell lines that we tested: 28-13-3S, YAC-1, P-815, and K562. Eflornithine 58-62 ADP-ribosyltransferase 1 Mus musculus 111-116 1569411-5 1992 When difluoromethylornithine (DFMO), an irreversible inhibitor of ODC activity, was administered to pregnant mice throughout the period of palate development (days 11-14), palatal tissue ODC activity was reduced by 85%. Eflornithine 5-28 ornithine decarboxylase, structural 1 Mus musculus 66-69 1569411-5 1992 When difluoromethylornithine (DFMO), an irreversible inhibitor of ODC activity, was administered to pregnant mice throughout the period of palate development (days 11-14), palatal tissue ODC activity was reduced by 85%. Eflornithine 5-28 ornithine decarboxylase, structural 1 Mus musculus 187-190 1569411-5 1992 When difluoromethylornithine (DFMO), an irreversible inhibitor of ODC activity, was administered to pregnant mice throughout the period of palate development (days 11-14), palatal tissue ODC activity was reduced by 85%. Eflornithine 30-34 ornithine decarboxylase, structural 1 Mus musculus 66-69 1569411-5 1992 When difluoromethylornithine (DFMO), an irreversible inhibitor of ODC activity, was administered to pregnant mice throughout the period of palate development (days 11-14), palatal tissue ODC activity was reduced by 85%. Eflornithine 30-34 ornithine decarboxylase, structural 1 Mus musculus 187-190 1532891-1 1992 alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, reduced intestinal lesions in tumor-bearing mice caused by treatment with N3-(3-methylbenzoyl)-3",5"-diacetyl [corrected]-FUDR (FF-705), a derivative of 5-fluoro-2"-deoxyuridine (FUDR). Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 54-77 1551519-6 1992 DFMO also inhibited ornithine decarboxylase activity and prevented increases in duodenal mucosal polyamine content. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 20-43 1532891-1 1992 alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, reduced intestinal lesions in tumor-bearing mice caused by treatment with N3-(3-methylbenzoyl)-3",5"-diacetyl [corrected]-FUDR (FF-705), a derivative of 5-fluoro-2"-deoxyuridine (FUDR). Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 54-77 1563337-0 1992 Ornithine decarboxylase induction and polyamine synthesis in the kindling of seizures: the effect of alpha-difluoromethylornithine. Eflornithine 101-130 ornithine decarboxylase 1 Homo sapiens 0-23 1580563-4 1992 Ornithine decarboxylase was shown to be incompletely inhibited by administration of DFMO with the diet. Eflornithine 84-88 ornithine decarboxylase, structural 1 Mus musculus 0-23 1563337-5 1992 In the present study we examined the progress of kindling during treatment with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 80-109 ornithine decarboxylase 1 Homo sapiens 147-150 1563337-5 1992 In the present study we examined the progress of kindling during treatment with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 111-115 ornithine decarboxylase 1 Homo sapiens 147-150 1730582-2 1992 Mouse ornithine decarboxylase (ODC) was expressed in Escherichia coli and the purified recombinant enzyme used for determination of the binding site for pyridoxal 5"-phosphate and of the residues modified in the inactivation of the enzyme by the enzyme-activated irreversible inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 287-316 ornithine decarboxylase, structural 1 Mus musculus 6-29 1532663-5 1992 Quantitation of ANP in plasma by radioimmunoassay indicated that both basal and stimulated levels of ANP in DFMO-treated animals were 21.5% and 50% of those in control rats. Eflornithine 108-112 natriuretic peptide A Rattus norvegicus 16-19 1532663-5 1992 Quantitation of ANP in plasma by radioimmunoassay indicated that both basal and stimulated levels of ANP in DFMO-treated animals were 21.5% and 50% of those in control rats. Eflornithine 108-112 natriuretic peptide A Rattus norvegicus 101-104 1532663-6 1992 The administration of putrescine restored the levels of basal and AVP-stimulated levels of ANP in plasma which confirmed that DFMO effect on ANP secretion occurred specifically through the polyamine pathway. Eflornithine 126-130 natriuretic peptide A Rattus norvegicus 91-94 1532663-6 1992 The administration of putrescine restored the levels of basal and AVP-stimulated levels of ANP in plasma which confirmed that DFMO effect on ANP secretion occurred specifically through the polyamine pathway. Eflornithine 126-130 natriuretic peptide A Rattus norvegicus 141-144 1569411-7 1992 The lack of a teratogenic effect by DFMO treatment could be due to sufficient remaining ODC activity in craniofacial tissue and/or maintenance of intracellular polyamine levels by the activity of a polyamine transport system. Eflornithine 36-40 ornithine decarboxylase, structural 1 Mus musculus 88-91 1371646-3 1992 Treatment of AR42J cells with the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) inhibited DNA synthesis. Eflornithine 74-97 ornithine decarboxylase 1 Rattus norvegicus 34-57 1371646-3 1992 Treatment of AR42J cells with the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) inhibited DNA synthesis. Eflornithine 74-97 ornithine decarboxylase 1 Rattus norvegicus 59-62 1371646-3 1992 Treatment of AR42J cells with the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) inhibited DNA synthesis. Eflornithine 99-103 ornithine decarboxylase 1 Rattus norvegicus 34-57 1371646-3 1992 Treatment of AR42J cells with the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) inhibited DNA synthesis. Eflornithine 99-103 ornithine decarboxylase 1 Rattus norvegicus 59-62 1730582-0 1992 Mechanism of the irreversible inactivation of mouse ornithine decarboxylase by alpha-difluoromethylornithine. Eflornithine 79-108 ornithine decarboxylase, structural 1 Mus musculus 52-75 1472637-4 1992 Recent studies demonstrated that down-regulation of polyamine biosynthesis by irreversible inhibition of ODC with difluoromethylornithine (DFMO0 is a novel therapeutic approach for the treatment of murine lupus in autoimmune MRL-lpr/lpr mice. Eflornithine 114-137 ornithine decarboxylase, structural 1 Mus musculus 105-108 1306095-1 1992 Difluoromethylornithine (DFMO) is an investigational chemopreventive agent that inhibits ornithine decarboxylase (ODC) activity, lowers cellular polyamine concentrations, and decreases cell proliferation in vivo and in vitro. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 89-112 1306095-1 1992 Difluoromethylornithine (DFMO) is an investigational chemopreventive agent that inhibits ornithine decarboxylase (ODC) activity, lowers cellular polyamine concentrations, and decreases cell proliferation in vivo and in vitro. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 114-117 1306095-1 1992 Difluoromethylornithine (DFMO) is an investigational chemopreventive agent that inhibits ornithine decarboxylase (ODC) activity, lowers cellular polyamine concentrations, and decreases cell proliferation in vivo and in vitro. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 89-112 1306095-1 1992 Difluoromethylornithine (DFMO) is an investigational chemopreventive agent that inhibits ornithine decarboxylase (ODC) activity, lowers cellular polyamine concentrations, and decreases cell proliferation in vivo and in vitro. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 114-117 1306095-4 1992 ODC activity in EBM was high (approximately 1 mumol/min/mg protein), resistant to DFMO inhibition (Ki = 4200 microM), dependent on GTP concentration (maximal at 0.1 mM), and was reduced concomitantly with bacterial concentration by antiseptic mouthwashing. Eflornithine 82-86 ornithine decarboxylase 1 Homo sapiens 0-3 1730582-2 1992 Mouse ornithine decarboxylase (ODC) was expressed in Escherichia coli and the purified recombinant enzyme used for determination of the binding site for pyridoxal 5"-phosphate and of the residues modified in the inactivation of the enzyme by the enzyme-activated irreversible inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 287-316 ornithine decarboxylase, structural 1 Mus musculus 31-34 1730582-2 1992 Mouse ornithine decarboxylase (ODC) was expressed in Escherichia coli and the purified recombinant enzyme used for determination of the binding site for pyridoxal 5"-phosphate and of the residues modified in the inactivation of the enzyme by the enzyme-activated irreversible inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 318-322 ornithine decarboxylase, structural 1 Mus musculus 6-29 1730582-2 1992 Mouse ornithine decarboxylase (ODC) was expressed in Escherichia coli and the purified recombinant enzyme used for determination of the binding site for pyridoxal 5"-phosphate and of the residues modified in the inactivation of the enzyme by the enzyme-activated irreversible inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 318-322 ornithine decarboxylase, structural 1 Mus musculus 31-34 1406501-2 1992 Since atrophic changes of the intestinal mucosa have been observed in uremia the present study investigated whether intestinal atrophy induced by difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, could affect the absorption of Al. Eflornithine 146-169 ornithine decarboxylase 1 Rattus norvegicus 202-225 1289667-2 1992 DFMO is an irreversible, enzyme-activated, suicide inhibitor of ornithine decarboxylase (ODC), the enzyme responsible for the first and rate-limiting step in mammalian polyamine synthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 64-87 1289667-2 1992 DFMO is an irreversible, enzyme-activated, suicide inhibitor of ornithine decarboxylase (ODC), the enzyme responsible for the first and rate-limiting step in mammalian polyamine synthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 89-92 1289667-5 1992 ODC activity in the prostate was shown to be more susceptible to DFMO inhibition than in other organs. Eflornithine 65-69 ornithine decarboxylase 1 Homo sapiens 0-3 1289667-6 1992 We have found the ODC activity of the Dunning R3327 rat prostatic carcinomas to be as sensitive to inhibition by DFMO as the normal rat prostate. Eflornithine 113-117 ornithine decarboxylase 1 Rattus norvegicus 18-21 1389696-12 1992 A subsequent clinical trial with a biologic endpoint used alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to test whether a low dose could produce changes in polyamine content in gastrointestinal mucosa. Eflornithine 89-93 ornithine decarboxylase 1 Homo sapiens 125-128 1406501-2 1992 Since atrophic changes of the intestinal mucosa have been observed in uremia the present study investigated whether intestinal atrophy induced by difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, could affect the absorption of Al. Eflornithine 171-175 ornithine decarboxylase 1 Rattus norvegicus 202-225 1290060-5 1992 The effects of ornithine decarboxylase (ODC) blockade with difluoromethyl ornithine (DFMO) and of diamine oxidase (DAO) blockade with aminoguanidine, are described. Eflornithine 59-83 ornithine decarboxylase, structural 1 Mus musculus 40-43 1290060-5 1992 The effects of ornithine decarboxylase (ODC) blockade with difluoromethyl ornithine (DFMO) and of diamine oxidase (DAO) blockade with aminoguanidine, are described. Eflornithine 85-89 ornithine decarboxylase, structural 1 Mus musculus 40-43 1661161-2 1991 We have previously shown that alpha-difluoromethyl ornithine, a suicide inhibitor of ornithine decarboxylase (ODC, EC 4.1.1.17) and suboptimal concentrations of dibutyryl cAMP (0.1 to 0.2 mM) are effective in inducing the differentiation of mouse Neuro-2a (N2a) neuroblastoma cells. Eflornithine 30-60 ornithine decarboxylase, structural 1 Mus musculus 85-108 1661161-2 1991 We have previously shown that alpha-difluoromethyl ornithine, a suicide inhibitor of ornithine decarboxylase (ODC, EC 4.1.1.17) and suboptimal concentrations of dibutyryl cAMP (0.1 to 0.2 mM) are effective in inducing the differentiation of mouse Neuro-2a (N2a) neuroblastoma cells. Eflornithine 30-60 ornithine decarboxylase, structural 1 Mus musculus 110-113 1790596-1 1991 Impairment of polyamine synthesis by treatment with difluoromehtylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, has been shown to alter normal brain development. Eflornithine 77-81 ornithine decarboxylase 1 Rattus norvegicus 113-136 1719956-1 1991 The ornithine decarboxylase (ODC; EC 4.1.1.17) gene in parental, dexamethasone-resistant and 2-difluoromethylornithine (DFMO)-resistant human IgG-myeloma-cell lines was studied with the aid of methylation-sensitive restriction endonucleases and probes recognizing different parts of the gene. Eflornithine 93-118 ornithine decarboxylase 1 Homo sapiens 4-27 1663805-6 1991 We also measured ODC activity and polyamine concentration in these cell lines, and determined their sensitivity to an ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 133-156 ornithine decarboxylase 1 Homo sapiens 118-121 1663805-6 1991 We also measured ODC activity and polyamine concentration in these cell lines, and determined their sensitivity to an ODC inhibitor, difluoromethylornithine (DFMO). Eflornithine 158-162 ornithine decarboxylase 1 Homo sapiens 118-121 1787820-7 1991 Alpha-difluoromethylornithine (DFMO) inhibits ornithine decarboxylase and so lowers the levels of spermine and spermidine. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 46-69 1787820-7 1991 Alpha-difluoromethylornithine (DFMO) inhibits ornithine decarboxylase and so lowers the levels of spermine and spermidine. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 46-69 1953732-3 1991 It is shown that (i) CKII accumulates in nuclei of adrenocortical cells exposed to their trophic hormone ACTH; (ii) this CKII nuclear translocation is concomitant with an increase in nuclear polyamine content resulting from ACTH-induced polyamine synthesis; (iii) selective inhibition of polyamine biosynthesis by DFMO results in the inhibition of both ACTH-induced cellular polyamine increase and CKII nuclear accumulation. Eflornithine 314-318 casein kinase 2 alpha 1 Homo sapiens 21-25 1953732-3 1991 It is shown that (i) CKII accumulates in nuclei of adrenocortical cells exposed to their trophic hormone ACTH; (ii) this CKII nuclear translocation is concomitant with an increase in nuclear polyamine content resulting from ACTH-induced polyamine synthesis; (iii) selective inhibition of polyamine biosynthesis by DFMO results in the inhibition of both ACTH-induced cellular polyamine increase and CKII nuclear accumulation. Eflornithine 314-318 casein kinase 2 alpha 1 Homo sapiens 121-125 1953732-3 1991 It is shown that (i) CKII accumulates in nuclei of adrenocortical cells exposed to their trophic hormone ACTH; (ii) this CKII nuclear translocation is concomitant with an increase in nuclear polyamine content resulting from ACTH-induced polyamine synthesis; (iii) selective inhibition of polyamine biosynthesis by DFMO results in the inhibition of both ACTH-induced cellular polyamine increase and CKII nuclear accumulation. Eflornithine 314-318 casein kinase 2 alpha 1 Homo sapiens 121-125 1719956-1 1991 The ornithine decarboxylase (ODC; EC 4.1.1.17) gene in parental, dexamethasone-resistant and 2-difluoromethylornithine (DFMO)-resistant human IgG-myeloma-cell lines was studied with the aid of methylation-sensitive restriction endonucleases and probes recognizing different parts of the gene. Eflornithine 120-124 ornithine decarboxylase 1 Homo sapiens 29-32 1719956-4 1991 Two of the parental clones represented a hypomethylated type very close to that exclusively found among the DFMO-resistant clones with ODC gene amplification. Eflornithine 108-112 ornithine decarboxylase 1 Homo sapiens 135-138 1932110-4 1991 This cell line was isolated by selection for resistance to the antiproliferative effect of the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 109-138 ornithine decarboxylase 1 Homo sapiens 95-98 1932110-4 1991 This cell line was isolated by selection for resistance to the antiproliferative effect of the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 140-144 ornithine decarboxylase 1 Homo sapiens 95-98 1932110-6 1991 When L1210-DFMOr cells were grown in the presence of 20 mM DFMO (i.e., when their polyamine content was reduced to an extent that still permitted a normal growth rate) ODC represented 4-5% of the soluble protein synthesized. Eflornithine 11-15 ornithine decarboxylase 1 Homo sapiens 168-171 1932110-7 1991 After transfer of the cells to a medium lacking DFMO (i.e., when their polyamine pools were repleted), the rate of incorporation of [35S]methionine into ODC was one order of magnitude lower. Eflornithine 48-52 ornithine decarboxylase 1 Homo sapiens 153-156 1898085-0 1991 Stable ornithine decarboxylase in a rat hepatoma cell line selected for resistance to alpha-difluoromethylornithine. Eflornithine 86-115 ornithine decarboxylase 1 Rattus norvegicus 7-30 1898085-5 1991 This cell variant was induced by selection for growth in stepwise increasing concentrations (up to 10 mM) of the irreversible ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 141-170 ornithine decarboxylase 1 Rattus norvegicus 126-129 1898085-5 1991 This cell variant was induced by selection for growth in stepwise increasing concentrations (up to 10 mM) of the irreversible ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 172-176 ornithine decarboxylase 1 Rattus norvegicus 126-129 1898085-9 1991 ODC purified from the variant cells was found to be identical to the control cell enzyme in size, isoelectric point, substrate binding kinetics, and sensitivity to the inhibitor DFMO. Eflornithine 178-182 ornithine decarboxylase 1 Rattus norvegicus 0-3 1745018-8 1991 In the presence of alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, the growth rate of MCs, assessed by cell counts and by 3H-TdR uptake, was markedly reduced by 62 to 100%. Eflornithine 19-48 ornithine decarboxylase 1 Rattus norvegicus 103-106 1745018-8 1991 In the presence of alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, the growth rate of MCs, assessed by cell counts and by 3H-TdR uptake, was markedly reduced by 62 to 100%. Eflornithine 50-54 ornithine decarboxylase 1 Rattus norvegicus 103-106 1745018-9 1991 This antiproliferative effect of DFMO could be reversed by addition of putrescine, the reaction product of ODC. Eflornithine 33-37 ornithine decarboxylase 1 Rattus norvegicus 107-110 16668466-12 1991 DFMO increased the activity of diamine oxidase by about 25%. Eflornithine 0-4 copper amino oxidase Glycine max 31-46 16668466-14 1991 Ornithine decarboxylase activity was also suppressed by DFMO, but putrescine and spermidine contents were not affected, except in the meristematic tissues. Eflornithine 56-60 ornithine decarboxylase Glycine max 0-23 1898373-0 1991 Levels of ornithine decarboxylase genomic sequences, heterogeneous nuclear RNA and mRNA in human myeloma cells resistant to alpha-difluoromethylornithine. Eflornithine 124-153 ornithine decarboxylase 1 Homo sapiens 10-33 1716059-12 1991 DFMO (5 mM) totally inhibited the increase in ODC activity but had no effect on the cellular uptake of polyamines in the presence of putrescine. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 46-49 1887898-4 1991 DFMO treatment completely abolished the I/R-induced increase in ODC activity. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 64-67 1768053-7 1991 DFMO inhibited the ODC activity totally and depleted the cellular polyamine levels. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 19-22 1859381-2 1991 For this purpose RINm5F cells were exposed for 4 days to the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 110-133 ornithine decarboxylase 1 Rattus norvegicus 70-93 1859381-2 1991 For this purpose RINm5F cells were exposed for 4 days to the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 110-133 ornithine decarboxylase 1 Rattus norvegicus 95-98 1859381-2 1991 For this purpose RINm5F cells were exposed for 4 days to the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 135-139 ornithine decarboxylase 1 Rattus norvegicus 70-93 1859381-2 1991 For this purpose RINm5F cells were exposed for 4 days to the specific ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 135-139 ornithine decarboxylase 1 Rattus norvegicus 95-98 1719956-1 1991 The ornithine decarboxylase (ODC; EC 4.1.1.17) gene in parental, dexamethasone-resistant and 2-difluoromethylornithine (DFMO)-resistant human IgG-myeloma-cell lines was studied with the aid of methylation-sensitive restriction endonucleases and probes recognizing different parts of the gene. Eflornithine 93-118 ornithine decarboxylase 1 Homo sapiens 29-32 1719956-1 1991 The ornithine decarboxylase (ODC; EC 4.1.1.17) gene in parental, dexamethasone-resistant and 2-difluoromethylornithine (DFMO)-resistant human IgG-myeloma-cell lines was studied with the aid of methylation-sensitive restriction endonucleases and probes recognizing different parts of the gene. Eflornithine 120-124 ornithine decarboxylase 1 Homo sapiens 4-27 1860716-2 1991 The effects of chronic administration of alpha-difluoromethylornithine, a specific irreversible inhibitor of ornithine decarboxylase and thus polyamine biosynthesis, on vascular polyamine contents, structure, and function as well as the development of hypertension was studied. Eflornithine 41-70 ornithine decarboxylase 1 Rattus norvegicus 109-132 2051159-2 1991 on rat behavior, brain damage, and polyamine levels and the action of the specific ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) on these effects. Eflornithine 117-146 ornithine decarboxylase 1 Rattus norvegicus 83-106 1710934-9 1991 Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, given orally (8% in drinking water) to nursing dams at postnatal day 5 for 5 days caused an 83% inhibition of pancreatic ODC activity in thyroxine-treated pups when compared to thyroxine-treated pups not exposed to DFMO. Eflornithine 0-24 ornithine decarboxylase 1 Rattus norvegicus 44-47 1710934-9 1991 Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, given orally (8% in drinking water) to nursing dams at postnatal day 5 for 5 days caused an 83% inhibition of pancreatic ODC activity in thyroxine-treated pups when compared to thyroxine-treated pups not exposed to DFMO. Eflornithine 0-24 ornithine decarboxylase 1 Rattus norvegicus 180-183 1710934-9 1991 Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, given orally (8% in drinking water) to nursing dams at postnatal day 5 for 5 days caused an 83% inhibition of pancreatic ODC activity in thyroxine-treated pups when compared to thyroxine-treated pups not exposed to DFMO. Eflornithine 26-30 ornithine decarboxylase 1 Rattus norvegicus 44-47 1710934-9 1991 Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, given orally (8% in drinking water) to nursing dams at postnatal day 5 for 5 days caused an 83% inhibition of pancreatic ODC activity in thyroxine-treated pups when compared to thyroxine-treated pups not exposed to DFMO. Eflornithine 26-30 ornithine decarboxylase 1 Rattus norvegicus 180-183 1718794-5 1991 Addition of alpha-difluoromethylornithine (DFMO, 4 mM), an inhibitor of PA biosynthesis, consistently lowered IGFBP-2 mRNA in the MCF-7 and BT-20 cell lines and IGFBP-1 mRNA in MDA-MB-231 cells. Eflornithine 12-41 insulin like growth factor binding protein 2 Homo sapiens 110-117 1927551-8 1991 DFMO administration for 4 days completely inhibited mucosal ornithine decarboxylase and abolished the rise of ileal sucrase activity. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 60-83 1957703-0 1991 In vivo inhibition of parasympathetic nerve induced increases in ornithine decarboxylase activity of the rat sublingual gland by alpha-difluoromethylornithine. Eflornithine 129-158 ornithine decarboxylase 1 Rattus norvegicus 65-88 1718794-5 1991 Addition of alpha-difluoromethylornithine (DFMO, 4 mM), an inhibitor of PA biosynthesis, consistently lowered IGFBP-2 mRNA in the MCF-7 and BT-20 cell lines and IGFBP-1 mRNA in MDA-MB-231 cells. Eflornithine 12-41 insulin like growth factor binding protein 1 Homo sapiens 161-168 1718794-5 1991 Addition of alpha-difluoromethylornithine (DFMO, 4 mM), an inhibitor of PA biosynthesis, consistently lowered IGFBP-2 mRNA in the MCF-7 and BT-20 cell lines and IGFBP-1 mRNA in MDA-MB-231 cells. Eflornithine 43-47 insulin like growth factor binding protein 2 Homo sapiens 110-117 1718794-5 1991 Addition of alpha-difluoromethylornithine (DFMO, 4 mM), an inhibitor of PA biosynthesis, consistently lowered IGFBP-2 mRNA in the MCF-7 and BT-20 cell lines and IGFBP-1 mRNA in MDA-MB-231 cells. Eflornithine 43-47 insulin like growth factor binding protein 1 Homo sapiens 161-168 2040654-8 1991 DFMO decreased the cellular levels of putrescine and spermidine and suppressed IL-1 beta release and IL-1 beta mRNA expression by 65%. Eflornithine 0-4 interleukin 1 beta Homo sapiens 101-110 1782416-6 1991 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, did not affect ethanol lesions, but reversed the protective effect EGF but not spermine against ethanol. Eflornithine 18-41 ornithine decarboxylase 1 Rattus norvegicus 79-102 1782416-6 1991 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, did not affect ethanol lesions, but reversed the protective effect EGF but not spermine against ethanol. Eflornithine 18-41 ornithine decarboxylase 1 Rattus norvegicus 104-107 1782416-6 1991 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, did not affect ethanol lesions, but reversed the protective effect EGF but not spermine against ethanol. Eflornithine 18-41 epidermal growth factor like 1 Rattus norvegicus 225-228 1782416-6 1991 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, did not affect ethanol lesions, but reversed the protective effect EGF but not spermine against ethanol. Eflornithine 43-47 ornithine decarboxylase 1 Rattus norvegicus 79-102 1782416-6 1991 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, did not affect ethanol lesions, but reversed the protective effect EGF but not spermine against ethanol. Eflornithine 43-47 ornithine decarboxylase 1 Rattus norvegicus 104-107 1912611-4 1991 In the same experiments, on the other hand, addition of DFMO completely blocked the growth stimulatory effect of exogenous TGF-alpha. Eflornithine 56-60 transforming growth factor alpha Homo sapiens 123-132 1912611-5 1991 However, when the culture conditions were changed to serum-free medium, TGF-alpha and E2-induced cell proliferation was affected modestly or not at all by DFMO administration, despite similar suppression of cellular ornithine decarboxylase (ODC) activity and PA levels. Eflornithine 155-159 transforming growth factor alpha Homo sapiens 72-81 2067204-2 1991 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ODC and thereby depletes putrescine and spermidine levels in vivo and in vitro. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 63-66 2040654-7 1991 To find whether these peaks were related to IL-1 beta production, DL-alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC, was added together with TPA and 1,25(OH)2D3. Eflornithine 66-98 interleukin 1 beta Homo sapiens 44-53 2040654-7 1991 To find whether these peaks were related to IL-1 beta production, DL-alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC, was added together with TPA and 1,25(OH)2D3. Eflornithine 66-98 ornithine decarboxylase 1 Homo sapiens 144-147 2040654-7 1991 To find whether these peaks were related to IL-1 beta production, DL-alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC, was added together with TPA and 1,25(OH)2D3. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 144-147 2040654-8 1991 DFMO decreased the cellular levels of putrescine and spermidine and suppressed IL-1 beta release and IL-1 beta mRNA expression by 65%. Eflornithine 0-4 interleukin 1 beta Homo sapiens 79-88 2067204-2 1991 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ODC and thereby depletes putrescine and spermidine levels in vivo and in vitro. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 63-66 2067204-3 1991 Previous studies in lupus-prone MRL-lpr/lpr mice treated with 1% DFMO in drinking water have been associated with improved lifespan, and reduced anti-DNA antibody production, lymphadenopathy, and splenic polyamine levels. Eflornithine 65-69 Fas (TNF receptor superfamily member 6) Mus musculus 36-39 2067204-3 1991 Previous studies in lupus-prone MRL-lpr/lpr mice treated with 1% DFMO in drinking water have been associated with improved lifespan, and reduced anti-DNA antibody production, lymphadenopathy, and splenic polyamine levels. Eflornithine 65-69 Fas (TNF receptor superfamily member 6) Mus musculus 40-43 1679009-4 1991 On the contrary, DFMO determined a dramatic reduction of tTG expression and of the apoptotic index. Eflornithine 17-21 transglutaminase 2 Homo sapiens 57-60 1651771-1 1991 DFMO and IFN have both been shown to suppress the intracellular activity of ornithine decarboxylase in rapidly proliferating tissues. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 76-99 1651771-8 1991 In contrast, the activity of the 68-kDa interferon induced protein kinase (PK) in IFN/DFMO-treated cells was 1.6-fold greater at 48 and 72 h than that found for IFN alone. Eflornithine 86-90 interferon alpha 1 Homo sapiens 82-85 1651771-8 1991 In contrast, the activity of the 68-kDa interferon induced protein kinase (PK) in IFN/DFMO-treated cells was 1.6-fold greater at 48 and 72 h than that found for IFN alone. Eflornithine 86-90 interferon alpha 1 Homo sapiens 161-164 1651771-9 1991 These studies demonstrate that the synergistic antiproliferative activity of IFN/DFMO combination may be due, in part, to modification of the activity of IFN-inducible enzymes. Eflornithine 81-85 interferon alpha 1 Homo sapiens 77-80 1651771-9 1991 These studies demonstrate that the synergistic antiproliferative activity of IFN/DFMO combination may be due, in part, to modification of the activity of IFN-inducible enzymes. Eflornithine 81-85 interferon alpha 1 Homo sapiens 154-157 2017155-1 1991 Our previous studies suggested that the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) inhibits bone resorption by mechanisms that are independent of polyamine depletion. Eflornithine 74-103 ornithine decarboxylase, structural 1 Mus musculus 40-63 1852267-0 1991 Differential effects of difluoromethylornithine on basal and induced activity of cerebral ornithine decarboxylase and mRNA. Eflornithine 24-47 ornithine decarboxylase 1 Homo sapiens 90-113 1852267-5 1991 Susceptibility to difluoromethylornithine may be directly correlated with a slower turnover rate for ornithine decarboxylase. Eflornithine 18-41 ornithine decarboxylase 1 Homo sapiens 101-124 2017155-1 1991 Our previous studies suggested that the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) inhibits bone resorption by mechanisms that are independent of polyamine depletion. Eflornithine 105-109 ornithine decarboxylase, structural 1 Mus musculus 40-63 1905904-1 1991 The oral administration of alpha-difluoromethylornithine (DFMO), an enzyme-activated inhibitor of ornithine decarboxylase (ODC), produced a marked decrease in the rate of growth of amelanotic Harding-Passey melanoma transplanted in mice. Eflornithine 27-56 ornithine decarboxylase, structural 1 Mus musculus 98-121 1905904-1 1991 The oral administration of alpha-difluoromethylornithine (DFMO), an enzyme-activated inhibitor of ornithine decarboxylase (ODC), produced a marked decrease in the rate of growth of amelanotic Harding-Passey melanoma transplanted in mice. Eflornithine 27-56 ornithine decarboxylase, structural 1 Mus musculus 123-126 1905904-1 1991 The oral administration of alpha-difluoromethylornithine (DFMO), an enzyme-activated inhibitor of ornithine decarboxylase (ODC), produced a marked decrease in the rate of growth of amelanotic Harding-Passey melanoma transplanted in mice. Eflornithine 58-62 ornithine decarboxylase, structural 1 Mus musculus 98-121 1905904-1 1991 The oral administration of alpha-difluoromethylornithine (DFMO), an enzyme-activated inhibitor of ornithine decarboxylase (ODC), produced a marked decrease in the rate of growth of amelanotic Harding-Passey melanoma transplanted in mice. Eflornithine 58-62 ornithine decarboxylase, structural 1 Mus musculus 123-126 1672500-6 1991 Trypanosomes taken from rats treated for 36 h with eflornithine, an inhibitor of ODC, were depleted of putrescine and had markedly decreased spermidine levels. Eflornithine 51-63 ornithine decarboxylase 1 Rattus norvegicus 81-84 1905904-6 1991 However, the activity of SAMDC increased up to 30-fold in DFMO-treated melanoma, while only a moderate increase was observed in the renal enzyme. Eflornithine 58-62 S-adenosylmethionine decarboxylase 1 Mus musculus 25-30 1831810-1 1991 DL-alpha-Difluoromethylornithine (DFMO) is a specific inhibitor of the rate-limiting enzyme in polyamine biosynthesis, ornithine decarboxylase (ODC). Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 119-142 1831810-1 1991 DL-alpha-Difluoromethylornithine (DFMO) is a specific inhibitor of the rate-limiting enzyme in polyamine biosynthesis, ornithine decarboxylase (ODC). Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 144-147 1831810-1 1991 DL-alpha-Difluoromethylornithine (DFMO) is a specific inhibitor of the rate-limiting enzyme in polyamine biosynthesis, ornithine decarboxylase (ODC). Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 119-142 1831810-1 1991 DL-alpha-Difluoromethylornithine (DFMO) is a specific inhibitor of the rate-limiting enzyme in polyamine biosynthesis, ornithine decarboxylase (ODC). Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 144-147 1831810-3 1991 Putrescine (PUT; 1 mM) and spermidine (SPD; 0.01 mM) reversed DFMO inhibition, indicating that DFMO inhibition was caused by ODC antagonism. Eflornithine 95-99 ornithine decarboxylase, structural 1 Mus musculus 125-128 1932775-8 1991 This effect was abolished by the pretreatment with difluoromethylornithine, an inhibitor of ornithine decarboxylase, the key enzyme in the biosynthesis of polyamines. Eflornithine 51-74 ornithine decarboxylase Bos taurus 92-115 2023214-3 1991 There was a reduction of IgG and IgA levels in older DFMO treated mice, whereas IgM level was not affected. Eflornithine 53-57 immunoglobulin heavy constant alpha Mus musculus 33-36 1847359-3 1991 Activation of the polyamine-producing system appears to be a necessary step in the proliferative response of HT29 cells since cell growth is arrested by addition of difluoromethylornithine (DFMO, an inhibitor of ODC), then restored by further addition of putrescine into the culture medium. Eflornithine 165-188 ornithine decarboxylase 1 Homo sapiens 212-215 1847359-3 1991 Activation of the polyamine-producing system appears to be a necessary step in the proliferative response of HT29 cells since cell growth is arrested by addition of difluoromethylornithine (DFMO, an inhibitor of ODC), then restored by further addition of putrescine into the culture medium. Eflornithine 190-194 ornithine decarboxylase 1 Homo sapiens 212-215 1702074-12 1991 In animals given the specific inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine, increases in duodenal mucosal ornithine decarboxylase activity and polyamine levels were inhibited and mucosal repair was almost completely prevented following stress. Eflornithine 68-97 ornithine decarboxylase 1 Rattus norvegicus 43-66 1985877-3 1991 alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of ODC, and a known anti-neoplastic agent. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 86-89 1985877-3 1991 alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of ODC, and a known anti-neoplastic agent. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 86-89 1984779-6 1991 Treatment with 1% DFMO was associated with an increase in uterine estrogen receptor DNA binding (1,100 +/- 218 fmoles/mg of DNA) in MRL-lpr/lpr mice (P less than 0.001). Eflornithine 18-22 Fas (TNF receptor superfamily member 6) Mus musculus 136-139 2067204-10 1991 DFMO treatment reduced ODC activity and polyamine concentrations in treated mice. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 23-26 2018351-1 1991 An almost complete prevention of tumor growth was achieved in U-251 human glioblastoma xenografted nude mice, by partial decontamination of the gastrointestinal tract and feeding of a polyamine-free diet containing inhibitors of ornithine decarboxylase (DFMO) and of polyamine oxidase (MDL 72527). Eflornithine 254-258 ornithine decarboxylase, structural 1 Mus musculus 229-252 1984779-6 1991 Treatment with 1% DFMO was associated with an increase in uterine estrogen receptor DNA binding (1,100 +/- 218 fmoles/mg of DNA) in MRL-lpr/lpr mice (P less than 0.001). Eflornithine 18-22 Fas (TNF receptor superfamily member 6) Mus musculus 140-143 2039841-3 1991 Such hormonal activation of breast cancer growth was completely abolished by treatment with alpha-difluoromethyl-ornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, which lowered tumor content of polyamines. Eflornithine 92-122 ornithine decarboxylase 1 Rattus norvegicus 168-191 1984779-7 1991 Polyamine levels were 2-6-fold higher in the uterine tissues of untreated MRL-lpr/lpr mice compared with the BALB/c mice and were significantly reduced by DFMO treatment. Eflornithine 155-159 Fas (TNF receptor superfamily member 6) Mus musculus 78-81 1984779-7 1991 Polyamine levels were 2-6-fold higher in the uterine tissues of untreated MRL-lpr/lpr mice compared with the BALB/c mice and were significantly reduced by DFMO treatment. Eflornithine 155-159 Fas (TNF receptor superfamily member 6) Mus musculus 82-85 2039841-3 1991 Such hormonal activation of breast cancer growth was completely abolished by treatment with alpha-difluoromethyl-ornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, which lowered tumor content of polyamines. Eflornithine 124-128 ornithine decarboxylase 1 Rattus norvegicus 168-191 1884248-1 1991 Polyamines are essential for cell growth of normal and neoplastic tissue, alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor or ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 74-103 ornithine decarboxylase, structural 1 Mus musculus 148-171 1959325-6 1991 The purified frog ODC showed three bands on SDS-polyacrylamide gel electrophoretic analysis, as confirmed by [3H]alpha-difluoromethylornithine binding. Eflornithine 113-142 ornithine decarboxylase, structural 1 Mus musculus 18-21 1884248-1 1991 Polyamines are essential for cell growth of normal and neoplastic tissue, alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor or ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 74-103 ornithine decarboxylase, structural 1 Mus musculus 173-176 1884248-1 1991 Polyamines are essential for cell growth of normal and neoplastic tissue, alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor or ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 105-109 ornithine decarboxylase, structural 1 Mus musculus 148-171 1884248-1 1991 Polyamines are essential for cell growth of normal and neoplastic tissue, alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor or ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 105-109 ornithine decarboxylase, structural 1 Mus musculus 173-176 1884248-9 1991 DFMO caused a significant reduction (compared with controls that did not receive DFMO) in the ODC activity of tumors; however, ODC activity of the kidney, pancreas, and liver of tumor-bearing mice was not affected. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 94-97 1884248-11 1991 DFMO lowered ODC activity in the kidney, pancreas, and liver of tumor-free mice. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 13-16 1997467-0 1991 Influence of gastrin, gastrin receptor blockers, epidermal growth factor, and difluoromethylornithine on the growth and the activity of ornithine decarboxylase of colonic carcinoma cells. Eflornithine 78-101 ornithine decarboxylase 1 Homo sapiens 136-159 1900801-1 1991 Interferon (IFN)-alpha, -gamma, and two inhibitors of polyamine biosynthesis (alpha-difluoromethyl ornithine; DFMO and methyl glyoxal bis-guanyl hydrazone; MGBG) inhibited the clonal growth of Raji cells. Eflornithine 78-108 interferon alpha 1 Homo sapiens 0-22 1997467-6 1991 Growth and ODC activity of all cell lines were inhibited by DFMO. Eflornithine 60-64 ornithine decarboxylase 1 Homo sapiens 11-14 2005184-1 1991 DL-alpha-Difluoromethylornithine (DFMO), a suicide inhibitor of eukaryotic ornithine decarboxylase (ODC), has therapeutic activities against African trypanosomiasis. Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 75-98 2005184-1 1991 DL-alpha-Difluoromethylornithine (DFMO), a suicide inhibitor of eukaryotic ornithine decarboxylase (ODC), has therapeutic activities against African trypanosomiasis. Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 100-103 2005184-1 1991 DL-alpha-Difluoromethylornithine (DFMO), a suicide inhibitor of eukaryotic ornithine decarboxylase (ODC), has therapeutic activities against African trypanosomiasis. Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 75-98 2005184-1 1991 DL-alpha-Difluoromethylornithine (DFMO), a suicide inhibitor of eukaryotic ornithine decarboxylase (ODC), has therapeutic activities against African trypanosomiasis. Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 100-103 2005184-2 1991 The Ki value of DFMO for ODC of Trypanosoma brucei is somewhat higher than that for mouse ODC. Eflornithine 16-20 ornithine decarboxylase, structural 1 Mus musculus 25-28 2052154-9 1991 Acute inhibition of ornithine decarboxylase activity by alpha-difluoromethylornithine did not alter DNA synthesis, indicating that the decreases in DNA synthesis induced by beta-endorphin are unrelated to the ornithine decarboxylase/polyamine system. Eflornithine 56-85 ornithine decarboxylase 1 Rattus norvegicus 20-43 2068137-2 1991 The expression of POMC mRNA decreases when the cell lines are differentiated with retinoic acid or alpha-difluoromethylornithine. Eflornithine 99-128 proopiomelanocortin Homo sapiens 18-22 2006469-1 1991 The physiological consequences of early neonatal growth retardation in the kidney were investigated using alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines. Eflornithine 106-135 ornithine decarboxylase 1 Rattus norvegicus 181-204 2006469-1 1991 The physiological consequences of early neonatal growth retardation in the kidney were investigated using alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines. Eflornithine 106-135 ornithine decarboxylase 1 Rattus norvegicus 206-209 2006469-1 1991 The physiological consequences of early neonatal growth retardation in the kidney were investigated using alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines. Eflornithine 137-141 ornithine decarboxylase 1 Rattus norvegicus 181-204 2006469-1 1991 The physiological consequences of early neonatal growth retardation in the kidney were investigated using alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines. Eflornithine 137-141 ornithine decarboxylase 1 Rattus norvegicus 206-209 2088816-7 1990 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increase in ODC and polyamines is inhibited and intestinal growth is suppressed. Eflornithine 54-77 ornithine decarboxylase 1 Rattus norvegicus 49-52 2088816-7 1990 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increase in ODC and polyamines is inhibited and intestinal growth is suppressed. Eflornithine 54-77 ornithine decarboxylase 1 Rattus norvegicus 101-104 2088816-7 1990 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increase in ODC and polyamines is inhibited and intestinal growth is suppressed. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 49-52 2088816-7 1990 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increase in ODC and polyamines is inhibited and intestinal growth is suppressed. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 101-104 2227276-7 1990 An inhibition of ornithine decarboxylase activity by difluoromethyl ornithine also augmented stress-induced ulcerogenesis and abolished the protective action of epidermal growth factor while the administration of spermine almost completely prevented stress ulcerations in rats both without and with pretreatment with difluoromethylornithine. Eflornithine 53-77 ornithine decarboxylase 1 Rattus norvegicus 17-40 2227276-7 1990 An inhibition of ornithine decarboxylase activity by difluoromethyl ornithine also augmented stress-induced ulcerogenesis and abolished the protective action of epidermal growth factor while the administration of spermine almost completely prevented stress ulcerations in rats both without and with pretreatment with difluoromethylornithine. Eflornithine 53-77 epidermal growth factor like 1 Rattus norvegicus 161-184 2227276-7 1990 An inhibition of ornithine decarboxylase activity by difluoromethyl ornithine also augmented stress-induced ulcerogenesis and abolished the protective action of epidermal growth factor while the administration of spermine almost completely prevented stress ulcerations in rats both without and with pretreatment with difluoromethylornithine. Eflornithine 317-340 ornithine decarboxylase 1 Rattus norvegicus 17-40 1846274-10 1991 Treatment of rats with alpha-difluoromethylornithine (DFMO) prevented the infection-induced elevations in mucosal ODC activity, polyamine levels, DNA synthesis, and DNA, RNA, and protein content without influencing the development of inflammation or the parasite"s life cycle. Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 114-117 1846274-10 1991 Treatment of rats with alpha-difluoromethylornithine (DFMO) prevented the infection-induced elevations in mucosal ODC activity, polyamine levels, DNA synthesis, and DNA, RNA, and protein content without influencing the development of inflammation or the parasite"s life cycle. Eflornithine 54-58 ornithine decarboxylase 1 Rattus norvegicus 114-117 1997467-2 1991 Modulation of the cellular polyamine content by 2-difluoromethylornithine (DFMO) inhibiting ornithine decarboxylase (ODC), or by hormones inducing ODC, influences cell growth. Eflornithine 48-73 ornithine decarboxylase 1 Homo sapiens 92-115 1997467-2 1991 Modulation of the cellular polyamine content by 2-difluoromethylornithine (DFMO) inhibiting ornithine decarboxylase (ODC), or by hormones inducing ODC, influences cell growth. Eflornithine 48-73 ornithine decarboxylase 1 Homo sapiens 117-120 1997467-2 1991 Modulation of the cellular polyamine content by 2-difluoromethylornithine (DFMO) inhibiting ornithine decarboxylase (ODC), or by hormones inducing ODC, influences cell growth. Eflornithine 75-79 ornithine decarboxylase 1 Homo sapiens 92-115 1997467-2 1991 Modulation of the cellular polyamine content by 2-difluoromethylornithine (DFMO) inhibiting ornithine decarboxylase (ODC), or by hormones inducing ODC, influences cell growth. Eflornithine 75-79 ornithine decarboxylase 1 Homo sapiens 117-120 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 67-70 1699428-4 1990 Mucosal polyamine levels peaked 4 h after stress and remained significantly elevated for 12 h. The healing process, which was significant by 12 h, was inhibited by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC. Eflornithine 164-196 ornithine decarboxylase 1 Rattus norvegicus 229-232 1699428-4 1990 Mucosal polyamine levels peaked 4 h after stress and remained significantly elevated for 12 h. The healing process, which was significant by 12 h, was inhibited by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC. Eflornithine 198-202 ornithine decarboxylase 1 Rattus norvegicus 229-232 1699428-5 1990 DFMO totally prevented the marked increases in ODC and polyamine levels that usually followed stress. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 47-50 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 0-23 gastrin Homo sapiens 97-104 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 129-132 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 67-70 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 25-29 gastrin Homo sapiens 97-104 2221073-4 1990 Difluoromethylornithine (DFMO; 2 mM), an irreversible inhibitor of ODC, completely abolished the gastrin-mediated stimulation of ODC but not Tyr-k activity. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 129-132 2242341-3 1990 Administration of the polyamine biosynthetic inhibitor, alpha-difluoromethylornithine (DFMO) induced a marked suppression of cellular ornithine decarboxylase (ODC) activity and polyamine levels which was associated with significant, although partial, inhibition of E2-stimulated growth. Eflornithine 56-85 ornithine decarboxylase 1 Homo sapiens 134-157 1974604-6 1990 Thereafter, ODC activity declined but remained significantly greater than control levels for 32 h. Pretreatment of animals with the irreversible ODC inhibitor difluoromethylornithine prevented the induction of ODC by kainate. Eflornithine 159-182 ornithine decarboxylase 1 Rattus norvegicus 12-15 1974604-6 1990 Thereafter, ODC activity declined but remained significantly greater than control levels for 32 h. Pretreatment of animals with the irreversible ODC inhibitor difluoromethylornithine prevented the induction of ODC by kainate. Eflornithine 159-182 ornithine decarboxylase 1 Rattus norvegicus 145-148 1974604-6 1990 Thereafter, ODC activity declined but remained significantly greater than control levels for 32 h. Pretreatment of animals with the irreversible ODC inhibitor difluoromethylornithine prevented the induction of ODC by kainate. Eflornithine 159-182 ornithine decarboxylase 1 Rattus norvegicus 145-148 2242341-3 1990 Administration of the polyamine biosynthetic inhibitor, alpha-difluoromethylornithine (DFMO) induced a marked suppression of cellular ornithine decarboxylase (ODC) activity and polyamine levels which was associated with significant, although partial, inhibition of E2-stimulated growth. Eflornithine 56-85 ornithine decarboxylase 1 Homo sapiens 159-162 2242341-3 1990 Administration of the polyamine biosynthetic inhibitor, alpha-difluoromethylornithine (DFMO) induced a marked suppression of cellular ornithine decarboxylase (ODC) activity and polyamine levels which was associated with significant, although partial, inhibition of E2-stimulated growth. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 134-157 2242341-3 1990 Administration of the polyamine biosynthetic inhibitor, alpha-difluoromethylornithine (DFMO) induced a marked suppression of cellular ornithine decarboxylase (ODC) activity and polyamine levels which was associated with significant, although partial, inhibition of E2-stimulated growth. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 159-162 2228567-1 1990 Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), a crucial enzyme in polyamine synthesis, and impairs mitogen-induced lymphocyte proliferation. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 53-76 2148071-5 1990 In a small number of hearts, ornithine decarboxylase (ODC) activity was assayed in order to verify that dfmo, which is a suicide inhibitor of ODC, had effectively interrupted the polyamines pathway. Eflornithine 104-108 ornithine decarboxylase 1 Rattus norvegicus 29-52 2148071-5 1990 In a small number of hearts, ornithine decarboxylase (ODC) activity was assayed in order to verify that dfmo, which is a suicide inhibitor of ODC, had effectively interrupted the polyamines pathway. Eflornithine 104-108 ornithine decarboxylase 1 Rattus norvegicus 54-57 2148071-5 1990 In a small number of hearts, ornithine decarboxylase (ODC) activity was assayed in order to verify that dfmo, which is a suicide inhibitor of ODC, had effectively interrupted the polyamines pathway. Eflornithine 104-108 ornithine decarboxylase 1 Rattus norvegicus 142-145 1693880-0 1990 Tumor angiogenesis and polyamines: alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, inhibits B16 melanoma-induced angiogenesis in ovo and the proliferation of vascular endothelial cells in vitro. Eflornithine 35-64 ornithine decarboxylase Bos taurus 95-118 1693880-1 1990 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, inhibited B16 melanoma-induced angiogenesis in chick embryo chorioallantoic membrane and subsequently the growth of the tumor on the chorioallantoic membrane. Eflornithine 0-29 ornithine decarboxylase Gallus gallus 67-90 1693880-1 1990 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, inhibited B16 melanoma-induced angiogenesis in chick embryo chorioallantoic membrane and subsequently the growth of the tumor on the chorioallantoic membrane. Eflornithine 31-35 ornithine decarboxylase Gallus gallus 67-90 1693880-4 1990 DFMO strongly inhibited DNA synthesis and proliferation of bovine pulmonary artery endothelial (BPAE) cells in culture and decreased their ornithine decarboxylase activity and intracellular polyamine concentrations. Eflornithine 0-4 ornithine decarboxylase Gallus gallus 139-162 2228567-1 1990 Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), a crucial enzyme in polyamine synthesis, and impairs mitogen-induced lymphocyte proliferation. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 78-81 2228567-1 1990 Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), a crucial enzyme in polyamine synthesis, and impairs mitogen-induced lymphocyte proliferation. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 53-76 2228567-1 1990 Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), a crucial enzyme in polyamine synthesis, and impairs mitogen-induced lymphocyte proliferation. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 78-81 2228567-5 1990 Concentrations of IL 2 increased 7-fold in DFMO-treated, PHA-stimulated PBMC cultures, compared with untreated cells; whereas IL 2 receptor expression as measured by the anti-Tac monoclonal antibody was not affected by the inhibition of ODC. Eflornithine 43-47 interleukin 2 Homo sapiens 18-22 2114097-1 1990 S-Adenosylmethionine decarboxylase (AdoMetDC) activity was elevated 18.8-fold in Swiss 3T3 fibroblasts which were depleted of cellular polyamines by using the inhibitor difluoromethylornithine (DFMO). Eflornithine 169-192 adenosylmethionine decarboxylase 1 Rattus norvegicus 0-34 2114097-1 1990 S-Adenosylmethionine decarboxylase (AdoMetDC) activity was elevated 18.8-fold in Swiss 3T3 fibroblasts which were depleted of cellular polyamines by using the inhibitor difluoromethylornithine (DFMO). Eflornithine 169-192 adenosylmethionine decarboxylase 1 Rattus norvegicus 36-44 2114097-1 1990 S-Adenosylmethionine decarboxylase (AdoMetDC) activity was elevated 18.8-fold in Swiss 3T3 fibroblasts which were depleted of cellular polyamines by using the inhibitor difluoromethylornithine (DFMO). Eflornithine 194-198 adenosylmethionine decarboxylase 1 Rattus norvegicus 0-34 2114097-1 1990 S-Adenosylmethionine decarboxylase (AdoMetDC) activity was elevated 18.8-fold in Swiss 3T3 fibroblasts which were depleted of cellular polyamines by using the inhibitor difluoromethylornithine (DFMO). Eflornithine 194-198 adenosylmethionine decarboxylase 1 Rattus norvegicus 36-44 2114097-6 1990 The shift of the AdoMetDC message into large polysomes occurred within 18 h after addition of DFMO to the cultures and could be reversed by adding exogenous putrescine. Eflornithine 94-98 adenosylmethionine decarboxylase 1 Rattus norvegicus 17-25 2109653-0 1990 Chemoprevention of colon carcinogenesis by concurrent administration of piroxicam, a nonsteroidal antiinflammatory drug with D,L-alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor, in diet. Eflornithine 125-158 ornithine decarboxylase 1 Rattus norvegicus 163-186 2293084-1 1990 The effect of alpha-difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) the rate limiting enzyme of polyamine biosynthesis, was studied on the astroglial reaction in a model of mechanical brain injury. Eflornithine 14-43 ornithine decarboxylase 1 Rattus norvegicus 87-110 2293084-1 1990 The effect of alpha-difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) the rate limiting enzyme of polyamine biosynthesis, was studied on the astroglial reaction in a model of mechanical brain injury. Eflornithine 14-43 ornithine decarboxylase 1 Rattus norvegicus 112-115 2293084-1 1990 The effect of alpha-difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) the rate limiting enzyme of polyamine biosynthesis, was studied on the astroglial reaction in a model of mechanical brain injury. Eflornithine 45-55 ornithine decarboxylase 1 Rattus norvegicus 87-110 2293084-1 1990 The effect of alpha-difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) the rate limiting enzyme of polyamine biosynthesis, was studied on the astroglial reaction in a model of mechanical brain injury. Eflornithine 45-55 ornithine decarboxylase 1 Rattus norvegicus 112-115 2293084-2 1990 alpha-DFMO markedly decreased the astroglial activation induced by the microdialysis probe implantation in the striatum of the male rat, as studied by glial fibrillary acidic protein (GFAP) immunocytochemistry. Eflornithine 0-10 glial fibrillary acidic protein Rattus norvegicus 184-188 2109637-10 1990 Treatment of rats with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, reduced tissue polyamine content, although it had slight effects only on basolateral polyamine transport. Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 77-100 2109637-10 1990 Treatment of rats with alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, reduced tissue polyamine content, although it had slight effects only on basolateral polyamine transport. Eflornithine 54-58 ornithine decarboxylase 1 Rattus norvegicus 77-100 1697882-3 1990 EGF infused subcutaneously (50 micrograms/kg-h) in conscious rats with intact or removed salivary glands stimulated pancreatic protein secretion after 4 h of peptide infusion; this effect was completely prevented by the pretreatment with DL-difluoromethyl-ornithine (DFMO) (200 mg/kg), an irreversible inhibitor of activity of ornithine decarboxylase (ODC), a key enzyme in polyamine synthesis. Eflornithine 267-271 epidermal growth factor like 1 Rattus norvegicus 0-3 1697882-5 1990 DFMO injected in a single dose (200 mg/kg), before the infusion of EGF to the rats, completely abolished the stimulatory effect of EGF on amylase release, but failed to affect that of spermine. Eflornithine 0-4 epidermal growth factor like 1 Rattus norvegicus 131-134 2180965-11 1990 Inhibition of ODC activity by difluoromethylornithine (DFMO) did not suppress oncogenic ras-induced neurite outgrowth, suggesting that these two ras-triggered events are mechanistically independent. Eflornithine 30-53 ornithine decarboxylase 1 Homo sapiens 14-17 2180965-11 1990 Inhibition of ODC activity by difluoromethylornithine (DFMO) did not suppress oncogenic ras-induced neurite outgrowth, suggesting that these two ras-triggered events are mechanistically independent. Eflornithine 55-59 ornithine decarboxylase 1 Homo sapiens 14-17 2124561-0 1990 Effects of starvation and difluoromethylornithine (DFMO) on diamine oxidase activity in rat ileum. Eflornithine 26-49 amine oxidase, copper containing 1 Rattus norvegicus 60-75 2105957-0 1990 Regulation of ornithine decarboxylase expression by anisosmotic shock in alpha-difluoromethylornithine-resistant L1210 cells. Eflornithine 73-102 ornithine decarboxylase, structural 1 Mus musculus 14-37 2312502-11 1990 This, in association with the inhibitory effect on OKG action of difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, suggests a link between the polyamine biosynthesis pathway and the anabolic effect of OKG. Eflornithine 65-88 ornithine decarboxylase 1 Homo sapiens 114-137 2104755-5 1990 Further, covalent modification of ODC near its active site by difluoromethylornithine or phosphate also increases its sensitivity to antizyme. Eflornithine 62-85 ornithine decarboxylase 1 Homo sapiens 34-37 1689120-9 1990 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only inhibited the ODC activity but significantly delayed the recovery from injury as well. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 62-65 1689120-9 1990 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only inhibited the ODC activity but significantly delayed the recovery from injury as well. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 90-93 1689120-9 1990 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only inhibited the ODC activity but significantly delayed the recovery from injury as well. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 62-65 1689120-9 1990 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, not only inhibited the ODC activity but significantly delayed the recovery from injury as well. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 90-93 2109593-0 1990 Inhibition of tumor promotion by DL-alpha-difluoromethylornithine, a specific irreversible inhibitor of ornithine decarboxylase. Eflornithine 33-65 ornithine decarboxylase 1 Homo sapiens 104-127 2124561-0 1990 Effects of starvation and difluoromethylornithine (DFMO) on diamine oxidase activity in rat ileum. Eflornithine 51-55 amine oxidase, copper containing 1 Rattus norvegicus 60-75 2124561-1 1990 Starvation and difluoromethylornithine (DFMO) administration have profound affects on intestinal proliferation, ornithine decarboxylase activity, and tissue polyamine levels. Eflornithine 15-38 ornithine decarboxylase 1 Rattus norvegicus 112-135 2124561-1 1990 Starvation and difluoromethylornithine (DFMO) administration have profound affects on intestinal proliferation, ornithine decarboxylase activity, and tissue polyamine levels. Eflornithine 40-44 ornithine decarboxylase 1 Rattus norvegicus 112-135 2124561-5 1990 The homogenates from the DFMO group also were found to have decreased ODC activity however, mucosal diamine oxidase activity was also decreased. Eflornithine 25-29 amine oxidase, copper containing 1 Rattus norvegicus 100-115 2124562-5 1990 In order to investigate a possible regulation of DAO expression by ODC, we studied the effect of difluoromethylornithine (DFMO), a selective, irreversible inhibitor of ODC, on DAO activity in isolated rat small bowel enterocytes. Eflornithine 97-120 ornithine decarboxylase 1 Rattus norvegicus 168-171 2124562-5 1990 In order to investigate a possible regulation of DAO expression by ODC, we studied the effect of difluoromethylornithine (DFMO), a selective, irreversible inhibitor of ODC, on DAO activity in isolated rat small bowel enterocytes. Eflornithine 97-120 amine oxidase, copper containing 1 Rattus norvegicus 176-179 2124562-5 1990 In order to investigate a possible regulation of DAO expression by ODC, we studied the effect of difluoromethylornithine (DFMO), a selective, irreversible inhibitor of ODC, on DAO activity in isolated rat small bowel enterocytes. Eflornithine 122-126 amine oxidase, copper containing 1 Rattus norvegicus 176-179 2124562-6 1990 Our data demonstrate that in isolated small bowel enterocytes ODC inhibition by 10 mM DFMO reduced DAO activity by 53%, suggesting that, in our experimental conditions, ODC plays a regulatory role on DAO expression. Eflornithine 86-90 ornithine decarboxylase 1 Rattus norvegicus 62-65 2124562-6 1990 Our data demonstrate that in isolated small bowel enterocytes ODC inhibition by 10 mM DFMO reduced DAO activity by 53%, suggesting that, in our experimental conditions, ODC plays a regulatory role on DAO expression. Eflornithine 86-90 amine oxidase, copper containing 1 Rattus norvegicus 99-102 2124562-6 1990 Our data demonstrate that in isolated small bowel enterocytes ODC inhibition by 10 mM DFMO reduced DAO activity by 53%, suggesting that, in our experimental conditions, ODC plays a regulatory role on DAO expression. Eflornithine 86-90 ornithine decarboxylase 1 Rattus norvegicus 169-172 2124562-6 1990 Our data demonstrate that in isolated small bowel enterocytes ODC inhibition by 10 mM DFMO reduced DAO activity by 53%, suggesting that, in our experimental conditions, ODC plays a regulatory role on DAO expression. Eflornithine 86-90 amine oxidase, copper containing 1 Rattus norvegicus 200-203 2124563-3 1990 After jejunectomy, there were up to 93% increases in mean enterocyte ODC activity when compared with the corresponding cell fractions from the TRCs, but in both the control and jejunectomised rats, DFMO treatment markedly inhibited ODC activity (p less than 0.05-0.01) and reduced spermidine and particularly putrescine concentrations (p less than 0.005-0.001) in all four cell fractions. Eflornithine 198-202 ornithine decarboxylase 1 Rattus norvegicus 232-235 2144749-9 1990 The antiproliferative effects of 4-hydroxytamoxifen and DFMO cannot be accounted for by either suppression of IGF-1 secretion (a growth stimulatory factor) or stimulation of TGF-beta production (a growth inhibitory polypeptide). Eflornithine 56-60 insulin like growth factor 1 Homo sapiens 110-115 2262070-2 1990 In addition, supplementation of medium with putrescine alone reverses the inhibition of proliferation produced by inhibition of ODC with difluoromethylornithine (DFMO). Eflornithine 137-160 ornithine decarboxylase 1 Rattus norvegicus 128-131 2262070-2 1990 In addition, supplementation of medium with putrescine alone reverses the inhibition of proliferation produced by inhibition of ODC with difluoromethylornithine (DFMO). Eflornithine 162-166 ornithine decarboxylase 1 Rattus norvegicus 128-131 2262070-6 1990 This was verified by measuring [3H]DFMO binding; serum-stimulated induction of activity was accompanied by a corresponding 20-fold increase in the specific binding of DFMO to ODC. Eflornithine 35-39 ornithine decarboxylase 1 Rattus norvegicus 175-178 2262070-6 1990 This was verified by measuring [3H]DFMO binding; serum-stimulated induction of activity was accompanied by a corresponding 20-fold increase in the specific binding of DFMO to ODC. Eflornithine 167-171 ornithine decarboxylase 1 Rattus norvegicus 175-178 2104805-1 1990 The current study examined both in vivo and in vitro the effects of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on regeneration of sensory axons from a local crush of the adult frog sciatic nerve. Eflornithine 68-97 ornithine decarboxylase 1 Homo sapiens 135-158 2104805-1 1990 The current study examined both in vivo and in vitro the effects of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on regeneration of sensory axons from a local crush of the adult frog sciatic nerve. Eflornithine 68-97 ornithine decarboxylase 1 Homo sapiens 160-163 2104805-1 1990 The current study examined both in vivo and in vitro the effects of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on regeneration of sensory axons from a local crush of the adult frog sciatic nerve. Eflornithine 99-103 ornithine decarboxylase 1 Homo sapiens 135-158 2104805-1 1990 The current study examined both in vivo and in vitro the effects of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on regeneration of sensory axons from a local crush of the adult frog sciatic nerve. Eflornithine 99-103 ornithine decarboxylase 1 Homo sapiens 160-163 1696247-5 1990 The AGS-6 clone exhibited little or no increased sensitivity as a result of pretreatment with DFMO, even though the DFMO-induced reductions in ODC and polyamine values in these cells were similar to those produced in the more sensitive parental line. Eflornithine 116-120 ornithine decarboxylase 1 Homo sapiens 143-146 2104632-5 1990 The activity was inhibited by the specific ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine. Eflornithine 77-107 ornithine decarboxylase, structural 1 Mus musculus 43-66 2107554-2 1990 Polyamine synthesis was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 37-66 ornithine decarboxylase 1 Homo sapiens 104-127 2107554-2 1990 Polyamine synthesis was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 68-72 ornithine decarboxylase 1 Homo sapiens 104-127 1694401-10 1990 Inhibition of ODC with DL-alpha-difluoromethylornithine additionally decreased DNA, RNA, and protein content, exacerbating the damage. Eflornithine 23-55 ornithine decarboxylase 1 Rattus norvegicus 14-17 3125182-3 1988 A mutant L1210 cell line, in which ODCase represents 4-5% of all soluble protein synthesized, was isolated by stepwise selection for resistance to the ODCase inhibitor 2-difluoromethylornithine (DFMO). Eflornithine 168-193 ornithine decarboxylase, structural 1 Mus musculus 35-41 3125182-3 1988 A mutant L1210 cell line, in which ODCase represents 4-5% of all soluble protein synthesized, was isolated by stepwise selection for resistance to the ODCase inhibitor 2-difluoromethylornithine (DFMO). Eflornithine 168-193 ornithine decarboxylase, structural 1 Mus musculus 151-157 33818897-5 2021 Moreover, the proposed work offers an adequate sensitive and selective determination for alpha-difluoromethylornithine where the detection limits were 0.90 mug mL-1 and 0.071 mug mL-1 for the spectrophotometric method and the spectrofluorimetric method, respectively. Eflornithine 89-118 L1 cell adhesion molecule Mus musculus 160-164 33818897-5 2021 Moreover, the proposed work offers an adequate sensitive and selective determination for alpha-difluoromethylornithine where the detection limits were 0.90 mug mL-1 and 0.071 mug mL-1 for the spectrophotometric method and the spectrofluorimetric method, respectively. Eflornithine 89-118 L1 cell adhesion molecule Mus musculus 179-183 2144749-9 1990 The antiproliferative effects of 4-hydroxytamoxifen and DFMO cannot be accounted for by either suppression of IGF-1 secretion (a growth stimulatory factor) or stimulation of TGF-beta production (a growth inhibitory polypeptide). Eflornithine 56-60 transforming growth factor beta 1 Homo sapiens 174-182 15015763-0 2003 Alpha-difluoromethylornithine, ornithine decarboxylase inhibitor, antagonizes H2O2-induced cytotoxicity in HL-60 leukemia cells: regulation of iron-dependent lysosomal damage. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 31-54 31765147-4 2019 The tested analogues overcame growth arrest induced by a 72 h treatment with alpha-difluoromethylornithine, an ornithine decarboxylase (ODC) inhibitor, and entered into DU145 cells via the polyamine transporter. Eflornithine 77-106 ornithine decarboxylase 1 Homo sapiens 111-134 31765147-4 2019 The tested analogues overcame growth arrest induced by a 72 h treatment with alpha-difluoromethylornithine, an ornithine decarboxylase (ODC) inhibitor, and entered into DU145 cells via the polyamine transporter. Eflornithine 77-106 ornithine decarboxylase 1 Homo sapiens 136-139 34133404-5 2021 Our data demonstrates that treatment with DFMO significantly enhances both the viability and activation status of intratumoral CD8+ T cells, most likely through an indirect mechanism. Eflornithine 42-46 CD8a molecule Homo sapiens 127-130 15015763-3 2003 Alpha-difluoromethylornithine treatment (DFMO, 3 mmol/L, 48 h), which depletes intracellular putrescine by inhibiting ornithine decarboxylase, reduced H2O2-induced cell death in the HL-60 leukemia cells. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 118-141 15015763-3 2003 Alpha-difluoromethylornithine treatment (DFMO, 3 mmol/L, 48 h), which depletes intracellular putrescine by inhibiting ornithine decarboxylase, reduced H2O2-induced cell death in the HL-60 leukemia cells. Eflornithine 41-45 ornithine decarboxylase 1 Homo sapiens 118-141 34947972-0 2021 DFMO Improves Survival and Increases Immune Cell Infiltration in Association with MYC Downregulation in the Pancreatic Tumor Microenvironment. Eflornithine 0-4 myelocytomatosis oncogene Mus musculus 82-85 34947972-5 2021 Here, we targeted KRAS, through inhibition of downstream c-RAF with GW5074, and MYC expression via difluoromethylornithine (DFMO). Eflornithine 99-122 Kirsten rat sarcoma viral oncogene homolog Mus musculus 18-22 34947972-5 2021 Here, we targeted KRAS, through inhibition of downstream c-RAF with GW5074, and MYC expression via difluoromethylornithine (DFMO). Eflornithine 99-122 myelocytomatosis oncogene Mus musculus 80-83 34947972-5 2021 Here, we targeted KRAS, through inhibition of downstream c-RAF with GW5074, and MYC expression via difluoromethylornithine (DFMO). Eflornithine 124-128 Kirsten rat sarcoma viral oncogene homolog Mus musculus 18-22 34947972-5 2021 Here, we targeted KRAS, through inhibition of downstream c-RAF with GW5074, and MYC expression via difluoromethylornithine (DFMO). Eflornithine 124-128 myelocytomatosis oncogene Mus musculus 80-83 34947972-9 2021 To further investigate, immunohistochemical staining showed DFMO diminished MYC expression and increased tumor infiltration of macrophages, CD86+ cells, CD4+ and CD8+ T lymphocytes. Eflornithine 60-64 myelocytomatosis oncogene Mus musculus 76-79 34947972-9 2021 To further investigate, immunohistochemical staining showed DFMO diminished MYC expression and increased tumor infiltration of macrophages, CD86+ cells, CD4+ and CD8+ T lymphocytes. Eflornithine 60-64 CD86 antigen Mus musculus 140-144 34947972-9 2021 To further investigate, immunohistochemical staining showed DFMO diminished MYC expression and increased tumor infiltration of macrophages, CD86+ cells, CD4+ and CD8+ T lymphocytes. Eflornithine 60-64 CD4 antigen Mus musculus 153-156 34947972-11 2021 Collectively, this study highlights that in contrast to GW5074, the inhibition of MYC through DFMO may be an effective treatment modality to modulate PDAC immunosuppression. Eflornithine 94-98 myelocytomatosis oncogene Mus musculus 82-85 34129075-3 2021 The ODC inhibitor alpha-difluoromethylornithine (DFMO, or Eflornithine) has been FDA-approved for the treatment of trypanosomiasis and hirsutism and has advanced to clinical cancer trials including NB as well as cancer-unrelated human diseases. Eflornithine 18-47 ornithine decarboxylase 1 Homo sapiens 4-7 34129075-3 2021 The ODC inhibitor alpha-difluoromethylornithine (DFMO, or Eflornithine) has been FDA-approved for the treatment of trypanosomiasis and hirsutism and has advanced to clinical cancer trials including NB as well as cancer-unrelated human diseases. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 4-7 34129075-3 2021 The ODC inhibitor alpha-difluoromethylornithine (DFMO, or Eflornithine) has been FDA-approved for the treatment of trypanosomiasis and hirsutism and has advanced to clinical cancer trials including NB as well as cancer-unrelated human diseases. Eflornithine 58-70 ornithine decarboxylase 1 Homo sapiens 4-7 34129075-7 2021 RESULTS: The organic anion transport 1/3 (OAT 1/3) inhibitor probenecid reduces the renal clearance of DFMO and significantly increases the antitumor activity of DFMO in PDX of NB (P < 0.02). Eflornithine 103-107 solute carrier family 22 member 6 Homo sapiens 42-49 34129075-7 2021 RESULTS: The organic anion transport 1/3 (OAT 1/3) inhibitor probenecid reduces the renal clearance of DFMO and significantly increases the antitumor activity of DFMO in PDX of NB (P < 0.02). Eflornithine 162-166 solute carrier family 22 member 6 Homo sapiens 42-49 34129075-8 2021 Excised tumors revealed that DFMO/probenecid treatment decreases polyamines putrescine and spermidine, reduces MYCN protein levels and dephosphorylates retinoblastoma (Rb) protein (p-RbSer795), suggesting DFMO/probenecid-induced cell cycle arrest. Eflornithine 29-33 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 111-115 34129075-8 2021 Excised tumors revealed that DFMO/probenecid treatment decreases polyamines putrescine and spermidine, reduces MYCN protein levels and dephosphorylates retinoblastoma (Rb) protein (p-RbSer795), suggesting DFMO/probenecid-induced cell cycle arrest. Eflornithine 29-33 RB transcriptional corepressor 1 Homo sapiens 152-171 34129075-8 2021 Excised tumors revealed that DFMO/probenecid treatment decreases polyamines putrescine and spermidine, reduces MYCN protein levels and dephosphorylates retinoblastoma (Rb) protein (p-RbSer795), suggesting DFMO/probenecid-induced cell cycle arrest. Eflornithine 205-209 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 111-115 34129075-8 2021 Excised tumors revealed that DFMO/probenecid treatment decreases polyamines putrescine and spermidine, reduces MYCN protein levels and dephosphorylates retinoblastoma (Rb) protein (p-RbSer795), suggesting DFMO/probenecid-induced cell cycle arrest. Eflornithine 205-209 RB transcriptional corepressor 1 Homo sapiens 152-171 34529197-8 2021 Inhibitor of polyamine synthesis (difluoromethylornithine, DFMO, 5 mM) was quite effective in suppressing HG-mediated cell proliferation and ODC activity in MDA-MB-231 and MCF-10A cells. Eflornithine 34-57 ornithine decarboxylase 1 Homo sapiens 141-144 34529197-8 2021 Inhibitor of polyamine synthesis (difluoromethylornithine, DFMO, 5 mM) was quite effective in suppressing HG-mediated cell proliferation and ODC activity in MDA-MB-231 and MCF-10A cells. Eflornithine 59-63 ornithine decarboxylase 1 Homo sapiens 141-144 34133404-7 2021 Taken together, these data suggest that DFMO might represent a potential immunomodulatory agent that can enhance current PD-1-based checkpoint therapies. Eflornithine 40-44 programmed cell death 1 Homo sapiens 121-125 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 196-208 ornithine decarboxylase 1 Homo sapiens 95-118 34744477-7 2021 PGE3 exposure enhanced the level of c-Myc, RhoA and Cdk2 proteins, and reversed the inhibition of these proteins expression induced by DFMO. Eflornithine 135-139 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 36-41 34744477-7 2021 PGE3 exposure enhanced the level of c-Myc, RhoA and Cdk2 proteins, and reversed the inhibition of these proteins expression induced by DFMO. Eflornithine 135-139 ras homolog family member A Rattus norvegicus 43-47 34744477-7 2021 PGE3 exposure enhanced the level of c-Myc, RhoA and Cdk2 proteins, and reversed the inhibition of these proteins expression induced by DFMO. Eflornithine 135-139 cyclin dependent kinase 2 Rattus norvegicus 52-56 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 196-208 ornithine decarboxylase 1 Homo sapiens 120-124 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 196-208 ornithine decarboxylase 1 Homo sapiens 181-184 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 210-233 ornithine decarboxylase 1 Homo sapiens 95-118 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 210-233 ornithine decarboxylase 1 Homo sapiens 120-124 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 210-233 ornithine decarboxylase 1 Homo sapiens 181-184 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 235-239 ornithine decarboxylase 1 Homo sapiens 95-118 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 235-239 ornithine decarboxylase 1 Homo sapiens 120-124 34376808-2 2021 We studied 94 variants in 54 genes for association with gastric cancer, including rs2302615 in ornithine decarboxylase (ODC1), which may affect response to chemoprevention with the ODC inhibitor, eflornithine (difluoromethylornithine; DFMO). Eflornithine 235-239 ornithine decarboxylase 1 Homo sapiens 181-184 34376808-8 2021 In conclusion, the ODC1 variant, rs2302615, is associated with gastric cancer and supports chemoprevention trials with DFMO, particularly in individuals homozygous for the T allele at rs1927914. Eflornithine 119-123 ornithine decarboxylase 1 Homo sapiens 19-23 34638596-7 2021 Additionally, significant changes in Bcl-2, Bcl-xL, Bax protein levels, activation of caspase-3, and cleavage of poly (ADP-ribose) polymerase were observed, indicating the apoptotic effects of DFMO. Eflornithine 193-197 BCL2 associated X, apoptosis regulator Homo sapiens 52-55 34638596-7 2021 Additionally, significant changes in Bcl-2, Bcl-xL, Bax protein levels, activation of caspase-3, and cleavage of poly (ADP-ribose) polymerase were observed, indicating the apoptotic effects of DFMO. Eflornithine 193-197 caspase 3 Homo sapiens 86-95 34638596-7 2021 Additionally, significant changes in Bcl-2, Bcl-xL, Bax protein levels, activation of caspase-3, and cleavage of poly (ADP-ribose) polymerase were observed, indicating the apoptotic effects of DFMO. Eflornithine 193-197 poly(ADP-ribose) polymerase 1 Homo sapiens 113-141 34638596-8 2021 We also found that the effect of DFMO was mediated by AP-1 through the activation of upstream JNK via phosphorylation. Eflornithine 33-37 FosB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 54-58 34638596-8 2021 We also found that the effect of DFMO was mediated by AP-1 through the activation of upstream JNK via phosphorylation. Eflornithine 33-37 mitogen-activated protein kinase 8 Homo sapiens 94-97 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 117-146 ornithine decarboxylase 1 Homo sapiens 0-3 34638596-0 2021 Difluoromethylornithine Induces Apoptosis through Regulation of AP-1 Signaling via JNK Phosphorylation in Epithelial Ovarian Cancer. Eflornithine 0-23 FosB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 64-68 34638596-0 2021 Difluoromethylornithine Induces Apoptosis through Regulation of AP-1 Signaling via JNK Phosphorylation in Epithelial Ovarian Cancer. Eflornithine 0-23 mitogen-activated protein kinase 8 Homo sapiens 83-86 34638596-1 2021 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), has promising activity against various cancers and a tolerable safety profile for long-term use as a chemopreventive agent. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 61-84 34638596-1 2021 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), has promising activity against various cancers and a tolerable safety profile for long-term use as a chemopreventive agent. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 86-89 34638596-1 2021 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), has promising activity against various cancers and a tolerable safety profile for long-term use as a chemopreventive agent. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 61-84 34638596-1 2021 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), has promising activity against various cancers and a tolerable safety profile for long-term use as a chemopreventive agent. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 86-89 34638596-5 2021 DFMO treatment inhibited the activity and downregulated the expression of ODC in ovarian cancer cells. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 74-77 34638596-7 2021 Additionally, significant changes in Bcl-2, Bcl-xL, Bax protein levels, activation of caspase-3, and cleavage of poly (ADP-ribose) polymerase were observed, indicating the apoptotic effects of DFMO. Eflornithine 193-197 BCL2 apoptosis regulator Homo sapiens 37-42 34638596-7 2021 Additionally, significant changes in Bcl-2, Bcl-xL, Bax protein levels, activation of caspase-3, and cleavage of poly (ADP-ribose) polymerase were observed, indicating the apoptotic effects of DFMO. Eflornithine 193-197 BCL2 like 1 Homo sapiens 44-50 34067619-8 2021 Analysis of intracellular DFMO after withdrawal from growth medium showed residual DFMO in the cells with concomitant decreases in polyamine content, ODC protein level, and cell growth. Eflornithine 26-30 ornithine decarboxylase 1 Homo sapiens 150-153 34067619-8 2021 Analysis of intracellular DFMO after withdrawal from growth medium showed residual DFMO in the cells with concomitant decreases in polyamine content, ODC protein level, and cell growth. Eflornithine 83-87 ornithine decarboxylase 1 Homo sapiens 150-153 34252566-3 2021 Cancer cell growth can be inhibited by the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO) which inhibits ornithine decarboxylase (ODC), the rate-limiting enzyme in the polyamine biosynthesis pathway. Eflornithine 76-99 ornithine decarboxylase 1 Homo sapiens 122-145 34252566-3 2021 Cancer cell growth can be inhibited by the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO) which inhibits ornithine decarboxylase (ODC), the rate-limiting enzyme in the polyamine biosynthesis pathway. Eflornithine 76-99 ornithine decarboxylase 1 Homo sapiens 147-150 34252566-3 2021 Cancer cell growth can be inhibited by the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO) which inhibits ornithine decarboxylase (ODC), the rate-limiting enzyme in the polyamine biosynthesis pathway. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 122-145 34252566-3 2021 Cancer cell growth can be inhibited by the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO) which inhibits ornithine decarboxylase (ODC), the rate-limiting enzyme in the polyamine biosynthesis pathway. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 147-150 34282722-0 2021 Repurposing eflornithine to treat a patient with a rare ODC1 gain-of-function variant disease. Eflornithine 12-24 ornithine decarboxylase 1 Homo sapiens 56-60 34206987-7 2021 A pronounced stimulation of cell proliferation and interferon-gamma (IFN-gamma) secretion in response to concanavalin A was shown for antioxidant N-acetylcysteine (NAC), polyamine biosynthesis inhibitor 2-difluoromethylornithine (DFMO), and TLR9 agonist CpG ODN 1826 (CpG). Eflornithine 203-228 interferon gamma Homo sapiens 51-67 34206987-7 2021 A pronounced stimulation of cell proliferation and interferon-gamma (IFN-gamma) secretion in response to concanavalin A was shown for antioxidant N-acetylcysteine (NAC), polyamine biosynthesis inhibitor 2-difluoromethylornithine (DFMO), and TLR9 agonist CpG ODN 1826 (CpG). Eflornithine 203-228 interferon gamma Homo sapiens 69-78 34206987-7 2021 A pronounced stimulation of cell proliferation and interferon-gamma (IFN-gamma) secretion in response to concanavalin A was shown for antioxidant N-acetylcysteine (NAC), polyamine biosynthesis inhibitor 2-difluoromethylornithine (DFMO), and TLR9 agonist CpG ODN 1826 (CpG). Eflornithine 230-234 interferon gamma Homo sapiens 51-67 34206987-7 2021 A pronounced stimulation of cell proliferation and interferon-gamma (IFN-gamma) secretion in response to concanavalin A was shown for antioxidant N-acetylcysteine (NAC), polyamine biosynthesis inhibitor 2-difluoromethylornithine (DFMO), and TLR9 agonist CpG ODN 1826 (CpG). Eflornithine 230-234 interferon gamma Homo sapiens 69-78 34206987-10 2021 NAC and DFMO suppressed NO and interleukin 10 (IL-10) production by splenocytes, while DFMO increased the levels of IL-12. Eflornithine 8-12 interleukin 10 Homo sapiens 31-45 34206987-10 2021 NAC and DFMO suppressed NO and interleukin 10 (IL-10) production by splenocytes, while DFMO increased the levels of IL-12. Eflornithine 8-12 interleukin 10 Homo sapiens 47-52 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 117-146 MYC proto-oncogene, bHLH transcription factor Homo sapiens 9-12 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 117-146 ornithine decarboxylase 1 Homo sapiens 163-166 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 148-152 ornithine decarboxylase 1 Homo sapiens 0-3 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 148-152 MYC proto-oncogene, bHLH transcription factor Homo sapiens 9-12 35100927-3 2022 ODC is a MYC target gene and rate-limiting enzyme of polyamine biosynthesis and the FDA-approved anti-protozoan drug alpha-difluoromethylornithine (DFMO) inhibits ODC activity and induces polyamine depletion that leads to tumor growth arrest. Eflornithine 148-152 ornithine decarboxylase 1 Homo sapiens 163-166 35100927-5 2022 We show that the eIF5A1 is significantly upregulated in EC cells compared to control cells (p = 0.000038) and that combined pharmacological targeting of ODC and eIF5A hypusination with cytostatic drugs DFMO and N1-guanyl-1,7-diaminoheptane (GC7), respectively, reduces eIF5A1 activation and synergistically induces apoptosis in EC cells. Eflornithine 202-206 eukaryotic translation initiation factor 5A Homo sapiens 17-23 35100927-5 2022 We show that the eIF5A1 is significantly upregulated in EC cells compared to control cells (p = 0.000038) and that combined pharmacological targeting of ODC and eIF5A hypusination with cytostatic drugs DFMO and N1-guanyl-1,7-diaminoheptane (GC7), respectively, reduces eIF5A1 activation and synergistically induces apoptosis in EC cells. Eflornithine 202-206 ornithine decarboxylase 1 Homo sapiens 153-156 35100927-5 2022 We show that the eIF5A1 is significantly upregulated in EC cells compared to control cells (p = 0.000038) and that combined pharmacological targeting of ODC and eIF5A hypusination with cytostatic drugs DFMO and N1-guanyl-1,7-diaminoheptane (GC7), respectively, reduces eIF5A1 activation and synergistically induces apoptosis in EC cells. Eflornithine 202-206 eukaryotic translation initiation factor 5A Homo sapiens 161-166 35100927-5 2022 We show that the eIF5A1 is significantly upregulated in EC cells compared to control cells (p = 0.000038) and that combined pharmacological targeting of ODC and eIF5A hypusination with cytostatic drugs DFMO and N1-guanyl-1,7-diaminoheptane (GC7), respectively, reduces eIF5A1 activation and synergistically induces apoptosis in EC cells. Eflornithine 202-206 eukaryotic translation initiation factor 5A Homo sapiens 269-275 2505959-3 1989 DFMO is an irreversible inhibitor of ornithine decarboxylase, a rate-limiting step in polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 35541910-8 2022 By treating the MTAP-repressing BC cells with specific ODC inhibitor Difluoromethylornithine (DFMO) or treating the MTAP-overexpressing BC cells with additional putrescine, metastasis-promoting or -suppressing phenotype of these MTAP-manipulated cells was significantly reversed, respectively. Eflornithine 69-92 ornithine decarboxylase 1 Homo sapiens 55-58 35541910-8 2022 By treating the MTAP-repressing BC cells with specific ODC inhibitor Difluoromethylornithine (DFMO) or treating the MTAP-overexpressing BC cells with additional putrescine, metastasis-promoting or -suppressing phenotype of these MTAP-manipulated cells was significantly reversed, respectively. Eflornithine 94-98 ornithine decarboxylase 1 Homo sapiens 55-58 2511847-2 1989 Our previous studies have shown that generalized polyamine depletion of the human colon cancer cell line COLO 320 by 2-difluoromethylornithine is associated with decreased transcription of the c-myc, c-fos, and ornithine decarboxylase (ODC) genes. Eflornithine 117-142 MYC proto-oncogene, bHLH transcription factor Homo sapiens 193-198 2511847-2 1989 Our previous studies have shown that generalized polyamine depletion of the human colon cancer cell line COLO 320 by 2-difluoromethylornithine is associated with decreased transcription of the c-myc, c-fos, and ornithine decarboxylase (ODC) genes. Eflornithine 117-142 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 200-205 2511847-6 1989 Furthermore, ODC mRNA levels are increased when all polyamines are decreased by DFMO, but are unaffected by a selective reduction in intracellular spermidine levels by AdoDATO. Eflornithine 80-84 ornithine decarboxylase 1 Homo sapiens 13-16 2790802-14 1989 Addition of either CaCl2 (2 mumol/ml) or difluoromethylornithine (2 nmol/ml) the irreversible inhibitor of ODC, significantly suppressed the methylazoxymethanol-induced activity of both ODC and Tyr-k. We conclude that calcium may have a chemoprotective role and tyrosine kinases may have a regulatory role in the early stages of AOM induction of colon cancer. Eflornithine 41-64 ornithine decarboxylase 1 Rattus norvegicus 107-110 2790802-14 1989 Addition of either CaCl2 (2 mumol/ml) or difluoromethylornithine (2 nmol/ml) the irreversible inhibitor of ODC, significantly suppressed the methylazoxymethanol-induced activity of both ODC and Tyr-k. We conclude that calcium may have a chemoprotective role and tyrosine kinases may have a regulatory role in the early stages of AOM induction of colon cancer. Eflornithine 41-64 ornithine decarboxylase 1 Rattus norvegicus 186-189 35209071-6 2022 The obtained results showed that UA significantly inhibited the adhesion and migration of MCF-7/ADR cells, and had higher affinities with key active cavity residues of ODC compared to the known inhibitor di-fluoro-methyl-ornithine (DFMO). Eflornithine 232-236 ornithine decarboxylase 1 Homo sapiens 168-171 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 70-93 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 0-23 Fas (TNF receptor superfamily member 6) Mus musculus 267-270 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 0-23 Fas (TNF receptor superfamily member 6) Mus musculus 271-274 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 70-93 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 25-29 Fas (TNF receptor superfamily member 6) Mus musculus 267-270 12412756-1 1989 Difluoromethylornithine (DFMO), an experimental drug that inactivates ornithine decarboxylase and thus reduces the production of polyamines has a beneficial effect on the mean survival time and the clinical and laboratory manifestations of murine lupus in female MRL-lpr/lpr mice. Eflornithine 25-29 Fas (TNF receptor superfamily member 6) Mus musculus 271-274 2600452-1 1989 The effect of cyclosporine A (CsA) and alpha-difluoromethylornithine (DFMO) on the camostate-induced increase in pancreatic ornithine decarboxylase (ODC) activity and polyamine biosynthesis has been studied in vivo. Eflornithine 39-68 ornithine decarboxylase 1 Rattus norvegicus 124-147 2479558-2 1989 alpha-difluoromethylornithine, an irreversible and specific inhibitor of ornithine decarboxylase, was applied simultaneously to elucidate the essential role of polyamines in pancreatic growth. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 73-96 2479558-5 1989 alpha-difluoromethylornithine significantly delayed the increase in ornithine decarboxylase, putrescine and spermidine as well as all trophic parameters. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 68-91 2558942-5 1989 ODC activity in control and treated mucosal extracts was inhibited by the specific ODC inhibitor difluoromethylornithine. Eflornithine 97-120 ornithine decarboxylase 1 Sus scrofa 0-3 2558942-5 1989 ODC activity in control and treated mucosal extracts was inhibited by the specific ODC inhibitor difluoromethylornithine. Eflornithine 97-120 ornithine decarboxylase 1 Sus scrofa 83-86 2504484-8 1989 To determine the role of polyamine synthesis in affecting the severity of radiation damage in the large intestine, difluoromethylornithine, an ornithine decarboxylase inhibitor, was administered in the drinking water of the animals 24 h prior to and following radiation treatment. Eflornithine 115-138 ornithine decarboxylase, structural 1 Mus musculus 143-166 2600452-5 1989 DFMO (2% in drinking water and additionally 300 mg/kg b wt intraperitoneally at 8 AM, 12 noon, and 4 PM) inhibited the increase in both, ODC activity, and putrescine, significantly in an equipotent degree as 2.5 mg CsA/kg b wt, whereas higher doses of CsA proved to be more effective than DFMO in the chosen subtoxic dose. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 137-140 2560478-5 1989 Ileal Na+/H+ activity was therefore examined in control, fasted, refed fasted, and in rats given the specific inhibitor of ornithine decarboxylase alpha-difluoromethylornithine. Eflornithine 147-176 ornithine decarboxylase 1 Rattus norvegicus 123-146 2515533-0 1989 The enzyme-activated irreversible inhibitor of ornithine decarboxylase, DL-alpha-difluoromethylornithine: a chemopreventive agent. Eflornithine 72-104 ornithine decarboxylase 1 Homo sapiens 47-70 2515533-1 1989 DL-alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of mammalian ornithine decarboxylase. Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 99-122 2515533-1 1989 DL-alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of mammalian ornithine decarboxylase. Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 99-122 2600452-1 1989 The effect of cyclosporine A (CsA) and alpha-difluoromethylornithine (DFMO) on the camostate-induced increase in pancreatic ornithine decarboxylase (ODC) activity and polyamine biosynthesis has been studied in vivo. Eflornithine 70-74 ornithine decarboxylase 1 Rattus norvegicus 124-147 2483473-10 1989 Difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, inhibited growth induced by both TPA and TSH in putrescine-free medium. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 49-72 2479085-2 1989 The effect of an inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO), on rat pancreatic protein secretion and synthesis and on growth in response to hormonal stimulation was therefore studied. Eflornithine 92-96 ornithine decarboxylase 1 Rattus norvegicus 55-58 2616547-14 1989 The ornithine decarboxylase inhibitor, alpha-difluoromethylornithine, significantly inhibited growth even at low concentrations. Eflornithine 39-68 ornithine decarboxylase 1 Homo sapiens 4-27 2501317-9 1989 The addition of exogenous putrescine concomitantly with EGF blocked the induction of ODC, while in the presence of difluoromethylornithine (DFMO) (irreversible inhibitor of ODC) the initial rate of putrescine transport remained elevated throughout the time course studied. Eflornithine 115-138 ornithine decarboxylase, structural 1 Mus musculus 173-176 2501317-9 1989 The addition of exogenous putrescine concomitantly with EGF blocked the induction of ODC, while in the presence of difluoromethylornithine (DFMO) (irreversible inhibitor of ODC) the initial rate of putrescine transport remained elevated throughout the time course studied. Eflornithine 140-144 ornithine decarboxylase, structural 1 Mus musculus 173-176 2501317-11 1989 EGF"s ability to stimulate cellular DNA synthesis was inhibited by DFMO. Eflornithine 67-71 epidermal growth factor Mus musculus 0-3 2501317-12 1989 If DFMO-treated cells were stimulated with EGF in the presence of exogenous putrescine, this stimulatory effect was preserved. Eflornithine 3-7 epidermal growth factor Mus musculus 43-46 2479085-5 1989 The ODC activity in the pancreas was markedly reduced by DFMO, but DFMO did not affect pancreatic juice volume or protein output. Eflornithine 57-61 ornithine decarboxylase 1 Rattus norvegicus 4-7 2479085-7 1989 The ODC activity and putrescine concentration in the pancreas were significantly reduced by DFMO at 8 and 24 h but not at 48 h. DFMO also significantly reduced the activities of RNA polymerase, DNA polymerase, and thymidine kinase at 24 h, but not at 48 h. The present study thus indicates that polyamines play a role in the initiation of the growth response to hormonal stimulation but does not support a similar dependence for early pancreatic protein synthetic and secretory responses. Eflornithine 92-96 ornithine decarboxylase 1 Rattus norvegicus 4-7 2479085-7 1989 The ODC activity and putrescine concentration in the pancreas were significantly reduced by DFMO at 8 and 24 h but not at 48 h. DFMO also significantly reduced the activities of RNA polymerase, DNA polymerase, and thymidine kinase at 24 h, but not at 48 h. The present study thus indicates that polyamines play a role in the initiation of the growth response to hormonal stimulation but does not support a similar dependence for early pancreatic protein synthetic and secretory responses. Eflornithine 128-132 ornithine decarboxylase 1 Rattus norvegicus 4-7 2507897-0 1989 [Antitumor effect of alpha-difluoromethylornithine (DFMO) changes in ornithine decarboxylase (ODC) activity and polyamine (PA) levels in human tumor transplanted into nude mice]. Eflornithine 21-50 ornithine decarboxylase 1 Homo sapiens 69-92 2505399-1 1989 DFMO (alpha-difluoromethylornithine) is a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, which in turn control macromolecule synthesis during cell proliferation. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 77-100 2505399-1 1989 DFMO (alpha-difluoromethylornithine) is a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, which in turn control macromolecule synthesis during cell proliferation. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 102-105 2505399-1 1989 DFMO (alpha-difluoromethylornithine) is a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, which in turn control macromolecule synthesis during cell proliferation. Eflornithine 6-35 ornithine decarboxylase 1 Rattus norvegicus 77-100 2505399-1 1989 DFMO (alpha-difluoromethylornithine) is a specific irreversible inhibitor of ornithine decarboxylase (ODC), a key enzyme in the biosynthesis of polyamines, which in turn control macromolecule synthesis during cell proliferation. Eflornithine 6-35 ornithine decarboxylase 1 Rattus norvegicus 102-105 2504519-1 1989 The objective of the present investigation was to examine the effect of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, in combination with the immunosuppressant cyclosporin A (CsA) on cytolytic T lymphocytes (CTL) induction in vitro and in vivo. Eflornithine 72-101 ornithine decarboxylase 1 Homo sapiens 139-162 2504519-1 1989 The objective of the present investigation was to examine the effect of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, in combination with the immunosuppressant cyclosporin A (CsA) on cytolytic T lymphocytes (CTL) induction in vitro and in vivo. Eflornithine 103-107 ornithine decarboxylase 1 Homo sapiens 139-162 2504519-9 1989 CsA treatment with or without DFMO did reduce detectable levels of interleukin 2 (IL-2) activity. Eflornithine 30-34 interleukin 2 Homo sapiens 67-80 2504519-9 1989 CsA treatment with or without DFMO did reduce detectable levels of interleukin 2 (IL-2) activity. Eflornithine 30-34 interleukin 2 Homo sapiens 82-86 2504519-11 1989 These results indicate that CsA and DFMO may inhibit different processes required for CTL induction, IL-2 production and polyamine biosynthesis. Eflornithine 36-40 interleukin 2 Homo sapiens 101-105 2493096-4 1989 Continuous oral administration of DFMO at 1% (approximately 8 mg/g body wt/wk) and 0.25% (approximately 2 mg/g body wt/wk) produced 93% inhibition of ODC induction by AOM in the right and left colons throughout the study. Eflornithine 34-38 ornithine decarboxylase 1 Rattus norvegicus 150-153 2493979-4 1989 When tested at comparable cell density, the two cell lines had similar levels of ODC activity and PA. Administration of DFMO (0.01, 0.1, 1, 4 mM) for 6 days caused a similar dose-dependent inhibition of proliferation (up to approximately 15% of control) associated with suppression of ODC activity to undetectable levels at the highest dose. Eflornithine 120-124 ornithine decarboxylase 1 Homo sapiens 81-84 2493979-4 1989 When tested at comparable cell density, the two cell lines had similar levels of ODC activity and PA. Administration of DFMO (0.01, 0.1, 1, 4 mM) for 6 days caused a similar dose-dependent inhibition of proliferation (up to approximately 15% of control) associated with suppression of ODC activity to undetectable levels at the highest dose. Eflornithine 120-124 ornithine decarboxylase 1 Homo sapiens 285-288 2493979-7 1989 In detailed time-course studies, DFMO administration (0.1 mM) similarly suppressed by 80% the rise in ODC observed in both cell lines following a medium change. Eflornithine 33-37 ornithine decarboxylase 1 Homo sapiens 102-105 2499305-2 1989 In all but one of these cell lines the resistance to DFMO was based on an overproduction of ODC. Eflornithine 53-57 ornithine decarboxylase 1 Homo sapiens 92-95 2538226-7 1989 Prostaglandin E and leukotriene (LTB4) syntheses, ODC activity and mammary tumorigenesis were significantly inhibited by feeding the diet containing menhaden oil or by adding 0.5% DFMO to any of the high fat diets. Eflornithine 180-184 ornithine decarboxylase 1 Rattus norvegicus 50-53 2646950-5 1989 Nevertheless, inhibition of ODC with difluoromethylornithine blocks the growth response. Eflornithine 37-60 ornithine decarboxylase 1 Rattus norvegicus 28-31 2496768-1 1989 It was established that difluoromethylornithine (DFMO) and methylglyoxal-bis(guanylhydrazone) blocked the mitogenic response of hepatocytes to epidermal growth factor. Eflornithine 24-47 epidermal growth factor Homo sapiens 143-166 2496768-1 1989 It was established that difluoromethylornithine (DFMO) and methylglyoxal-bis(guanylhydrazone) blocked the mitogenic response of hepatocytes to epidermal growth factor. Eflornithine 49-53 epidermal growth factor Homo sapiens 143-166 2537154-7 1989 The specific, irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocked the testosterone-evoked increase in ODC activity and polyamine levels and the stimulation of Ca2+ fluxes, endocytosis, hexose transport, and amino acid transport. Eflornithine 41-70 ornithine decarboxylase 1 Rattus norvegicus 27-30 2537154-7 1989 The specific, irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocked the testosterone-evoked increase in ODC activity and polyamine levels and the stimulation of Ca2+ fluxes, endocytosis, hexose transport, and amino acid transport. Eflornithine 41-70 ornithine decarboxylase 1 Rattus norvegicus 131-134 2537154-7 1989 The specific, irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocked the testosterone-evoked increase in ODC activity and polyamine levels and the stimulation of Ca2+ fluxes, endocytosis, hexose transport, and amino acid transport. Eflornithine 72-76 ornithine decarboxylase 1 Rattus norvegicus 27-30 2537154-7 1989 The specific, irreversible ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocked the testosterone-evoked increase in ODC activity and polyamine levels and the stimulation of Ca2+ fluxes, endocytosis, hexose transport, and amino acid transport. Eflornithine 72-76 ornithine decarboxylase 1 Rattus norvegicus 131-134 2537154-8 1989 Putrescine (0.5-1 mM), the ODC product, reversed DFMO inhibition and restored the increase in polyamines, 45Ca fluxes, and Ca2+-dependent membrane transport processes. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 27-30 2495941-1 1989 Contrary to previous findings, ornithine decarboxylase (ODC) was stabilized by treatment of cells with DL-alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ODC. Eflornithine 103-135 ornithine decarboxylase 1 Homo sapiens 31-54 2495941-1 1989 Contrary to previous findings, ornithine decarboxylase (ODC) was stabilized by treatment of cells with DL-alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ODC. Eflornithine 103-135 ornithine decarboxylase 1 Homo sapiens 56-59 2495941-1 1989 Contrary to previous findings, ornithine decarboxylase (ODC) was stabilized by treatment of cells with DL-alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ODC. Eflornithine 103-135 ornithine decarboxylase 1 Homo sapiens 183-186 2924752-3 1989 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits squamous metaplasia caused by asbestos or vitamin A deficiency, whereas addition of methylglyoxal bis(guanylhydrazone) (MGBG), a structural analog of spermidine and inhibitor of S-adenosylmethionine decarboxylase, causes an enhancement of metaplasia under both circumstances. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 92-95 2924752-3 1989 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits squamous metaplasia caused by asbestos or vitamin A deficiency, whereas addition of methylglyoxal bis(guanylhydrazone) (MGBG), a structural analog of spermidine and inhibitor of S-adenosylmethionine decarboxylase, causes an enhancement of metaplasia under both circumstances. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 92-95 2493197-3 1989 Polyamines appeared to be necessary for the proliferation of these cells, as growth was completely inhibited by the addition of 5 mM difluoromethylornithine, a specific inhibitor of ODC, to the media. Eflornithine 133-156 ornithine decarboxylase 1 Homo sapiens 182-185 2475032-6 1989 DL-alpha-Difluoromethylornithine (DFMO, a specific ODC inhibitor) prevented the increase in ODC in both tissues and increased the loss of DNA and RNA from duodenal mucosa. Eflornithine 0-32 ornithine decarboxylase 1 Rattus norvegicus 51-54 2475032-6 1989 DL-alpha-Difluoromethylornithine (DFMO, a specific ODC inhibitor) prevented the increase in ODC in both tissues and increased the loss of DNA and RNA from duodenal mucosa. Eflornithine 0-32 ornithine decarboxylase 1 Rattus norvegicus 92-95 2475032-6 1989 DL-alpha-Difluoromethylornithine (DFMO, a specific ODC inhibitor) prevented the increase in ODC in both tissues and increased the loss of DNA and RNA from duodenal mucosa. Eflornithine 34-38 ornithine decarboxylase 1 Rattus norvegicus 51-54 2475032-6 1989 DL-alpha-Difluoromethylornithine (DFMO, a specific ODC inhibitor) prevented the increase in ODC in both tissues and increased the loss of DNA and RNA from duodenal mucosa. Eflornithine 34-38 ornithine decarboxylase 1 Rattus norvegicus 92-95 2500977-1 1989 LLC-PK1 cells were brought to a quiescent state by treatment with DL-2-difluoromethylornithine (DFMO), a specific inhibitor of L-ornithine decarboxylase (ODC). Eflornithine 96-100 ornithine decarboxylase 1 Sus scrofa 127-152 2500977-1 1989 LLC-PK1 cells were brought to a quiescent state by treatment with DL-2-difluoromethylornithine (DFMO), a specific inhibitor of L-ornithine decarboxylase (ODC). Eflornithine 96-100 ornithine decarboxylase 1 Sus scrofa 154-157 2499419-2 1989 In these experiments, we evaluated the individual and combined effects of the polyamine biosynthesis inhibitor alpha-difluoromethylornithine (DFMO) and ovariectomy on the growth and cellular levels of ornithine decarboxylase (ODC) and polyamines of N-nitrosomethylurea-induced rat mammary tumors. Eflornithine 111-140 ornithine decarboxylase 1 Rattus norvegicus 201-224 2499419-2 1989 In these experiments, we evaluated the individual and combined effects of the polyamine biosynthesis inhibitor alpha-difluoromethylornithine (DFMO) and ovariectomy on the growth and cellular levels of ornithine decarboxylase (ODC) and polyamines of N-nitrosomethylurea-induced rat mammary tumors. Eflornithine 111-140 ornithine decarboxylase 1 Rattus norvegicus 226-229 2499419-2 1989 In these experiments, we evaluated the individual and combined effects of the polyamine biosynthesis inhibitor alpha-difluoromethylornithine (DFMO) and ovariectomy on the growth and cellular levels of ornithine decarboxylase (ODC) and polyamines of N-nitrosomethylurea-induced rat mammary tumors. Eflornithine 142-146 ornithine decarboxylase 1 Rattus norvegicus 201-224 2507471-2 1989 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 69-92 2507471-2 1989 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 94-97 2507471-2 1989 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 69-92 2507471-2 1989 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 94-97 2499956-5 1989 Mitogenic responses of cultures containing the potent ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were also inhibited in a time and dose dependent fashion. Eflornithine 94-123 ornithine decarboxylase 1 Homo sapiens 54-77 2499956-5 1989 Mitogenic responses of cultures containing the potent ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were also inhibited in a time and dose dependent fashion. Eflornithine 94-123 ornithine decarboxylase 1 Homo sapiens 79-82 2499956-5 1989 Mitogenic responses of cultures containing the potent ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were also inhibited in a time and dose dependent fashion. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 54-77 2499956-5 1989 Mitogenic responses of cultures containing the potent ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were also inhibited in a time and dose dependent fashion. Eflornithine 125-129 ornithine decarboxylase 1 Homo sapiens 79-82 2499956-6 1989 ODC activity, which was much greater in cultures stimulated with Con A than LPS, was markedly decreased by inclusion of diamine or DFMO in the culture medium. Eflornithine 131-135 ornithine decarboxylase 1 Homo sapiens 0-3 2525116-1 1989 Although treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) leads to depletion of intracellular polyamines and to related growth inhibition in vitro, its cytostatic effects in vivo are disappointing. Eflornithine 62-91 ornithine decarboxylase, structural 1 Mus musculus 28-51 2525116-1 1989 Although treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) leads to depletion of intracellular polyamines and to related growth inhibition in vitro, its cytostatic effects in vivo are disappointing. Eflornithine 93-97 ornithine decarboxylase, structural 1 Mus musculus 28-51 2498524-2 1989 It is reasoned that perturbation of a second regulatory element in polyamine biosynthesis, i.e., the generation of propylamine groups from S-adenosylmethionine (AdoMet), would potentiate the effectiveness of DFMO. Eflornithine 208-212 methionine adenosyltransferase 1A Rattus norvegicus 161-167 2548479-4 1989 The increase in SAT activity, after exposure to DDC or another stress (heat shock), was inhibited in cells depleted of putrescine and spermidine by alpha-difluoromethylornithine (DFMO), the enzyme-activated suicide inhibitor of ODC. Eflornithine 148-177 diamine acetyltransferase 1 Cricetulus griseus 16-19 2548479-4 1989 The increase in SAT activity, after exposure to DDC or another stress (heat shock), was inhibited in cells depleted of putrescine and spermidine by alpha-difluoromethylornithine (DFMO), the enzyme-activated suicide inhibitor of ODC. Eflornithine 179-183 diamine acetyltransferase 1 Cricetulus griseus 16-19 2502598-3 1989 injection of difluoromethylornithine (DFMO; 40-400 mg/kg), a specific inhibitor of the activity of ornithine decarboxylase, at 15.00 h on pro-oestrus had a differential effect on the rise in plasma concentrations of the various hormones thereafter. Eflornithine 13-36 ornithine decarboxylase 1 Rattus norvegicus 99-122 2502598-3 1989 injection of difluoromethylornithine (DFMO; 40-400 mg/kg), a specific inhibitor of the activity of ornithine decarboxylase, at 15.00 h on pro-oestrus had a differential effect on the rise in plasma concentrations of the various hormones thereafter. Eflornithine 38-42 ornithine decarboxylase 1 Rattus norvegicus 99-122 2547010-2 1989 The effect of difluoromethyl ornithine (DFMO), a specific inhibitor of ODC activity, on AVP-stimulated Na+ K+ ATPase activity was evaluated using a cytochemical bioassay. Eflornithine 14-38 ornithine decarboxylase 1 Rattus norvegicus 71-74 2547010-2 1989 The effect of difluoromethyl ornithine (DFMO), a specific inhibitor of ODC activity, on AVP-stimulated Na+ K+ ATPase activity was evaluated using a cytochemical bioassay. Eflornithine 40-44 ornithine decarboxylase 1 Rattus norvegicus 71-74 2498115-10 1989 A single dose of the ODC inhibitor DL-alpha-difluoromethylornithine given to infected rats or mice suppressed trypanosome ODC activity greater than 90% for more than 7 hr. Eflornithine 35-67 ornithine decarboxylase 1 Rattus norvegicus 21-24 2498115-10 1989 A single dose of the ODC inhibitor DL-alpha-difluoromethylornithine given to infected rats or mice suppressed trypanosome ODC activity greater than 90% for more than 7 hr. Eflornithine 35-67 ornithine decarboxylase, structural 1 Mus musculus 122-125 2497738-1 1989 The effects of chronic inhibition of ornithine decarboxylase (ODC) by the specific inhibitor difluoromethylornithine (DFMO) in the rat colon and small intestine on mucosal contents of polyamines, decarboxylated S-adenosylmethionine (decarboxylated AdoMet) and S-adenosylmethionine decarboxylase (AdoMet decarboxylase) activity were studied. Eflornithine 93-116 ornithine decarboxylase 1 Rattus norvegicus 37-60 2497738-1 1989 The effects of chronic inhibition of ornithine decarboxylase (ODC) by the specific inhibitor difluoromethylornithine (DFMO) in the rat colon and small intestine on mucosal contents of polyamines, decarboxylated S-adenosylmethionine (decarboxylated AdoMet) and S-adenosylmethionine decarboxylase (AdoMet decarboxylase) activity were studied. Eflornithine 93-116 ornithine decarboxylase 1 Rattus norvegicus 62-65 2497738-1 1989 The effects of chronic inhibition of ornithine decarboxylase (ODC) by the specific inhibitor difluoromethylornithine (DFMO) in the rat colon and small intestine on mucosal contents of polyamines, decarboxylated S-adenosylmethionine (decarboxylated AdoMet) and S-adenosylmethionine decarboxylase (AdoMet decarboxylase) activity were studied. Eflornithine 118-122 ornithine decarboxylase 1 Rattus norvegicus 37-60 2497738-1 1989 The effects of chronic inhibition of ornithine decarboxylase (ODC) by the specific inhibitor difluoromethylornithine (DFMO) in the rat colon and small intestine on mucosal contents of polyamines, decarboxylated S-adenosylmethionine (decarboxylated AdoMet) and S-adenosylmethionine decarboxylase (AdoMet decarboxylase) activity were studied. Eflornithine 118-122 ornithine decarboxylase 1 Rattus norvegicus 62-65 2497738-2 1989 Administration of 1% DFMO in the drinking water for 10 or 15 weeks resulted in inhibition of ODC and decreases in intracellular putrescine and spermidine contents in both proximal and distal segments of small intestine and colon. Eflornithine 21-25 ornithine decarboxylase 1 Rattus norvegicus 93-96 2501085-0 1989 Rearrangement between ornithine decarboxylase and the switch region of the gamma 1 immunoglobulin gene in alpha-difluoromethylornithine resistant mouse myeloma cells. Eflornithine 106-135 ornithine decarboxylase, structural 1 Mus musculus 22-45 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 78-107 ornithine decarboxylase, structural 1 Mus musculus 40-63 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 78-107 ornithine decarboxylase, structural 1 Mus musculus 65-68 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 78-107 ornithine decarboxylase, structural 1 Mus musculus 144-147 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 109-119 ornithine decarboxylase, structural 1 Mus musculus 40-63 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 109-119 ornithine decarboxylase, structural 1 Mus musculus 65-68 2501085-1 1989 We demonstrate here that the functional ornithine decarboxylase (ODC) gene of alpha-difluoromethylornithine (alpha-DFMO, a suicide inhibitor of ODC) resistant mouse myeloma 653-1 cells has been rearranged with the immunoglobulin heavy chain locus in a c-myc like manner. Eflornithine 109-119 ornithine decarboxylase, structural 1 Mus musculus 144-147 2494298-4 1989 Hyperosmolal mannitol in physiological buffer evoked a rapid (less than 15 s), concentration- and time-dependent increase in capillary ODC activity and an accumulation of putrescine and spermidine which was blocked by the specific ODC inhibitor, alpha-difluoromethylornithine (DFMO, 10 mM). Eflornithine 246-275 ornithine decarboxylase 1 Rattus norvegicus 231-234 2494298-4 1989 Hyperosmolal mannitol in physiological buffer evoked a rapid (less than 15 s), concentration- and time-dependent increase in capillary ODC activity and an accumulation of putrescine and spermidine which was blocked by the specific ODC inhibitor, alpha-difluoromethylornithine (DFMO, 10 mM). Eflornithine 277-281 ornithine decarboxylase 1 Rattus norvegicus 231-234 2494298-9 1989 This PMA effect was abolished by DFMO, suggesting involvement of rapid, ODC-controlled polyamine synthesis. Eflornithine 33-37 ornithine decarboxylase 1 Rattus norvegicus 72-75 2492471-0 1989 Downregulation of T cell growth factor production by ornithine decarboxylase and its product putrescine: D,L-alpha-difluoromethylornithine suppresses general protein synthesis but augments simultaneously the production of interleukin-2. Eflornithine 105-138 ornithine decarboxylase, structural 1 Mus musculus 53-76 2507897-0 1989 [Antitumor effect of alpha-difluoromethylornithine (DFMO) changes in ornithine decarboxylase (ODC) activity and polyamine (PA) levels in human tumor transplanted into nude mice]. Eflornithine 21-50 ornithine decarboxylase 1 Homo sapiens 94-97 2507897-0 1989 [Antitumor effect of alpha-difluoromethylornithine (DFMO) changes in ornithine decarboxylase (ODC) activity and polyamine (PA) levels in human tumor transplanted into nude mice]. Eflornithine 52-56 ornithine decarboxylase 1 Homo sapiens 69-92 2507897-0 1989 [Antitumor effect of alpha-difluoromethylornithine (DFMO) changes in ornithine decarboxylase (ODC) activity and polyamine (PA) levels in human tumor transplanted into nude mice]. Eflornithine 52-56 ornithine decarboxylase 1 Homo sapiens 94-97 2492471-0 1989 Downregulation of T cell growth factor production by ornithine decarboxylase and its product putrescine: D,L-alpha-difluoromethylornithine suppresses general protein synthesis but augments simultaneously the production of interleukin-2. Eflornithine 105-138 interleukin 2 Mus musculus 222-235 2507897-6 1989 The antitumor effects (the lowest value of TRW/CRW) of 2% DFMO against MX-1, Exp-42 and Co-3 were 4.83%, 35.8% and 73.4% respectively. Eflornithine 58-62 MX dynamin-like GTPase 1 Mus musculus 71-75 2492471-4 1989 Putrescine has rather a counter-regulatory effect as concluded from the observation that the TPA-induced TCGF production and IL-2-specific mRNA expression are augmented (superinduced) by the ODC inhibitor D,L-alpha-difluoromethylornithine (DFMO) and again suppressed after the administration of putrescine or polyamines to DFMO-treated cultures. Eflornithine 205-238 interleukin 2 Mus musculus 105-109 2492471-4 1989 Putrescine has rather a counter-regulatory effect as concluded from the observation that the TPA-induced TCGF production and IL-2-specific mRNA expression are augmented (superinduced) by the ODC inhibitor D,L-alpha-difluoromethylornithine (DFMO) and again suppressed after the administration of putrescine or polyamines to DFMO-treated cultures. Eflornithine 205-238 interleukin 2 Mus musculus 125-129 2507897-8 1989 With 2% DFMO, ODC and PUT levels were decreased to 16.4%, 2.89% of control in MX-1, 14.8%, 6.62% in Exp-42, 4.18%, 11.2% in Co-3 respectively. Eflornithine 8-12 ornithine decarboxylase, structural 1 Mus musculus 14-17 2492471-4 1989 Putrescine has rather a counter-regulatory effect as concluded from the observation that the TPA-induced TCGF production and IL-2-specific mRNA expression are augmented (superinduced) by the ODC inhibitor D,L-alpha-difluoromethylornithine (DFMO) and again suppressed after the administration of putrescine or polyamines to DFMO-treated cultures. Eflornithine 205-238 ornithine decarboxylase, structural 1 Mus musculus 191-194 2507897-8 1989 With 2% DFMO, ODC and PUT levels were decreased to 16.4%, 2.89% of control in MX-1, 14.8%, 6.62% in Exp-42, 4.18%, 11.2% in Co-3 respectively. Eflornithine 8-12 MX dynamin-like GTPase 1 Mus musculus 78-82 2494281-5 1989 The ODC response to AVP was totally blocked by specific antiserum to AVP and reduced by 70% with the specific inhibitor to ODC, difluoromethyl ornithine. Eflornithine 128-152 ornithine decarboxylase 1 Rattus norvegicus 4-7 2492471-4 1989 Putrescine has rather a counter-regulatory effect as concluded from the observation that the TPA-induced TCGF production and IL-2-specific mRNA expression are augmented (superinduced) by the ODC inhibitor D,L-alpha-difluoromethylornithine (DFMO) and again suppressed after the administration of putrescine or polyamines to DFMO-treated cultures. Eflornithine 240-244 ornithine decarboxylase, structural 1 Mus musculus 191-194 2492471-4 1989 Putrescine has rather a counter-regulatory effect as concluded from the observation that the TPA-induced TCGF production and IL-2-specific mRNA expression are augmented (superinduced) by the ODC inhibitor D,L-alpha-difluoromethylornithine (DFMO) and again suppressed after the administration of putrescine or polyamines to DFMO-treated cultures. Eflornithine 323-327 ornithine decarboxylase, structural 1 Mus musculus 191-194 2494758-1 1989 Eflornithine hydrochloride (DFMO) is a highly selective, enzyme-activated, irreversible inhibitor of the enzyme L-ornithine decarboxylase (ODC). Eflornithine 0-26 ornithine decarboxylase 1 Rattus norvegicus 112-137 2494758-1 1989 Eflornithine hydrochloride (DFMO) is a highly selective, enzyme-activated, irreversible inhibitor of the enzyme L-ornithine decarboxylase (ODC). Eflornithine 0-26 ornithine decarboxylase 1 Rattus norvegicus 139-142 2494758-1 1989 Eflornithine hydrochloride (DFMO) is a highly selective, enzyme-activated, irreversible inhibitor of the enzyme L-ornithine decarboxylase (ODC). Eflornithine 28-32 ornithine decarboxylase 1 Rattus norvegicus 112-137 2494758-1 1989 Eflornithine hydrochloride (DFMO) is a highly selective, enzyme-activated, irreversible inhibitor of the enzyme L-ornithine decarboxylase (ODC). Eflornithine 28-32 ornithine decarboxylase 1 Rattus norvegicus 139-142 2495841-6 1989 The specific ODC inhibitor alpha-difluoromethylornithine (DFMO) blocked the 1.6 M mannitol-induced increase in ODC activity and the accumulation of polyamines, and concurrently prevented BBB breakdown, monitored by transport of intravenously administered Evans blue and alpha-[3H]aminoisobutyrate into cerebral tissue. Eflornithine 27-56 ornithine decarboxylase 1 Homo sapiens 13-16 2495841-6 1989 The specific ODC inhibitor alpha-difluoromethylornithine (DFMO) blocked the 1.6 M mannitol-induced increase in ODC activity and the accumulation of polyamines, and concurrently prevented BBB breakdown, monitored by transport of intravenously administered Evans blue and alpha-[3H]aminoisobutyrate into cerebral tissue. Eflornithine 27-56 ornithine decarboxylase 1 Homo sapiens 111-114 2495841-6 1989 The specific ODC inhibitor alpha-difluoromethylornithine (DFMO) blocked the 1.6 M mannitol-induced increase in ODC activity and the accumulation of polyamines, and concurrently prevented BBB breakdown, monitored by transport of intravenously administered Evans blue and alpha-[3H]aminoisobutyrate into cerebral tissue. Eflornithine 58-62 ornithine decarboxylase 1 Homo sapiens 13-16 2495841-6 1989 The specific ODC inhibitor alpha-difluoromethylornithine (DFMO) blocked the 1.6 M mannitol-induced increase in ODC activity and the accumulation of polyamines, and concurrently prevented BBB breakdown, monitored by transport of intravenously administered Evans blue and alpha-[3H]aminoisobutyrate into cerebral tissue. Eflornithine 58-62 ornithine decarboxylase 1 Homo sapiens 111-114 2494281-5 1989 The ODC response to AVP was totally blocked by specific antiserum to AVP and reduced by 70% with the specific inhibitor to ODC, difluoromethyl ornithine. Eflornithine 128-152 ornithine decarboxylase 1 Rattus norvegicus 123-126 2495754-3 1989 Consequently, combined treatment of tumor-bearing animals with an inhibitor of ornithine decarboxylase (e.g. alpha-difluoromethylornithine) and polyamine oxidase (e.g. N,N"- bis-allenylputrescine) has an antitumoral effect superior to that of either drug alone. Eflornithine 109-138 ornithine decarboxylase, structural 1 Mus musculus 79-102 2492900-3 1989 The ODC inhibitor difluoromethylornithine (DFMO), which is active as a single agent did not enhance growth inhibition induced by the biological response modifiers. Eflornithine 18-41 ornithine decarboxylase 1 Homo sapiens 4-7 2492900-4 1989 The substitution of the BT-20 cells with putrescine, the product of the enzymatic reaction mediated by ODC, reversed DFMO induced antiproliferative action. Eflornithine 117-121 ornithine decarboxylase 1 Homo sapiens 103-106 2509268-2 1989 alpha-Difluoromethylornithine, an irreversible and specific inhibitor of ornithine decarboxylase, was applied simultaneously to elucidate the essential role of polyamines in pancreatic growth. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 73-96 2501116-4 1989 Inhibition of L-ornithine decarboxylase (ODC) by 2-difluoromethylornithine (DFMO) had no effect on Orn concentrations. Eflornithine 49-74 ornithine decarboxylase 1 Homo sapiens 14-39 2501116-4 1989 Inhibition of L-ornithine decarboxylase (ODC) by 2-difluoromethylornithine (DFMO) had no effect on Orn concentrations. Eflornithine 49-74 ornithine decarboxylase 1 Homo sapiens 41-44 2501116-4 1989 Inhibition of L-ornithine decarboxylase (ODC) by 2-difluoromethylornithine (DFMO) had no effect on Orn concentrations. Eflornithine 76-80 ornithine decarboxylase 1 Homo sapiens 14-39 2501116-4 1989 Inhibition of L-ornithine decarboxylase (ODC) by 2-difluoromethylornithine (DFMO) had no effect on Orn concentrations. Eflornithine 76-80 ornithine decarboxylase 1 Homo sapiens 41-44 2509268-6 1989 alpha-Difluoromethylornithine significantly delayed and reduced the camostate-induced increase in ornithine decarboxylase activity and polyamine concentrations as well as the trophic parameters. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 98-121 2489234-0 1989 Fluorescent location of ornithine decarboxylase employing derivatives of the specific inhibitor alpha-difluoromethyl ornithine. Eflornithine 96-126 ornithine decarboxylase 1 Homo sapiens 24-47 2489234-2 1989 alpha-difluoromethyl ornithine is a potent inhibitor of ornithine decarboxylase, an enzyme which plays an essential role in cell division. Eflornithine 0-30 ornithine decarboxylase 1 Homo sapiens 56-79 2462023-1 1989 Postnatal administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), is known to curtail replication of granule cells in the cerebellum of the rat, but its effects on post-proliferative neurons is unknown. Eflornithine 28-57 ornithine decarboxylase 1 Rattus norvegicus 95-118 2497140-4 1989 ODC inactivated by alpha- difluoro-methylornithine (DFMO) could also be assayed with this method similarly to active ODC protein. Eflornithine 19-50 ornithine decarboxylase 1 Rattus norvegicus 0-3 2497140-4 1989 ODC inactivated by alpha- difluoro-methylornithine (DFMO) could also be assayed with this method similarly to active ODC protein. Eflornithine 52-56 ornithine decarboxylase 1 Rattus norvegicus 0-3 2462023-1 1989 Postnatal administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), is known to curtail replication of granule cells in the cerebellum of the rat, but its effects on post-proliferative neurons is unknown. Eflornithine 28-57 ornithine decarboxylase 1 Rattus norvegicus 120-123 2462023-1 1989 Postnatal administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), is known to curtail replication of granule cells in the cerebellum of the rat, but its effects on post-proliferative neurons is unknown. Eflornithine 59-63 ornithine decarboxylase 1 Rattus norvegicus 95-118 2462023-1 1989 Postnatal administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), is known to curtail replication of granule cells in the cerebellum of the rat, but its effects on post-proliferative neurons is unknown. Eflornithine 59-63 ornithine decarboxylase 1 Rattus norvegicus 120-123 2494400-1 1989 alpha-Difluoromethylornithine (DFMO) directly infused into a brain-lateral ventricle (12.5, 25 and 50 micrograms/rat) dose- and time-dependently inhibited brain ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 161-164 2498505-10 1989 ODC induced by two doses of Co2+ was insensitive to exogenous putrescine, but sensitive to alpha-difluoromethylornithine and 1,3-diaminopropane. Eflornithine 91-120 ornithine decarboxylase 1 Rattus norvegicus 0-3 2494400-1 1989 alpha-Difluoromethylornithine (DFMO) directly infused into a brain-lateral ventricle (12.5, 25 and 50 micrograms/rat) dose- and time-dependently inhibited brain ODC activity. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 161-164 3056933-7 1988 T. brucei ornithine decarboxylase appears similar to mouse ornithine decarboxylase, further supporting our previous suggestion that the selective toxicity of DFMO to the parasite is not due to catalytic differences between the two proteins. Eflornithine 158-162 ornithine decarboxylase, structural 1 Mus musculus 10-33 16666499-4 1989 DFMA inhibits the fresh and dry weight increases of tobacco calli, whereas DFMO even promoted the fresh and dry weight increases, thus supporting the view that ADC is important for cell division and callus induction. Eflornithine 75-79 arginine decarboxylase Nicotiana tabacum 160-163 16666499-5 1989 Inhibition of ODC activity by DFMO resulting in an amide deficiency after 4 weeks of culture facilates the expression of differentiated cell functions. Eflornithine 30-34 ornithine decarboxylase Nicotiana tabacum 14-17 3142887-2 1988 When exponentially growing A31 cells are placed for greater than or equal to 2 days in a medium containing the alpha-difluoromethylornithine (alpha DFMO), an irreversible inhibitor of ornithine decarboxylase, they become arrested in G1 phase as a consequence of polyamine depletion (Medrano et al., 1983). Eflornithine 142-152 ornithine decarboxylase 1 Homo sapiens 184-207 3142887-5 1988 After addition of putrescine in FCS-containing medium, these mRNAs continue to be present for at least 3 h. A large proportion of alpha DFMO-arrested cells can be induced to progress to S phase by insulin (1 microM, acting via IGF1 receptor) plus putrescine in a serum-free medium (greater than or equal to 50% of FCS effect). Eflornithine 136-140 insulin Homo sapiens 197-204 3142887-5 1988 After addition of putrescine in FCS-containing medium, these mRNAs continue to be present for at least 3 h. A large proportion of alpha DFMO-arrested cells can be induced to progress to S phase by insulin (1 microM, acting via IGF1 receptor) plus putrescine in a serum-free medium (greater than or equal to 50% of FCS effect). Eflornithine 136-140 insulin like growth factor 1 Homo sapiens 227-231 3142887-6 1988 In this case, the levels of "competence" mRNAs become low or undetectable within 3 h, EGF (10 nM) plus insulin had only slightly greater effect than insulin alone on the progression of alpha DFMO-arrested cells. Eflornithine 191-195 epidermal growth factor Homo sapiens 86-89 3142887-6 1988 In this case, the levels of "competence" mRNAs become low or undetectable within 3 h, EGF (10 nM) plus insulin had only slightly greater effect than insulin alone on the progression of alpha DFMO-arrested cells. Eflornithine 191-195 insulin Homo sapiens 103-110 3142887-7 1988 When the alpha DFMO-arrested cells are subsequently incubated during 3 days in a low-serum-containing medium (0.25% FCS), they do not replenish their supply of polyamines, and then continue to express the c-myc gene. Eflornithine 15-19 MYC proto-oncogene, bHLH transcription factor Homo sapiens 205-210 3142887-10 1988 During the subsequent serum deprivation, the alpha DFMO-arrested cells remain "competent" (PDGF-independent), probably as a consequence of their continued expression of c-myc (and possibly other PDGF-inducible genes). Eflornithine 51-55 MYC proto-oncogene, bHLH transcription factor Homo sapiens 169-174 3141045-1 1988 Ornithine decarboxylase, the first regulatory enzyme in polyamine biosynthesis, is inhibited by alpha-difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor. Eflornithine 96-125 ornithine decarboxylase 1 Rattus norvegicus 0-23 3141045-1 1988 Ornithine decarboxylase, the first regulatory enzyme in polyamine biosynthesis, is inhibited by alpha-difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor. Eflornithine 127-131 ornithine decarboxylase 1 Rattus norvegicus 0-23 3141045-12 1988 At necropsy, tumor ornithine decarboxylase activity was 115 +/- 22 pmol/h/mg of protein in DFMO rats as compared with 842 +/- 576 in controls. Eflornithine 91-95 ornithine decarboxylase 1 Rattus norvegicus 19-42 3141298-3 1988 In addition, we attempted to control tumor growth during TPN with alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), in a fibrosarcoma-bearing rat model. Eflornithine 66-95 ornithine decarboxylase 1 Rattus norvegicus 127-150 3141298-3 1988 In addition, we attempted to control tumor growth during TPN with alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), in a fibrosarcoma-bearing rat model. Eflornithine 66-95 ornithine decarboxylase 1 Rattus norvegicus 152-155 3141298-3 1988 In addition, we attempted to control tumor growth during TPN with alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), in a fibrosarcoma-bearing rat model. Eflornithine 97-101 ornithine decarboxylase 1 Rattus norvegicus 127-150 3141298-3 1988 In addition, we attempted to control tumor growth during TPN with alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), in a fibrosarcoma-bearing rat model. Eflornithine 97-101 ornithine decarboxylase 1 Rattus norvegicus 152-155 3141298-9 1988 Despite DFMO treatment, liver ODC activity in RI----TPN + DFMO group was unaffected. Eflornithine 58-62 ornithine decarboxylase 1 Rattus norvegicus 30-33 3146032-2 1988 Polyamines appear to play a critical role in the development of the rat cerebellar cortex, since postnatal treatment with the specific irreversible ornithine decarboxylase inhibitor, alpha-difluoromethylornithine, arrests cell division and migration in this region. Eflornithine 183-212 ornithine decarboxylase 1 Rattus norvegicus 148-171 3143119-3 1988 In these studies we determined whether inhibition of ODC activity and subsequent polyamine biosynthesis with the specific enzyme inhibitor difluoromethyornithine (DFMO) would attenuate prostaglandin-mediated trophic effects in the rat duodenum. Eflornithine 163-167 ornithine decarboxylase 1 Rattus norvegicus 53-56 3146234-2 1988 True ODC activity was determined by two methods: (a) addition of the inhibitors alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC, or aminooxyacetate (AOA), an inhibitor that blocks the decarboxylation of ornithine by mitochondrial enzymes; and (b) chromatographic analysis of the reaction products. Eflornithine 80-109 ornithine decarboxylase 1 Rattus norvegicus 5-8 3146234-2 1988 True ODC activity was determined by two methods: (a) addition of the inhibitors alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC, or aminooxyacetate (AOA), an inhibitor that blocks the decarboxylation of ornithine by mitochondrial enzymes; and (b) chromatographic analysis of the reaction products. Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 5-8 3146234-4 1988 Kidney and spleen ODC activity was inhibited 90-100% by DFMO, but apparent liver ODC activity was inhibited only 60-75%. Eflornithine 56-60 ornithine decarboxylase 1 Rattus norvegicus 18-21 3146234-6 1988 After 23 days, DFMO did not inhibit apparent ODC activity in supernatants from frozen liver and inhibited ODC in frozen kidney by only 49%. Eflornithine 15-19 ornithine decarboxylase 1 Rattus norvegicus 106-109 3143356-1 1988 Inhibition of ornithine decarboxylase activity after arginase-mediated hydrolysis of DL-alpha-difluoromethylarginine to DL-alpha-difluoromethylornithine. Eflornithine 120-152 ornithine decarboxylase Nicotiana tabacum 14-37 2458948-0 1988 Transcriptional and post-transcriptional regulation of c-myc, c-myb, and p53 during proliferation and differentiation of murine erythroleukemia cells treated with DFMO and DMSO. Eflornithine 163-167 myeloblastosis oncogene Mus musculus 62-67 2458948-0 1988 Transcriptional and post-transcriptional regulation of c-myc, c-myb, and p53 during proliferation and differentiation of murine erythroleukemia cells treated with DFMO and DMSO. Eflornithine 163-167 transformation related protein 53, pseudogene Mus musculus 73-76 2458948-4 1988 In contrast, treatment of the cells with DFMO resulted in gradual cessation of cell replication and a decrease in transcription of c-myc, c-myb and p53. Eflornithine 41-45 myeloblastosis oncogene Mus musculus 138-143 2458948-4 1988 In contrast, treatment of the cells with DFMO resulted in gradual cessation of cell replication and a decrease in transcription of c-myc, c-myb and p53. Eflornithine 41-45 transformation related protein 53, pseudogene Mus musculus 148-151 2458948-7 1988 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine 160-164 myeloblastosis oncogene Mus musculus 51-56 2458948-7 1988 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine 160-164 transformation related protein 53, pseudogene Mus musculus 62-65 2458948-7 1988 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine 160-164 myeloblastosis oncogene Mus musculus 247-252 2458948-7 1988 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine 160-164 transformation related protein 53, pseudogene Mus musculus 257-260 3139441-6 1988 DL-alpha-difluoromethylornithine efficiently and irreversibly inhibited ornithine decarboxylase activity from P. falciparum grown in vitro or Plasmodium berghei grown in vivo. Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 72-95 2840461-5 1988 The early rise in ODC activity is followed by a protracted increase in enzyme activity, apparent protein measured by [3H]difluoromethylornithine binding, and by accumulation of steady state ODC mRNA. Eflornithine 121-144 ornithine decarboxylase, structural 1 Mus musculus 18-21 2971724-3 1988 The proliferation of all cell types used in these experiments was markedly suppressed by a specific ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), substantiating the crucial role of ODC activity for cell proliferation. Eflornithine 115-145 ornithine decarboxylase 1 Homo sapiens 100-103 2971724-3 1988 The proliferation of all cell types used in these experiments was markedly suppressed by a specific ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), substantiating the crucial role of ODC activity for cell proliferation. Eflornithine 115-145 ornithine decarboxylase 1 Homo sapiens 189-192 2971724-3 1988 The proliferation of all cell types used in these experiments was markedly suppressed by a specific ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), substantiating the crucial role of ODC activity for cell proliferation. Eflornithine 147-151 ornithine decarboxylase 1 Homo sapiens 100-103 2971724-3 1988 The proliferation of all cell types used in these experiments was markedly suppressed by a specific ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), substantiating the crucial role of ODC activity for cell proliferation. Eflornithine 147-151 ornithine decarboxylase 1 Homo sapiens 189-192 3137699-2 1988 When D,L-alpha-difluoromethyl ornithine (DFMO), an inhibitor of ODC activity, was coadministered with TCAOB, it decreased the frequency of cleft palate compared with TCAOB alone. Eflornithine 5-39 ornithine decarboxylase, structural 1 Mus musculus 64-67 3137699-2 1988 When D,L-alpha-difluoromethyl ornithine (DFMO), an inhibitor of ODC activity, was coadministered with TCAOB, it decreased the frequency of cleft palate compared with TCAOB alone. Eflornithine 41-45 ornithine decarboxylase, structural 1 Mus musculus 64-67 3134356-0 1988 Control of ornithine decarboxylase activity in alpha-difluoromethylornithine-resistant L1210 cells by polyamines and synthetic analogues. Eflornithine 47-76 ornithine decarboxylase, structural 1 Mus musculus 11-34 3134356-1 1988 The regulation of ornithine decarboxylase (ODC) activity by the polyamine derivatives N1,N8-bis(ethyl)-spermidine and N1,N12-bis(ethyl)spermine was studied using a line of L1210 cells resistant to alpha-difluoromethylornithine (D-R cells), which contain very high levels of ODC, and a synthetic mRNA prepared from a plasmid containing an insert corresponding to ODC mRNA adjacent to an SP6 RNA polymerase promoter. Eflornithine 197-226 ornithine decarboxylase, structural 1 Mus musculus 18-41 3134356-1 1988 The regulation of ornithine decarboxylase (ODC) activity by the polyamine derivatives N1,N8-bis(ethyl)-spermidine and N1,N12-bis(ethyl)spermine was studied using a line of L1210 cells resistant to alpha-difluoromethylornithine (D-R cells), which contain very high levels of ODC, and a synthetic mRNA prepared from a plasmid containing an insert corresponding to ODC mRNA adjacent to an SP6 RNA polymerase promoter. Eflornithine 197-226 ornithine decarboxylase, structural 1 Mus musculus 43-46 2839169-4 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocks the isoproterenol-evoked increase in ODC activity and polyamine levels and the changes in 45Ca fluxes, [Ca2+]i and membrane transport. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 4-7 2839169-4 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocks the isoproterenol-evoked increase in ODC activity and polyamine levels and the changes in 45Ca fluxes, [Ca2+]i and membrane transport. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 108-111 2839169-4 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocks the isoproterenol-evoked increase in ODC activity and polyamine levels and the changes in 45Ca fluxes, [Ca2+]i and membrane transport. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 4-7 2839169-4 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5-10 mM) blocks the isoproterenol-evoked increase in ODC activity and polyamine levels and the changes in 45Ca fluxes, [Ca2+]i and membrane transport. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 108-111 3135921-7 1988 DFMO-treatment significantly reduced ODC activity after 8 h recirculation and following 24 h recirculation. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 37-40 3135921-9 1988 The discrepancy between reduction in ODC activity and putrescine levels in DFMO-treated animals was most prominent in the hippocampus after 8 h recirculation: here DFMO reduced ODC activity to control values without affecting putrescine levels. Eflornithine 75-79 ornithine decarboxylase 1 Rattus norvegicus 177-180 3135921-9 1988 The discrepancy between reduction in ODC activity and putrescine levels in DFMO-treated animals was most prominent in the hippocampus after 8 h recirculation: here DFMO reduced ODC activity to control values without affecting putrescine levels. Eflornithine 164-168 ornithine decarboxylase 1 Rattus norvegicus 37-40 3135921-9 1988 The discrepancy between reduction in ODC activity and putrescine levels in DFMO-treated animals was most prominent in the hippocampus after 8 h recirculation: here DFMO reduced ODC activity to control values without affecting putrescine levels. Eflornithine 164-168 ornithine decarboxylase 1 Rattus norvegicus 177-180 3129184-1 1988 L1210 cells were selected for resistance to the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine. Eflornithine 89-118 ornithine decarboxylase, structural 1 Mus musculus 48-71 3129184-1 1988 L1210 cells were selected for resistance to the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine. Eflornithine 89-118 ornithine decarboxylase, structural 1 Mus musculus 73-76 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 272-301 ornithine decarboxylase, structural 1 Mus musculus 87-110 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 272-301 ornithine decarboxylase, structural 1 Mus musculus 112-115 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 272-301 ornithine decarboxylase, structural 1 Mus musculus 230-233 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 303-307 ornithine decarboxylase, structural 1 Mus musculus 87-110 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 303-307 ornithine decarboxylase, structural 1 Mus musculus 112-115 3132336-1 1988 When Ehrlich ascites tumour cells are induced to proliferate by serum stimulation, the ornithine decarboxylase (ODC) activity increases rapidly and reaches two to three peaks during the first 24 h. Inhibition of the first peak in ODC activity (occurring at 4 h) by adding alpha-difluoromethylornithine (DFMO) within 2 h of serum stimulation, results in maximal growth inhibition. Eflornithine 303-307 ornithine decarboxylase, structural 1 Mus musculus 230-233 3132336-3 1988 When DFMO is added 3 h after seeding, however, enough polyamines have already accumulated during the initial burst in ODC activity to reduce the antiproliferative effect of the drug. Eflornithine 5-9 ornithine decarboxylase, structural 1 Mus musculus 118-121 3142219-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 92-122 ornithine decarboxylase, structural 1 Mus musculus 61-84 3142219-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 92-122 ornithine decarboxylase, structural 1 Mus musculus 86-89 3142219-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 interferon beta 1, fibroblast Mus musculus 11-26 3142219-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 ornithine decarboxylase, structural 1 Mus musculus 61-84 3142219-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 ornithine decarboxylase, structural 1 Mus musculus 86-89 3365395-7 1988 The combined application of 100 microM MAOEA and 5 mM alpha-(difluoromethyl)ornithine (an ornithine decarboxylase inhibitor) to L1210 cells completely prevented the synthesis of putrescine, spermidine, and spermine for up to 48 h. The reduction in polyamine content brought about by MHZPA or MAOEA could be partially prevented by the addition of decarboxylated S-adenosylmethionine to the culture medium. Eflornithine 54-85 ornithine decarboxylase, structural 1 Mus musculus 90-113 3138918-3 1988 Difluoromethylornithine (DFMO), a potent inhibitor of ODC, blocks the mucosal growth response, indicating that ODC activity is necessary for growth. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 54-57 3138918-3 1988 Difluoromethylornithine (DFMO), a potent inhibitor of ODC, blocks the mucosal growth response, indicating that ODC activity is necessary for growth. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 111-114 3138918-3 1988 Difluoromethylornithine (DFMO), a potent inhibitor of ODC, blocks the mucosal growth response, indicating that ODC activity is necessary for growth. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 54-57 3138918-3 1988 Difluoromethylornithine (DFMO), a potent inhibitor of ODC, blocks the mucosal growth response, indicating that ODC activity is necessary for growth. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 111-114 2852723-8 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5 mM) suppressed the isoproterenol-induced increase in ODC and polyamine levels and the stimulation of 45Ca influx, endocytosis, hexose transport, and amino acid transport. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 4-7 2852723-8 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5 mM) suppressed the isoproterenol-induced increase in ODC and polyamine levels and the stimulation of 45Ca influx, endocytosis, hexose transport, and amino acid transport. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 110-113 2852723-8 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5 mM) suppressed the isoproterenol-induced increase in ODC and polyamine levels and the stimulation of 45Ca influx, endocytosis, hexose transport, and amino acid transport. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 4-7 2852723-8 1988 The ODC inhibitor alpha-difluoromethylornithine (DFMO, 5 mM) suppressed the isoproterenol-induced increase in ODC and polyamine levels and the stimulation of 45Ca influx, endocytosis, hexose transport, and amino acid transport. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 110-113 3137935-1 1988 We have selected mouse myeloma and leukemia cell lines overproducing ornithine decarboxylase (ODC) under the pressure of alpha-difluoromethylornithine (DFMO), a mechanism-based inhibitor of the enzyme. Eflornithine 121-150 ornithine decarboxylase, structural 1 Mus musculus 69-92 3137935-1 1988 We have selected mouse myeloma and leukemia cell lines overproducing ornithine decarboxylase (ODC) under the pressure of alpha-difluoromethylornithine (DFMO), a mechanism-based inhibitor of the enzyme. Eflornithine 121-150 ornithine decarboxylase, structural 1 Mus musculus 94-97 3137935-1 1988 We have selected mouse myeloma and leukemia cell lines overproducing ornithine decarboxylase (ODC) under the pressure of alpha-difluoromethylornithine (DFMO), a mechanism-based inhibitor of the enzyme. Eflornithine 152-156 ornithine decarboxylase, structural 1 Mus musculus 69-92 3137935-1 1988 We have selected mouse myeloma and leukemia cell lines overproducing ornithine decarboxylase (ODC) under the pressure of alpha-difluoromethylornithine (DFMO), a mechanism-based inhibitor of the enzyme. Eflornithine 152-156 ornithine decarboxylase, structural 1 Mus musculus 94-97 3137935-4 1988 The DFMO-resistant cells exhibited ODC activity that was 8 to 25 times higher than the enzyme activity in the parental cells. Eflornithine 4-8 ornithine decarboxylase, structural 1 Mus musculus 35-38 3136663-4 1988 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 1% drinking water solution inhibited both base-line renal ODC activity and putrescine concentration as well as increases stimulated by UN, although concentrations of spermidine and spermine were not decreased. Eflornithine 18-41 ornithine decarboxylase 1 Rattus norvegicus 79-82 3136663-4 1988 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 1% drinking water solution inhibited both base-line renal ODC activity and putrescine concentration as well as increases stimulated by UN, although concentrations of spermidine and spermine were not decreased. Eflornithine 18-41 ornithine decarboxylase 1 Rattus norvegicus 147-150 3136663-4 1988 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 1% drinking water solution inhibited both base-line renal ODC activity and putrescine concentration as well as increases stimulated by UN, although concentrations of spermidine and spermine were not decreased. Eflornithine 43-47 ornithine decarboxylase 1 Rattus norvegicus 79-82 3136663-4 1988 Pretreatment with difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, as a 1% drinking water solution inhibited both base-line renal ODC activity and putrescine concentration as well as increases stimulated by UN, although concentrations of spermidine and spermine were not decreased. Eflornithine 43-47 ornithine decarboxylase 1 Rattus norvegicus 147-150 3136663-8 1988 Although increased renal ODC activity and CRH after UN are correlated in normal and hypophysectomized rats, CRH takes place in rats treated with DFMO despite inhibition of ODC activity and depletion of polyamines. Eflornithine 145-149 ornithine decarboxylase 1 Rattus norvegicus 172-175 3135955-7 1988 A 0.5 or 0.25% supplement of alpha-difluoromethylornithine (alpha-DFMO) in the drinking water inhibited the induction of epidermal ODC following chrysarobin (220 nmol/mouse) treatment by 85 or 70%, respectively. Eflornithine 29-58 ornithine decarboxylase, structural 1 Mus musculus 131-134 3135955-7 1988 A 0.5 or 0.25% supplement of alpha-difluoromethylornithine (alpha-DFMO) in the drinking water inhibited the induction of epidermal ODC following chrysarobin (220 nmol/mouse) treatment by 85 or 70%, respectively. Eflornithine 60-70 ornithine decarboxylase, structural 1 Mus musculus 131-134 3140710-3 1988 The observed antitumor activity of the compound was potentiated by administration of a - difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 89-112 ornithine decarboxylase, structural 1 Mus musculus 150-173 3140710-3 1988 The observed antitumor activity of the compound was potentiated by administration of a - difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 114-118 ornithine decarboxylase, structural 1 Mus musculus 150-173 3134121-5 1988 DEGBG was also found to potentiate the antiproliferative effect of the ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine against mouse L1210 leukemia cells in vitro. Eflornithine 105-135 ornithine decarboxylase, structural 1 Mus musculus 71-94 3130188-6 1988 alpha-Difluoromethylornithine inhibits ornithine decarboxylase, the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 39-62 3130189-5 1988 Nevertheless, cell strains derived from the metaplastic tissue were growth inhibited by alpha-difluoromethylornithine, an enzyme-activated, suicide inhibitor of ODC. Eflornithine 88-117 ornithine decarboxylase 1 Homo sapiens 161-164 3131549-1 1988 Previous studies have reported that alpha difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (ODC), has anti-tumor activity in several tumor systems. Eflornithine 36-65 ornithine decarboxylase, structural 1 Mus musculus 121-144 3131549-1 1988 Previous studies have reported that alpha difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (ODC), has anti-tumor activity in several tumor systems. Eflornithine 36-65 ornithine decarboxylase, structural 1 Mus musculus 146-149 3131549-1 1988 Previous studies have reported that alpha difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (ODC), has anti-tumor activity in several tumor systems. Eflornithine 67-71 ornithine decarboxylase, structural 1 Mus musculus 121-144 3131549-1 1988 Previous studies have reported that alpha difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (ODC), has anti-tumor activity in several tumor systems. Eflornithine 67-71 ornithine decarboxylase, structural 1 Mus musculus 146-149 3128541-3 1988 In the present study, we demonstrate that polyamine depletion induced by 2-difluoromethylornithine in COLO 320 human colon carcinoma cells results in a greater than 90% decrease in expression of a key gene in the maintenance of cell growth, the c-myc protooncogene. Eflornithine 73-98 MYC proto-oncogene, bHLH transcription factor Homo sapiens 245-250 3378315-4 1988 However, inhibition of ODC activity by alpha-difluoromethylornithine does not prevent the increase of the microsomal activity caused by thioacetamide. Eflornithine 39-68 ornithine decarboxylase 1 Homo sapiens 23-26 3123076-6 1988 In direct comparison with another ODC inhibitor, alpha-difluoromethylornithine (DFMO), MAP was five- to sixfold more potent in reducing CTL induction. Eflornithine 49-78 ornithine decarboxylase 1 Homo sapiens 34-37 3275019-3 1988 Treatment of laboratory animals bearing transplantable tumours with alpha-difluoromethylornithine, an inhibitor of ornithine decarboxylase, followed by 2,2-difluoroputrescine allows the partial replacement of the endogenous polyamines spermidine and spermine by their fluorine-containing analogs 6,6-difluorospermidine and 6,6-difluorospermine. Eflornithine 68-97 ornithine decarboxylase, structural 1 Mus musculus 115-138 3348786-1 1988 Ornithine decarboxylase in the crude extract from the kidney of androgen-treated mice was labeled by reaction with radioactive alpha-difluoromethylornithine and analyzed by sodium dodecylsulfate-polyacrylamide gel electrophoresis followed by autoradiography. Eflornithine 127-156 ornithine decarboxylase, structural 1 Mus musculus 0-23 16665927-3 1988 One cell line, resistant to difluoromethylornithine (Dfr1) had a very low level of ornithine decarboxylase activity which was half insensitive to the inhibitor in vitro. Eflornithine 28-51 dihydroflavonol-4-reductase Nicotiana tabacum 53-57 16665927-3 1988 One cell line, resistant to difluoromethylornithine (Dfr1) had a very low level of ornithine decarboxylase activity which was half insensitive to the inhibitor in vitro. Eflornithine 28-51 ornithine decarboxylase Nicotiana tabacum 83-106 3341033-7 1988 The administrations of alpha-difluoromethylornithine and 1,3-diaminopropane resulted in the inhibition of DEM-mediated induction of ODC, but not heme oxygenase. Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 132-135 3124839-5 1988 The proenzyme form was readily detectable in control prostates (about 4% of the total) and this proportion was increased to 25% when the rats were pretreated for 3 days with the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine. Eflornithine 213-242 ornithine decarboxylase 1 Rattus norvegicus 178-201 3275496-2 1988 All four human TCC cell lines tested were quite sensitive to the specific inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine (DFMO), requiring less than or equal to 1.0 mM DFMO to double generation time. Eflornithine 112-141 ornithine decarboxylase 1 Homo sapiens 87-110 3275496-2 1988 All four human TCC cell lines tested were quite sensitive to the specific inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine (DFMO), requiring less than or equal to 1.0 mM DFMO to double generation time. Eflornithine 143-147 ornithine decarboxylase 1 Homo sapiens 87-110 3275496-2 1988 All four human TCC cell lines tested were quite sensitive to the specific inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine (DFMO), requiring less than or equal to 1.0 mM DFMO to double generation time. Eflornithine 189-193 ornithine decarboxylase 1 Homo sapiens 87-110 3250232-11 1988 The precursor could also be detected by immunoblotting of extracts from prostates of rats depleted of putrescine by treatment with the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine. Eflornithine 170-199 ornithine decarboxylase 1 Rattus norvegicus 135-158 3250233-12 1988 (93, 94) and others (95) reported that, among a spectrum of human lung carcinoma lines, small cell carcinoma was exquisitely sensitive to the ODC inhibitor, DFMO. Eflornithine 157-161 ornithine decarboxylase 1 Homo sapiens 142-145 3255234-4 1988 alpha-difluoromethylornithine (DFMO), an irreversible and specific inhibitor of ODC, was applied simultaneously to elucidate the essential role of polyamines in pancreatic growth. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 80-83 3255234-4 1988 alpha-difluoromethylornithine (DFMO), an irreversible and specific inhibitor of ODC, was applied simultaneously to elucidate the essential role of polyamines in pancreatic growth. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 80-83 2848638-3 1988 It was therefore best to give the melarsoprol towards the end of the DFMO regimen, and as a guanylhydrazone (TBG) also blocks trypanothione (polyamine) biosynthesis, if TBG/DFMO are given together the treatment period can be reduced to 8 days. Eflornithine 173-177 serine (or cysteine) peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 7 Mus musculus 109-112 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 73-96 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 98-101 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 0-23 serpin family B member 3 Homo sapiens 207-210 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 73-96 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 98-101 2840221-3 1988 Difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase (ODC) which produces minimal toxicity in animals and humans, has shown antiproliferative effect against human SCC in culture but a much smaller effect (cytostatic) against NSCC. Eflornithine 25-29 serpin family B member 3 Homo sapiens 207-210 3130336-6 1988 At 60 min after injection, 11% of the 14C was present in the acid-precipitable fraction of the FM3A, which suggests the formation of an irreversible complex of [14C]DFMO with ODC. Eflornithine 165-169 ornithine decarboxylase, structural 1 Mus musculus 175-178 3143490-1 1988 alpha-Difluoromethyl ornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), an essential enzyme for the synthesis of polyamines, and results in decreased biosynthesis of putrescine and spermidine, factors necessary for cellular multiplication. Eflornithine 0-30 ornithine decarboxylase 1 Homo sapiens 60-83 3143490-1 1988 alpha-Difluoromethyl ornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), an essential enzyme for the synthesis of polyamines, and results in decreased biosynthesis of putrescine and spermidine, factors necessary for cellular multiplication. Eflornithine 0-30 ornithine decarboxylase 1 Homo sapiens 85-88 3143490-1 1988 alpha-Difluoromethyl ornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), an essential enzyme for the synthesis of polyamines, and results in decreased biosynthesis of putrescine and spermidine, factors necessary for cellular multiplication. Eflornithine 32-36 ornithine decarboxylase 1 Homo sapiens 60-83 3143490-1 1988 alpha-Difluoromethyl ornithine (DFMO) irreversibly inhibits ornithine decarboxylase (ODC), an essential enzyme for the synthesis of polyamines, and results in decreased biosynthesis of putrescine and spermidine, factors necessary for cellular multiplication. Eflornithine 32-36 ornithine decarboxylase 1 Homo sapiens 85-88 3147916-5 1988 The results presented here provide additional in vitro evidence on the characteristic changes in the metabolic imbalance of ornithine in tumor cells induced by DFMO via inhibition of ornithine decarboxylase and ornithine carbamoyl transferase activities. Eflornithine 160-164 ornithine decarboxylase, structural 1 Mus musculus 183-206 3145970-1 1988 DFMO (difluoromethylornithine) and DFMA (difluoromethylarginine), irreversible suicide inhibitors of ornithine and arginine decarboxylase activities (ODC and ADC) respectively, inhibit the growth of six species of Microsporum and six species of Trichophyton. Eflornithine 0-4 antizyme inhibitor 2 Homo sapiens 115-137 3127398-4 1988 Tissue polyamine concentrations were more effectively depleted by combined treatment with D,L-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, and N1,N4-bis-allenylputrescine, an inactivator of polyamine oxidase, than with either inhibitor alone. Eflornithine 90-123 ornithine decarboxylase 1 Homo sapiens 154-177 3125950-2 1987 Subcellular fractionation showed the enzyme associated with the post-mitochondrial supernatant fraction in each of the tissues: Specific activities of ODC, defined as alpha-difluoromethylornithine (DFMO)-sensitive decarboxylation of ornithine, in the supernatant fractions of combined inner ear tissues were: guinea pig = 44 +/- 4 pmoles CO2 produced/hour/mg protein, and rat = 133 +/- 30. Eflornithine 167-196 ornithine decarboxylase 1 Homo sapiens 151-154 3125950-2 1987 Subcellular fractionation showed the enzyme associated with the post-mitochondrial supernatant fraction in each of the tissues: Specific activities of ODC, defined as alpha-difluoromethylornithine (DFMO)-sensitive decarboxylation of ornithine, in the supernatant fractions of combined inner ear tissues were: guinea pig = 44 +/- 4 pmoles CO2 produced/hour/mg protein, and rat = 133 +/- 30. Eflornithine 198-202 ornithine decarboxylase 1 Homo sapiens 151-154 3125950-6 1987 Since both the ODC-inhibitors, DFMO and neomycin, can cause hearing loss in patients and experimental animals it is suggested that inhibition of ODC may be an important factor in the ototoxicity of these drugs. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 15-18 3125950-6 1987 Since both the ODC-inhibitors, DFMO and neomycin, can cause hearing loss in patients and experimental animals it is suggested that inhibition of ODC may be an important factor in the ototoxicity of these drugs. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 145-148 3117792-4 1987 Only lysates from cells treated with alpha-difluoromethylornithine, to deplete endogenous polyamine pools, supported the formation of deoxyhypusine, suggesting that unmodified eIF-4D accumulated in spermidine deficient cells. Eflornithine 37-66 eukaryotic translation initiation factor 5A Homo sapiens 176-182 3122732-1 1987 We recently selected a variant mouse L1210 leukaemia-cell line overproducing ornithine decarboxylase (ODC) (EC 4.1.1.17) as a result of chronic exposure to 2-difluoromethylornithine (DFMO) in the presence of micromolar concentrations of cadaverine. Eflornithine 156-181 ornithine decarboxylase, structural 1 Mus musculus 77-100 3122732-1 1987 We recently selected a variant mouse L1210 leukaemia-cell line overproducing ornithine decarboxylase (ODC) (EC 4.1.1.17) as a result of chronic exposure to 2-difluoromethylornithine (DFMO) in the presence of micromolar concentrations of cadaverine. Eflornithine 156-181 ornithine decarboxylase, structural 1 Mus musculus 102-105 3122732-1 1987 We recently selected a variant mouse L1210 leukaemia-cell line overproducing ornithine decarboxylase (ODC) (EC 4.1.1.17) as a result of chronic exposure to 2-difluoromethylornithine (DFMO) in the presence of micromolar concentrations of cadaverine. Eflornithine 183-187 ornithine decarboxylase, structural 1 Mus musculus 77-100 3122732-1 1987 We recently selected a variant mouse L1210 leukaemia-cell line overproducing ornithine decarboxylase (ODC) (EC 4.1.1.17) as a result of chronic exposure to 2-difluoromethylornithine (DFMO) in the presence of micromolar concentrations of cadaverine. Eflornithine 183-187 ornithine decarboxylase, structural 1 Mus musculus 102-105 3115562-0 1987 Changes in the glutathione content of rat 9L cells induced by treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine. Eflornithine 115-144 ornithine decarboxylase 1 Rattus norvegicus 81-104 3115562-1 1987 Treatment of 9L cells with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) depletes cells of putrescine and spermidine and sensitizes cells to the cytotoxic effects of the alkylating agent 1,3-bis(2-chloroethyl)-1-nitrosourea. Eflornithine 65-94 ornithine decarboxylase 1 Rattus norvegicus 31-54 3115562-1 1987 Treatment of 9L cells with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) depletes cells of putrescine and spermidine and sensitizes cells to the cytotoxic effects of the alkylating agent 1,3-bis(2-chloroethyl)-1-nitrosourea. Eflornithine 96-100 ornithine decarboxylase 1 Rattus norvegicus 31-54 3038303-1 1987 Difluoromethylornithine (DFMO), an enzyme activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes intracellular putrescine, and spermidine (Spd), but not spermine, and generally leads to an inhibition of cell proliferation, without cell death, in both normal and neoplastic cells. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 78-101 3038303-1 1987 Difluoromethylornithine (DFMO), an enzyme activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes intracellular putrescine, and spermidine (Spd), but not spermine, and generally leads to an inhibition of cell proliferation, without cell death, in both normal and neoplastic cells. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 103-106 3038303-1 1987 Difluoromethylornithine (DFMO), an enzyme activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes intracellular putrescine, and spermidine (Spd), but not spermine, and generally leads to an inhibition of cell proliferation, without cell death, in both normal and neoplastic cells. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 78-101 3038303-1 1987 Difluoromethylornithine (DFMO), an enzyme activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes intracellular putrescine, and spermidine (Spd), but not spermine, and generally leads to an inhibition of cell proliferation, without cell death, in both normal and neoplastic cells. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 103-106 3111681-13 1987 These data concur with the established molecular actions of the two enzyme inhibitors as blockers of ornithine decarboxylase (difluoromethylornithine) and spermidine synthase (dicyclohexylammonium sulfate). Eflornithine 126-149 ornithine decarboxylase, structural 1 Mus musculus 101-124 3115786-1 1987 Alpha-difluoromethylornithine (DFMO) is an enzyme-activated, irreversible inhibitor of ornithine decarboxylase, the first enzyme in the synthesis of the polyamines putrescine, spermidine and spermine. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 87-110 3115786-1 1987 Alpha-difluoromethylornithine (DFMO) is an enzyme-activated, irreversible inhibitor of ornithine decarboxylase, the first enzyme in the synthesis of the polyamines putrescine, spermidine and spermine. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 87-110 3114562-2 1987 Treatment of MCF-7 cells with difluoromethylornithine (DFMO), the irreversible inhibitor of the enzyme ornithine decarboxylase (ODC), prevented estradiol-induced cell proliferation in a dose-dependent fashion. Eflornithine 30-53 ornithine decarboxylase 1 Homo sapiens 103-126 3114562-2 1987 Treatment of MCF-7 cells with difluoromethylornithine (DFMO), the irreversible inhibitor of the enzyme ornithine decarboxylase (ODC), prevented estradiol-induced cell proliferation in a dose-dependent fashion. Eflornithine 30-53 ornithine decarboxylase 1 Homo sapiens 128-131 3114562-2 1987 Treatment of MCF-7 cells with difluoromethylornithine (DFMO), the irreversible inhibitor of the enzyme ornithine decarboxylase (ODC), prevented estradiol-induced cell proliferation in a dose-dependent fashion. Eflornithine 55-59 ornithine decarboxylase 1 Homo sapiens 103-126 3114562-2 1987 Treatment of MCF-7 cells with difluoromethylornithine (DFMO), the irreversible inhibitor of the enzyme ornithine decarboxylase (ODC), prevented estradiol-induced cell proliferation in a dose-dependent fashion. Eflornithine 55-59 ornithine decarboxylase 1 Homo sapiens 128-131 3114562-4 1987 ODC activity was 4-fold greater in estrogen-treated cells and DFMO (5 mM) fully inhibited ODC activity. Eflornithine 62-66 ornithine decarboxylase 1 Homo sapiens 90-93 3113732-4 1987 The cultures were treated with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, the first and rate-limiting enzyme in polyamine synthesis. Eflornithine 31-60 ornithine decarboxylase Gallus gallus 115-138 3113732-4 1987 The cultures were treated with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, the first and rate-limiting enzyme in polyamine synthesis. Eflornithine 62-66 ornithine decarboxylase Gallus gallus 115-138 3114026-2 1987 This stimulation of citric acid levels was not blocked by pretreatment of the animals with the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethyl ornithine (DFMO), suggesting that the prolactin induction of citric acid in this organ is not mediated through activation of the ODC. Eflornithine 136-166 ornithine decarboxylase 1 Rattus norvegicus 120-123 3036823-10 1987 The lack of turnover of ornithine decarboxylase in trypanosomes may constitute the basis of selective antitrypanosomal action of the irreversible enzyme inhibitor DL-alpha-difluoromethylornithine. Eflornithine 163-195 ornithine decarboxylase 1 Homo sapiens 24-47 3112598-3 1987 The addition of 2 mM difluoromethylornithine (DFMO; an inhibitor of ornithine decarboxylase) to the perifusion medium completely inhibited the response to all volleys of LHRH. Eflornithine 21-44 ornithine decarboxylase 1 Rattus norvegicus 68-91 3112598-3 1987 The addition of 2 mM difluoromethylornithine (DFMO; an inhibitor of ornithine decarboxylase) to the perifusion medium completely inhibited the response to all volleys of LHRH. Eflornithine 21-44 gonadotropin releasing hormone 1 Rattus norvegicus 170-174 3112598-3 1987 The addition of 2 mM difluoromethylornithine (DFMO; an inhibitor of ornithine decarboxylase) to the perifusion medium completely inhibited the response to all volleys of LHRH. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 68-91 3112598-3 1987 The addition of 2 mM difluoromethylornithine (DFMO; an inhibitor of ornithine decarboxylase) to the perifusion medium completely inhibited the response to all volleys of LHRH. Eflornithine 46-50 gonadotropin releasing hormone 1 Rattus norvegicus 170-174 3112598-7 1987 Unstimulated pituitary tissues showed constant low levels of carbon dioxide release during 5 h of incubation, but those given hourly volleys of LHRH showed progressively increasing release of radioactivity, which was blocked by the addition of DFMO. Eflornithine 244-248 gonadotropin releasing hormone 1 Rattus norvegicus 144-148 2436752-0 1987 Altered expression of beta-globin, transferrin receptor, and ornithine decarboxylase in Friend murine erythroleukemia cells inhibited by alpha-difluoromethylornithine. Eflornithine 137-166 hemoglobin beta chain complex Mus musculus 22-33 2436752-0 1987 Altered expression of beta-globin, transferrin receptor, and ornithine decarboxylase in Friend murine erythroleukemia cells inhibited by alpha-difluoromethylornithine. Eflornithine 137-166 transferrin receptor Mus musculus 35-55 3036086-4 1987 It is possible that the amplification of ODC genes in Ehrlich ascites-carcinoma cells in response to 2-difluoromethylornithine (DFMO) was associated with hypomethylation, or that less-methylated genes were amplified. Eflornithine 101-126 ornithine decarboxylase 1 Homo sapiens 41-44 3036086-4 1987 It is possible that the amplification of ODC genes in Ehrlich ascites-carcinoma cells in response to 2-difluoromethylornithine (DFMO) was associated with hypomethylation, or that less-methylated genes were amplified. Eflornithine 128-132 ornithine decarboxylase 1 Homo sapiens 41-44 3100028-0 1987 Decarboxylated-S-adenosylmethionine excretion: a biochemical marker of ornithine decarboxylase inhibition by alpha-difluoromethylornithine. Eflornithine 109-138 ornithine decarboxylase 1 Homo sapiens 71-94 3100897-2 1987 alpha-Difluoromethylornithine (DFMO), is a specific and irreversible inhibitor of ornithine decarboxylase (ODC); the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 82-105 3100897-2 1987 alpha-Difluoromethylornithine (DFMO), is a specific and irreversible inhibitor of ornithine decarboxylase (ODC); the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 107-110 3101980-2 1987 After preincubation of rat brain synaptosomes with 5 mM difluormethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, the K+-induced increase of [Ca2+]i was 33% less than that in non-treated synaptosomes. Eflornithine 80-84 ornithine decarboxylase 1 Rattus norvegicus 116-139 3118650-6 1987 DFMO, a specific irreversible inhibitor of ODC, has been used extensively in studies which have shed light on the role of polyamines in cell proliferation and differentiation. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 43-46 3105526-0 1987 Decarboxylation of alpha-difluoromethylornithine by ornithine decarboxylase. Eflornithine 19-48 ornithine decarboxylase 1 Homo sapiens 52-75 3105526-1 1987 The mechanism of inactivation of rodent ornithine decarboxylase by alpha-difluoromethylornithine (DFMO) was studied using the inhibitor labelled with 14C in both the 1 and the 5 positions. Eflornithine 67-96 ornithine decarboxylase 1 Homo sapiens 40-63 3105526-1 1987 The mechanism of inactivation of rodent ornithine decarboxylase by alpha-difluoromethylornithine (DFMO) was studied using the inhibitor labelled with 14C in both the 1 and the 5 positions. Eflornithine 98-102 ornithine decarboxylase 1 Homo sapiens 40-63 3105968-1 1987 Difluoromethylornithine (DFMO) is a nonreversible inhibitor of ornithine decarboxylase (ODC), the initial rate-limiting enzyme in the polyamine biosynthetic pathway. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 63-86 3105968-1 1987 Difluoromethylornithine (DFMO) is a nonreversible inhibitor of ornithine decarboxylase (ODC), the initial rate-limiting enzyme in the polyamine biosynthetic pathway. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 88-91 3105968-1 1987 Difluoromethylornithine (DFMO) is a nonreversible inhibitor of ornithine decarboxylase (ODC), the initial rate-limiting enzyme in the polyamine biosynthetic pathway. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 63-86 3105968-1 1987 Difluoromethylornithine (DFMO) is a nonreversible inhibitor of ornithine decarboxylase (ODC), the initial rate-limiting enzyme in the polyamine biosynthetic pathway. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 88-91 3105968-2 1987 When HL60 leukemic cells were incubated in the presence of concentrations of DFMO from 0.05 mM to 5 mM, there was a concentration-dependent inhibition of ODC activity apparent within 24 h. Likewise, cellular polyamine levels were reduced by the presence of DFMO in a concentration-dependent manner after 4 days. Eflornithine 77-81 ornithine decarboxylase 1 Homo sapiens 154-157 3023035-7 1987 Addition of alpha-difluoromethylornithine, an irreversible inhibitor of ODC, blocked increases in both ODC activity and PA in cells stimulated with FSH or Bu2cAMP. Eflornithine 12-41 ornithine decarboxylase 1 Rattus norvegicus 72-75 3023035-7 1987 Addition of alpha-difluoromethylornithine, an irreversible inhibitor of ODC, blocked increases in both ODC activity and PA in cells stimulated with FSH or Bu2cAMP. Eflornithine 12-41 ornithine decarboxylase 1 Rattus norvegicus 103-106 3121452-2 1987 Polyamine synthesis is rate limited by ornithine decarboxylase (ODC) and ODC activity is specifically inhibited by -difluoromethyl ornithine (DFMO). Eflornithine 115-140 ornithine decarboxylase 1 Rattus norvegicus 73-76 3121452-2 1987 Polyamine synthesis is rate limited by ornithine decarboxylase (ODC) and ODC activity is specifically inhibited by -difluoromethyl ornithine (DFMO). Eflornithine 142-146 ornithine decarboxylase 1 Rattus norvegicus 73-76 3121456-9 1987 Difluoromethyl ornithine (DFMO) (1 mM), an irreversible inhibitor of ODC, inhibits cell growth from day 3 up to day 7. Eflornithine 0-24 ornithine decarboxylase 1 Rattus norvegicus 69-72 3121456-9 1987 Difluoromethyl ornithine (DFMO) (1 mM), an irreversible inhibitor of ODC, inhibits cell growth from day 3 up to day 7. Eflornithine 26-30 ornithine decarboxylase 1 Rattus norvegicus 69-72 3121457-7 1987 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increases in ODC and polyamines are suppressed, and intestinal adaptation is abrogated. Eflornithine 54-77 ornithine decarboxylase 1 Homo sapiens 49-52 3121457-7 1987 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increases in ODC and polyamines are suppressed, and intestinal adaptation is abrogated. Eflornithine 54-77 ornithine decarboxylase 1 Homo sapiens 102-105 3121457-7 1987 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increases in ODC and polyamines are suppressed, and intestinal adaptation is abrogated. Eflornithine 79-83 ornithine decarboxylase 1 Homo sapiens 49-52 3121457-7 1987 With administration of the specific inhibitor of ODC (difluoromethylornithine, DFMO) the increases in ODC and polyamines are suppressed, and intestinal adaptation is abrogated. Eflornithine 79-83 ornithine decarboxylase 1 Homo sapiens 102-105 3115911-1 1987 Eflornithine-HCl (alpha-difluoromethylornithine or DFMO), an irreversible inhibitor of ornithine decarboxylase, blocks polyamine synthesis and has demonstrated antitumor activity in cell culture and animal tumor models. Eflornithine 0-16 ornithine decarboxylase 1 Homo sapiens 87-110 3115911-1 1987 Eflornithine-HCl (alpha-difluoromethylornithine or DFMO), an irreversible inhibitor of ornithine decarboxylase, blocks polyamine synthesis and has demonstrated antitumor activity in cell culture and animal tumor models. Eflornithine 18-47 ornithine decarboxylase 1 Homo sapiens 87-110 3115911-1 1987 Eflornithine-HCl (alpha-difluoromethylornithine or DFMO), an irreversible inhibitor of ornithine decarboxylase, blocks polyamine synthesis and has demonstrated antitumor activity in cell culture and animal tumor models. Eflornithine 51-55 ornithine decarboxylase 1 Homo sapiens 87-110 3117720-1 1987 alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 74-97 3117720-1 1987 alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 99-102 3117720-1 1987 alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 74-97 3117720-1 1987 alpha-Difluoromethylornithine (DFMO) is a known irreversible inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 99-102 3114741-1 1987 The current study examines the effects of alpha-difluoromethylornithine (DFMO), an irreversible ornithine decarboxylase inhibitor, on pancreatic growth and development of rat neonates. Eflornithine 42-71 ornithine decarboxylase 1 Rattus norvegicus 96-119 3114741-1 1987 The current study examines the effects of alpha-difluoromethylornithine (DFMO), an irreversible ornithine decarboxylase inhibitor, on pancreatic growth and development of rat neonates. Eflornithine 73-77 ornithine decarboxylase 1 Rattus norvegicus 96-119 3116512-2 1987 Formation is dependent on the enzyme ornithine decarboxylase (ODC) which is irreversibly inhibited by alpha-difluoromethylornithine (DFMO). Eflornithine 102-131 ornithine decarboxylase 1 Rattus norvegicus 37-60 3116512-2 1987 Formation is dependent on the enzyme ornithine decarboxylase (ODC) which is irreversibly inhibited by alpha-difluoromethylornithine (DFMO). Eflornithine 102-131 ornithine decarboxylase 1 Rattus norvegicus 62-65 3116512-2 1987 Formation is dependent on the enzyme ornithine decarboxylase (ODC) which is irreversibly inhibited by alpha-difluoromethylornithine (DFMO). Eflornithine 133-137 ornithine decarboxylase 1 Rattus norvegicus 37-60 3116512-2 1987 Formation is dependent on the enzyme ornithine decarboxylase (ODC) which is irreversibly inhibited by alpha-difluoromethylornithine (DFMO). Eflornithine 133-137 ornithine decarboxylase 1 Rattus norvegicus 62-65 3096554-2 1986 Recently, insight into the role of ODC and thus into the physiology of polyamines has been gained by the use of an inhibitor of ODC, difluoromethylornithine (DFMO). Eflornithine 133-156 ornithine decarboxylase, structural 1 Mus musculus 35-38 3096554-2 1986 Recently, insight into the role of ODC and thus into the physiology of polyamines has been gained by the use of an inhibitor of ODC, difluoromethylornithine (DFMO). Eflornithine 133-156 ornithine decarboxylase, structural 1 Mus musculus 128-131 3096554-2 1986 Recently, insight into the role of ODC and thus into the physiology of polyamines has been gained by the use of an inhibitor of ODC, difluoromethylornithine (DFMO). Eflornithine 158-162 ornithine decarboxylase, structural 1 Mus musculus 35-38 3096554-2 1986 Recently, insight into the role of ODC and thus into the physiology of polyamines has been gained by the use of an inhibitor of ODC, difluoromethylornithine (DFMO). Eflornithine 158-162 ornithine decarboxylase, structural 1 Mus musculus 128-131 3096554-7 1986 Because of the apparent selectivity of the antimitotic activity of DFMO towards tumors, ODC inhibitors may prove to be useful anticancer drugs. Eflornithine 67-71 ornithine decarboxylase, structural 1 Mus musculus 88-91 3096557-1 1986 alpha-Difluoromethylornithine (DFMO) and methyl acetylene putrescine (MAP) are inhibitors of the rate limiting enzyme in polyamine synthesis, ornithine decarboxylase. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 142-165 3096557-1 1986 alpha-Difluoromethylornithine (DFMO) and methyl acetylene putrescine (MAP) are inhibitors of the rate limiting enzyme in polyamine synthesis, ornithine decarboxylase. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 142-165 3096559-2 1986 Treatment with DFMO together with rec-IFN-gamma synergistically inhibited KO-RCC-1 cell growth in monolayer culture and in soft agar. Eflornithine 15-19 regulator of chromosome condensation 1 Homo sapiens 77-82 3096559-5 1986 The polyamine content in KO-RCC-1 cells was decreased to a greater extent by combined treatment with DFMO and rec-IFN-gamma than that in Bewo and HT-1197 cells. Eflornithine 101-105 regulator of chromosome condensation 1 Homo sapiens 28-33 3096587-2 1986 The second objective of this work was to determine whether treatment with D,L-2-difluoromethylornithine (DFMO), a synthetic inhibitor of the enzyme ornithine decarboxylase, would reduce the occurrence of mammary cancers in tamoxifen-treated or ovariectomized rats. Eflornithine 105-109 ornithine decarboxylase 1 Rattus norvegicus 148-171 3097421-9 1986 The ODC inhibitor alpha-difluoromethylornithine blocked the cryoinjury-induced changes in ODC, polyamines, fluorescein uptake, and capillary ultrastructure. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 4-7 3097421-9 1986 The ODC inhibitor alpha-difluoromethylornithine blocked the cryoinjury-induced changes in ODC, polyamines, fluorescein uptake, and capillary ultrastructure. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 90-93 3093066-1 1986 The objective of the present investigation was to examine the effect of in vivo polyamine depletion by DL-alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, on cell-mediated tumoricidal activity in normal and tumor-bearing (B16 melanoma) mice. Eflornithine 103-135 ornithine decarboxylase, structural 1 Mus musculus 181-204 3093066-1 1986 The objective of the present investigation was to examine the effect of in vivo polyamine depletion by DL-alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, on cell-mediated tumoricidal activity in normal and tumor-bearing (B16 melanoma) mice. Eflornithine 137-141 ornithine decarboxylase, structural 1 Mus musculus 181-204 3096943-6 1986 The specific irreversible ODC inhibitor, alpha-difluoromethylornithine, significantly reduced lung-ODC activity and putrescine and spermidine specific content; it also caused significant early reductions in lung DNA and protein content without simultaneously affecting body weight and appearance. Eflornithine 41-70 ornithine decarboxylase 1 Rattus norvegicus 26-29 3096943-6 1986 The specific irreversible ODC inhibitor, alpha-difluoromethylornithine, significantly reduced lung-ODC activity and putrescine and spermidine specific content; it also caused significant early reductions in lung DNA and protein content without simultaneously affecting body weight and appearance. Eflornithine 41-70 ornithine decarboxylase 1 Rattus norvegicus 99-102 3096321-3 1986 We report here that alpha-difluoromethylornithine, a specific enzyme-activated inhibitor of ornithine decarboxylase activity, can induce differentiation in human embryonal carcinoma cells. Eflornithine 20-49 ornithine decarboxylase 1 Homo sapiens 92-115 3094378-4 1986 Inhibition of ODC with difluoromethylornithine lead to mucosal atrophy in ileum but not in duodenum. Eflornithine 23-46 ornithine decarboxylase 1 Rattus norvegicus 14-17 3802047-1 1986 We previously demonstrated that repeated instillation of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits (or retards) urinary bladder carcinogenesis in rats. Eflornithine 57-86 ornithine decarboxylase 1 Rattus norvegicus 124-147 3802047-1 1986 We previously demonstrated that repeated instillation of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits (or retards) urinary bladder carcinogenesis in rats. Eflornithine 57-86 ornithine decarboxylase 1 Rattus norvegicus 149-152 3802047-1 1986 We previously demonstrated that repeated instillation of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits (or retards) urinary bladder carcinogenesis in rats. Eflornithine 88-92 ornithine decarboxylase 1 Rattus norvegicus 124-147 3802047-1 1986 We previously demonstrated that repeated instillation of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits (or retards) urinary bladder carcinogenesis in rats. Eflornithine 88-92 ornithine decarboxylase 1 Rattus norvegicus 149-152 3802047-2 1986 Since ODC catalyzes the first step in polyamine synthesis, the inhibition of polyamine formation may be responsible for tumor inhibition by DFMO. Eflornithine 140-144 ornithine decarboxylase 1 Rattus norvegicus 6-9 3100403-4 1986 MNNG-induced tumours were inhibited by selenium or by difluoromethylornithine, an ornithine decarboxylase inhibitor. Eflornithine 54-77 ornithine decarboxylase 1 Rattus norvegicus 82-105 2433364-1 1986 The effect of human interferon (IFN) and alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of eukaryotic ornithine decarboxylase, on the rate of DNA synthesis and the increase of ornithine decarboxylase activity of T47D cells was examined. Eflornithine 41-70 ornithine decarboxylase 1 Homo sapiens 136-159 2433364-1 1986 The effect of human interferon (IFN) and alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of eukaryotic ornithine decarboxylase, on the rate of DNA synthesis and the increase of ornithine decarboxylase activity of T47D cells was examined. Eflornithine 41-70 ornithine decarboxylase 1 Homo sapiens 210-233 2433364-1 1986 The effect of human interferon (IFN) and alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of eukaryotic ornithine decarboxylase, on the rate of DNA synthesis and the increase of ornithine decarboxylase activity of T47D cells was examined. Eflornithine 72-76 ornithine decarboxylase 1 Homo sapiens 136-159 2433364-5 1986 The biological implication of IFN and DFMO is discussed with regard to the regulation of ornithine decarboxylase activity and the antiproliferative effects of the two drugs. Eflornithine 38-42 ornithine decarboxylase 1 Homo sapiens 89-112 3095679-1 1986 The roles of ornithine decarboxylase and the polyamines in behavioral development were examined through the use of alpha-difluoromethylornithine, a specific irreversible inhibitor of ornithine decarboxylase. Eflornithine 115-144 ornithine decarboxylase 1 Homo sapiens 183-206 3095679-5 1986 Thus, the behavioral effects of alpha-difluoromethylornithine exposure are highly dependent upon the age at which the drug is administered, a finding in keeping with the participation of the ornithine decarboxylase/polyamine system in cell replication and differentiation during discrete periods of neural development. Eflornithine 32-61 ornithine decarboxylase 1 Homo sapiens 191-214 3094839-4 1986 More recently, the replication of neuronal cells in developing brain has been shown to require the maintenance of polyamine levels and consequently, depletion of polyamines by alpha-difluoromethylornithine (DFMO, an ODC inhibitor) arrests brain cell maturation. Eflornithine 176-205 ornithine decarboxylase 1 Homo sapiens 216-219 3094839-6 1986 Indeed, [3H]DFMO-autoradiographic localization of ODC in developing cerebellar lamina indicates high levels of activity associated with neuropil, areas of axonal outgrowth, and post-mitotic granule cells. Eflornithine 12-16 ornithine decarboxylase 1 Homo sapiens 50-53 3090896-5 1986 In the ileum ODC activity increased dramatically in refed rats and was essentially eliminated in rats fed DFMO. Eflornithine 106-110 ornithine decarboxylase 1 Rattus norvegicus 13-16 3015379-4 1986 L1210 murine leukemia and 8226 human myeloma cells were treated with alpha-difluoromethylornithine (DFMO) to reduce intracellular polyamine levels via inhibition of ornithine decarboxylase. Eflornithine 69-98 ornithine decarboxylase 1 Homo sapiens 165-188 3015379-4 1986 L1210 murine leukemia and 8226 human myeloma cells were treated with alpha-difluoromethylornithine (DFMO) to reduce intracellular polyamine levels via inhibition of ornithine decarboxylase. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 165-188 3023951-6 1986 Variants were selected for resistance to 0.1 mM difluoromethylornithine, an inhibitor of ODC, by either a single or a multistep process. Eflornithine 48-71 ornithine decarboxylase, structural 1 Mus musculus 89-92 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 104-133 ornithine decarboxylase, structural 1 Mus musculus 64-87 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 104-133 ornithine decarboxylase, structural 1 Mus musculus 89-92 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 104-133 ornithine decarboxylase, structural 1 Mus musculus 181-184 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 135-139 ornithine decarboxylase, structural 1 Mus musculus 64-87 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 135-139 ornithine decarboxylase, structural 1 Mus musculus 89-92 3091023-2 1986 Hormonal effects were measured in female mice maintained on the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO), which results in a 85-90% reduction of ODC enzyme levels and a depletion of putrescine concentrations in kidney. Eflornithine 135-139 ornithine decarboxylase, structural 1 Mus musculus 181-184 3087889-2 1986 CAL 18 A cells, derived from a breast carcinoma, were incubated with alpha-difluoromethylornithine (DFMO)--a specific and irreversible inhibitor of ornithine decarboxylase (ODC)--at a 1 mM or 10-mM concentration for either 1 hr or 24 hr and irradiated thereafter. Eflornithine 69-98 ornithine decarboxylase 1 Homo sapiens 148-171 3087889-2 1986 CAL 18 A cells, derived from a breast carcinoma, were incubated with alpha-difluoromethylornithine (DFMO)--a specific and irreversible inhibitor of ornithine decarboxylase (ODC)--at a 1 mM or 10-mM concentration for either 1 hr or 24 hr and irradiated thereafter. Eflornithine 69-98 ornithine decarboxylase 1 Homo sapiens 173-176 3087889-2 1986 CAL 18 A cells, derived from a breast carcinoma, were incubated with alpha-difluoromethylornithine (DFMO)--a specific and irreversible inhibitor of ornithine decarboxylase (ODC)--at a 1 mM or 10-mM concentration for either 1 hr or 24 hr and irradiated thereafter. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 148-171 3087889-2 1986 CAL 18 A cells, derived from a breast carcinoma, were incubated with alpha-difluoromethylornithine (DFMO)--a specific and irreversible inhibitor of ornithine decarboxylase (ODC)--at a 1 mM or 10-mM concentration for either 1 hr or 24 hr and irradiated thereafter. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 173-176 3087889-7 1986 Measurement of ODC indicated that this enzyme was markedly inactivated upon brief incubation of CAL 18 A cells with DFMO, reflecting a depletion of polyamine synthesis. Eflornithine 116-120 ornithine decarboxylase 1 Homo sapiens 15-18 3085924-1 1986 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, was examined as a single and combined agent in growth studies using P3J, a Burkitt"s lymphoma cell line. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 67-90 3085924-1 1986 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, was examined as a single and combined agent in growth studies using P3J, a Burkitt"s lymphoma cell line. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 67-90 3934157-3 1985 Here we report that ornithine decarboxylase is regulated at the translational level by polyamines in difluoromethylornithine-resistant mouse myeloma cells that overproduce the enzyme due to amplification of an ornithine decarboxylase gene. Eflornithine 101-124 ornithine decarboxylase, structural 1 Mus musculus 20-43 3934157-3 1985 Here we report that ornithine decarboxylase is regulated at the translational level by polyamines in difluoromethylornithine-resistant mouse myeloma cells that overproduce the enzyme due to amplification of an ornithine decarboxylase gene. Eflornithine 101-124 ornithine decarboxylase, structural 1 Mus musculus 210-233 3935643-5 1985 Difluoromethylornithine (DFMO) and sodium molybdate had marked antiproliferative effects in HEC-50 cultures, reducing cell numbers to 10 to 20% of control values 11 d after plating and inhibiting ODC activity by approximately 80% on Day 7. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 196-199 3935643-5 1985 Difluoromethylornithine (DFMO) and sodium molybdate had marked antiproliferative effects in HEC-50 cultures, reducing cell numbers to 10 to 20% of control values 11 d after plating and inhibiting ODC activity by approximately 80% on Day 7. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 196-199 3935643-6 1985 The antiproliferative effect of DFMO, but not that of molybdate, was reversed by 10 microM putrescine, the product of ODC activity. Eflornithine 32-36 ornithine decarboxylase 1 Homo sapiens 118-121 3935643-9 1985 These results indicate that ODC activity, present in both epithelial and stromal cells, as shown analytically and also by autoradiography after labeling with [3H]DFMO, may be related to cell proliferation in vivo and that proliferation of human endometrial cancer cells in culture can be arrested by DFMO and by molybdate. Eflornithine 162-166 ornithine decarboxylase 1 Homo sapiens 28-31 3935643-9 1985 These results indicate that ODC activity, present in both epithelial and stromal cells, as shown analytically and also by autoradiography after labeling with [3H]DFMO, may be related to cell proliferation in vivo and that proliferation of human endometrial cancer cells in culture can be arrested by DFMO and by molybdate. Eflornithine 300-304 ornithine decarboxylase 1 Homo sapiens 28-31 3931086-2 1985 At concentrations of 0.5 mM and above alpha-difluoromethyl ornithine (DFMO), which inhibits ornithine decarboxylase and the conversion of ornithine to putrescine, significantly attenuated the mitogenic effect of prolactin. Eflornithine 38-68 ornithine decarboxylase 1 Homo sapiens 92-115 3931086-2 1985 At concentrations of 0.5 mM and above alpha-difluoromethyl ornithine (DFMO), which inhibits ornithine decarboxylase and the conversion of ornithine to putrescine, significantly attenuated the mitogenic effect of prolactin. Eflornithine 38-68 prolactin Homo sapiens 212-221 3931086-2 1985 At concentrations of 0.5 mM and above alpha-difluoromethyl ornithine (DFMO), which inhibits ornithine decarboxylase and the conversion of ornithine to putrescine, significantly attenuated the mitogenic effect of prolactin. Eflornithine 70-74 ornithine decarboxylase 1 Homo sapiens 92-115 3931086-2 1985 At concentrations of 0.5 mM and above alpha-difluoromethyl ornithine (DFMO), which inhibits ornithine decarboxylase and the conversion of ornithine to putrescine, significantly attenuated the mitogenic effect of prolactin. Eflornithine 70-74 prolactin Homo sapiens 212-221 2998352-2 1985 alpha-Difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, suppressed the isoproterenol-induced increase in submandibular polyamines and inhibited mucin secretion. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 55-78 2998352-2 1985 alpha-Difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, suppressed the isoproterenol-induced increase in submandibular polyamines and inhibited mucin secretion. Eflornithine 0-29 solute carrier family 13 member 2 Rattus norvegicus 168-173 2998352-3 1985 Exogenous putrescine restored tissue polyamine levels and partially reversed the inhibitory effect of alpha-difluoromethylornithine on mucin secretion. Eflornithine 102-131 solute carrier family 13 member 2 Rattus norvegicus 135-140 3930296-4 1985 alpha-DFMO, an enzyme-activated irreversible inhibitor of ODC, does not react with the monomeric form and therefore the influence of substrate and salts on the aggregation equilibrium must be taken into account in titration experiments with alpha-DFMO of the total amount of ODC in tissue preparations. Eflornithine 0-10 ornithine decarboxylase 1 Rattus norvegicus 58-61 3930296-4 1985 alpha-DFMO, an enzyme-activated irreversible inhibitor of ODC, does not react with the monomeric form and therefore the influence of substrate and salts on the aggregation equilibrium must be taken into account in titration experiments with alpha-DFMO of the total amount of ODC in tissue preparations. Eflornithine 0-10 ornithine decarboxylase 1 Rattus norvegicus 275-278 3931300-1 1985 Previous work in our laboratory has shown that the continuous administration of alpha-difluoromethylornithine (DFMO), a highly specific irreversible inhibitor of ornithine decarboxylase (ODC), which is the rate-limiting enzyme in polyamine biosynthesis, prevented the development of pulmonary hypertension and right ventricular hypertrophy induced in rats 21 days after a single injection of monocrotaline (MCT). Eflornithine 80-109 ornithine decarboxylase 1 Rattus norvegicus 162-185 3931300-1 1985 Previous work in our laboratory has shown that the continuous administration of alpha-difluoromethylornithine (DFMO), a highly specific irreversible inhibitor of ornithine decarboxylase (ODC), which is the rate-limiting enzyme in polyamine biosynthesis, prevented the development of pulmonary hypertension and right ventricular hypertrophy induced in rats 21 days after a single injection of monocrotaline (MCT). Eflornithine 80-109 ornithine decarboxylase 1 Rattus norvegicus 187-190 3931300-1 1985 Previous work in our laboratory has shown that the continuous administration of alpha-difluoromethylornithine (DFMO), a highly specific irreversible inhibitor of ornithine decarboxylase (ODC), which is the rate-limiting enzyme in polyamine biosynthesis, prevented the development of pulmonary hypertension and right ventricular hypertrophy induced in rats 21 days after a single injection of monocrotaline (MCT). Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 162-185 3931300-1 1985 Previous work in our laboratory has shown that the continuous administration of alpha-difluoromethylornithine (DFMO), a highly specific irreversible inhibitor of ornithine decarboxylase (ODC), which is the rate-limiting enzyme in polyamine biosynthesis, prevented the development of pulmonary hypertension and right ventricular hypertrophy induced in rats 21 days after a single injection of monocrotaline (MCT). Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 187-190 2413987-1 1985 The in vitro effects of alpha-difluoromethyl ornithine (DFMO) on the growth and the secretion of alpha-fetoprotein (AFP) and albumin in human hepatoma cell line PLC/PRF/5 were studied. Eflornithine 24-54 alpha fetoprotein Homo sapiens 97-114 2413987-1 1985 The in vitro effects of alpha-difluoromethyl ornithine (DFMO) on the growth and the secretion of alpha-fetoprotein (AFP) and albumin in human hepatoma cell line PLC/PRF/5 were studied. Eflornithine 24-54 alpha fetoprotein Homo sapiens 116-119 2413987-1 1985 The in vitro effects of alpha-difluoromethyl ornithine (DFMO) on the growth and the secretion of alpha-fetoprotein (AFP) and albumin in human hepatoma cell line PLC/PRF/5 were studied. Eflornithine 56-60 alpha fetoprotein Homo sapiens 97-114 2413987-1 1985 The in vitro effects of alpha-difluoromethyl ornithine (DFMO) on the growth and the secretion of alpha-fetoprotein (AFP) and albumin in human hepatoma cell line PLC/PRF/5 were studied. Eflornithine 56-60 alpha fetoprotein Homo sapiens 116-119 2413987-1 1985 The in vitro effects of alpha-difluoromethyl ornithine (DFMO) on the growth and the secretion of alpha-fetoprotein (AFP) and albumin in human hepatoma cell line PLC/PRF/5 were studied. Eflornithine 56-60 heparan sulfate proteoglycan 2 Homo sapiens 161-164 3931903-0 1985 Inhibition of ornithine decarboxylase activity by small doses of alpha-difluoromethylornithine. Eflornithine 65-94 ornithine decarboxylase, structural 1 Mus musculus 14-37 3931903-3 1985 We studied the dose and dose schedule of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, needed to effectively inhibit ODC activity in mice. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 102-105 3931903-3 1985 We studied the dose and dose schedule of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, needed to effectively inhibit ODC activity in mice. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 137-140 3931903-3 1985 We studied the dose and dose schedule of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, needed to effectively inhibit ODC activity in mice. Eflornithine 72-76 ornithine decarboxylase, structural 1 Mus musculus 102-105 3931903-3 1985 We studied the dose and dose schedule of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, needed to effectively inhibit ODC activity in mice. Eflornithine 72-76 ornithine decarboxylase, structural 1 Mus musculus 137-140 3928149-1 1985 The objective of the present study was to investigate the effect of polyamine depletion by alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, on the growth and differentiation of B16 melanoma cells grown in culture and also as solid tumors in mice. Eflornithine 91-120 ornithine decarboxylase, structural 1 Mus musculus 166-189 3928149-1 1985 The objective of the present study was to investigate the effect of polyamine depletion by alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, on the growth and differentiation of B16 melanoma cells grown in culture and also as solid tumors in mice. Eflornithine 122-126 ornithine decarboxylase, structural 1 Mus musculus 166-189 3928149-6 1985 Administration of different doses of DFMO in drinking water to B16 melanoma tumor bearing mice also resulted in an increase in tyrosinase activity and a dose dependent inhibition (86-90%) of tumor growth. Eflornithine 37-41 tyrosinase Mus musculus 127-137 3930245-1 1985 alpha-Difluoromethylornithine (DFMO), a highly selective inhibitor of ornithine decarboxylase (ODC), induced terminal differentiation of F9 mouse embryonal carcinoma cells in culture. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 95-98 3930245-1 1985 alpha-Difluoromethylornithine (DFMO), a highly selective inhibitor of ornithine decarboxylase (ODC), induced terminal differentiation of F9 mouse embryonal carcinoma cells in culture. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 70-93 3930245-1 1985 alpha-Difluoromethylornithine (DFMO), a highly selective inhibitor of ornithine decarboxylase (ODC), induced terminal differentiation of F9 mouse embryonal carcinoma cells in culture. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 95-98 3926303-4 1985 The ornithine decarboxylase inhibitor alpha-difluoromethylornithine blocked the MTA-triggered accumulation of putrescine but not decarboxylated SAM. Eflornithine 38-67 ornithine decarboxylase, structural 1 Mus musculus 4-27 2864658-0 1985 Postnatal development of brain alpha 1-adrenergic receptors: in vitro autoradiography with [125I]HEAT in normal rats and rats treated with alpha-difluoromethylornithine, a specific, irreversible inhibitor of ornithine decarboxylase. Eflornithine 139-168 ornithine decarboxylase 1 Rattus norvegicus 208-231 2864658-6 1985 The two patterns could be distinguished by their sensitivity to alpha-difluoromethylornithine, a drug that inhibits ornithine decarboxylase, leading to a slowing of cellular replication, differentiation and migration. Eflornithine 64-93 ornithine decarboxylase 1 Rattus norvegicus 116-139 3931214-9 1985 When polyamine synthesis is blocked with the ODC inhibitor difluoromethyl ornithine (DFMO), the adaptive intestinal hyperplasia of pancreaticobiliary diversion is either inhibited or completely prevented. Eflornithine 59-83 ornithine decarboxylase 1 Homo sapiens 45-48 3931214-9 1985 When polyamine synthesis is blocked with the ODC inhibitor difluoromethyl ornithine (DFMO), the adaptive intestinal hyperplasia of pancreaticobiliary diversion is either inhibited or completely prevented. Eflornithine 85-89 ornithine decarboxylase 1 Homo sapiens 45-48 2409817-4 1985 Rats were maintained on a liquid diet for 5 days and treated with difluoromethylornithine (DFMO, 200 mg/kg ip, 3 times/day), a selective, irreversible inhibitor of ODC, for 5 days. Eflornithine 66-89 ornithine decarboxylase 1 Rattus norvegicus 164-167 2409817-4 1985 Rats were maintained on a liquid diet for 5 days and treated with difluoromethylornithine (DFMO, 200 mg/kg ip, 3 times/day), a selective, irreversible inhibitor of ODC, for 5 days. Eflornithine 91-95 ornithine decarboxylase 1 Rattus norvegicus 164-167 3859699-7 1985 Increased ODC activity was the result of the increase in enzymatically active ODC protein, quantitated by a [3H]difluoromethylornithine-binding assay. Eflornithine 112-135 ornithine decarboxylase 1 Homo sapiens 10-13 3859699-7 1985 Increased ODC activity was the result of the increase in enzymatically active ODC protein, quantitated by a [3H]difluoromethylornithine-binding assay. Eflornithine 112-135 ornithine decarboxylase 1 Homo sapiens 78-81 3924051-0 1985 Potentiation by alpha-difluoromethylornithine of the activity of 3,4-dihydroxybenzylamine, a tyrosinase-dependent melanolytic agent, against B16 melanoma. Eflornithine 16-45 tyrosinase Mus musculus 93-103 3924051-1 1985 Continuous exposure for 96 hr of B16 melanoma cells in culture to 2.5 mM alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, resulted in a marked increase in the activity of the enzyme tyrosinase, and also 20% cell kill as assessed by clonogenic assay. Eflornithine 73-102 ornithine decarboxylase, structural 1 Mus musculus 152-175 3924051-1 1985 Continuous exposure for 96 hr of B16 melanoma cells in culture to 2.5 mM alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, resulted in a marked increase in the activity of the enzyme tyrosinase, and also 20% cell kill as assessed by clonogenic assay. Eflornithine 73-102 tyrosinase Mus musculus 237-247 3924051-1 1985 Continuous exposure for 96 hr of B16 melanoma cells in culture to 2.5 mM alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, resulted in a marked increase in the activity of the enzyme tyrosinase, and also 20% cell kill as assessed by clonogenic assay. Eflornithine 104-108 ornithine decarboxylase, structural 1 Mus musculus 152-175 3924051-4 1985 This observed cytotoxicity with the combination suggests that induction of tyrosinase by DFMO sensitizes B16 melanoma cells to the melanolytic activity of DHBA. Eflornithine 89-93 tyrosinase Mus musculus 75-85 3924051-5 1985 Oral administration of DFMO to mice bearing subcutaneous B16 melanomas also resulted in marked increases in the activity of tyrosinase in the tumor tissue. Eflornithine 23-27 tyrosinase Mus musculus 124-134 3921243-5 1985 alpha-Difluoromethylornithine (DFMO, 0.1 mM), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 70-73 3921243-5 1985 alpha-Difluoromethylornithine (DFMO, 0.1 mM), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 128-131 3921243-5 1985 alpha-Difluoromethylornithine (DFMO, 0.1 mM), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 70-73 3921243-5 1985 alpha-Difluoromethylornithine (DFMO, 0.1 mM), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 128-131 3921243-9 1985 Hormone-responsive cells exhibited differential sensitivity to DFMO; resistant cell lines (e.g., MCF-7) were found to possess higher endogeneous levels of ODC than sensitive cell lines (e.g., T-47D and ZR-75-1). Eflornithine 63-67 ornithine decarboxylase 1 Homo sapiens 155-158 3925242-4 1985 TPN + DFMO resulted in a higher plasma albumin level and lower tumor ODC activity compared with chow feeding or TPN. Eflornithine 6-10 ornithine decarboxylase 1 Rattus norvegicus 69-72 3921237-1 1985 We have investigated the effect of pretreatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) on the cytocidal efficacy of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) in a series of five cultured human adenocarcinoma cell lines. Eflornithine 91-120 ornithine decarboxylase 1 Homo sapiens 57-80 3921237-1 1985 We have investigated the effect of pretreatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) on the cytocidal efficacy of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) in a series of five cultured human adenocarcinoma cell lines. Eflornithine 122-126 ornithine decarboxylase 1 Homo sapiens 57-80 3921237-11 1985 These results suggest that DFMO-induced chemosensitization to BCNU in the four cell lines other than ME-180 is a specific consequence of the inhibition of ornithine decarboxylase by DFMO and the resulting depletion of intracellular polyamine content. Eflornithine 27-31 ornithine decarboxylase 1 Homo sapiens 155-178 3921237-11 1985 These results suggest that DFMO-induced chemosensitization to BCNU in the four cell lines other than ME-180 is a specific consequence of the inhibition of ornithine decarboxylase by DFMO and the resulting depletion of intracellular polyamine content. Eflornithine 182-186 ornithine decarboxylase 1 Homo sapiens 155-178 2582110-1 1985 The addition of DL-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, to human Plasmodium falciparum-infected red cells in continuous culture decreased both parasite growth and intracellular polyamine concentrations. Eflornithine 16-48 ornithine decarboxylase 1 Homo sapiens 79-102 2582110-4 1985 Concentrations of DL-alpha-difluoromethylornithine greater than 0.3 mM decreased intracellular levels of putrescine and spermidine, reduced ornithine decarboxylase activity and inhibited growth and maturation of the intracellular parasite at the trophozoite stage. Eflornithine 18-50 ornithine decarboxylase 1 Homo sapiens 140-163 3925368-1 1985 alpha-Difluoromethylornithine specifically and irreversibly inhibits the enzyme ornithine decarboxylase. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 80-103 2859859-6 1985 alpha-Difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ODC, given orally or subcutaneously, almost completely abolished the induction of ODC by APM or immobilization, and inhibited the increase of putrescine in both cases, but did not affect spermidine after APM. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 73-76 2859859-6 1985 alpha-Difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ODC, given orally or subcutaneously, almost completely abolished the induction of ODC by APM or immobilization, and inhibited the increase of putrescine in both cases, but did not affect spermidine after APM. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 155-158 2859859-6 1985 alpha-Difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ODC, given orally or subcutaneously, almost completely abolished the induction of ODC by APM or immobilization, and inhibited the increase of putrescine in both cases, but did not affect spermidine after APM. Eflornithine 31-41 ornithine decarboxylase 1 Rattus norvegicus 73-76 2859859-6 1985 alpha-Difluoromethylornithine (alpha-DFMO), an irreversible inhibitor of ODC, given orally or subcutaneously, almost completely abolished the induction of ODC by APM or immobilization, and inhibited the increase of putrescine in both cases, but did not affect spermidine after APM. Eflornithine 31-41 ornithine decarboxylase 1 Rattus norvegicus 155-158 3919940-2 1985 The stimulation of tyrosinase (EC 1.10.3.1) activity and melanin formation by DFMO was closely associated with intracellular depletion of putrescine and spermidine developed in response to the drug. Eflornithine 78-82 tyrosinase Mus musculus 19-29 3857388-3 1985 The effect of oPRL and oGH was blocked by alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase, the rate-limiting enzyme of polyamine biosynthesis. Eflornithine 42-71 ornithine decarboxylase 1 Rattus norvegicus 103-126 3857388-3 1985 The effect of oPRL and oGH was blocked by alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase, the rate-limiting enzyme of polyamine biosynthesis. Eflornithine 73-77 ornithine decarboxylase 1 Rattus norvegicus 103-126 3923382-5 1985 Pretreatment of the animals with D,L-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase reduced both, polyamine turnover rate and the extent of putrescine reutilization. Eflornithine 33-66 ornithine decarboxylase 1 Homo sapiens 97-120 3921019-2 1985 Pretreatment of cells with a specific ornithine decarboxylase inhibitor, DL-alpha-difluoromethyl-ornithine significantly inhibited the effect of the mitogen on DNA synthesis. Eflornithine 73-106 ornithine decarboxylase 1 Homo sapiens 38-61 3925717-1 1985 In adult rats, the intracerebroventricular injection of alpha-difluoromethylornithine (DFMO), a polyamine antimetabolite which specifically inhibits ornithine-decarboxylase, induces a typical convulsive syndrome (ED50 = 100 micrograms/rat) and death (LD50 = 300 micrograms/rat). Eflornithine 56-85 ornithine decarboxylase 1 Rattus norvegicus 149-172 3925717-1 1985 In adult rats, the intracerebroventricular injection of alpha-difluoromethylornithine (DFMO), a polyamine antimetabolite which specifically inhibits ornithine-decarboxylase, induces a typical convulsive syndrome (ED50 = 100 micrograms/rat) and death (LD50 = 300 micrograms/rat). Eflornithine 87-91 ornithine decarboxylase 1 Rattus norvegicus 149-172 3917869-4 1985 DFMO effectively inhibited the growth of 804G cells stimulated by Fraction I or by 10% FCS, and the inhibition was associated with suppression of ODC activity and partial depletion of intracellular putrescine and spermidine. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 146-149 3934106-1 1985 Difluoromethylornithine (DFMO), a non-competitive inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of the polyamine synthetic pathway was evaluated in a Phase I trial. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 63-86 3934106-1 1985 Difluoromethylornithine (DFMO), a non-competitive inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of the polyamine synthetic pathway was evaluated in a Phase I trial. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 88-91 3934106-1 1985 Difluoromethylornithine (DFMO), a non-competitive inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of the polyamine synthetic pathway was evaluated in a Phase I trial. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 63-86 3934106-1 1985 Difluoromethylornithine (DFMO), a non-competitive inhibitor of ornithine decarboxylase (ODC), the rate limiting enzyme of the polyamine synthetic pathway was evaluated in a Phase I trial. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 88-91 3917438-4 1985 Three different classes of embryonal carcinoma cell lines reflect differential changes in polyamine levels resulting from inhibition of ornithine decarboxylase enzyme activity by DFMO. Eflornithine 179-183 ornithine decarboxylase, structural 1 Mus musculus 136-159 3934184-4 1985 Despite the fact that 1,3-diaminopropane and putrescine inhibited the ODC activity more effectively than did alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, they were considerably less antiproliferative in action. Eflornithine 109-138 ornithine decarboxylase, structural 1 Mus musculus 193-196 3934184-4 1985 Despite the fact that 1,3-diaminopropane and putrescine inhibited the ODC activity more effectively than did alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, they were considerably less antiproliferative in action. Eflornithine 140-144 ornithine decarboxylase, structural 1 Mus musculus 193-196 3923379-1 1985 Rats were treated with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), at a dose of 200 mg/kg/day SC, either prenatally (to the mothers, on days 16 to 20 of gestation) or neonatally (to the pups, on days 1 to 10 after birth). Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 90-113 3923379-1 1985 Rats were treated with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), at a dose of 200 mg/kg/day SC, either prenatally (to the mothers, on days 16 to 20 of gestation) or neonatally (to the pups, on days 1 to 10 after birth). Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 115-118 3923379-1 1985 Rats were treated with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), at a dose of 200 mg/kg/day SC, either prenatally (to the mothers, on days 16 to 20 of gestation) or neonatally (to the pups, on days 1 to 10 after birth). Eflornithine 54-58 ornithine decarboxylase 1 Rattus norvegicus 115-118 3923379-7 1985 ODC activity in brains of DFMO-exposed offspring was substantially inhibited throughout treatment (-72 to -41%, compared with respective controls), but showed a strong rebound after termination of treatment (up to +400%, compared with respective controls). Eflornithine 26-30 ornithine decarboxylase 1 Rattus norvegicus 0-3 3133375-1 1988 We previously demonstrated that repeated intravesical instillation of DFMO, an irreversible inhibitor of ornithine decarboxylase, inhibits (or retards) urinary bladder carcinogenesis in rats. Eflornithine 70-74 ornithine decarboxylase 1 Rattus norvegicus 105-128 3140600-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 92-122 ornithine decarboxylase, structural 1 Mus musculus 61-84 3140600-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 92-122 ornithine decarboxylase, structural 1 Mus musculus 86-89 3140600-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 interferon beta 1, fibroblast Mus musculus 11-26 3140600-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 ornithine decarboxylase, structural 1 Mus musculus 61-84 3140600-1 1988 Both mouse interferon-beta (MuIFN-beta) and the inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethyl ornithine (DFMO), inhibited the differentiation of mouse 3T3-L1 fibroblasts into adipocytes in a dose-dependent manner. Eflornithine 124-128 ornithine decarboxylase, structural 1 Mus musculus 86-89 3125429-3 1988 High performance liquid chromatography analysis of methionine cycle intermediates in cells from untreated rats and from rats treated with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO) indicated that the inhibitor causes pronounced changes in concentrations of these intermediates and dramatically alters the methylation index of the cell. Eflornithine 176-208 ornithine decarboxylase 1 Rattus norvegicus 142-165 3125429-3 1988 High performance liquid chromatography analysis of methionine cycle intermediates in cells from untreated rats and from rats treated with the ornithine decarboxylase inhibitor DL-alpha-difluoromethylornithine (DFMO) indicated that the inhibitor causes pronounced changes in concentrations of these intermediates and dramatically alters the methylation index of the cell. Eflornithine 210-214 ornithine decarboxylase 1 Rattus norvegicus 142-165 3131785-5 1988 injection of 50 mgkg-1) and of alpha-di fluoromethylornithine (DFMO) (100 mgkg-1 every 12 h for 7 consecutive days) caused a 62.5% inhibition of ventricular ODC activity, and a significant decrease of the ventricular content of putrescine and spermidine (-59.5%, and -40.1%, respectively). Eflornithine 31-61 ornithine decarboxylase 1 Rattus norvegicus 157-160 3131785-5 1988 injection of 50 mgkg-1) and of alpha-di fluoromethylornithine (DFMO) (100 mgkg-1 every 12 h for 7 consecutive days) caused a 62.5% inhibition of ventricular ODC activity, and a significant decrease of the ventricular content of putrescine and spermidine (-59.5%, and -40.1%, respectively). Eflornithine 63-67 ornithine decarboxylase 1 Rattus norvegicus 157-160 2824033-1 1987 The effects of alpha-difluoromethylornithine (DFMO), an ornithine analogue which is an ornithine decarboxylase inhibitor, on the actions of the topoisomerase II-reactive agents 4"-(9-acridinylamino)methanesulfon-m-anisidide (m-AMSA) and etoposide (VP-16) were investigated in 2 murine L1210 leukemia lines and 2 human HL-60 leukemia lines. Eflornithine 15-44 ornithine decarboxylase, structural 1 Mus musculus 87-110 3119414-2 1987 DFMO is an irreversible inhibitor of ornithine decarboxylase (ODC), the initial enzyme in the production of polyamines. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 37-60 3119414-2 1987 DFMO is an irreversible inhibitor of ornithine decarboxylase (ODC), the initial enzyme in the production of polyamines. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 62-65 3119414-12 1987 Protein synthesis and ornithine decarboxylase activity in the skin were both significantly decreased by DFMO. Eflornithine 104-108 ornithine decarboxylase 1 Rattus norvegicus 22-45 3129415-1 1987 DL-alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase [EC 4.1.1.17] (ODC), inhibited concanavalin A-induced proliferation of splenic mononuclear cells (SMNC). Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 104-107 3129415-1 1987 DL-alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase [EC 4.1.1.17] (ODC), inhibited concanavalin A-induced proliferation of splenic mononuclear cells (SMNC). Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 104-107 3117796-8 1987 Inhibition of ornithine decarboxylase by 5 mM difluoromethylornithine completely abolished glycolytic enzyme induction. Eflornithine 46-69 ornithine decarboxylase 1 Rattus norvegicus 14-37 3117718-2 1987 Difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, was administered as a 2% aqueous solution in the drinking water. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 69-92 3117718-2 1987 Difluoromethylornithine (DFMO), a specific irreversible inhibitor of ornithine decarboxylase, was administered as a 2% aqueous solution in the drinking water. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 69-92 3119663-5 1987 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, suppressed the calcium reperfusion-induced increase in polyamines and the concomitant increase in myocardial cellular 45Ca influx, loss of contractility, release of cytosolic enzymes, myoglobin, and protein, and structural lesions. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 70-73 3119663-5 1987 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, suppressed the calcium reperfusion-induced increase in polyamines and the concomitant increase in myocardial cellular 45Ca influx, loss of contractility, release of cytosolic enzymes, myoglobin, and protein, and structural lesions. Eflornithine 0-29 myoglobin Rattus norvegicus 259-268 3119663-5 1987 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, suppressed the calcium reperfusion-induced increase in polyamines and the concomitant increase in myocardial cellular 45Ca influx, loss of contractility, release of cytosolic enzymes, myoglobin, and protein, and structural lesions. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 70-73 3119663-5 1987 alpha-Difluoromethylornithine (DFMO), a specific suicide inhibitor of ODC, suppressed the calcium reperfusion-induced increase in polyamines and the concomitant increase in myocardial cellular 45Ca influx, loss of contractility, release of cytosolic enzymes, myoglobin, and protein, and structural lesions. Eflornithine 31-35 myoglobin Rattus norvegicus 259-268 3119663-6 1987 Putrescine, the product of ODC activity, nullified DFMO inhibition and restored the calcium reperfusion-induced increment in polyamines and the full expression of the calcium paradox. Eflornithine 51-55 ornithine decarboxylase 1 Rattus norvegicus 27-30 3115898-6 1987 That the effects of DFMO on the macrophages probably resulted from a reduction in polyamine levels caused by inhibition of ornithine decarboxylase was indicated by the fact that these effects were not seen when the macrophages were incubated with DFMO in the presence of putrescine, the product of ornithine decarboxylation by ornithine decarboxylase. Eflornithine 20-24 ornithine decarboxylase, structural 1 Mus musculus 123-146 3115898-6 1987 That the effects of DFMO on the macrophages probably resulted from a reduction in polyamine levels caused by inhibition of ornithine decarboxylase was indicated by the fact that these effects were not seen when the macrophages were incubated with DFMO in the presence of putrescine, the product of ornithine decarboxylation by ornithine decarboxylase. Eflornithine 20-24 ornithine decarboxylase, structural 1 Mus musculus 327-350 3109985-9 1987 Stimulation of GAG synthesis was significantly inhibited by the administration of 5 mM DFMO (an irreversible inhibitor of ODC), indicating that the marked increase in GAG production was dependent, in part, on the induction of ODC activity by EGF and PGE2. Eflornithine 87-91 ornithine decarboxylase, structural 1 Mus musculus 122-125 3109985-9 1987 Stimulation of GAG synthesis was significantly inhibited by the administration of 5 mM DFMO (an irreversible inhibitor of ODC), indicating that the marked increase in GAG production was dependent, in part, on the induction of ODC activity by EGF and PGE2. Eflornithine 87-91 ornithine decarboxylase, structural 1 Mus musculus 226-229 3109985-9 1987 Stimulation of GAG synthesis was significantly inhibited by the administration of 5 mM DFMO (an irreversible inhibitor of ODC), indicating that the marked increase in GAG production was dependent, in part, on the induction of ODC activity by EGF and PGE2. Eflornithine 87-91 epidermal growth factor Mus musculus 242-245 3111804-9 1987 DFMO-treated weanling rats showed less than 5% of ornithine decarboxylase (ODC) activity when compared to age-matched control animals. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 50-73 3111804-9 1987 DFMO-treated weanling rats showed less than 5% of ornithine decarboxylase (ODC) activity when compared to age-matched control animals. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 75-78 3111804-10 1987 The effects observed on the small intestinal mucosa are presumably due to inhibition of ornithine decarboxylase activities by DFMO which prevents the proliferation, regeneration, and maturation of epithelial cells. Eflornithine 126-130 ornithine decarboxylase 1 Rattus norvegicus 88-111 3111273-6 1987 DNA, RNA, and protein content were decreased by 3.4 M NaCl, and these decreases were much greater if ODC was inhibited by pretreatment with alpha-difluoromethylornithine (DFMO). Eflornithine 140-169 ornithine decarboxylase 1 Rattus norvegicus 101-104 3111273-6 1987 DNA, RNA, and protein content were decreased by 3.4 M NaCl, and these decreases were much greater if ODC was inhibited by pretreatment with alpha-difluoromethylornithine (DFMO). Eflornithine 171-175 ornithine decarboxylase 1 Rattus norvegicus 101-104 3111477-1 1987 We investigated the cytotoxic effects of nitrosoureas with and without a 42-hr preincubation with the ornithine decarboxylase (EC 4.1.1.17) inhibitor alpha-difluoromethylornithine (DFMO, 1 mM) in a MER+ (methylation excision repair positive) human cell line. Eflornithine 150-179 ornithine decarboxylase 1 Homo sapiens 102-125 2436752-0 1987 Altered expression of beta-globin, transferrin receptor, and ornithine decarboxylase in Friend murine erythroleukemia cells inhibited by alpha-difluoromethylornithine. Eflornithine 137-166 ornithine decarboxylase, structural 1 Mus musculus 61-84 2436752-1 1987 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC) and restricts the proliferation and differentiation of Friend murine erythroleukemia cells. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 69-92 2436752-1 1987 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC) and restricts the proliferation and differentiation of Friend murine erythroleukemia cells. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 94-97 2436752-1 1987 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC) and restricts the proliferation and differentiation of Friend murine erythroleukemia cells. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 69-92 2436752-1 1987 alpha-Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC) and restricts the proliferation and differentiation of Friend murine erythroleukemia cells. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 94-97 2436752-4 1987 However, in the presence of DFMO the levels of ODC remained elevated even when the cells had stopped dividing; this appears to be a feedback mechanism to overcome the effects of the inhibitor. Eflornithine 28-32 ornithine decarboxylase, structural 1 Mus musculus 47-50 2436752-5 1987 TFR expression paralleled regular cell division and was curtailed when replication was reduced by DFMO. Eflornithine 98-102 transferrin receptor Mus musculus 0-3 3105898-3 1987 Polyamine depletion was achieved utilizing the specific irreversible inhibitor of ornithine decarboxylase (ODC), DL-alpha-difluoromethylornithine (DFMO). Eflornithine 113-145 ornithine decarboxylase 1 Homo sapiens 82-105 3105898-3 1987 Polyamine depletion was achieved utilizing the specific irreversible inhibitor of ornithine decarboxylase (ODC), DL-alpha-difluoromethylornithine (DFMO). Eflornithine 147-151 ornithine decarboxylase 1 Homo sapiens 82-105 3106075-4 1987 The rise in enzyme activity was blocked by actinomycin D and cycloheximide, suggesting control at the transcriptional and translational levels, alpha-Difluoromethylornithine (DFMO), a catalytic and irreversible inhibitor of ODC, prevented the appearance of enzyme activity. Eflornithine 144-173 ornithine decarboxylase 1 Homo sapiens 224-227 3106075-4 1987 The rise in enzyme activity was blocked by actinomycin D and cycloheximide, suggesting control at the transcriptional and translational levels, alpha-Difluoromethylornithine (DFMO), a catalytic and irreversible inhibitor of ODC, prevented the appearance of enzyme activity. Eflornithine 175-179 ornithine decarboxylase 1 Homo sapiens 224-227 3107550-1 1987 An exposure of a human myeloma cell line to 2-difluoromethylornithine the mechanism-based inhibitor of ornithine decarboxylase (EC 4.1.1.17), resulted in a selection of tumor cells readily growing in the presence of 4 mM difluoromethylornithine, a concentration that swiftly halted the growth of the parental cells. Eflornithine 44-69 ornithine decarboxylase 1 Homo sapiens 103-126 3107550-1 1987 An exposure of a human myeloma cell line to 2-difluoromethylornithine the mechanism-based inhibitor of ornithine decarboxylase (EC 4.1.1.17), resulted in a selection of tumor cells readily growing in the presence of 4 mM difluoromethylornithine, a concentration that swiftly halted the growth of the parental cells. Eflornithine 46-69 ornithine decarboxylase 1 Homo sapiens 103-126 3105330-8 1987 DFMO significantly reduced ODC activity at every age except 40 days, where there was no difference from control values. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 27-30 3102048-1 1987 The antiproliferative effects of the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) are limited by the inability of the compound to deplete completely cellular polyamine pools. Eflornithine 71-100 ornithine decarboxylase, structural 1 Mus musculus 37-60 3102048-1 1987 The antiproliferative effects of the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) are limited by the inability of the compound to deplete completely cellular polyamine pools. Eflornithine 102-106 ornithine decarboxylase, structural 1 Mus musculus 37-60 3102048-4 1987 It therefore seemed possible that DFMO and MeSAdo could interact synergistically to inhibit polyamine synthesis in MeSAdo phosphorylase-deficient malignant cells. Eflornithine 34-38 methylthioadenosine phosphorylase Homo sapiens 115-135 3102050-11 1987 Although normal host tissue weights were not affected by treatment with DFMO, the putrescine and spermidine levels of liver, spleen, and kidney and ornithine decarboxylase activity of the liver and kidney were decreased. Eflornithine 72-76 ornithine decarboxylase 1 Rattus norvegicus 148-171 3110101-0 1987 The effect of alpha-difluoromethylornithine, an inhibitor of polyamine biosynthesis, on mitogen-induced interleukin 2 production. Eflornithine 14-43 interleukin 2 Mus musculus 104-117 3110101-1 1987 The objective of the present investigation was to examine the effect of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, on mitogen-induced interleukin 2 production. Eflornithine 72-104 ornithine decarboxylase, structural 1 Mus musculus 142-165 3110101-1 1987 The objective of the present investigation was to examine the effect of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, on mitogen-induced interleukin 2 production. Eflornithine 72-104 interleukin 2 Mus musculus 186-199 3110101-1 1987 The objective of the present investigation was to examine the effect of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, on mitogen-induced interleukin 2 production. Eflornithine 106-110 ornithine decarboxylase, structural 1 Mus musculus 142-165 3110101-1 1987 The objective of the present investigation was to examine the effect of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, on mitogen-induced interleukin 2 production. Eflornithine 106-110 interleukin 2 Mus musculus 186-199 3110101-3 1987 In contrast, DFMO treatment enhanced, greater than two-fold, detectable levels of concanavalin A-induced interleukin 2 activity. Eflornithine 13-17 interleukin 2 Mus musculus 105-118 3110101-4 1987 This observed augmentation was not limited to in vitro DFMO treatment, since oral administration of DFMO to C57BL/6 mice also enhanced concanavalin A-induced interleukin 2 levels in vitro. Eflornithine 100-104 interleukin 2 Mus musculus 158-171 3110101-5 1987 Treatment with exogenous putrescine reversed the effect of DFMO on interleukin 2 levels. Eflornithine 59-63 interleukin 2 Mus musculus 67-80 3110101-6 1987 These results suggest that the effect of DFMO on interleukin 2 levels is mediated through polyamines. Eflornithine 41-45 interleukin 2 Mus musculus 49-62 3106317-1 1987 A difference was observed in the effect of difluoromethlyornithine (DFMO), a specific inhibitor of ornithine decarboxylase, on human and murine granulocyte-macrophage precursor cell (CFU-C) proliferation in vitro, in the presence of fetal bovine serum (FBS) and horse serum (HS). Eflornithine 68-72 ornithine decarboxylase 1 Homo sapiens 99-122 3106317-4 1987 The importance of DAO in the assessment of polyamine effects is also suggested by decreased colony formation in cultures containing HS and DFMO only after the addition of this enzyme. Eflornithine 139-143 amine oxidase copper containing 1 Homo sapiens 18-21 3108836-1 1987 Alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine-decarboxylase (ODC), key enzyme in the biosynthesis of polyamines, physiological compounds involved in cell multiplication. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 77-100 3108836-1 1987 Alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine-decarboxylase (ODC), key enzyme in the biosynthesis of polyamines, physiological compounds involved in cell multiplication. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 102-105 3108836-1 1987 Alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine-decarboxylase (ODC), key enzyme in the biosynthesis of polyamines, physiological compounds involved in cell multiplication. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 77-100 3108836-1 1987 Alpha-difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine-decarboxylase (ODC), key enzyme in the biosynthesis of polyamines, physiological compounds involved in cell multiplication. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 102-105 3109315-0 1987 Increased survival of CD1 mice bearing dimethylhydrazine induced primary colon and anal cancers by difluoromethylornithine with concomitant increase in angiosarcoma incidence. Eflornithine 99-122 CD1 antigen complex Mus musculus 22-25 3102080-2 1987 In this regard, we have utilized alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 33-62 ornithine decarboxylase 1 Homo sapiens 100-103 3102080-2 1987 In this regard, we have utilized alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 64-68 ornithine decarboxylase 1 Homo sapiens 100-103 3102080-3 1987 DFMO treatment completely abrogated Con A-induced NW T-cell ODC activity. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 60-63 3109382-0 1987 Human myeloma cells acquire resistance to difluoromethylornithine by amplification of ornithine decarboxylase gene. Eflornithine 42-65 ornithine decarboxylase 1 Homo sapiens 86-109 3109382-1 1987 Stepwise increments of the concentration of 2-difluoromethylornithine (DFMO), a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (ODC), resulted in a selection of cultured human IgG-myeloma cells (Sultan cell line) capable of growing in the presence of up to 3 mM-DFMO. Eflornithine 44-69 ornithine decarboxylase 1 Homo sapiens 132-155 3109382-1 1987 Stepwise increments of the concentration of 2-difluoromethylornithine (DFMO), a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (ODC), resulted in a selection of cultured human IgG-myeloma cells (Sultan cell line) capable of growing in the presence of up to 3 mM-DFMO. Eflornithine 44-69 ornithine decarboxylase 1 Homo sapiens 157-160 3109382-1 1987 Stepwise increments of the concentration of 2-difluoromethylornithine (DFMO), a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (ODC), resulted in a selection of cultured human IgG-myeloma cells (Sultan cell line) capable of growing in the presence of up to 3 mM-DFMO. Eflornithine 71-75 ornithine decarboxylase 1 Homo sapiens 132-155 3109382-1 1987 Stepwise increments of the concentration of 2-difluoromethylornithine (DFMO), a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (ODC), resulted in a selection of cultured human IgG-myeloma cells (Sultan cell line) capable of growing in the presence of up to 3 mM-DFMO. Eflornithine 71-75 ornithine decarboxylase 1 Homo sapiens 157-160 3109383-1 1987 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented the increases in putrescine and spermidine, but not in spermine, in human erythrocytes infected with the malarial parasite Plasmodium falciparum. Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 70-93 3109383-1 1987 DL-alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented the increases in putrescine and spermidine, but not in spermine, in human erythrocytes infected with the malarial parasite Plasmodium falciparum. Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 70-93 3104728-1 1987 Copenhagen rats with implanted metastatic prostate carcinomas have been treated with the drug alpha-difluoromethylornithine (DFMO), an inhibitor of the enzyme ornithine decarboxylase. Eflornithine 94-123 ornithine decarboxylase 1 Rattus norvegicus 159-182 3104728-1 1987 Copenhagen rats with implanted metastatic prostate carcinomas have been treated with the drug alpha-difluoromethylornithine (DFMO), an inhibitor of the enzyme ornithine decarboxylase. Eflornithine 125-129 ornithine decarboxylase 1 Rattus norvegicus 159-182 3100897-2 1987 alpha-Difluoromethylornithine (DFMO), is a specific and irreversible inhibitor of ornithine decarboxylase (ODC); the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 82-105 3100897-2 1987 alpha-Difluoromethylornithine (DFMO), is a specific and irreversible inhibitor of ornithine decarboxylase (ODC); the rate-limiting enzyme in polyamine biosynthesis. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 107-110 2427159-1 1986 Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC; 200-800 mg/kg, s.c.), to rats has no detectable behavioral effects using a battery of tests to assess sensorimotor function. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 48-71 2427159-1 1986 Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC; 200-800 mg/kg, s.c.), to rats has no detectable behavioral effects using a battery of tests to assess sensorimotor function. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 73-76 2427159-1 1986 Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC; 200-800 mg/kg, s.c.), to rats has no detectable behavioral effects using a battery of tests to assess sensorimotor function. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 48-71 3089220-1 1986 alpha-Difluoromethylornithine (DFMO) has been widely used for determining the amounts of ornithine decarboxylase (ODC) in cells. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 89-112 3089220-1 1986 alpha-Difluoromethylornithine (DFMO) has been widely used for determining the amounts of ornithine decarboxylase (ODC) in cells. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 114-117 3089220-1 1986 alpha-Difluoromethylornithine (DFMO) has been widely used for determining the amounts of ornithine decarboxylase (ODC) in cells. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 89-112 3089220-1 1986 alpha-Difluoromethylornithine (DFMO) has been widely used for determining the amounts of ornithine decarboxylase (ODC) in cells. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 114-117 3011686-6 1986 On the other hand, an inhibitor of ODC, DFMO, the protein kinase inhibitors, the calmodulin inhibitor and retinoic acid suppressed TPA-induced HTLV-I p19 expression but did not suppress multinucleated cell formation. Eflornithine 40-44 interleukin 23 subunit alpha Homo sapiens 150-153 3085964-9 1986 The retinoid and DFMO preclude TPA-increased ornithine decarboxylase (ODC) activity and the accumulation of putrescine by differential effects on ODC, an enzyme associated with skin tumor promotion by TPA. Eflornithine 17-21 ornithine decarboxylase, structural 1 Mus musculus 45-68 3085964-9 1986 The retinoid and DFMO preclude TPA-increased ornithine decarboxylase (ODC) activity and the accumulation of putrescine by differential effects on ODC, an enzyme associated with skin tumor promotion by TPA. Eflornithine 17-21 ornithine decarboxylase, structural 1 Mus musculus 70-73 3085964-9 1986 The retinoid and DFMO preclude TPA-increased ornithine decarboxylase (ODC) activity and the accumulation of putrescine by differential effects on ODC, an enzyme associated with skin tumor promotion by TPA. Eflornithine 17-21 ornithine decarboxylase, structural 1 Mus musculus 146-149 3091371-1 1986 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, and human leukocyte interferon (IFN-alpha) have synergistic anti-tumor activities in vivo in B 16 melanoma and in vitro against several human cancer cell lines. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 61-84 3091371-1 1986 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, and human leukocyte interferon (IFN-alpha) have synergistic anti-tumor activities in vivo in B 16 melanoma and in vitro against several human cancer cell lines. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 61-84 3086160-6 1986 Experiments performed with DFMO, a specific and irreversible inhibitor of ODC, show that this compound can prevent the stimulation of growth by oestradiol and that this may be overcome by the addition of putrescine to the cells. Eflornithine 27-31 ornithine decarboxylase 1 Homo sapiens 74-77 2424111-0 1986 Inhibition of ileal and colonic ornithine decarboxylase activity by alpha-difluoromethylornithine in rats: transient atrophic changes and loss of postresectional adaptive growth. Eflornithine 68-97 ornithine decarboxylase 1 Rattus norvegicus 32-55 2424111-1 1986 To determine the role of putrescine synthesis in adaptive hyperplasia of the ileum and colon, DL-alpha-difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (ODC), the enzyme controlling putrescine biosynthesis, was fed to rats after excision of the proximal half of the small bowel. Eflornithine 128-132 ornithine decarboxylase 1 Rattus norvegicus 182-205 2424111-3 1986 Inclusion of 1% DFMO (2.1 gm/kg/day) in drinking water for 12 hours before operation and for 14 days thereafter decreased ODC activity by 85% to 96%, reduced levels of putrescine and spermidine and measurements of the adaptive response by 50% in the ileum, and abolished the adaptive response in the colon. Eflornithine 16-20 ornithine decarboxylase 1 Rattus norvegicus 122-125 3087389-4 1986 However, prolonged suppression of ODC activity by DL-alpha-difluoromethylornithine (DFMO) (200 microM) attenuated the growth of Nb2 cells (50-60% inhibition), indicating that normal cell growth was dependent on ODC and polyamine biosynthesis. Eflornithine 50-82 ornithine decarboxylase 1 Homo sapiens 34-37 3087389-4 1986 However, prolonged suppression of ODC activity by DL-alpha-difluoromethylornithine (DFMO) (200 microM) attenuated the growth of Nb2 cells (50-60% inhibition), indicating that normal cell growth was dependent on ODC and polyamine biosynthesis. Eflornithine 84-88 ornithine decarboxylase 1 Homo sapiens 34-37 3087389-4 1986 However, prolonged suppression of ODC activity by DL-alpha-difluoromethylornithine (DFMO) (200 microM) attenuated the growth of Nb2 cells (50-60% inhibition), indicating that normal cell growth was dependent on ODC and polyamine biosynthesis. Eflornithine 84-88 ornithine decarboxylase 1 Homo sapiens 211-214 3084121-5 1986 Whereas the mammary tumors of DFMO-treated rats had reduced ODC activity and lower polyamine concentrations in comparison to the tumors of untreated animals, tamoxifen had no effect on these parameters independent of its effect on tumor growth status. Eflornithine 30-34 ornithine decarboxylase 1 Rattus norvegicus 60-63 3082705-3 1986 The specific ODC inhibitor, alpha-difluoromethylornithine was given as a 3% oral solution (5.4 g/kg X day intake) to hepatectomized rats as well as sham-operated controls. Eflornithine 28-57 ornithine decarboxylase 1 Rattus norvegicus 13-16 3082705-4 1986 alpha-Difluoromethylornithine had no effect other than inhibition of the low basal levels of ODC in sham-operated rats, but it markedly inhibited increases in ODC by 85% in hepatectomized rats. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 159-162 3082705-5 1986 alpha-Difluoromethylornithine reduced hepatic deoxyribonucleic acid synthesis by 61%, protein synthesis by 46%, and liver weight increased by 83%, showing that alpha-difluoromethylornithine inhibition of ODC inhibits liver regeneration. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 204-207 3082705-5 1986 alpha-Difluoromethylornithine reduced hepatic deoxyribonucleic acid synthesis by 61%, protein synthesis by 46%, and liver weight increased by 83%, showing that alpha-difluoromethylornithine inhibition of ODC inhibits liver regeneration. Eflornithine 160-189 ornithine decarboxylase 1 Rattus norvegicus 204-207 3082705-8 1986 In rats given alpha-difluoromethylornithine, putrescine markedly reversed the inhibitory effect of alpha-difluoromethylornithine on ODC (83%), deoxyribonucleic acid synthesis (94%), protein synthesis (95%), and liver regeneration (85%). Eflornithine 99-128 ornithine decarboxylase 1 Rattus norvegicus 132-135 3009500-2 1986 It was found that these triamines did lead to a restoration of growth in cells in which spermidine content had been depleted by exposure to the ornithine decarboxylase inhibitor 2-difluoromethylornithine. Eflornithine 178-203 ornithine decarboxylase, structural 1 Mus musculus 144-167 3083692-3 1986 In 19-day pregnant rats DL-alpha-difluoromethylornithine treatment inhibited the expression of enhanced ODC activity occurring normally at this stage of pregnancy. Eflornithine 24-56 ornithine decarboxylase 1 Rattus norvegicus 104-107 3004707-4 1986 Moreover, in the spectrum of human lung carcinoma cells in culture, the SCC cells respond in a cytotoxic manner to DFMO, whereas the non-small cell lung carcinoma (non-SCC) cells, which are anchorage dependent, show only growth inhibition, without actual cell loss. Eflornithine 115-119 serpin family B member 3 Homo sapiens 72-75 3004707-6 1986 Two non-SCC lung cancer cell lines, which normally grow as anchorage-dependent monolayers, show growth inhibition but no cell loss with the addition of DFMO. Eflornithine 152-156 serpin family B member 3 Homo sapiens 8-11 3093095-6 1986 Treatment with D,L-alpha-difluoromethylornithine X HCl X H2O (DFMO), a specific irreversible inhibitor of ODC activity, completely abrogated lymphokine-dependent ODC induction in both the CTLL-20 and FDC-P1 cell lines. Eflornithine 62-66 ornithine decarboxylase, structural 1 Mus musculus 106-109 3093095-6 1986 Treatment with D,L-alpha-difluoromethylornithine X HCl X H2O (DFMO), a specific irreversible inhibitor of ODC activity, completely abrogated lymphokine-dependent ODC induction in both the CTLL-20 and FDC-P1 cell lines. Eflornithine 62-66 ornithine decarboxylase, structural 1 Mus musculus 162-165 3093095-8 1986 DFMO treatment reduced both IL-2- and IL-3-dependent proliferation in a dose-dependent manner. Eflornithine 0-4 interleukin 2 Mus musculus 28-42 3757919-4 1986 The inhibition of ornithine decarboxylase activity in SC 115 by injecting alpha-difluoromethylornithine did not affect the enhancement of RNA polymerase I activity by androgen, showing independent elevation of the levels of the two enzymes by androgen. Eflornithine 74-103 ornithine decarboxylase, structural 1 Mus musculus 18-41 3082276-3 1986 In 1978 alpha-difluoromethylornithine (DFMO), a powerful inhibitor of ornithine decarboxylase, the rate limiting enzyme in polyamine synthesis, was synthesized by Metcalf. Eflornithine 8-37 ornithine decarboxylase 1 Homo sapiens 70-93 3082276-3 1986 In 1978 alpha-difluoromethylornithine (DFMO), a powerful inhibitor of ornithine decarboxylase, the rate limiting enzyme in polyamine synthesis, was synthesized by Metcalf. Eflornithine 39-43 ornithine decarboxylase 1 Homo sapiens 70-93 3008983-1 1986 The intracisternal injection of either all-trans-retinoic acid or [alpha]-difluoromethylornithine (DFMO) into the brain of 9-day-old mice blocked (greater than 90%) phorbol ester-induced ornithine decarboxylase (ODC, EC 4.1.1.17) activity in a concentration-dependent fashion; this inhibition was not evident with the use of the biologically impotent furyl analog of retinoic acid. Eflornithine 66-97 ornithine decarboxylase, structural 1 Mus musculus 187-210 3008983-1 1986 The intracisternal injection of either all-trans-retinoic acid or [alpha]-difluoromethylornithine (DFMO) into the brain of 9-day-old mice blocked (greater than 90%) phorbol ester-induced ornithine decarboxylase (ODC, EC 4.1.1.17) activity in a concentration-dependent fashion; this inhibition was not evident with the use of the biologically impotent furyl analog of retinoic acid. Eflornithine 66-97 ornithine decarboxylase, structural 1 Mus musculus 212-215 3008983-1 1986 The intracisternal injection of either all-trans-retinoic acid or [alpha]-difluoromethylornithine (DFMO) into the brain of 9-day-old mice blocked (greater than 90%) phorbol ester-induced ornithine decarboxylase (ODC, EC 4.1.1.17) activity in a concentration-dependent fashion; this inhibition was not evident with the use of the biologically impotent furyl analog of retinoic acid. Eflornithine 99-103 ornithine decarboxylase, structural 1 Mus musculus 187-210 3008983-1 1986 The intracisternal injection of either all-trans-retinoic acid or [alpha]-difluoromethylornithine (DFMO) into the brain of 9-day-old mice blocked (greater than 90%) phorbol ester-induced ornithine decarboxylase (ODC, EC 4.1.1.17) activity in a concentration-dependent fashion; this inhibition was not evident with the use of the biologically impotent furyl analog of retinoic acid. Eflornithine 99-103 ornithine decarboxylase, structural 1 Mus musculus 212-215 3080230-1 1986 We compared L-phenylalanine mustard (L-PAM)-induced cytotoxicity and DNA cross-linking with and without a 42-h preincubation with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO, 1 mM) in a human lymphoma cell line. Eflornithine 168-197 ornithine decarboxylase 1 Homo sapiens 134-157 3080235-1 1986 We have studied the effect of pretreatment with difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, on the cytocidal responses of four human adenocarcinoma cell lines to Adriamycin (ADR). Eflornithine 48-71 ornithine decarboxylase 1 Homo sapiens 83-106 3080235-1 1986 We have studied the effect of pretreatment with difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, on the cytocidal responses of four human adenocarcinoma cell lines to Adriamycin (ADR). Eflornithine 73-77 ornithine decarboxylase 1 Homo sapiens 83-106 2422585-0 1986 Effects of alpha-difluoromethylornithine, a specific irreversible inhibitor of ornithine decarboxylase, on nucleic acids and proteins in developing rat brain: critical perinatal periods for regional selectivity. Eflornithine 11-40 ornithine decarboxylase 1 Rattus norvegicus 79-102 2422585-1 1986 Ornithine decarboxylase and its metabolic products, the polyamines, are known to coordinate macromolecule synthesis in developing neural tissues; consequently, inhibition of this enzyme by alpha-difluoromethylornithine interferes with cellular replication and differentiation. Eflornithine 189-218 ornithine decarboxylase 1 Rattus norvegicus 0-23 3004454-0 1986 Human lung tumor sensitivity to difluoromethylornithine as related to ornithine decarboxylase messenger RNA levels. Eflornithine 32-55 ornithine decarboxylase 1 Homo sapiens 70-93 3006760-3 1986 The acetylation of decarboxylated S-adenosylmethionine occurred in vivo in SV-3T3 cells exposed to the ornithine decarboxylase inhibitor 2-(difluoromethyl)ornithine. Eflornithine 137-164 ornithine decarboxylase, structural 1 Mus musculus 103-126 3080004-6 1986 Similarly, the methyl and the ethyl esters of (E)-2-(fluoromethyl)dehydroornithine used at 10 times lower doses are as effective as the parent amino acid and as DFMO at inhibiting ODC in the ventral prostate of rat, 6 hr after oral administration. Eflornithine 161-165 ornithine decarboxylase 1 Rattus norvegicus 180-183 3754136-10 1986 The inhibitors of ODC, 1,3-diaminopropane and alpha-difluoromethylornithine, were able to inhibit the induction of the enzyme, without affecting the induction of haem oxygenase by Co2+. Eflornithine 46-75 ornithine decarboxylase 1 Rattus norvegicus 18-21 3098011-0 1986 The effect of alpha-difluoromethylornithine on ornithine decarboxylase activity in compensatory growth of mouse lung. Eflornithine 14-43 ornithine decarboxylase, structural 1 Mus musculus 47-70 3098011-3 1986 The effect of alpha-difluoromethylornithine was studied on the ornithine decarboxylase (E.C.4.1.1.17.) Eflornithine 14-43 ornithine decarboxylase, structural 1 Mus musculus 63-86 3098011-5 1986 Although a single injection of alpha-difluoromethylornithine inhibited ornithine decarboxylase activity, the compensatory growth of lung still occurred in spite of continuous alpha-difluoromethylornithine treatment. Eflornithine 31-60 ornithine decarboxylase, structural 1 Mus musculus 71-94 3084110-1 1986 We investigated the effect of pretreatment with difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, on the cytocidal responses of four human adenocarcinoma cell lines to two alkylating and crosslinking agents: chlorambucil and N,N",N"-triethylenethiophosphoramide (thiotepa). Eflornithine 48-71 ornithine decarboxylase 1 Homo sapiens 83-106 3084110-1 1986 We investigated the effect of pretreatment with difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, on the cytocidal responses of four human adenocarcinoma cell lines to two alkylating and crosslinking agents: chlorambucil and N,N",N"-triethylenethiophosphoramide (thiotepa). Eflornithine 73-77 ornithine decarboxylase 1 Homo sapiens 83-106 3087732-1 1986 The inhibitory effect of difluoromethylornithine (DFMO) synthesized by the authors on the activity of the ornithine decarboxylase (ODC) and proliferation of microbial and mammalian cells in vitro was studied. Eflornithine 25-48 ornithine decarboxylase 1 Homo sapiens 106-129 3087732-1 1986 The inhibitory effect of difluoromethylornithine (DFMO) synthesized by the authors on the activity of the ornithine decarboxylase (ODC) and proliferation of microbial and mammalian cells in vitro was studied. Eflornithine 25-48 ornithine decarboxylase 1 Homo sapiens 131-134 3087732-1 1986 The inhibitory effect of difluoromethylornithine (DFMO) synthesized by the authors on the activity of the ornithine decarboxylase (ODC) and proliferation of microbial and mammalian cells in vitro was studied. Eflornithine 50-54 ornithine decarboxylase 1 Homo sapiens 106-129 3087732-1 1986 The inhibitory effect of difluoromethylornithine (DFMO) synthesized by the authors on the activity of the ornithine decarboxylase (ODC) and proliferation of microbial and mammalian cells in vitro was studied. Eflornithine 50-54 ornithine decarboxylase 1 Homo sapiens 131-134 3079592-2 1986 On the contrary, conditions are described, where inhibition of the ODC activity with alpha-difluoromethyl ornithine (DFMO) stimulated the induced differentiation. Eflornithine 85-115 ornithine decarboxylase, structural 1 Mus musculus 67-70 3079592-2 1986 On the contrary, conditions are described, where inhibition of the ODC activity with alpha-difluoromethyl ornithine (DFMO) stimulated the induced differentiation. Eflornithine 117-121 ornithine decarboxylase, structural 1 Mus musculus 67-70 3082689-2 1986 Inhibiting the ornithine decarboxylase (ODC) activity DFMO depleted putrescine and spermidine to 30-50 and 50-60%, respectively, and increased spermine to 25-60% compared with the controls, when given as 2% solution in drinking water of the tumor-bearing animals. Eflornithine 54-58 ornithine decarboxylase, structural 1 Mus musculus 15-38 3082689-2 1986 Inhibiting the ornithine decarboxylase (ODC) activity DFMO depleted putrescine and spermidine to 30-50 and 50-60%, respectively, and increased spermine to 25-60% compared with the controls, when given as 2% solution in drinking water of the tumor-bearing animals. Eflornithine 54-58 ornithine decarboxylase, structural 1 Mus musculus 40-43 3084872-3 1986 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 62-65 3084872-3 1986 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 120-123 3084872-3 1986 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 62-65 3084872-3 1986 alpha-Difluoromethylornithine (DFMO), a specific inhibitor of ODC, blocked the estradiol-induced cell proliferation and ODC activity. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 120-123 3084872-4 1986 Exogenous addition of putrescine, the natural product of ODC, rescued the inhibitory effect of DFMO. Eflornithine 95-99 ornithine decarboxylase 1 Homo sapiens 57-60 3106959-3 1986 Difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that produces antiproliferative effects by polyamine depletion, was combined with the cytotoxic agent doxorubicin (DOX) in vitro. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 56-79 3106959-3 1986 Difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that produces antiproliferative effects by polyamine depletion, was combined with the cytotoxic agent doxorubicin (DOX) in vitro. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 81-84 3106959-3 1986 Difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that produces antiproliferative effects by polyamine depletion, was combined with the cytotoxic agent doxorubicin (DOX) in vitro. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 56-79 3787115-7 1986 The HTB system has been demonstrated to be useful for other investigations; for example, alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ODC, when instilled repeatedly to the bladder lumen, inhibited tumorigenesis in HTBs. Eflornithine 89-118 ornithine decarboxylase 1 Rattus norvegicus 166-169 2867766-2 1985 The ornithine decarboxylase inhibitor alpha-difluoromethylornithine blocked the K+-stimulated increase in enzyme activity and polyamines and also suppressed the increase in 45Ca2+ influx and efflux and the Ca2+-dependent release of GABA and norepinephrine. Eflornithine 38-67 ornithine decarboxylase 1 Rattus norvegicus 4-27 3936139-4 1985 Adult male rats were given a subcutaneous injection of either 105 mg/kg monocrotaline or its vehicle and were treated concurrently with either alpha-difluoromethylornithine (DFMO), a specific, irreversible inhibitor of ODC, or saline. Eflornithine 174-178 ornithine decarboxylase 1 Rattus norvegicus 219-222 3932087-8 1985 DFMO inhibited both CSF-induced proliferation and differentiation of myeloblasts, but had no effect on TPA-induced differentiation. Eflornithine 0-4 colony stimulating factor 2 Homo sapiens 20-23 3931682-3 1985 Both the crude and the purified enzyme preparations are inactivated irreversibly by alpha-difluoromethylornithine, a suicide inhibitor of mammalian ornithine decarboxylase. Eflornithine 84-113 ornithine decarboxylase 1 Homo sapiens 148-171 3930245-1 1985 alpha-Difluoromethylornithine (DFMO), a highly selective inhibitor of ornithine decarboxylase (ODC), induced terminal differentiation of F9 mouse embryonal carcinoma cells in culture. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 70-93 3919709-1 1985 A new method was developed for the assay of ornithine decarboxylase (ODC)-antizyme complex, in which alpha-difluoromethylornithine (DFMO)-inactivated ODC was used to release active ODC competitively from the complex. Eflornithine 101-130 ornithine decarboxylase 1 Homo sapiens 44-67 3919709-1 1985 A new method was developed for the assay of ornithine decarboxylase (ODC)-antizyme complex, in which alpha-difluoromethylornithine (DFMO)-inactivated ODC was used to release active ODC competitively from the complex. Eflornithine 132-136 ornithine decarboxylase 1 Homo sapiens 44-67 2983688-0 1985 Difluoromethylornithine-induced amplification of ornithine decarboxylase genes in Ehrlich ascites carcinoma cells. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 49-72 2983688-1 1985 Stepwise increments of the concentration of 2-difluoromethylornithine, a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (EC 4.1.1.17), resulted in a selection of cultured Ehrlich ascites carcinoma cells capable of growing in the presence of up to 50 mM difluoromethylornithine. Eflornithine 44-69 ornithine decarboxylase 1 Homo sapiens 125-148 2983688-1 1985 Stepwise increments of the concentration of 2-difluoromethylornithine, a mechanism-based irreversible inhibitor of mammalian ornithine decarboxylase (EC 4.1.1.17), resulted in a selection of cultured Ehrlich ascites carcinoma cells capable of growing in the presence of up to 50 mM difluoromethylornithine. Eflornithine 46-69 ornithine decarboxylase 1 Homo sapiens 125-148 2983688-4 1985 The overproduction of ornithine decarboxylase by the tumor cells grown under the pressure of difluoromethylornithine was at least partly attributable to a 10 to 20-fold increase in the total gene dosage of ornithine decarboxylase involving an amplification of several genes of the gene family. Eflornithine 93-116 ornithine decarboxylase, structural 1 Mus musculus 22-45 2983688-4 1985 The overproduction of ornithine decarboxylase by the tumor cells grown under the pressure of difluoromethylornithine was at least partly attributable to a 10 to 20-fold increase in the total gene dosage of ornithine decarboxylase involving an amplification of several genes of the gene family. Eflornithine 93-116 ornithine decarboxylase, structural 1 Mus musculus 206-229 2983688-6 1985 The overproduction of ornithine decarboxylase was accompanied by an enhanced resistance of the enzyme towards difluoromethylornithine in vitro. Eflornithine 110-133 ornithine decarboxylase, structural 1 Mus musculus 22-45 3918535-2 1985 Ornithine decarboxylase from Paju was resistant to inhibition in vitro by difluoromethylornithine, and required 10 microM of the compound for 50% inhibition, whereas ornithine decarboxylase from SH-SY5Y cells (another human neuroblastoma) and from rat liver needed only 0.5 microM difluoromethylornithine. Eflornithine 74-97 ornithine decarboxylase 1 Homo sapiens 0-23 3918535-2 1985 Ornithine decarboxylase from Paju was resistant to inhibition in vitro by difluoromethylornithine, and required 10 microM of the compound for 50% inhibition, whereas ornithine decarboxylase from SH-SY5Y cells (another human neuroblastoma) and from rat liver needed only 0.5 microM difluoromethylornithine. Eflornithine 281-304 ornithine decarboxylase 1 Homo sapiens 0-23 3918535-11 1985 These results suggest that Paju ornithine decarboxylase has an altered molecular conformation, rendering it resistant to (i) difluoromethylornithine and (ii) proteolytic degradation both in vivo and in vitro. Eflornithine 125-148 ornithine decarboxylase 1 Homo sapiens 32-55 3939097-1 1985 Specific, irreversible, inhibition of ODC activity with DFMO and resultant low levels of intracellular polyamines markedly suppress the induction of experimental colonic and mammary cancers and hold promise for augmenting the multidrug chemotherapy of established colonic, pancreatic, renal and mammary cancers without increasing systemic toxicity. Eflornithine 56-60 ornithine decarboxylase 1 Homo sapiens 38-41 3917400-1 1985 Murine embryonal carcinoma F9 cells can be induced to differentiate by 2-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC). Eflornithine 71-96 ornithine decarboxylase, structural 1 Mus musculus 134-157 3917400-1 1985 Murine embryonal carcinoma F9 cells can be induced to differentiate by 2-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC). Eflornithine 71-96 ornithine decarboxylase, structural 1 Mus musculus 159-162 3917400-1 1985 Murine embryonal carcinoma F9 cells can be induced to differentiate by 2-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC). Eflornithine 98-102 ornithine decarboxylase, structural 1 Mus musculus 134-157 3917400-1 1985 Murine embryonal carcinoma F9 cells can be induced to differentiate by 2-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC). Eflornithine 98-102 ornithine decarboxylase, structural 1 Mus musculus 159-162 3917400-4 1985 Both DFMO and RA reduce ornithine decarboxylase activity, polyamine levels and inhibit cell proliferation of F9 cells. Eflornithine 5-9 ornithine decarboxylase, structural 1 Mus musculus 24-47 11539696-2 1985 DL-alpha-Difluoromethylornithine (DFMO) and DL-alpha-difluoromethylarginine (DFMA), specific, irreversible ("suicide") inhibitors of ODC and ADC in vitro, were used to modulate PA biosynthesis in excised flowers. Eflornithine 0-32 ornithine decarboxylase Nicotiana tabacum 133-136 11539696-4 1985 In vivo inhibition of ODC with DFMO resulted in a significant decrease in PA titers, ovary fresh weight and protein content. Eflornithine 31-35 ornithine decarboxylase Nicotiana tabacum 22-25 11539696-5 1985 Simultaneous inhibition of both decarboxylases by DFMO and DFMA produced only a marginally greater depression in growth and PA titers, indicating that ODC activity is rate-limiting for PA biosynthesis in these tissues. Eflornithine 50-54 ornithine decarboxylase Nicotiana tabacum 151-154 11539696-7 1985 In vivo inhibition of ODC by DFMA appears to result from arginase-mediated hydrolysis of this inhibitor to urea and DFMO, the suicide substrate for ODC. Eflornithine 116-120 ornithine decarboxylase Nicotiana tabacum 22-25 11539696-7 1985 In vivo inhibition of ODC by DFMA appears to result from arginase-mediated hydrolysis of this inhibitor to urea and DFMO, the suicide substrate for ODC. Eflornithine 116-120 ornithine decarboxylase Nicotiana tabacum 148-151 3925543-8 1985 When polyamine synthesis is blocked with the ODC inhibitor, difluoromethyl ornithine (DFMO), the adaptive intestinal hyperplasia of pancreatico-biliary diversion is either inhibited or completely prevented. Eflornithine 60-84 ornithine decarboxylase 1 Homo sapiens 45-48 3925543-8 1985 When polyamine synthesis is blocked with the ODC inhibitor, difluoromethyl ornithine (DFMO), the adaptive intestinal hyperplasia of pancreatico-biliary diversion is either inhibited or completely prevented. Eflornithine 86-90 ornithine decarboxylase 1 Homo sapiens 45-48 2412277-2 1985 In Experiment 1, the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), was administered by gavage to one group only during AFB1 administration; another group received DFMO during AFB1 administration and for 2 months after carcinogen administration. Eflornithine 56-85 ornithine decarboxylase 1 Rattus norvegicus 21-44 2412277-2 1985 In Experiment 1, the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine (DFMO), was administered by gavage to one group only during AFB1 administration; another group received DFMO during AFB1 administration and for 2 months after carcinogen administration. Eflornithine 87-91 ornithine decarboxylase 1 Rattus norvegicus 21-44 2412277-7 1985 However, at 10 months following AFB1 and DFMO administration, the [3H]thymidine-labeling index and glucose-6-phosphatase staining were significantly increased. Eflornithine 41-45 glucose-6-phosphatase catalytic subunit 1 Rattus norvegicus 99-120 6438117-3 1984 DFMO, a specific inhibitor of ornithine decarboxylase, halts continued polyamine biosynthesis and the Spd analog serves as a functional substitute for Spd. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 30-53 3145970-1 1988 DFMO (difluoromethylornithine) and DFMA (difluoromethylarginine), irreversible suicide inhibitors of ornithine and arginine decarboxylase activities (ODC and ADC) respectively, inhibit the growth of six species of Microsporum and six species of Trichophyton. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 150-153 3145970-1 1988 DFMO (difluoromethylornithine) and DFMA (difluoromethylarginine), irreversible suicide inhibitors of ornithine and arginine decarboxylase activities (ODC and ADC) respectively, inhibit the growth of six species of Microsporum and six species of Trichophyton. Eflornithine 6-29 antizyme inhibitor 2 Homo sapiens 115-137 3145970-4 1988 Inhibition is specific, as a number of substrates and end products of ODC and ADC activities antagonize DFMA and DFMO (i.e. ornithine greater than putrescine = spermidine greater than agmatine). Eflornithine 113-117 ornithine decarboxylase 1 Homo sapiens 70-73 6435861-4 1984 It prolonged the survival of mice bearing L1210 or P388 leukemias and inhibited the development of Lewis lung carcinoma in mice at doses 10- to 20-fold lower than those of alpha-difluoromethylornithine, the most widely used irreversible inhibitor of ornithine decarboxylase. Eflornithine 172-201 ornithine decarboxylase, structural 1 Mus musculus 250-273 6439194-1 1984 The effects of alpha-difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, on cell growth rate, polyamine content and the content of decarboxylated S-adenosylmethionine in SV-3T3 transformed mouse fibroblasts were studied. Eflornithine 15-44 ornithine decarboxylase, structural 1 Mus musculus 70-93 6435867-3 1984 In the presence of ethylglyoxal bis(guanylhydrazone) and the ornithine decarboxylase inhibitor alpha-difluoromethylornithine, the cellular contents of putrescine, spermidine, and spermine were decreased by 75 to 90, 65 to 80, and 40 to 60%, respectively, compared with control cultures. Eflornithine 95-124 ornithine decarboxylase Bos taurus 61-84 6436005-8 1984 This observation should serve as a warning against uncritical acceptance of the notion that all effects of alpha-difluoromethylornithine are the result of inhibition of ornithine decarboxylase. Eflornithine 107-136 ornithine decarboxylase Bos taurus 169-192 6440787-8 1984 alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of ODC and binds covalently to the active enzyme. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 86-89 6440787-8 1984 alpha-Difluoromethylornithine (DFMO) is an enzyme-activated irreversible inhibitor of ODC and binds covalently to the active enzyme. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 86-89 6436232-2 1984 Ornithine decarboxylase from Paju was very resistant to inhibition by difluoromethylornithine in vitro (Ki = 10 microM compared to 0.5 microM for mouse kidney ornithine decarboxylase). Eflornithine 70-93 ornithine decarboxylase, structural 1 Mus musculus 0-23 6437245-5 1984 Continuous treatment with alpha-difluoromethylornithine, a highly specific enzyme-activated, irreversible inhibitor of ODC activity, prevented the development of MCT-induced pulmonary toxicity. Eflornithine 26-55 ornithine decarboxylase 1 Rattus norvegicus 119-122 6432307-3 1984 The frequency of 6-thioguanine-resistant mutant cells increased by approximately 9-fold as a result of the treatment with alpha-difluoromethylornithine, a potent inhibitor of ornithine decarboxylase (EC 4.1.1.17). Eflornithine 122-151 ornithine decarboxylase 1 Homo sapiens 175-198 6432313-2 1984 The cell kill produced by a 24-hr treatment with VCR or MTX was decreased in 9L cells pretreated with 1 mM alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 107-136 ornithine decarboxylase 1 Rattus norvegicus 167-190 6084857-1 1984 The role of ornithine decarboxylase and of polyamines was investigated on caerulein-induced pancreatic growth by the use of alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase. Eflornithine 124-153 ornithine decarboxylase 1 Homo sapiens 208-231 6208628-0 1984 Control of nucleic acid and protein synthesis in developing brain, kidney, and heart of the neonatal rat: effects of alpha-difluoromethylornithine, a specific, irreversible inhibitor of ornithine decarboxylase. Eflornithine 117-146 ornithine decarboxylase 1 Rattus norvegicus 186-209 6437251-4 1984 In animals given the specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), intestinal mucosal ODC activity was inhibited, and intestinal adaptation was suppressed, with marked diminution of the adaptive increase in mucosal weight and thickness especially in crypt depth. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 43-46 6437251-4 1984 In animals given the specific inhibitor of ODC, alpha-difluoromethylornithine (DFMO), intestinal mucosal ODC activity was inhibited, and intestinal adaptation was suppressed, with marked diminution of the adaptive increase in mucosal weight and thickness especially in crypt depth. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 105-108 6208628-2 1984 Daily postnatal administration of alpha-difluoromethylornithine (DFMO, a specific inhibitor of ODC) to newborn rats caused organ-specific deficits in tissue weight gain, with brain and kidney as the major targets. Eflornithine 34-63 ornithine decarboxylase 1 Rattus norvegicus 95-98 6208628-2 1984 Daily postnatal administration of alpha-difluoromethylornithine (DFMO, a specific inhibitor of ODC) to newborn rats caused organ-specific deficits in tissue weight gain, with brain and kidney as the major targets. Eflornithine 65-69 ornithine decarboxylase 1 Rattus norvegicus 95-98 6430555-1 1984 Polyamine depletion by pretreatment with alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, potentiates the cytotoxicity of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) in L1210 leukemia cells grown in a modified soft agar system. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 120-143 6435607-4 1984 DL-alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, did not interfere with merozoite invasion and with ring-form development, but prevented the transformation of trophozoites to schizonts. Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 63-86 6430555-1 1984 Polyamine depletion by pretreatment with alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ornithine decarboxylase, potentiates the cytotoxicity of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) in L1210 leukemia cells grown in a modified soft agar system. Eflornithine 72-76 ornithine decarboxylase, structural 1 Mus musculus 120-143 6430921-4 1984 Addition of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, caused a dramatic decrease in differentiation. Eflornithine 12-41 ornithine decarboxylase 1 Homo sapiens 79-82 6434889-3 1984 alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, had a much more profound and persistent effect on spermidine and also depleted putrescine throughout drug administration; furthermore, DFMO prevented both the elevation of putrescine caused by DCHA and the eventual restitution of spermidine levels. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 54-77 6434889-3 1984 alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, had a much more profound and persistent effect on spermidine and also depleted putrescine throughout drug administration; furthermore, DFMO prevented both the elevation of putrescine caused by DCHA and the eventual restitution of spermidine levels. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 54-77 6434889-3 1984 alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, had a much more profound and persistent effect on spermidine and also depleted putrescine throughout drug administration; furthermore, DFMO prevented both the elevation of putrescine caused by DCHA and the eventual restitution of spermidine levels. Eflornithine 214-218 ornithine decarboxylase 1 Rattus norvegicus 54-77 6438490-1 1984 Treatment with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes the putrescine and spermidine content, and reduces the growth rate of Ehrlich ascites tumor cells. Eflornithine 15-44 ornithine decarboxylase, structural 1 Mus musculus 99-122 6438490-1 1984 Treatment with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes the putrescine and spermidine content, and reduces the growth rate of Ehrlich ascites tumor cells. Eflornithine 15-44 ornithine decarboxylase, structural 1 Mus musculus 124-127 6438490-1 1984 Treatment with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes the putrescine and spermidine content, and reduces the growth rate of Ehrlich ascites tumor cells. Eflornithine 46-50 ornithine decarboxylase, structural 1 Mus musculus 99-122 6438490-1 1984 Treatment with alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC), depletes the putrescine and spermidine content, and reduces the growth rate of Ehrlich ascites tumor cells. Eflornithine 46-50 ornithine decarboxylase, structural 1 Mus musculus 124-127 6150759-2 1984 The results clearly demonstrated an association between DFMO and BHA treatment with reduction in numbers of persisting nodules as assayed histopathologically and by analysis of gamma-glutamyltranspeptidase (gamma GT) and glucose-6-phosphate dehydrogenase (G6PDH) positive populations. Eflornithine 56-60 gamma-glutamyltransferase 1 Rattus norvegicus 177-205 6150759-2 1984 The results clearly demonstrated an association between DFMO and BHA treatment with reduction in numbers of persisting nodules as assayed histopathologically and by analysis of gamma-glutamyltranspeptidase (gamma GT) and glucose-6-phosphate dehydrogenase (G6PDH) positive populations. Eflornithine 56-60 gamma-glutamyltransferase 1 Rattus norvegicus 207-215 6150759-2 1984 The results clearly demonstrated an association between DFMO and BHA treatment with reduction in numbers of persisting nodules as assayed histopathologically and by analysis of gamma-glutamyltranspeptidase (gamma GT) and glucose-6-phosphate dehydrogenase (G6PDH) positive populations. Eflornithine 56-60 glucose-6-phosphate dehydrogenase Rattus norvegicus 221-254 6150759-2 1984 The results clearly demonstrated an association between DFMO and BHA treatment with reduction in numbers of persisting nodules as assayed histopathologically and by analysis of gamma-glutamyltranspeptidase (gamma GT) and glucose-6-phosphate dehydrogenase (G6PDH) positive populations. Eflornithine 56-60 glucose-6-phosphate dehydrogenase Rattus norvegicus 256-261 6433909-3 1984 When DFMO was administered to either intact or ovariectomized immature (20 day-old) rats for 2 or 6 days prior to and then during the 1 or 3 days of estradiol treatment, uterine ODC activity was completely suppressed as was the associated increase in spermidine concentration, but the magnitude of uterine growth stimulated by estradiol was equally great in the presence or absence of DFMO. Eflornithine 5-9 ornithine decarboxylase 1 Rattus norvegicus 178-181 6430921-4 1984 Addition of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, caused a dramatic decrease in differentiation. Eflornithine 43-47 ornithine decarboxylase 1 Homo sapiens 79-82 6432848-5 1984 In the present study, we gave rats the specific irreversible ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), beginning 3 d before jejunectomy. Eflornithine 76-106 ornithine decarboxylase 1 Rattus norvegicus 61-64 6432848-5 1984 In the present study, we gave rats the specific irreversible ODC inhibitor, alpha-difluoromethyl ornithine (DFMO), beginning 3 d before jejunectomy. Eflornithine 108-112 ornithine decarboxylase 1 Rattus norvegicus 61-64 6432848-6 1984 DFMO completely suppressed the increases in ODC activity and polyamine content in the intestinal mucosa. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 44-47 6431170-2 1984 Inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) (1 mM), an irreversible inhibitor of ornithine decarboxylase, completely blocked the growth-promoting effect of E2 (10(-8) M) in this system. Eflornithine 42-71 ornithine decarboxylase 1 Rattus norvegicus 116-139 6430546-12 1984 DFMO was observed to inhibit ornithine decarboxylase activity in JDF-1 tumors by 78%, IFN-alpha 2 by 18%, and the combination by 78%. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 29-52 6430546-12 1984 DFMO was observed to inhibit ornithine decarboxylase activity in JDF-1 tumors by 78%, IFN-alpha 2 by 18%, and the combination by 78%. Eflornithine 0-4 interferon alpha 2 Mus musculus 86-97 6430547-1 1984 We have investigated the effect of age, a high-fat diet, sodium deoxycholate, and the ornithine analogue alpha-difluoromethylornithine on ornithine decarboxylase (ODC) activity in the rat colon. Eflornithine 105-134 ornithine decarboxylase 1 Rattus norvegicus 138-161 6430547-1 1984 We have investigated the effect of age, a high-fat diet, sodium deoxycholate, and the ornithine analogue alpha-difluoromethylornithine on ornithine decarboxylase (ODC) activity in the rat colon. Eflornithine 105-134 ornithine decarboxylase 1 Rattus norvegicus 163-166 6430547-5 1984 alpha-Difluoromethylornithine given in drinking water inhibited, in a dose-dependent fashion, deoxycholate-induced ODC activity. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 115-118 6431170-2 1984 Inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) (1 mM), an irreversible inhibitor of ornithine decarboxylase, completely blocked the growth-promoting effect of E2 (10(-8) M) in this system. Eflornithine 73-77 ornithine decarboxylase 1 Rattus norvegicus 116-139 6087190-3 1984 The present study shows that pretreatment with alpha-difluoromethylornithine (DFMO), and irreversible inhibitor of mammalian ornithine decarboxylase (ODC), antagonizes these behavioral effects in a dose-dependent way, in rats. Eflornithine 47-76 ornithine decarboxylase 1 Homo sapiens 125-148 6430095-11 1984 Finally, treatment of rats with difluoromethylornithine, a selective, irreversible inhibitor of ODC, partially prevented the trophic response to intestinal obstruction. Eflornithine 32-55 ornithine decarboxylase 1 Rattus norvegicus 96-99 6426779-1 1984 alpha-Difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase, was administered in combination with human leukocyte interferon to human lymphoblastoid (Daudi) cells in culture. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 77-100 6428422-0 1984 Mode of interaction of ornithine decarboxylase with antizyme and alpha-difluoromethylornithine. Eflornithine 65-94 ornithine decarboxylase 1 Homo sapiens 23-46 6087190-3 1984 The present study shows that pretreatment with alpha-difluoromethylornithine (DFMO), and irreversible inhibitor of mammalian ornithine decarboxylase (ODC), antagonizes these behavioral effects in a dose-dependent way, in rats. Eflornithine 47-76 ornithine decarboxylase 1 Homo sapiens 150-153 6087190-3 1984 The present study shows that pretreatment with alpha-difluoromethylornithine (DFMO), and irreversible inhibitor of mammalian ornithine decarboxylase (ODC), antagonizes these behavioral effects in a dose-dependent way, in rats. Eflornithine 78-82 ornithine decarboxylase 1 Homo sapiens 125-148 6423275-3 1984 The ornithine decarboxylase inhibitor, alpha-difluoromethylornithine, has been used to inhibit MEL proliferation by depleting intracellular putrescine and spermidine. Eflornithine 39-68 ornithine decarboxylase, structural 1 Mus musculus 4-27 6426969-1 1984 Depletion of intracellular levels of polyamines in 9L rat brain tumor cells by alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, significantly enhanced the cytotoxicity of 1-(2-chloroethyl)-3-trans-4-methylcyclohexyl-1-nitrosourea (MeCCNU) in vitro as measured by a colony-forming efficiency assay. Eflornithine 110-114 ornithine decarboxylase 1 Rattus norvegicus 163-186 6421997-8 1984 All increases in ODC activity were blocked by difluoromethylornithine, an irreversible inhibitor of ODC. Eflornithine 46-69 ornithine decarboxylase 1 Rattus norvegicus 17-20 6421997-8 1984 All increases in ODC activity were blocked by difluoromethylornithine, an irreversible inhibitor of ODC. Eflornithine 46-69 ornithine decarboxylase 1 Rattus norvegicus 100-103 6321786-1 1984 D,L-alpha-Difluoromethylornithine (DFMO) is an inhibitor of ornithine decarboxylase, the first enzyme in the polyamine biosynthetic pathway. Eflornithine 0-33 ornithine decarboxylase 1 Homo sapiens 60-83 6321786-1 1984 D,L-alpha-Difluoromethylornithine (DFMO) is an inhibitor of ornithine decarboxylase, the first enzyme in the polyamine biosynthetic pathway. Eflornithine 35-39 ornithine decarboxylase 1 Homo sapiens 60-83 6420041-4 1984 Since alpha-difluoromethylornithine (DFMO) and methylglyoxal-bis-guanylhydrazone (MGBG) are irreversible and competitive inhibitors of ODC and SAMDC, respectively, they were tested as single agents and in combination on a transplantable rapidly growing and hormone-resistant G subline of the Dunning R-3327 rat prostatic adenocarcinoma. Eflornithine 6-35 ornithine decarboxylase 1 Rattus norvegicus 135-138 6420041-4 1984 Since alpha-difluoromethylornithine (DFMO) and methylglyoxal-bis-guanylhydrazone (MGBG) are irreversible and competitive inhibitors of ODC and SAMDC, respectively, they were tested as single agents and in combination on a transplantable rapidly growing and hormone-resistant G subline of the Dunning R-3327 rat prostatic adenocarcinoma. Eflornithine 6-35 adenosylmethionine decarboxylase 1 Rattus norvegicus 143-148 6420041-4 1984 Since alpha-difluoromethylornithine (DFMO) and methylglyoxal-bis-guanylhydrazone (MGBG) are irreversible and competitive inhibitors of ODC and SAMDC, respectively, they were tested as single agents and in combination on a transplantable rapidly growing and hormone-resistant G subline of the Dunning R-3327 rat prostatic adenocarcinoma. Eflornithine 37-41 ornithine decarboxylase 1 Rattus norvegicus 135-138 6420041-4 1984 Since alpha-difluoromethylornithine (DFMO) and methylglyoxal-bis-guanylhydrazone (MGBG) are irreversible and competitive inhibitors of ODC and SAMDC, respectively, they were tested as single agents and in combination on a transplantable rapidly growing and hormone-resistant G subline of the Dunning R-3327 rat prostatic adenocarcinoma. Eflornithine 37-41 adenosylmethionine decarboxylase 1 Rattus norvegicus 143-148 6240915-6 1984 On the other hand, alpha-DFMO--which inhibits the elevated activity of ODC--has not effect on rRNA transcription. Eflornithine 19-29 ornithine decarboxylase, structural 1 Mus musculus 71-74 6424664-3 1984 The frequently reported restoration of difluoromethylornithine-induced polyamine depletion on administration of methylglyoxal bis(guanylhydrazone) is in all likelihood attributable to a profound inhibition of intestinal diamine oxidase (EC 1.4.3.6), resulting in an enhanced entry of intestinal (bacterial) diamines into general circulation and finally into tumour cells. Eflornithine 39-62 amine oxidase, copper-containing 1 Mus musculus 220-235 6424650-1 1984 Hepatoma tissue-culture (HTC) cells were exposed to DL-alpha-difluoromethylornithine (DFMeOrn), a specific irreversible inhibitor of ornithine decarboxylase. Eflornithine 52-84 ornithine decarboxylase 1 Rattus norvegicus 133-156 6424650-1 1984 Hepatoma tissue-culture (HTC) cells were exposed to DL-alpha-difluoromethylornithine (DFMeOrn), a specific irreversible inhibitor of ornithine decarboxylase. Eflornithine 86-93 ornithine decarboxylase 1 Rattus norvegicus 133-156 6692368-8 1984 These cytostatic effects were clearly enhanced when MFMH was combined in therapy with the specific ornithine decarboxylase inhibitor, DL-alpha-difluoromethylornithine. Eflornithine 134-166 ornithine decarboxylase 1 Rattus norvegicus 99-122 6323434-1 1984 HeLa cells were made strictly dependent upon polyamine by growth in the presence of alpha-difluoromethylornithine, a specific inhibitor of ornithine decarboxylase. Eflornithine 84-113 ornithine decarboxylase 1 Homo sapiens 139-162 6703477-7 1984 The DFMO treatment lowered ODC activities below baseline, reduced the increase in polyamine content, and also reduced the morphometric parameters described above to only 60 to 70% of the values during normal repair. Eflornithine 4-8 ornithine decarboxylase 1 Rattus norvegicus 27-30 6442954-0 1984 Successful treatment of lethal protozoal infections with the ornithine decarboxylase inhibitor, alpha-difluoromethylornithine. Eflornithine 96-125 ornithine decarboxylase 1 Homo sapiens 61-84 6423285-0 1984 Autoradiographic localization of ornithine decarboxylase in mouse kidney by use of radiolabeled alpha-difluoromethylornithine. Eflornithine 96-125 ornithine decarboxylase, structural 1 Mus musculus 33-56 6423285-1 1984 Ornithine decarboxylase, a key enzyme in polyamine biosynthesis and cell growth, has been localized in mouse kidney by autoradiography after administration of radiolabeled alpha-difluoromethylornithine. Eflornithine 172-201 ornithine decarboxylase, structural 1 Mus musculus 0-23 6440309-3 1984 The mice were then treated with DFMO, an irreversible inhibitor of ornithine decarboxylase, which inhibits polyamine synthesis. Eflornithine 32-36 ornithine decarboxylase, structural 1 Mus musculus 67-90 6435895-0 1984 CNS toxicity and CSF pharmacokinetics of intraventricular DFMO and MGBG in beagle dogs. Eflornithine 58-62 colony stimulating factor 2 Canis lupus familiaris 17-20 6416890-0 1983 Intestinal changes caused by DL-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 29-61 ornithine decarboxylase 1 Canis lupus familiaris 86-109 6416890-0 1983 Intestinal changes caused by DL-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 63-67 ornithine decarboxylase 1 Canis lupus familiaris 86-109 6416890-1 1983 Subacute (2 week) oral or intravenous administration of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), caused diarrhea and frequent emesis as early as 4 to 5 days in dogs (dose greater than or equal to 200 mg/kg/day). Eflornithine 56-88 ornithine decarboxylase 1 Canis lupus familiaris 126-149 6416890-1 1983 Subacute (2 week) oral or intravenous administration of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), caused diarrhea and frequent emesis as early as 4 to 5 days in dogs (dose greater than or equal to 200 mg/kg/day). Eflornithine 56-88 ornithine decarboxylase 1 Canis lupus familiaris 151-154 6416890-1 1983 Subacute (2 week) oral or intravenous administration of DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), caused diarrhea and frequent emesis as early as 4 to 5 days in dogs (dose greater than or equal to 200 mg/kg/day). Eflornithine 90-94 ornithine decarboxylase 1 Canis lupus familiaris 126-149 6418170-4 1983 The ornithine decarboxylase inhibitor alpha-difluoromethylornithine suppressed the injury-induced increment in spermidine and spermine and microvascular permeability. Eflornithine 38-67 ornithine decarboxylase 1 Rattus norvegicus 4-27 6196591-4 1983 In the latter organ, there is a transient increase of N1-acetylspermidine, followed by a decrease of spermidine, alpha-Difluoromethylornithine (DFMO), a potent ODC inhibitor, impairs the accumulation of putrescine in liver but not in pancreas. Eflornithine 113-142 ornithine decarboxylase 1 Rattus norvegicus 160-163 6196591-4 1983 In the latter organ, there is a transient increase of N1-acetylspermidine, followed by a decrease of spermidine, alpha-Difluoromethylornithine (DFMO), a potent ODC inhibitor, impairs the accumulation of putrescine in liver but not in pancreas. Eflornithine 144-148 ornithine decarboxylase 1 Rattus norvegicus 160-163 6580640-5 1983 The ornithine decarboxylase inhibitor alpha-difluoromethylornithine (5 mM) suppressed the testosterone-induced increase in polyamine levels and rates of endocytosis, hexose transport, and amino acid transport, measured by horseradish peroxidase, [14C]aminoisobutyric acid, and deoxy[3H]glucose uptake. Eflornithine 38-67 ornithine decarboxylase, structural 1 Mus musculus 4-27 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 0-31 prolactin Mus musculus 115-118 6415048-1 1983 Mutant mouse lymphoma cells that overproduce ornithine decarboxylase have been generated by selection for resistance to difluoromethylornithine, an inhibitor of the enzyme. Eflornithine 120-143 ornithine decarboxylase, structural 1 Mus musculus 45-68 6411329-0 1983 Influence of polyamine depletion caused by alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase, on alkylation- and carbamoylation-induced cytotoxicity in 9L rat brain tumor cells in vitro. Eflornithine 43-72 ornithine decarboxylase 1 Rattus norvegicus 120-143 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 0-31 ornithine decarboxylase, structural 1 Mus musculus 69-92 6307502-2 1983 DFMO is a specific enzyme-activated irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme controlling polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 62-85 6307502-6 1983 DFMO caused 72 to 75% inactivation of ornithine decarboxylase activity and reduced putrescine levels in renal carcinoma and Wilms" tumor, reduced spermidine levels in Wilms" tumor, and apparently raised spermine levels in the latter as a consequence. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 38-61 6412710-1 1983 Exposure to alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase, inhibited the insulin induced differentiation of L6 myoblast cells. Eflornithine 12-41 ornithine decarboxylase 1 Rattus norvegicus 89-112 6407751-1 1983 alpha-Difluoromethylornithine, an enzyme-activated, irreversible inhibitor of ornithine decarboxylase, inhibited the growth of both chloroethylnitrosourea-sensitive and -resistant 9L rat brain tumor cells in vitro. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 78-101 6407752-2 1983 The relevance of these TPA-induced changes to the mechanism of tumor promotion was investigated using alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 102-131 ornithine decarboxylase 1 Homo sapiens 169-172 6407752-2 1983 The relevance of these TPA-induced changes to the mechanism of tumor promotion was investigated using alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 133-137 ornithine decarboxylase 1 Homo sapiens 169-172 6407752-9 1983 These results provide evidence for an essential role of ODC induction and the accumulation of putrescine in tumor promotion by TPA and add strength to the proposal that DFMO may be a promising drug for the prevention and treatment of cancer in human beings. Eflornithine 169-173 ornithine decarboxylase 1 Homo sapiens 56-59 6410400-1 1983 The specific ornithine decarboxylase inhibitor alpha-difluoromethylornithine, when given to adult rats in vivo for 5 wk, resulted in a decrease in peripheral blood cell elements in normal rats and a marked suppression of marrow recovery in rats with chemotherapy-induced marrow hypoplasia. Eflornithine 47-76 ornithine decarboxylase 1 Rattus norvegicus 13-36 6411082-2 1983 We report here that inhibition of ornithine decarboxylase activity with a specific enzyme-activated inhibitor, alpha-difluoromethylornithine, can induce differentiation in embryonal carcinoma cells. Eflornithine 111-140 ornithine decarboxylase, structural 1 Mus musculus 34-57 6408089-0 1983 Ornithine decarboxylase in difluoromethylornithine-resistant mouse lymphoma cells. Eflornithine 27-50 ornithine decarboxylase, structural 1 Mus musculus 0-23 6408089-2 1983 Variant S49 mouse lymphoma cells with increased ornithine decarboxylase activity were obtained by selecting for resistance to alpha-difluoromethylornithine (DFMO), a specific inhibitor of the enzyme. Eflornithine 126-155 ornithine decarboxylase, structural 1 Mus musculus 48-71 6408089-2 1983 Variant S49 mouse lymphoma cells with increased ornithine decarboxylase activity were obtained by selecting for resistance to alpha-difluoromethylornithine (DFMO), a specific inhibitor of the enzyme. Eflornithine 157-161 ornithine decarboxylase, structural 1 Mus musculus 48-71 6408089-7 1983 This charge alteration and the inactivation of ornithine decarboxylase showed the same dependence on DFMO concentration and both effects were prevented by addition of either ornithine or putrescine. Eflornithine 101-105 ornithine decarboxylase, structural 1 Mus musculus 47-70 6414762-3 1983 0.5 mg/kg of DL-alpha-difluoromethylornithine (DFMO) (irreversible inhibitor of ODC) was administered to uterine horns of Long-Evans adult rats during the 4th day of pregnancy. Eflornithine 13-45 ornithine decarboxylase 1 Homo sapiens 80-83 6414762-3 1983 0.5 mg/kg of DL-alpha-difluoromethylornithine (DFMO) (irreversible inhibitor of ODC) was administered to uterine horns of Long-Evans adult rats during the 4th day of pregnancy. Eflornithine 47-51 ornithine decarboxylase 1 Homo sapiens 80-83 6411077-1 1983 Treatment of mice bearing L1210 leukaemia with 2-difluoromethylornithine, a specific inhibitor of ornithine decarboxylase (EC 4.1.1.17), produced a profound depletion of putrescine and spermidine in the tumour cells. Eflornithine 47-72 ornithine decarboxylase, structural 1 Mus musculus 98-121 6411077-3 1983 Experiments carried out with the combination of difluoromethylornithine and aminoguanidine, a potent inhibitor of diamine oxidase (EC 1.4.3.6), indicated that the methylglyoxal bis(guanylhydrazone)-induced reversal of polyamine depletion was mediated by the known inhibition of diamine oxidase by the diguanidine. Eflornithine 48-71 amine oxidase, copper-containing 1 Mus musculus 114-129 6406046-1 1983 The effect of pretreating 9L rat brain tumor cells in vitro with 10 mM alpha-difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase, on the cytotoxicity of 1-beta-D-arabinofuranosylcytosine (ara-C) was investigated using a colony-forming assay. Eflornithine 71-100 ornithine decarboxylase 1 Rattus norvegicus 156-179 6406046-1 1983 The effect of pretreating 9L rat brain tumor cells in vitro with 10 mM alpha-difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase, on the cytotoxicity of 1-beta-D-arabinofuranosylcytosine (ara-C) was investigated using a colony-forming assay. Eflornithine 102-106 ornithine decarboxylase 1 Rattus norvegicus 156-179 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 0-31 ornithine decarboxylase, structural 1 Mus musculus 130-153 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 0-31 ornithine decarboxylase, structural 1 Mus musculus 155-158 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 0-31 prolactin Mus musculus 228-231 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 33-37 ornithine decarboxylase, structural 1 Mus musculus 69-92 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 33-37 prolactin Mus musculus 115-118 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 33-37 ornithine decarboxylase, structural 1 Mus musculus 130-153 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 33-37 ornithine decarboxylase, structural 1 Mus musculus 155-158 6195664-3 1983 alpha-Difluoro methyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase activity, reduces the PRL-stimulated ornithine decarboxylase (ODC) activity by more than 95%, and yet does not suppress the effects of PRL on RNA, casein or lipid synthesis. Eflornithine 33-37 prolactin Mus musculus 228-231 6831037-1 1983 Under the influence of a selective irreversible inhibitor of ornithine decarboxylase (ODC), DL-alpha-difluoromethylornithine (DFMO), early hematopoiesis was enhanced. Eflornithine 92-124 ornithine decarboxylase, structural 1 Mus musculus 61-84 6405745-2 1983 Although luteinizing hormone enhanced both ornithine decarboxylase activity and testosterone production at a similar physiological dose range, we found dissociation in the two responses in terms of their temporal aspect and the way they were affected by an irreversible inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine, and protein synthesis inhibitor cycloheximide. Eflornithine 308-337 ornithine decarboxylase 1 Rattus norvegicus 283-306 6831037-1 1983 Under the influence of a selective irreversible inhibitor of ornithine decarboxylase (ODC), DL-alpha-difluoromethylornithine (DFMO), early hematopoiesis was enhanced. Eflornithine 92-124 ornithine decarboxylase, structural 1 Mus musculus 86-89 6831037-1 1983 Under the influence of a selective irreversible inhibitor of ornithine decarboxylase (ODC), DL-alpha-difluoromethylornithine (DFMO), early hematopoiesis was enhanced. Eflornithine 126-130 ornithine decarboxylase, structural 1 Mus musculus 61-84 6403787-0 1983 Subcellular distribution of ornithine decarboxylase in rat liver and accessibility of the enzyme to alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 100-129 ornithine decarboxylase 1 Rattus norvegicus 160-183 6407845-1 1983 The effects of DL-alpha-difluoromethylornithine (DFMO), a specific, irreversible inhibitor of ornithine decarboxylase (ODC), on tumors induced in the muscle of C57BL mice by Lewis lung (LL) carcinoma cells and on the development of lung metastases have been investigated. Eflornithine 15-47 ornithine decarboxylase, structural 1 Mus musculus 94-117 6407845-1 1983 The effects of DL-alpha-difluoromethylornithine (DFMO), a specific, irreversible inhibitor of ornithine decarboxylase (ODC), on tumors induced in the muscle of C57BL mice by Lewis lung (LL) carcinoma cells and on the development of lung metastases have been investigated. Eflornithine 15-47 ornithine decarboxylase, structural 1 Mus musculus 119-122 6407845-1 1983 The effects of DL-alpha-difluoromethylornithine (DFMO), a specific, irreversible inhibitor of ornithine decarboxylase (ODC), on tumors induced in the muscle of C57BL mice by Lewis lung (LL) carcinoma cells and on the development of lung metastases have been investigated. Eflornithine 49-53 ornithine decarboxylase, structural 1 Mus musculus 119-122 6407845-3 1983 Oral treatment with DFMO (2% aqueous solution as sole drinking fluid, equivalent to 4 g DFMO/kg/day) decreased markedly the ODC activity and the putrescine and spermidine concentrations of the primary tumor, and stimulated S-adenosyl-L-methionine decarboxylase activity. Eflornithine 20-24 ornithine decarboxylase, structural 1 Mus musculus 124-127 6407845-4 1983 ODC activity and putrescine and spermidine concentrations were similarly markedly reduced in the metastatic lung by DFMO treatment. Eflornithine 116-120 ornithine decarboxylase, structural 1 Mus musculus 0-3 6137572-0 1983 Effect of alpha-difluoromethylornithine, an irreversible ornithine decarboxylase inhibitor, on formation of GGTase-positive foci. Eflornithine 10-39 ornithine decarboxylase 1 Homo sapiens 57-80 6137572-2 1983 This was accomplished by examining the complete foci system in the presence and absence of alpha-DFMO, an irreversible inhibitor of ornithine decarboxylase, at concentrations capable of inhibiting both phenobarbital stimulated and control levels of the enzyme. Eflornithine 91-101 ornithine decarboxylase 1 Homo sapiens 132-155 6300139-1 1983 Treatment of mouse lymphoma S49 cells with D,L-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, depleted cellular polyamine levels and stopped cell growth. Eflornithine 43-76 ornithine decarboxylase, structural 1 Mus musculus 101-124 6300139-1 1983 Treatment of mouse lymphoma S49 cells with D,L-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, depleted cellular polyamine levels and stopped cell growth. Eflornithine 78-82 ornithine decarboxylase, structural 1 Mus musculus 101-124 6300139-8 1983 DFMO diminishes ODC activity and augments SAMD activity in both untreated and Bt2cAMP-treated cells, leading to polyamine depletion in both cases. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 16-19 6402774-1 1983 Mitochondrial structure and function were studied in 9L rat brain tumor cells depleted of polyamines by alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase. Eflornithine 104-133 ornithine decarboxylase 1 Rattus norvegicus 181-204 6401167-1 1983 Treatment of mice with DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (EC 4.1.1.17), produced a significant spermidine depletion in liver, small intestine, and bone marrow among eight tissues studied. Eflornithine 23-55 ornithine decarboxylase, structural 1 Mus musculus 93-116 6617953-6 1983 Ornithine decarboxylase is inhibited in vitro by alpha-difluoromethylornithine, but not in vivo. Eflornithine 49-78 ornithine decarboxylase Gallus gallus 0-23 24875723-1 1983 The roles of ornithine decarboxylase (ODC) and the polyamines in fetal and neonatal development were examined through the use of alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC. Eflornithine 129-158 ornithine decarboxylase 1 Rattus norvegicus 204-207 24875723-6 1983 The separable sensitivities were apparent even though the effects of DFMO on ODC and the polyamines for any given treatment period were fairly uniform in all tissues studied. Eflornithine 69-73 ornithine decarboxylase 1 Rattus norvegicus 77-80 24875723-7 1983 These results indicate that the ODC/polyamine system plays multiple roles in fetal survival and in tissue growth during discrete periods of development; because the time course of cellular maturation differs for each tissue or cell population, DFMO administered during any one brief period can produce organ-specific developmental deficits. Eflornithine 244-248 ornithine decarboxylase 1 Rattus norvegicus 32-35 24875948-1 1983 Specific inhibition of ornithine decarboxylase selectively in the developing rat cerebellum was achieved within 10 min after intrathecal injection of alpha-difluoromethylornithine. Eflornithine 150-179 ornithine decarboxylase 1 Rattus norvegicus 23-46 6423794-1 1983 The drug DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, was studied as an antitrypanosomal drug. Eflornithine 9-41 ornithine decarboxylase, structural 1 Mus musculus 74-97 6423794-1 1983 The drug DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, was studied as an antitrypanosomal drug. Eflornithine 43-47 ornithine decarboxylase, structural 1 Mus musculus 74-97 24875600-0 1983 Role of ornithine decarboxylase and the polyamines in nervous system development: Short-term postnatal administration of alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 121-150 ornithine decarboxylase 1 Rattus norvegicus 181-204 24875600-1 1983 The role of ornithine decarboxylase (ODC) and the polyamines in development of central and peripheral catecholaminergic neurons was examined through the use of alpha-difluoromethylornithine (DFMO), a specific irreversible inhibitor of ODC. Eflornithine 160-189 ornithine decarboxylase 1 Rattus norvegicus 235-238 24875600-2 1983 Short-term postnatal administration of DFMO (500 mg/kg daily on days 1-6) to neonatal rats resulted in effective inhibition of ODC and depletion of both putrescine and spermidine in brain, heart and kidney; after cessation of DFMO administration, polyamine levels returned to normal by 10-13 days of age. Eflornithine 39-43 ornithine decarboxylase 1 Rattus norvegicus 127-130 6401167-1 1983 Treatment of mice with DL-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (EC 4.1.1.17), produced a significant spermidine depletion in liver, small intestine, and bone marrow among eight tissues studied. Eflornithine 57-61 ornithine decarboxylase, structural 1 Mus musculus 93-116 6815870-6 1982 Treatment of three of the six inoculated pigs with the ornithine decarboxylase inhibitor, DL-alpha-difluoromethylornithine, orally for ten days had no apparent effect on the infection. Eflornithine 90-122 ornithine decarboxylase 1 Sus scrofa 55-78 6401860-2 1983 Inhibition of either ornithine decarboxylase or S-adenosyl-L-methionine decarboxylase (AMDC) by alpha-difluormethylornithine (DFMO) or methylglyoxal-bis[guanylhydrazone] (MGBG), respectively, was associated with significant antitumor effect. Eflornithine 126-130 ornithine decarboxylase 1 Homo sapiens 21-44 6813433-1 1982 We studied the effect of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, on putrescine uptake by the rat prostate. Eflornithine 56-60 ornithine decarboxylase 1 Rattus norvegicus 92-115 6813433-2 1982 Using C-14 putrescine, we found a several-fold increase in uptake by both the dorsal and ventral prostates of DFMO-pretreated intact animals, compared with untreated controls. Eflornithine 110-114 anti-Mullerian hormone receptor type 2 Rattus norvegicus 6-10 6813433-3 1982 When previously castrated animals were treated with a combination of testosterone and DFMO, the prostatic uptake of exogenously administered C-14 putrescine increased more than tenfold. Eflornithine 86-90 anti-Mullerian hormone receptor type 2 Rattus norvegicus 141-145 6240487-3 1983 The irreversible inhibitor of ODC activity, alpha-difluoromethylornithine, not only prevented ODC activity in a dose-dependent manner following skin application, it also prevented skin tumor promotion by TPA. Eflornithine 44-73 ornithine decarboxylase, structural 1 Mus musculus 30-33 6240487-3 1983 The irreversible inhibitor of ODC activity, alpha-difluoromethylornithine, not only prevented ODC activity in a dose-dependent manner following skin application, it also prevented skin tumor promotion by TPA. Eflornithine 44-73 ornithine decarboxylase, structural 1 Mus musculus 94-97 6814770-0 1982 Ornithine decarboxylase activity in nucleolus and nucleoplasm demonstrated autoradiographically with tritium-labeled alpha-difluoromethylornithine. Eflornithine 117-146 ornithine decarboxylase 1 Homo sapiens 0-23 6813381-5 1982 DL-alpha-difluoromethyl ornithine, a specific irreversible inhibitor of ODC, almost completely abolished ODC activity but did not inhibit DMBA- or TCDD-induced AHH activity. Eflornithine 0-33 ornithine decarboxylase 1 Rattus norvegicus 72-75 6813381-5 1982 DL-alpha-difluoromethyl ornithine, a specific irreversible inhibitor of ODC, almost completely abolished ODC activity but did not inhibit DMBA- or TCDD-induced AHH activity. Eflornithine 0-33 ornithine decarboxylase 1 Rattus norvegicus 105-108 6125588-0 1982 Impaired development of central and peripheral catecholamine neurotransmitter systems in preweanling rats treated with alpha-difluoromethylornithine, a specific irreversible inhibitor of ornithine decarboxylase. Eflornithine 119-148 ornithine decarboxylase 1 Rattus norvegicus 187-210 6125588-1 1982 Daily administration of alpha-difluoromethylornithine (DFMO) to neonatal rats results in persistent inhibition of ornithine decarboxylase, depletion of polyamines and rapid onset of brain growth deficits. Eflornithine 24-53 ornithine decarboxylase 1 Rattus norvegicus 114-137 6809932-0 1982 Ornithine decarboxylase and polyamines in tissues of the neonatal rat: effects of alpha-difluoromethylornithine, a specific, irreversible inhibitor of ornithine decarboxylase. Eflornithine 82-111 ornithine decarboxylase 1 Rattus norvegicus 151-174 6809932-1 1982 To evaluate the role of ornithine decarboxylase (ODC) and the polyamines in tissue growth and development, neonatal rats were given daily injections of alpha-difluoromethylornithine, a specific, irreversible inhibitor of ODC. Eflornithine 152-181 ornithine decarboxylase 1 Rattus norvegicus 221-224 6125588-1 1982 Daily administration of alpha-difluoromethylornithine (DFMO) to neonatal rats results in persistent inhibition of ornithine decarboxylase, depletion of polyamines and rapid onset of brain growth deficits. Eflornithine 55-59 ornithine decarboxylase 1 Rattus norvegicus 114-137 6125588-7 1982 These results support the view that ornithine decarboxylase and the polyamines play an obligatory role in synaptic maturation, with the greatest sensitivity to DFMO-induced alterations occurring during periods of rapid development. Eflornithine 160-164 ornithine decarboxylase 1 Rattus norvegicus 36-59 6816220-11 1982 These results indicate that titration with alpha-difluoromethylornithine provides a valuable method by which to quantify the amount of active ornithine decarboxylase present in mammalian tissues, and that the androgen-treated mouse kidney is a much better source for purification of the enzyme than is rat liver. Eflornithine 43-72 ornithine decarboxylase 1 Homo sapiens 142-165 6816220-0 1982 Measurement of the number of ornithine decarboxylase molecules in rat and mouse tissues under various physiological conditions by binding of radiolabelled alpha-difluoromethylornithine. Eflornithine 155-184 ornithine decarboxylase 1 Rattus norvegicus 29-52 6816220-1 1982 The binding of alpha-difluoromethylornithine, an irreversible inhibitor, to ornithine decarboxylase was used to investigate the amount of enzyme present in rat liver under various conditions and in mouse kidney after treatment with androgens. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 76-99 16662530-4 1982 Further evidence is provided by the use of two ODC inhibitors, alpha-difluoromethylornithine (alpha-DFMO) and alpha-methylornithine (alpha-MO). Eflornithine 94-104 ornithine decarboxylase Solanum lycopersicum 47-50 6812635-0 1982 Affinity labeling of purified ornithine decarboxylase by alpha-difluoromethylornithine. Eflornithine 57-86 ornithine decarboxylase 1 Rattus norvegicus 30-53 6217347-0 1982 Role of polyamines in isoproterenol-induced cardiac hypertrophy: effects of alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 76-105 ornithine decarboxylase 1 Homo sapiens 136-159 16662530-7 1982 When applied in vivo, alpha-DFMO, a catalytic irreversible inhibitor, caused 97.1% reduction of ODC activity in the dialyzed extract from the treated ovaries, while it had no effect on ADC. Eflornithine 22-32 ornithine decarboxylase Solanum lycopersicum 96-99 6806278-6 1982 These results indicate that steroid hormones can affect the level of certain proteins by changing the rate of degradation and that the labeling of ornithine decarboxylase by reaction with radioactive alpha-difluoromethylornithine in vivo provides a useful method for studying the degradation of this protein. Eflornithine 200-229 ornithine decarboxylase, structural 1 Mus musculus 147-170 6806900-1 1982 alpha-Difluoromethylornithine is an enzyme-activated irreversible inhibitor of ornithine decarboxylase that forms a covalent bond with the enzyme. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 79-102 6811956-0 1982 Effects of DL-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, on the rat mammary tumour induced by 7,12-dimethylbenz[a]anthracene. Eflornithine 11-43 ornithine decarboxylase 1 Rattus norvegicus 74-97 6811956-7 1982 Tumour ornithine decarboxylase activities and putrescine concentrations were reduced by treatment with DFMO; the activity of S-adenosyl-L-methionine decarboxylase was increased and the concentration of spermine either remained unchanged or increased depending on the length of treatment. Eflornithine 103-107 ornithine decarboxylase 1 Rattus norvegicus 7-30 6125941-5 1982 A broad peak of TGase activity also occurred after the addition of alpha-difluoromethylornithine, an irreversible inhibitor of ODCase, and after addition of alpha-difluoromethylornithine plus retinol. Eflornithine 67-96 transglutaminase 1 Homo sapiens 16-21 6125941-5 1982 A broad peak of TGase activity also occurred after the addition of alpha-difluoromethylornithine, an irreversible inhibitor of ODCase, and after addition of alpha-difluoromethylornithine plus retinol. Eflornithine 157-186 transglutaminase 1 Homo sapiens 16-21 6809478-0 1982 Enhancement of ovulation in the rat by DL-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 39-71 ornithine decarboxylase 1 Rattus norvegicus 102-125 6809478-1 1982 Spontaneously cycling Sprague-Dawley Rats were treated with the irreversible ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) on the day of proestrus. Eflornithine 117-149 ornithine decarboxylase 1 Rattus norvegicus 77-100 6809478-1 1982 Spontaneously cycling Sprague-Dawley Rats were treated with the irreversible ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) on the day of proestrus. Eflornithine 117-149 ornithine decarboxylase 1 Rattus norvegicus 102-105 6809478-1 1982 Spontaneously cycling Sprague-Dawley Rats were treated with the irreversible ornithine decarboxylase (ODC) inhibitor DL-alpha-difluoromethylornithine (DFMO) on the day of proestrus. Eflornithine 151-155 ornithine decarboxylase 1 Rattus norvegicus 102-105 7116338-3 1982 Acute (10 h) exposure of the cells to DL-alpha-difluoromethyl ornithine (DFMO) led to a marked inhibition of ODC activity without any significant effect on induced AHH activity. Eflornithine 38-71 ornithine decarboxylase, structural 1 Mus musculus 109-112 6821130-0 1982 alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, inhibits tumor promoter-induced polyamine accumulation and carcinogenesis in mouse skin. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 60-83 7116338-3 1982 Acute (10 h) exposure of the cells to DL-alpha-difluoromethyl ornithine (DFMO) led to a marked inhibition of ODC activity without any significant effect on induced AHH activity. Eflornithine 73-77 ornithine decarboxylase, structural 1 Mus musculus 109-112 7116338-3 1982 Acute (10 h) exposure of the cells to DL-alpha-difluoromethyl ornithine (DFMO) led to a marked inhibition of ODC activity without any significant effect on induced AHH activity. Eflornithine 73-77 cytochrome P450, family 1, subfamily a, polypeptide 1 Mus musculus 164-167 6807294-2 1982 The content of decarboxylated S-adenosylmethionine (AdoMet) in transformed mouse fibroblasts (SV-3T3 cells) was increased 500-fold to about 0.4fmol/cell when ornithine decarboxylase was inhibited by alpha-difluoromethylornithine. Eflornithine 199-228 ornithine decarboxylase, structural 1 Mus musculus 158-181 6950518-1 1982 The ornithine decarboxylase inhibitor DL-alpha-difluoromethyl ornithine inhibited a proliferation-associated increase in ornithine decarboxylase activity in cultured human promyelocytic leukemia cells, resulting in a marked suppression of cell proliferation and subsequent cell loss. Eflornithine 38-71 ornithine decarboxylase 1 Homo sapiens 4-27 6950518-1 1982 The ornithine decarboxylase inhibitor DL-alpha-difluoromethyl ornithine inhibited a proliferation-associated increase in ornithine decarboxylase activity in cultured human promyelocytic leukemia cells, resulting in a marked suppression of cell proliferation and subsequent cell loss. Eflornithine 38-71 ornithine decarboxylase 1 Homo sapiens 121-144 6800405-1 1982 The possibility that alpha-difluoromethylornithine, a specific, irreversible inhibitor of ornithine decarboxylase could be used to prevent the rise in hepatic putrescine and spermidine content following partial hepatectomy was tested. Eflornithine 21-50 ornithine decarboxylase 1 Rattus norvegicus 90-113 6800405-7 1982 Experiments with lower doses of alpha-difluoromethylornithine showed that a substantial part of the rise in hepatic ornithine decarboxylase activity could be abolished without affecting either the rise in spermidine content or the increase in DNA synthesis after partial hepatectomy. Eflornithine 32-61 ornithine decarboxylase 1 Rattus norvegicus 116-139 6801066-5 1982 The procedure is applied to the study in rats and in hepatoma tissue culture cells of the biochemical effects of alpha difluoromethylornithine, a potent enzyme-activated irreversible inhibitor of ornithine decarboxylase. Eflornithine 113-142 ornithine decarboxylase 1 Rattus norvegicus 196-219 6802862-2 1982 Both an irreversible inhibitor of ornithine decarboxylase--difluoromethyl-ornithine (DFMO)--and a competitive inhibitor of S-adenosyl-methionine decarboxylase--methylglyoxal-bis(guanylhydrazone) (MGBG)--depressed spermidine levels and inhibited myoblast proliferation. Eflornithine 59-83 ornithine decarboxylase 1 Rattus norvegicus 34-57 6802862-2 1982 Both an irreversible inhibitor of ornithine decarboxylase--difluoromethyl-ornithine (DFMO)--and a competitive inhibitor of S-adenosyl-methionine decarboxylase--methylglyoxal-bis(guanylhydrazone) (MGBG)--depressed spermidine levels and inhibited myoblast proliferation. Eflornithine 85-89 ornithine decarboxylase 1 Rattus norvegicus 34-57 6177318-0 1982 Effect on prostatic growth of 2-difluoromethylornithine, an effective inhibitor of ornithine decarboxylase. Eflornithine 30-55 ornithine decarboxylase 1 Rattus norvegicus 83-106 6177318-1 1982 2-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, causes marked changes in the polyamine metabolism of ventral prostate when given to adult rats in drinking water (20 g/l) for 3 consecutive days. Eflornithine 0-25 ornithine decarboxylase 1 Rattus norvegicus 80-103 6177318-1 1982 2-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, causes marked changes in the polyamine metabolism of ventral prostate when given to adult rats in drinking water (20 g/l) for 3 consecutive days. Eflornithine 27-31 ornithine decarboxylase 1 Rattus norvegicus 80-103 6812032-2 1982 We have found the ornithine decarboxylase (ODC) activity of this tumor to be as sensitive to inhibition by alpha-difluoromethylornithine (DFMO) as normal rat prostate. Eflornithine 107-136 ornithine decarboxylase 1 Rattus norvegicus 18-41 6812032-2 1982 We have found the ornithine decarboxylase (ODC) activity of this tumor to be as sensitive to inhibition by alpha-difluoromethylornithine (DFMO) as normal rat prostate. Eflornithine 107-136 ornithine decarboxylase 1 Rattus norvegicus 43-46 6812032-2 1982 We have found the ornithine decarboxylase (ODC) activity of this tumor to be as sensitive to inhibition by alpha-difluoromethylornithine (DFMO) as normal rat prostate. Eflornithine 138-142 ornithine decarboxylase 1 Rattus norvegicus 18-41 6812032-2 1982 We have found the ornithine decarboxylase (ODC) activity of this tumor to be as sensitive to inhibition by alpha-difluoromethylornithine (DFMO) as normal rat prostate. Eflornithine 138-142 ornithine decarboxylase 1 Rattus norvegicus 43-46 6812032-4 1982 The in vivo inhibition of ODC by DFMO allowed increased uptake of exogenously administered putrescine by the R3327AT tumor. Eflornithine 33-37 ornithine decarboxylase 1 Rattus norvegicus 26-29 6186061-7 1982 The combination of 1% DFMO and 11 mg/kg MGBG distinctly reduces the activity of ODC and SAMDC and significantly lowers the levels of putrescine, spermidine and spermine in the tumor. Eflornithine 22-26 ornithine decarboxylase 1 Homo sapiens 80-83 16662530-4 1982 Further evidence is provided by the use of two ODC inhibitors, alpha-difluoromethylornithine (alpha-DFMO) and alpha-methylornithine (alpha-MO). Eflornithine 63-92 ornithine decarboxylase Solanum lycopersicum 47-50 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 139-168 ornithine decarboxylase 1 Homo sapiens 59-82 6186061-7 1982 The combination of 1% DFMO and 11 mg/kg MGBG distinctly reduces the activity of ODC and SAMDC and significantly lowers the levels of putrescine, spermidine and spermine in the tumor. Eflornithine 22-26 adenosylmethionine decarboxylase 1 Homo sapiens 88-93 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 139-168 adenosylmethionine decarboxylase 1 Homo sapiens 93-127 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 139-168 adenosylmethionine decarboxylase 1 Homo sapiens 129-134 6175860-1 1981 DL-alpha-Difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC) was previously shown to cure mice infected with Trypanosoma brucei brucei, a parasite of game and cattle in Africa and Trypanosoma brucei rhodesiense, a human African Sleeping Sickness pathogen. Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 95-118 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 170-174 ornithine decarboxylase 1 Homo sapiens 59-82 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 170-174 ornithine decarboxylase 1 Homo sapiens 84-87 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 170-174 adenosylmethionine decarboxylase 1 Homo sapiens 93-127 6186061-2 1982 The therapeutic concept of irreversible inhibition of both ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) by alpha-difluoromethylornithine (DFMO) and methylglyoxal bis-guanylhydrazone (MGBG) is based on pathologic activities of these enzymes in tumor tissue. Eflornithine 170-174 adenosylmethionine decarboxylase 1 Homo sapiens 129-134 6175860-2 1981 Our studies now indicate that DFMO blocks ornithine decarboxylase and lowers trypanosome polyamine levels in vivo. Eflornithine 30-34 ornithine decarboxylase 1 Homo sapiens 42-65 6175860-1 1981 DL-alpha-Difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC) was previously shown to cure mice infected with Trypanosoma brucei brucei, a parasite of game and cattle in Africa and Trypanosoma brucei rhodesiense, a human African Sleeping Sickness pathogen. Eflornithine 0-32 ornithine decarboxylase, structural 1 Mus musculus 120-123 6175860-1 1981 DL-alpha-Difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC) was previously shown to cure mice infected with Trypanosoma brucei brucei, a parasite of game and cattle in Africa and Trypanosoma brucei rhodesiense, a human African Sleeping Sickness pathogen. Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 95-118 6175860-1 1981 DL-alpha-Difluoromethylornithine (DFMO), a specific enzyme-activated irreversible inhibitor of ornithine decarboxylase (ODC) was previously shown to cure mice infected with Trypanosoma brucei brucei, a parasite of game and cattle in Africa and Trypanosoma brucei rhodesiense, a human African Sleeping Sickness pathogen. Eflornithine 34-38 ornithine decarboxylase, structural 1 Mus musculus 120-123 6796258-0 1981 Potentiation of the antitumor therapeutic effects of 1,3-bis(2-chloroethyl)-1-nitrosourea by alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor. Eflornithine 93-122 ornithine decarboxylase 1 Rattus norvegicus 127-150 7339299-2 1981 Putrescine can be produced by the action of L-ornithine decarboxylase, an inducible enzyme which can be irreversibly inhibited by the drug, alpha-difluoromethylornithine. Eflornithine 140-169 ornithine decarboxylase 1 Rattus norvegicus 46-69 6796258-1 1981 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, was used alone and in combination with various single doses of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) to treat animals bearing murine glioma 26 and rat 9L gliosarcoma intracerebral tumors. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 84-107 6796258-1 1981 alpha-Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ornithine decarboxylase, was used alone and in combination with various single doses of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) to treat animals bearing murine glioma 26 and rat 9L gliosarcoma intracerebral tumors. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 84-107 6794570-0 1981 Binding of radioactive alpha-difluoromethylornithine to rat liver ornithine decarboxylase. Eflornithine 23-52 ornithine decarboxylase 1 Rattus norvegicus 66-89 6271245-5 1981 In shift-down experiments a change towards the permissive temperature pattern of polyamine metabolism was evident within 2-3 h. Difluoromethylornithine, a specific and irreversible inhibitor of ornithine decarboxylase efficiently reduced the enzyme activity as well as the levels of both putrescine and spermidine in all culture types and temperatures. Eflornithine 128-151 ornithine decarboxylase 1 Homo sapiens 194-217 7075668-5 1982 In support of this hypothesis, alpha-difluoromethylornithine, an irreversible ODC inhibitor, displayed identical ID50 values in control and isoproterenol-treated animals, a situation which would not occur if more enzyme were present. Eflornithine 31-60 ornithine decarboxylase 1 Rattus norvegicus 78-81 6788425-0 1981 Kinetics of alpha-difluoromethylornithine: an irreversible inhibitor of ornithine decarboxylase. Eflornithine 12-41 ornithine decarboxylase 1 Homo sapiens 72-95 6788425-1 1981 We gave alpha-difluoromethylornithine (DFMO), a selective, irreversible inhibitor of ornithine decarboxylase, to six health men in single intravenous doses of 5 and 10 mg/kg body weight and oral doses of 10 and 20 mg/kg. Eflornithine 8-37 ornithine decarboxylase 1 Homo sapiens 85-108 6788425-1 1981 We gave alpha-difluoromethylornithine (DFMO), a selective, irreversible inhibitor of ornithine decarboxylase, to six health men in single intravenous doses of 5 and 10 mg/kg body weight and oral doses of 10 and 20 mg/kg. Eflornithine 39-43 ornithine decarboxylase 1 Homo sapiens 85-108 6794981-4 1981 It was observed that DFMO completely abolished ornithine decarboxylase levels in the pregnant uterus. Eflornithine 21-25 ornithine decarboxylase 1 Rattus norvegicus 47-70 6797408-6 1981 Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, although powerfully inhibiting ornithine decarboxylase, produced a gradual enhancement of adenosylmethionine decarboxylase activity during lymphocyte activation, without influencing the activities of the two propylamine transferases (spermidine synthase and spermine synthase). Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 54-77 6797408-6 1981 Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, although powerfully inhibiting ornithine decarboxylase, produced a gradual enhancement of adenosylmethionine decarboxylase activity during lymphocyte activation, without influencing the activities of the two propylamine transferases (spermidine synthase and spermine synthase). Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 110-133 6788788-1 1981 A procedure is described for the measurement of DL-alpha-difluoromethylornithine (DFMO), a selective irreversible inhibitor of ornithine decarboxylase, in biological specimens. Eflornithine 48-80 ornithine decarboxylase 1 Homo sapiens 127-150 6788836-0 1981 Cytochemical localization of ornithine decarboxylase with rhodamine or biotin-labeled alpha-difluoromethylornithine. Eflornithine 86-115 ornithine decarboxylase 1 Rattus norvegicus 29-52 6264474-3 1981 alpha-Difluoromethylornithine, a specific enzyme-activated, irreversible ornithine decarboxylase inhibitor, blocks the increase in ornithine decarboxylase activity and in polyamines and inhibits human small-cell lung carcinoma cell growth. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 73-96 6264474-3 1981 alpha-Difluoromethylornithine, a specific enzyme-activated, irreversible ornithine decarboxylase inhibitor, blocks the increase in ornithine decarboxylase activity and in polyamines and inhibits human small-cell lung carcinoma cell growth. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 131-154 6788362-0 1981 Sensitization of 9L rat brain gliosarcoma cells to 1,3-bis(2-chloroethyl)-1-nitrosourea by alpha-difluoromethylornithine, an ornithine decarboxylase inhibitor. Eflornithine 91-120 ornithine decarboxylase 1 Rattus norvegicus 125-148 6113790-1 1981 The inactivation of ornithine decarboxylase, a polyamine biosynthetic enzyme, by alpha-difluoromethylornithine (alpha-DFMO) was studied in patients with chronic non-suppurative prostatitis. Eflornithine 81-110 ornithine decarboxylase 1 Homo sapiens 20-43 6113790-1 1981 The inactivation of ornithine decarboxylase, a polyamine biosynthetic enzyme, by alpha-difluoromethylornithine (alpha-DFMO) was studied in patients with chronic non-suppurative prostatitis. Eflornithine 112-122 ornithine decarboxylase 1 Homo sapiens 20-43 6788788-1 1981 A procedure is described for the measurement of DL-alpha-difluoromethylornithine (DFMO), a selective irreversible inhibitor of ornithine decarboxylase, in biological specimens. Eflornithine 82-86 ornithine decarboxylase 1 Homo sapiens 127-150 6794904-1 1981 In in vitro studies with the Copenhagen rat prostate-derived tumor cell lines, the activity of ornithine decarboxylase (ODC) of these lines were as sensitive to inhibition by alpha-difluoromethylornithine (alpha-DFMO) as normal prostatic tissue. Eflornithine 175-204 ornithine decarboxylase 1 Rattus norvegicus 95-118 6794904-1 1981 In in vitro studies with the Copenhagen rat prostate-derived tumor cell lines, the activity of ornithine decarboxylase (ODC) of these lines were as sensitive to inhibition by alpha-difluoromethylornithine (alpha-DFMO) as normal prostatic tissue. Eflornithine 175-204 ornithine decarboxylase 1 Rattus norvegicus 120-123 6794904-1 1981 In in vitro studies with the Copenhagen rat prostate-derived tumor cell lines, the activity of ornithine decarboxylase (ODC) of these lines were as sensitive to inhibition by alpha-difluoromethylornithine (alpha-DFMO) as normal prostatic tissue. Eflornithine 206-216 ornithine decarboxylase 1 Rattus norvegicus 95-118 6794904-1 1981 In in vitro studies with the Copenhagen rat prostate-derived tumor cell lines, the activity of ornithine decarboxylase (ODC) of these lines were as sensitive to inhibition by alpha-difluoromethylornithine (alpha-DFMO) as normal prostatic tissue. Eflornithine 206-216 ornithine decarboxylase 1 Rattus norvegicus 120-123 6794904-2 1981 The in vitro growth of the tumor in calf serum was inhibited by ODC inhibitors alpha-methylornithine and alpha-difluoromethylornithine. Eflornithine 105-134 ornithine decarboxylase 1 Rattus norvegicus 64-67 6794904-4 1981 Further, alpha-DFMO was not inhibitory to the growth of these cells in sera which lacked diamine oxidase activity, but was inhibitory when diamine oxidase was added. Eflornithine 9-19 amine oxidase, copper containing 1 Rattus norvegicus 139-154 6449079-1 1980 Inhibition of cardiac ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) did not prevent normal cardiac growth in mature rats but attenuated isoproterenol-induced hypertrophy. Eflornithine 55-84 ornithine decarboxylase 1 Rattus norvegicus 22-45 6789780-4 1981 A single topical dose of alpha-difluoromethylornithine, a selective inhibitor or ornithine decarboxylase, prevented the UV-induced increase of polyamine excretion in agreement with its effect on UV-induced epidermal polyamine turnover. Eflornithine 25-54 ornithine decarboxylase, structural 1 Mus musculus 81-104 6169180-3 1981 Increased excretion of hydroxyproline and beta2-microglobulin were measured 1 month following alpha-DFMO treatment suggesting initial tumor necrosis and degradation. Eflornithine 94-104 beta-2-microglobulin Homo sapiens 42-61 7310281-6 1980 The ODC activity was blocked by alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor. Eflornithine 32-61 ornithine decarboxylase Gallus gallus 4-7 6449079-1 1980 Inhibition of cardiac ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) did not prevent normal cardiac growth in mature rats but attenuated isoproterenol-induced hypertrophy. Eflornithine 55-84 ornithine decarboxylase 1 Rattus norvegicus 47-50 6449079-1 1980 Inhibition of cardiac ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) did not prevent normal cardiac growth in mature rats but attenuated isoproterenol-induced hypertrophy. Eflornithine 86-90 ornithine decarboxylase 1 Rattus norvegicus 22-45 6449079-1 1980 Inhibition of cardiac ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) did not prevent normal cardiac growth in mature rats but attenuated isoproterenol-induced hypertrophy. Eflornithine 86-90 ornithine decarboxylase 1 Rattus norvegicus 47-50 6449079-3 1980 There appear to be both ODC-dependent and ODC-independent processes contributing to the subcellular mechanisms associated with growth, which must be considered in the potential laboratory and clinical use of DFMO. Eflornithine 208-212 ornithine decarboxylase 1 Rattus norvegicus 24-27 6449079-3 1980 There appear to be both ODC-dependent and ODC-independent processes contributing to the subcellular mechanisms associated with growth, which must be considered in the potential laboratory and clinical use of DFMO. Eflornithine 208-212 ornithine decarboxylase 1 Rattus norvegicus 42-45 7305994-8 1981 alpha-Difluoromethylornithine, which is an irreversible inhibitor of ornithine decarboxylase, was a more potent inhibitor of growth and polyamine production (depleting spermidine almost completely and spermine significantly) than alpha-methylornithine, which is a competitive inhibitor. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 69-92 6781485-2 1980 The mechanism of stimulation of S-adenosylmethionine decarboxylase (EC 4.1.1.50) activity by inhibitors of ornithine decarboxylase (EC 4.1.1.17), namely dl-alpha-difluoromethylornithine, 1,3-diaminopropane and 1,3-diaminopropan-2-ol, was studied in Ehrlich ascites-tumour cells grown in suspension cultures. Eflornithine 153-185 ornithine decarboxylase 1 Homo sapiens 107-130 6774420-4 1980 In vivo, alpha-difluoromethyl ornithine, a highly selective, enzyme-activated, irreversible inhibitor, suppresses these increases in mucosal ornithine decarboxylase and delays both intestinal mucosal maturation and recovery from injury. Eflornithine 9-39 ornithine decarboxylase 1 Rattus norvegicus 141-164 6768132-1 1980 The highly selective, enzyme-activated, irreversible inhibitor of L-ornithine decarboxylase, DL-alpha-difluoromethylornithine, suppresses the increase in uterine L-ornithine decarboxylase activity associated with early embryogenesis in the mouse and arrests embryonic development at that stage. Eflornithine 93-125 ornithine decarboxylase 1 Homo sapiens 68-91 6773783-0 1980 Inhibition of murine embryonic development by alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 46-75 ornithine decarboxylase, structural 1 Mus musculus 106-129 6773783-3 1980 Administration of the irreversible inhibitor of ODC, alpha-difluoromethylornithine, DFMO, 2% inthe drinking water during days 5-8 of gestation, abolished the inareases in uterine ODC activity, putrescine and spermidine concentrations and enhanced the activity of SAMDC. Eflornithine 53-82 ornithine decarboxylase, structural 1 Mus musculus 179-182 6773783-3 1980 Administration of the irreversible inhibitor of ODC, alpha-difluoromethylornithine, DFMO, 2% inthe drinking water during days 5-8 of gestation, abolished the inareases in uterine ODC activity, putrescine and spermidine concentrations and enhanced the activity of SAMDC. Eflornithine 53-82 S-adenosylmethionine decarboxylase 1 Mus musculus 263-268 6773783-3 1980 Administration of the irreversible inhibitor of ODC, alpha-difluoromethylornithine, DFMO, 2% inthe drinking water during days 5-8 of gestation, abolished the inareases in uterine ODC activity, putrescine and spermidine concentrations and enhanced the activity of SAMDC. Eflornithine 84-88 ornithine decarboxylase, structural 1 Mus musculus 48-51 6773783-3 1980 Administration of the irreversible inhibitor of ODC, alpha-difluoromethylornithine, DFMO, 2% inthe drinking water during days 5-8 of gestation, abolished the inareases in uterine ODC activity, putrescine and spermidine concentrations and enhanced the activity of SAMDC. Eflornithine 84-88 ornithine decarboxylase, structural 1 Mus musculus 179-182 6773783-3 1980 Administration of the irreversible inhibitor of ODC, alpha-difluoromethylornithine, DFMO, 2% inthe drinking water during days 5-8 of gestation, abolished the inareases in uterine ODC activity, putrescine and spermidine concentrations and enhanced the activity of SAMDC. Eflornithine 84-88 S-adenosylmethionine decarboxylase 1 Mus musculus 263-268 6773783-6 1980 Treatment on single days with DFMO, 200 mg/kg every six h, revealed optimal contragestational effects on day 8 which corresponded exactly to the time of the peak in deciduomal ODC activity. Eflornithine 30-34 ornithine decarboxylase, structural 1 Mus musculus 176-179 6768132-1 1980 The highly selective, enzyme-activated, irreversible inhibitor of L-ornithine decarboxylase, DL-alpha-difluoromethylornithine, suppresses the increase in uterine L-ornithine decarboxylase activity associated with early embryogenesis in the mouse and arrests embryonic development at that stage. Eflornithine 93-125 ornithine decarboxylase 1 Homo sapiens 164-187 6781187-0 1980 Inhibition of cell proliferation by DL-alpha-difluoromethylornithine, a catalytic irreversible inhibitor of ornithine decarboxylase. Eflornithine 36-68 ornithine decarboxylase 1 Homo sapiens 108-131 7360002-0 1980 Inhibition of EMT6 tumor growth by interference with polyamine biosynthesis; effects of alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase. Eflornithine 88-117 ornithine decarboxylase 1 Homo sapiens 148-171 227464-0 1979 Inhibition of cytomegalovirus-stimulated human cell ornithine decarboxylase by alpha-difluoromethylornithine. Eflornithine 79-108 ornithine decarboxylase 1 Homo sapiens 52-75 227464-4 1979 Stimulation of ornithine decarboxylase activity by shifting low serum-arrested whole human embryo cells to high serum medium is inhibited more than 99% by 2.5 mM DL-alpha-difluoromethylornithine. Eflornithine 162-194 ornithine decarboxylase 1 Homo sapiens 15-38 227464-5 1979 The addition of DL-alpha-difluoromethylornithine to human cells arrested in low serum and subsequently stimulated by the addition of fresh high serum-containing medium, causes a greater percent inhibition of ornithine decarboxylase activity than when the drug is added to growing human cells. Eflornithine 16-48 ornithine decarboxylase 1 Homo sapiens 208-231 227464-7 1979 Increased ornithine decarboxylase activity produced by infection of low serum-arrested human cells was inhibited by 5.0 mM of DL-alpha-difluoromethylornithine. Eflornithine 126-158 ornithine decarboxylase 1 Homo sapiens 10-33 486129-10 1979 Repeated doses of alpha-difluoromethylornithine, a potent enzyme-activated irreversible inhibitor of ornithine decarboxylase, totally blocked the testosterone-induced increase of putrescine and spermidine in the ventral prostate and of putrescine in the seminal vesicle. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 101-124 679213-0 1978 Effect of alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase, on L1210 leukemia in mice. Eflornithine 10-39 ornithine decarboxylase, structural 1 Mus musculus 87-110 486492-5 1979 Lysine and ornithine decarboxylase activities were lost to similar extents on inhibition of protein synthesis by cycloheximide and on exposure to alpha-difluoromethylornithine. Eflornithine 146-175 ornithine decarboxylase 1 Rattus norvegicus 11-34 431333-0 1979 Effect of alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ornithine decarboxylase, on polyamine levels in rat tissues. Eflornithine 10-39 ornithine decarboxylase 1 Rattus norvegicus 87-110 228925-9 1979 Specific inhibition (up to 90%) of gonadotropin-induced ornithine decarboxylase activity by difluoromethyl ornithine or 1,3-diamino-2-propanol had little effect on the ability of the ovarian cells to respond to the hormone with increasing production of cyclic AMP and progesterone. Eflornithine 92-116 ornithine decarboxylase 1 Rattus norvegicus 56-79 6775372-1 1980 alpha-Difluoromethylornithine (RMI 71,782), a specific irreversible inhibitor of the first step in polyamine biosynthesis, that is, the formation of putrescine from ornithine by ornithine decarboxylase, cures mice infected with a virulent, rodent-passaged strain of Trypanosoma brucei brucei. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 178-201 33621898-7 2021 The N5-[18F]FPO exhibited fast uptake in HepG2 cells and the cellular uptake ability of N5-[18F]FPO can be inhibited by L-ornithine and DFMO, which indicated that the transport pathway of N5-[18F]FPO is similar to that of L-ornithine, interacting with ODC after being transported into the cell. Eflornithine 136-140 ornithine decarboxylase 1 Homo sapiens 252-255 34029478-12 2021 Here, we investigated difluoromethylornithine (DFMO), which has antitumor effects on MCF-7 cells by inhibiting ODC activity. Eflornithine 22-45 ornithine decarboxylase 1 Homo sapiens 111-114 34029478-12 2021 Here, we investigated difluoromethylornithine (DFMO), which has antitumor effects on MCF-7 cells by inhibiting ODC activity. Eflornithine 47-51 ornithine decarboxylase 1 Homo sapiens 111-114 34055746-2 2021 Difluoromethylornithine (DFMO, eflornithine) is the best-known inhibitor of ODC and a broad-spectrum, unique therapeutical agent. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 76-79 34055746-2 2021 Difluoromethylornithine (DFMO, eflornithine) is the best-known inhibitor of ODC and a broad-spectrum, unique therapeutical agent. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 76-79 34055746-2 2021 Difluoromethylornithine (DFMO, eflornithine) is the best-known inhibitor of ODC and a broad-spectrum, unique therapeutical agent. Eflornithine 31-43 ornithine decarboxylase 1 Homo sapiens 76-79 33991460-8 2021 In contrast, depletion of cellular polyamines by treatment with alpha-difluoromethylornithine reduced alpha4/PP2Ac complexes and repressed cell migration. Eflornithine 64-93 immunoglobulin kappa variable 1D-27 (pseudogene) Homo sapiens 102-108 33991460-8 2021 In contrast, depletion of cellular polyamines by treatment with alpha-difluoromethylornithine reduced alpha4/PP2Ac complexes and repressed cell migration. Eflornithine 64-93 protein phosphatase 2 catalytic subunit alpha Homo sapiens 109-114 33579942-3 2021 Ornithine decarboxylase 1 (ODC1), the rate-limiting enzyme in polyamine synthesis, is irreversibly inhibited by difluoromethylornithine (DFMO). Eflornithine 112-135 ornithine decarboxylase 1 Homo sapiens 0-25 33579942-3 2021 Ornithine decarboxylase 1 (ODC1), the rate-limiting enzyme in polyamine synthesis, is irreversibly inhibited by difluoromethylornithine (DFMO). Eflornithine 112-135 ornithine decarboxylase 1 Homo sapiens 27-31 33579942-3 2021 Ornithine decarboxylase 1 (ODC1), the rate-limiting enzyme in polyamine synthesis, is irreversibly inhibited by difluoromethylornithine (DFMO). Eflornithine 137-141 ornithine decarboxylase 1 Homo sapiens 0-25 33579942-3 2021 Ornithine decarboxylase 1 (ODC1), the rate-limiting enzyme in polyamine synthesis, is irreversibly inhibited by difluoromethylornithine (DFMO). Eflornithine 137-141 ornithine decarboxylase 1 Homo sapiens 27-31 33244237-10 2020 DFMO and compound 3k synergistically inhibited HCC cell proliferation, induced apoptosis, and suppressed cell mobility, as well as the EMT phenotype and the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 0-4 glycogen synthase kinase 3 alpha Mus musculus 161-170 33934471-6 2021 Only eflornithine hydrochloride, an inhibitor of ODC1, showed to be partially effective in the management of acquired HT. Eflornithine 5-31 ornithine decarboxylase 1 Homo sapiens 49-53 33934471-21 2021 DFMO completely abolished the enzymatic activity (100 +- 5% inhibition, equivalent to 0 +- 5% ODC1 activity). Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 94-98 33452997-4 2021 We observed that the reduction of putrescine biosynthesis by treatment with difluormethylornithine (DFMO), a specific nontoxic inhibitor of ODC1, or with in vitro synthesized dsRNAs targeting ODC1 mRNA could inhibit viral infection. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 140-144 33452997-4 2021 We observed that the reduction of putrescine biosynthesis by treatment with difluormethylornithine (DFMO), a specific nontoxic inhibitor of ODC1, or with in vitro synthesized dsRNAs targeting ODC1 mRNA could inhibit viral infection. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 192-196 33403098-6 2020 Additional mice with and without endotoxemia were pretreated with the ornithine decarboxylase-inhibitor difluoromethylornithine before examination of hypoxic pulmonary vasoconstriction. Eflornithine 104-127 ornithine decarboxylase, structural 1 Mus musculus 70-93 33229544-7 2020 Pharmacological inhibition of intracellular polyamine synthesis with alpha-difluoromethylornithine (DFMO) also increased MitoROS and ATF4 when ATP13A2 was deficient. Eflornithine 69-98 activating transcription factor 4 Homo sapiens 133-137 33229544-7 2020 Pharmacological inhibition of intracellular polyamine synthesis with alpha-difluoromethylornithine (DFMO) also increased MitoROS and ATF4 when ATP13A2 was deficient. Eflornithine 69-98 ATPase cation transporting 13A2 Homo sapiens 143-150 33229544-7 2020 Pharmacological inhibition of intracellular polyamine synthesis with alpha-difluoromethylornithine (DFMO) also increased MitoROS and ATF4 when ATP13A2 was deficient. Eflornithine 100-104 activating transcription factor 4 Homo sapiens 133-137 33229544-7 2020 Pharmacological inhibition of intracellular polyamine synthesis with alpha-difluoromethylornithine (DFMO) also increased MitoROS and ATF4 when ATP13A2 was deficient. Eflornithine 100-104 ATPase cation transporting 13A2 Homo sapiens 143-150 33229544-8 2020 The polyamine transport activity of ATP13A2 was required for lowering rotenone/DFMO-induced MitoROS, whereas exogenous spermine quenched rotenone-induced MitoROS via ATP13A2. Eflornithine 79-83 ATPase cation transporting 13A2 Homo sapiens 36-43 33364460-8 2020 In comparison with the Pro group, the combined administration of Pro and DFMO reduced the expression of ODC protein and spermine concentration in the fetal intestine, as well as the concentrations of putrescine, spermidine and spermine in IPEC-J2 cells (P < 0.05). Eflornithine 73-77 ornithine decarboxylase 1 Sus scrofa 104-107 33244237-10 2020 DFMO and compound 3k synergistically inhibited HCC cell proliferation, induced apoptosis, and suppressed cell mobility, as well as the EMT phenotype and the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 0-4 catenin (cadherin associated protein), beta 1 Mus musculus 171-183 33244237-13 2020 The simultaneous inhibition of ODC1 and PKM2 using DFMO and compound 3k exerts synergistic effects against HCC cells via the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 51-55 ornithine decarboxylase, structural 1 Mus musculus 31-35 33244237-13 2020 The simultaneous inhibition of ODC1 and PKM2 using DFMO and compound 3k exerts synergistic effects against HCC cells via the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 51-55 pyruvate kinase, muscle Mus musculus 40-44 33244237-13 2020 The simultaneous inhibition of ODC1 and PKM2 using DFMO and compound 3k exerts synergistic effects against HCC cells via the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 51-55 thymoma viral proto-oncogene 1 Mus musculus 125-128 33244237-13 2020 The simultaneous inhibition of ODC1 and PKM2 using DFMO and compound 3k exerts synergistic effects against HCC cells via the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 51-55 glycogen synthase kinase 3 alpha Mus musculus 129-138 33244237-13 2020 The simultaneous inhibition of ODC1 and PKM2 using DFMO and compound 3k exerts synergistic effects against HCC cells via the AKT/GSK-3beta/beta-catenin pathway. Eflornithine 51-55 catenin (cadherin associated protein), beta 1 Mus musculus 139-151 33292222-6 2020 As an irreversible suicide inhibitor of the ornithine decarboxylase (a vital enzyme of polyamine synthesis), Difluoro-methylornithine had been shown to have the chemoprevention effect on cancer. Eflornithine 109-133 ornithine decarboxylase 1 Homo sapiens 44-67 33216820-6 2020 To that end, this study was designed to test viability of decreasing secondary mutations by disrupting the cell division cycle using eflornithine, a specific inhibitor of ornithine decarboxylase. Eflornithine 133-145 ornithine decarboxylase 1 Homo sapiens 171-194 32984708-5 2020 The eflornithine enantiomers, d- and l-eflornithine, have different affinities to the target enzyme ornithine decarboxylase, suggesting that the pharmacodynamics of the enantiomers may differ. Eflornithine 4-16 ornithine decarboxylase 1 Homo sapiens 100-123 32799616-10 2020 Exposure to 100 microM D-Arg and 100 microM DFMO could each decrease the activities of Arginine decarboxylase (ADC), Ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) in all maize tissues. Eflornithine 44-48 ornithine decarboxylase Zea mays 117-140 32799616-10 2020 Exposure to 100 microM D-Arg and 100 microM DFMO could each decrease the activities of Arginine decarboxylase (ADC), Ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) in all maize tissues. Eflornithine 44-48 ornithine decarboxylase Zea mays 142-145 32799616-11 2020 However, the decrease of the ADC activity was more prominent in 100 microM D-Arg-treated seedlings, while the decrease of SAMDC and ODC activities was prominent in 100 microM DFMO-treated seedlings. Eflornithine 175-179 ornithine decarboxylase Zea mays 132-135 32946839-6 2020 Treatment with DL-2-difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, diminished GATA3 expression in CD4+ T cells under Th2-skewed conditions. Eflornithine 45-49 GATA binding protein 3 Mus musculus 103-108 32946839-6 2020 Treatment with DL-2-difluoromethylornithine (DFMO), an inhibitor of polyamine biosynthesis, diminished GATA3 expression in CD4+ T cells under Th2-skewed conditions. Eflornithine 45-49 CD4 antigen Mus musculus 123-126 32946839-7 2020 Supplementation of exogenous polyamines rescued GATA3 downregulation caused by DFMO treatment in CD4+ T cells. Eflornithine 79-83 GATA binding protein 3 Mus musculus 48-53 32946839-7 2020 Supplementation of exogenous polyamines rescued GATA3 downregulation caused by DFMO treatment in CD4+ T cells. Eflornithine 79-83 CD4 antigen Mus musculus 97-100 32946839-10 2020 Furthermore, oral administration of DFMO increased IL-9-producing CD4+ T cells in small intestine in mice. Eflornithine 36-40 interleukin 9 Mus musculus 51-55 32946839-10 2020 Furthermore, oral administration of DFMO increased IL-9-producing CD4+ T cells in small intestine in mice. Eflornithine 36-40 CD4 antigen Mus musculus 66-69 32697811-12 2020 Consistent with the known actions of DFMO on ornithine decarboxylase (ODC), serum putrescene and spermidine levels were significantly reduced by DFMO, though the decrease in endpoint polyamine levels did not directly correlate with the behavioral changes. Eflornithine 37-41 ornithine decarboxylase 1 Homo sapiens 45-68 32911426-5 2020 This study aimed to determine the treatment effects of alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, in MPM xenografts. Eflornithine 55-84 ornithine decarboxylase, structural 1 Mus musculus 104-107 32911426-5 2020 This study aimed to determine the treatment effects of alpha-difluoromethylornithine (DFMO), a specific ODC inhibitor, in MPM xenografts. Eflornithine 86-90 ornithine decarboxylase, structural 1 Mus musculus 104-107 32911426-10 2020 Furthermore, increase in nitrosocysteine, intratumoral IL-6, keratinocyte chemoattractant and TNFalpha, DNA lesion and inhibition of the Akt/mTOR pathway were induced by DFMO in H226 xenograft. Eflornithine 170-174 interleukin 6 Mus musculus 55-59 32911426-10 2020 Furthermore, increase in nitrosocysteine, intratumoral IL-6, keratinocyte chemoattractant and TNFalpha, DNA lesion and inhibition of the Akt/mTOR pathway were induced by DFMO in H226 xenograft. Eflornithine 170-174 tumor necrosis factor Mus musculus 94-102 32911426-10 2020 Furthermore, increase in nitrosocysteine, intratumoral IL-6, keratinocyte chemoattractant and TNFalpha, DNA lesion and inhibition of the Akt/mTOR pathway were induced by DFMO in H226 xenograft. Eflornithine 170-174 thymoma viral proto-oncogene 1 Mus musculus 137-140 32911426-10 2020 Furthermore, increase in nitrosocysteine, intratumoral IL-6, keratinocyte chemoattractant and TNFalpha, DNA lesion and inhibition of the Akt/mTOR pathway were induced by DFMO in H226 xenograft. Eflornithine 170-174 mechanistic target of rapamycin kinase Mus musculus 141-145 32697811-12 2020 Consistent with the known actions of DFMO on ornithine decarboxylase (ODC), serum putrescene and spermidine levels were significantly reduced by DFMO, though the decrease in endpoint polyamine levels did not directly correlate with the behavioral changes. Eflornithine 37-41 ornithine decarboxylase 1 Homo sapiens 70-73 33318864-8 2021 Furthermore, inhibited hippocampal ODC/Spd pathway by difluoromethylornithine (DFMO) markedly reversed the protections of NaHS against the hippocampal autophagic flux impairment as well as the cognitive dysfunction in STZ-exposed rats. Eflornithine 54-77 ornithine decarboxylase 1 Rattus norvegicus 35-38 33318864-8 2021 Furthermore, inhibited hippocampal ODC/Spd pathway by difluoromethylornithine (DFMO) markedly reversed the protections of NaHS against the hippocampal autophagic flux impairment as well as the cognitive dysfunction in STZ-exposed rats. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 35-38 32373551-2 2020 In this study, we explored the anti-HBV effect of difluoromethylornithine (DFMO), an irreversibly inhibitor of decarboxylase 1(ODC1) on HBV replication. Eflornithine 50-73 ornithine decarboxylase 1 Homo sapiens 127-131 32139506-6 2020 Treatment with the ODC inhibitor difluoromethylornithine (DFMO) sensitized TNBC cells to chemotherapy, but this was not observed in receptor-positive breast cancer cells. Eflornithine 33-56 ornithine decarboxylase 1 Homo sapiens 19-22 32139506-6 2020 Treatment with the ODC inhibitor difluoromethylornithine (DFMO) sensitized TNBC cells to chemotherapy, but this was not observed in receptor-positive breast cancer cells. Eflornithine 58-62 ornithine decarboxylase 1 Homo sapiens 19-22 32139506-8 2020 The alterations in polyamine metabolism in response to chemotherapy, as well as DFMO-induced preferential sensitization of TNBC cells to chemotherapy, reported here suggest that ODC may be a targetable metabolic vulnerability in TNBC. Eflornithine 80-84 ornithine decarboxylase 1 Homo sapiens 178-181 32373551-2 2020 In this study, we explored the anti-HBV effect of difluoromethylornithine (DFMO), an irreversibly inhibitor of decarboxylase 1(ODC1) on HBV replication. Eflornithine 75-79 ornithine decarboxylase 1 Homo sapiens 127-131 32373551-6 2020 Taken together, our findings demonstrate that DFMO inhibits HBV replication by reducing HBc stability and this may provide a new approach for HBV therapeutics. Eflornithine 46-50 hbc None 88-91 32256343-14 2019 This observation correlated with relative resistance to polyamine synthesis inhibitors eflornithine and SAM486 (inhibitors of ornithine decarboxylase and S-adenosyl-L-methionine decarboxylase, respectively), and MDL72527 (inhibitor of polyamine oxidase and spermine oxidase). Eflornithine 87-99 ornithine decarboxylase 1 Homo sapiens 126-149 31249027-8 2019 Exposure of primary dermal fibroblasts to ODC inhibitor alpha-difluoromethylornithine (DFMO) reduced the ODC activity and putrescine to levels observed in controls without adversely affecting cell morphology or inducing cell death. Eflornithine 56-85 ornithine decarboxylase 1 Homo sapiens 42-45 32101568-5 2020 Polyamine depletion was induced using alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 38-67 ornithine decarboxylase, structural 1 Mus musculus 105-128 32101568-5 2020 Polyamine depletion was induced using alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 69-73 ornithine decarboxylase, structural 1 Mus musculus 105-128 32101568-8 2020 Levels of the transcription factor kruppel-like factor 4 (KLF4) greatly decreased upon DFMO treatment; however, Klf4 mRNA was expressed at levels similar to controls. Eflornithine 87-91 Kruppel-like factor 4 (gut) Mus musculus 35-56 32101568-8 2020 Levels of the transcription factor kruppel-like factor 4 (KLF4) greatly decreased upon DFMO treatment; however, Klf4 mRNA was expressed at levels similar to controls. Eflornithine 87-91 Kruppel-like factor 4 (gut) Mus musculus 58-62 32101568-10 2020 We found that the efficiency of KLF4 synthesis in response to DFMO treatment was enhanced by the existence of a GC-rich 5"-untranslated region (5"-UTR) on Klf4 mRNA, regardless of the recognition of the initiation codon. Eflornithine 62-66 Kruppel-like factor 4 (gut) Mus musculus 32-36 32101568-10 2020 We found that the efficiency of KLF4 synthesis in response to DFMO treatment was enhanced by the existence of a GC-rich 5"-untranslated region (5"-UTR) on Klf4 mRNA, regardless of the recognition of the initiation codon. Eflornithine 62-66 Kruppel-like factor 4 (gut) Mus musculus 155-159 32101568-11 2020 Taken together, these results indicate that the enhancement of histamine synthesis by DFMO depends on the up-regulation of Hdc expression, achieved by removal of transcriptional suppression of KLF4, during differentiation. Eflornithine 86-90 histidine decarboxylase Mus musculus 123-126 32101568-11 2020 Taken together, these results indicate that the enhancement of histamine synthesis by DFMO depends on the up-regulation of Hdc expression, achieved by removal of transcriptional suppression of KLF4, during differentiation. Eflornithine 86-90 Kruppel-like factor 4 (gut) Mus musculus 193-197 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 37-40 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 mitogen-activated protein kinase 14 Homo sapiens 94-103 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 mitogen-activated protein kinase 3 Homo sapiens 105-111 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 AKT serine/threonine kinase 1 Homo sapiens 116-119 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 mechanistic target of rapamycin kinase Homo sapiens 120-124 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 0-23 ribosomal protein S6 kinase B1 Homo sapiens 125-131 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 37-40 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 mitogen-activated protein kinase 14 Homo sapiens 94-103 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 mitogen-activated protein kinase 3 Homo sapiens 105-111 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 AKT serine/threonine kinase 1 Homo sapiens 116-119 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 mechanistic target of rapamycin kinase Homo sapiens 120-124 31793679-8 2020 Difluoromethylornithine (DFMO) is an ODC inhibitor, which inhibits NMBA-induced activation of p38 alpha, ERK1/2 and AKT/mTOR/p70S6K pathways; this has been verified by Western blotting. Eflornithine 25-29 ribosomal protein S6 kinase B1 Homo sapiens 125-131 31793679-9 2020 DFMO was also found to suppress the development of esophageal precancerous lesions in an NMBA-induced rat model; IHC demonstrated p38 alpha, ERK1/2, and AKT/mTOR/p70S6K pathways to be downregulated in these rats. Eflornithine 0-4 mitogen activated protein kinase 14 Rattus norvegicus 130-139 31793679-9 2020 DFMO was also found to suppress the development of esophageal precancerous lesions in an NMBA-induced rat model; IHC demonstrated p38 alpha, ERK1/2, and AKT/mTOR/p70S6K pathways to be downregulated in these rats. Eflornithine 0-4 mitogen activated protein kinase 3 Rattus norvegicus 141-147 31793679-9 2020 DFMO was also found to suppress the development of esophageal precancerous lesions in an NMBA-induced rat model; IHC demonstrated p38 alpha, ERK1/2, and AKT/mTOR/p70S6K pathways to be downregulated in these rats. Eflornithine 0-4 AKT serine/threonine kinase 1 Rattus norvegicus 153-156 31793679-9 2020 DFMO was also found to suppress the development of esophageal precancerous lesions in an NMBA-induced rat model; IHC demonstrated p38 alpha, ERK1/2, and AKT/mTOR/p70S6K pathways to be downregulated in these rats. Eflornithine 0-4 mechanistic target of rapamycin kinase Rattus norvegicus 157-161 31793679-9 2020 DFMO was also found to suppress the development of esophageal precancerous lesions in an NMBA-induced rat model; IHC demonstrated p38 alpha, ERK1/2, and AKT/mTOR/p70S6K pathways to be downregulated in these rats. Eflornithine 0-4 ribosomal protein S6 kinase B1 Rattus norvegicus 162-168 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 ubiquitin like with PHD and ring finger domains 1 Homo sapiens 65-112 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 ubiquitin like with PHD and ring finger domains 1 Homo sapiens 114-119 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 DNA methyltransferase 1 Homo sapiens 140-163 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 DNA methyltransferase 1 Homo sapiens 165-170 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 histone deacetylase 1 Homo sapiens 176-197 32912061-5 2020 RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. Eflornithine 229-233 histone deacetylase 1 Homo sapiens 199-204 32912061-6 2020 The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. Eflornithine 19-23 ubiquitin like with PHD and ring finger domains 1 Homo sapiens 72-77 32912061-6 2020 The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. Eflornithine 19-23 DNA methyltransferase 1 Homo sapiens 79-84 32912061-6 2020 The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. Eflornithine 19-23 histone deacetylase 1 Homo sapiens 89-94 32912061-6 2020 The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. Eflornithine 120-124 ubiquitin like with PHD and ring finger domains 1 Homo sapiens 72-77 32912061-6 2020 The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. Eflornithine 120-124 histone deacetylase 1 Homo sapiens 89-94 31545969-0 2019 Improving Eflornithine Oral Bioavailability and Brain Uptake by Modulating Intercellular Junctions With an E-cadherin Peptide. Eflornithine 10-22 cadherin 1 Homo sapiens 107-117 31545969-3 2019 Here, we investigated the feasibility of using an intercellular junction-modulating E-cadherin peptide HAV6 to enhance the oral bioavailability and blood-brain barrier permeation of eflornithine. Eflornithine 182-194 cadherin 1 Homo sapiens 84-94 31249027-8 2019 Exposure of primary dermal fibroblasts to ODC inhibitor alpha-difluoromethylornithine (DFMO) reduced the ODC activity and putrescine to levels observed in controls without adversely affecting cell morphology or inducing cell death. Eflornithine 56-85 ornithine decarboxylase 1 Homo sapiens 105-108 31249027-8 2019 Exposure of primary dermal fibroblasts to ODC inhibitor alpha-difluoromethylornithine (DFMO) reduced the ODC activity and putrescine to levels observed in controls without adversely affecting cell morphology or inducing cell death. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 42-45 31249027-8 2019 Exposure of primary dermal fibroblasts to ODC inhibitor alpha-difluoromethylornithine (DFMO) reduced the ODC activity and putrescine to levels observed in controls without adversely affecting cell morphology or inducing cell death. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 105-108 31249027-9 2019 In conclusion, our patient and potentially other patients that carry a similar ODC1 gain-of-function mutation might benefit from treatment with DFMO, a drug with a good safety profile, to suppress the exceptionally high ODC activity and putrescine levels in the body. Eflornithine 144-148 ornithine decarboxylase 1 Homo sapiens 79-83 31249027-9 2019 In conclusion, our patient and potentially other patients that carry a similar ODC1 gain-of-function mutation might benefit from treatment with DFMO, a drug with a good safety profile, to suppress the exceptionally high ODC activity and putrescine levels in the body. Eflornithine 144-148 ornithine decarboxylase 1 Homo sapiens 79-82 31088836-3 2019 To improve the efficacy of epigenetic therapy, we hypothesized that the addition of alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, may further decrease immunosuppressive cell populations improving outcome. Eflornithine 84-113 ornithine decarboxylase, structural 1 Mus musculus 125-148 31088836-3 2019 To improve the efficacy of epigenetic therapy, we hypothesized that the addition of alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase inhibitor, may further decrease immunosuppressive cell populations improving outcome. Eflornithine 115-119 ornithine decarboxylase, structural 1 Mus musculus 125-148 31088836-4 2019 We tested this hypothesis in an immunocompetent mouse model for ovarian cancer and found that in vivo, 5AZA-C and DFMO, either alone or in combination, significantly increased survival, decreased tumor burden, and caused recruitment of activated (IFNgamma+) CD4+ T cells, CD8+ T cells, and NK cells. Eflornithine 114-118 interferon gamma Mus musculus 247-255 31088836-4 2019 We tested this hypothesis in an immunocompetent mouse model for ovarian cancer and found that in vivo, 5AZA-C and DFMO, either alone or in combination, significantly increased survival, decreased tumor burden, and caused recruitment of activated (IFNgamma+) CD4+ T cells, CD8+ T cells, and NK cells. Eflornithine 114-118 CD4 antigen Mus musculus 258-261 31088836-7 2019 In this model, depletion of macrophages with a CSF1R-blocking antibody reduced the efficacy of 5AZA-C + DFMO treatment and resulted in fewer M1 macrophages in the tumor microenvironment. Eflornithine 104-108 colony stimulating factor 1 receptor Mus musculus 47-52 31156441-2 2019 We found that GA could promote the proliferation, decrease the apoptotic rate, and attenuate DFMO-elicited growth arrest and delay in restitution after wounding in IEC-6 cells via HuR. Eflornithine 93-97 ELAV like RNA binding protein 1 Rattus norvegicus 180-183 31203007-14 2019 On the other hand, DFMO inhibits the expression of TRPC1 channels in colon cancer cells, eliminating their contribution to SOCE. Eflornithine 19-23 transient receptor potential cation channel subfamily C member 1 Homo sapiens 51-56 29452772-13 2019 In vitro treatment of RCC cells with the ornithine-decarboxylase inhibitor difluoromethylornithine resulted in reduced cell viability and mitochondrial activity. Eflornithine 75-98 ornithine decarboxylase 1 Homo sapiens 41-64 30927735-1 2019 OBJECTIVES: The chemopreventive drug alpha-difluoromethylornithine (DFMO) has been shown to have an antinociceptive effect on mechanical allodynia in inflammatory arthritis by directly inhibiting ornithine decarboxylase (ODC) and decreasing polyamine production in inflammatory sites. Eflornithine 37-66 ornithine decarboxylase, structural 1 Mus musculus 196-219 30927735-1 2019 OBJECTIVES: The chemopreventive drug alpha-difluoromethylornithine (DFMO) has been shown to have an antinociceptive effect on mechanical allodynia in inflammatory arthritis by directly inhibiting ornithine decarboxylase (ODC) and decreasing polyamine production in inflammatory sites. Eflornithine 37-66 ornithine decarboxylase, structural 1 Mus musculus 221-224 30927735-1 2019 OBJECTIVES: The chemopreventive drug alpha-difluoromethylornithine (DFMO) has been shown to have an antinociceptive effect on mechanical allodynia in inflammatory arthritis by directly inhibiting ornithine decarboxylase (ODC) and decreasing polyamine production in inflammatory sites. Eflornithine 68-72 ornithine decarboxylase, structural 1 Mus musculus 196-219 30927735-1 2019 OBJECTIVES: The chemopreventive drug alpha-difluoromethylornithine (DFMO) has been shown to have an antinociceptive effect on mechanical allodynia in inflammatory arthritis by directly inhibiting ornithine decarboxylase (ODC) and decreasing polyamine production in inflammatory sites. Eflornithine 68-72 ornithine decarboxylase, structural 1 Mus musculus 221-224 30700572-5 2019 Knockdown of SLC3A2 in neuroblastoma cells reduced the uptake of the radiolabeled polyamine spermidine, and DFMO treatment increased SLC3A2 protein. Eflornithine 108-112 solute carrier family 3 (activators of dibasic and neutral amino acid transport), member 2 Mus musculus 133-139 30871110-3 2019 Jurkat cells and human mammary epithelial cells were cultured with spermine and/or D,L-alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase. Eflornithine 83-116 ornithine decarboxylase 1 Homo sapiens 141-164 30871110-6 2019 In Jurkat cells cultured with DFMO, the protein levels of DNA methyltransferases (DNMTs) 1, 3A and 3B were not changed, however the activity of the three enzymes markedly decreased. Eflornithine 30-34 DNA methyltransferase 1 Homo sapiens 58-101 29436980-0 2019 Virtual screening of natural inhibitors targeting ornithine decarboxylase with pharmacophore scaffolding of DFMO and validation by molecular dynamics simulation studies. Eflornithine 108-112 ornithine decarboxylase 1 Homo sapiens 50-73 29436980-4 2019 As per earlier studies, di-flouro-methyl-orninthine (DFMO) is a proven efficient inhibitor ODC targeting the catalytic activity, however, its usage is limited due to side effects. Eflornithine 53-57 ornithine decarboxylase 1 Homo sapiens 91-94 29436980-9 2019 Finally, molecular dynamics simulations were performed for the natural molecule hit and DFMO in complex with ODC using Desmond. Eflornithine 88-92 ornithine decarboxylase 1 Homo sapiens 109-112 29436980-10 2019 Among the hits shortlisted, 2-amino-5, 9, 13, 17-tetramethyloctadeca-8, 16-diene-1, 3, 14-triol (UNPD208110) was found to be highly potential, as it showed a higher binding affinity in terms of interactions with key active cavity residues, and also showed better ADMET property, HUMO-LUMO gap energy and more stable complex formation with ODC compared to DFMO. Eflornithine 355-359 ornithine decarboxylase 1 Homo sapiens 339-342 30642111-5 2019 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), the limiting step in polyamine biosynthesis, strongly prevents CRC, particularly when combined with sulindac. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 55-78 30642111-5 2019 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), the limiting step in polyamine biosynthesis, strongly prevents CRC, particularly when combined with sulindac. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 80-83 30642111-5 2019 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), the limiting step in polyamine biosynthesis, strongly prevents CRC, particularly when combined with sulindac. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 55-78 30642111-5 2019 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), the limiting step in polyamine biosynthesis, strongly prevents CRC, particularly when combined with sulindac. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 80-83 30642111-9 2019 Moreover, DFMO abolish selectively the TRPC1-dependent component of SOCs characteristic of CRC cells and this effect is reversed by the polyamine putrescine. Eflornithine 10-14 transient receptor potential cation channel subfamily C member 1 Homo sapiens 39-44 30642111-11 2019 Finally, DFMO treatment inhibits expression of TRPC1 and stromal interaction protein 1 (STIM1) in CRC cells. Eflornithine 9-13 transient receptor potential cation channel subfamily C member 1 Homo sapiens 47-52 30642111-11 2019 Finally, DFMO treatment inhibits expression of TRPC1 and stromal interaction protein 1 (STIM1) in CRC cells. Eflornithine 9-13 stromal interaction molecule 1 Homo sapiens 88-93 30355744-4 2019 Because the ODC inhibitor difluoromethylornithine (DFMO) acts like RS1-Reg(S20E), and DFMO and RS1-Reg(S20E) are not cumulative, we raised the hypothesis that RS1-Reg(S20E) down-regulates the exocytotic pathway of SGLT1 at the trans-Golgi by inhibiting ODC. Eflornithine 26-49 ornithine decarboxylase 1 Homo sapiens 12-15 30700572-3 2019 Treatment of neuroblastoma cells with the ODC1 inhibitor difluoromethylornithine (DFMO), although a promising therapeutic strategy, is only partially effective at impeding neuroblastoma cell growth due to activation of compensatory mechanisms resulting in increased polyamine uptake from the surrounding microenvironment. Eflornithine 57-80 ornithine decarboxylase, structural 1 Mus musculus 42-46 30700572-3 2019 Treatment of neuroblastoma cells with the ODC1 inhibitor difluoromethylornithine (DFMO), although a promising therapeutic strategy, is only partially effective at impeding neuroblastoma cell growth due to activation of compensatory mechanisms resulting in increased polyamine uptake from the surrounding microenvironment. Eflornithine 82-86 ornithine decarboxylase, structural 1 Mus musculus 42-46 30355744-4 2019 Because the ODC inhibitor difluoromethylornithine (DFMO) acts like RS1-Reg(S20E), and DFMO and RS1-Reg(S20E) are not cumulative, we raised the hypothesis that RS1-Reg(S20E) down-regulates the exocytotic pathway of SGLT1 at the trans-Golgi by inhibiting ODC. Eflornithine 51-55 ornithine decarboxylase 1 Homo sapiens 12-15 30239107-8 2018 Our autosomal dominant patient who carries this gain-of-function ODC1 mutation may benefit from treatment with alpha-difluoromethylornithine, a well-tolerated, U.S. Food and Drug Administration (FDA). Eflornithine 111-140 ornithine decarboxylase 1 Homo sapiens 65-69 30475806-3 2018 This is the case for four of five current drugs used to treat Human African Trypanosomiasis (HAT); eflornithine is a specific inhibitor of ornithine decarboxylase. Eflornithine 99-111 ornithine decarboxylase 1 Homo sapiens 139-162 30404920-6 2018 We therefore had proposed to repurpose alpha-difluoromethylornithine (DFMO), an FDA-approved, orally available ODC inhibitor, for management of neuroblastoma, and this intervention is now being pursued in several clinical trials. Eflornithine 39-68 ornithine decarboxylase 1 Homo sapiens 111-114 30404920-6 2018 We therefore had proposed to repurpose alpha-difluoromethylornithine (DFMO), an FDA-approved, orally available ODC inhibitor, for management of neuroblastoma, and this intervention is now being pursued in several clinical trials. Eflornithine 70-74 ornithine decarboxylase 1 Homo sapiens 111-114 30138353-7 2018 Combination treatments using curcumin with the ODC inhibitor 2-difluoromethylornithine (DFMO), an agent currently in clinical chemoprevention trials, significantly enhanced inhibition of ODC activity and decreased growth of GI cancer cell lines beyond that observed with either agent alone. Eflornithine 61-86 ornithine decarboxylase 1 Homo sapiens 47-50 30066894-10 2018 The action of an ODC1 inhibitor (alpha-difluoromethylornithine, DFMO) was studied in the restoration of the anticancer effects of BCT-100 in lung adenocarcinoma. Eflornithine 33-62 ornithine decarboxylase 1 Homo sapiens 17-21 30066894-10 2018 The action of an ODC1 inhibitor (alpha-difluoromethylornithine, DFMO) was studied in the restoration of the anticancer effects of BCT-100 in lung adenocarcinoma. Eflornithine 64-68 ornithine decarboxylase 1 Homo sapiens 17-21 30066894-16 2018 In conclusion, inhibition of ODC1 by DFMO was crucial in facilitating BCT-100 treatment in lung adenocarcinoma that was partially mediated by depleting arginine and polyamines with consequent apoptosis. Eflornithine 37-41 ornithine decarboxylase 1 Homo sapiens 29-33 30262852-3 2018 This study evaluated the ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) as maintenance therapy to prevent relapse following completion of standard therapy (Stratum 1) or after salvage therapy for relapsed/refractory disease (Stratum 2). Eflornithine 59-82 ornithine decarboxylase 1 Homo sapiens 25-48 30262852-3 2018 This study evaluated the ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) as maintenance therapy to prevent relapse following completion of standard therapy (Stratum 1) or after salvage therapy for relapsed/refractory disease (Stratum 2). Eflornithine 84-88 ornithine decarboxylase 1 Homo sapiens 25-48 30026114-8 2018 Therefore, the interaction of Cpd2 and Cpd3 with the ornithine decarboxylase inhibitor eflornithine was determined. Eflornithine 87-99 spinocerebellar ataxia, autosomal recessive 2 Homo sapiens 39-43 30138353-7 2018 Combination treatments using curcumin with the ODC inhibitor 2-difluoromethylornithine (DFMO), an agent currently in clinical chemoprevention trials, significantly enhanced inhibition of ODC activity and decreased growth of GI cancer cell lines beyond that observed with either agent alone. Eflornithine 61-86 ornithine decarboxylase 1 Homo sapiens 187-190 30138353-7 2018 Combination treatments using curcumin with the ODC inhibitor 2-difluoromethylornithine (DFMO), an agent currently in clinical chemoprevention trials, significantly enhanced inhibition of ODC activity and decreased growth of GI cancer cell lines beyond that observed with either agent alone. Eflornithine 88-92 ornithine decarboxylase 1 Homo sapiens 47-50 30138353-7 2018 Combination treatments using curcumin with the ODC inhibitor 2-difluoromethylornithine (DFMO), an agent currently in clinical chemoprevention trials, significantly enhanced inhibition of ODC activity and decreased growth of GI cancer cell lines beyond that observed with either agent alone. Eflornithine 88-92 ornithine decarboxylase 1 Homo sapiens 187-190 29626790-2 2018 Difluoromethylornithine (DFMO, an irreversible inhibitor of ornithine decarboxylase) is reported to modulate polyamines to potentially attenuate proliferation of neuroblastoma cells. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 60-83 30115881-3 2018 In other pediatric cancer models, inhibition of the PA biosynthesis pathway with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) results in decreased cell proliferation and differentiation. Eflornithine 121-150 ornithine decarboxylase 1 Homo sapiens 81-104 30115881-3 2018 In other pediatric cancer models, inhibition of the PA biosynthesis pathway with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) results in decreased cell proliferation and differentiation. Eflornithine 121-150 ornithine decarboxylase 1 Homo sapiens 106-109 30115881-3 2018 In other pediatric cancer models, inhibition of the PA biosynthesis pathway with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) results in decreased cell proliferation and differentiation. Eflornithine 152-156 ornithine decarboxylase 1 Homo sapiens 81-104 30115881-3 2018 In other pediatric cancer models, inhibition of the PA biosynthesis pathway with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) results in decreased cell proliferation and differentiation. Eflornithine 152-156 ornithine decarboxylase 1 Homo sapiens 106-109 29635516-10 2018 Treatment of Tsc2+/- mice with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine, to reduce putrescine synthesis dose-dependently reduced hippocampal astrogliosis. Eflornithine 69-98 TSC complex subunit 2 Mus musculus 13-17 29635516-10 2018 Treatment of Tsc2+/- mice with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine, to reduce putrescine synthesis dose-dependently reduced hippocampal astrogliosis. Eflornithine 69-98 ornithine decarboxylase, structural 1 Mus musculus 35-58 29626790-2 2018 Difluoromethylornithine (DFMO, an irreversible inhibitor of ornithine decarboxylase) is reported to modulate polyamines to potentially attenuate proliferation of neuroblastoma cells. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 60-83 29378419-1 2018 This review covers the literature between 1989 and 2007 on studies relevant to the neuro-oncology usage of eflornithine (alpha-difluoromethylornithine), an oral agent that irreversibly inhibits the enzyme ornithine decarboxylase. Eflornithine 107-119 ornithine decarboxylase 1 Homo sapiens 205-228 29378419-1 2018 This review covers the literature between 1989 and 2007 on studies relevant to the neuro-oncology usage of eflornithine (alpha-difluoromethylornithine), an oral agent that irreversibly inhibits the enzyme ornithine decarboxylase. Eflornithine 121-150 ornithine decarboxylase 1 Homo sapiens 205-228 29559907-5 2018 We report results from a single-case study in which DFMO was administered, for the first time, in an attempt to slow progression of AD in a single woman with multi-domain, amnestic MCI who was unable to tolerate an acetylcholinesterase inhibitor. Eflornithine 52-56 acetylcholinesterase (Cartwright blood group) Homo sapiens 215-235 29215586-9 2017 A combination therapy containing difluoromethylornithine (DFMO, an ODC inhibitor) and a polyamine transport inhibitor (PTI) were shown to significantly deplete intracellular polyamine pools. Eflornithine 33-56 ornithine decarboxylase 1 Homo sapiens 67-70 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 33-62 ornithine decarboxylase 1 Homo sapiens 133-156 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 33-62 ornithine decarboxylase 1 Homo sapiens 158-161 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 64-68 ornithine decarboxylase 1 Homo sapiens 133-156 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 64-68 ornithine decarboxylase 1 Homo sapiens 158-161 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 70-82 ornithine decarboxylase 1 Homo sapiens 133-156 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 70-82 ornithine decarboxylase 1 Homo sapiens 158-161 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 84-91 ornithine decarboxylase 1 Homo sapiens 133-156 29419804-1 2018 The fluorinated ornithine analog alpha-difluoromethylornithine (DFMO, eflornithine, ornidyl) is an irreversible suicide inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme of polyamine biosynthesis. Eflornithine 84-91 ornithine decarboxylase 1 Homo sapiens 158-161 29299930-6 2018 DFMO alone and with Trimer44NMe also inhibited in vivo orthotopic PDAC growth and resulted in decreased c-Myc expression, a readout of polyamine pathway dysfunction. Eflornithine 0-4 MYC proto-oncogene, bHLH transcription factor Homo sapiens 104-109 29240775-5 2017 Difluoromethylornithine (DFMO) a specific inhibitor of ODC significantly reduced cell proliferation, cell viability, and colony formation in cell line models derived from undifferentiated, endometrioid, serous, carcinosarcoma (mixed mesodermal tumor; MMT) and clear cell endometrial cancers. Eflornithine 0-23 ornithine decarboxylase, structural 1 Mus musculus 55-58 29240775-5 2017 Difluoromethylornithine (DFMO) a specific inhibitor of ODC significantly reduced cell proliferation, cell viability, and colony formation in cell line models derived from undifferentiated, endometrioid, serous, carcinosarcoma (mixed mesodermal tumor; MMT) and clear cell endometrial cancers. Eflornithine 25-29 ornithine decarboxylase, structural 1 Mus musculus 55-58 29240775-7 2017 ODC-regulated polyamines (putrescine [Put] and/or spermidine [Spd]) known activators of cell proliferation were strongly decreased in response to DFMO, in both tumor tissue ([Put] (p = 0.0006), [Spd] (p<0.0001)) and blood plasma ([Put] (p<0.0001), [Spd] (p = 0.0049)) of treated mice. Eflornithine 146-150 ornithine decarboxylase, structural 1 Mus musculus 0-3 28346093-5 2017 This enables real-time monitoring of the enzymatic reaction through a continuous fluorescence change caused by dye displacement from the macrocycle by the formed product, which allowed a straightforward determination of enzyme kinetic parameters ( kcat = 0.12 s-1 and KM = 24 microM) and inhibition constants of the two ODC inhibitors alpha-difluoromethylornithine (DFMO) and epigallocatechin gallate (EGCG). Eflornithine 335-364 ornithine decarboxylase 1 Homo sapiens 320-323 29135915-2 2017 Polyamine levels can be depleted by difluoromethylornithine (DFMO), an inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC). Eflornithine 36-59 Ornithine decarboxylase 1 Drosophila melanogaster 122-145 29135915-2 2017 Polyamine levels can be depleted by difluoromethylornithine (DFMO), an inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC). Eflornithine 36-59 Ornithine decarboxylase 1 Drosophila melanogaster 147-150 29135915-2 2017 Polyamine levels can be depleted by difluoromethylornithine (DFMO), an inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC). Eflornithine 61-65 Ornithine decarboxylase 1 Drosophila melanogaster 122-145 29135915-2 2017 Polyamine levels can be depleted by difluoromethylornithine (DFMO), an inhibitor of the key polyamine biosynthesis enzyme ornithine decarboxylase (ODC). Eflornithine 61-65 Ornithine decarboxylase 1 Drosophila melanogaster 147-150 28679527-2 2017 Indeed, ODC is the target of the WHO "essential medicine" eflornithine, which is antagonistic to another anti-HAT drug, suramin. Eflornithine 58-70 ornithine decarboxylase 1 Homo sapiens 8-11 28346093-5 2017 This enables real-time monitoring of the enzymatic reaction through a continuous fluorescence change caused by dye displacement from the macrocycle by the formed product, which allowed a straightforward determination of enzyme kinetic parameters ( kcat = 0.12 s-1 and KM = 24 microM) and inhibition constants of the two ODC inhibitors alpha-difluoromethylornithine (DFMO) and epigallocatechin gallate (EGCG). Eflornithine 366-370 ornithine decarboxylase 1 Homo sapiens 320-323 28478810-12 2017 Depletion of cellular polyamines by DL-a-difluoromethylornithine (DFMO, an inhibitor of polyamine synthesis) suppressed cell migration and proliferation, decreased polyamines content, and reduced [Ca2+]c, which was paralleled by a decrease in TRPC1 and PLC-gamma1 mRNA and protein expression in IEC-6 cells. Eflornithine 66-70 transient receptor potential cation channel, subfamily C, member 1 Rattus norvegicus 243-248 28478810-12 2017 Depletion of cellular polyamines by DL-a-difluoromethylornithine (DFMO, an inhibitor of polyamine synthesis) suppressed cell migration and proliferation, decreased polyamines content, and reduced [Ca2+]c, which was paralleled by a decrease in TRPC1 and PLC-gamma1 mRNA and protein expression in IEC-6 cells. Eflornithine 66-70 phospholipase C, gamma 1 Rattus norvegicus 253-263 28707668-8 2017 It has been demonstrated that, in cells transfected with HCV genes, DFMO reduces the production of three out of four tested cytokines, namely, TNF-alpha and TGF-beta in cells that express HCV core, E1E2, NS3, NS5A, and NS5B proteins, and IL-1beta in the cells that express HCV core, E1E2, and NS3 proteins. Eflornithine 68-72 tumor necrosis factor Homo sapiens 143-152 28707668-8 2017 It has been demonstrated that, in cells transfected with HCV genes, DFMO reduces the production of three out of four tested cytokines, namely, TNF-alpha and TGF-beta in cells that express HCV core, E1E2, NS3, NS5A, and NS5B proteins, and IL-1beta in the cells that express HCV core, E1E2, and NS3 proteins. Eflornithine 68-72 transforming growth factor beta 1 Homo sapiens 157-165 28707668-8 2017 It has been demonstrated that, in cells transfected with HCV genes, DFMO reduces the production of three out of four tested cytokines, namely, TNF-alpha and TGF-beta in cells that express HCV core, E1E2, NS3, NS5A, and NS5B proteins, and IL-1beta in the cells that express HCV core, E1E2, and NS3 proteins. Eflornithine 68-72 interleukin 1 beta Homo sapiens 238-246 29872701-3 2017 Then we investigated the function of ornithine decarboxylase in ESCC cells by using shRNA and an irreversible inhibitor of ornithine decarboxylase, difluoromethylornithine. Eflornithine 148-171 ornithine decarboxylase 1 Homo sapiens 37-60 28125906-1 2017 Difluoromethylornithine (DFMO; eflornithine) is an irreversible suicide inhibitor of the enzyme ornithine decarboxylase which is involved in polyamine synthesis. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 96-119 28478810-13 2017 AT-I reversed the effects of DFMO on polyamines content, [Ca2+]c, TRPC1 and PLC-gamma1 mRNA and protein expression, and restored IEC-6 cell migration and proliferation to near normal levels. Eflornithine 29-33 transient receptor potential cation channel, subfamily C, member 1 Rattus norvegicus 66-71 28478810-13 2017 AT-I reversed the effects of DFMO on polyamines content, [Ca2+]c, TRPC1 and PLC-gamma1 mRNA and protein expression, and restored IEC-6 cell migration and proliferation to near normal levels. Eflornithine 29-33 phospholipase C, gamma 1 Rattus norvegicus 76-86 28125906-1 2017 Difluoromethylornithine (DFMO; eflornithine) is an irreversible suicide inhibitor of the enzyme ornithine decarboxylase which is involved in polyamine synthesis. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 96-119 28125906-1 2017 Difluoromethylornithine (DFMO; eflornithine) is an irreversible suicide inhibitor of the enzyme ornithine decarboxylase which is involved in polyamine synthesis. Eflornithine 31-43 ornithine decarboxylase 1 Homo sapiens 96-119 27001865-5 2016 Moreover, it completely prevented alpha-difluoromethylornithine (DFMO)-induced increase in [(14)C] Spd uptake, and inhibited [(14)C] putrescine (Put) uptake and ODC activity in vivo Seven-day treatment of DU145 cells with TETA caused growth cessation by reducing intracellular polyamine levels and suppressing the formation of hypusinated eukaryotic translation initiation factor 5A (eIF5A). Eflornithine 65-69 ornithine decarboxylase 1 Homo sapiens 161-164 27841323-8 2016 DFMO, Rosuvastatin and/or combinations significantly decreased polyamine content and increased intra-tumoral NK cells expressing perforin plus IFN-gamma compared to untreated colon tumors. Eflornithine 0-4 interferon gamma Rattus norvegicus 143-152 27555600-9 2016 Inhibition of ODC1 activity by RS1-Reg mutants and the ODC1 inhibitor difluoromethylornithine (DFMO) was measured in the absence and presence of glucose. Eflornithine 70-93 ornithine decarboxylase 1 L homeolog Xenopus laevis 55-59 27555600-9 2016 Inhibition of ODC1 activity by RS1-Reg mutants and the ODC1 inhibitor difluoromethylornithine (DFMO) was measured in the absence and presence of glucose. Eflornithine 95-99 ornithine decarboxylase 1 L homeolog Xenopus laevis 14-18 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 86-109 ornithine decarboxylase 1 Homo sapiens 176-201 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 86-109 ornithine decarboxylase 1 Homo sapiens 203-207 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 86-109 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 301-305 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 111-115 ornithine decarboxylase 1 Homo sapiens 176-201 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 111-115 ornithine decarboxylase 1 Homo sapiens 203-207 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 111-115 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 301-305 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 129-141 ornithine decarboxylase 1 Homo sapiens 176-201 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 129-141 ornithine decarboxylase 1 Homo sapiens 203-207 27535047-6 2016 Here, we describe the antiviral effects of two molecules that alter polyamine levels: difluoromethylornithine (DFMO; also called eflornithine), which is a suicide inhibitor of ornithine decarboxylase 1 (ODC1), and diethylnorspermine (DENSpm), an activator of spermidine/spermine N1-acetyltransferase (SAT1). Eflornithine 129-141 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 301-305 27480131-2 2016 Inhibition of ornithine decarboxylase (ODC) using low-dose eflornithine (DFMO, CPP-1X), combined with maximal PA export using low-dose sulindac, results in greatly reduced levels of normal mucosal PAs. Eflornithine 59-71 ornithine decarboxylase 1 Homo sapiens 14-37 27480131-2 2016 Inhibition of ornithine decarboxylase (ODC) using low-dose eflornithine (DFMO, CPP-1X), combined with maximal PA export using low-dose sulindac, results in greatly reduced levels of normal mucosal PAs. Eflornithine 59-71 ornithine decarboxylase 1 Homo sapiens 39-42 27480131-2 2016 Inhibition of ornithine decarboxylase (ODC) using low-dose eflornithine (DFMO, CPP-1X), combined with maximal PA export using low-dose sulindac, results in greatly reduced levels of normal mucosal PAs. Eflornithine 73-77 ornithine decarboxylase 1 Homo sapiens 14-37 27480131-2 2016 Inhibition of ornithine decarboxylase (ODC) using low-dose eflornithine (DFMO, CPP-1X), combined with maximal PA export using low-dose sulindac, results in greatly reduced levels of normal mucosal PAs. Eflornithine 73-77 ornithine decarboxylase 1 Homo sapiens 39-42 27012811-7 2016 Furthermore, the combination of DFMO with celecoxib was found to be highly active, alone, and combined with numerous chemotherapy regimens, in regressing established tumors in both models, including tumors harboring highest risk genetic lesions such as MYCN amplification, ALK mutation, and TP53 mutation with multidrug resistance. Eflornithine 32-36 v-myc avian myelocytomatosis viral related oncogene, neuroblastoma derived Mus musculus 253-257 27012811-7 2016 Furthermore, the combination of DFMO with celecoxib was found to be highly active, alone, and combined with numerous chemotherapy regimens, in regressing established tumors in both models, including tumors harboring highest risk genetic lesions such as MYCN amplification, ALK mutation, and TP53 mutation with multidrug resistance. Eflornithine 32-36 anaplastic lymphoma kinase Mus musculus 273-276 27012811-7 2016 Furthermore, the combination of DFMO with celecoxib was found to be highly active, alone, and combined with numerous chemotherapy regimens, in regressing established tumors in both models, including tumors harboring highest risk genetic lesions such as MYCN amplification, ALK mutation, and TP53 mutation with multidrug resistance. Eflornithine 32-36 transformation related protein 53 Mus musculus 291-295 29897188-5 2016 The specific ODC inhibitor difluoromethylornithine (DFMO) increased ROS levels and weakened the ability of sodium nitrite and ammonium chloride mixture in the regulation of invasion of SMMC-7721 cells. Eflornithine 27-50 ornithine decarboxylase 1 Homo sapiens 13-16 29897188-5 2016 The specific ODC inhibitor difluoromethylornithine (DFMO) increased ROS levels and weakened the ability of sodium nitrite and ammonium chloride mixture in the regulation of invasion of SMMC-7721 cells. Eflornithine 52-56 ornithine decarboxylase 1 Homo sapiens 13-16 27429841-0 2016 ATP13A3 and caveolin-1 as potential biomarkers for difluoromethylornithine-based therapies in pancreatic cancers. Eflornithine 51-74 ATPase 13A3 Homo sapiens 0-7 27429841-0 2016 ATP13A3 and caveolin-1 as potential biomarkers for difluoromethylornithine-based therapies in pancreatic cancers. Eflornithine 51-74 caveolin 1 Homo sapiens 12-22 27429841-2 2016 Cell lines with low polyamine import activity and low ATP13A3 protein levels appear committed to polyamine biosynthesis and required high concentrations of the polyamine biosynthesis inhibitor, difluoromethylornithine (DFMO) to inhibit their growth (e.g., AsPC-1 and Capan 1). Eflornithine 194-217 ATPase 13A3 Homo sapiens 54-61 27429841-2 2016 Cell lines with low polyamine import activity and low ATP13A3 protein levels appear committed to polyamine biosynthesis and required high concentrations of the polyamine biosynthesis inhibitor, difluoromethylornithine (DFMO) to inhibit their growth (e.g., AsPC-1 and Capan 1). Eflornithine 219-223 ATPase 13A3 Homo sapiens 54-61 27429841-3 2016 In contrast, cell lines with high polyamine import activity and high ATP13A3 protein expression (e.g., L3.6pl) demonstrated a commitment to polyamine transport and required lower DFMO concentrations to inhibit their growth. Eflornithine 179-183 ATPase 13A3 Homo sapiens 69-76 27429841-6 2016 High ATP13A3 protein expression and moderate to low Cav-1 protein expression was shown to be predictive of tumors which effectively escape DFMO via polyamine import. Eflornithine 139-143 ATPase 13A3 Homo sapiens 5-12 27429841-6 2016 High ATP13A3 protein expression and moderate to low Cav-1 protein expression was shown to be predictive of tumors which effectively escape DFMO via polyamine import. Eflornithine 139-143 caveolin 1 Homo sapiens 52-57 27429841-7 2016 In summary, this report demonstrates for the first time the role of ATP13A3 in polyamine transport and its use as a potential biomarker along with Cav-1 to select tumors most susceptible to DFMO. Eflornithine 190-194 ATPase 13A3 Homo sapiens 68-75 26529275-2 2016 Inhibition of polyamine synthesis by alpha-difluoro-methylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, attenuates VSMC proliferation with high sensitivity and specificity. Eflornithine 37-67 ornithine decarboxylase, structural 1 Mus musculus 105-128 26529275-2 2016 Inhibition of polyamine synthesis by alpha-difluoro-methylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, attenuates VSMC proliferation with high sensitivity and specificity. Eflornithine 69-73 ornithine decarboxylase, structural 1 Mus musculus 105-128 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 66-69 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 ornithine decarboxylase antizyme 1 Mus musculus 95-98 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 cyclin D1 Mus musculus 174-183 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 cyclin A2 Mus musculus 188-196 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 transformation related protein 53, pseudogene Mus musculus 226-229 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 231-234 27293987-10 2016 DFMO and combination-treated mice lung tumors exhibited modulated ODC pathway components (Oat, Oaz, SRM, SMS, and SAT, p < 0.05) along with decreased proliferation (PCNA, Cyclin D1 and Cyclin A) and increased expression of p53, p21 and p27 compared to mice fed control diet. Eflornithine 0-4 cyclin-dependent kinase inhibitor 1B Mus musculus 239-242 26663722-0 2016 Targeting Ornithine Decarboxylase by alpha-Difluoromethylornithine Inhibits Tumor Growth by Impairing Myeloid-Derived Suppressor Cells. Eflornithine 37-66 ornithine decarboxylase, structural 1 Mus musculus 10-33 26663722-2 2016 However, little is known about the effect of ornithine decarboxylase (ODC) inhibition by DFMO on antitumor immune responses. Eflornithine 89-93 ornithine decarboxylase, structural 1 Mus musculus 45-68 26663722-2 2016 However, little is known about the effect of ornithine decarboxylase (ODC) inhibition by DFMO on antitumor immune responses. Eflornithine 89-93 ornithine decarboxylase, structural 1 Mus musculus 70-73 26663722-3 2016 We showed in this study that pharmacologic blockade of ODC by DFMO inhibited tumor growth in intact immunocompetent mice, but abrogated in the immunodeficient Rag1(-/-) mice, suggesting that antitumor effect of DFMO is dependent on the induction of adaptive antitumor T cell immune responses. Eflornithine 62-66 ornithine decarboxylase, structural 1 Mus musculus 55-58 26663722-3 2016 We showed in this study that pharmacologic blockade of ODC by DFMO inhibited tumor growth in intact immunocompetent mice, but abrogated in the immunodeficient Rag1(-/-) mice, suggesting that antitumor effect of DFMO is dependent on the induction of adaptive antitumor T cell immune responses. Eflornithine 211-215 ornithine decarboxylase, structural 1 Mus musculus 55-58 26663722-5 2016 Moreover, DFMO treatment enhanced antitumor CD8(+) T cell infiltration and IFN-gamma production and augmented the efficacy of adoptive T cell therapy. Eflornithine 10-14 interferon gamma Mus musculus 75-84 26663722-6 2016 Importantly, DFMO impaired Gr1(+)CD11b(+) myeloid-derived suppressor cells (MDSCs) suppressive activity through at least two mechanisms, including reducing arginase expression and activity and inhibiting the CD39/CD73-mediated pathway. Eflornithine 13-17 integrin subunit alpha M Homo sapiens 33-38 26663722-6 2016 Importantly, DFMO impaired Gr1(+)CD11b(+) myeloid-derived suppressor cells (MDSCs) suppressive activity through at least two mechanisms, including reducing arginase expression and activity and inhibiting the CD39/CD73-mediated pathway. Eflornithine 13-17 ectonucleoside triphosphate diphosphohydrolase 1 Homo sapiens 208-212 26663722-6 2016 Importantly, DFMO impaired Gr1(+)CD11b(+) myeloid-derived suppressor cells (MDSCs) suppressive activity through at least two mechanisms, including reducing arginase expression and activity and inhibiting the CD39/CD73-mediated pathway. Eflornithine 13-17 5'-nucleotidase ecto Homo sapiens 213-217 26663722-8 2016 Our findings establish a new role of ODC inhibition by DFMO as a viable and effective immunological adjunct in effective cancer treatment, thereby adding to the growing list of chemoimmunotherapeutic applications of these agents. Eflornithine 55-59 ornithine decarboxylase, structural 1 Mus musculus 37-40 26426536-6 2015 Furthermore, testosterone administered to castrated male mice restores prostate secretory activity, whereas administering testosterone and the ornithine decarboxylase inhibitor D,L-alpha-difluromethylornithine (DFMO) to castrated males does not restore prostate secretory activity, suggesting that polyamines are required for androgens to exert their effects. Eflornithine 211-215 ornithine decarboxylase, structural 1 Mus musculus 143-166 27074051-3 2016 Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, has attracted considerable interest for its antiproliferative role, which it exerts through inhibition of the polyamine pathway and cell turnover. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 61-64 27074051-3 2016 Difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, has attracted considerable interest for its antiproliferative role, which it exerts through inhibition of the polyamine pathway and cell turnover. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 61-64 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 38-41 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 heat shock protein family A (Hsp70) member 5 Rattus norvegicus 43-71 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 heat shock protein family A (Hsp70) member 5 Rattus norvegicus 73-78 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 DNA-damage inducible transcript 3 Rattus norvegicus 81-105 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 DNA-damage inducible transcript 3 Rattus norvegicus 107-111 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 caspase 12 Rattus norvegicus 122-132 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 BCL2 associated X, apoptosis regulator Rattus norvegicus 138-141 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 spermidine/spermine N1-acetyl transferase 1 Rattus norvegicus 177-181 27074051-12 2016 DFMO down-regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up-regulated the expression of SSAT and Bcl-2. Eflornithine 0-4 BCL2, apoptosis regulator Rattus norvegicus 186-191 26884982-9 2015 CHOP expression was significantly lower in DFMO group than in I/R group at each time point (P<0.05). Eflornithine 43-47 DNA-damage inducible transcript 3 Rattus norvegicus 0-4 26426536-10 2015 Inhibiting ornithine decarboxylase using DFMO in UGS organ culture blocked the induction of prostatic buds by androgens, and significantly decreased expression of key prostate transcription factor, Nkx3.1, by androgens. Eflornithine 41-45 ornithine decarboxylase, structural 1 Mus musculus 11-34 26426536-10 2015 Inhibiting ornithine decarboxylase using DFMO in UGS organ culture blocked the induction of prostatic buds by androgens, and significantly decreased expression of key prostate transcription factor, Nkx3.1, by androgens. Eflornithine 41-45 NK3 homeobox 1 Mus musculus 198-204 26426536-11 2015 DFMO also significantly decreased the expression of developmental regulatory gene Notch1. Eflornithine 0-4 notch 1 Mus musculus 82-88 26396545-7 2015 DFMO alone or in combination with sulindac suppressed both the tumor number and tumor burden growth rate in the CP setting because of DFMO-mediated decrease in cell proliferation (Ki-67, P < 0.001) and K-RAS mutations frequency (P = 0.04). Eflornithine 0-4 Kirsten rat sarcoma viral oncogene homolog Mus musculus 205-210 26396545-7 2015 DFMO alone or in combination with sulindac suppressed both the tumor number and tumor burden growth rate in the CP setting because of DFMO-mediated decrease in cell proliferation (Ki-67, P < 0.001) and K-RAS mutations frequency (P = 0.04). Eflornithine 134-138 Kirsten rat sarcoma viral oncogene homolog Mus musculus 205-210 26396545-9 2015 A decrease in COX-2 staining in DFMO/sulindac CT groups (COX-2, P < 0.01) confirmed the treatment effect. Eflornithine 32-36 cytochrome c oxidase II, mitochondrial Mus musculus 14-19 26396545-9 2015 A decrease in COX-2 staining in DFMO/sulindac CT groups (COX-2, P < 0.01) confirmed the treatment effect. Eflornithine 32-36 cytochrome c oxidase II, mitochondrial Mus musculus 57-62 26835380-4 2015 DFMO is an irreversible inhibitor of ornithine decarboxylase (Odc), a MYC target gene, bona fide oncogene, and the rate-limiting enzyme in polyamine synthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 26140984-2 2015 Suppression of ODC by its irreversible inhibitor, alpha-difluoromethylornithine (DFMO), or by RNA interference through siRNA, enhanced osteogenic gene expression and alkaline phosphatase activity, and accelerated matrix mineralization of human bone marrow-derived mesenchymal stem cells (hBMSCs). Eflornithine 50-79 ornithine decarboxylase 1 Homo sapiens 15-18 26140984-2 2015 Suppression of ODC by its irreversible inhibitor, alpha-difluoromethylornithine (DFMO), or by RNA interference through siRNA, enhanced osteogenic gene expression and alkaline phosphatase activity, and accelerated matrix mineralization of human bone marrow-derived mesenchymal stem cells (hBMSCs). Eflornithine 81-85 ornithine decarboxylase 1 Homo sapiens 15-18 25818703-4 2015 The suitability of this methodology is further corroborated through the examination of the metabolic changes in the polyamines pathway produced in colon cancer HT-29 cells by difluoromethylornithine (DFMO), a known potent ornithine decarboxylase inhibitor. Eflornithine 175-198 ornithine decarboxylase 1 Homo sapiens 222-245 25818703-4 2015 The suitability of this methodology is further corroborated through the examination of the metabolic changes in the polyamines pathway produced in colon cancer HT-29 cells by difluoromethylornithine (DFMO), a known potent ornithine decarboxylase inhibitor. Eflornithine 200-204 ornithine decarboxylase 1 Homo sapiens 222-245 26112945-6 2015 Determination of ODC - the key enzyme of the polyamine synthesis - in the samples of experimental tumors was performed by method of Luqman S. RESULTS: Administration of DFMO or it"s combination with nor-NOHA resulted in the decrease of tumor growth rate, number and volume of lung metastases and was accompanied with reduced ODC activity in tumor tissue. Eflornithine 169-173 ornithine decarboxylase, structural 1 Mus musculus 17-20 26112945-6 2015 Determination of ODC - the key enzyme of the polyamine synthesis - in the samples of experimental tumors was performed by method of Luqman S. RESULTS: Administration of DFMO or it"s combination with nor-NOHA resulted in the decrease of tumor growth rate, number and volume of lung metastases and was accompanied with reduced ODC activity in tumor tissue. Eflornithine 169-173 ornithine decarboxylase, structural 1 Mus musculus 325-328 25935110-2 2015 Another promising cancer therapy is difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, which is oraly administered and well tolerated. Eflornithine 36-59 ornithine decarboxylase 1 Homo sapiens 84-107 25935110-2 2015 Another promising cancer therapy is difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, which is oraly administered and well tolerated. Eflornithine 61-65 ornithine decarboxylase 1 Homo sapiens 84-107 26835380-4 2015 DFMO is an irreversible inhibitor of ornithine decarboxylase (Odc), a MYC target gene, bona fide oncogene, and the rate-limiting enzyme in polyamine synthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 62-65 26835380-4 2015 DFMO is an irreversible inhibitor of ornithine decarboxylase (Odc), a MYC target gene, bona fide oncogene, and the rate-limiting enzyme in polyamine synthesis. Eflornithine 0-4 MYC proto-oncogene, bHLH transcription factor Homo sapiens 70-73 26835380-12 2015 Putative DFMO activities that are both cancer cell intrinsic (targeting the principal oncogenic driver, MYC) and cancer cell extrinsic (altering the tumor microenvironment to support anti-tumor immunity) will be discussed. Eflornithine 9-13 MYC proto-oncogene, bHLH transcription factor Homo sapiens 104-107 26018967-3 2015 This study investigated safety, response, pharmacokinetics, genetic and metabolic factors associated with ODC in a clinical trial of the ODC inhibitor difluoromethylornithine (DFMO) +- etoposide for patients with relapsed or refractory NB. Eflornithine 151-174 ornithine decarboxylase 1 Homo sapiens 137-140 26018967-8 2015 Patients with the minor T-allele at rs2302616 of the ODC gene had higher baseline levels (p=0.02) of, and larger decreases in, total urinary polyamines during the first cycle of DFMO therapy (p=0.003) and had median progression free survival (PFS) that was over three times longer, compared to patients with the major G allele at this locus although this last result was not statistically significant (p=0.07). Eflornithine 178-182 ornithine decarboxylase 1 Homo sapiens 53-56 26018967-12 2015 Children with the minor T allele at rs2302616 of the ODC gene with relapsed or refractory NB had higher levels of urinary polyamine markers and responded better to therapy containing DFMO, compared to those with the major G allele at this locus. Eflornithine 183-187 ornithine decarboxylase 1 Homo sapiens 53-56 26323151-1 2015 To study the effect of the combined administration of different doses of Glycyrrhizae Radix et Rhizoma and Atractylodis Macrocephalae Rhizoma on the proliferation of DFMO-treated intestinal epithelial cells (IEC-6) and p53, p21 mRNA and protein expressions, in order to define the molecular basis for the effect of the combined administration of different doses of Glycyrrhizae Radix et Rhizoma and Atractylodis Macrocephalae Rhizoma on the cell proliferation. Eflornithine 166-170 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 219-222 26323151-1 2015 To study the effect of the combined administration of different doses of Glycyrrhizae Radix et Rhizoma and Atractylodis Macrocephalae Rhizoma on the proliferation of DFMO-treated intestinal epithelial cells (IEC-6) and p53, p21 mRNA and protein expressions, in order to define the molecular basis for the effect of the combined administration of different doses of Glycyrrhizae Radix et Rhizoma and Atractylodis Macrocephalae Rhizoma on the cell proliferation. Eflornithine 166-170 KRAS proto-oncogene, GTPase Rattus norvegicus 224-227 26323151-5 2015 Atractylodis Macrocephalae Rhizoma could increase p53, p21 mRNA and proteins expression in DFMO-treated IEC-6 cells. Eflornithine 91-95 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 50-53 26323151-5 2015 Atractylodis Macrocephalae Rhizoma could increase p53, p21 mRNA and proteins expression in DFMO-treated IEC-6 cells. Eflornithine 91-95 KRAS proto-oncogene, GTPase Rattus norvegicus 55-58 26323151-6 2015 The combined administration of different ratios of Atractylodis Macrocephalae Rhizoma and Glycyrrhizae Radix et Rhizoma could significantly down-regulate Atractylodis Macrocephalae Rhizoma"s effect on p53, p21 mRNA and proteins expression in DFMO-treated IEC-6 cells and promote the proliferation of IEC-6 cells. Eflornithine 242-246 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 201-204 26323151-6 2015 The combined administration of different ratios of Atractylodis Macrocephalae Rhizoma and Glycyrrhizae Radix et Rhizoma could significantly down-regulate Atractylodis Macrocephalae Rhizoma"s effect on p53, p21 mRNA and proteins expression in DFMO-treated IEC-6 cells and promote the proliferation of IEC-6 cells. Eflornithine 242-246 KRAS proto-oncogene, GTPase Rattus norvegicus 206-209 25415050-7 2015 In vitro experiments using NB cell lines, BE(2)-C, SMS-KCNR, and CHLA90 show that DFMO treatment reduced LIN28B and MYCN protein levels and increased Let-7 miRNA and decreased neurosphere formation. Eflornithine 82-86 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 116-120 25415050-6 2015 Difluoromethylornithine (DFMO) is an inhibitor of ODC in clinical trials for children with NB. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 50-53 25415050-6 2015 Difluoromethylornithine (DFMO) is an inhibitor of ODC in clinical trials for children with NB. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 50-53 25415050-7 2015 In vitro experiments using NB cell lines, BE(2)-C, SMS-KCNR, and CHLA90 show that DFMO treatment reduced LIN28B and MYCN protein levels and increased Let-7 miRNA and decreased neurosphere formation. Eflornithine 82-86 lin-28 homolog B Homo sapiens 105-111 25248858-0 2014 Eflornithine (DFMO) prevents progression of pancreatic cancer by modulating ornithine decarboxylase signaling. Eflornithine 0-12 ornithine decarboxylase, structural 1 Mus musculus 76-99 25248858-0 2014 Eflornithine (DFMO) prevents progression of pancreatic cancer by modulating ornithine decarboxylase signaling. Eflornithine 14-18 ornithine decarboxylase, structural 1 Mus musculus 76-99 25248858-3 2014 Interest in use of the ODC inhibitor eflornithine (DFMO) as a cancer chemopreventive agent has increased in recent years since ODC was shown to be transactivated by the c-myc oncogene and to cooperate with the ras oncogene in malignant transformation of epithelial tissues. Eflornithine 37-49 ornithine decarboxylase, structural 1 Mus musculus 23-26 25248858-3 2014 Interest in use of the ODC inhibitor eflornithine (DFMO) as a cancer chemopreventive agent has increased in recent years since ODC was shown to be transactivated by the c-myc oncogene and to cooperate with the ras oncogene in malignant transformation of epithelial tissues. Eflornithine 37-49 ornithine decarboxylase, structural 1 Mus musculus 127-130 25248858-3 2014 Interest in use of the ODC inhibitor eflornithine (DFMO) as a cancer chemopreventive agent has increased in recent years since ODC was shown to be transactivated by the c-myc oncogene and to cooperate with the ras oncogene in malignant transformation of epithelial tissues. Eflornithine 51-55 ornithine decarboxylase, structural 1 Mus musculus 23-26 25248858-3 2014 Interest in use of the ODC inhibitor eflornithine (DFMO) as a cancer chemopreventive agent has increased in recent years since ODC was shown to be transactivated by the c-myc oncogene and to cooperate with the ras oncogene in malignant transformation of epithelial tissues. Eflornithine 51-55 ornithine decarboxylase, structural 1 Mus musculus 127-130 25248858-5 2014 The Kras(G12D/+) mice fed DFMO at 0.1% and 0.2% in the diet showed a significant inhibition (P < 0.0001) of PDAC incidence compared with mice fed control diet. Eflornithine 26-30 Kirsten rat sarcoma viral oncogene homolog Mus musculus 4-8 25248858-8 2014 DFMO-treated pancreas exhibited modulated ODC pathway components along with decreased proliferation and increased expression of p21/p27 as compared with pancreatic tissues derived from mice fed control diet. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 42-45 25248858-8 2014 DFMO-treated pancreas exhibited modulated ODC pathway components along with decreased proliferation and increased expression of p21/p27 as compared with pancreatic tissues derived from mice fed control diet. Eflornithine 0-4 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 128-131 25248858-8 2014 DFMO-treated pancreas exhibited modulated ODC pathway components along with decreased proliferation and increased expression of p21/p27 as compared with pancreatic tissues derived from mice fed control diet. Eflornithine 0-4 dynactin 6 Mus musculus 132-135 26093909-4 2015 We and others previously showed that polyamines (PA) like spermidine and spermine are essential for NB tumorigenesis and that DFMO, an inhibitor of the key PA synthesis gene product ODC, is effective both in vitro and in vivo, securing its evaluation in NB clinical trials. Eflornithine 126-130 ornithine decarboxylase 1 Homo sapiens 182-185 25730793-2 2015 In these methods eflornithine hydrochloride react with bromocresol green (buffer of pH 4), bromophenol blue (buffer pH 4.5), methyl orange (buffer of pH 5.5) and bromothymol blue (buffer of pH 5) respectively. Eflornithine 17-43 prolyl 4-hydroxylase, transmembrane Homo sapiens 84-88 25730793-2 2015 In these methods eflornithine hydrochloride react with bromocresol green (buffer of pH 4), bromophenol blue (buffer pH 4.5), methyl orange (buffer of pH 5.5) and bromothymol blue (buffer of pH 5) respectively. Eflornithine 17-43 prolyl 4-hydroxylase, transmembrane Homo sapiens 116-120 25449949-10 2015 Therefore, we demonstrated cross-talk with the use of alpha-difluoromethylornithine which can reduce the activity of ornithine decarboxylase of L. donovani, eliminating the parasite-induced immune suppression and inducing collateral host protective responses in visceral leishmaniasis. Eflornithine 54-83 ornithine decarboxylase 1 Homo sapiens 117-140 25415050-9 2015 Additionally, sensitivity to DFMO treatment correlated with LIN28B overexpression (BE(2)-C>SMS-KCNR>CHLA90). Eflornithine 29-33 lin-28 homolog B Homo sapiens 60-66 25415050-10 2015 This is the first study to demonstrate that DFMO treatment restores balance to the LIN28/Let-7 axis and inhibits glycolytic metabolism and neurosphere formation in NB and that PET scans may be a meaningful imaging tool to evaluate the therapeutic effects of DFMO treatment. Eflornithine 44-48 lin-28 homolog A Homo sapiens 83-88 24666424-5 2014 Treatment with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, reduced DNA synthesis in primary rat VSMCs in a concentration-dependent manner with an IC50 value of 100 muM. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 82-85 24666424-5 2014 Treatment with alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, reduced DNA synthesis in primary rat VSMCs in a concentration-dependent manner with an IC50 value of 100 muM. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 82-85 25253735-7 2014 Our results indicate that putrescine promotes cell proliferation and protein synthesis in a dose- and time-dependent manner, which was inhibited by difluoro-methylornithine (an inhibitor of ornithine decarboxylase). Eflornithine 148-172 Ornithine decarboxylase 1 Drosophila melanogaster 190-213 24077669-5 2014 2-Difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, increased both transcription from the canonical transcription start site and the ratio of the full-length mRNA to Azin1-X mRNA, whereas polyamines show the opposite effect. Eflornithine 0-25 antizyme inhibitor 1 Homo sapiens 185-190 25375198-11 2014 Further analyses also revealed that DFMO increased hippocampal protein levels of the antioxidants thioredoxin 1 and peroxiredoxin 3 compared to vehicle treated animals. Eflornithine 36-40 thioredoxin 1 Mus musculus 98-111 25375198-11 2014 Further analyses also revealed that DFMO increased hippocampal protein levels of the antioxidants thioredoxin 1 and peroxiredoxin 3 compared to vehicle treated animals. Eflornithine 36-40 peroxiredoxin 3 Mus musculus 116-131 24921942-4 2014 In this study we show here that interruption of NMDAR modulation by polyamines through blockade of its binding site at NMDAR by arcaine (0.02 nmol/site), or inhibition of polyamine synthesis by DFMO (2.7 nmol/site), reverses Abeta25-35-induced memory impairment in mice in a novel object recognition task. Eflornithine 194-198 glutamate receptor, ionotropic, NMDA1 (zeta 1) Mus musculus 48-53 24921942-6 2014 The Abeta-induced nuclear translocation of Jacob was blocked upon application of traxoprodil (4 nM), arcaine (4 microM) or DFMO (5 microM), suggesting that activation of the polyamine binding site at NMDAR located probably at extrasynaptic sites might underlie the cognitive deficits of Abeta25-35-treated mice. Eflornithine 123-127 glutamate receptor, ionotropic, NMDA1 (zeta 1) Mus musculus 200-205 23846959-3 2014 To test a role for polyamines in type 1 diabetes pathogenesis, we administered the ornithine decarboxylase inhibitor difluoromethylornithine to two mouse models--the low-dose streptozotocin model and the NOD model--to deplete intracellular polyamines, and administered streptozotocin to a third model, which was haploinsufficient for the gene encoding the hypusination enzyme deoxyhypusine synthase. Eflornithine 117-140 ornithine decarboxylase, structural 1 Mus musculus 83-106 23846959-6 2014 Difluoromethylornithine treatment reduced hypusinated eIF5A levels in both immune cells and islets. Eflornithine 0-23 eukaryotic translation initiation factor 5A Mus musculus 54-59 25315710-4 2014 We and others previously showed that polyamines such as spermidine play an essential role in NB tumorigenesis and that DFMO, an inhibitor of the central polyamine synthesis gene ODC, is effective in vitro and in vivo, prompting its evaluation in NB clinical trials. Eflornithine 119-123 ornithine decarboxylase 1 Homo sapiens 178-181 24824458-9 2014 Surprisingly, addition of DENSpm along with DFMO restored AZ1 induction by putrescine in polyamine-depleted cells suggesting that the increased SSAT activity in response to DENSpm converted SPM to SPD, leading to the expression of AZ1. Eflornithine 44-48 spermidine/spermine N1-acetyl transferase 1 Rattus norvegicus 144-148 24464033-5 2014 An inhibitor of ODC, alpha-difluoromethylornithine (DFMO), abolished the IPC-induced cardioprotection. Eflornithine 21-50 ornithine decarboxylase 1 Rattus norvegicus 16-19 24464033-5 2014 An inhibitor of ODC, alpha-difluoromethylornithine (DFMO), abolished the IPC-induced cardioprotection. Eflornithine 52-56 ornithine decarboxylase 1 Rattus norvegicus 16-19 24077669-5 2014 2-Difluoromethylornithine (DFMO), an inhibitor of polyamine synthesis, increased both transcription from the canonical transcription start site and the ratio of the full-length mRNA to Azin1-X mRNA, whereas polyamines show the opposite effect. Eflornithine 27-31 antizyme inhibitor 1 Homo sapiens 185-190 24405276-7 2014 This PTI exhibited decreased sensitivity to amine oxidases and low toxicity as well as high potency (EC50 = 1.4 muM) in inhibiting the uptake of spermidine (1 muM) in DFMO-treated L3.6pl human pancreatic cancer cells. Eflornithine 167-171 latexin Homo sapiens 112-115 24305501-8 2014 Accordingly, we administered testosterone with and without alpha-difluoromethylornithine (DFMO), an Odc1 inhibitor, to castrated mice. Eflornithine 59-88 ornithine decarboxylase, structural 1 Mus musculus 100-104 24305501-8 2014 Accordingly, we administered testosterone with and without alpha-difluoromethylornithine (DFMO), an Odc1 inhibitor, to castrated mice. Eflornithine 90-94 ornithine decarboxylase, structural 1 Mus musculus 100-104 24778323-3 2014 A polyamine-blocking therapy (PBT) that combines the well-characterized ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) with AMXT 1501, a novel inhibitor of the polyamine transport system, blocked tumor growth in immunocompetent mice but not in athymic nude mice lacking T cells. Eflornithine 112-135 ornithine decarboxylase, structural 1 Mus musculus 72-95 24405276-7 2014 This PTI exhibited decreased sensitivity to amine oxidases and low toxicity as well as high potency (EC50 = 1.4 muM) in inhibiting the uptake of spermidine (1 muM) in DFMO-treated L3.6pl human pancreatic cancer cells. Eflornithine 167-171 latexin Homo sapiens 159-162 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 ornithine decarboxylase 1 Rattus norvegicus 60-63 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 heat shock protein family A (Hsp70) member 5 Rattus norvegicus 65-93 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 heat shock protein family A (Hsp70) member 5 Rattus norvegicus 95-100 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 DNA-damage inducible transcript 3 Rattus norvegicus 103-127 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 DNA-damage inducible transcript 3 Rattus norvegicus 129-133 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 caspase 12 Rattus norvegicus 144-154 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 BCL2 associated X, apoptosis regulator Rattus norvegicus 160-163 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 spermidine/spermine N1-acetyl transferase 1 Rattus norvegicus 199-203 25323967-12 2014 In addition, DFMO (0.5 mM) down regulated the expression of ODC, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), cleaved caspase-12, and Bax and up regulated the expression of SSAT and Bcl-2. Eflornithine 13-17 BCL2, apoptosis regulator Rattus norvegicus 208-213 23701543-15 2014 Although roscovitine was less effective in DU145 cells, pre-treatment with alpha-difluoromethylornithine (DFMO), an inhibitor of ODC, enhanced the roscovitine-induced apoptotic cell death through the cleavage of caspase-9 and caspase-3. Eflornithine 75-104 caspase 9 Homo sapiens 212-221 23701543-15 2014 Although roscovitine was less effective in DU145 cells, pre-treatment with alpha-difluoromethylornithine (DFMO), an inhibitor of ODC, enhanced the roscovitine-induced apoptotic cell death through the cleavage of caspase-9 and caspase-3. Eflornithine 75-104 caspase 3 Homo sapiens 226-235 23701543-15 2014 Although roscovitine was less effective in DU145 cells, pre-treatment with alpha-difluoromethylornithine (DFMO), an inhibitor of ODC, enhanced the roscovitine-induced apoptotic cell death through the cleavage of caspase-9 and caspase-3. Eflornithine 106-110 caspase 9 Homo sapiens 212-221 23701543-15 2014 Although roscovitine was less effective in DU145 cells, pre-treatment with alpha-difluoromethylornithine (DFMO), an inhibitor of ODC, enhanced the roscovitine-induced apoptotic cell death through the cleavage of caspase-9 and caspase-3. Eflornithine 106-110 caspase 3 Homo sapiens 226-235 24260338-0 2013 Inhibiting cycloxygenase and ornithine decarboxylase by diclofenac and alpha-difluoromethylornithine blocks cutaneous SCCs by targeting Akt-ERK axis. Eflornithine 71-100 ornithine decarboxylase, structural 1 Mus musculus 29-52 23737330-7 2014 Locked nucleic acid (LNA) oligonucleotides targeting the seed region of the let-7 family rescued the expression of HMGA2, but not LIN28, in both DFMO-treated and eIF5A1/2 knockdown cultures. Eflornithine 145-149 high mobility group AT-hook 2 Homo sapiens 115-120 25404991-9 2014 An ODC inhibitor, alpha-difluoromethylornithine, abolished the recovery of preconditioning protection mediated by exercise. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 3-6 24260338-0 2013 Inhibiting cycloxygenase and ornithine decarboxylase by diclofenac and alpha-difluoromethylornithine blocks cutaneous SCCs by targeting Akt-ERK axis. Eflornithine 71-100 thymoma viral proto-oncogene 1 Mus musculus 136-139 24260338-0 2013 Inhibiting cycloxygenase and ornithine decarboxylase by diclofenac and alpha-difluoromethylornithine blocks cutaneous SCCs by targeting Akt-ERK axis. Eflornithine 71-100 mitogen-activated protein kinase 1 Mus musculus 140-143 24260338-5 2013 Here, we show that combined blockade of ODC and COX-2 using their potent inhibitors, DFMO and diclofenac respectively abrogates growth of A431 epidermal xenograft tumors in nu/nu mice by more than 90%. Eflornithine 85-89 ornithine decarboxylase, structural 1 Mus musculus 40-43 24260338-5 2013 Here, we show that combined blockade of ODC and COX-2 using their potent inhibitors, DFMO and diclofenac respectively abrogates growth of A431 epidermal xenograft tumors in nu/nu mice by more than 90%. Eflornithine 85-89 cytochrome c oxidase II, mitochondrial Mus musculus 48-53 24260338-12 2013 Akt activation by ODC+COX-2 over-expression was the key player in this regard as Akt inhibition manifested effects similar to those observed by the combined inhibition of ODC+COX-2 whereas forced over-expression of Akt resisted against DFMO+diclofenac treatment. Eflornithine 236-240 thymoma viral proto-oncogene 1 Mus musculus 0-3 24260338-12 2013 Akt activation by ODC+COX-2 over-expression was the key player in this regard as Akt inhibition manifested effects similar to those observed by the combined inhibition of ODC+COX-2 whereas forced over-expression of Akt resisted against DFMO+diclofenac treatment. Eflornithine 236-240 ornithine decarboxylase, structural 1 Mus musculus 18-21 24260338-12 2013 Akt activation by ODC+COX-2 over-expression was the key player in this regard as Akt inhibition manifested effects similar to those observed by the combined inhibition of ODC+COX-2 whereas forced over-expression of Akt resisted against DFMO+diclofenac treatment. Eflornithine 236-240 cytochrome c oxidase II, mitochondrial Mus musculus 22-27 23457004-0 2013 AMXT-1501, a novel polyamine transport inhibitor, synergizes with DFMO in inhibiting neuroblastoma cell proliferation by targeting both ornithine decarboxylase and polyamine transport. Eflornithine 66-70 ornithine decarboxylase 1 Homo sapiens 136-159 23680596-3 2013 We aimed to test the effect of alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, on vascular cell pathophysiology in vitro and in a rat model of carotid arteriotomy-induced (re)stenosis. Eflornithine 31-60 ornithine decarboxylase 1 Rattus norvegicus 85-108 23680596-3 2013 We aimed to test the effect of alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, on vascular cell pathophysiology in vitro and in a rat model of carotid arteriotomy-induced (re)stenosis. Eflornithine 62-66 ornithine decarboxylase 1 Rattus norvegicus 85-108 23457004-4 2013 Alpha-difluoromethylornithine (DFMO), an ODC inhibitor, is currently being used in a Phase I clinical trial for treatment of NB. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 41-44 23457004-4 2013 Alpha-difluoromethylornithine (DFMO), an ODC inhibitor, is currently being used in a Phase I clinical trial for treatment of NB. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 41-44 23457004-7 2013 We propose that inhibiting ODC with DFMO, coupled with polyamine transport inhibition by AMXT-1501 will result in enhanced NB growth inhibition. Eflornithine 36-40 ornithine decarboxylase 1 Homo sapiens 27-30 23771434-5 2013 We hypothesized that unrestrained SAM consumption/regeneration constitutes a futile DFMO-triggered cascade that can steal tetrahydrofolate from thymidylate synthase and thereby diminish thymidine pools. Eflornithine 84-88 thymidylate synthetase Homo sapiens 144-164 23771434-1 2013 UNLABELLED: The ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) is a highly effective chemopreventive agent for colorectal cancer thought to act via polyamine depletion. Eflornithine 50-79 ornithine decarboxylase 1 Homo sapiens 16-39 23771434-1 2013 UNLABELLED: The ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) is a highly effective chemopreventive agent for colorectal cancer thought to act via polyamine depletion. Eflornithine 81-85 ornithine decarboxylase 1 Homo sapiens 16-39 23181218-5 2012 Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Eflornithine 22-45 ornithine decarboxylase, structural 1 Mus musculus 14-18 23440295-0 2013 DFMO/eflornithine inhibits migration and invasion downstream of MYCN and involves p27Kip1 activity in neuroblastoma. Eflornithine 0-4 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 64-68 23440295-0 2013 DFMO/eflornithine inhibits migration and invasion downstream of MYCN and involves p27Kip1 activity in neuroblastoma. Eflornithine 0-4 cyclin dependent kinase inhibitor 1B Homo sapiens 82-89 23440295-0 2013 DFMO/eflornithine inhibits migration and invasion downstream of MYCN and involves p27Kip1 activity in neuroblastoma. Eflornithine 5-17 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 64-68 23440295-0 2013 DFMO/eflornithine inhibits migration and invasion downstream of MYCN and involves p27Kip1 activity in neuroblastoma. Eflornithine 5-17 cyclin dependent kinase inhibitor 1B Homo sapiens 82-89 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 zinc ribbon domain containing 2 Homo sapiens 82-85 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 cyclin dependent kinase inhibitor 1B Homo sapiens 86-90 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 zinc ribbon domain containing 2 Homo sapiens 111-114 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 cyclin dependent kinase inhibitor 1B Homo sapiens 115-119 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 158-162 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 zinc ribbon domain containing 2 Homo sapiens 111-114 23440295-5 2013 DFMO treatment leads to the accumulation of the cyclin-dependent kinase inhibitor p27(Kip1) protein and causes p27(Kip1)/Rb-coupled G(1) cell cycle arrest in MYCN-amplified NB tumor cells through a process that involves p27(Kip1) phosphorylation at residues Ser10 and Thr198. Eflornithine 0-4 cyclin dependent kinase inhibitor 1B Homo sapiens 115-119 23440295-8 2013 DFMO treatments induced MYCN protein downregulation and phosphorylation of Akt/PKB (Ser473) and GSK3-beta (Ser9), and polyamine supplementation alleviated the DFMO-induced effects. Eflornithine 0-4 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 24-28 23440295-8 2013 DFMO treatments induced MYCN protein downregulation and phosphorylation of Akt/PKB (Ser473) and GSK3-beta (Ser9), and polyamine supplementation alleviated the DFMO-induced effects. Eflornithine 0-4 glycogen synthase kinase 3 beta Homo sapiens 96-105 23440295-8 2013 DFMO treatments induced MYCN protein downregulation and phosphorylation of Akt/PKB (Ser473) and GSK3-beta (Ser9), and polyamine supplementation alleviated the DFMO-induced effects. Eflornithine 159-163 glycogen synthase kinase 3 beta Homo sapiens 96-105 23053023-6 2013 The alpha-difluoromethyl ornithine, an irreversible inhibitor of ODC, amplified ethanol toxicity on cell viability, protein level, and DNA synthesis through accentuation of polyamine depletion in proliferating HepaRG cells. Eflornithine 4-34 ornithine decarboxylase 1 Homo sapiens 65-68 23340449-9 2013 Significant metachronous adenoma risk reduction was observed after DFMO+sulindac treatment in dietary polyamine quartiles 1-3 (risk ratio (RR) 0.19; 95% confidence interval (CI) 0.08-0.42; P<0.0001) but not in quartile 4 (RR 1.51; 95% CI 0.53-4.29; P=0.44). Eflornithine 67-71 ribonucleotide reductase catalytic subunit M1 Homo sapiens 225-229 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 ornithine decarboxylase 1 Homo sapiens 14-37 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 DNA methyltransferase 1 Homo sapiens 258-279 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 DNA methyltransferase 1 Homo sapiens 281-285 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 integrin subunit alpha L Homo sapiens 327-332 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 integrin subunit alpha L Homo sapiens 339-344 23418509-2 2013 Inhibition of ornithine decarboxylase, which is required for polyamine synthesis, in Jurkat cells by 3 mM D,L-alpha-difluoromethylornithine hydrochloride (DFMO) significantly decreased spermine and spermidine concentrations and was associated with decreased DNA methyltransferase (Dnmt) activity, enhanced demethylation of the LFA-1 gene (ITGAL) promoter area, and increased CD11a expression. Eflornithine 155-159 integrin subunit alpha L Homo sapiens 375-380 23300995-8 2013 An ODC inhibitor, difluoromethylornithine (DFMO), prevented the proliferation of transformed cells by JAK2 (V617F). Eflornithine 18-41 ornithine decarboxylase, structural 1 Mus musculus 3-6 23300995-8 2013 An ODC inhibitor, difluoromethylornithine (DFMO), prevented the proliferation of transformed cells by JAK2 (V617F). Eflornithine 18-41 Janus kinase 2 Mus musculus 102-106 23300995-8 2013 An ODC inhibitor, difluoromethylornithine (DFMO), prevented the proliferation of transformed cells by JAK2 (V617F). Eflornithine 43-47 ornithine decarboxylase, structural 1 Mus musculus 3-6 23300995-8 2013 An ODC inhibitor, difluoromethylornithine (DFMO), prevented the proliferation of transformed cells by JAK2 (V617F). Eflornithine 43-47 Janus kinase 2 Mus musculus 102-106 23300995-9 2013 Importantly, administration of DFMO effectively delayed tumor formation in nude mice inoculated with transformed cells by JAK2 (V617F), resulting in prolonged survival; therefore, ODC expression through c-Myc is a critical step for JAK2 (V617F)-induced transformation and DFMO could be used as effective therapy for MPNs. Eflornithine 31-35 Janus kinase 2 Mus musculus 122-126 23300995-9 2013 Importantly, administration of DFMO effectively delayed tumor formation in nude mice inoculated with transformed cells by JAK2 (V617F), resulting in prolonged survival; therefore, ODC expression through c-Myc is a critical step for JAK2 (V617F)-induced transformation and DFMO could be used as effective therapy for MPNs. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 180-183 23300995-9 2013 Importantly, administration of DFMO effectively delayed tumor formation in nude mice inoculated with transformed cells by JAK2 (V617F), resulting in prolonged survival; therefore, ODC expression through c-Myc is a critical step for JAK2 (V617F)-induced transformation and DFMO could be used as effective therapy for MPNs. Eflornithine 31-35 Janus kinase 2 Mus musculus 232-236 23300995-9 2013 Importantly, administration of DFMO effectively delayed tumor formation in nude mice inoculated with transformed cells by JAK2 (V617F), resulting in prolonged survival; therefore, ODC expression through c-Myc is a critical step for JAK2 (V617F)-induced transformation and DFMO could be used as effective therapy for MPNs. Eflornithine 272-276 ornithine decarboxylase, structural 1 Mus musculus 180-183 23181218-5 2012 Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Eflornithine 22-45 v-myc avian myelocytomatosis viral related oncogene, neuroblastoma derived Mus musculus 86-90 23181218-5 2012 Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Eflornithine 47-51 ornithine decarboxylase, structural 1 Mus musculus 14-18 23181218-5 2012 Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Eflornithine 47-51 v-myc avian myelocytomatosis viral related oncogene, neuroblastoma derived Mus musculus 86-90 23181218-5 2012 Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Eflornithine 47-51 v-myc avian myelocytomatosis viral related oncogene, neuroblastoma derived Mus musculus 216-220 22555848-5 2012 In contrast, depletion of cellular polyamines by inhibiting ornithine decarboxylase with alpha-difluoromethylornithine increased cytoplasmic eukaryotic initiation factor 3b and TIA-1 related protein abundance and enhanced arsenite-induced SG assembly. Eflornithine 89-118 ornithine decarboxylase 1 Homo sapiens 60-83 23418509-3 2013 Supplementation with extracellular spermine (500 microM) of cells pretreated with DFMO significantly increased polyamine concentrations, increased Dnmt activity, enhanced methylation of the ITGAL promoter, and decreased CD11a expression. Eflornithine 82-86 DNA methyltransferase 1 Homo sapiens 147-151 23418509-3 2013 Supplementation with extracellular spermine (500 microM) of cells pretreated with DFMO significantly increased polyamine concentrations, increased Dnmt activity, enhanced methylation of the ITGAL promoter, and decreased CD11a expression. Eflornithine 82-86 integrin subunit alpha L Homo sapiens 190-195 23418509-3 2013 Supplementation with extracellular spermine (500 microM) of cells pretreated with DFMO significantly increased polyamine concentrations, increased Dnmt activity, enhanced methylation of the ITGAL promoter, and decreased CD11a expression. Eflornithine 82-86 integrin subunit alpha L Homo sapiens 220-225 22555848-5 2012 In contrast, depletion of cellular polyamines by inhibiting ornithine decarboxylase with alpha-difluoromethylornithine increased cytoplasmic eukaryotic initiation factor 3b and TIA-1 related protein abundance and enhanced arsenite-induced SG assembly. Eflornithine 89-118 TIA1 cytotoxic granule associated RNA binding protein Homo sapiens 177-182 21809075-7 2012 Transient silencing of ornithine decarboxylase, polyamine biosynthesis enzyme and special target of DFMO also increased roscovitine-induced apoptosis in HCT116 cells. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 23-46 22132744-7 2012 In the present paper we report the synergistic effects of specific oligoamines in combination with DFMO (2-difluoromethylornithine), an inhibitor of ornithine decarboxylase, in human colorectal cancer cells. Eflornithine 99-103 ornithine decarboxylase 1 Homo sapiens 149-172 22132744-7 2012 In the present paper we report the synergistic effects of specific oligoamines in combination with DFMO (2-difluoromethylornithine), an inhibitor of ornithine decarboxylase, in human colorectal cancer cells. Eflornithine 105-130 ornithine decarboxylase 1 Homo sapiens 149-172 22132744-9 2012 The combination of oligoamines and DFMO results in a synergistic re-expression of aberrantly silenced tumour-suppressor genes, including SFRP2 (secreted frizzled-related protein 2), which encodes a Wnt signalling pathway antagonist and plays an anti-tumorigenic role in colorectal cancer. Eflornithine 35-39 secreted frizzled related protein 2 Homo sapiens 137-142 22132744-9 2012 The combination of oligoamines and DFMO results in a synergistic re-expression of aberrantly silenced tumour-suppressor genes, including SFRP2 (secreted frizzled-related protein 2), which encodes a Wnt signalling pathway antagonist and plays an anti-tumorigenic role in colorectal cancer. Eflornithine 35-39 secreted frizzled related protein 2 Homo sapiens 144-179 22309684-1 2012 Despite the fact that eflornithine was considered as the safer drug to treat human African trypanosomiasis (HAT) and has been freely available since 2001, the difficulties in logistics and cost burden associated with this drug meant that the toxic melarsoprol remained the drug of choice. Eflornithine 22-34 transmembrane serine protease 11D Homo sapiens 108-111 22344475-3 2012 alpha-difluoromethylornithine (DFMO) is the ODC inhibitor, which has been shown to act as an antiproliferative agent in human cancer cells by irreversibly inhibiting ODC, which is overexpressed in breast cancer cells. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 44-47 22344475-3 2012 alpha-difluoromethylornithine (DFMO) is the ODC inhibitor, which has been shown to act as an antiproliferative agent in human cancer cells by irreversibly inhibiting ODC, which is overexpressed in breast cancer cells. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 166-169 22344475-3 2012 alpha-difluoromethylornithine (DFMO) is the ODC inhibitor, which has been shown to act as an antiproliferative agent in human cancer cells by irreversibly inhibiting ODC, which is overexpressed in breast cancer cells. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 44-47 22344475-3 2012 alpha-difluoromethylornithine (DFMO) is the ODC inhibitor, which has been shown to act as an antiproliferative agent in human cancer cells by irreversibly inhibiting ODC, which is overexpressed in breast cancer cells. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 166-169 22344475-12 2012 The ODC specific inhibitor, DFMO, altered the apoptotic effects of ROSC by increasing the generation of reactive oxygen species, decreasing the PA intracellular pool and modulating pro-apoptotic and anti-apoptotic Bcl-2 family members. Eflornithine 28-32 ornithine decarboxylase 1 Homo sapiens 4-7 22344475-12 2012 The ODC specific inhibitor, DFMO, altered the apoptotic effects of ROSC by increasing the generation of reactive oxygen species, decreasing the PA intracellular pool and modulating pro-apoptotic and anti-apoptotic Bcl-2 family members. Eflornithine 28-32 BCL2 apoptosis regulator Homo sapiens 214-219 22421154-7 2012 Ribonuclease activity is enhanced in cytoplasmic extracts of HCT116 (p53+/+) cells exposed to gamma-irradiation or treated by the non-genotoxic drug AS101 but decreased following treatment by genotoxic (e.g., doxorubicin) or non-genotoxic (e.g., DFMO) agents, thus indicating that p53 exonuclease activity is dependent on the specific stress and nature of the substrate. Eflornithine 246-250 tumor protein p53 Homo sapiens 69-72 21861168-3 2012 Here, we report the ability of novel mono-methylated spermidine analogs (alpha-MeSpd, beta-MeSpd, gamma-MeSpd, and omega-MeSpd) to function in the hypusination of eIF5A and in supporting the growth of DFMO-treated DU145 cells. Eflornithine 201-205 eukaryotic translation initiation factor 5A Homo sapiens 163-168 21809076-2 2012 Alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC) a limiting enzyme of polyamine biosynthesis, depleted the cellular polyamines and prevented triglyceride accumulation and differentiation in 3T3-L1 cells. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 54-77 21809076-2 2012 Alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC) a limiting enzyme of polyamine biosynthesis, depleted the cellular polyamines and prevented triglyceride accumulation and differentiation in 3T3-L1 cells. Eflornithine 0-29 ornithine decarboxylase, structural 1 Mus musculus 79-82 21809076-2 2012 Alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC) a limiting enzyme of polyamine biosynthesis, depleted the cellular polyamines and prevented triglyceride accumulation and differentiation in 3T3-L1 cells. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 54-77 21809076-2 2012 Alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase (ODC) a limiting enzyme of polyamine biosynthesis, depleted the cellular polyamines and prevented triglyceride accumulation and differentiation in 3T3-L1 cells. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 79-82 21730362-6 2011 Treatment with alpha-difluoromethylornithine, a specific inhibitor of ODC activity, normalized the wound response in transgenic mice and decreased wound-induced inflammation if administered from the time of abrasion but not if initiated 4 days following abrasion. Eflornithine 15-44 ornithine decarboxylase, structural 1 Mus musculus 70-73 21861168-8 2012 The long-term growth of DFMO-treated cells correlated with the hypusine modification of eIF5A by intracellular methylated spermidine analogs. Eflornithine 24-28 eukaryotic translation initiation factor 5A Homo sapiens 88-93 21901470-8 2012 Nuclear extracts of cells treated with DFMO + TGF-beta(1) revealed the presence of Snai1 immunopositive bands in a range of molecular weight between 55 and 72 kDa, with additional positive bands detected at MW greater than 170 kDa. Eflornithine 39-43 snail family transcriptional repressor 1 Canis lupus familiaris 83-88 22024160-4 2012 DFMO treatment resulted in approximately 80-90% and 20% of reductions in the putrescine and spermidine levels, respectively, in the four brain regions examined, and a small reduction in agmatine level in the CA2/3, with no effects on spermine, glutamate and gamma-aminobutyrate. Eflornithine 0-4 carbonic anhydrase 2 Rattus norvegicus 208-213 23123718-9 2012 In addition, we found that ODC inhibitor, DL-alpha-difluoromethylornithine (DFMO) prevented the proliferation of the JAK2 V617F mutant-induced transformed cells. Eflornithine 42-74 ornithine decarboxylase, structural 1 Mus musculus 27-30 23123718-9 2012 In addition, we found that ODC inhibitor, DL-alpha-difluoromethylornithine (DFMO) prevented the proliferation of the JAK2 V617F mutant-induced transformed cells. Eflornithine 42-74 Janus kinase 2 Mus musculus 117-121 23123718-9 2012 In addition, we found that ODC inhibitor, DL-alpha-difluoromethylornithine (DFMO) prevented the proliferation of the JAK2 V617F mutant-induced transformed cells. Eflornithine 76-80 ornithine decarboxylase, structural 1 Mus musculus 27-30 23123718-9 2012 In addition, we found that ODC inhibitor, DL-alpha-difluoromethylornithine (DFMO) prevented the proliferation of the JAK2 V617F mutant-induced transformed cells. Eflornithine 76-80 Janus kinase 2 Mus musculus 117-121 22384556-13 2011 When compared with the control group, significantly elevated expression levels of p53 protein and mRNA in cells of the DFMO group were detected after 6-day treatment (P < 0.05). Eflornithine 119-123 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 82-85 22384556-14 2011 When compared with the DFMO group, the expression levels of p53 protein and mRNA were significantly down-regulated in the low dose licorice and the high dose licorice groups (P < 0.05). Eflornithine 23-27 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 60-63 21464038-8 2011 Importantly, P-S/DFMO decreased putrescine and spermidine levels and the expression of Trx-1, TrxR, and cyclooxygenase (COX) 2. Eflornithine 17-21 thioredoxin 1 Mus musculus 87-92 22122775-4 2011 Reports of cardiovascular risks of some NSAIDs and selective COX-2 inhibitors have led to promising studies of lower doses in combination with ursodeoxycholic acid, statin, and difluoromethylornithine. Eflornithine 177-200 prostaglandin-endoperoxide synthase 2 Homo sapiens 61-66 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 26-55 ornithine decarboxylase 1 Rattus norvegicus 5-8 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 26-55 ornithine decarboxylase 1 Rattus norvegicus 80-83 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 26-55 heat shock protein family A (Hsp70) member 1B Rattus norvegicus 124-129 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 26-55 heat shock protein family B (small) member 1 Rattus norvegicus 134-139 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 57-61 ornithine decarboxylase 1 Rattus norvegicus 5-8 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 57-61 ornithine decarboxylase 1 Rattus norvegicus 80-83 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 57-61 heat shock protein family A (Hsp70) member 1B Rattus norvegicus 124-129 21512157-7 2011 When ODC was inhibited by alpha-difluoromethylornithine (DFMO), an irreversible ODC inhibitor, the heat stress induction of Hsp70 and Hsp25 was decreased significantly, even in the presence of glutamine. Eflornithine 57-61 heat shock protein family B (small) member 1 Rattus norvegicus 134-139 21512157-9 2011 However, DFMO dramatically reduced glutamine-dependent HSF-1 binding to an oligonucleotide with heat shock elements (HSE), which was increased by glutamine. Eflornithine 9-13 heat shock transcription factor 1 Rattus norvegicus 55-60 21464038-1 2011 The nonsteroidal anti-inflammatory drug (NSAID) sulindac and the ornithine decarboxylase (ODC) antagonist difluoromethylornithine (DFMO), individually and together, are effective inhibitors of colon carcinogenesis. Eflornithine 106-129 ornithine decarboxylase, structural 1 Mus musculus 65-88 21464038-1 2011 The nonsteroidal anti-inflammatory drug (NSAID) sulindac and the ornithine decarboxylase (ODC) antagonist difluoromethylornithine (DFMO), individually and together, are effective inhibitors of colon carcinogenesis. Eflornithine 106-129 ornithine decarboxylase, structural 1 Mus musculus 90-93 21464038-1 2011 The nonsteroidal anti-inflammatory drug (NSAID) sulindac and the ornithine decarboxylase (ODC) antagonist difluoromethylornithine (DFMO), individually and together, are effective inhibitors of colon carcinogenesis. Eflornithine 131-135 ornithine decarboxylase, structural 1 Mus musculus 65-88 21464038-1 2011 The nonsteroidal anti-inflammatory drug (NSAID) sulindac and the ornithine decarboxylase (ODC) antagonist difluoromethylornithine (DFMO), individually and together, are effective inhibitors of colon carcinogenesis. Eflornithine 131-135 ornithine decarboxylase, structural 1 Mus musculus 90-93 21636549-11 2011 DFMO downregulated Kruppel-like factor 5 (KLF5), a transcription factor promoting cell proliferation, and suppressed RFC5 whose protein interacts with proliferating cell nuclear antigen. Eflornithine 0-4 Kruppel like factor 5 Homo sapiens 19-40 21636549-11 2011 DFMO downregulated Kruppel-like factor 5 (KLF5), a transcription factor promoting cell proliferation, and suppressed RFC5 whose protein interacts with proliferating cell nuclear antigen. Eflornithine 0-4 Kruppel like factor 5 Homo sapiens 42-46 21636549-11 2011 DFMO downregulated Kruppel-like factor 5 (KLF5), a transcription factor promoting cell proliferation, and suppressed RFC5 whose protein interacts with proliferating cell nuclear antigen. Eflornithine 0-4 replication factor C subunit 5 Homo sapiens 117-121 21237263-5 2011 Inhibiting ODC by co-injecting DFMO decreased LPS-induced CCL2 expression and macrophage influx into the CNS, without altering LPS-induced microglial or macrophage activation. Eflornithine 31-35 ornithine decarboxylase, structural 1 Mus musculus 11-14 21237263-5 2011 Inhibiting ODC by co-injecting DFMO decreased LPS-induced CCL2 expression and macrophage influx into the CNS, without altering LPS-induced microglial or macrophage activation. Eflornithine 31-35 chemokine (C-C motif) ligand 2 Mus musculus 58-62 21570380-5 2011 Administration of the selective ODC inhibitor DFMO (10 mumol/paw) attenuated the development of allodynia and edema and decreased ODC activity in both control and CFA-treated animals. Eflornithine 46-50 ornithine decarboxylase 1 Homo sapiens 32-35 21570380-5 2011 Administration of the selective ODC inhibitor DFMO (10 mumol/paw) attenuated the development of allodynia and edema and decreased ODC activity in both control and CFA-treated animals. Eflornithine 46-50 ornithine decarboxylase 1 Homo sapiens 130-133 21639123-5 2011 All the analogs induced the splicing of the productive mRNA splice variant of SSAT, overcame growth arrest induced by 72-h treatment with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine, and were transported via the polyamine transporter. Eflornithine 178-207 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 78-82 21639123-5 2011 All the analogs induced the splicing of the productive mRNA splice variant of SSAT, overcame growth arrest induced by 72-h treatment with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine, and were transported via the polyamine transporter. Eflornithine 178-207 ornithine decarboxylase 1 Homo sapiens 138-161 21639123-5 2011 All the analogs induced the splicing of the productive mRNA splice variant of SSAT, overcame growth arrest induced by 72-h treatment with ornithine decarboxylase (ODC) inhibitor alpha-difluoromethylornithine, and were transported via the polyamine transporter. Eflornithine 178-207 ornithine decarboxylase 1 Homo sapiens 163-166 21505150-7 2011 Inhibition of ODC activity in C(2)C(12) myoblasts by alpha-difluoromethylornithine decreases myoblast number by 40% and 66% following 48 and 72 h of treatment, respectively. Eflornithine 53-82 ornithine decarboxylase, structural 1 Mus musculus 14-17 21464038-8 2011 Importantly, P-S/DFMO decreased putrescine and spermidine levels and the expression of Trx-1, TrxR, and cyclooxygenase (COX) 2. Eflornithine 17-21 peroxiredoxin 2 Mus musculus 94-98 21464038-8 2011 Importantly, P-S/DFMO decreased putrescine and spermidine levels and the expression of Trx-1, TrxR, and cyclooxygenase (COX) 2. Eflornithine 17-21 cytochrome c oxidase II, mitochondrial Mus musculus 104-126 21464038-11 2011 P-S/DFMO has an intricate mechanism of action extending beyond polyamines and including the thioredoxin system, an emerging regulator of chemoprevention. Eflornithine 4-8 thioredoxin 1 Mus musculus 92-103 20844550-7 2011 The specific ODC inhibitor, alpha-difluoromethylornithine, abrogated all suppressive effects of ODC in CHS reactions. Eflornithine 28-57 ornithine decarboxylase, structural 1 Mus musculus 13-16 20835736-6 2011 This effect was prevented in the presence of alpha-difluoromethylornithine, an irreversible inhibitor of ODC. Eflornithine 45-74 ornithine decarboxylase 1 Homo sapiens 105-108 20844550-7 2011 The specific ODC inhibitor, alpha-difluoromethylornithine, abrogated all suppressive effects of ODC in CHS reactions. Eflornithine 28-57 ornithine decarboxylase, structural 1 Mus musculus 96-99 20406645-8 2010 Phytomonas ODC required pyridoxal 5"-phosphate for maximum activity and was specifically inhibited by alpha-difluoromethylornithine. Eflornithine 102-131 ornithine decarboxylase 1 Homo sapiens 11-14 21253788-4 2011 A clinical trial of difluoromethylornithine (DFMO), a selective inhibitor of polyamine synthesis, showed that the 1 year treatment duration reduced prostate volume and serum prostate-specific antigen doubling time in men with a family history of prostate cancer. Eflornithine 20-43 kallikrein related peptidase 3 Homo sapiens 174-199 21253788-4 2011 A clinical trial of difluoromethylornithine (DFMO), a selective inhibitor of polyamine synthesis, showed that the 1 year treatment duration reduced prostate volume and serum prostate-specific antigen doubling time in men with a family history of prostate cancer. Eflornithine 45-49 kallikrein related peptidase 3 Homo sapiens 174-199 20838207-7 2010 By contrast, DFMO slightly increased the CD44+CD24- subpopulation, increased cell motility and the level of mesenchymal-related proteins. Eflornithine 13-17 CD44 molecule (Indian blood group) Homo sapiens 41-45 20838207-7 2010 By contrast, DFMO slightly increased the CD44+CD24- subpopulation, increased cell motility and the level of mesenchymal-related proteins. Eflornithine 13-17 CD24 molecule Homo sapiens 46-50 20838207-9 2010 Both PG11047 and DFMO reduced the expression of the human epidermal growth factor receptor 2 protein, which is correlated to malignancy and resistance to trastuzumab in JIMT-1 cells. Eflornithine 17-21 erb-b2 receptor tyrosine kinase 2 Homo sapiens 58-92 20937024-10 2010 Genistein, alpha-difluoromethylornithine, toremifene, R-flurbiprofen, celecoxib, and green tea polyphenols have been shown to prevent prostate cancer development in TRAMP mice. Eflornithine 11-40 tumor necrosis factor receptor superfamily, member 25 Mus musculus 165-170 21151498-6 2010 Further, depletion of polyamines by culturing BMMCs with alpha-difluoromethylornithine (DFMO) caused aberrant secretory granule ultrastructure, impaired histamine storage, reduced serotonin levels and increased beta-hexosaminidase content. Eflornithine 57-86 O-GlcNAcase Mus musculus 211-230 21151498-6 2010 Further, depletion of polyamines by culturing BMMCs with alpha-difluoromethylornithine (DFMO) caused aberrant secretory granule ultrastructure, impaired histamine storage, reduced serotonin levels and increased beta-hexosaminidase content. Eflornithine 88-92 O-GlcNAcase Mus musculus 211-230 20627873-11 2010 Similar to sulindac, OXT-922 enhanced spermidine/spermine N(1)-acetyltransferase activity, reduced the cellular polyamine content and synergized with difluoromethylornithine to inhibit cancer cell proliferation and induce apoptosis. Eflornithine 150-173 oxytocin/neurophysin I prepropeptide Homo sapiens 21-24 20600019-7 2010 The ODC inhibitor, alpha-difluoromethylornithine, was administered to H pylori-infected mice for 4 months after inoculation. Eflornithine 19-48 ornithine decarboxylase, structural 1 Mus musculus 4-7 20600019-12 2010 alpha-Difluoromethylornithine treatment of infected mice restored L-Arg uptake, iNOS protein expression, and NO production in gastric macrophages, and significantly reduced both H pylori colonization levels and gastritis severity. Eflornithine 0-29 nitric oxide synthase 2, inducible Mus musculus 80-84 20594968-2 2010 Targeted inhibition of ornithine decarboxylase (ODC), i.e. a key enzyme of polyamine biosynthesis, by alpha-difluoromethylornithine (DFMO) has shown anti-neoplastic activity in various experimental models. Eflornithine 102-131 ornithine decarboxylase 1 Homo sapiens 23-46 20594968-2 2010 Targeted inhibition of ornithine decarboxylase (ODC), i.e. a key enzyme of polyamine biosynthesis, by alpha-difluoromethylornithine (DFMO) has shown anti-neoplastic activity in various experimental models. Eflornithine 102-131 ornithine decarboxylase 1 Homo sapiens 48-51 20594968-2 2010 Targeted inhibition of ornithine decarboxylase (ODC), i.e. a key enzyme of polyamine biosynthesis, by alpha-difluoromethylornithine (DFMO) has shown anti-neoplastic activity in various experimental models. Eflornithine 133-137 ornithine decarboxylase 1 Homo sapiens 23-46 20594968-2 2010 Targeted inhibition of ornithine decarboxylase (ODC), i.e. a key enzyme of polyamine biosynthesis, by alpha-difluoromethylornithine (DFMO) has shown anti-neoplastic activity in various experimental models. Eflornithine 133-137 ornithine decarboxylase 1 Homo sapiens 48-51 20594968-5 2010 DFMO-mediated ODC inhibition was reversed by extracellular polyamine supplementation, showing that anti-angiogenic effects of DFMO were specifically related to polyamine levels. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 14-17 20594968-5 2010 DFMO-mediated ODC inhibition was reversed by extracellular polyamine supplementation, showing that anti-angiogenic effects of DFMO were specifically related to polyamine levels. Eflornithine 126-130 ornithine decarboxylase 1 Homo sapiens 14-17 20594968-7 2010 Moreover, our data suggest that de-regulated actin cytoskeleton dynamics in DFMO treated endothelial cells may be related to constitutive activation of the small GTPase CDC42, i.e. a well-known regulator of cell motility and actin cytoskeleton remodeling. Eflornithine 76-80 cell division cycle 42 Homo sapiens 169-174 20629736-3 2010 Indeed, growing (anagen) HFs show the highest activity of ornithine decarboxylase (ODC), the rate-limiting enzyme of polyamine biosynthesis, while inhibition of ODC, using eflornithine, results in a decreased rate of excessive facial hair growth in vivo and inhibits human scalp hair growth in organ culture. Eflornithine 172-184 ornithine decarboxylase 1 Homo sapiens 161-164 20522643-9 2010 Knocking down the solute carrier transporter SLC3A2 in HCT116-derived Hkh2 cells reduced the accumulation of exogenous putrescine and total polyamine contents in DFMO treated cells, relative to non-DFMO-treated cells. Eflornithine 162-166 solute carrier family 3 (activators of dibasic and neutral amino acid transport), member 2 Mus musculus 45-51 20522643-9 2010 Knocking down the solute carrier transporter SLC3A2 in HCT116-derived Hkh2 cells reduced the accumulation of exogenous putrescine and total polyamine contents in DFMO treated cells, relative to non-DFMO-treated cells. Eflornithine 198-202 solute carrier family 3 (activators of dibasic and neutral amino acid transport), member 2 Mus musculus 45-51 20651378-4 2010 RESULTS: Significant increases in apoptosis, MMP-9 and uPA (tumor) were observed in 7 patients >or=50 years who received DFMO for >or=14 days relative to patients <50 years and/or who received <14 days of treatment (n=11). Eflornithine 124-128 matrix metallopeptidase 9 Homo sapiens 45-50 20219382-8 2010 alpha-Diflouromethylornithine (DFMO) was synthesized by Merrell-Dow and became a potent inhibitor of ornithine decarboxylase. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 101-124 20651378-4 2010 RESULTS: Significant increases in apoptosis, MMP-9 and uPA (tumor) were observed in 7 patients >or=50 years who received DFMO for >or=14 days relative to patients <50 years and/or who received <14 days of treatment (n=11). Eflornithine 124-128 plasminogen activator, urokinase Homo sapiens 55-58 19538475-5 2010 Polyamine depletion caused by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented adipocyte differentiation by suppressing the expression of its key regulators, peroxisome proliferator-activated receptor gamma and CCAAT/enhancer binding protein alpha. Eflornithine 30-59 ornithine decarboxylase 1 Homo sapiens 97-120 19538475-5 2010 Polyamine depletion caused by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented adipocyte differentiation by suppressing the expression of its key regulators, peroxisome proliferator-activated receptor gamma and CCAAT/enhancer binding protein alpha. Eflornithine 30-59 peroxisome proliferator activated receptor gamma Homo sapiens 211-300 19538475-5 2010 Polyamine depletion caused by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented adipocyte differentiation by suppressing the expression of its key regulators, peroxisome proliferator-activated receptor gamma and CCAAT/enhancer binding protein alpha. Eflornithine 61-65 ornithine decarboxylase 1 Homo sapiens 97-120 19538475-5 2010 Polyamine depletion caused by alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, prevented adipocyte differentiation by suppressing the expression of its key regulators, peroxisome proliferator-activated receptor gamma and CCAAT/enhancer binding protein alpha. Eflornithine 61-65 peroxisome proliferator activated receptor gamma Homo sapiens 211-300 19953281-7 2010 Interestingly, both SpmTrien and Trien were able to partially overcome growth arrest induced by an ODC inhibitor, alpha-difluoromethylornithine, indicating that they are able to mimic some functions of the natural polyamines. Eflornithine 114-143 ornithine decarboxylase 1 Homo sapiens 99-102 21175041-1 2010 The purpose of this study was to synthesize a series of delta-amide derivatives of the antitrypanosomal drug eflornithine (2,5-diamino-2-(difluoromethyl)pentanoic acid hydrochloride, DMFO, CAS 70052-12-9), to determine their physicochemical properties and to assess whether they convert to eflornithine in vivo and if so, whether higher systemic exposure to eflornithine could be achieved by increase intestinal absorption, suggesting an oral treatment to be possible. Eflornithine 109-121 BCAR1 scaffold protein, Cas family member Rattus norvegicus 189-192 20013009-8 2010 Polyamine depletion-by means of alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase-abolished the differentiation process. Eflornithine 32-61 ornithine decarboxylase 1 Rattus norvegicus 92-115 19479373-8 2009 Furthermore the glypican-1 proteoglycan produced in the presence of polyamine synthesis inhibitor, alpha-difluoromethylornithine, was endogenously S-nitrosylated and release of nitric oxide induced deaminative autocleavage of the HS side chains of glypican-1. Eflornithine 99-128 glypican 1 Homo sapiens 16-26 20051367-4 2010 DFMO is an inhibitor of ornithine decarboxylase, a key enzyme in the polyamine biosynthetic pathway. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 24-47 20051371-1 2010 Preclinical studies have shown that the inhibition of ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) and resultant decreases in tissue concentrations of polyamines (putrescine and spermidine) prevents neoplastic developments in many tissue types. Eflornithine 87-116 ornithine decarboxylase 1 Homo sapiens 54-77 20051371-1 2010 Preclinical studies have shown that the inhibition of ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) and resultant decreases in tissue concentrations of polyamines (putrescine and spermidine) prevents neoplastic developments in many tissue types. Eflornithine 87-116 ornithine decarboxylase 1 Homo sapiens 79-82 20051371-1 2010 Preclinical studies have shown that the inhibition of ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) and resultant decreases in tissue concentrations of polyamines (putrescine and spermidine) prevents neoplastic developments in many tissue types. Eflornithine 118-122 ornithine decarboxylase 1 Homo sapiens 54-77 20051371-1 2010 Preclinical studies have shown that the inhibition of ornithine decarboxylase (ODC) by alpha-difluoromethylornithine (DFMO) and resultant decreases in tissue concentrations of polyamines (putrescine and spermidine) prevents neoplastic developments in many tissue types. Eflornithine 118-122 ornithine decarboxylase 1 Homo sapiens 79-82 20051371-2 2010 Clinical studies of oral DFMO at 500 mg/m(2)/day revealed it to be safe and tolerable and resulted in significant inhibition of phorbol ester-induced skin ODC activity. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 155-158 19479373-8 2009 Furthermore the glypican-1 proteoglycan produced in the presence of polyamine synthesis inhibitor, alpha-difluoromethylornithine, was endogenously S-nitrosylated and release of nitric oxide induced deaminative autocleavage of the HS side chains of glypican-1. Eflornithine 99-128 glypican 1 Homo sapiens 248-258 19427401-3 2009 Polyamine deficiency was induced by adding an inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine, to the medium. Eflornithine 84-113 ornithine decarboxylase, structural 1 Mus musculus 59-82 20095973-3 2009 Preclinical studies have demonstrated that DFMO (difluoromethylornithine), an irreversible inhibitor of ODC (ornithine decarboxylase) which is the first enzyme in polyamine biosynthesis, combined with NSAIDs (non-steroidal anti-inflammatory drugs) suppresses colorectal carcinogenesis in murine models. Eflornithine 43-47 ornithine decarboxylase, structural 1 Mus musculus 104-107 20095973-3 2009 Preclinical studies have demonstrated that DFMO (difluoromethylornithine), an irreversible inhibitor of ODC (ornithine decarboxylase) which is the first enzyme in polyamine biosynthesis, combined with NSAIDs (non-steroidal anti-inflammatory drugs) suppresses colorectal carcinogenesis in murine models. Eflornithine 43-47 ornithine decarboxylase, structural 1 Mus musculus 109-132 20095973-3 2009 Preclinical studies have demonstrated that DFMO (difluoromethylornithine), an irreversible inhibitor of ODC (ornithine decarboxylase) which is the first enzyme in polyamine biosynthesis, combined with NSAIDs (non-steroidal anti-inflammatory drugs) suppresses colorectal carcinogenesis in murine models. Eflornithine 49-72 ornithine decarboxylase, structural 1 Mus musculus 104-107 20095973-3 2009 Preclinical studies have demonstrated that DFMO (difluoromethylornithine), an irreversible inhibitor of ODC (ornithine decarboxylase) which is the first enzyme in polyamine biosynthesis, combined with NSAIDs (non-steroidal anti-inflammatory drugs) suppresses colorectal carcinogenesis in murine models. Eflornithine 49-72 ornithine decarboxylase, structural 1 Mus musculus 109-132 20095973-4 2009 The preclinical rationale for combination chemoprevention with DFMO and the NSAID sulindac, was strengthened by the observation that a SNP (single nucleotide polymorphism) in the ODC promoter was prognostic for adenoma recurrence in patients with prior sporadic colon polyps and predicted reduced risk of adenoma in those patients taking aspirin. Eflornithine 63-67 ornithine decarboxylase 1 Homo sapiens 179-182 19136059-10 2009 Inhibition of ornithine decarboxylase (ODC) with alpha-difluromethylornithine (DFMO) and subsequent depletion of intracellular polyamines increased p53 protein, Mdm2 Ser166 phosphorylation and conferred resistance to CPT-induced apoptosis. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 14-37 19562674-6 2009 alpha-Difluoromethylornithine (DFMO)-induced polyamine depletion resulted in an upregulation of histidine decarboxylase (HDC, the histamine-synthesizing enzyme) expression and activity, accompanied by increased histamine levels, specifically during early stages of these cell cultures, where an active histamine synthesis process occurs. Eflornithine 0-29 histidine decarboxylase Mus musculus 96-119 19562674-6 2009 alpha-Difluoromethylornithine (DFMO)-induced polyamine depletion resulted in an upregulation of histidine decarboxylase (HDC, the histamine-synthesizing enzyme) expression and activity, accompanied by increased histamine levels, specifically during early stages of these cell cultures, where an active histamine synthesis process occurs. Eflornithine 0-29 histidine decarboxylase Mus musculus 121-124 19562674-6 2009 alpha-Difluoromethylornithine (DFMO)-induced polyamine depletion resulted in an upregulation of histidine decarboxylase (HDC, the histamine-synthesizing enzyme) expression and activity, accompanied by increased histamine levels, specifically during early stages of these cell cultures, where an active histamine synthesis process occurs. Eflornithine 31-35 histidine decarboxylase Mus musculus 96-119 19562674-6 2009 alpha-Difluoromethylornithine (DFMO)-induced polyamine depletion resulted in an upregulation of histidine decarboxylase (HDC, the histamine-synthesizing enzyme) expression and activity, accompanied by increased histamine levels, specifically during early stages of these cell cultures, where an active histamine synthesis process occurs. Eflornithine 31-35 histidine decarboxylase Mus musculus 121-124 19562674-8 2009 Sequence-specific DNA methylation analysis revealed that the DFMO-induced HDC mRNA upregulation observed in early bone marrow cell cultures is not attributable to a demethylation of the gene promoter caused by the pharmacological polyamine depletion. Eflornithine 61-65 histidine decarboxylase Mus musculus 74-77 19348875-8 2009 DFMO treatment at both doses resulted in an 80%-90% reduction of putrescine level in the CA1, CA2/3 and dentate gyrus (DG) sub-regions of the hippocampus and the prefrontal cortex with minimal effects on the spermidine and spermine levels. Eflornithine 0-4 carbonic anhydrase 1 Rattus norvegicus 89-92 19348875-8 2009 DFMO treatment at both doses resulted in an 80%-90% reduction of putrescine level in the CA1, CA2/3 and dentate gyrus (DG) sub-regions of the hippocampus and the prefrontal cortex with minimal effects on the spermidine and spermine levels. Eflornithine 0-4 carbonic anhydrase 2 Rattus norvegicus 94-97 19136059-10 2009 Inhibition of ornithine decarboxylase (ODC) with alpha-difluromethylornithine (DFMO) and subsequent depletion of intracellular polyamines increased p53 protein, Mdm2 Ser166 phosphorylation and conferred resistance to CPT-induced apoptosis. Eflornithine 79-83 ornithine decarboxylase 1 Rattus norvegicus 39-42 19136059-10 2009 Inhibition of ornithine decarboxylase (ODC) with alpha-difluromethylornithine (DFMO) and subsequent depletion of intracellular polyamines increased p53 protein, Mdm2 Ser166 phosphorylation and conferred resistance to CPT-induced apoptosis. Eflornithine 79-83 MDM2 proto-oncogene Rattus norvegicus 161-165 20524478-12 2009 DFMO can thus be employed for anti-neoplastic clinical trials on account of interference with activity of ODC (Ornithine Decarboxylase) fundamental for polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 106-109 20524478-12 2009 DFMO can thus be employed for anti-neoplastic clinical trials on account of interference with activity of ODC (Ornithine Decarboxylase) fundamental for polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 111-134 19047162-0 2008 Ornithine decarboxylase inhibition by alpha-difluoromethylornithine activates opposing signaling pathways via phosphorylation of both Akt/protein kinase B and p27Kip1 in neuroblastoma. Eflornithine 38-67 ornithine decarboxylase 1 Homo sapiens 0-23 18368465-7 2009 The ODC inhibitor DFMO (1-10 mM) reduced polyamine concentration and attenuated proliferation in A7r5 cells and rat tail artery. Eflornithine 18-22 ornithine decarboxylase 1 Rattus norvegicus 4-7 19001365-0 2009 Spermine synthase deficiency leads to deafness and a profound sensitivity to alpha-difluoromethylornithine. Eflornithine 77-106 spermine synthase Mus musculus 0-17 19001365-5 2009 Gy mice showed a striking toxic response to treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 97-126 ornithine decarboxylase, structural 1 Mus musculus 63-86 19001365-5 2009 Gy mice showed a striking toxic response to treatment with the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 128-132 ornithine decarboxylase, structural 1 Mus musculus 63-86 19055734-10 2008 alpha-difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, partially protected hypoxic flies from amino acid toxicity but not from polyamine toxicity. Eflornithine 0-29 Ornithine decarboxylase 1 Drosophila melanogaster 55-78 19047152-7 2008 The Odc inhibitor alpha-difluoromethylornithine (DFMO) inhibited neuroblast proliferation in vitro and suppressed oncogenesis in vivo. Eflornithine 18-47 ornithine decarboxylase, structural 1 Mus musculus 4-7 19047152-7 2008 The Odc inhibitor alpha-difluoromethylornithine (DFMO) inhibited neuroblast proliferation in vitro and suppressed oncogenesis in vivo. Eflornithine 49-53 ornithine decarboxylase, structural 1 Mus musculus 4-7 19047152-8 2008 DFMO treatment of neuroblastoma-prone genetically engineered mice (TH-MYCN) extended tumor latency and survival in homozygous mice and prevented oncogenesis in hemizygous mice. Eflornithine 0-4 v-myc avian myelocytomatosis viral related oncogene, neuroblastoma derived Mus musculus 70-74 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 59-88 ornithine decarboxylase, structural 1 Mus musculus 37-40 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 59-88 myelocytomatosis oncogene Mus musculus 166-169 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 59-88 cyclin-dependent kinase inhibitor 1B Mus musculus 280-283 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 59-88 cyclin-dependent kinase inhibitor 1B Mus musculus 284-288 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 59-88 myelocytomatosis oncogene Mus musculus 322-325 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 90-94 ornithine decarboxylase, structural 1 Mus musculus 37-40 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 90-94 myelocytomatosis oncogene Mus musculus 166-169 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 90-94 cyclin-dependent kinase inhibitor 1B Mus musculus 280-283 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 90-94 cyclin-dependent kinase inhibitor 1B Mus musculus 284-288 19147568-4 2009 Indeed, sustained treatment with the Odc suicide inhibitor alpha-difluoromethylornithine (DFMO) or Odc heterozygosity markedly impairs lymphoma development in Emicro-Myc transgenic mice, and these effects are linked to the induction of the cyclin-dependent kinase (Cdk) inhibitor p27(Kip1), which is normally repressed by Myc. Eflornithine 90-94 myelocytomatosis oncogene Mus musculus 322-325 19147568-5 2009 Here, we report that DFMO treatment, but not Odc heterozygosity, impairs MYCN-induced neuroblastoma and that, in this malignancy, transient DFMO treatment is sufficient to confer protection. Eflornithine 21-25 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 73-77 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 36-40 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 60-64 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 36-40 MYC proto-oncogene, bHLH transcription factor Homo sapiens 155-158 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 36-40 cyclin dependent kinase inhibitor 1A Homo sapiens 222-225 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 36-40 cyclin dependent kinase inhibitor 1A Homo sapiens 226-230 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 36-40 MYC proto-oncogene, bHLH transcription factor Homo sapiens 275-278 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 187-191 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 60-64 19147568-6 2009 The selective anticancer effects of DFMO on mouse and human MYCN-amplified neuroblastoma also rely on its ability to disable the proliferative response of Myc, yet in this tumor context, DFMO targets the expression of the p21(Cip1) Cdk inhibitor, which is also suppressed by Myc oncoproteins. Eflornithine 187-191 cyclin dependent kinase inhibitor 1A Homo sapiens 222-225 19147568-7 2009 These findings suggest that agents, such as DFMO, that target the polyamine pathway may show efficacy in high-risk, MYCN-amplified neuroblastoma. Eflornithine 44-48 MYCN proto-oncogene, bHLH transcription factor Homo sapiens 116-120 19047162-5 2008 In the present study, we found that the inhibition of ODC by DFMO promotes cell survival by inducing the phosphorylation of Akt/PKB at residue Ser473 and glycogen synthase kinase-3beta at Ser9. Eflornithine 61-65 ornithine decarboxylase 1 Homo sapiens 54-57 19047162-5 2008 In the present study, we found that the inhibition of ODC by DFMO promotes cell survival by inducing the phosphorylation of Akt/PKB at residue Ser473 and glycogen synthase kinase-3beta at Ser9. Eflornithine 61-65 AKT serine/threonine kinase 1 Homo sapiens 124-127 19047162-5 2008 In the present study, we found that the inhibition of ODC by DFMO promotes cell survival by inducing the phosphorylation of Akt/PKB at residue Ser473 and glycogen synthase kinase-3beta at Ser9. Eflornithine 61-65 AKT serine/threonine kinase 1 Homo sapiens 128-131 19047162-5 2008 In the present study, we found that the inhibition of ODC by DFMO promotes cell survival by inducing the phosphorylation of Akt/PKB at residue Ser473 and glycogen synthase kinase-3beta at Ser9. Eflornithine 61-65 glycogen synthase kinase 3 beta Homo sapiens 154-184 19047162-6 2008 Intriguingly, DFMO also induced the phosphorylation of p27Kip1 at residues Ser10 (nuclear export) and Thr198 (protein stabilization) but not Thr187 (proteasomal degradation). Eflornithine 14-18 cyclin dependent kinase inhibitor 1B Homo sapiens 55-62 19047162-8 2008 The data suggest that inhibition of ODC by DFMO induces two opposing pathways in NB: one promoting cell survival by activating Akt/PKB via the PI3K/Akt pathway and one inducing p27Kip1/retinoblastoma-coupled G1 cell cycle arrest via a mechanism that regulates the phosphorylation and stabilization of p27Kip1. Eflornithine 43-47 ornithine decarboxylase 1 Homo sapiens 36-39 19047162-8 2008 The data suggest that inhibition of ODC by DFMO induces two opposing pathways in NB: one promoting cell survival by activating Akt/PKB via the PI3K/Akt pathway and one inducing p27Kip1/retinoblastoma-coupled G1 cell cycle arrest via a mechanism that regulates the phosphorylation and stabilization of p27Kip1. Eflornithine 43-47 AKT serine/threonine kinase 1 Homo sapiens 127-134 19047162-8 2008 The data suggest that inhibition of ODC by DFMO induces two opposing pathways in NB: one promoting cell survival by activating Akt/PKB via the PI3K/Akt pathway and one inducing p27Kip1/retinoblastoma-coupled G1 cell cycle arrest via a mechanism that regulates the phosphorylation and stabilization of p27Kip1. Eflornithine 43-47 AKT serine/threonine kinase 1 Homo sapiens 127-130 19047162-8 2008 The data suggest that inhibition of ODC by DFMO induces two opposing pathways in NB: one promoting cell survival by activating Akt/PKB via the PI3K/Akt pathway and one inducing p27Kip1/retinoblastoma-coupled G1 cell cycle arrest via a mechanism that regulates the phosphorylation and stabilization of p27Kip1. Eflornithine 43-47 cyclin dependent kinase inhibitor 1B Homo sapiens 177-184 19047162-8 2008 The data suggest that inhibition of ODC by DFMO induces two opposing pathways in NB: one promoting cell survival by activating Akt/PKB via the PI3K/Akt pathway and one inducing p27Kip1/retinoblastoma-coupled G1 cell cycle arrest via a mechanism that regulates the phosphorylation and stabilization of p27Kip1. Eflornithine 43-47 cyclin dependent kinase inhibitor 1B Homo sapiens 301-308 19047162-0 2008 Ornithine decarboxylase inhibition by alpha-difluoromethylornithine activates opposing signaling pathways via phosphorylation of both Akt/protein kinase B and p27Kip1 in neuroblastoma. Eflornithine 38-67 AKT serine/threonine kinase 1 Homo sapiens 134-137 19047162-0 2008 Ornithine decarboxylase inhibition by alpha-difluoromethylornithine activates opposing signaling pathways via phosphorylation of both Akt/protein kinase B and p27Kip1 in neuroblastoma. Eflornithine 38-67 protein tyrosine kinase 2 beta Homo sapiens 138-154 19047162-0 2008 Ornithine decarboxylase inhibition by alpha-difluoromethylornithine activates opposing signaling pathways via phosphorylation of both Akt/protein kinase B and p27Kip1 in neuroblastoma. Eflornithine 38-67 cyclin dependent kinase inhibitor 1B Homo sapiens 159-166 19047162-2 2008 We previously showed that treating human neuroblastoma (NB) cells with the ODC inhibitor alpha-difluoromethylornithine (DFMO) depleted polyamine pools and induced G1 cell cycle arrest without causing apoptosis. Eflornithine 89-118 ornithine decarboxylase 1 Homo sapiens 75-78 19047162-2 2008 We previously showed that treating human neuroblastoma (NB) cells with the ODC inhibitor alpha-difluoromethylornithine (DFMO) depleted polyamine pools and induced G1 cell cycle arrest without causing apoptosis. Eflornithine 120-124 ornithine decarboxylase 1 Homo sapiens 75-78 19010902-7 2008 These results were supported by experiments in an in vivo glioma tumor model, showing significantly enhanced antitumor effects of the antiangiogenic, humanized anti-vascular endothelial growth factor (VEGF) antibody bevacizumab when used in combination with the well-established, irreversible inhibitor of ODC, alpha-difluoromethylornithine. Eflornithine 311-340 vascular endothelial growth factor A Homo sapiens 160-199 18755180-9 2008 alpha-Difluoromethylornithine, an inhibitor of ornithine decarboxylase, antagonized the effect of isoproterenol on inotropism and cAMP increase. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 47-70 19010902-7 2008 These results were supported by experiments in an in vivo glioma tumor model, showing significantly enhanced antitumor effects of the antiangiogenic, humanized anti-vascular endothelial growth factor (VEGF) antibody bevacizumab when used in combination with the well-established, irreversible inhibitor of ODC, alpha-difluoromethylornithine. Eflornithine 311-340 vascular endothelial growth factor A Homo sapiens 201-205 18097746-8 2008 Therefore, we tested the effect of DFMO on the HGF/c-Met pathway which is strongly implicated in the progression of human breast cancer. Eflornithine 35-39 hepatocyte growth factor Homo sapiens 47-50 18097746-8 2008 Therefore, we tested the effect of DFMO on the HGF/c-Met pathway which is strongly implicated in the progression of human breast cancer. Eflornithine 35-39 MET proto-oncogene, receptor tyrosine kinase Homo sapiens 51-56 18097746-9 2008 We found that DFMO treatment blocked HGF-induced c-Met phosphorylation in MDA-MB-435 cells, suggesting that its anti-invasion action may be mediated, at least in part, by blocking c-Met signaling. Eflornithine 14-18 hepatocyte growth factor Homo sapiens 37-40 18097746-9 2008 We found that DFMO treatment blocked HGF-induced c-Met phosphorylation in MDA-MB-435 cells, suggesting that its anti-invasion action may be mediated, at least in part, by blocking c-Met signaling. Eflornithine 14-18 MET proto-oncogene, receptor tyrosine kinase Homo sapiens 49-54 18097746-9 2008 We found that DFMO treatment blocked HGF-induced c-Met phosphorylation in MDA-MB-435 cells, suggesting that its anti-invasion action may be mediated, at least in part, by blocking c-Met signaling. Eflornithine 14-18 MET proto-oncogene, receptor tyrosine kinase Homo sapiens 180-185 18097746-10 2008 Next, we showed that 1 mM DFMO suppressed HGF induced invasiveness of MDA-MB-435 cells in matrigel. Eflornithine 26-30 hepatocyte growth factor Homo sapiens 42-45 18097746-11 2008 Combination administration of DFMO with suboptimal doses of PHA-665752, a specific c-Met inhibitor, reduced invasiveness to an even greater extent than the individual treatment. Eflornithine 30-34 MET proto-oncogene, receptor tyrosine kinase Homo sapiens 83-88 18097746-13 2008 Our data also point to inhibition of HGF/c-Met pathway as a possible novel approach to enhancing the antitumor action of DFMO. Eflornithine 121-125 hepatocyte growth factor Homo sapiens 37-40 18097746-13 2008 Our data also point to inhibition of HGF/c-Met pathway as a possible novel approach to enhancing the antitumor action of DFMO. Eflornithine 121-125 MET proto-oncogene, receptor tyrosine kinase Homo sapiens 41-46 18583422-3 2008 Our present results demonstrate that the contragestational effect of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, when given at d 7-9 of pregnancy, is associated with embryo growth arrest and marked alterations in the development of yolk sac and placenta. Eflornithine 69-98 ornithine decarboxylase, structural 1 Mus musculus 130-133 18583422-3 2008 Our present results demonstrate that the contragestational effect of alpha-difluoromethylornithine (DFMO), a suicide inhibitor of ODC, when given at d 7-9 of pregnancy, is associated with embryo growth arrest and marked alterations in the development of yolk sac and placenta. Eflornithine 100-104 ornithine decarboxylase, structural 1 Mus musculus 130-133 18670363-3 2008 This effect was antagonized by an inhibitor of ornithine decarboxylase, alpha-difluoromethylornithine (10 mM), suggesting enzyme activation. Eflornithine 72-101 ornithine decarboxylase 1 Rattus norvegicus 47-70 18240140-3 2008 The percentage of GFP+MSCs showing cardiac myofibril proteins (cMLC2, cTnI) was about threefold higher after DFMO addition (3%) relative to the untreated control (1%). Eflornithine 109-113 troponin I3, cardiac type Rattus norvegicus 70-74 18455248-1 2008 More than 30 years ago the potent ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) was designed as new anticancer drug. Eflornithine 68-91 ornithine decarboxylase 1 Homo sapiens 34-57 18455248-1 2008 More than 30 years ago the potent ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) was designed as new anticancer drug. Eflornithine 93-97 ornithine decarboxylase 1 Homo sapiens 34-57 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 ornithine decarboxylase 1 Homo sapiens 104-127 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 ornithine decarboxylase 1 Homo sapiens 129-132 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 mitogen-activated protein kinase 1 Homo sapiens 349-353 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 signal transducer and activator of transcription 3 Homo sapiens 355-360 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 signal transducer and activator of transcription 1 Homo sapiens 362-367 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 37-66 mitogen-activated protein kinase 8 Homo sapiens 373-376 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 ornithine decarboxylase 1 Homo sapiens 104-127 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 ornithine decarboxylase 1 Homo sapiens 129-132 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 mitogen-activated protein kinase 1 Homo sapiens 349-353 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 signal transducer and activator of transcription 3 Homo sapiens 355-360 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 signal transducer and activator of transcription 1 Homo sapiens 362-367 18097746-1 2008 We have shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis, reduces the invasive and metastatic properties of MDA-MB-435 breast cancer cells while activating multiple signal transduction pathways, including MAPK, Stat3, Stat1, and JNK. Eflornithine 68-72 mitogen-activated protein kinase 8 Homo sapiens 373-376 18202119-7 2008 Embryo implantation was significantly inhibited by alpha-difluoromethylornithine, an Odc inhibitor. Eflornithine 51-80 ornithine decarboxylase, structural 1 Mus musculus 85-88 18202119-8 2008 Moreover, the reduction of Odc activity caused by alpha-difluoromethylornithine treatment was compensated by the up-regulation of S-adenosylmethionine decarboxylase gene expression. Eflornithine 50-79 ornithine decarboxylase, structural 1 Mus musculus 27-30 18381427-5 2008 ATM activation is polyamine dependent because alpha-difluoromethylornithine, a specific inhibitor of ODC activity, blocks its phosphorylation. Eflornithine 46-75 ataxia telangiectasia mutated Mus musculus 0-3 18381427-5 2008 ATM activation is polyamine dependent because alpha-difluoromethylornithine, a specific inhibitor of ODC activity, blocks its phosphorylation. Eflornithine 46-75 ornithine decarboxylase, structural 1 Mus musculus 101-104 18360702-5 2008 Conversely, depletion of intracellular polyamines by the specific ODC-inhibitor alpha-difluoromethylornithine (DFMO) resulted in increased cellular binding of polyamine and anti-HS antibody. Eflornithine 80-109 ornithine decarboxylase 1 Homo sapiens 66-69 18360702-5 2008 Conversely, depletion of intracellular polyamines by the specific ODC-inhibitor alpha-difluoromethylornithine (DFMO) resulted in increased cellular binding of polyamine and anti-HS antibody. Eflornithine 111-115 ornithine decarboxylase 1 Homo sapiens 66-69 18268112-2 2008 Difluoromethylornithine (DFMO) is an antiproliferative agent, inhibiting ornithine decarboxylase, the first enzyme in the polyamine pathway, and has been studied as a therapeutic and chemopreventive agent. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 73-96 18208615-2 2008 DL-alpha-difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, induces G1 arrest through dephosphorylation of retinoblastoma protein (pRb). Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 66-69 18208615-2 2008 DL-alpha-difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, induces G1 arrest through dephosphorylation of retinoblastoma protein (pRb). Eflornithine 0-32 RB transcriptional corepressor 1 Homo sapiens 142-145 18208615-2 2008 DL-alpha-difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, induces G1 arrest through dephosphorylation of retinoblastoma protein (pRb). Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 66-69 18208615-2 2008 DL-alpha-difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, induces G1 arrest through dephosphorylation of retinoblastoma protein (pRb). Eflornithine 34-38 RB transcriptional corepressor 1 Homo sapiens 142-145 18208615-3 2008 The effect of DFMO on cell growth of pRb deficient cells is not known. Eflornithine 14-18 RB transcriptional corepressor 1 Homo sapiens 37-40 18208615-4 2008 We examined the effects of DFMO on pRb deficient human retinoblastoma Y79 cell proliferation and its molecular mechanism. Eflornithine 27-31 RB transcriptional corepressor 1 Homo sapiens 35-38 18208615-7 2008 DFMO induced p27/Kip1 protein expression, p107 dephosphorylation and accumulation of p107/E2F-4 complex in Y79 cells. Eflornithine 0-4 cyclin-dependent kinase inhibitor 1B (p27, Kip1) S homeolog Xenopus laevis 17-21 18208615-7 2008 DFMO induced p27/Kip1 protein expression, p107 dephosphorylation and accumulation of p107/E2F-4 complex in Y79 cells. Eflornithine 0-4 retinoblastoma-like 1 L homeolog Xenopus laevis 42-46 18208615-7 2008 DFMO induced p27/Kip1 protein expression, p107 dephosphorylation and accumulation of p107/E2F-4 complex in Y79 cells. Eflornithine 0-4 retinoblastoma-like 1 L homeolog Xenopus laevis 85-95 18208615-8 2008 CONCLUSION: These results indicate that p107 dephosphorylation and accumulation of p107/E2F-4 complex is involved in G1 and S phase arrest of DFMO treated Y79 cells. Eflornithine 142-146 RB transcriptional corepressor like 1 Homo sapiens 40-44 18208615-8 2008 CONCLUSION: These results indicate that p107 dephosphorylation and accumulation of p107/E2F-4 complex is involved in G1 and S phase arrest of DFMO treated Y79 cells. Eflornithine 142-146 RB transcriptional corepressor like 1 Homo sapiens 83-93 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 66-69 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 71-94 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 101-105 protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens 152-156 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 250-253 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 101-105 protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens 282-286 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 107-140 ornithine decarboxylase 1 Homo sapiens 66-69 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 107-140 ornithine decarboxylase 1 Homo sapiens 71-94 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 107-140 protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens 152-156 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 107-140 ornithine decarboxylase 1 Homo sapiens 250-253 17919121-4 2008 Decreased levels of cellular polyamines as a result of inhibiting ODC (ornithine decarboxylase) with DFMO (D,L-alpha-difluoromethylornithine) repressed AMPK activity and reduced Impalpha1 levels, whereas increased levels of polyamines as a result of ODC overexpression induced both AMPK and Impalpha1 levels. Eflornithine 107-140 protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens 282-286 18235846-9 2008 Difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, had no effect on the recombinant putative ODC from E. histolytica. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 78-81 18235846-10 2008 Comparative modeling of the three-dimensional structure of E. histolytica putative ODC shows that the putative binding site for DFMO is disrupted by the substitution of three amino acids-aspartate-332, aspartate-361, and tyrosine-323-by histidine-296, phenylalanine-305, and asparagine-334, through which this inhibitor interacts with the protein. Eflornithine 128-132 ornithine decarboxylase 1 Homo sapiens 83-86 18235846-14 2008 Computer modeling revealed that three of the critical residues required for binding of DFMO to the ODC enzyme are substituted in E. histolytica, resulting in the likely loss of interactions between the enzyme and DFMO. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 99-102 18235846-14 2008 Computer modeling revealed that three of the critical residues required for binding of DFMO to the ODC enzyme are substituted in E. histolytica, resulting in the likely loss of interactions between the enzyme and DFMO. Eflornithine 213-217 ornithine decarboxylase 1 Homo sapiens 99-102 17333334-1 2008 We have shown that alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, the first and rate-limiting enzyme in polyamine synthesis, has significant antiproliferative and antiinvasive effects in breast cancer cells. Eflornithine 19-48 ornithine decarboxylase 1 Homo sapiens 73-96 17333334-1 2008 We have shown that alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, the first and rate-limiting enzyme in polyamine synthesis, has significant antiproliferative and antiinvasive effects in breast cancer cells. Eflornithine 50-54 ornithine decarboxylase 1 Homo sapiens 73-96 17333334-4 2008 We found that DFMO administration (1 mM) to MDA-MB-435 breast cancer cells significantly increased cAMP response element (CRE)-binding protein (CREB) phosphorylation as well as the transactivation of pCRE-luc, a CREB-dependent promoter activated by PKA. Eflornithine 14-18 cAMP responsive element binding protein 1 Homo sapiens 144-148 17333334-4 2008 We found that DFMO administration (1 mM) to MDA-MB-435 breast cancer cells significantly increased cAMP response element (CRE)-binding protein (CREB) phosphorylation as well as the transactivation of pCRE-luc, a CREB-dependent promoter activated by PKA. Eflornithine 14-18 cAMP responsive element binding protein 1 Homo sapiens 212-216 17333334-5 2008 To determine the significance of this biochemical effect of DFMO, we used the PKA inhibitor H89 which, as expected, suppressed in a dose-dependent manner (1 and 10 microM) basal and DFMO-induced CREB phosphorylation in our system. Eflornithine 60-64 cAMP responsive element binding protein 1 Homo sapiens 195-199 17333334-5 2008 To determine the significance of this biochemical effect of DFMO, we used the PKA inhibitor H89 which, as expected, suppressed in a dose-dependent manner (1 and 10 microM) basal and DFMO-induced CREB phosphorylation in our system. Eflornithine 182-186 cAMP responsive element binding protein 1 Homo sapiens 195-199 17333334-7 2008 At concentrations of 0.5 and 1 muM, H89 treatment, while having no antiproliferative effect of its own, potentiated in a dose-dependent fashion the growth inhibitory action of a suboptimal concentration of DFMO (0.01 mM). Eflornithine 206-210 latexin Homo sapiens 31-34 17333334-10 2008 H89 treatment (10 microM) partially reduced DFMO-induced phosphorylation of STAT-3 but not that of STAT-1, Extracellular regulated kinase (ERK), and JNK. Eflornithine 44-48 signal transducer and activator of transcription 3 Homo sapiens 76-82 17333334-13 2008 Our data are also consistent with the notion that STAT-3 activation by DFMO is at least in part mediated through the PKA pathway. Eflornithine 71-75 signal transducer and activator of transcription 3 Homo sapiens 50-56 17333337-5 2008 In contrast to our previous findings with MDA-MB-435 cells, DFMO did not affect the activation of signal transducers and activator of transcription 3, c-Jun N-terminal kinase, and extracellular signal-regulated kinase, but decreased phosphorylation of p38. Eflornithine 60-64 mitogen-activated protein kinase 14 Homo sapiens 252-255 18268112-9 2008 Stratification by ornithine decarboxylase genotype showed that DFMO reduced prostate volume (P = 0.029) and putrescine levels (P = 0.0053) in the AA + GA group but not in the GG group. Eflornithine 63-67 ornithine decarboxylase 1 Homo sapiens 18-41 17825525-1 2007 Intracellular polyamine synthesis is regulated by the enzyme ornithine decarboxylase (ODC), and its inhibition by alpha-difluromethylornithine (DFMO), confers resistance to apoptosis. Eflornithine 144-148 ornithine decarboxylase 1 Homo sapiens 61-84 17825525-1 2007 Intracellular polyamine synthesis is regulated by the enzyme ornithine decarboxylase (ODC), and its inhibition by alpha-difluromethylornithine (DFMO), confers resistance to apoptosis. Eflornithine 144-148 ornithine decarboxylase 1 Homo sapiens 86-89 17825525-2 2007 We have previously shown that DFMO leads to the inhibition of de novo polyamine synthesis, which in turn rapidly activates Src, STAT3 and NF-kappaB via integrin beta3 in intestinal epithelial cells. Eflornithine 30-34 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 123-126 17825525-2 2007 We have previously shown that DFMO leads to the inhibition of de novo polyamine synthesis, which in turn rapidly activates Src, STAT3 and NF-kappaB via integrin beta3 in intestinal epithelial cells. Eflornithine 30-34 signal transducer and activator of transcription 3 Homo sapiens 128-133 17825525-2 2007 We have previously shown that DFMO leads to the inhibition of de novo polyamine synthesis, which in turn rapidly activates Src, STAT3 and NF-kappaB via integrin beta3 in intestinal epithelial cells. Eflornithine 30-34 nuclear factor kappa B subunit 1 Homo sapiens 138-147 17825525-2 2007 We have previously shown that DFMO leads to the inhibition of de novo polyamine synthesis, which in turn rapidly activates Src, STAT3 and NF-kappaB via integrin beta3 in intestinal epithelial cells. Eflornithine 30-34 integrin subunit beta 3 Homo sapiens 152-166 17825525-5 2007 DFMO increased EGFR phosphorylation on tyrosine residues 1173 (pY1173) and 845 (pY845) within 5 min. Eflornithine 0-4 epidermal growth factor receptor Homo sapiens 15-19 17825525-8 2007 Pretreatment with either DFMO or EGF for 1 h protected cells from TNF-alpha/CHX-induced apoptosis. Eflornithine 25-29 tumor necrosis factor Homo sapiens 66-75 17825525-10 2007 In addition, inhibition of integrin beta3 activity (with RGDS), Src activity (with PP2), or EGFR kinase activity (with AG1478), increased basal apoptosis and prevented protection conferred by either DFMO or EGF. Eflornithine 199-203 integrin subunit beta 3 Homo sapiens 27-41 17825525-10 2007 In addition, inhibition of integrin beta3 activity (with RGDS), Src activity (with PP2), or EGFR kinase activity (with AG1478), increased basal apoptosis and prevented protection conferred by either DFMO or EGF. Eflornithine 199-203 epidermal growth factor receptor Homo sapiens 92-96 18268112-2 2008 Difluoromethylornithine (DFMO) is an antiproliferative agent, inhibiting ornithine decarboxylase, the first enzyme in the polyamine pathway, and has been studied as a therapeutic and chemopreventive agent. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 73-96 17600044-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine decreased levels of TLR2 mRNA and protein, whereas increased polyamines by ectopic overexpression of the ODC gene enhanced TLR2 expression. Eflornithine 82-111 ornithine decarboxylase 1 Homo sapiens 47-70 17582600-9 2007 This study shows that Ab-ODC-Alexa 647 fluorescence intensity can be used as a surrogate marker of ODC biochemical activity in AGs and can predict PFS to DFMO-based chemotherapy. Eflornithine 154-158 ornithine decarboxylase 1 Homo sapiens 25-28 17582600-9 2007 This study shows that Ab-ODC-Alexa 647 fluorescence intensity can be used as a surrogate marker of ODC biochemical activity in AGs and can predict PFS to DFMO-based chemotherapy. Eflornithine 154-158 ornithine decarboxylase 1 Homo sapiens 99-102 17675337-6 2007 In addition, treatment of tumor-bearing K6-SSAT mice with the ODC inhibitor, alpha-difluoromethylornithine, resulted in the complete regression of established tumors. Eflornithine 77-106 ornithine decarboxylase, structural 1 Mus musculus 62-65 17912446-0 2007 Effects of alpha-difluoromethylornithine on thrombospondin-1 production by human breast cancer cells. Eflornithine 11-40 thrombospondin 1 Homo sapiens 44-60 17912446-1 2007 We have previously observed that inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) upregulates production of thrombospondin-1 (TSP-1), an extracellular matrix protein with potent anti-angiogenic and antimetastatic properties, by MDA-MB-435 human breast cancer cells in culture. Eflornithine 75-104 thrombospondin 1 Homo sapiens 138-154 17912446-1 2007 We have previously observed that inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) upregulates production of thrombospondin-1 (TSP-1), an extracellular matrix protein with potent anti-angiogenic and antimetastatic properties, by MDA-MB-435 human breast cancer cells in culture. Eflornithine 75-104 thrombospondin 1 Homo sapiens 156-161 17912446-1 2007 We have previously observed that inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) upregulates production of thrombospondin-1 (TSP-1), an extracellular matrix protein with potent anti-angiogenic and antimetastatic properties, by MDA-MB-435 human breast cancer cells in culture. Eflornithine 106-110 thrombospondin 1 Homo sapiens 138-154 17912446-1 2007 We have previously observed that inhibition of polyamine biosynthesis with alpha-difluoromethylornithine (DFMO) upregulates production of thrombospondin-1 (TSP-1), an extracellular matrix protein with potent anti-angiogenic and antimetastatic properties, by MDA-MB-435 human breast cancer cells in culture. Eflornithine 106-110 thrombospondin 1 Homo sapiens 156-161 17912446-2 2007 The present experiments were designed to investigate the mechanisms by which DFMO regulates TSP-1 production in this system. Eflornithine 77-81 thrombospondin 1 Homo sapiens 92-97 17714450-8 2007 Importantly, we also demonstrate that NMDA leads to activation of both the Erk1/2 and PI3 K/Akt pathways, but only the PI3 K/Akt kinase was required for di-fluoro-methyl-ornithine-induced RGC survival. Eflornithine 153-179 AKT serine/threonine kinase 1 Homo sapiens 125-128 17675337-6 2007 In addition, treatment of tumor-bearing K6-SSAT mice with the ODC inhibitor, alpha-difluoromethylornithine, resulted in the complete regression of established tumors. Eflornithine 77-106 keratin 6 Mus musculus 40-47 17912446-3 2007 35S-methionine pulse chase experiments indicated that DFMO administration increased TSP-1 synthesis by approximately 6-fold, while it slightly but significantly decreased protein half-life from 35 to 28 min. Eflornithine 54-58 thrombospondin 1 Homo sapiens 84-89 17912446-4 2007 DFMO treatment increased steady state TSP-1 mRNA levels by 2-fold in MDA-MB-435 cells. Eflornithine 0-4 thrombospondin 1 Homo sapiens 38-43 17912446-6 2007 Analysis of distribution of TSP-1 mRNA levels between non-polysomal, subpolysomal and polysomal fractions in control and DFMO-treated cells suggested a major stimulatory effect of the drug on TSP-1 translation. Eflornithine 121-125 thrombospondin 1 Homo sapiens 28-33 17912446-6 2007 Analysis of distribution of TSP-1 mRNA levels between non-polysomal, subpolysomal and polysomal fractions in control and DFMO-treated cells suggested a major stimulatory effect of the drug on TSP-1 translation. Eflornithine 121-125 thrombospondin 1 Homo sapiens 192-197 17912446-7 2007 A similar increase in TSP-1 transcription and translation in response to DFMO treatment was also observed in vivo in MDA-MB-435 breast cancer xenografts. Eflornithine 73-77 thrombospondin 1 Homo sapiens 22-27 17912446-9 2007 The reason for this unexpected finding is unknown but may be due to DFMO-induced stimulation of TSP-1 secretion into the systemic circulation, thus preventing its accumulation within the tumor. Eflornithine 68-72 thrombospondin 1 Homo sapiens 96-101 17600044-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine decreased levels of TLR2 mRNA and protein, whereas increased polyamines by ectopic overexpression of the ODC gene enhanced TLR2 expression. Eflornithine 82-111 ornithine decarboxylase 1 Homo sapiens 72-75 17600044-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine decreased levels of TLR2 mRNA and protein, whereas increased polyamines by ectopic overexpression of the ODC gene enhanced TLR2 expression. Eflornithine 82-111 toll like receptor 2 Homo sapiens 132-136 17143592-5 2007 In contrast to our previous findings with MDA-MB-435 cells, DFMO did not affect the activation of STAT3, JNK, and ERK, but decreased phosphorylation of p38. Eflornithine 60-64 mitogen-activated protein kinase 14 Homo sapiens 152-155 17407445-4 2007 We also show that L. donovani ODC binds the substrate, the co-enzyme pyridoxal 5"-phosphate and the irreversible inhibitor alpha-difluoromethylornithine (a curative agent of West African sleeping sickness) with less affinity than human ODC. Eflornithine 123-152 ornithine decarboxylase 1 Homo sapiens 30-33 17494634-2 2007 We showed here that CAT-1 mRNA expression was increased by ornithne in OAT-deficient RPE cells, which was reversed by an inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO). Eflornithine 165-194 solute carrier family 7 member 1 Homo sapiens 20-25 17494634-2 2007 We showed here that CAT-1 mRNA expression was increased by ornithne in OAT-deficient RPE cells, which was reversed by an inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO). Eflornithine 196-200 solute carrier family 7 member 1 Homo sapiens 20-25 17494634-2 2007 We showed here that CAT-1 mRNA expression was increased by ornithne in OAT-deficient RPE cells, which was reversed by an inhibitor of ornithine decarboxylase (ODC), alpha-difluoromethylornithine (DFMO). Eflornithine 196-200 ornithine decarboxylase 1 Homo sapiens 159-162 17396214-2 2007 Inhibitors of ornithine decarboxylase, such as difluoromethylornithine (DFMO), and agents that stimulate polyamine acetylation and export, such as non-steroidal anti-inflammatory drugs (NSAIDS), act at least additively to arrest growth in human cell models and suppress intestinal carcinogenesis in mice. Eflornithine 47-70 ornithine decarboxylase 1 Homo sapiens 14-37 17443268-5 2007 The ODC irreversible inactivator DFMO has proven to be not only a valuable tool in the study of ODC in cancer, but also shows promise as a chemopreventive and chemotherapeutic agent in certain types of malignancies. Eflornithine 33-37 ornithine decarboxylase 1 Homo sapiens 4-7 17443268-5 2007 The ODC irreversible inactivator DFMO has proven to be not only a valuable tool in the study of ODC in cancer, but also shows promise as a chemopreventive and chemotherapeutic agent in certain types of malignancies. Eflornithine 33-37 ornithine decarboxylase 1 Homo sapiens 96-99 17610127-3 2007 The ODC inhibitor alpha-difluoromethylornithine (DFMO) is about to become a first-line drug against human late-stage gambiense sleeping sickness. Eflornithine 18-47 ornithine decarboxylase 1 Homo sapiens 4-7 17610127-3 2007 The ODC inhibitor alpha-difluoromethylornithine (DFMO) is about to become a first-line drug against human late-stage gambiense sleeping sickness. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 4-7 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 ornithine decarboxylase 1 Homo sapiens 47-70 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 ornithine decarboxylase 1 Homo sapiens 72-75 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 tumor protein p53 Homo sapiens 129-132 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 N-myc downstream regulated 1 Homo sapiens 152-157 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 N-myc downstream regulated 1 Homo sapiens 205-210 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 N-myc downstream regulated 1 Homo sapiens 205-210 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 tumor protein p53 Homo sapiens 323-326 17442733-5 2007 Depletion of cellular polyamines by inhibiting ornithine decarboxylase (ODC) with alpha-difluoromethylornithine not only induced p53 but also increased NDRG1 transcription as indicated by induction of the NDRG1 promoter activity and increased levels of NDRG1 mRNA and protein, all of which were prevented by using specific p53 siRNA and in cells with a targeted deletion of p53. Eflornithine 82-111 tumor protein p53 Homo sapiens 323-326 17549408-8 2007 Animals of the aspirin/DFMO group exhibited an inactivation of ornithine decarboxylase, a key enzyme in polyamine biosynthesis, and a two-fold reduction in the prostaglandin E2 content of the colonic mucosa (p<0.01). Eflornithine 23-27 ornithine decarboxylase 1 Rattus norvegicus 63-86 17121924-6 2006 To determine if polyamines contribute to the cellular response to HDAC inhibitors, we inhibited ODC activity with alpha-difluoromethylornithine. Eflornithine 114-143 ornithine decarboxylase 1 Homo sapiens 96-99 17183546-1 2007 Polyamine depletion with the ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine (DFMO), prevents Rac1 activation causing the formation of a thick actin cortex at the cell periphery and inhibits migration of intestinal epithelial cells. Eflornithine 63-93 ornithine decarboxylase 1 Homo sapiens 29-52 17183546-1 2007 Polyamine depletion with the ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine (DFMO), prevents Rac1 activation causing the formation of a thick actin cortex at the cell periphery and inhibits migration of intestinal epithelial cells. Eflornithine 63-93 Rac family small GTPase 1 Homo sapiens 111-115 17183546-1 2007 Polyamine depletion with the ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine (DFMO), prevents Rac1 activation causing the formation of a thick actin cortex at the cell periphery and inhibits migration of intestinal epithelial cells. Eflornithine 95-99 ornithine decarboxylase 1 Homo sapiens 29-52 17183546-1 2007 Polyamine depletion with the ornithine decarboxylase inhibitor alpha-difluoromethyl ornithine (DFMO), prevents Rac1 activation causing the formation of a thick actin cortex at the cell periphery and inhibits migration of intestinal epithelial cells. Eflornithine 95-99 Rac family small GTPase 1 Homo sapiens 111-115 17116678-5 2007 The ODC, ADOMETDC, and SPDSYN overproducer strains exhibited a high level of resistance to difluoromethylornithine, 5"-{[(Z)-4-amino-2-butenyl]methylamino}-5"-deoxyadenosine, and n-butylamine, respectively, confirming previous observations that these agents specifically target polyamine enzymes. Eflornithine 91-114 S-adenosylmethionine decarboxylase Leishmania donovani 9-17 17235241-4 2007 Annexin V was induced by nimesulide, 4-hydroxyphenylretinamide, and difluoromethylornithine in ultraviolet-B-treated radial growth-phase-like melanoma cells. Eflornithine 68-91 annexin A5 Homo sapiens 0-9 17235241-6 2007 E-cadherin was only induced by difluoromethylornithine in ultraviolet-B-treated radial growth-phase-like melanoma cells. Eflornithine 31-54 cadherin 1 Homo sapiens 0-10 16973916-5 2007 Depletion of cellular polyamines by alpha-difluoromethylornithine inhibited PLC-gamma1 expression in differentiated IECs (stable Cdx2-transfected IEC-6 cells), as indicated by substantial decreases in levels of PLC-gamma1 mRNA and protein and its enzyme product IP3. Eflornithine 36-65 phospholipase C, gamma 1 Rattus norvegicus 76-86 16944279-1 2006 The antiproliferative effects of the iron chelator O-trensox and the ornithine-decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were characterized in the rat hepatoma cell line FAO, the rat liver epithelial cell line (RLEC) and the primary rat hepatocyte cultures stimulated by EGF. Eflornithine 109-138 ornithine decarboxylase 1 Rattus norvegicus 69-92 16944279-1 2006 The antiproliferative effects of the iron chelator O-trensox and the ornithine-decarboxylase (ODC) inhibitor alpha-difluoromethylornithine (DFMO) were characterized in the rat hepatoma cell line FAO, the rat liver epithelial cell line (RLEC) and the primary rat hepatocyte cultures stimulated by EGF. Eflornithine 109-138 ornithine decarboxylase 1 Rattus norvegicus 94-97 17148758-7 2007 Combination treatment of mice with alpha-difluoromethylornithine (a suicide inhibitor of ODC) and a polyamine-deficient diet produced a marked decrease in adrenal polyamine and catecholamine levels and a significant reduction in plasma corticosterone and aldosterone concentrations that were not associated with a decrease in the mRNA levels of steroidogenic proteins. Eflornithine 35-64 ornithine decarboxylase, structural 1 Mus musculus 89-92 17371277-2 2007 Among the inhibitors of polyamine-related enzymes, the ODC inactivator DFMO [2-(difluoromethyl)ornithine] became the most well-known. Eflornithine 71-75 ornithine decarboxylase 1 Homo sapiens 55-58 17371277-2 2007 Among the inhibitors of polyamine-related enzymes, the ODC inactivator DFMO [2-(difluoromethyl)ornithine] became the most well-known. Eflornithine 77-104 ornithine decarboxylase 1 Homo sapiens 55-58 16973916-5 2007 Depletion of cellular polyamines by alpha-difluoromethylornithine inhibited PLC-gamma1 expression in differentiated IECs (stable Cdx2-transfected IEC-6 cells), as indicated by substantial decreases in levels of PLC-gamma1 mRNA and protein and its enzyme product IP3. Eflornithine 36-65 caudal type homeo box 2 Rattus norvegicus 129-133 16973916-5 2007 Depletion of cellular polyamines by alpha-difluoromethylornithine inhibited PLC-gamma1 expression in differentiated IECs (stable Cdx2-transfected IEC-6 cells), as indicated by substantial decreases in levels of PLC-gamma1 mRNA and protein and its enzyme product IP3. Eflornithine 36-65 phospholipase C, gamma 1 Rattus norvegicus 211-221 16883568-6 2006 DFMO treatment and SPD rescues also changed the ratio of total cellular PI(4,5)P2 to PIP suggesting involvement of a SPD-sensitive PI(4)P5K. Eflornithine 0-4 prolactin induced protein Homo sapiens 85-88 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 21-25 ornithine decarboxylase 1 Rattus norvegicus 14-17 16870157-5 2006 To determine if MTOB exerts its effects primarily via ODC inhibition, we compared the effects of MTOB with the ODC-specific inhibitor difluoromethylornithine (DFMO). Eflornithine 134-157 ornithine decarboxylase 1 Homo sapiens 111-114 16706751-6 2006 In contrast, depletion of cellular polyamines by inhibiting ODC enzyme activity with alpha-difluoromethylornithine decreased c-Myc, but increased p21Cip1 transcription. Eflornithine 85-114 ornithine decarboxylase 1 Homo sapiens 60-63 16706751-6 2006 In contrast, depletion of cellular polyamines by inhibiting ODC enzyme activity with alpha-difluoromethylornithine decreased c-Myc, but increased p21Cip1 transcription. Eflornithine 85-114 MYC proto-oncogene, bHLH transcription factor Homo sapiens 125-130 16706751-6 2006 In contrast, depletion of cellular polyamines by inhibiting ODC enzyme activity with alpha-difluoromethylornithine decreased c-Myc, but increased p21Cip1 transcription. Eflornithine 85-114 cyclin dependent kinase inhibitor 1A Homo sapiens 146-153 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 21-25 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 84-87 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 21-25 mitogen activated protein kinase 3 Rattus norvegicus 92-98 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 21-25 mitogen activated protein kinase 3 Rattus norvegicus 100-141 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 27-56 ornithine decarboxylase 1 Rattus norvegicus 14-17 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 27-56 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 84-87 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 27-56 mitogen activated protein kinase 3 Rattus norvegicus 92-98 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 27-56 mitogen activated protein kinase 3 Rattus norvegicus 100-141 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 215-219 ornithine decarboxylase 1 Rattus norvegicus 14-17 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 215-219 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 84-87 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 215-219 mitogen activated protein kinase 3 Rattus norvegicus 92-98 16669788-4 2006 Inhibition of ODC by DFMO (alpha-difluoromethylornithine) increased the activity of Src and ERK1/2 (extracellular-signal-regulated kinase 1/2) within 30 min, which was prevented by exogenous polyamines added to the DFMO-containing medium. Eflornithine 215-219 mitogen activated protein kinase 3 Rattus norvegicus 100-141 16669788-8 2006 Polyamine depletion by DFMO increased integrin beta3 Tyr785 phosphorylation. Eflornithine 23-27 integrin subunit beta 3 Rattus norvegicus 38-52 16274854-3 2006 In the present study, we found that depletion of polyamines with alpha-difluromethylornithine (DFMO) significantly reduced the efficacy of GLP-2 in preserving gut mucosa in rats maintained on TPN for 8 days. Eflornithine 95-99 mast cell protease 10 Rattus norvegicus 139-144 16678846-7 2006 Pharmacological inhibition of ornithine decarboxylase by alpha-difluoromethylornithine (DFMO) depletes H9c2 cardiomyoblasts of polyamines and protects the cells against ischemia-induced apoptosis. Eflornithine 57-86 ornithine decarboxylase, structural 1 Mus musculus 30-53 16678846-7 2006 Pharmacological inhibition of ornithine decarboxylase by alpha-difluoromethylornithine (DFMO) depletes H9c2 cardiomyoblasts of polyamines and protects the cells against ischemia-induced apoptosis. Eflornithine 88-92 ornithine decarboxylase, structural 1 Mus musculus 30-53 16678846-8 2006 DFMO inhibits several of the molecular events of apoptosis that follow simulated ischemia, such as the release of cytochrome c from mitochondria, caspase activation, downregulation of Bcl-xL, and DNA fragmentation. Eflornithine 0-4 BCL2-like 1 Mus musculus 184-190 16813878-1 2006 PURPOSE: Ornithine decarboxylase catalyzes the rate limiting step in polyamine synthesis and its activity can be inhibited by difluoromethylornithine, which has been shown in preclinical studies, to prevent bladder cancer. Eflornithine 126-149 ornithine decarboxylase 1 Homo sapiens 9-32 16690610-4 2006 Depletion of cellular polyamines by inhibiting ornithine decarboxylase with alpha-difluoromethylornithine dramatically enhanced the cytoplasmic abundance of HuR, whereas ectopic ornithine decarboxylase overexpression decreased cytoplasmic HuR; neither intervention changed whole-cell HuR levels. Eflornithine 76-105 ornithine decarboxylase 1 Homo sapiens 47-70 16690610-4 2006 Depletion of cellular polyamines by inhibiting ornithine decarboxylase with alpha-difluoromethylornithine dramatically enhanced the cytoplasmic abundance of HuR, whereas ectopic ornithine decarboxylase overexpression decreased cytoplasmic HuR; neither intervention changed whole-cell HuR levels. Eflornithine 76-105 ELAV like RNA binding protein 1 Homo sapiens 157-160 16274854-5 2006 Addition of DFMO to the infusate prevented the protective effects of GLP-2 in the duodenum and jejunum. Eflornithine 12-16 mast cell protease 10 Rattus norvegicus 69-74 16532286-5 2006 DFMO-treated cells also showed a low level of thioredoxin, which is a high-level determinant of the cellular fate. Eflornithine 0-4 thioredoxin Homo sapiens 46-57 16520895-11 2006 However, Bcl-2 is further enhanced following prolactin stimulation for 4 h and this enhancement is blocked by DFMO. Eflornithine 110-114 BCL2 apoptosis regulator Homo sapiens 9-14 16520895-12 2006 Bcl-2 has no effect on ODC activity and protein levels, but ODC upregulates Bcl-2, which is inhibited by DFMO. Eflornithine 105-109 ornithine decarboxylase 1 Homo sapiens 60-63 16520895-12 2006 Bcl-2 has no effect on ODC activity and protein levels, but ODC upregulates Bcl-2, which is inhibited by DFMO. Eflornithine 105-109 BCL2 apoptosis regulator Homo sapiens 76-81 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 35-64 ornithine decarboxylase 1 Homo sapiens 76-99 16052528-7 2006 Finally, DENSPM could rescue cells from growth arrest by the ornithine decarboxylase inhibitor difluoromethylornithine, which depletes intracellular polyamines. Eflornithine 95-118 ornithine decarboxylase 1 Homo sapiens 61-84 16406751-7 2006 Another strong indication of apoptosis was the finding that one of the key enzymes in the apoptotic process, caspase-3, was induced when DFMO was omitted from the growth medium. Eflornithine 137-141 caspase-3 Cricetulus griseus 109-118 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 35-64 tumor necrosis factor Homo sapiens 237-240 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 66-70 ornithine decarboxylase 1 Homo sapiens 76-99 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 66-70 ornithine decarboxylase 1 Homo sapiens 101-104 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 66-70 caspase 3 Homo sapiens 183-192 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 66-70 tumor necrosis factor Homo sapiens 237-240 15965903-5 2006 DFMO treatment also inhibited the increase in effector caspase activity provoked by TNF plus MG132, a proteasome inhibitor. Eflornithine 0-4 tumor necrosis factor Homo sapiens 84-87 15965903-6 2006 DFMO decreased caspase-8 activity and procaspase-8 content, an apical caspase essential for TNF-induced apoptosis. Eflornithine 0-4 caspase 8 Homo sapiens 15-24 15965903-6 2006 DFMO decreased caspase-8 activity and procaspase-8 content, an apical caspase essential for TNF-induced apoptosis. Eflornithine 0-4 tumor necrosis factor Homo sapiens 92-95 15965903-7 2006 Although DFMO increased the amount of active, phosphorylated Akt, inhibitors of the Akt pathway failed to restore the TNF-induced increase in caspase activity blunted by DFMO. Eflornithine 9-13 AKT serine/threonine kinase 1 Homo sapiens 61-64 15965903-8 2006 DFMO also reduced the increase in caspase activity induced by staurosporine, but in this case Akt inhibition prevented the DFMO effect. Eflornithine 123-127 AKT serine/threonine kinase 1 Homo sapiens 94-97 16439861-8 2006 Myc-induced apoptosis operates through ODC and can be prevented with the ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 88-117 ornithine decarboxylase 1 Homo sapiens 73-76 16439861-8 2006 Myc-induced apoptosis operates through ODC and can be prevented with the ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 119-123 MYC proto-oncogene, bHLH transcription factor Homo sapiens 0-3 16439861-8 2006 Myc-induced apoptosis operates through ODC and can be prevented with the ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 119-123 ornithine decarboxylase 1 Homo sapiens 39-42 16439861-8 2006 Myc-induced apoptosis operates through ODC and can be prevented with the ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 119-123 ornithine decarboxylase 1 Homo sapiens 73-76 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 35-64 ornithine decarboxylase 1 Homo sapiens 101-104 15965903-4 2006 Pre-treatment of chondrocytes with alpha-difluoromethylornithine (DFMO), an ornithine decarboxylase (ODC) inhibitor, markedly reduced putrescine and spermidine content as well as the caspase-3 activation and DNA fragmentation induced by TNF and CHX. Eflornithine 35-64 caspase 3 Homo sapiens 183-192 16048438-3 2005 Polyamine depletion by DFMO (alpha-difluoromethylornithine) caused phosphorylation of STAT3 at Tyr-705 and Ser-727. Eflornithine 23-27 signal transducer and activator of transcription 3 Homo sapiens 86-91 16048438-3 2005 Polyamine depletion by DFMO (alpha-difluoromethylornithine) caused phosphorylation of STAT3 at Tyr-705 and Ser-727. Eflornithine 29-58 signal transducer and activator of transcription 3 Homo sapiens 86-91 16322252-4 2005 We found that DFMO caused a p53-independent increase in p21 and its association with cyclin-dependent kinase (cdk)-2 and decreased cdk-2 protein as well as its phosphorylation on Thr160. Eflornithine 14-18 tumor protein p53 Homo sapiens 28-31 16322252-4 2005 We found that DFMO caused a p53-independent increase in p21 and its association with cyclin-dependent kinase (cdk)-2 and decreased cdk-2 protein as well as its phosphorylation on Thr160. Eflornithine 14-18 cyclin dependent kinase inhibitor 1A Homo sapiens 56-59 16322252-4 2005 We found that DFMO caused a p53-independent increase in p21 and its association with cyclin-dependent kinase (cdk)-2 and decreased cdk-2 protein as well as its phosphorylation on Thr160. Eflornithine 14-18 cyclin dependent kinase 2 Homo sapiens 85-116 16322252-4 2005 We found that DFMO caused a p53-independent increase in p21 and its association with cyclin-dependent kinase (cdk)-2 and decreased cdk-2 protein as well as its phosphorylation on Thr160. Eflornithine 14-18 cyclin dependent kinase 2 Homo sapiens 131-136 16322252-6 2005 Cdk-2 activity was drastically reduced in DFMO-treated breast cancer cells which exhibited a reduction in retinoblastoma (Rb) phosphorylation and protein. Eflornithine 42-46 cyclin dependent kinase 2 Homo sapiens 0-5 16322252-8 2005 In addition, DFMO inhibited G2-M transition, most likely as a result of its induction of p21 expression. Eflornithine 13-17 cyclin dependent kinase inhibitor 1A Homo sapiens 89-92 16322252-9 2005 Inhibition of the MAPK pathway with PD98059 or U0126 blocked the DFMO-induced induction of p21 and the reduction of cdk-2 protein. Eflornithine 65-69 cyclin dependent kinase inhibitor 1A Homo sapiens 91-94 16322252-9 2005 Inhibition of the MAPK pathway with PD98059 or U0126 blocked the DFMO-induced induction of p21 and the reduction of cdk-2 protein. Eflornithine 65-69 cyclin dependent kinase 2 Homo sapiens 116-121 16322252-10 2005 PD98059 reversed the G2-M block induced by DFMO (probably as a result of suppression of p21) but not the G1-S arrest. Eflornithine 43-47 cyclin dependent kinase inhibitor 1A Homo sapiens 88-91 16322252-11 2005 MDA-MB-435 cells treated with PD98059 or U0126 in the presence and absence of DFMO exhibited a marked increase in the expression of p27 and its association with cdk-2, a decrease in phosphorylation of cdk-2 on Thr160, and a decrease in cyclin E expression. Eflornithine 78-82 interferon alpha inducible protein 27 Homo sapiens 132-135 16322252-11 2005 MDA-MB-435 cells treated with PD98059 or U0126 in the presence and absence of DFMO exhibited a marked increase in the expression of p27 and its association with cdk-2, a decrease in phosphorylation of cdk-2 on Thr160, and a decrease in cyclin E expression. Eflornithine 78-82 cyclin dependent kinase 2 Homo sapiens 161-166 16322252-11 2005 MDA-MB-435 cells treated with PD98059 or U0126 in the presence and absence of DFMO exhibited a marked increase in the expression of p27 and its association with cdk-2, a decrease in phosphorylation of cdk-2 on Thr160, and a decrease in cyclin E expression. Eflornithine 78-82 cyclin dependent kinase 2 Homo sapiens 201-206 16322252-13 2005 Neither DFMO nor PD98059, either alone or in combination, reduced cdk-4 activity despite a marked induction in p15 expression caused by DFMO. Eflornithine 136-140 cyclin dependent kinase inhibitor 2B Homo sapiens 111-114 16382048-8 2005 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, is under clinical evaluation as a colorectal cancer chemopreventive agent. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 57-60 16048438-7 2005 Expression of DN-STAT3 (dominant negative-STAT3) completely eliminated the protective effect of DFMO against TNF-alpha-induced apoptosis. Eflornithine 96-100 signal transducer and activator of transcription 3 Homo sapiens 17-22 16048438-7 2005 Expression of DN-STAT3 (dominant negative-STAT3) completely eliminated the protective effect of DFMO against TNF-alpha-induced apoptosis. Eflornithine 96-100 signal transducer and activator of transcription 3 Homo sapiens 42-47 16048438-7 2005 Expression of DN-STAT3 (dominant negative-STAT3) completely eliminated the protective effect of DFMO against TNF-alpha-induced apoptosis. Eflornithine 96-100 tumor necrosis factor Homo sapiens 109-118 16320593-0 2005 [Effect of alpha-difluoromethylornithine on the expression of ODC mRNA in the cortex and hippocampus in rats after cerebral ischemia reperfusion]. Eflornithine 11-40 ornithine decarboxylase 1 Rattus norvegicus 62-65 16320593-4 2005 The variations of the expression of ODC mRNA were studied in the DFMO pretreatment group and the ischemal control group respectively. Eflornithine 65-69 ornithine decarboxylase 1 Rattus norvegicus 36-39 16320593-6 2005 CONCLUSION: DFMO suppressed the expression of ODC mRNA after different lengths of reperfusion following 10-minute global cerebral ischemia in rats and it may be one of the ways for DFMO to inhibit ODC activity. Eflornithine 12-16 ornithine decarboxylase 1 Rattus norvegicus 46-49 16320593-6 2005 CONCLUSION: DFMO suppressed the expression of ODC mRNA after different lengths of reperfusion following 10-minute global cerebral ischemia in rats and it may be one of the ways for DFMO to inhibit ODC activity. Eflornithine 12-16 ornithine decarboxylase 1 Rattus norvegicus 197-200 16320593-6 2005 CONCLUSION: DFMO suppressed the expression of ODC mRNA after different lengths of reperfusion following 10-minute global cerebral ischemia in rats and it may be one of the ways for DFMO to inhibit ODC activity. Eflornithine 181-185 ornithine decarboxylase 1 Rattus norvegicus 46-49 16320593-6 2005 CONCLUSION: DFMO suppressed the expression of ODC mRNA after different lengths of reperfusion following 10-minute global cerebral ischemia in rats and it may be one of the ways for DFMO to inhibit ODC activity. Eflornithine 181-185 ornithine decarboxylase 1 Rattus norvegicus 197-200 15994315-5 2005 Bad Ser112 phosphorylation in response to tumor necrosis factor (TNF)-alpha treatment decreased with time in cells grown in control as well as those grown in the presence of alpha-difluoromethylornithine plus putrescine. Eflornithine 174-203 tumor necrosis factor Homo sapiens 42-75 15994315-6 2005 However, a sustained increase in the levels of Bad Ser112 phosphorylation was maintained in response to TNF-alpha treatment in cells grown in the presence of alpha-difluoromethylornithine. Eflornithine 158-187 tumor necrosis factor Homo sapiens 104-113 15860639-3 2005 Pretreatment of IEC-6 cells with 5 mM alpha-difluoromethylornithine (DFMO) for 4 days significantly reduced radiation-induced caspase-3 activity and DNA fragmentation. Eflornithine 38-67 caspase 3 Rattus norvegicus 126-135 15860639-3 2005 Pretreatment of IEC-6 cells with 5 mM alpha-difluoromethylornithine (DFMO) for 4 days significantly reduced radiation-induced caspase-3 activity and DNA fragmentation. Eflornithine 69-73 caspase 3 Rattus norvegicus 126-135 15860639-6 2005 Pretreatment of mice with 2% DFMO in drinking water significantly reduced apoptotic cells from approximately 2.75 to 1.61 per crypt-villus unit, accompanied by significant decreases in caspase-3 levels. Eflornithine 29-33 caspase 3 Mus musculus 185-194 15860639-7 2005 Further examination showed that DFMO pretreatment inhibited the radiation-induced increase in the proapoptotic protein Bax. Eflornithine 32-36 BCL2 associated X, apoptosis regulator Rattus norvegicus 119-122 15860639-9 2005 We conclude that polyamine depletion by DFMO inhibits gamma-irradiation-induced apoptosis of intestinal epithelial cells both in vitro and in vivo through inhibition of Bax and caspase-3 activity, which leads to attenuation of radiation-inflicted intestinal injury. Eflornithine 40-44 BCL2 associated X, apoptosis regulator Rattus norvegicus 169-172 15860639-9 2005 We conclude that polyamine depletion by DFMO inhibits gamma-irradiation-induced apoptosis of intestinal epithelial cells both in vitro and in vivo through inhibition of Bax and caspase-3 activity, which leads to attenuation of radiation-inflicted intestinal injury. Eflornithine 40-44 caspase 3 Rattus norvegicus 177-186 15828019-6 2005 Pre-treatment of chondrocytes with DFMO, while causing polyamine depletion, significantly reduced NF-kappaB DNA binding activity. Eflornithine 35-39 nuclear factor kappa B subunit 1 Homo sapiens 98-107 15828019-7 2005 Moreover, DFMO also decreased IL-8 production without affecting cellular viability. Eflornithine 10-14 C-X-C motif chemokine ligand 8 Homo sapiens 30-34 16439861-8 2006 Myc-induced apoptosis operates through ODC and can be prevented with the ODC inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 88-117 MYC proto-oncogene, bHLH transcription factor Homo sapiens 0-3 15872011-4 2005 Depletion of cellular polyamines by alpha-difluoromethylornithine, the specific inhibitor of polyamine biosynthesis, stimulated expression of the NPM gene and induced nuclear translocation of NPM protein. Eflornithine 36-65 nucleophosmin 1 Rattus norvegicus 146-149 15872011-4 2005 Depletion of cellular polyamines by alpha-difluoromethylornithine, the specific inhibitor of polyamine biosynthesis, stimulated expression of the NPM gene and induced nuclear translocation of NPM protein. Eflornithine 36-65 nucleophosmin 1 Rattus norvegicus 192-195 16007177-1 2005 Alpha-difluoromethylornithine (DFMO) inhibits the proto-oncogene ornithine decarboxylase (ODC) and is known to induce cell cycle arrest. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 65-88 16007177-1 2005 Alpha-difluoromethylornithine (DFMO) inhibits the proto-oncogene ornithine decarboxylase (ODC) and is known to induce cell cycle arrest. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 90-93 16007177-1 2005 Alpha-difluoromethylornithine (DFMO) inhibits the proto-oncogene ornithine decarboxylase (ODC) and is known to induce cell cycle arrest. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 65-88 16007177-1 2005 Alpha-difluoromethylornithine (DFMO) inhibits the proto-oncogene ornithine decarboxylase (ODC) and is known to induce cell cycle arrest. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 90-93 16007177-3 2005 Treatment with DFMO in combination with SAM486A, an S-adenosylmethionine decarboxylase (AdoMetDC) inhibitor, has been shown to enhance polyamine pool depletion. Eflornithine 15-19 adenosylmethionine decarboxylase 1 Homo sapiens 52-86 16007177-3 2005 Treatment with DFMO in combination with SAM486A, an S-adenosylmethionine decarboxylase (AdoMetDC) inhibitor, has been shown to enhance polyamine pool depletion. Eflornithine 15-19 adenosylmethionine decarboxylase 1 Homo sapiens 88-96 16007177-11 2005 We show for the first time that DFMO and SAM486A induce G1 cell cycle arrest in NB cells through p27Kip1 and Rb hypophosphorylation. Eflornithine 32-36 cyclin dependent kinase inhibitor 1B Homo sapiens 97-104 15941855-5 2005 BMSCs were grown for an additional 2 days in the presence of 1 mM alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, which reduced the content of both putrescine and spermidine by nearly 90%. Eflornithine 66-95 ornithine decarboxylase 1 Homo sapiens 120-143 15941855-5 2005 BMSCs were grown for an additional 2 days in the presence of 1 mM alpha-difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, which reduced the content of both putrescine and spermidine by nearly 90%. Eflornithine 97-101 ornithine decarboxylase 1 Homo sapiens 120-143 15941855-9 2005 The effect of DFMO on TNFalpha/MG132-induced upregulation of caspase-3 activity was reversed by the addition of 100 microM putrescine, confirming that polyamines were really involved in the apoptotic process. Eflornithine 14-18 tumor necrosis factor Homo sapiens 22-30 15941855-9 2005 The effect of DFMO on TNFalpha/MG132-induced upregulation of caspase-3 activity was reversed by the addition of 100 microM putrescine, confirming that polyamines were really involved in the apoptotic process. Eflornithine 14-18 caspase 3 Homo sapiens 61-70 16382048-8 2005 Difluoromethylornithine (DFMO), a selective inhibitor of ODC, is under clinical evaluation as a colorectal cancer chemopreventive agent. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 57-60 15909119-3 2005 Previous studies have demonstrated that decreasing the activity of ODC by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, causes the accumulation of intracellular reactive oxygen species (ROS) and cell arrest, thus inducing cell death. Eflornithine 74-97 ornithine decarboxylase 1 Homo sapiens 67-70 15691870-5 2005 Polyamine depletion by alpha-difluoromethylornithine (DFMO) decreased levels of occludin protein but failed to affect expression of its mRNA. Eflornithine 23-52 occludin Rattus norvegicus 80-88 15691870-5 2005 Polyamine depletion by alpha-difluoromethylornithine (DFMO) decreased levels of occludin protein but failed to affect expression of its mRNA. Eflornithine 54-58 occludin Rattus norvegicus 80-88 16342411-4 2005 ODC overexpression also increased CK2 kinase activity 2-fold at the nuclear matrix, a response which could be abrogated by treatment of K6/ODC transgenic keratinocytes with the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 191-220 ornithine decarboxylase 1 Homo sapiens 0-3 16342411-4 2005 ODC overexpression also increased CK2 kinase activity 2-fold at the nuclear matrix, a response which could be abrogated by treatment of K6/ODC transgenic keratinocytes with the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 191-220 ornithine decarboxylase 1 Homo sapiens 136-142 16342411-4 2005 ODC overexpression also increased CK2 kinase activity 2-fold at the nuclear matrix, a response which could be abrogated by treatment of K6/ODC transgenic keratinocytes with the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 191-220 ornithine decarboxylase 1 Homo sapiens 139-142 16342411-4 2005 ODC overexpression also increased CK2 kinase activity 2-fold at the nuclear matrix, a response which could be abrogated by treatment of K6/ODC transgenic keratinocytes with the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 222-226 ornithine decarboxylase 1 Homo sapiens 0-3 16342411-4 2005 ODC overexpression also increased CK2 kinase activity 2-fold at the nuclear matrix, a response which could be abrogated by treatment of K6/ODC transgenic keratinocytes with the ODC inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 222-226 ornithine decarboxylase 1 Homo sapiens 136-142 16342411-5 2005 Levels of B23 protein were also elevated in ODC-overexpressing cells compared to normal cells or transgenic cells treated with DFMO. Eflornithine 127-131 nucleophosmin 1 Homo sapiens 10-13 16342411-5 2005 Levels of B23 protein were also elevated in ODC-overexpressing cells compared to normal cells or transgenic cells treated with DFMO. Eflornithine 127-131 ornithine decarboxylase 1 Homo sapiens 44-47 15909119-3 2005 Previous studies have demonstrated that decreasing the activity of ODC by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, causes the accumulation of intracellular reactive oxygen species (ROS) and cell arrest, thus inducing cell death. Eflornithine 74-97 ornithine decarboxylase 1 Homo sapiens 135-138 15909119-3 2005 Previous studies have demonstrated that decreasing the activity of ODC by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, causes the accumulation of intracellular reactive oxygen species (ROS) and cell arrest, thus inducing cell death. Eflornithine 99-103 ornithine decarboxylase 1 Homo sapiens 67-70 15909119-3 2005 Previous studies have demonstrated that decreasing the activity of ODC by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, causes the accumulation of intracellular reactive oxygen species (ROS) and cell arrest, thus inducing cell death. Eflornithine 99-103 ornithine decarboxylase 1 Homo sapiens 135-138 15909119-9 2005 Inhibition of ODC by DFMO in HL-60 cells only could increase ROS generation, but did not disrupt Delta psi(m) or induce apoptosis. Eflornithine 21-25 ornithine decarboxylase 1 Homo sapiens 14-17 15909119-10 2005 However, DFMO enhanced the accumulation of ROS, disruption of Delta psi(m) and apoptosis when cells were treated with TNF-alpha . Eflornithine 9-13 tumor necrosis factor Homo sapiens 118-127 15894264-4 2005 Moreover, lymphoma development was markedly delayed in E mu-Myc;Odc(+/-) transgenic mice and in E mu-Myc mice treated with the Odc inhibitor difluoromethylornithine (DFMO). Eflornithine 141-164 ornithine decarboxylase, structural 1 Mus musculus 64-67 15894264-4 2005 Moreover, lymphoma development was markedly delayed in E mu-Myc;Odc(+/-) transgenic mice and in E mu-Myc mice treated with the Odc inhibitor difluoromethylornithine (DFMO). Eflornithine 141-164 myelocytomatosis oncogene Mus musculus 101-104 15894264-4 2005 Moreover, lymphoma development was markedly delayed in E mu-Myc;Odc(+/-) transgenic mice and in E mu-Myc mice treated with the Odc inhibitor difluoromethylornithine (DFMO). Eflornithine 141-164 ornithine decarboxylase, structural 1 Mus musculus 127-130 15894264-4 2005 Moreover, lymphoma development was markedly delayed in E mu-Myc;Odc(+/-) transgenic mice and in E mu-Myc mice treated with the Odc inhibitor difluoromethylornithine (DFMO). Eflornithine 166-170 ornithine decarboxylase, structural 1 Mus musculus 127-130 15925780-2 2005 BBB disturbances may be almost completely prevented by treating animals with the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 122-151 ornithine decarboxylase 1 Homo sapiens 81-104 16138831-3 2005 We found that inhibition of ODC results in a systematic kidney organogenesis phenotype, in that the DFMO-treated kidney specimens were of smaller size, had less epithelial ureteric bud branches, and their mesenchymal-derived tubule formation was retarded. Eflornithine 100-104 ornithine decarboxylase, structural 1 Mus musculus 28-31 16138831-6 2005 We studied regulation of the Pax-2 gene by analyzing a mouse line in which lacZ was driven by an 8.5 kb Pax-2 enhancer in the epithelial ureteric bud, and found that Pax-2 expression, as indicated by lacZ expression, increased after DFMO treatment. Eflornithine 233-237 paired box 2 Mus musculus 29-34 15925780-2 2005 BBB disturbances may be almost completely prevented by treating animals with the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 122-151 ornithine decarboxylase 1 Homo sapiens 106-109 15925780-2 2005 BBB disturbances may be almost completely prevented by treating animals with the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 153-157 ornithine decarboxylase 1 Homo sapiens 81-104 15925780-2 2005 BBB disturbances may be almost completely prevented by treating animals with the ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 153-157 ornithine decarboxylase 1 Homo sapiens 106-109 15840035-11 2005 alpha-Difluoromethylornithine (DFMO), an ODC inhibitor, reduced intracellular polyamine concentrations and rHSA-induced cell proliferation to control levels. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 41-44 15840035-11 2005 alpha-Difluoromethylornithine (DFMO), an ODC inhibitor, reduced intracellular polyamine concentrations and rHSA-induced cell proliferation to control levels. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 41-44 15718247-7 2005 Here, we show that the ototoxicity of DFMO may be mediated by alteration of the inward rectification of Kir4.1 channels, resulting in a marked reduction in EP. Eflornithine 38-42 potassium inwardly rectifying channel subfamily J member 10 Homo sapiens 104-110 15711175-4 2005 The best-characterized inhibitor is alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 36-65 ornithine decarboxylase 1 Homo sapiens 103-126 15711175-4 2005 The best-characterized inhibitor is alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase. Eflornithine 67-71 ornithine decarboxylase 1 Homo sapiens 103-126 15546879-5 2005 By contrast, simultaneous combination of 5-FU with DFMO, an inhibitor of the polyamine biosynthetic enzyme ornithine decarboxylase, depleted putrescine but did not produce synergistic cell killing. Eflornithine 51-55 ornithine decarboxylase 1 Homo sapiens 107-130 15857080-4 2005 Difluoromethylornithine (DFMO) selectively inhibits ornithine decarboxylase, thus depleting polyamine content and preventing cell proliferation and synthesis activity. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 52-75 15857080-4 2005 Difluoromethylornithine (DFMO) selectively inhibits ornithine decarboxylase, thus depleting polyamine content and preventing cell proliferation and synthesis activity. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 52-75 15857080-8 2005 RESULTS: Fibroblasts treated with DFMO significantly decreased cell proliferation, ornithine decarboxylase activity, and putrescine levels at all treatment times, spermidine after 72 and 96 hours, and spermine after 96 hours of culture. Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 83-106 15857080-12 2005 Transforming growth factor-beta1 and c-myc mRNA expression were related and correlated to MMP-1 and 2, COL-I and TIMP-1 mRNA trend after DFMO treatment. Eflornithine 137-141 transforming growth factor beta 1 Homo sapiens 0-32 15857080-12 2005 Transforming growth factor-beta1 and c-myc mRNA expression were related and correlated to MMP-1 and 2, COL-I and TIMP-1 mRNA trend after DFMO treatment. Eflornithine 137-141 MYC proto-oncogene, bHLH transcription factor Homo sapiens 37-42 15857080-12 2005 Transforming growth factor-beta1 and c-myc mRNA expression were related and correlated to MMP-1 and 2, COL-I and TIMP-1 mRNA trend after DFMO treatment. Eflornithine 137-141 matrix metallopeptidase 1 Homo sapiens 90-101 15857080-12 2005 Transforming growth factor-beta1 and c-myc mRNA expression were related and correlated to MMP-1 and 2, COL-I and TIMP-1 mRNA trend after DFMO treatment. Eflornithine 137-141 TIMP metallopeptidase inhibitor 1 Homo sapiens 113-119 15546879-6 2005 Some pre-treatment and post-treatment regimens of DENSPM and DFMO were antagonistic to 5-FU depending on cellular p53 status. Eflornithine 61-65 tumor protein p53 Homo sapiens 114-117 15377278-5 2005 DFMO considerably decreased the levels of putrescine and spermidine, and the formation of active eIF5A began to decrease when the level of spermidine fell below 8 nmol/mg of protein after 12 h of incubation with DFMO. Eflornithine 212-216 eukaryotic translation initiation factor 5A Mus musculus 97-102 15514084-3 2005 Our study reveals that the blockade of the induction of ovarian ODC by means of the specific inhibitor alpha-difluoromethylornithine (DFMO) affects folliculogenesis and luteinization. Eflornithine 103-132 ornithine decarboxylase, structural 1 Mus musculus 64-67 15514084-3 2005 Our study reveals that the blockade of the induction of ovarian ODC by means of the specific inhibitor alpha-difluoromethylornithine (DFMO) affects folliculogenesis and luteinization. Eflornithine 134-138 ornithine decarboxylase, structural 1 Mus musculus 64-67 15514084-5 2005 In adult cycling females, the administration of DFMO on the evening/night of proestrus markedly decreased plasma progesterone levels at diestrus, which was associated to the decrease in the expression of steroidogenic factor 1, cytochrome cholesterol side chain cleavage enzyme, and steroidogenic acute regulatory protein in the ovary and to a reduced vascularization of the corpora lutea. Eflornithine 48-52 nuclear receptor subfamily 5, group A, member 1 Mus musculus 204-226 16168128-2 2005 Ornithine decarboxylase converts ornithine to putrescine and is the rate-limiting step in polyamine synthesis.alpha-Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase and MDA-MB-435 human breast cancer metastasis to the lung without blocking orthotopic tumor growth. Eflornithine 110-139 ornithine decarboxylase 1 Homo sapiens 0-23 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 29-58 keratin 14 Mus musculus 5-8 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 29-58 midkine Mus musculus 9-12 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 29-58 ornithine decarboxylase, structural 1 Mus musculus 92-95 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 60-64 keratin 14 Mus musculus 5-8 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 60-64 midkine Mus musculus 9-12 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 60-64 ornithine decarboxylase, structural 1 Mus musculus 92-95 15695401-5 2005 When K14-MEK mice were given alpha-difluoromethylornithine (DFMO), a suicide inactivator of ODC, in the drinking water from birth, there was a dramatic delay in the onset of tumor growth ( approximately 6 weeks), and only 25% of DFMO-treated mice developed tumors by 15 weeks of age. Eflornithine 229-233 keratin 14 Mus musculus 5-8 16168128-2 2005 Ornithine decarboxylase converts ornithine to putrescine and is the rate-limiting step in polyamine synthesis.alpha-Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase and MDA-MB-435 human breast cancer metastasis to the lung without blocking orthotopic tumor growth. Eflornithine 110-139 ornithine decarboxylase 1 Homo sapiens 169-192 16168128-2 2005 Ornithine decarboxylase converts ornithine to putrescine and is the rate-limiting step in polyamine synthesis.alpha-Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase and MDA-MB-435 human breast cancer metastasis to the lung without blocking orthotopic tumor growth. Eflornithine 141-145 ornithine decarboxylase 1 Homo sapiens 0-23 16168128-2 2005 Ornithine decarboxylase converts ornithine to putrescine and is the rate-limiting step in polyamine synthesis.alpha-Difluoromethylornithine (DFMO) irreversibly inhibits ornithine decarboxylase and MDA-MB-435 human breast cancer metastasis to the lung without blocking orthotopic tumor growth. Eflornithine 141-145 ornithine decarboxylase 1 Homo sapiens 169-192 16170669-1 2005 Inhibition of ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by the irreversible inhibitor alpha-difluoromethylornithine (DFMO) has been shown to decrease the invasiveness of metastatic human breast cancer cell lines. Eflornithine 115-144 ornithine decarboxylase 1 Homo sapiens 14-37 15355849-6 2005 Depletion of cellular polyamines by pretreatment with alpha-difluoromethylornithine (DFMO) prevented increases in c-myc expression and DNA synthesis induced by 5% dFBS. Eflornithine 54-83 MYC proto-oncogene, bHLH transcription factor Homo sapiens 114-119 15355849-6 2005 Depletion of cellular polyamines by pretreatment with alpha-difluoromethylornithine (DFMO) prevented increases in c-myc expression and DNA synthesis induced by 5% dFBS. Eflornithine 85-89 MYC proto-oncogene, bHLH transcription factor Homo sapiens 114-119 15355849-7 2005 c-Myc gene transcription and cell proliferation decreased in polyamine-deficient cells, whereas the natural polyamine spermidine given together with DFMO maintained c-myc gene expression and cell growth at normal levels. Eflornithine 149-153 MYC proto-oncogene, bHLH transcription factor Homo sapiens 165-170 15355849-8 2005 Disruption of c-myc expression using specific c-myc antisense oligomers not only inhibited normal cell growth (without DFMO) but also prevented the restoration of cell proliferation by spermidine in polyamine-deficient cells. Eflornithine 119-123 MYC proto-oncogene, bHLH transcription factor Homo sapiens 14-19 16158253-9 2005 DFMO also increased tyrosine phosphorylation of STAT-3 and expression of STAT-1 and JNK proteins. Eflornithine 0-4 signal transducer and activator of transcription 3 Homo sapiens 48-54 16170669-1 2005 Inhibition of ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by the irreversible inhibitor alpha-difluoromethylornithine (DFMO) has been shown to decrease the invasiveness of metastatic human breast cancer cell lines. Eflornithine 115-144 ornithine decarboxylase 1 Homo sapiens 39-42 16158253-9 2005 DFMO also increased tyrosine phosphorylation of STAT-3 and expression of STAT-1 and JNK proteins. Eflornithine 0-4 signal transducer and activator of transcription 1 Homo sapiens 73-79 16170669-1 2005 Inhibition of ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by the irreversible inhibitor alpha-difluoromethylornithine (DFMO) has been shown to decrease the invasiveness of metastatic human breast cancer cell lines. Eflornithine 146-150 ornithine decarboxylase 1 Homo sapiens 14-37 16158253-9 2005 DFMO also increased tyrosine phosphorylation of STAT-3 and expression of STAT-1 and JNK proteins. Eflornithine 0-4 mitogen-activated protein kinase 8 Homo sapiens 84-87 16170669-1 2005 Inhibition of ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by the irreversible inhibitor alpha-difluoromethylornithine (DFMO) has been shown to decrease the invasiveness of metastatic human breast cancer cell lines. Eflornithine 146-150 ornithine decarboxylase 1 Homo sapiens 39-42 16170669-5 2005 Expression of MMP-7 mRNA was reduced by DFMO, while MMPs-1, -2, -3, -14, and meprin beta were unaffected. Eflornithine 40-44 matrix metallopeptidase 7 Homo sapiens 14-19 16170669-9 2005 The decrease in meprin alpha expression was reversed with the MEK inhibitor PD98059, demonstrating that MAP kinase signaling mediates the effect of DFMO and SAM486A. Eflornithine 148-152 mitogen-activated protein kinase kinase 7 Homo sapiens 62-65 15534104-11 2004 We also show that inhibition of ODC by difluoromethylornithine caused decreased cell growth and increased apoptosis in two MTAP-deleted pancreatic adenocarcinoma-derived cell lines. Eflornithine 39-62 ornithine decarboxylase 1 Homo sapiens 32-35 15611981-6 2005 The increases in mutant frequency were clearly due to ODC transgene activity, since treatment of mice with the ODC inhibitor, alpha-difluoromethylornithine, completely abolished the difference in mutant frequencies between double-transgenic and Big Blue mice. Eflornithine 126-155 ornithine decarboxylase, structural 1 Mus musculus 54-57 15611981-6 2005 The increases in mutant frequency were clearly due to ODC transgene activity, since treatment of mice with the ODC inhibitor, alpha-difluoromethylornithine, completely abolished the difference in mutant frequencies between double-transgenic and Big Blue mice. Eflornithine 126-155 ornithine decarboxylase, structural 1 Mus musculus 111-114 15704548-2 2004 DFMO and SAM486A are specific inhibitors of ODC and AdoMetDC, respectively, and are the only two PA inhibitors, which have been clinically evaluated in Phase II and III cancer trials. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 44-47 15704548-2 2004 DFMO and SAM486A are specific inhibitors of ODC and AdoMetDC, respectively, and are the only two PA inhibitors, which have been clinically evaluated in Phase II and III cancer trials. Eflornithine 0-4 adenosylmethionine decarboxylase 1 Homo sapiens 52-60 15547724-5 2004 Combined administration of SAM486A and alpha-difluoromethylornithine (DFMO), a selective inhibitor of ornithine decarboxylase (ODC), exerted greater antiproliferative and anti-invasive effects and induced an overall greater suppression of cellular PA levels than the individual treatments. Eflornithine 39-68 ornithine decarboxylase 1 Homo sapiens 102-125 15547724-5 2004 Combined administration of SAM486A and alpha-difluoromethylornithine (DFMO), a selective inhibitor of ornithine decarboxylase (ODC), exerted greater antiproliferative and anti-invasive effects and induced an overall greater suppression of cellular PA levels than the individual treatments. Eflornithine 39-68 ornithine decarboxylase 1 Homo sapiens 127-130 15547724-5 2004 Combined administration of SAM486A and alpha-difluoromethylornithine (DFMO), a selective inhibitor of ornithine decarboxylase (ODC), exerted greater antiproliferative and anti-invasive effects and induced an overall greater suppression of cellular PA levels than the individual treatments. Eflornithine 70-74 ornithine decarboxylase 1 Homo sapiens 102-125 15547724-5 2004 Combined administration of SAM486A and alpha-difluoromethylornithine (DFMO), a selective inhibitor of ornithine decarboxylase (ODC), exerted greater antiproliferative and anti-invasive effects and induced an overall greater suppression of cellular PA levels than the individual treatments. Eflornithine 70-74 ornithine decarboxylase 1 Homo sapiens 127-130 15547724-6 2004 Both SAM486A and DFMO increased phosphorylation of STAT-1, -3, ERK1/2 and p38, thus indicating activation of both STAT signaling and the MAPK pathway. Eflornithine 17-21 signal transducer and activator of transcription 1 Homo sapiens 51-61 15547724-6 2004 Both SAM486A and DFMO increased phosphorylation of STAT-1, -3, ERK1/2 and p38, thus indicating activation of both STAT signaling and the MAPK pathway. Eflornithine 17-21 mitogen-activated protein kinase 3 Homo sapiens 63-69 15547724-6 2004 Both SAM486A and DFMO increased phosphorylation of STAT-1, -3, ERK1/2 and p38, thus indicating activation of both STAT signaling and the MAPK pathway. Eflornithine 17-21 mitogen-activated protein kinase 1 Homo sapiens 74-77 15547724-6 2004 Both SAM486A and DFMO increased phosphorylation of STAT-1, -3, ERK1/2 and p38, thus indicating activation of both STAT signaling and the MAPK pathway. Eflornithine 17-21 mitogen-activated protein kinase 3 Homo sapiens 137-141 15534104-11 2004 We also show that inhibition of ODC by difluoromethylornithine caused decreased cell growth and increased apoptosis in two MTAP-deleted pancreatic adenocarcinoma-derived cell lines. Eflornithine 39-62 methylthioadenosine phosphorylase Homo sapiens 123-127 15505341-0 2004 Tissue-based assay for ornithine decarboxylase to identify patients likely to respond to difluoromethylornithine. Eflornithine 89-112 ornithine decarboxylase 1 Homo sapiens 23-46 15505341-10 2004 We conclude that we can measure levels of ODC in formalin-fixed tumor tissue using an antibody to ODC coupled to Alexa 647 dye, and this will enable us to conduct a future study to correlate survival of patients with gliomas of different histologies treated with DFMO to tumor ODC levels. Eflornithine 263-267 ornithine decarboxylase 1 Homo sapiens 42-45 15351722-1 2004 Difluoromethylornithine-induced polyamine depletion produced a significant fall in the rate of 4E-BP1 gene transcription in IEC-6 cells, without a change in stability of the 4E-BP1 message. Eflornithine 0-23 eukaryotic translation initiation factor 4E binding protein 1 Rattus norvegicus 95-101 15378410-4 2004 A two days pre-treatment of fibroblasts with alpha-difluoromethylornithine (DFMO), which caused polyamine depletion, provoked a slight activating effect when given alone, but markedly inhibited the etoposide-induced increases in p65 DNA binding and phosphorylation. Eflornithine 45-74 v-rel reticuloendotheliosis viral oncogene homolog A (avian) Mus musculus 229-232 15378410-4 2004 A two days pre-treatment of fibroblasts with alpha-difluoromethylornithine (DFMO), which caused polyamine depletion, provoked a slight activating effect when given alone, but markedly inhibited the etoposide-induced increases in p65 DNA binding and phosphorylation. Eflornithine 76-80 v-rel reticuloendotheliosis viral oncogene homolog A (avian) Mus musculus 229-232 15205357-1 2004 The ability of celecoxib and alpha-difluoromethylornithine (DFMO) to modulate the DNA hypomethylation and the hypermethylation of the estrogen receptor (ER)-alpha gene in colon tumors was evaluated as potential biomarkers for chemoprevention. Eflornithine 29-58 estrogen receptor 1 Rattus norvegicus 134-162 15494691-5 2004 Upon addition of alpha-DFMO + putrescine to the culture medium of MCF-7 cells, the decrease of the levels of p50 and p65 proteins in the nuclei has been observed. Eflornithine 17-27 nuclear factor kappa B subunit 1 Homo sapiens 109-112 16416654-5 2005 Specific inhibitors of ODC, most notably 2-difluoromethylornithine (DFMO), have been used experimentally to validate polyamine metabolism as an antineoplastic strategy. Eflornithine 41-66 ornithine decarboxylase 1 Homo sapiens 23-26 16416654-5 2005 Specific inhibitors of ODC, most notably 2-difluoromethylornithine (DFMO), have been used experimentally to validate polyamine metabolism as an antineoplastic strategy. Eflornithine 68-72 ornithine decarboxylase 1 Homo sapiens 23-26 15494691-5 2004 Upon addition of alpha-DFMO + putrescine to the culture medium of MCF-7 cells, the decrease of the levels of p50 and p65 proteins in the nuclei has been observed. Eflornithine 17-27 RELA proto-oncogene, NF-kB subunit Homo sapiens 117-120 15265947-9 2004 In addition, in vivo inhibition of ODC with alpha-difluoromethylornithine also exacerbated the colitis. Eflornithine 44-73 ornithine decarboxylase, structural 1 Mus musculus 35-38 15306645-8 2004 Inhibition of ODC by difluoromethylornithine prevented basal and induced cell death in Q57 cells, demonstrating a central role for polyamines in this process. Eflornithine 21-44 ornithine decarboxylase 1 Homo sapiens 14-17 15247138-1 2004 Difluoromethylornithine (DFMO) is a potent, irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the synthesis of polyamines that promote cellular proliferation. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 70-93 15247138-1 2004 Difluoromethylornithine (DFMO) is a potent, irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the synthesis of polyamines that promote cellular proliferation. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 70-93 15175104-3 2004 We have investigated the utility of polyamine-based therapy against SCCs in this model using the ODC inhibitor 2-difluoromethylornithine delivered orally. Eflornithine 111-136 ornithine decarboxylase, structural 1 Mus musculus 97-100 15205357-1 2004 The ability of celecoxib and alpha-difluoromethylornithine (DFMO) to modulate the DNA hypomethylation and the hypermethylation of the estrogen receptor (ER)-alpha gene in colon tumors was evaluated as potential biomarkers for chemoprevention. Eflornithine 60-64 estrogen receptor 1 Rattus norvegicus 134-162 15205357-9 2004 DFMO for 7-days decreased the number of methylated CpG sites in the ER-alpha gene from 5.00 +/- 0.95 to 3.83 +/- 0.75 and 1.75 +/- 0.49 these levels were further reduced to 0.50 +/- 0.26 following administration of 1000 mg/kg for 28 days. Eflornithine 0-4 estrogen receptor 1 Rattus norvegicus 68-76 15205357-12 2004 In parallel with the hypermethylation of the ER-alpha gene, the mRNA expression of the gene was decreased in colon tumors and was increased by celecoxib, DFMO or the combination. Eflornithine 154-158 estrogen receptor 1 Rattus norvegicus 45-53 15205357-13 2004 Celecoxib and DFMO reversed DNA hypomethylation and the hypermethylation of the ER-alpha gene in colon tumors supporting the hypothesis that modulation of methylation is a biomarker of chemoprevention. Eflornithine 14-18 estrogen receptor 1 Rattus norvegicus 80-88 15175104-8 2004 The enzymatic activity of ODC, the target of DFMO, was substantially reduced after treatment with 1% DFMO and the high SCC polyamine levels, especially putrescine, were also significantly lowered. Eflornithine 45-49 ornithine decarboxylase, structural 1 Mus musculus 26-29 15175104-8 2004 The enzymatic activity of ODC, the target of DFMO, was substantially reduced after treatment with 1% DFMO and the high SCC polyamine levels, especially putrescine, were also significantly lowered. Eflornithine 101-105 ornithine decarboxylase, structural 1 Mus musculus 26-29 15067319-7 2004 Furthermore, oral administration of the suicidal ODC inhibitor alpha-difluoromethylornithine reduced UVB-induced BCCs in Ptch1+/- mice. Eflornithine 63-92 ornithine decarboxylase, structural 1 Mus musculus 49-52 15024023-5 2004 Depletion of cellular polyamines by alpha-difluoromethylornithine induced levels of phosphorylated Akt and increased Akt kinase activity, although it had no effect on expression of total Akt, pERK, p38, and Bcl-2 proteins. Eflornithine 36-65 AKT serine/threonine kinase 1 Homo sapiens 99-102 15024023-5 2004 Depletion of cellular polyamines by alpha-difluoromethylornithine induced levels of phosphorylated Akt and increased Akt kinase activity, although it had no effect on expression of total Akt, pERK, p38, and Bcl-2 proteins. Eflornithine 36-65 AKT serine/threonine kinase 1 Homo sapiens 117-120 15024023-5 2004 Depletion of cellular polyamines by alpha-difluoromethylornithine induced levels of phosphorylated Akt and increased Akt kinase activity, although it had no effect on expression of total Akt, pERK, p38, and Bcl-2 proteins. Eflornithine 36-65 AKT serine/threonine kinase 1 Homo sapiens 117-120 15024023-8 2004 Phosphorylation of glycogen synthase kinase-3, a downstream target of Akt, was also increased in alpha-difluoromethylornithine-treated cells, which was prevented by inactivation of Akt by LY294002 or DNMAkt overexpression. Eflornithine 97-126 AKT serine/threonine kinase 1 Homo sapiens 70-73 15024023-8 2004 Phosphorylation of glycogen synthase kinase-3, a downstream target of Akt, was also increased in alpha-difluoromethylornithine-treated cells, which was prevented by inactivation of Akt by LY294002 or DNMAkt overexpression. Eflornithine 97-126 AKT serine/threonine kinase 1 Homo sapiens 181-184 15075199-4 2004 Depletion of cellular polyamines by alpha-difluoromethylornithine not only activated NF-kappaB activity but also increased expression of c-IAP2 and XIAP. Eflornithine 36-65 X-linked inhibitor of apoptosis Rattus norvegicus 148-152 15057874-0 2004 The chemopreventive agent alpha-difluoromethylornithine blocks Ki-ras-dependent tumor formation and specific gene expression in Caco-2 cells. Eflornithine 26-55 KRAS proto-oncogene, GTPase Homo sapiens 63-69 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 102-125 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 127-130 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 0-29 KRAS proto-oncogene, GTPase Homo sapiens 142-148 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 102-125 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 127-130 15057874-2 2004 alpha-Difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), inhibits Ki-ras transformation and colon tumorigenesis in carcinogen-treated animal models by mechanisms yet to be elucidated. Eflornithine 31-35 KRAS proto-oncogene, GTPase Homo sapiens 142-148 15057874-11 2004 Other Ki-ras-dependent, but DFMO-independent, genes included transglutaminase (TGase) and kallikrein 6 (KLK6). Eflornithine 28-32 transglutaminase 1 Homo sapiens 61-77 15057874-11 2004 Other Ki-ras-dependent, but DFMO-independent, genes included transglutaminase (TGase) and kallikrein 6 (KLK6). Eflornithine 28-32 transglutaminase 1 Homo sapiens 79-84 15057874-11 2004 Other Ki-ras-dependent, but DFMO-independent, genes included transglutaminase (TGase) and kallikrein 6 (KLK6). Eflornithine 28-32 kallikrein related peptidase 6 Homo sapiens 90-102 15057874-11 2004 Other Ki-ras-dependent, but DFMO-independent, genes included transglutaminase (TGase) and kallikrein 6 (KLK6). Eflornithine 28-32 kallikrein related peptidase 6 Homo sapiens 104-108 15057874-14 2004 The results indicated that the Ki-ras oncogene caused changes in experimental cell migration and cell-cell communication genes and that some of these changes could be reversed by DFMO. Eflornithine 179-183 KRAS proto-oncogene, GTPase Homo sapiens 31-37 14563673-4 2004 Polyamine depletion by alpha-difluromethylornithine (DFMO) resulted in the sustained activation of ERK in response to TNF-alpha/CHX treatment. Eflornithine 53-57 Eph receptor B1 Rattus norvegicus 99-102 14563673-4 2004 Polyamine depletion by alpha-difluromethylornithine (DFMO) resulted in the sustained activation of ERK in response to TNF-alpha/CHX treatment. Eflornithine 53-57 tumor necrosis factor Rattus norvegicus 118-127 14563673-6 2004 Moreover, the dose dependency of U-0126-mediated inhibition of TNF-alpha/ CHX-induced ERK phosphorylation correlated with the reversal of the antiapoptotic effect of DFMO. Eflornithine 166-170 tumor necrosis factor Rattus norvegicus 63-72 14563673-6 2004 Moreover, the dose dependency of U-0126-mediated inhibition of TNF-alpha/ CHX-induced ERK phosphorylation correlated with the reversal of the antiapoptotic effect of DFMO. Eflornithine 166-170 Eph receptor B1 Rattus norvegicus 86-89 15067319-7 2004 Furthermore, oral administration of the suicidal ODC inhibitor alpha-difluoromethylornithine reduced UVB-induced BCCs in Ptch1+/- mice. Eflornithine 63-92 patched 1 Mus musculus 121-126 33873730-3 2004 alpha-Difluoromethylornithine inhibited ornithine decarboxylase and decreased free spermidine levels, but had no effect on ascospore germination. Eflornithine 0-29 ornithine decarboxylase Nicotiana tabacum 40-63 14962510-6 2004 Both antisense of c-myc and alpha-difluoromethylornithine (DFMO, specific ODC inhibitor) inhibited cell proliferation without affecting COX-2 expression in response to cigarette smoke extracts (CSE). Eflornithine 28-57 ornithine decarboxylase 1 Homo sapiens 74-77 14962510-6 2004 Both antisense of c-myc and alpha-difluoromethylornithine (DFMO, specific ODC inhibitor) inhibited cell proliferation without affecting COX-2 expression in response to cigarette smoke extracts (CSE). Eflornithine 59-63 MYC proto-oncogene, bHLH transcription factor Homo sapiens 18-23 14962510-6 2004 Both antisense of c-myc and alpha-difluoromethylornithine (DFMO, specific ODC inhibitor) inhibited cell proliferation without affecting COX-2 expression in response to cigarette smoke extracts (CSE). Eflornithine 59-63 ornithine decarboxylase 1 Homo sapiens 74-77 14693047-0 2003 [Apoptotic induction of human lung carcinoma A549 cells by DFMO through Fas/FasL pathway]. Eflornithine 59-63 Fas ligand Homo sapiens 76-80 15672871-0 2004 Cellular mechanisms mediating the anti-invasive properties of the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) in human breast cancer cells. Eflornithine 100-129 ornithine decarboxylase 1 Homo sapiens 66-89 15672871-0 2004 Cellular mechanisms mediating the anti-invasive properties of the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO) in human breast cancer cells. Eflornithine 131-135 ornithine decarboxylase 1 Homo sapiens 66-89 15672871-3 2004 DFMO did not affect phosphorylation of FAK or Akt, but increased ERK phosphorylation by approximately threefold. Eflornithine 0-4 mitogen-activated protein kinase 1 Homo sapiens 65-68 15672871-6 2004 Next, we tested the influence of DFMO on the production of the prometastatic peptide osteopontin (OPN) and the anti-metastatic protein thrombospondin-1 (TSP-1). Eflornithine 33-37 secreted phosphoprotein 1 Homo sapiens 85-96 15672871-7 2004 DFMO treatment, while not affecting OPN production, markedly increased the TSP-1 level in the conditioned media. Eflornithine 0-4 thrombospondin 1 Homo sapiens 75-80 15672871-9 2004 PD98059 completely blocked the stimulatory effect of DFMO on TSP-1 production, which supports a mediatory role for activation of the MAPK pathway in the upregulation of this anti-metastatic peptide by DFMO. Eflornithine 53-57 thrombospondin 1 Homo sapiens 61-66 15672871-9 2004 PD98059 completely blocked the stimulatory effect of DFMO on TSP-1 production, which supports a mediatory role for activation of the MAPK pathway in the upregulation of this anti-metastatic peptide by DFMO. Eflornithine 53-57 mitogen-activated protein kinase 1 Homo sapiens 133-137 15672871-9 2004 PD98059 completely blocked the stimulatory effect of DFMO on TSP-1 production, which supports a mediatory role for activation of the MAPK pathway in the upregulation of this anti-metastatic peptide by DFMO. Eflornithine 201-205 thrombospondin 1 Homo sapiens 61-66 15672871-9 2004 PD98059 completely blocked the stimulatory effect of DFMO on TSP-1 production, which supports a mediatory role for activation of the MAPK pathway in the upregulation of this anti-metastatic peptide by DFMO. Eflornithine 201-205 mitogen-activated protein kinase 1 Homo sapiens 133-137 15672871-10 2004 In summary, our results show that the increase in ERK phosphorylation induced by DFMO plays a critical role in the anti-invasive action of the drug and in its ability to upregulate TSP-1 production. Eflornithine 81-85 mitogen-activated protein kinase 1 Homo sapiens 50-53 15672871-10 2004 In summary, our results show that the increase in ERK phosphorylation induced by DFMO plays a critical role in the anti-invasive action of the drug and in its ability to upregulate TSP-1 production. Eflornithine 81-85 thrombospondin 1 Homo sapiens 181-186 14693047-7 2003 CONCLUSION: DFMO induce apoptosis of human lung carcinoma A549 cells through Fas/FasL pathway. Eflornithine 12-16 Fas ligand Homo sapiens 81-85 14600289-9 2003 The decrease in PTK activity after the first day, even in the presence of alpha-D-Difluoromethylornithine (DFMO), an inhibitor of ODC activity, suggests that it is not regulated by polyamines. Eflornithine 107-111 ornithine decarboxylase 1 Rattus norvegicus 130-133 14649727-11 2003 0.25 mM alpha-difluoromethylornithine (DFMO) inhibited ischemia-induced ODC activity, whereas a 10-mM dose of DFMO appears to provide some neuroprotection by suppressing both ODC activity and LDH release in neuronal cultures, suggesting the involvement of polyamines in the development of neuronal cell death. Eflornithine 8-37 ornithine decarboxylase 1 Rattus norvegicus 72-75 14649727-11 2003 0.25 mM alpha-difluoromethylornithine (DFMO) inhibited ischemia-induced ODC activity, whereas a 10-mM dose of DFMO appears to provide some neuroprotection by suppressing both ODC activity and LDH release in neuronal cultures, suggesting the involvement of polyamines in the development of neuronal cell death. Eflornithine 39-43 ornithine decarboxylase 1 Rattus norvegicus 72-75 14649727-11 2003 0.25 mM alpha-difluoromethylornithine (DFMO) inhibited ischemia-induced ODC activity, whereas a 10-mM dose of DFMO appears to provide some neuroprotection by suppressing both ODC activity and LDH release in neuronal cultures, suggesting the involvement of polyamines in the development of neuronal cell death. Eflornithine 110-114 ornithine decarboxylase 1 Rattus norvegicus 175-178 12855402-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) increased basal levels of Smad3 and Smad4 proteins, induced their nuclear translocation, and stimulated Smad sequence-specific DNA-binding activity. Eflornithine 36-65 SMAD family member 3 Rattus norvegicus 99-104 12853285-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) reduced intracellular free Ca2+ concentration ([Ca2+]cyt), decreased E-cadherin expression, and increased paracellular permeability in normal intestinal epithelial cells (IEC-6 line). Eflornithine 36-65 cadherin 1 Homo sapiens 142-152 12853285-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) reduced intracellular free Ca2+ concentration ([Ca2+]cyt), decreased E-cadherin expression, and increased paracellular permeability in normal intestinal epithelial cells (IEC-6 line). Eflornithine 67-71 cadherin 1 Homo sapiens 142-152 12853285-7 2003 Addition of exogenous polyamine spermidine reversed the effects of DFMO on [Ca2+]cyt and E-cadherin expression and restored paracellular permeability to near normal. Eflornithine 67-71 cadherin 1 Homo sapiens 89-99 14568000-4 2003 This could reflect tighter tethering of nucleosomes to DNA or a more compacted chromatin structure due to elevated intracellular concentrations of polyamines since this effect is reversible upon treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzymatic activity. Eflornithine 210-239 ornithine decarboxylase, structural 1 Mus musculus 272-275 14568000-4 2003 This could reflect tighter tethering of nucleosomes to DNA or a more compacted chromatin structure due to elevated intracellular concentrations of polyamines since this effect is reversible upon treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzymatic activity. Eflornithine 241-245 ornithine decarboxylase, structural 1 Mus musculus 272-275 12869386-6 2003 Polyamine depletion by treatment with alpha-difluoromethylornithine significantly reduced the level of apoptosis, as judged by DNA fragmentation and the caspase-3 activity of attached cells. Eflornithine 38-67 caspase 3 Rattus norvegicus 153-162 12855402-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) increased basal levels of Smad3 and Smad4 proteins, induced their nuclear translocation, and stimulated Smad sequence-specific DNA-binding activity. Eflornithine 36-65 SMAD family member 4 Rattus norvegicus 109-114 12855402-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) increased basal levels of Smad3 and Smad4 proteins, induced their nuclear translocation, and stimulated Smad sequence-specific DNA-binding activity. Eflornithine 67-71 SMAD family member 3 Rattus norvegicus 99-104 12855402-5 2003 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) increased basal levels of Smad3 and Smad4 proteins, induced their nuclear translocation, and stimulated Smad sequence-specific DNA-binding activity. Eflornithine 67-71 SMAD family member 4 Rattus norvegicus 109-114 12855402-7 2003 Inhibition of Smads by a dominant-negative mutant Smad4 in the DFMO-treated cells prevented the increased Smad transcription activation. Eflornithine 63-67 SMAD family member 4 Rattus norvegicus 50-55 12885432-2 2003 We administered alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to neonatal rats on postnatal days 5-12, during the mitotic peak of the cerebellum, a treatment regimen that achieves a chemical knockout of ODC activity and polyamine depletion limited to the treatment period. Eflornithine 16-45 ornithine decarboxylase 1 Rattus norvegicus 83-86 12859253-0 2003 Inhibition of human ornithine decarboxylase activity by enantiomers of difluoromethylornithine. Eflornithine 71-94 ornithine decarboxylase 1 Homo sapiens 20-43 12859253-1 2003 Racemic difluoromethylornithine (D/L-DFMO) is an inhibitor of ODC (ornithine decarboxylase), the first enzyme in eukaryotic polyamine biosynthesis. Eflornithine 8-31 ornithine decarboxylase 1 Homo sapiens 62-65 12859253-1 2003 Racemic difluoromethylornithine (D/L-DFMO) is an inhibitor of ODC (ornithine decarboxylase), the first enzyme in eukaryotic polyamine biosynthesis. Eflornithine 8-31 ornithine decarboxylase 1 Homo sapiens 67-90 12859253-4 2003 However, both DFMO enantiomers suppressed ODC activity in a time- and concentration-dependent manner. Eflornithine 14-18 ornithine decarboxylase 1 Homo sapiens 42-45 12859253-12 2003 These results show that both enantiomers of DFMO irreversibly inactivate ODC and suggest that this inactivation occurs by a common mechanism. Eflornithine 44-48 ornithine decarboxylase 1 Homo sapiens 73-76 12816757-5 2003 Constitutively active RhoA and vector-transfected IEC-6 cell lines were grown in the presence or absence of DFMO, which causes polyamine depletion by inhibiting ornithine decarboxylase, the first rate-limiting step in polyamine synthesis. Eflornithine 108-112 ornithine decarboxylase 1 Rattus norvegicus 161-184 14535654-11 2003 Among the inhibitors of PA-related enzymes, the ODC inactivator (R, S)-2-(difluoromethyl)ornithine (DFMO) became most famous. Eflornithine 100-104 ornithine decarboxylase 1 Homo sapiens 48-51 12885432-2 2003 We administered alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to neonatal rats on postnatal days 5-12, during the mitotic peak of the cerebellum, a treatment regimen that achieves a chemical knockout of ODC activity and polyamine depletion limited to the treatment period. Eflornithine 16-45 ornithine decarboxylase 1 Rattus norvegicus 229-232 12885432-2 2003 We administered alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to neonatal rats on postnatal days 5-12, during the mitotic peak of the cerebellum, a treatment regimen that achieves a chemical knockout of ODC activity and polyamine depletion limited to the treatment period. Eflornithine 47-51 ornithine decarboxylase 1 Rattus norvegicus 83-86 12885432-6 2003 DFMO"s effects on both nAChR expression and cellular biomarkers resembled those of developmental exposure to nicotine. Eflornithine 0-4 cholinergic receptor nicotinic beta 1 subunit Rattus norvegicus 23-28 12801231-4 2003 The most sensitive derivatives to DFMO treatment were the Ant-4,4,3- and Ant-4,4,4-tetraamine analogues, which were 7 and 5 times more cytotoxic in DFMO-treated L1210 cells, respectively. Eflornithine 34-38 solute carrier family 25 (mitochondrial carrier; adenine nucleotide translocator), member 31 Mus musculus 58-63 12909191-9 2003 Alpha-difluoromethylornithine (DFMO), the irreversible inhibitor of ornithine decarboxylase, also induced apoptosis to a similar extent. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 68-91 12909191-9 2003 Alpha-difluoromethylornithine (DFMO), the irreversible inhibitor of ornithine decarboxylase, also induced apoptosis to a similar extent. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 68-91 12873989-11 2003 Treatment of ZD:Wt mice with alpha-difluoromethylornithine, an inhibitor of ornithine decarboxylase, had similar results to AZ in reducing tumor incidence, spermidine content, decreasing cell proliferation, and increasing apoptosis. Eflornithine 29-58 ornithine decarboxylase, structural 1 Mus musculus 76-99 12801231-4 2003 The most sensitive derivatives to DFMO treatment were the Ant-4,4,3- and Ant-4,4,4-tetraamine analogues, which were 7 and 5 times more cytotoxic in DFMO-treated L1210 cells, respectively. Eflornithine 148-152 solute carrier family 25 (mitochondrial carrier; adenine nucleotide translocator), member 31 Mus musculus 58-63 12801231-4 2003 The most sensitive derivatives to DFMO treatment were the Ant-4,4,3- and Ant-4,4,4-tetraamine analogues, which were 7 and 5 times more cytotoxic in DFMO-treated L1210 cells, respectively. Eflornithine 148-152 solute carrier family 25 (mitochondrial carrier; adenine nucleotide translocator), member 31 Mus musculus 73-78 12810623-0 2003 Inhibition of the development of metastatic squamous cell carcinoma in protein kinase C epsilon transgenic mice by alpha-difluoromethylornithine accompanied by marked hair follicle degeneration and hair loss. Eflornithine 115-144 protein kinase C, epsilon Mus musculus 71-95 12810623-4 2003 However, DFMO treatment led to marked hair loss in PKC epsilon transgenic mice. Eflornithine 9-13 protein kinase C, epsilon Mus musculus 51-62 12810623-7 2003 Severe hair loss observed in PKC epsilon transgenic mice on DFMO during skin tumor promotion has not been reported before in the prevention of cancer in other animal models or in human cancer prevention trials. Eflornithine 60-64 protein kinase C, epsilon Mus musculus 29-40 12801231-4 2003 The most sensitive derivatives to DFMO treatment were the Ant-4,4,3- and Ant-4,4,4-tetraamine analogues, which were 7 and 5 times more cytotoxic in DFMO-treated L1210 cells, respectively. Eflornithine 34-38 solute carrier family 25 (mitochondrial carrier; adenine nucleotide translocator), member 31 Mus musculus 73-78 12624736-9 2003 Depletion of putrescine and spermidine due to inactivation of ODC by DFMO causes accumulation of cells in G1, and a proportional decrease of S-phase cells in both cell lines. Eflornithine 69-73 ornithine decarboxylase 1 Homo sapiens 62-65 12771040-1 2003 The cyclooxygenase-2 (COX-2) inhibitor celecoxib and the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) were each previously shown to prevent skin tumor development when administered throughout the course of UV irradiation. Eflornithine 97-120 ornithine decarboxylase, structural 1 Mus musculus 57-80 12771040-1 2003 The cyclooxygenase-2 (COX-2) inhibitor celecoxib and the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) were each previously shown to prevent skin tumor development when administered throughout the course of UV irradiation. Eflornithine 97-120 ornithine decarboxylase, structural 1 Mus musculus 82-85 12771040-1 2003 The cyclooxygenase-2 (COX-2) inhibitor celecoxib and the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) were each previously shown to prevent skin tumor development when administered throughout the course of UV irradiation. Eflornithine 122-126 prostaglandin-endoperoxide synthase 2 Mus musculus 4-20 12771040-1 2003 The cyclooxygenase-2 (COX-2) inhibitor celecoxib and the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO) were each previously shown to prevent skin tumor development when administered throughout the course of UV irradiation. Eflornithine 122-126 ornithine decarboxylase, structural 1 Mus musculus 57-80 12653645-8 2003 Pharmacological strategies for suppressing ODC (e.g. the enzyme-activated inhibitor alpha-difluoromethylornithine) and activating SSAT (e.g. NSAIDs) are potent inhibitors of intestinal carcinogenesis in rodent models. Eflornithine 84-113 ornithine decarboxylase 1 Homo sapiens 43-46 12730671-0 2003 Chemoprevention of mammary carcinogenesis in a transgenic mouse model by alpha-difluoromethylornithine (DFMO) in the diet is associated with decreased cyclin D1 activity. Eflornithine 73-102 cyclin D1 Mus musculus 151-160 12730671-0 2003 Chemoprevention of mammary carcinogenesis in a transgenic mouse model by alpha-difluoromethylornithine (DFMO) in the diet is associated with decreased cyclin D1 activity. Eflornithine 104-108 cyclin D1 Mus musculus 151-160 12730671-5 2003 Analyses of preneoplastic mammary tissue collected 1 month after DFMO treatment demonstrated that DFMO (10 g/kg diet) significantly increased the ratio of apoptotic to proliferative indices (P=0.013) and significantly reduced the percentage of cells demonstrating nuclear localized cyclin D1 (P=0.013). Eflornithine 98-102 cyclin D1 Mus musculus 282-291 12574162-5 2003 Polyamine depletion with alpha-difluoromethylornithine inhibited the activities of RhoA, Rac1, and Cdc42. Eflornithine 25-54 ras homolog family member A Rattus norvegicus 83-87 12574162-5 2003 Polyamine depletion with alpha-difluoromethylornithine inhibited the activities of RhoA, Rac1, and Cdc42. Eflornithine 25-54 Rac family small GTPase 1 Rattus norvegicus 89-93 12574162-5 2003 Polyamine depletion with alpha-difluoromethylornithine inhibited the activities of RhoA, Rac1, and Cdc42. Eflornithine 25-54 cell division cycle 42 Rattus norvegicus 99-104 12527115-5 2003 When HGF was added to the culture medium, such denuded area was significantly reduced in size compared with the control, but the reduction was inhibited by addition of D,L-alpha-difluoromethylornithine (DFMO), an inhibitor of a rate-limiting enzyme (ornithine decarboxylase) of polyamine biosynthesis, to the culture medium. Eflornithine 168-201 hepatocyte growth factor Oryctolagus cuniculus 5-8 12527115-5 2003 When HGF was added to the culture medium, such denuded area was significantly reduced in size compared with the control, but the reduction was inhibited by addition of D,L-alpha-difluoromethylornithine (DFMO), an inhibitor of a rate-limiting enzyme (ornithine decarboxylase) of polyamine biosynthesis, to the culture medium. Eflornithine 203-207 hepatocyte growth factor Oryctolagus cuniculus 5-8 12529543-7 2003 Application of alpha-difluoromethyl-ornithine (-Orn) and/or alpha-difluoromethyl-arginine (-Arg), irreversible inhibitors of the putrescine biosynthesis enzymes Orn decarboxylase (ODC) and Arg decarboxylase, respectively, prevented growth of unpollinated MA/pat-2 ovaries. Eflornithine 15-45 ornithine decarboxylase Solanum lycopersicum 161-178 12525265-2 2003 In animal models of colon carcinogenesis, inhibition of ODC activity by difluoromethylornithine (DFMO) has been shown to reduce the number and size of colon adenomas and carcinomas. Eflornithine 72-95 ornithine decarboxylase 1 Homo sapiens 56-59 12525265-2 2003 In animal models of colon carcinogenesis, inhibition of ODC activity by difluoromethylornithine (DFMO) has been shown to reduce the number and size of colon adenomas and carcinomas. Eflornithine 97-101 ornithine decarboxylase 1 Homo sapiens 56-59 12856719-1 2003 We have recently shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis reduces pulmonary metastasis from MDA-MB-435 breast cancer xenografts in nude mice. Eflornithine 46-75 ornithine decarboxylase, structural 1 Mus musculus 113-136 12856719-1 2003 We have recently shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis reduces pulmonary metastasis from MDA-MB-435 breast cancer xenografts in nude mice. Eflornithine 46-75 ornithine decarboxylase, structural 1 Mus musculus 138-141 12856719-1 2003 We have recently shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis reduces pulmonary metastasis from MDA-MB-435 breast cancer xenografts in nude mice. Eflornithine 77-81 ornithine decarboxylase, structural 1 Mus musculus 113-136 12856719-1 2003 We have recently shown that administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), the first and rate-limiting enzyme in polyamine (PA) biosynthesis reduces pulmonary metastasis from MDA-MB-435 breast cancer xenografts in nude mice. Eflornithine 77-81 ornithine decarboxylase, structural 1 Mus musculus 138-141 12529543-7 2003 Application of alpha-difluoromethyl-ornithine (-Orn) and/or alpha-difluoromethyl-arginine (-Arg), irreversible inhibitors of the putrescine biosynthesis enzymes Orn decarboxylase (ODC) and Arg decarboxylase, respectively, prevented growth of unpollinated MA/pat-2 ovaries. Eflornithine 15-45 ornithine decarboxylase Solanum lycopersicum 180-183 12438261-8 2002 Consistent with this observation, the polyamine biosynthesis inhibitor alpha-difluoromethylornithine inhibits the ability of MTAP-deficient cells to form colonies in soft agar, whereas addition of the polyamine putrescine stimulates colony formation in MTAP-expressing cells. Eflornithine 71-100 methylthioadenosine phosphorylase Homo sapiens 125-129 12903851-13 2003 For example, a phase II randomized trial of topical DFMO reduced AK number, suppressed polyamines, and reduced p53 protein. Eflornithine 52-56 tumor protein p53 Homo sapiens 111-114 12597149-1 2002 In the present study the chemopreventive activities of DFMO, the irreversible inhibitor of ornithine decarboxylase, and finasteride, the inhibitor of prostatic 5a-reductase, against the development of chemically induced prostate adenocarcinoma by methylnitrosourea/testosterone propionate in male Wistar rats were investigated. Eflornithine 55-59 ornithine decarboxylase 1 Rattus norvegicus 91-114 12441138-1 2002 Accumulation of putrescine in ornithine decarboxylase overproducing cells provokes apoptotic death that is inhibited by 2-difluoromethylornithine, a specific inhibitor of ODC. Eflornithine 120-145 ornithine decarboxylase, structural 1 Mus musculus 30-53 12220664-4 2002 Both ERK and caspase activation were blocked in cells depleted of polyamines by the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 118-147 mitogen-activated protein kinase 1 Mus musculus 5-8 12374678-2 2002 DFMO is an irreversible inhibitor of ornithine decarboxylase, the limiting enzyme of polyamine synthesis that is often up-regulated in breast cancer. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 12220664-4 2002 Both ERK and caspase activation were blocked in cells depleted of polyamines by the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 118-147 ornithine decarboxylase, structural 1 Mus musculus 84-107 12220664-4 2002 Both ERK and caspase activation were blocked in cells depleted of polyamines by the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 149-153 mitogen-activated protein kinase 1 Mus musculus 5-8 12220664-4 2002 Both ERK and caspase activation were blocked in cells depleted of polyamines by the ornithine decarboxylase inhibitor alpha-difluoromethylornithine (DFMO). Eflornithine 149-153 ornithine decarboxylase, structural 1 Mus musculus 84-107 12220664-5 2002 In etoposide-treated cells, DFMO also abolished phosphorylation of c-Jun NH(2)-terminal kinases triggered by the drug. Eflornithine 28-32 jun proto-oncogene Mus musculus 67-72 12220664-7 2002 Ornithine decarboxylase activity decreased after etoposide, indicating that DFMO exerts its effect by depleting cellular polyamines before induction of apoptosis. Eflornithine 76-80 ornithine decarboxylase, structural 1 Mus musculus 0-23 12189186-6 2002 Calcium chloride, DFMO, piroxicam and sulindac administered for 7 days decreased the mitotic index and reduced the protein and mRNA levels of c-myc in colon tumors. Eflornithine 18-22 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 142-147 12176729-6 2002 Polyamine depletion by alpha-difluoromethylornithine reduced cytoplasmic free Ca(2+) concentration ([Ca(2+)](cyt)), prevented induction of beta-catenin phosphorylation, and decreased cell migration. Eflornithine 23-52 catenin beta 1 Homo sapiens 139-151 12189186-7 2002 Calcium chloride, DFMO and piroxicam increased the protein and mRNA levels of p16 and along with sulindac increased the protein level of p27, but not its mRNA. Eflornithine 18-22 cyclin-dependent kinase inhibitor 2A Rattus norvegicus 78-81 12189186-7 2002 Calcium chloride, DFMO and piroxicam increased the protein and mRNA levels of p16 and along with sulindac increased the protein level of p27, but not its mRNA. Eflornithine 18-22 cyclin-dependent kinase inhibitor 1B Rattus norvegicus 137-140 12198703-6 2002 RESULTS: Depletion of cellular polyamines by DL-alpha-difluoromethylornithine (DFMO) induced levels of JunD mRNA and protein, which was associated with an increase in G(1) phase growth arrest. Eflornithine 45-77 JunD proto-oncogene, AP-1 transcription factor subunit Homo sapiens 103-107 12198703-6 2002 RESULTS: Depletion of cellular polyamines by DL-alpha-difluoromethylornithine (DFMO) induced levels of JunD mRNA and protein, which was associated with an increase in G(1) phase growth arrest. Eflornithine 79-83 JunD proto-oncogene, AP-1 transcription factor subunit Homo sapiens 103-107 12198703-10 2002 Treatment with JunD antisense oligomers inhibited the p21 promoter and prevented the increase in p21 expression in the presence of DFMO. Eflornithine 131-135 JunD proto-oncogene, AP-1 transcription factor subunit Homo sapiens 15-19 12198703-10 2002 Treatment with JunD antisense oligomers inhibited the p21 promoter and prevented the increase in p21 expression in the presence of DFMO. Eflornithine 131-135 H3 histone pseudogene 16 Homo sapiens 97-100 12452334-2 2002 We also examined the effects of spermidine and difluoromethylornithine (DFMO: a specific inhibitor of ODC) on the systolic blood pressure and ODC protein expression in SS rats fed a high salt diet. Eflornithine 72-76 ornithine decarboxylase 1 Rattus norvegicus 142-145 12452334-8 2002 Spermidine down-regulated and DFMO up-regulated renal ODC protein in SS rats on a high salt diet. Eflornithine 30-34 ornithine decarboxylase 1 Rattus norvegicus 54-57 12105848-3 2002 METHODS: Polyamines were depleted in intestinal epithelial cell (IEC)-6 cells by incubating them for 4 days with 5 mmol/L alpha-difluoromethylornithine (DFMO), which inhibits ornithine decarboxylase, the first rate-limiting enzyme in the synthesis of polyamines. Eflornithine 122-151 ornithine decarboxylase 1 Rattus norvegicus 175-198 12223177-9 2002 These observations confirm previous findings that DFMO and NO interfere with RASMC proliferation by inhibiting ODC and polyamine production and provide evidence that nebivolol works by the same mechanism. Eflornithine 50-54 ornithine decarboxylase 1 Homo sapiens 111-114 12457568-6 2002 Depletion of polyamines by DL-alpha-difluoromethylornithine (DFMO) treatment caused an induction of COX-2 mRNA steady-state levels. Eflornithine 27-59 prostaglandin-endoperoxide synthase 2 Homo sapiens 100-105 12457568-6 2002 Depletion of polyamines by DL-alpha-difluoromethylornithine (DFMO) treatment caused an induction of COX-2 mRNA steady-state levels. Eflornithine 61-65 prostaglandin-endoperoxide synthase 2 Homo sapiens 100-105 12467913-8 2002 However, these effects were abrogated by the addition of the ODC inhibitor, DL-alpha-difluoromethyl-ornithine (DFMO). Eflornithine 76-109 ornithine decarboxylase 1 Rattus norvegicus 61-64 12467913-8 2002 However, these effects were abrogated by the addition of the ODC inhibitor, DL-alpha-difluoromethyl-ornithine (DFMO). Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 61-64 12105848-11 2002 In the presence of DFMO, the HA-V14-RhoA cells lost stress fibers and gained the appearance of HA-N19-RhoA cells or wild-type cells treated with DFMO. Eflornithine 19-23 ras homolog family member A Rattus norvegicus 36-40 12105848-11 2002 In the presence of DFMO, the HA-V14-RhoA cells lost stress fibers and gained the appearance of HA-N19-RhoA cells or wild-type cells treated with DFMO. Eflornithine 19-23 ras homolog family member A Rattus norvegicus 102-106 12105848-11 2002 In the presence of DFMO, the HA-V14-RhoA cells lost stress fibers and gained the appearance of HA-N19-RhoA cells or wild-type cells treated with DFMO. Eflornithine 145-149 ras homolog family member A Rattus norvegicus 36-40 12089346-7 2002 We also found that GR1P1 and DRIP205 synergistically activated HNF4alpha-mediated transcription and that a specific inhibitor of polyamine biosynthesis, alpha-difluoromethylornithine (DFMO), decreased the ability of HNF4alpha to activate transcription in vivo. Eflornithine 153-182 hepatocyte nuclear factor 4 alpha Homo sapiens 216-225 12089346-7 2002 We also found that GR1P1 and DRIP205 synergistically activated HNF4alpha-mediated transcription and that a specific inhibitor of polyamine biosynthesis, alpha-difluoromethylornithine (DFMO), decreased the ability of HNF4alpha to activate transcription in vivo. Eflornithine 184-188 mediator complex subunit 1 Homo sapiens 29-36 12089346-7 2002 We also found that GR1P1 and DRIP205 synergistically activated HNF4alpha-mediated transcription and that a specific inhibitor of polyamine biosynthesis, alpha-difluoromethylornithine (DFMO), decreased the ability of HNF4alpha to activate transcription in vivo. Eflornithine 184-188 hepatocyte nuclear factor 4 alpha Homo sapiens 63-72 12089346-7 2002 We also found that GR1P1 and DRIP205 synergistically activated HNF4alpha-mediated transcription and that a specific inhibitor of polyamine biosynthesis, alpha-difluoromethylornithine (DFMO), decreased the ability of HNF4alpha to activate transcription in vivo. Eflornithine 184-188 hepatocyte nuclear factor 4 alpha Homo sapiens 216-225 11997243-6 2002 We inhibited ornithine decarboxylase, the first rate-limiting enzyme in polyamine synthesis, with alpha-difluoromethylornithine (DFMO) to deplete cells of polyamines. Eflornithine 98-127 ornithine decarboxylase 1 Rattus norvegicus 13-36 11997243-6 2002 We inhibited ornithine decarboxylase, the first rate-limiting enzyme in polyamine synthesis, with alpha-difluoromethylornithine (DFMO) to deplete cells of polyamines. Eflornithine 129-133 ornithine decarboxylase 1 Rattus norvegicus 13-36 11997243-10 2002 The expression of antiapoptotic proteins Bcl-x(L) and Bcl-2 was increased in DFMO-treated cells. Eflornithine 77-81 Bcl2-like 1 Rattus norvegicus 41-49 11997243-10 2002 The expression of antiapoptotic proteins Bcl-x(L) and Bcl-2 was increased in DFMO-treated cells. Eflornithine 77-81 BCL2, apoptosis regulator Rattus norvegicus 54-59 12054570-2 2002 Our results show that blockade of the preovulatory rise of ovarian ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by treatment with the specific inhibitor alpha-difluoromethylornithine (DFMO) leads to a significant decrease in the ovarian progesterone content and a dramatic fall in the plasma levels of this hormone during the following diestrus. Eflornithine 179-208 ornithine decarboxylase, structural 1 Mus musculus 67-90 11972386-1 2002 OBJECTIVE: Difluoromethylornithine(DFMO), an irreversible inhibitor of ornithine decarboxylase and an angiogenesis inhibitor, has been used in phase I cervical intraepithelial neoplasia (CIN) trials, producing a 50% regression of CIN 3 lesions. Eflornithine 11-34 ornithine decarboxylase 1 Homo sapiens 71-94 11972386-1 2002 OBJECTIVE: Difluoromethylornithine(DFMO), an irreversible inhibitor of ornithine decarboxylase and an angiogenesis inhibitor, has been used in phase I cervical intraepithelial neoplasia (CIN) trials, producing a 50% regression of CIN 3 lesions. Eflornithine 35-39 ornithine decarboxylase 1 Homo sapiens 71-94 12054570-2 2002 Our results show that blockade of the preovulatory rise of ovarian ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by treatment with the specific inhibitor alpha-difluoromethylornithine (DFMO) leads to a significant decrease in the ovarian progesterone content and a dramatic fall in the plasma levels of this hormone during the following diestrus. Eflornithine 179-208 ornithine decarboxylase, structural 1 Mus musculus 92-95 12054570-2 2002 Our results show that blockade of the preovulatory rise of ovarian ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by treatment with the specific inhibitor alpha-difluoromethylornithine (DFMO) leads to a significant decrease in the ovarian progesterone content and a dramatic fall in the plasma levels of this hormone during the following diestrus. Eflornithine 210-214 ornithine decarboxylase, structural 1 Mus musculus 67-90 12054570-2 2002 Our results show that blockade of the preovulatory rise of ovarian ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, by treatment with the specific inhibitor alpha-difluoromethylornithine (DFMO) leads to a significant decrease in the ovarian progesterone content and a dramatic fall in the plasma levels of this hormone during the following diestrus. Eflornithine 210-214 ornithine decarboxylase, structural 1 Mus musculus 92-95 11911991-12 2002 alpha-Difluoromethylornithine (a specific and irreversible inhibitor of ornithine decarboxylase) decreases PUT and SPD, increased SPM and AGM remain unchanged in the hypothalamus and pituitary. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 72-95 11801552-10 2002 In skin biopsies from the same study, we demonstrate that topical DFMO significantly reduces the percentage of p53-positive cells (22%; P = 0.04); however, there were no significant changes in proliferating cell nuclear antigen or apoptotic indices, or in the frequency of p53 mutations (25% at baseline, 21% after placebo, and 26% after DFMO). Eflornithine 66-70 tumor protein p53 Homo sapiens 111-114 11888902-0 2002 Suppression of UV carcinogenesis by difluoromethylornithine in nucleotide excision repair-deficient Xpa knockout mice. Eflornithine 36-59 xeroderma pigmentosum, complementation group A Mus musculus 100-103 11888902-6 2002 To simulate the situation in XPA patients, we used a hairless Xpa knockout mouse model and down-regulated the ODC activity by difluoromethylornithine (DFMO) administered in the drinking water. Eflornithine 126-149 XPA, DNA damage recognition and repair factor Homo sapiens 62-65 11888902-6 2002 To simulate the situation in XPA patients, we used a hairless Xpa knockout mouse model and down-regulated the ODC activity by difluoromethylornithine (DFMO) administered in the drinking water. Eflornithine 126-149 ornithine decarboxylase, structural 1 Mus musculus 110-113 11888902-6 2002 To simulate the situation in XPA patients, we used a hairless Xpa knockout mouse model and down-regulated the ODC activity by difluoromethylornithine (DFMO) administered in the drinking water. Eflornithine 151-155 XPA, DNA damage recognition and repair factor Homo sapiens 29-32 11888902-6 2002 To simulate the situation in XPA patients, we used a hairless Xpa knockout mouse model and down-regulated the ODC activity by difluoromethylornithine (DFMO) administered in the drinking water. Eflornithine 151-155 XPA, DNA damage recognition and repair factor Homo sapiens 62-65 11888902-6 2002 To simulate the situation in XPA patients, we used a hairless Xpa knockout mouse model and down-regulated the ODC activity by difluoromethylornithine (DFMO) administered in the drinking water. Eflornithine 151-155 ornithine decarboxylase, structural 1 Mus musculus 110-113 11888902-9 2002 Late-stage DFMO treatment significantly reduced the number of carcinomas by a factor of 2-3, and it appeared to select for carcinomas with high ODC activity. Eflornithine 11-15 ornithine decarboxylase 1 Homo sapiens 144-147 11853879-7 2002 Irreversible inhibition of ODC with the active site-directed inhibitor alpha-difluoromethylornithine (DFMO) did not block TPA-mediated inhibition of tyr. Eflornithine 102-106 ornithine decarboxylase, structural 1 Mus musculus 27-30 11853879-8 2002 Conversely, prolonged treatment of B16 cells with DFMO stimulated tyr activity by a posttranslational mechanism, probably requiring polyamine depletion. Eflornithine 50-54 tyrosinase Mus musculus 66-69 11853879-9 2002 Combination treatment with alphaMSH and DFMO synergistically activated tyr. Eflornithine 40-44 tyrosinase Mus musculus 71-74 11782361-6 2002 Treatment with the ODC enzyme inhibitor alpha-difluoromethylornithine, which results in regression of ODC/Ras tumors, reverses the effects on HAT and deacetylase enzyme function, implicating polyamine biosynthesis in the regulation of histone acetylation. Eflornithine 40-69 ornithine decarboxylase, structural 1 Mus musculus 19-22 11782361-6 2002 Treatment with the ODC enzyme inhibitor alpha-difluoromethylornithine, which results in regression of ODC/Ras tumors, reverses the effects on HAT and deacetylase enzyme function, implicating polyamine biosynthesis in the regulation of histone acetylation. Eflornithine 40-69 ornithine decarboxylase, structural 1 Mus musculus 102-105 11801552-3 2002 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, suppresses increased polyamine synthesis and inhibits tumors in models of skin carcinogenesis. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 61-84 11801552-3 2002 Difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, suppresses increased polyamine synthesis and inhibits tumors in models of skin carcinogenesis. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 61-84 11883715-0 2002 Inhibition of placental ornithine decarboxylase by DL-alpha-difluoro-methyl ornithine causes fetal growth restriction in rat. Eflornithine 51-85 ornithine decarboxylase 1 Rattus norvegicus 24-47 11883715-2 2002 The DL-alpha-difluoromethyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) which is a rate limiting enzyme of polyamine synthesis was administrated to pregnant rats so that we obtained rat fetuses with IUGR. Eflornithine 4-37 ornithine decarboxylase 1 Rattus norvegicus 75-98 11883715-2 2002 The DL-alpha-difluoromethyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) which is a rate limiting enzyme of polyamine synthesis was administrated to pregnant rats so that we obtained rat fetuses with IUGR. Eflornithine 4-37 ornithine decarboxylase 1 Rattus norvegicus 100-103 11883715-2 2002 The DL-alpha-difluoromethyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) which is a rate limiting enzyme of polyamine synthesis was administrated to pregnant rats so that we obtained rat fetuses with IUGR. Eflornithine 39-43 ornithine decarboxylase 1 Rattus norvegicus 75-98 11883715-2 2002 The DL-alpha-difluoromethyl ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC) which is a rate limiting enzyme of polyamine synthesis was administrated to pregnant rats so that we obtained rat fetuses with IUGR. Eflornithine 39-43 ornithine decarboxylase 1 Rattus norvegicus 100-103 11883715-7 2002 Depression of ODC activity in the placenta may be the major cause of IUGR induced by DFMO administration, and polyamines play important roles to carry pregnancy. Eflornithine 85-89 ornithine decarboxylase 1 Rattus norvegicus 14-17 11853879-7 2002 Irreversible inhibition of ODC with the active site-directed inhibitor alpha-difluoromethylornithine (DFMO) did not block TPA-mediated inhibition of tyr. Eflornithine 71-100 ornithine decarboxylase, structural 1 Mus musculus 27-30 12444804-11 2002 A novel treatment for slowing excessive hair growth is topical eflornithine, an inhibitor of the enzyme ornithine decarboxylase present in hair follicles that is important in hair growth. Eflornithine 63-75 ornithine decarboxylase 1 Homo sapiens 104-127 12025870-13 2002 Inhibitors of ODC, like alpha-difluoromethylornithine (DFMO) have long been used for cancer prevention and therapy. Eflornithine 24-53 ornithine decarboxylase 1 Homo sapiens 14-17 12025870-13 2002 Inhibitors of ODC, like alpha-difluoromethylornithine (DFMO) have long been used for cancer prevention and therapy. Eflornithine 55-59 ornithine decarboxylase 1 Homo sapiens 14-17 11876528-0 2002 The ornithine decarboxylase inhibitor, difluoromethylornithine, inhibits casein kinase II activity, c-Myc expression and normal human keratinocyte proliferation. Eflornithine 39-62 ornithine decarboxylase 1 Homo sapiens 4-27 11876528-0 2002 The ornithine decarboxylase inhibitor, difluoromethylornithine, inhibits casein kinase II activity, c-Myc expression and normal human keratinocyte proliferation. Eflornithine 39-62 MYC proto-oncogene, bHLH transcription factor Homo sapiens 100-105 11964084-3 2002 Administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, significantly reduced, in a dose-dependent manner, the invasiveness in matrigel of both MDA-MB-435 and MDA-MB-231 cells by approximately 70%. Eflornithine 18-47 ornithine decarboxylase 1 Homo sapiens 85-88 11964084-3 2002 Administration of alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, significantly reduced, in a dose-dependent manner, the invasiveness in matrigel of both MDA-MB-435 and MDA-MB-231 cells by approximately 70%. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 85-88 12021483-8 2002 Simultaneously administered alpha-difluoromethylornithine significantly (p < 0.005) abolished the IGF-I-induced trophic effects in small intestine and spleen. Eflornithine 28-57 insulin-like growth factor 1 Rattus norvegicus 101-106 11922393-8 2002 Pretreatment with the ODC inhibitor DFMO, followed by addition of Dex, enhances steroid-evoked kill slightly. Eflornithine 36-40 ornithine decarboxylase 1 Homo sapiens 22-25 12458962-5 2002 The compound has anticancer and contragestational effects, and it improves the anticancer effect of the ornithine decarboxylase inactivator (D,L)-2-(difluoromethyl)ornithine (DFMO). Eflornithine 175-179 ornithine decarboxylase 1 Homo sapiens 104-127 11736657-6 2001 ODC activity was completely and irreversibly inhibited by alpha-difluoromethylornithine (K(i) 1.15 microM), showing a competitive inhibition pattern. Eflornithine 58-87 ornithine decarboxylase 1 Homo sapiens 0-3 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 39-68 ornithine decarboxylase 1 Rattus norvegicus 32-35 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 39-68 NFKB inhibitor alpha Rattus norvegicus 246-261 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 70-74 ornithine decarboxylase 1 Rattus norvegicus 32-35 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 70-74 NFKB inhibitor alpha Rattus norvegicus 246-261 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 191-195 ornithine decarboxylase 1 Rattus norvegicus 32-35 11590175-5 2001 We found that the inhibition of ODC by alpha-difluoromethylornithine (DFMO) resulted in a approximately 50% decrease in intracellular putrescine levels within 1 h. NF-kappa B is activated by DFMO through the degradation of the inhibitory protein I kappa B alpha that sequesters NF-kappa B in the cytoplasm. Eflornithine 191-195 NFKB inhibitor alpha Rattus norvegicus 246-261 11590175-6 2001 The DFMO-induced NF-kappa B complexes contain the p65 and p50 members of the Rel protein family. Eflornithine 4-8 synaptotagmin 1 Rattus norvegicus 50-53 11590175-7 2001 DFMO-induced NF-kappa B activation was accompanied by the translocation of p65 from the cytoplasm into the nucleus. Eflornithine 0-4 synaptotagmin 1 Rattus norvegicus 75-78 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 133-162 ornithine decarboxylase 1 Homo sapiens 61-84 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 133-162 ornithine decarboxylase 1 Homo sapiens 86-89 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 133-162 ornithine decarboxylase 1 Homo sapiens 183-186 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 164-168 ornithine decarboxylase 1 Homo sapiens 61-84 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 164-168 ornithine decarboxylase 1 Homo sapiens 86-89 11728444-1 2001 Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of alpha-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. Eflornithine 164-168 ornithine decarboxylase 1 Homo sapiens 183-186 11691789-3 2001 Treatment of MALME-3M cells with either the ornithine decarboxylase inhibitor alpha-difluoromethylornithine or the S-adenosylmethionine decarboxylase inhibitor MDL-73811 lowered specific polyamine pools and slowed cell growth but did not induce cell cycle arrest. Eflornithine 78-107 ornithine decarboxylase 1 Homo sapiens 44-67 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 67-96 adenosylmethionine decarboxylase 1 Homo sapiens 129-163 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 67-96 adenosylmethionine decarboxylase 1 Homo sapiens 165-170 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 67-96 ornithine decarboxylase 1 Homo sapiens 202-205 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 98-102 adenosylmethionine decarboxylase 1 Homo sapiens 129-163 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 98-102 adenosylmethionine decarboxylase 1 Homo sapiens 165-170 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 98-102 ornithine decarboxylase 1 Homo sapiens 177-200 11698350-3 2001 In order to further explore this possibility, we used SAM-486A and alpha-difluoromethylornithine (DFMO), which are inhibitors of S-adenosylmethionine decarboxylase (SAMDC), and ornithine decarboxylase (ODC), respectively, either alone or in combination to reduce the intracellular polyamine levels. Eflornithine 98-102 ornithine decarboxylase 1 Homo sapiens 202-205 11698350-5 2001 We observed that both SAM-486A and DFMO, either alone or in combination, inhibited cell proliferation, induced p21 and arrested cells in the G(0)-G(1) phase of the cell cycle but failed to activate caspase-3 as assessed by enzymatic assay of caspase-3, western blot analysis of the proteolytic cleavage of caspase-3 protein as well as TUNEL assay. Eflornithine 35-39 H3 histone pseudogene 16 Homo sapiens 111-114 11698350-5 2001 We observed that both SAM-486A and DFMO, either alone or in combination, inhibited cell proliferation, induced p21 and arrested cells in the G(0)-G(1) phase of the cell cycle but failed to activate caspase-3 as assessed by enzymatic assay of caspase-3, western blot analysis of the proteolytic cleavage of caspase-3 protein as well as TUNEL assay. Eflornithine 35-39 caspase 3 Homo sapiens 242-251 11698350-5 2001 We observed that both SAM-486A and DFMO, either alone or in combination, inhibited cell proliferation, induced p21 and arrested cells in the G(0)-G(1) phase of the cell cycle but failed to activate caspase-3 as assessed by enzymatic assay of caspase-3, western blot analysis of the proteolytic cleavage of caspase-3 protein as well as TUNEL assay. Eflornithine 35-39 caspase 3 Homo sapiens 242-251 11698350-6 2001 Furthermore, pre-incubation of the cells with SAM-486A and DFMO for 4 days, either alone or in combination significantly inhibited the activation of caspase-3 and apoptosis by NOHA when compared with that observed with cells treated with NOHA alone. Eflornithine 59-63 caspase 3 Homo sapiens 149-158 11592976-2 2001 NO, like alpha-difluoromethylornithine (DFMO), interferes with cell proliferation by inhibiting ornithine decarboxylase (ODC) and, therefore, polyamine synthesis. Eflornithine 9-38 ornithine decarboxylase 1 Rattus norvegicus 96-119 11592976-2 2001 NO, like alpha-difluoromethylornithine (DFMO), interferes with cell proliferation by inhibiting ornithine decarboxylase (ODC) and, therefore, polyamine synthesis. Eflornithine 9-38 ornithine decarboxylase 1 Rattus norvegicus 121-124 11592976-2 2001 NO, like alpha-difluoromethylornithine (DFMO), interferes with cell proliferation by inhibiting ornithine decarboxylase (ODC) and, therefore, polyamine synthesis. Eflornithine 40-44 ornithine decarboxylase 1 Rattus norvegicus 96-119 11592976-2 2001 NO, like alpha-difluoromethylornithine (DFMO), interferes with cell proliferation by inhibiting ornithine decarboxylase (ODC) and, therefore, polyamine synthesis. Eflornithine 40-44 ornithine decarboxylase 1 Rattus norvegicus 121-124 11592976-4 2001 The cytostatic effect of NO and DFMO was prevented by the MAPK kinase 1/2 inhibitors PD 098,059 or U0126. Eflornithine 32-36 mitogen activated protein kinase 3 Rattus norvegicus 58-62 11592976-6 2001 Western blot analysis revealed that treatment of RASMC with NO or DFMO leads to activation of p42/p44 MAPK and induction of p21(waf1/cip1). Eflornithine 66-70 mitogen activated protein kinase 3 Rattus norvegicus 98-106 11592976-6 2001 Western blot analysis revealed that treatment of RASMC with NO or DFMO leads to activation of p42/p44 MAPK and induction of p21(waf1/cip1). Eflornithine 66-70 cyclin-dependent kinase inhibitor 1A Rattus norvegicus 124-137 11592976-8 2001 Moreover, activation of p42/p44 and induction of p21(waf1/cip1) were prevented by exogenous putrescine but not ornithine, suggesting this effect was due to the inhibition of ODC by NO or DFMO. Eflornithine 187-191 cyclin-dependent kinase inhibitor 1A Rattus norvegicus 49-62 11592976-8 2001 Moreover, activation of p42/p44 and induction of p21(waf1/cip1) were prevented by exogenous putrescine but not ornithine, suggesting this effect was due to the inhibition of ODC by NO or DFMO. Eflornithine 187-191 ornithine decarboxylase 1 Rattus norvegicus 174-177 11592976-11 2001 These observations suggest that inhibition of ODC and accompanying putrescine production are the underlying mechanisms by which NO and DFMO activate the MAPK pathway to promote induction of p21(waf1/cip1) and consequent inhibition of cell proliferation. Eflornithine 135-139 ornithine decarboxylase 1 Rattus norvegicus 46-49 11592976-11 2001 These observations suggest that inhibition of ODC and accompanying putrescine production are the underlying mechanisms by which NO and DFMO activate the MAPK pathway to promote induction of p21(waf1/cip1) and consequent inhibition of cell proliferation. Eflornithine 135-139 mitogen activated protein kinase 3 Rattus norvegicus 153-157 11592976-11 2001 These observations suggest that inhibition of ODC and accompanying putrescine production are the underlying mechanisms by which NO and DFMO activate the MAPK pathway to promote induction of p21(waf1/cip1) and consequent inhibition of cell proliferation. Eflornithine 135-139 cyclin-dependent kinase inhibitor 1A Rattus norvegicus 190-203 11801552-10 2002 In skin biopsies from the same study, we demonstrate that topical DFMO significantly reduces the percentage of p53-positive cells (22%; P = 0.04); however, there were no significant changes in proliferating cell nuclear antigen or apoptotic indices, or in the frequency of p53 mutations (25% at baseline, 21% after placebo, and 26% after DFMO). Eflornithine 66-70 tumor protein p53 Homo sapiens 273-276 11801552-11 2002 We conclude that inhibition of the premalignant AK lesions as well as a reduction in the expression of p53 and in spermidine concentrations may serve as surrogate endpoint biomarkers of DFMO and possibly other topically administered skin cancer chemopreventive agents. Eflornithine 186-190 tumor protein p53 Homo sapiens 103-106 11502571-6 2001 Depletion of cellular polyamines by treatment with alpha-difluoromethylornithine (DFMO) increased p53 gene expression and caused growth inhibition in the intact small intestinal mucosa and the cultured cells. Eflornithine 51-80 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 98-101 11502571-6 2001 Depletion of cellular polyamines by treatment with alpha-difluoromethylornithine (DFMO) increased p53 gene expression and caused growth inhibition in the intact small intestinal mucosa and the cultured cells. Eflornithine 82-86 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 98-101 11502571-8 2001 Induction of p53 mRNA levels in DFMO-treated cells was paralleled by an increase in the rate of newly synthesized p53 protein. Eflornithine 32-36 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 13-16 11549581-12 2001 Oral consumption of alpha-difluoromethylornithine, an irreversible specific inhibitor of ODC, in the drinking water (1% w/v) to the transgenic mice resulted in complete prevention of UVB-mediated tumorigenesis and a substantial decrease in the formation of pigmented cysts (<10 per mouse). Eflornithine 20-49 ornithine decarboxylase, structural 1 Mus musculus 89-92 11502571-8 2001 Induction of p53 mRNA levels in DFMO-treated cells was paralleled by an increase in the rate of newly synthesized p53 protein. Eflornithine 32-36 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 114-117 11502571-11 2001 Inhibition of the p53 gene expression by using p53 antisense oligodeoxyribonucleotides significantly promoted cell growth in the presence of DFMO. Eflornithine 141-145 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 18-21 11502571-11 2001 Inhibition of the p53 gene expression by using p53 antisense oligodeoxyribonucleotides significantly promoted cell growth in the presence of DFMO. Eflornithine 141-145 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 47-50 11688517-3 2001 To further explore the interaction between the polyamine pathway and EGF/HER-2neu signalling in this system, we inhibited endogenous ODC activity with alpha-difluoromethylornithine (DFMO) and assessed the effects of this blockade on the expression of EGF receptors (EGFR) and HER-2neu as well as activation of downstream EGF target genes. Eflornithine 151-180 ornithine decarboxylase 1 Homo sapiens 133-136 11598794-6 2001 Moreover we show that alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzymatic activity, effectively reduces, while exogenous added polyamines enhance apoptosis in starved cells. Eflornithine 22-51 ornithine decarboxylase 1 Homo sapiens 89-92 11598794-6 2001 Moreover we show that alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC enzymatic activity, effectively reduces, while exogenous added polyamines enhance apoptosis in starved cells. Eflornithine 53-57 ornithine decarboxylase 1 Homo sapiens 89-92 11688517-0 2001 Effect of alpha-difluoromethyl-ornithine on the expression and function of the epidermal growth factor receptor in human breast epithelial cells in culture. Eflornithine 10-40 epidermal growth factor receptor Homo sapiens 79-111 11688517-3 2001 To further explore the interaction between the polyamine pathway and EGF/HER-2neu signalling in this system, we inhibited endogenous ODC activity with alpha-difluoromethylornithine (DFMO) and assessed the effects of this blockade on the expression of EGF receptors (EGFR) and HER-2neu as well as activation of downstream EGF target genes. Eflornithine 182-186 ornithine decarboxylase 1 Homo sapiens 133-136 11688517-4 2001 We found that DFMO administration to MCF-10A cells increased EGF-R mRNA and protein levels in a dose-response fashion, while HER-2neu expression was not affected. Eflornithine 14-18 epidermal growth factor Homo sapiens 61-64 11688517-6 2001 Our results also indicated that the increase in EGFR induced by DFMO was not a non-specific consequence of inhibition of cell proliferation. Eflornithine 64-68 epidermal growth factor receptor Homo sapiens 48-52 11688517-8 2001 We propose that physiologic levels of ODC activity may be critical for regulation of a yet undefined signalling pathway, whose blockade by DFMO leads to a compensatory increase in functional EGFR. Eflornithine 139-143 ornithine decarboxylase 1 Homo sapiens 38-41 11688517-8 2001 We propose that physiologic levels of ODC activity may be critical for regulation of a yet undefined signalling pathway, whose blockade by DFMO leads to a compensatory increase in functional EGFR. Eflornithine 139-143 epidermal growth factor receptor Homo sapiens 191-195 11430920-6 2001 Incubation in the organ bath with an inhibitor of ornithine decarboxylase activity, alpha-difluoromethylornithine 10 mM, significantly decreased the positive inotropism induced by 5alpha- and 5beta-dihydrotestosterone (0.1-100 microM). Eflornithine 84-113 ornithine decarboxylase 1 Rattus norvegicus 50-73 11292609-5 2001 In contrast, polyamine depletion by DFMO promoted resistance to apoptotic cell death induced by the combination of tumor necrosis factor-alpha (TNF-alpha) and cycloheximide. Eflornithine 36-40 tumor necrosis factor Rattus norvegicus 115-142 11331080-8 2001 DL-alpha-difluoromethyl-ornithine repressed the [3H]thymidine incorporation and ODC activity induced by ASCE. Eflornithine 0-33 ornithine decarboxylase 1 Rattus norvegicus 80-83 11401916-4 2001 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), is a known experimental cancer prevention agent that is being evaluated in a number of human cancer prevention trials. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 55-78 11401916-4 2001 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), is a known experimental cancer prevention agent that is being evaluated in a number of human cancer prevention trials. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 80-83 11401916-4 2001 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), is a known experimental cancer prevention agent that is being evaluated in a number of human cancer prevention trials. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 55-78 11401916-4 2001 Difluoromethylornithine (DFMO), a suicide inhibitor of ornithine decarboxylase (ODC), is a known experimental cancer prevention agent that is being evaluated in a number of human cancer prevention trials. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 80-83 11292609-5 2001 In contrast, polyamine depletion by DFMO promoted resistance to apoptotic cell death induced by the combination of tumor necrosis factor-alpha (TNF-alpha) and cycloheximide. Eflornithine 36-40 tumor necrosis factor Rattus norvegicus 144-153 11245616-3 2001 Depletion of cellular polyamines by alpha-difluoromethylornithine (DFMO) reduced whole cell K+ currents [I(K(v))] through Kv channels and caused membrane depolarization, which was associated with decreases in ([Ca2+](cyt)), RhoA protein, and cell migration. Eflornithine 67-71 ras homolog family member A Rattus norvegicus 224-228 11245616-4 2001 Exogenous polyamine spermidine reversed the effects of DFMO on I(K(v)), E(m), ([Ca2+](cyt)), and RhoA protein and restored cell migration to normal. Eflornithine 55-59 ras homolog family member A Rattus norvegicus 97-101 11259671-5 2001 The cytostatic action of the NO donor agents as well as alpha-difluoromethylornithine (DFMO), a known ODC inhibitor, was prevented by addition of putrescine but not ornithine. Eflornithine 56-85 ornithine decarboxylase 1 Homo sapiens 102-105 11408253-3 2001 Cells were grown in the presence or absence of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, the first rate-limiting enzyme in the synthesis of polyamines. Eflornithine 47-76 ornithine decarboxylase 1 Rattus norvegicus 109-132 11303587-9 2001 Importantly, DFMO-treated ZD esophagi display increased rate of apoptosis accompanied by intense bax expression and greatly reduced cell proliferation by proliferating cell nuclear antigen expression. Eflornithine 13-17 BCL2 associated X, apoptosis regulator Rattus norvegicus 97-100 11408253-3 2001 Cells were grown in the presence or absence of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, the first rate-limiting enzyme in the synthesis of polyamines. Eflornithine 78-82 ornithine decarboxylase 1 Rattus norvegicus 109-132 11408253-10 2001 However, the activity of Cdk2 was significantly inhibited by DFMO in IEC-6 cells. Eflornithine 61-65 cyclin dependent kinase 2 Rattus norvegicus 25-29 11303587-1 2001 Alpha-difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the first enzyme in polyamine synthesis. Eflornithine 0-29 ornithine decarboxylase 1 Rattus norvegicus 69-92 11259671-5 2001 The cytostatic action of the NO donor agents as well as alpha-difluoromethylornithine (DFMO), a known ODC inhibitor, was prevented by addition of putrescine but not ornithine. Eflornithine 87-91 ornithine decarboxylase 1 Homo sapiens 102-105 11259671-6 2001 These observations suggested that NO, like DFMO, may directly inhibit ODC. Eflornithine 43-47 ornithine decarboxylase 1 Homo sapiens 70-73 11303587-10 2001 In addition, the p16(ink4a)/retinoblastoma control at G1 to S, deregulated in ZD esophagi, is restored after DFMO treatment. Eflornithine 109-113 cyclin-dependent kinase inhibitor 2A Rattus norvegicus 17-20 11303587-1 2001 Alpha-difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the first enzyme in polyamine synthesis. Eflornithine 31-35 ornithine decarboxylase 1 Rattus norvegicus 69-92 11303587-10 2001 In addition, the p16(ink4a)/retinoblastoma control at G1 to S, deregulated in ZD esophagi, is restored after DFMO treatment. Eflornithine 109-113 cyclin-dependent kinase inhibitor 2A Rattus norvegicus 21-26 11142412-1 2000 Alpha-2-(Difluoromethyl)-dl-ornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase, has been shown to suppress skin carcinogenesis in murine models after oral or topical administration. Eflornithine 39-43 ornithine decarboxylase, structural 1 Mus musculus 75-98 11222476-8 2001 Furthermore, the formation of putrescine was inhibited by the ODC inhibitor alpha-difluoromethylornithine, and L-proline generation was blocked by the OAT inhibitor L-canaline. Eflornithine 76-105 ornithine decarboxylase 1 Homo sapiens 62-65 11160858-8 2001 However, the spermine-deficient cells were significantly more sensitive to the growth inhibition exerted by 2-difluoromethylornithine, an inhibitor of ornithine decarboxylase. Eflornithine 108-133 ornithine decarboxylase, structural 1 Mus musculus 151-174 11162600-0 2001 p53 independent G(1) arrest induced by DL-alpha-difluoromethylornithine. Eflornithine 39-71 tumor protein p53 Homo sapiens 0-3 11162600-2 2001 DL-alpha-Difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, inhibits cell growth. Eflornithine 0-32 ornithine decarboxylase 1 Homo sapiens 66-69 11162600-2 2001 DL-alpha-Difluoromethylornithine (DFMO), a synthetic inhibitor of ODC, inhibits cell growth. Eflornithine 34-38 ornithine decarboxylase 1 Homo sapiens 66-69 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 H3 histone pseudogene 16 Homo sapiens 142-145 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 signal transducer and activator of transcription 1 Homo sapiens 169-174 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 signal transducer and activator of transcription 1 Homo sapiens 283-288 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 tumor protein p53 Homo sapiens 376-379 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 0-4 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 142-145 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 signal transducer and activator of transcription 1 Homo sapiens 169-174 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 signal transducer and activator of transcription 1 Homo sapiens 283-288 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 tumor protein p53 Homo sapiens 376-379 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 142-145 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 signal transducer and activator of transcription 1 Homo sapiens 169-174 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 signal transducer and activator of transcription 1 Homo sapiens 283-288 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 tumor protein p53 Homo sapiens 376-379 11162600-5 2001 DFMO induced MKN45 cell G(1) phase arrest after 48 h, and the percentage of G(1) arrest cells continued to increase until 72 h. Expression of p21 and phosphorylation of Stat1 were significantly induced by DFMO at 24 h. Luciferase assay and gel shift assay showed specific binding of Stat1 to the p21 promoter, and promoter activity was activated at 24 h. In dominant negative p53 expressing cells, DFMO significantly induced p21 expression, arrested cells at G(1) phase, and suppressed cell growth effectively. Eflornithine 205-209 H3 histone pseudogene 16 Homo sapiens 296-299 11162600-6 2001 These results suggest that DFMO induced MKN45 cell arrest at G(1) phase in a p53 independent manner, and Stat1 is, at least in part, involved in G(1) arrest. Eflornithine 27-31 tumor protein p53 Homo sapiens 77-80 11705097-1 2001 Eflornithine is a specific, irreversible inhibitor of the enzyme ornithine decarboxylase which is thought to slow hair growth by inhibiting this enzyme in hair follicles. Eflornithine 0-12 ornithine decarboxylase 1 Homo sapiens 65-88 11435720-5 2001 alpha-Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, was given orally to early-weaned pups and its resultant effects were assessed on days 1 and 6 after early weaning. Eflornithine 0-30 ornithine decarboxylase 1 Rattus norvegicus 50-53 11435720-5 2001 alpha-Difluoromethyl ornithine (DFMO), a specific ODC inhibitor, was given orally to early-weaned pups and its resultant effects were assessed on days 1 and 6 after early weaning. Eflornithine 32-36 ornithine decarboxylase 1 Rattus norvegicus 50-53 11435720-8 2001 The increases of ODC activity, DNA and protein contents as induced by early weaning were significantly suppressed when pups were exposed to DFMO. Eflornithine 140-144 ornithine decarboxylase 1 Rattus norvegicus 17-20 11160138-5 2001 Kidney weight, ODC activity, and GFR were correlated in diabetic and control rats given difluoromethylornithine (DFMO; Marion Merrell Dow, Cincinnati, Ohio, USA) to inhibit ODC. Eflornithine 88-111 ornithine decarboxylase 1 Rattus norvegicus 173-176 11160138-5 2001 Kidney weight, ODC activity, and GFR were correlated in diabetic and control rats given difluoromethylornithine (DFMO; Marion Merrell Dow, Cincinnati, Ohio, USA) to inhibit ODC. Eflornithine 113-117 ornithine decarboxylase 1 Rattus norvegicus 173-176 11160138-7 2001 ODC activity was elevated 15-fold in diabetic kidneys and normalized by DFMO, which also attenuated hyperfiltration and hypertrophy. Eflornithine 72-76 ornithine decarboxylase 1 Rattus norvegicus 0-3 11134585-2 2000 We administered alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to neonatal rats on postnatal days 5-12, during the mitotic peak of the cerebellum, a treatment regimen that leads to selective growth inhibition and dysmorphology. Eflornithine 16-45 ornithine decarboxylase 1 Rattus norvegicus 83-86 11134585-2 2000 We administered alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ODC, to neonatal rats on postnatal days 5-12, during the mitotic peak of the cerebellum, a treatment regimen that leads to selective growth inhibition and dysmorphology. Eflornithine 47-51 ornithine decarboxylase 1 Rattus norvegicus 83-86 11201656-1 2000 DFMO is an irreversible inhibitor of ornithine decarboxilase (ODC), the key enzyme in mammalian polyamine biosynthesis, and has been shown to induce apoptosis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 11201656-1 2000 DFMO is an irreversible inhibitor of ornithine decarboxilase (ODC), the key enzyme in mammalian polyamine biosynthesis, and has been shown to induce apoptosis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 62-65 11059762-2 2000 Treatment of ODC/Ras double transgenic mice with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzyme activity, causes a rapid regression of these spontaneous tumors. Eflornithine 49-78 ornithine decarboxylase, structural 1 Mus musculus 13-16 11003584-4 2000 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (the rate-limiting enzyme for polyamine synthesis), for 4 and 6 days depleted cellular polyamines putrescine, spermidine, and spermine in IEC-6 cells. Eflornithine 18-47 ornithine decarboxylase 1 Rattus norvegicus 80-103 11003584-4 2000 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (the rate-limiting enzyme for polyamine synthesis), for 4 and 6 days depleted cellular polyamines putrescine, spermidine, and spermine in IEC-6 cells. Eflornithine 49-53 ornithine decarboxylase 1 Rattus norvegicus 80-103 11003584-5 2000 Polyamine depletion by DFMO increased levels of the TGF-beta type I receptor (TGF-betaRI) mRNA and protein but had no effect on the TGF-beta type II receptor expression. Eflornithine 23-27 transforming growth factor, beta receptor 1 Rattus norvegicus 52-76 11003584-10 2000 These results indicate that 1) depletion of cellular polyamines by DFMO increases expression of the TGF-betaRI gene and 2) increased TGF-betaRI expression plays an important role in the process through which polyamine depletion sensitizes intestinal epithelial cells to growth inhibition induced by TGF-beta. Eflornithine 67-71 transforming growth factor, beta 1 Rattus norvegicus 100-108 12497077-5 2000 We report here studies utilizing polyamine depletion by means of a combination of blockade of polyamine synthesis with DFMO (alpha-difluoromethylornithine), an inhibitor of ornithine decarboxylase, the rate limiting enzyme in the polyamine synthetic pathway, and ORI 1202, a novel inhibitor of polyamine transport into the cell. Eflornithine 119-123 ornithine decarboxylase 1 Homo sapiens 173-196 12497077-5 2000 We report here studies utilizing polyamine depletion by means of a combination of blockade of polyamine synthesis with DFMO (alpha-difluoromethylornithine), an inhibitor of ornithine decarboxylase, the rate limiting enzyme in the polyamine synthetic pathway, and ORI 1202, a novel inhibitor of polyamine transport into the cell. Eflornithine 125-154 ornithine decarboxylase 1 Homo sapiens 173-196 11097222-0 2000 Influence of K-ras activation on the survival responses of Caco-2 cells to the chemopreventive agents sulindac and difluoromethylornithine. Eflornithine 115-138 KRAS proto-oncogene, GTPase Homo sapiens 13-18 11097222-1 2000 The nonsteroidal anti-inflammatory drug sulindac and the ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) are both potent inhibitors of colon carcinogenesis in experimental models of this disease. Eflornithine 91-114 ornithine decarboxylase 1 Homo sapiens 57-80 11097222-1 2000 The nonsteroidal anti-inflammatory drug sulindac and the ornithine decarboxylase inhibitor difluoromethylornithine (DFMO) are both potent inhibitors of colon carcinogenesis in experimental models of this disease. Eflornithine 116-120 ornithine decarboxylase 1 Homo sapiens 57-80 11097222-7 2000 A 24-h treatment with DFMO caused a dose-dependent decrease in the colony-forming ability of cells expressing an activated K-ras but had no effect on the viability of the parental Caco-2 cells. Eflornithine 22-26 KRAS proto-oncogene, GTPase Homo sapiens 123-128 11097222-8 2000 The DFMO-dependent decrease in colony formation in K-ras-activated cells occurred in the absence of apoptosis. Eflornithine 4-8 KRAS proto-oncogene, GTPase Homo sapiens 51-56 11097222-10 2000 These data indicate that K-ras can influence the kinetics of apoptosis induction by sulindac metabolites and cell survival in response to DFMO. Eflornithine 138-142 KRAS proto-oncogene, GTPase Homo sapiens 25-30 11059762-2 2000 Treatment of ODC/Ras double transgenic mice with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzyme activity, causes a rapid regression of these spontaneous tumors. Eflornithine 49-78 ornithine decarboxylase, structural 1 Mus musculus 111-114 11059762-2 2000 Treatment of ODC/Ras double transgenic mice with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzyme activity, causes a rapid regression of these spontaneous tumors. Eflornithine 80-84 ornithine decarboxylase, structural 1 Mus musculus 13-16 11059762-2 2000 Treatment of ODC/Ras double transgenic mice with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ODC enzyme activity, causes a rapid regression of these spontaneous tumors. Eflornithine 80-84 ornithine decarboxylase, structural 1 Mus musculus 111-114 11059762-3 2000 DFMO treatment led to dramatic decreases in ODC activity and putrescine levels, but v-Ha-ras expression was not affected in the regressed tumors. Eflornithine 0-4 ornithine decarboxylase, structural 1 Mus musculus 44-47 11051233-2 2000 In the current study, we sought to determine whether the addition of alpha-difluoromethylornithine (eflornithine), an inhibitor of ornithine decarboxylase, which has shown encouraging results in the setting of recurrent glioma patients, to a nitrosourea-based therapy (PCV) would constitute a more effective adjuvant therapy in the treatment of glioblastoma multiforme patients in the postradiation therapy setting. Eflornithine 69-98 ornithine decarboxylase 1 Homo sapiens 131-154 11051233-2 2000 In the current study, we sought to determine whether the addition of alpha-difluoromethylornithine (eflornithine), an inhibitor of ornithine decarboxylase, which has shown encouraging results in the setting of recurrent glioma patients, to a nitrosourea-based therapy (PCV) would constitute a more effective adjuvant therapy in the treatment of glioblastoma multiforme patients in the postradiation therapy setting. Eflornithine 100-112 ornithine decarboxylase 1 Homo sapiens 131-154 11091138-5 2000 Combined exposure of cells to 2-(difluoromethyl)ornithine (DFMO) (a selective inactivator of ornithine decarboxylase), MDL 72527 and N(1)OSSpm produced a synergistic cytotoxic effect. Eflornithine 30-57 ornithine decarboxylase 1 Homo sapiens 93-116 11091138-5 2000 Combined exposure of cells to 2-(difluoromethyl)ornithine (DFMO) (a selective inactivator of ornithine decarboxylase), MDL 72527 and N(1)OSSpm produced a synergistic cytotoxic effect. Eflornithine 59-63 ornithine decarboxylase 1 Homo sapiens 93-116 11064274-3 2000 In this investigation, we used alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ODC activity and polyamine synthesis to test the hypothesis that polyamines contribute to myocardial injury in rat. Eflornithine 31-60 ornithine decarboxylase 1 Rattus norvegicus 110-113 11016639-3 2000 In these animals, ornithine decarboxylase (ODC) activity (>3-fold) as well as protein expression (>4-fold) was found to be markedly higher in the dorsolateral prostate as compared with the nontransgenic littermates, suggesting their suitability to determine the chemopreventive effect of alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, against prostate cancer. Eflornithine 299-323 ornithine decarboxylase, structural 1 Mus musculus 18-41 11016639-3 2000 In these animals, ornithine decarboxylase (ODC) activity (>3-fold) as well as protein expression (>4-fold) was found to be markedly higher in the dorsolateral prostate as compared with the nontransgenic littermates, suggesting their suitability to determine the chemopreventive effect of alpha-difluoromethylornithine (DFMO), an enzyme-activated irreversible inhibitor of ODC, against prostate cancer. Eflornithine 325-329 ornithine decarboxylase, structural 1 Mus musculus 18-41 11016639-6 2000 Oral consumption of 1% DFMO (w/v) in the drinking water to TRAMP mice from 8 to 28 weeks of age resulted in a significant decrease in (a) weight (59%) and volume (66%) of prostate, (b) genitourinary weight (63%), and (c) ODC enzyme activity (52%) in the dorsolateral prostate. Eflornithine 23-27 ornithine decarboxylase 1 Homo sapiens 221-224 11016639-8 2000 Furthermore, DFMO treatment resulted in the marked reduction in the protein expression of proliferation cell nuclear antigen, ODC, and probasin in the dorsolateral prostate. Eflornithine 13-17 ornithine decarboxylase, structural 1 Mus musculus 126-129 11016639-9 2000 The protein expression of antimetastases markers, i.e., E-cadherin and alpha- and beta-catenin, was found to be restored in DFMO-fed animals as compared with the non-DFMO-fed mice. Eflornithine 124-128 cadherin 1 Mus musculus 56-66 11016639-9 2000 The protein expression of antimetastases markers, i.e., E-cadherin and alpha- and beta-catenin, was found to be restored in DFMO-fed animals as compared with the non-DFMO-fed mice. Eflornithine 124-128 catenin (cadherin associated protein), beta 1 Mus musculus 71-94 11064274-3 2000 In this investigation, we used alpha-difluoromethylornithine (DFMO), a specific and irreversible inhibitor of ODC activity and polyamine synthesis to test the hypothesis that polyamines contribute to myocardial injury in rat. Eflornithine 62-66 ornithine decarboxylase 1 Rattus norvegicus 110-113 11064274-8 2000 DFMO treatment inhibited ISO-induced increases in (i) ODC activity and putrescine and spermidine levels in heart, (ii) CPK and LDH activity in plasma, and (iii) the area of subendocardial lesions. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 54-57 10913016-7 2000 Inhibition of ODC by the ODC antagonist difluoromethylornithine (1 mM) attenuated this hypertrophic response, indicating that ODC induction is causally involved. Eflornithine 40-63 ornithine decarboxylase 1 Rattus norvegicus 14-17 10913016-7 2000 Inhibition of ODC by the ODC antagonist difluoromethylornithine (1 mM) attenuated this hypertrophic response, indicating that ODC induction is causally involved. Eflornithine 40-63 ornithine decarboxylase 1 Rattus norvegicus 25-28 10913016-7 2000 Inhibition of ODC by the ODC antagonist difluoromethylornithine (1 mM) attenuated this hypertrophic response, indicating that ODC induction is causally involved. Eflornithine 40-63 ornithine decarboxylase 1 Rattus norvegicus 25-28 10869460-1 2000 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the essential enzyme in mammalian polyamine biosynthesis (Pasic et al., 1997, Arch. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 63-86 10869460-1 2000 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the essential enzyme in mammalian polyamine biosynthesis (Pasic et al., 1997, Arch. Eflornithine 0-23 ornithine decarboxylase 1 Homo sapiens 88-91 10869460-1 2000 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the essential enzyme in mammalian polyamine biosynthesis (Pasic et al., 1997, Arch. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 63-86 10869460-1 2000 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), the essential enzyme in mammalian polyamine biosynthesis (Pasic et al., 1997, Arch. Eflornithine 25-29 ornithine decarboxylase 1 Homo sapiens 88-91 10705873-1 2000 Human breast adenocarcinoma cells MCF-7 were selected for resistance to ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 113-142 ornithine decarboxylase 1 Homo sapiens 72-95 10903418-7 2000 A similar response was observed with the ODC inhibitor 2-difluoromethylornithine (DFMO), which served as a positive control. Eflornithine 55-80 ornithine decarboxylase, structural 1 Mus musculus 41-44 10903418-7 2000 A similar response was observed with the ODC inhibitor 2-difluoromethylornithine (DFMO), which served as a positive control. Eflornithine 82-86 ornithine decarboxylase, structural 1 Mus musculus 41-44 11174068-8 2000 Inhibition of ODC activity (about 2-fold by 24 h DFMO 5 mM), ERK activation (almost completely by 20 min PD 098059 50 microM), or both these enzymes simultaneously led to a reduction by about half in levels of MT1-MMP mRNA, 59/62-kD MMP-2 activity, and invasion in untreated as well as PMA-stimulated cells. Eflornithine 49-53 ornithine decarboxylase 1 Homo sapiens 14-17 10782045-5 2000 Two drugs were employed in these studies: DFMO (difluoromethylornithine), which inhibits ornithine decarboxylase, and MGBG [methylglyoxal bis(guanyl-hydrazone)], which inhibits S-adenosyl methionine decarboxylase. Eflornithine 48-71 ornithine decarboxylase, structural 1 Mus musculus 89-112 10766173-0 2000 Chemopreventive efficacy of combined piroxicam and difluoromethylornithine treatment of Apc mutant Min mouse adenomas, and selective toxicity against Apc mutant embryos. Eflornithine 51-74 APC, WNT signaling pathway regulator Mus musculus 88-91 10760944-8 2000 The ODC-mediated increase in acetylated histones was abrogated when cells were treated with alpha-difluoromethylornithine, a specific inhibitor of ODC activity, implying a distinct role for polyamines. Eflornithine 92-121 ornithine decarboxylase 1 Homo sapiens 4-7 10760944-8 2000 The ODC-mediated increase in acetylated histones was abrogated when cells were treated with alpha-difluoromethylornithine, a specific inhibitor of ODC activity, implying a distinct role for polyamines. Eflornithine 92-121 ornithine decarboxylase 1 Homo sapiens 147-150 10712236-6 2000 Depletion of putrescine, spermidine, and spermine by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that is the first rate-limiting enzyme for polyamine biosynthesis, decreased the apoptotic index. Eflornithine 53-85 ornithine decarboxylase 1 Rattus norvegicus 118-141 10712236-6 2000 Depletion of putrescine, spermidine, and spermine by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that is the first rate-limiting enzyme for polyamine biosynthesis, decreased the apoptotic index. Eflornithine 53-85 ornithine decarboxylase 1 Rattus norvegicus 143-146 10712236-6 2000 Depletion of putrescine, spermidine, and spermine by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that is the first rate-limiting enzyme for polyamine biosynthesis, decreased the apoptotic index. Eflornithine 87-91 ornithine decarboxylase 1 Rattus norvegicus 118-141 10712236-6 2000 Depletion of putrescine, spermidine, and spermine by DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC) that is the first rate-limiting enzyme for polyamine biosynthesis, decreased the apoptotic index. Eflornithine 87-91 ornithine decarboxylase 1 Rattus norvegicus 143-146 11776633-6 2000 In addition, transfection with antisense bcl-2 did not induce marked apoptosis whereas treatment of the transfectant with low concentration (0.2 mmol/L) of DFMO resulted in enhanced expression inhibition of bcl-2 protein, inhibition of cell growth and induction of apoptosis. Eflornithine 156-160 BCL2 apoptosis regulator Homo sapiens 207-212 10728361-8 2000 In the presence of ODC inhibitors (alpha-methylornithine or difluoromethylornithine) this increase remained absent and the increases in 14C-phenylalanine incorporation, protein and RNA mass under isoprenaline were abolished. Eflornithine 60-83 ornithine decarboxylase, structural 1 Mus musculus 19-22 10769640-2 2000 Complete polyamine deprivation, using 2 alpha-difluoromethyl-ornithine (DFMO, Eflornithine), a specific inactivator of ornithine decarboxylase (key-enzyme of the polyamine biosynthesis) combined with inhibition of the bacterial production of gastrointestinal polyamine and a polyamine free regimen, was demonstrated to exhibit a cytostatic effect and a decrease of the three tumoral polyamine concentrations in a MCF-7 tumor model. Eflornithine 72-76 ornithine decarboxylase 1 Homo sapiens 119-142 10769640-2 2000 Complete polyamine deprivation, using 2 alpha-difluoromethyl-ornithine (DFMO, Eflornithine), a specific inactivator of ornithine decarboxylase (key-enzyme of the polyamine biosynthesis) combined with inhibition of the bacterial production of gastrointestinal polyamine and a polyamine free regimen, was demonstrated to exhibit a cytostatic effect and a decrease of the three tumoral polyamine concentrations in a MCF-7 tumor model. Eflornithine 78-90 ornithine decarboxylase 1 Homo sapiens 119-142 10840185-1 2000 Postnatal treatment with alpha-difluoromethylornithine (DFMO), a potent inhibitor of ornithine decarboxylase, reduces polyamine levels in rats. Eflornithine 25-54 ornithine decarboxylase 1 Rattus norvegicus 85-108 10840185-1 2000 Postnatal treatment with alpha-difluoromethylornithine (DFMO), a potent inhibitor of ornithine decarboxylase, reduces polyamine levels in rats. Eflornithine 56-60 ornithine decarboxylase 1 Rattus norvegicus 85-108 10893799-0 2000 Effects of alpha-difluoromethylornithine on the cyclin A expression in Hep-2 cells. Eflornithine 11-40 cyclin A2 Homo sapiens 48-56 10893799-0 2000 Effects of alpha-difluoromethylornithine on the cyclin A expression in Hep-2 cells. Eflornithine 11-40 DNL-type zinc finger Homo sapiens 71-74 10893799-1 2000 DFMO is an irreversible inhibitor of ornithine decarboxilase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 10893799-1 2000 DFMO is an irreversible inhibitor of ornithine decarboxilase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 62-65 10893799-2 2000 The goal of this study was to determine the effects of DFMO on the expression of cyclin A at different stages of the cell cycle of Hep-2 cells. Eflornithine 55-59 cyclin A2 Homo sapiens 81-89 10893799-2 2000 The goal of this study was to determine the effects of DFMO on the expression of cyclin A at different stages of the cell cycle of Hep-2 cells. Eflornithine 55-59 DNL-type zinc finger Homo sapiens 131-134 10893799-4 2000 The expression of cyclin A increased in the phases S and G2 in control cells, almost disappearing in phase M. However, in DFMO treated cultures, the expression of cyclin A was increased in M and this effect remained still after 48 h treatment. Eflornithine 122-126 cyclin A2 Homo sapiens 18-26 10893799-4 2000 The expression of cyclin A increased in the phases S and G2 in control cells, almost disappearing in phase M. However, in DFMO treated cultures, the expression of cyclin A was increased in M and this effect remained still after 48 h treatment. Eflornithine 122-126 cyclin A2 Homo sapiens 163-171 10766173-15 2000 Apc(min)/+ progeny of pregnant dams treated with piroxicam and/or DFMO were reduced in number and their ratio to Apc+/+ progeny was decreased to approximately 0.28:1. Eflornithine 66-70 APC, WNT signaling pathway regulator Mus musculus 0-3 10766173-15 2000 Apc(min)/+ progeny of pregnant dams treated with piroxicam and/or DFMO were reduced in number and their ratio to Apc+/+ progeny was decreased to approximately 0.28:1. Eflornithine 66-70 APC, WNT signaling pathway regulator Mus musculus 113-116 10666025-4 2000 The specific inhibitor of polyamine synthesis, alpha-difluoromethylornithine (DFMO, 5 mM), depleted cellular polyamines (putrescine, spermidine, and spermine), selectively inhibited Kv1.1 channel (a delayed-rectifier Kv channel) expression, and resulted in membrane depolarization. Eflornithine 47-76 potassium voltage-gated channel subfamily A member 1 Rattus norvegicus 182-187 10666025-4 2000 The specific inhibitor of polyamine synthesis, alpha-difluoromethylornithine (DFMO, 5 mM), depleted cellular polyamines (putrescine, spermidine, and spermine), selectively inhibited Kv1.1 channel (a delayed-rectifier Kv channel) expression, and resulted in membrane depolarization. Eflornithine 78-82 potassium voltage-gated channel subfamily A member 1 Rattus norvegicus 182-187 10666025-7 2000 Exogenous spermidine not only reversed the effects of DFMO on Kv1.1 channel expression, E(m), and [Ca(2+)](cyt) but also restored cell migration to normal. Eflornithine 54-58 potassium voltage-gated channel subfamily A member 1 Rattus norvegicus 62-67 10654447-3 2000 DFMO, which depleted cellular polyamines by inhibiting ornithine decarboxylase, induced G1 arrest but without apoptosis, though it enhanced dexamethasone-induced G1 arrest and apoptosis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 55-78 10654447-6 2000 The p27Kip1, level was increased by dexamethasone or and DFMO in line with the kinetics of G1 arrest. Eflornithine 57-61 cyclin dependent kinase inhibitor 1B Homo sapiens 4-11 10629084-2 2000 alpha-Difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine decarboxylase, a key enzyme in polyamine biosynthesis, and has been used for clinical chemotherapy and chemoprevention trials against several tumors with various effects. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 77-100 10629084-2 2000 alpha-Difluoromethylornithine (DFMO) is a specific irreversible inhibitor of ornithine decarboxylase, a key enzyme in polyamine biosynthesis, and has been used for clinical chemotherapy and chemoprevention trials against several tumors with various effects. Eflornithine 31-35 ornithine decarboxylase 1 Homo sapiens 77-100 11128555-0 2000 Inhibition of ornithine decarboxylase by alpha-difluoromethylornithine induces apoptosis of HC11 mouse mammary epithelial cells. Eflornithine 41-70 ornithine decarboxylase, structural 1 Mus musculus 14-37 11128555-0 2000 Inhibition of ornithine decarboxylase by alpha-difluoromethylornithine induces apoptosis of HC11 mouse mammary epithelial cells. Eflornithine 41-70 heterochromatin, Chr 11 Mus musculus 92-96 11128555-1 2000 The effect of a-difluoromethylornithine (DFMO) on the apoptosis of HC11 mouse mammary epithelial cells was investigated. Eflornithine 41-45 heterochromatin, Chr 11 Mus musculus 67-71 11128555-3 2000 DFMO (0.1, 1 and 5mM) induced apoptosis of HC11 cells in dose- and time-dependent manner. Eflornithine 0-4 heterochromatin, Chr 11 Mus musculus 43-47 11128555-6 2000 Apoptosis induced by ODC inhibition was associated with a rapid increase in ROS concentration in HC11 cells observed within 1 h after DFMO treatment. Eflornithine 134-138 ornithine decarboxylase, structural 1 Mus musculus 21-24 11128555-6 2000 Apoptosis induced by ODC inhibition was associated with a rapid increase in ROS concentration in HC11 cells observed within 1 h after DFMO treatment. Eflornithine 134-138 heterochromatin, Chr 11 Mus musculus 97-101 10705873-1 2000 Human breast adenocarcinoma cells MCF-7 were selected for resistance to ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 113-142 ornithine decarboxylase 1 Homo sapiens 97-100 10705873-1 2000 Human breast adenocarcinoma cells MCF-7 were selected for resistance to ornithine decarboxylase (ODC) inhibitor, alpha-difluoromethylornithine (DFMO). Eflornithine 144-148 ornithine decarboxylase 1 Homo sapiens 72-95 10607762-6 2000 Rats were treated with difluoromethylornithine (0.5-2% in the drinking water), a selective inhibitor of the rate-limiting enzyme of polyamine synthesis, ornithine decarboxylase (ODC). Eflornithine 23-46 ornithine decarboxylase 1 Rattus norvegicus 153-176 10607762-6 2000 Rats were treated with difluoromethylornithine (0.5-2% in the drinking water), a selective inhibitor of the rate-limiting enzyme of polyamine synthesis, ornithine decarboxylase (ODC). Eflornithine 23-46 ornithine decarboxylase 1 Rattus norvegicus 178-181 10607308-4 1999 However, addition of alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, to the cultures did not enhance apoptosis but rather caused inhibition of thymocyte apoptosis. Eflornithine 21-50 ornithine decarboxylase, structural 1 Mus musculus 81-104 10695713-6 1999 The ornithine decarboxylase inhibitor eflornithine prevents the induction, and ameliorates the severity, of the PTRE, and also reduces the degree of astrocyte activation. Eflornithine 38-50 ornithine decarboxylase 1 Homo sapiens 4-27 10469614-6 1999 Treatment of Min mice with the specific ODC inhibitor difluoromethylornithine (DFMO) suppressed small intestinal, but not colonic, polyamine content and tumor number. Eflornithine 54-77 ornithine decarboxylase, structural 1 Mus musculus 40-43 10581530-6 1999 Cleavage of poly(ADP-ribose) polymerase (PARP) illustrated that the staurosporine treatment induced apoptosis in the cells within 6 h. Analysis of PARP cleavage indicated that treatment with DFMO accelerated the kinetics of progression of apoptosis but did not influence the sensitivity of cells to 10 nM-1 microM staurosporine. Eflornithine 191-195 poly(ADP-ribose) polymerase 1 Homo sapiens 12-39 10581530-6 1999 Cleavage of poly(ADP-ribose) polymerase (PARP) illustrated that the staurosporine treatment induced apoptosis in the cells within 6 h. Analysis of PARP cleavage indicated that treatment with DFMO accelerated the kinetics of progression of apoptosis but did not influence the sensitivity of cells to 10 nM-1 microM staurosporine. Eflornithine 191-195 poly(ADP-ribose) polymerase 1 Homo sapiens 41-45 10581530-6 1999 Cleavage of poly(ADP-ribose) polymerase (PARP) illustrated that the staurosporine treatment induced apoptosis in the cells within 6 h. Analysis of PARP cleavage indicated that treatment with DFMO accelerated the kinetics of progression of apoptosis but did not influence the sensitivity of cells to 10 nM-1 microM staurosporine. Eflornithine 191-195 poly(ADP-ribose) polymerase 1 Homo sapiens 147-151 10589756-1 1999 DFMO (alpha-difluoromethylornithine) is an oral irreversible inhibitor of ornithine decarboxylase, the first rate-limiting enzyme in polyamine synthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 74-97 10589756-1 1999 DFMO (alpha-difluoromethylornithine) is an oral irreversible inhibitor of ornithine decarboxylase, the first rate-limiting enzyme in polyamine synthesis. Eflornithine 6-35 ornithine decarboxylase 1 Homo sapiens 74-97 10523861-6 1999 alpha-Difluoromethylornithine, an irreversible inhibitor of ODC, attenuated, at an equivalent IC50, both TPA-induced ODC activity and anchorage-independent growth of JB6 P+ cells, despite no inhibition of AP-1 transactivation. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 60-63 10523861-6 1999 alpha-Difluoromethylornithine, an irreversible inhibitor of ODC, attenuated, at an equivalent IC50, both TPA-induced ODC activity and anchorage-independent growth of JB6 P+ cells, despite no inhibition of AP-1 transactivation. Eflornithine 0-29 promotion susceptibility QTL 1 Mus musculus 105-108 10523861-6 1999 alpha-Difluoromethylornithine, an irreversible inhibitor of ODC, attenuated, at an equivalent IC50, both TPA-induced ODC activity and anchorage-independent growth of JB6 P+ cells, despite no inhibition of AP-1 transactivation. Eflornithine 0-29 ornithine decarboxylase 1 Homo sapiens 117-120 10497162-4 1999 Cells of the human leukemic cell line, HL-60, were incubated with or without the ornithine decarboxylase inhibitor, difluoromethylornithine (DFMO), and induced to undergo apoptosis by ultraviolet irradiation. Eflornithine 116-139 ornithine decarboxylase 1 Homo sapiens 81-104 10563800-3 1999 One of the currently used drugs, alpha-difluoromethylornithine (DFMO), is a suicide inhibitor of ODC. Eflornithine 33-62 ornithine decarboxylase, structural 1 Mus musculus 97-100 10563800-3 1999 One of the currently used drugs, alpha-difluoromethylornithine (DFMO), is a suicide inhibitor of ODC. Eflornithine 64-68 ornithine decarboxylase, structural 1 Mus musculus 97-100 10563800-4 1999 The structure of the T. brucei ODC (TbODC) mutant K69A bound to DFMO has been determined by X-ray crystallography to 2.0 A resolution. Eflornithine 64-68 ornithine decarboxylase, structural 1 Mus musculus 31-34 10469614-6 1999 Treatment of Min mice with the specific ODC inhibitor difluoromethylornithine (DFMO) suppressed small intestinal, but not colonic, polyamine content and tumor number. Eflornithine 79-83 ornithine decarboxylase, structural 1 Mus musculus 40-43 10469614-8 1999 Further, ODC enzyme activity, which is influenced by both ODC and AZ RNA levels and inhibited by DFMO, is consequential for small intestinal tumorigenesis in this model. Eflornithine 97-101 ornithine decarboxylase, structural 1 Mus musculus 9-12 10510592-3 1999 Type I diabetes is associated with jejunal mucosal hyperplasia, and administration of diflouromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), causes hypoplasia. Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 147-170 10510592-3 1999 Type I diabetes is associated with jejunal mucosal hyperplasia, and administration of diflouromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), causes hypoplasia. Eflornithine 111-115 ornithine decarboxylase 1 Rattus norvegicus 172-175 10446971-2 1999 This study elucidated site-specific histopathological and biochemical surrogate endpoint biomarkers of spontaneous epidermal carcinogenesis in K14-HPV16 transgenic mice and demonstrated that the incidence and severity of these markers were decreased by the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 297-320 ornithine decarboxylase, structural 1 Mus musculus 257-280 10446971-2 1999 This study elucidated site-specific histopathological and biochemical surrogate endpoint biomarkers of spontaneous epidermal carcinogenesis in K14-HPV16 transgenic mice and demonstrated that the incidence and severity of these markers were decreased by the ornithine decarboxylase (ODC) inhibitor difluoromethylornithine (DFMO). Eflornithine 322-326 ornithine decarboxylase, structural 1 Mus musculus 257-280 10446971-7 1999 ODC activity and tissue putrescine content were markedly diminished by DFMO chemoprevention in ear skin, whereas there was a more modest decline of these parameters in chest skin. Eflornithine 71-75 ornithine decarboxylase, structural 1 Mus musculus 0-3 10430362-8 1999 The increase in DNA synthesis caused by transforming growth factor-alpha, hepatocyte growth factor, or both was completely inhibited by alpha-difluoromethylornithine and methylglyoxal bis(guanylhydrazone). Eflornithine 136-165 transforming growth factor alpha Rattus norvegicus 40-72 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 3-36 mitogen-activated protein kinase 3 Mus musculus 135-138 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 3-36 mitogen-activated protein kinase 3 Mus musculus 142-146 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 3-36 ornithine decarboxylase, structural 1 Mus musculus 184-187 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 38-42 mitogen-activated protein kinase 3 Mus musculus 135-138 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 38-42 mitogen-activated protein kinase 3 Mus musculus 142-146 10393094-2 1999 In d,l-alpha-difluoromethylornithine (DFMO)-resistant L1210 cells stimulated to grow from quiescence, treatment with PD98059 inhibited p44/42 MAPK phosphorylation and the induction of ODC activity and protein. Eflornithine 38-42 ornithine decarboxylase, structural 1 Mus musculus 184-187 10393094-7 1999 Cells kept in a DFMO-free medium, and thus containing high levels of putrescine and spermidine, showed enhanced MAPK phosphorylation and lower sensitivity to PD98059, compared with cells maintained in the presence of DFMO. Eflornithine 16-20 mitogen-activated protein kinase 3 Mus musculus 112-116 10445853-5 1999 Furthermore, CD437-induced apoptosis could be blocked by the ODC inhibitor difluoromethylornithine, the caspase inhibitors Z-VAD FMK and Z-DEVD FMK, and c-Myc antisense oligodeoxynucleotide, respectively. Eflornithine 75-98 ornithine decarboxylase 1 Homo sapiens 61-64 10430362-8 1999 The increase in DNA synthesis caused by transforming growth factor-alpha, hepatocyte growth factor, or both was completely inhibited by alpha-difluoromethylornithine and methylglyoxal bis(guanylhydrazone). Eflornithine 136-165 myotrophin Rattus norvegicus 53-66 10199827-5 1999 Polyamine depletion by DFMO was accompanied by a significant increase in expression of the p53 gene. Eflornithine 23-27 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 91-94 10445761-1 1999 DFMO, an irreversible inhibitor of ornithine decarboxylase (ODC), is under development as a chemopreventive drug against cancers with pronounced proliferative phases. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 35-58 10445761-1 1999 DFMO, an irreversible inhibitor of ornithine decarboxylase (ODC), is under development as a chemopreventive drug against cancers with pronounced proliferative phases. Eflornithine 0-4 ornithine decarboxylase 1 Rattus norvegicus 60-63 10198235-3 1999 Conversely, the G1 block induced by alpha-difluoromethylornithine (DFMO) is associated with a protective effect against dRib-induced cell suicide. Eflornithine 36-65 ribbon Drosophila melanogaster 120-124 10198235-3 1999 Conversely, the G1 block induced by alpha-difluoromethylornithine (DFMO) is associated with a protective effect against dRib-induced cell suicide. Eflornithine 67-71 ribbon Drosophila melanogaster 120-124 10535358-10 1999 DFMO, a well defined polyamine biosynthesis inhibitor, completely blocks ODC activity, resulting in growth inhibition but not apoptosis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 73-76 10199827-6 1999 The p53 mRNA levels increased 4 days after exposure to DFMO, and the maximum increases occurred at 6 and 12 days after exposure. Eflornithine 55-59 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 4-7 10199827-7 1999 Increased levels of p53 mRNA in DFMO-treated cells were paralleled by increases in p53 protein. Eflornithine 32-36 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 20-23 10199827-7 1999 Increased levels of p53 mRNA in DFMO-treated cells were paralleled by increases in p53 protein. Eflornithine 32-36 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 83-86 10199827-8 1999 Polyamines given together with DFMO completely prevented increased expression of the p53 gene. Eflornithine 31-35 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 85-88 10199827-9 1999 Increased expression of the p53 gene in DFMO-treated cells was associated with a significant increase in G1 phase growth arrest. Eflornithine 40-44 Wistar clone pR53P1 p53 pseudogene Rattus norvegicus 28-31 10069996-3 1999 IEC-6 cells were grown in the presence or absence of DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, which is the first rate-limiting enzyme for polyamine synthesis. Eflornithine 53-85 ornithine decarboxylase 1 Rattus norvegicus 118-141 10194516-2 1999 Estrogen receptor (ER) linked to glutathione-S-transferase (GST) was used to examine the effects of two polyamine biosynthesis inhibitors, difluoromethylornithine (DFMO) and CGP 48664. Eflornithine 139-162 estrogen receptor 1 Homo sapiens 0-17 10194516-2 1999 Estrogen receptor (ER) linked to glutathione-S-transferase (GST) was used to examine the effects of two polyamine biosynthesis inhibitors, difluoromethylornithine (DFMO) and CGP 48664. Eflornithine 164-168 estrogen receptor 1 Homo sapiens 19-21 10194516-2 1999 Estrogen receptor (ER) linked to glutathione-S-transferase (GST) was used to examine the effects of two polyamine biosynthesis inhibitors, difluoromethylornithine (DFMO) and CGP 48664. Eflornithine 164-168 glutathione S-transferase kappa 1 Homo sapiens 60-63 10194516-6 1999 When samples from the estradiol+DFMO treatment group were incubated with spermidine prior to GST-ER pull down assay, an increased association of several proteins with ER was detected. Eflornithine 32-36 glutathione S-transferase kappa 1 Homo sapiens 93-96 10194516-6 1999 When samples from the estradiol+DFMO treatment group were incubated with spermidine prior to GST-ER pull down assay, an increased association of several proteins with ER was detected. Eflornithine 32-36 estrogen receptor 1 Homo sapiens 97-99 10194516-6 1999 When samples from the estradiol+DFMO treatment group were incubated with spermidine prior to GST-ER pull down assay, an increased association of several proteins with ER was detected. Eflornithine 32-36 estrogen receptor 1 Homo sapiens 167-169 10069996-3 1999 IEC-6 cells were grown in the presence or absence of DL-alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase, which is the first rate-limiting enzyme for polyamine synthesis. Eflornithine 87-91 ornithine decarboxylase 1 Rattus norvegicus 118-141 10069996-10 1999 Activation of JNK-1 was the earliest event; within 5 h after DFMO treatment, JNK activity was increased by 150%. Eflornithine 61-65 mitogen-activated protein kinase 8 Rattus norvegicus 14-17 10069996-10 1999 Activation of JNK-1 was the earliest event; within 5 h after DFMO treatment, JNK activity was increased by 150%. Eflornithine 61-65 mitogen-activated protein kinase 8 Rattus norvegicus 77-80 9950818-6 1999 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor for polyamine synthesis, for 4 and 6 days completely depleted cellular polyamine levels, while AP-1 binding activity was significantly increased. Eflornithine 18-47 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 172-176 9989776-10 1999 Cotreatment with alpha-difluoromethylornithine, an enzyme-activated irreversible inhibitor of ODC, did not reduced growth rate. Eflornithine 17-46 ornithine decarboxylase Gallus gallus 94-97 9950774-3 1999 DFMO reduced F-actin in the cell interior, increased it in the cell cortex, redistributed G-actin, and increased nuclear staining of Tbeta4. Eflornithine 0-4 thymosin beta 4, X-linked Rattus norvegicus 133-139 9950774-7 1999 We propose that DFMO reduces migration by interfering with the sequestration of G-actin by Tbeta4 and the association of F-actin with activated EGF receptors. Eflornithine 16-20 thymosin beta 4, X-linked Rattus norvegicus 91-97 9950818-6 1999 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor for polyamine synthesis, for 4 and 6 days completely depleted cellular polyamine levels, while AP-1 binding activity was significantly increased. Eflornithine 49-53 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 172-176 9950818-7 1999 Spermidine, when given together with DFMO, restored AP-1 binding activity toward normal. Eflornithine 37-41 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 52-56 9950818-9 1999 There were significant increases in JunD mRNA and protein in DFMO-treated cells, although expression of the c-fos, c-jun, and junB genes decreased. Eflornithine 61-65 JunD proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 36-40 9950818-9 1999 There were significant increases in JunD mRNA and protein in DFMO-treated cells, although expression of the c-fos, c-jun, and junB genes decreased. Eflornithine 61-65 Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 108-113 9950818-9 1999 There were significant increases in JunD mRNA and protein in DFMO-treated cells, although expression of the c-fos, c-jun, and junB genes decreased. Eflornithine 61-65 JunB proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 126-130 9950818-10 1999 The increase in JunD/AP-1 activity in DFMO-treated cells was associated with a significant decrease in cell division. Eflornithine 38-42 JunD proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 16-20 9950818-10 1999 The increase in JunD/AP-1 activity in DFMO-treated cells was associated with a significant decrease in cell division. Eflornithine 38-42 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 21-25 9950818-12 1999 DFMO prevented the stimulation of c-Jun/AP-1 activity induced by 5% dialyzed serum. Eflornithine 0-4 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 40-44 9950818-13 1999 These results indicate that 1) polyamine depletion is associated with an increase in AP-1 binding activity and 2) the increase in AP-1 activity in the DFMO-treated cells was primarily contributed by an increase in the JunD/AP-1. Eflornithine 151-155 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 85-89 9950818-13 1999 These results indicate that 1) polyamine depletion is associated with an increase in AP-1 binding activity and 2) the increase in AP-1 activity in the DFMO-treated cells was primarily contributed by an increase in the JunD/AP-1. Eflornithine 151-155 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 130-134 9950818-13 1999 These results indicate that 1) polyamine depletion is associated with an increase in AP-1 binding activity and 2) the increase in AP-1 activity in the DFMO-treated cells was primarily contributed by an increase in the JunD/AP-1. Eflornithine 151-155 JunD proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 218-222 9950818-13 1999 These results indicate that 1) polyamine depletion is associated with an increase in AP-1 binding activity and 2) the increase in AP-1 activity in the DFMO-treated cells was primarily contributed by an increase in the JunD/AP-1. Eflornithine 151-155 Jun proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 130-134 10709674-3 1999 As discussed above, all six potential chemopreventive agents, aspirin, 2-CPR, DFMO, 4-HPR, piroxicam, and 9-cis-retinoic acid, decreased the level of AOM-induced ACF. Eflornithine 78-82 ACF Homo sapiens 162-165 10319188-7 1999 This last effect was blocked by a NOS inhibitor and was strongly reduced by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 76-99 ornithine decarboxylase 1 Homo sapiens 137-140 10319188-7 1999 This last effect was blocked by a NOS inhibitor and was strongly reduced by difluoromethylornithine (DFMO), an irreversible inhibitor of ODC. Eflornithine 101-105 ornithine decarboxylase 1 Homo sapiens 137-140 9795249-9 1998 Differences in the temporal relationship between IL-2 production and polyamine induction in mitogen- versus superantigen-stimulated cells may account for the significant inhibition of the proliferative response by alpha-difluoromethylornithine following PHA but not SEB stimulation. Eflornithine 214-243 interleukin 2 Homo sapiens 49-53 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 34-57 ornithine decarboxylase, structural 1 Mus musculus 130-153 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 34-57 ornithine decarboxylase, structural 1 Mus musculus 155-158 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 34-57 Fas (TNF receptor superfamily member 6) Mus musculus 193-196 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 59-63 ornithine decarboxylase, structural 1 Mus musculus 130-153 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 59-63 ornithine decarboxylase, structural 1 Mus musculus 155-158 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 59-63 Fas (TNF receptor superfamily member 6) Mus musculus 193-196 10433086-3 1999 We studied the in vivo effects of difluoromethylornithine (DFMO), an irreversible inhibitor of the polyamine biosynthetic enzyme, ornithine decarboxylase (ODC), on the expression of fas in MRL-lpr/lpr mice as well as in congenic MRL- + / + and autoimmune NZB/W strains. Eflornithine 59-63 Fas (TNF receptor superfamily member 6) Mus musculus 197-200 10433086-4 1999 Using Northern blot hybridization and reverse transcription polymerase chain reaction (RT-PCR), we found that DFMO treatment resulted in an increase in the expression of fas mRNA in the thymus of MRL-lpr/lpr mice. Eflornithine 110-114 Fas (TNF receptor superfamily member 6) Mus musculus 200-203 10433086-4 1999 Using Northern blot hybridization and reverse transcription polymerase chain reaction (RT-PCR), we found that DFMO treatment resulted in an increase in the expression of fas mRNA in the thymus of MRL-lpr/lpr mice. Eflornithine 110-114 Fas (TNF receptor superfamily member 6) Mus musculus 204-207 10433086-6 1999 With fractionated CD4 + and CD8 + T cells, we found a cell-specific effect of DFMO on chimeric ETn/fas expression in CD8 + cells. Eflornithine 78-82 CD4 antigen Mus musculus 18-21 10433086-9 1999 These results indicate that DFMO-mediated polyamine depletion is linked to the regulation of fas and chimeric ETn/fas in MRL-lpr/lpr mice. Eflornithine 28-32 Fas (TNF receptor superfamily member 6) Mus musculus 125-128 10433086-9 1999 These results indicate that DFMO-mediated polyamine depletion is linked to the regulation of fas and chimeric ETn/fas in MRL-lpr/lpr mice. Eflornithine 28-32 Fas (TNF receptor superfamily member 6) Mus musculus 129-132 10321508-2 1999 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 0-23 ornithine decarboxylase 1 Canis lupus familiaris 63-86 10321508-2 1999 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 25-29 ornithine decarboxylase 1 Canis lupus familiaris 63-86 10550568-2 1999 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 0-23 ornithine decarboxylase 1 Rattus norvegicus 63-86 10550568-2 1999 Difluoromethylornithine (DFMO) is an irreversible inhibitor of ornithine decarboxylase, the rate-limiting enzyme in the biosynthesis of polyamines. Eflornithine 25-29 ornithine decarboxylase 1 Rattus norvegicus 63-86 10353628-6 1999 Co-administration of difluoromethylornithine, an irreversible inhibitor of ODC, or propranolol, a nonspecific beta-antagonist, with clenbuterol completely prevented the induction of ODC activity as well as the increase in polyamine levels in heart. Eflornithine 21-44 ornithine decarboxylase, structural 1 Mus musculus 75-78 10353628-6 1999 Co-administration of difluoromethylornithine, an irreversible inhibitor of ODC, or propranolol, a nonspecific beta-antagonist, with clenbuterol completely prevented the induction of ODC activity as well as the increase in polyamine levels in heart. Eflornithine 21-44 ornithine decarboxylase, structural 1 Mus musculus 182-185 9884080-1 1998 We have examined whether modulation of the polyamine biosynthetic pathway, through inhibition by alpha-difluoromethylornithine (DFMO) of the rate limiting enzyme, ornithine decarboxylase (ODC), modulates NO synthesis in J774 macrophages. Eflornithine 97-126 ornithine decarboxylase, structural 1 Mus musculus 163-186 9884080-1 1998 We have examined whether modulation of the polyamine biosynthetic pathway, through inhibition by alpha-difluoromethylornithine (DFMO) of the rate limiting enzyme, ornithine decarboxylase (ODC), modulates NO synthesis in J774 macrophages. Eflornithine 97-126 ornithine decarboxylase, structural 1 Mus musculus 188-191 9884080-1 1998 We have examined whether modulation of the polyamine biosynthetic pathway, through inhibition by alpha-difluoromethylornithine (DFMO) of the rate limiting enzyme, ornithine decarboxylase (ODC), modulates NO synthesis in J774 macrophages. Eflornithine 128-132 ornithine decarboxylase, structural 1 Mus musculus 163-186 9884080-1 1998 We have examined whether modulation of the polyamine biosynthetic pathway, through inhibition by alpha-difluoromethylornithine (DFMO) of the rate limiting enzyme, ornithine decarboxylase (ODC), modulates NO synthesis in J774 macrophages. Eflornithine 128-132 ornithine decarboxylase, structural 1 Mus musculus 188-191 9884080-8 1998 Pre-incubation of cells with DFMO (10 mM; 24 h) prior to activation with LPS resulted in enhanced (approximately 2 fold) iNOS protein expression. Eflornithine 29-33 nitric oxide synthase 2, inducible Mus musculus 121-125 9884080-10 1998 Since the only known mechanism of action of DFMO is inhibition of ODC, and thus polyamine biosynthesis, we conclude that expression of iNOS can be critically regulated by endogenous polyamines. Eflornithine 44-48 ornithine decarboxylase, structural 1 Mus musculus 66-69 9884080-10 1998 Since the only known mechanism of action of DFMO is inhibition of ODC, and thus polyamine biosynthesis, we conclude that expression of iNOS can be critically regulated by endogenous polyamines. Eflornithine 44-48 nitric oxide synthase 2, inducible Mus musculus 135-139 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 77-100 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 102-105 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 15-44 ornithine decarboxylase 1 Rattus norvegicus 187-190 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 77-100 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 102-105 28976672-3 1998 Treatment with alpha-difluoromethylornithine (DFMO), a specific inhibitor of ornithine decarboxylase (ODC), the rate-limiting enzyme for polyamine synthesis, for 4 days totally inhibited ODC activity and depleted intracellular polyamines in the intestinal epithelial cells (IEC-6) derived from rat small intestinal crypt cells. Eflornithine 46-50 ornithine decarboxylase 1 Rattus norvegicus 187-190 9796636-15 1998 Comparing the 6-month measurements with pretreatment, DFMO/PXM or DFMO significantly reduced TPA-induced ODC levels (Ps, 0.03 and 0.05). Eflornithine 54-58 ornithine decarboxylase 1 Homo sapiens 105-108 9796636-15 1998 Comparing the 6-month measurements with pretreatment, DFMO/PXM or DFMO significantly reduced TPA-induced ODC levels (Ps, 0.03 and 0.05). Eflornithine 66-70 ornithine decarboxylase 1 Homo sapiens 105-108 10225001-4 1999 The nitric oxide synthase (NOS) inhibitor NG-nitro l-arginine methyl ester stimulated DNA synthesis with a significant increase from control at 2.5 and 5 mM (p < 0.05); in contrast, the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethyl ornithine (DFMO) inhibited DNA synthesis with a significant decrease from control at 19.65, 29.48, and 39.48 microM (p < 0.05). Eflornithine 229-259 nitric oxide synthase 2 Homo sapiens 4-25 10225001-4 1999 The nitric oxide synthase (NOS) inhibitor NG-nitro l-arginine methyl ester stimulated DNA synthesis with a significant increase from control at 2.5 and 5 mM (p < 0.05); in contrast, the ornithine decarboxylase (ODC) inhibitor alpha-difluoromethyl ornithine (DFMO) inhibited DNA synthesis with a significant decrease from control at 19.65, 29.48, and 39.48 microM (p < 0.05). Eflornithine 261-265 nitric oxide synthase 2 Homo sapiens 4-25 10728786-0 1999 D,L-alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, induces differentiation in MEL cells. Eflornithine 0-33 ornithine decarboxylase, structural 1 Mus musculus 64-87 10728786-1 1999 In the present study, the effect of D,L-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on Friend"s murine erythroleukemia (MEL) cell differentiation is investigated. Eflornithine 36-69 ornithine decarboxylase, structural 1 Mus musculus 107-130 10728786-1 1999 In the present study, the effect of D,L-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on Friend"s murine erythroleukemia (MEL) cell differentiation is investigated. Eflornithine 36-69 ornithine decarboxylase, structural 1 Mus musculus 132-135 10728786-1 1999 In the present study, the effect of D,L-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on Friend"s murine erythroleukemia (MEL) cell differentiation is investigated. Eflornithine 71-75 ornithine decarboxylase, structural 1 Mus musculus 107-130 10728786-1 1999 In the present study, the effect of D,L-alpha-difluoromethylornithine (DFMO), an irreversible inhibitor of ornithine decarboxylase (ODC), on Friend"s murine erythroleukemia (MEL) cell differentiation is investigated. Eflornithine 71-75 ornithine decarboxylase, structural 1 Mus musculus 132-135 9890191-7 1999 Pretreating with alpha-difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, which is a key enzyme in polyamine biosynthesis and therefore used to deplete cellular polyamine, prevented the protective effect of taurine. Eflornithine 17-46 ornithine decarboxylase 1 Rattus norvegicus 77-100 9850069-3 1998 We studied whether the increased esophageal cell proliferation and susceptibility to NMBA-induced carcinogenesis induced by zinc deficiency can be inhibited by alpha-difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (the first enzyme in polyamine synthesis). Eflornithine 160-189 ornithine decarboxylase 1 Rattus norvegicus 245-268 9850069-3 1998 We studied whether the increased esophageal cell proliferation and susceptibility to NMBA-induced carcinogenesis induced by zinc deficiency can be inhibited by alpha-difluoromethylornithine (DFMO), an enzyme-activated, irreversible inhibitor of ornithine decarboxylase (the first enzyme in polyamine synthesis). Eflornithine 191-195 ornithine decarboxylase 1 Rattus norvegicus 245-268 9850069-11 1998 In addition, the expression of bax protein, an apoptosis accelerator, was markedly stronger in esophagi from Zn-/DFMO+ animals that showed increased apoptosis, whereas increased expression of bcl-2, an inhibitor of apoptosis, was only seen in the highly proliferative, zinc-deficient esophagus (Zn-/DFMO-). Eflornithine 113-117 BCL2 associated X, apoptosis regulator Rattus norvegicus 31-34 9850069-11 1998 In addition, the expression of bax protein, an apoptosis accelerator, was markedly stronger in esophagi from Zn-/DFMO+ animals that showed increased apoptosis, whereas increased expression of bcl-2, an inhibitor of apoptosis, was only seen in the highly proliferative, zinc-deficient esophagus (Zn-/DFMO-). Eflornithine 299-303 BCL2 associated X, apoptosis regulator Rattus norvegicus 31-34 9829706-1 1998 DFMO is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 37-60 9829706-1 1998 DFMO is an irreversible inhibitor of ornithine decarboxylase (ODC), the key enzyme in mammalian polyamine biosynthesis. Eflornithine 0-4 ornithine decarboxylase 1 Homo sapiens 62-65 9829706-2 1998 The goal of this study was to determine the effects of DFMO 0.5 g/m2/day as a single oral dose on polyamine and ODC levels in rectal, rectosigmoidal, and cecal colonic mucosae of individuals at risk for colon cancer because of a personal history of adenomatous polyps of the colon or a family history of colon cancer in at least one first-degree relative. Eflornithine 55-59 ornithine decarboxylase 1 Homo sapiens 112-115 9772292-5 1998 Clinical trials with 2-(difluoromethyl)ornithine, a selective inactivator of ornithine decarboxylase, a key enzyme of polyamine biosynthesis, are promising. Eflornithine 21-48 ornithine decarboxylase 1 Homo sapiens 77-100 28976654-8 1998 Additionally, stimulation of epithelial growth by EGF was also blocked by depletion of cellular polyamines in DFMO-treated oesophageal explants. Eflornithine 110-114 pro-epidermal growth factor Oryctolagus cuniculus 50-53 9769382-1 1998 The mechanism by which DL-alpha-difluoromethylornithine (DFMO) inhibits angiogenesis is generally thought to involve the inhibition of the rate-limiting enzyme, ornithine decarboxylase (ODC), leading to polyamine depletion in cells and the ultimate cytostatic effect on proliferating endothelial cells. Eflornithine 23-55 ornithine decarboxylase, structural 1 Mus musculus 161-184 9769382-1 1998 The mechanism by which DL-alpha-difluoromethylornithine (DFMO) inhibits angiogenesis is generally thought to involve the inhibition of the rate-limiting enzyme, ornithine decarboxylase (ODC), leading to polyamine depletion in cells and the ultimate cytostatic effect on proliferating endothelial cells. Eflornithine 23-55 ornithine decarboxylase, structural 1 Mus musculus 186-189 9769382-1 1998 The mechanism by which DL-alpha-difluoromethylornithine (DFMO) inhibits angiogenesis is generally thought to involve the inhibition of the rate-limiting enzyme, ornithine decarboxylase (ODC), leading to polyamine depletion in cells and the ultimate cytostatic effect on proliferating endothelial cells. Eflornithine 57-61 ornithine decarboxylase, structural 1 Mus musculus 161-184 9769382-1 1998 The mechanism by which DL-alpha-difluoromethylornithine (DFMO) inhibits angiogenesis is generally thought to involve the inhibition of the rate-limiting enzyme, ornithine decarboxylase (ODC), leading to polyamine depletion in cells and the ultimate cytostatic effect on proliferating endothelial cells. Eflornithine 57-61 ornithine decarboxylase, structural 1 Mus musculus 186-189