PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 29352075-6 2018 The O-GlcNAc modification is regulated through hexosamine biosynthetic pathway. Hexosamines 47-57 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 4-12 28541026-5 2017 Benfotiamine acts via the activation of transketolase and thereby inhibits alternative pathways triggered by uncontrolled glucose influx in the cells comprising polyol, hexosamine, protein-kinase-C pathways and formation of advanced glycation end products. Hexosamines 169-179 transketolase Homo sapiens 40-53 28782471-5 2018 OBJECTIVE: We aimed to explore the association of EMT and metastasis with TGF-beta1 through regulation of non-muscle myosin II-A (NMII-A) and its interaction with Hexosamine Biosynthesis Pathway (HBP). Hexosamines 163-173 transforming growth factor, beta 1 Mus musculus 74-83 29227474-0 2018 A proteolytic fragment of histone deacetylase 4 protects the heart from failure by regulating the hexosamine biosynthetic pathway. Hexosamines 98-108 histone deacetylase 4 Mus musculus 26-47 29227474-3 2018 Virus-mediated transfer of the portion of the Hdac4 gene encoding HDAC4-NT into the mouse myocardium protected the heart from remodeling and failure; this was associated with decreased expression of Nr4a1, which encodes a nuclear orphan receptor, and decreased NR4A1-dependent activation of the hexosamine biosynthetic pathway (HBP). Hexosamines 295-305 histone deacetylase 4 Mus musculus 46-51 29227474-3 2018 Virus-mediated transfer of the portion of the Hdac4 gene encoding HDAC4-NT into the mouse myocardium protected the heart from remodeling and failure; this was associated with decreased expression of Nr4a1, which encodes a nuclear orphan receptor, and decreased NR4A1-dependent activation of the hexosamine biosynthetic pathway (HBP). Hexosamines 295-305 histone deacetylase 4 Mus musculus 66-71 29227474-3 2018 Virus-mediated transfer of the portion of the Hdac4 gene encoding HDAC4-NT into the mouse myocardium protected the heart from remodeling and failure; this was associated with decreased expression of Nr4a1, which encodes a nuclear orphan receptor, and decreased NR4A1-dependent activation of the hexosamine biosynthetic pathway (HBP). Hexosamines 295-305 nuclear receptor subfamily 4, group A, member 1 Mus musculus 199-204 28032668-4 2017 Transketolase diverts excess glycolytic metabolites from the hexosamine, protein kinase C, and advanced glycation endproduct pathways to the pentose phosphate pathway, with a protective effect against hyperglycaemia-induced damage. Hexosamines 61-71 transketolase Homo sapiens 0-13 28644127-5 2017 These phenotypes are caused by induction of p53 and accumulation of the glycolytic intermediate fructose 6-phosphate, leading to engagement of the hexosamine biosynthetic pathway (HBP), increased O-GlcNAcylation, and p53 stabilization. Hexosamines 147-157 tumor protein p53 Homo sapiens 44-47 28336748-5 2017 shows that glutamine:fructose-6-phosphate amidotransferase-1 (GFAT1), the rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), is a physiological substrate of AMPK. Hexosamines 102-112 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 11-60 28336748-5 2017 shows that glutamine:fructose-6-phosphate amidotransferase-1 (GFAT1), the rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), is a physiological substrate of AMPK. Hexosamines 102-112 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 62-67 28336748-5 2017 shows that glutamine:fructose-6-phosphate amidotransferase-1 (GFAT1), the rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), is a physiological substrate of AMPK. Hexosamines 102-112 protein kinase AMP-activated non-catalytic subunit beta 1 Homo sapiens 173-177 28423621-4 2017 GFPT1 is the the key rate-limiting enzyme of the hexosamine signaling pathway and governs TGFbeta1 production. Hexosamines 49-59 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-5 28423621-4 2017 GFPT1 is the the key rate-limiting enzyme of the hexosamine signaling pathway and governs TGFbeta1 production. Hexosamines 49-59 transforming growth factor beta 1 Homo sapiens 90-98 28319096-4 2017 By modulating the activity of the rate-limiting enzyme, glutamine-fructose-6-phosphate amidotransferase (GFAT), we demonstrate that hexosamine biosynthetic pathway (HBP) is involved in those processes. Hexosamines 132-142 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 56-103 28319096-4 2017 By modulating the activity of the rate-limiting enzyme, glutamine-fructose-6-phosphate amidotransferase (GFAT), we demonstrate that hexosamine biosynthetic pathway (HBP) is involved in those processes. Hexosamines 132-142 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 105-109 27996048-2 2016 The aberrant glucose metabolism is one of the hallmarks of cancer cells, and as a branch of glucose metabolism, hexosamine biosynthesis pathway (HBP) has been reported to play a critical role in the insulin resistance and progression of cancer. Hexosamines 112-122 insulin Homo sapiens 199-206 28008135-3 2017 GFAT1 is the rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP) and as such controls the modification of proteins by O-linked beta-N-acetylglucosamine (O-GlcNAc). Hexosamines 41-51 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-5 28008135-3 2017 GFAT1 is the rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP) and as such controls the modification of proteins by O-linked beta-N-acetylglucosamine (O-GlcNAc). Hexosamines 41-51 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 167-175 27515988-5 2016 TRIB2 can be O-GlcNAcylated by the hexosamine biosynthesis pathway (HBP). Hexosamines 35-45 tribbles pseudokinase 2 Mus musculus 0-5 27703839-0 2016 Formal modeling and analysis of the hexosamine biosynthetic pathway: role of O-linked N-acetylglucosamine transferase in oncogenesis and cancer progression. Hexosamines 36-46 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 77-117 27758869-0 2016 Hyaluronan Production Regulates Metabolic and Cancer Stem-like Properties of Breast Cancer Cells via Hexosamine Biosynthetic Pathway-coupled HIF-1 Signaling. Hexosamines 101-111 hypoxia inducible factor 1 subunit alpha Homo sapiens 141-146 26887390-0 2016 Hexosamine biosynthesis in keratinocytes: roles of GFAT and GNPDA enzymes in the maintenance of UDP-GlcNAc content and hyaluronan synthesis. Hexosamines 0-10 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 51-55 27570073-0 2016 mTORC2 Responds to Glutamine Catabolite Levels to Modulate the Hexosamine Biosynthesis Enzyme GFAT1. Hexosamines 63-73 CREB regulated transcription coactivator 2 Mus musculus 0-6 27570073-0 2016 mTORC2 Responds to Glutamine Catabolite Levels to Modulate the Hexosamine Biosynthesis Enzyme GFAT1. Hexosamines 63-73 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 94-99 27570073-4 2016 We elucidate how mTORC2 modulates a glutamine-requiring biosynthetic pathway, the hexosamine biosynthesis pathway (HBP) via regulation of expression of glutamine:fructose-6-phosphate amidotransferase 1 (GFAT1), the rate-limiting enzyme of the HBP. Hexosamines 82-92 CREB regulated transcription coactivator 2 Mus musculus 17-23 27570073-4 2016 We elucidate how mTORC2 modulates a glutamine-requiring biosynthetic pathway, the hexosamine biosynthesis pathway (HBP) via regulation of expression of glutamine:fructose-6-phosphate amidotransferase 1 (GFAT1), the rate-limiting enzyme of the HBP. Hexosamines 82-92 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 152-201 27570073-4 2016 We elucidate how mTORC2 modulates a glutamine-requiring biosynthetic pathway, the hexosamine biosynthesis pathway (HBP) via regulation of expression of glutamine:fructose-6-phosphate amidotransferase 1 (GFAT1), the rate-limiting enzyme of the HBP. Hexosamines 82-92 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 203-208 27588599-2 2016 (2016) find that mTORC2 responds to falling levels of glucose and glutamine catabolites, promoting glutaminolysis and preserving the TCA cycle and hexosamine biosynthesis. Hexosamines 147-157 CREB regulated transcription coactivator 2 Mus musculus 17-23 26887390-0 2016 Hexosamine biosynthesis in keratinocytes: roles of GFAT and GNPDA enzymes in the maintenance of UDP-GlcNAc content and hyaluronan synthesis. Hexosamines 0-10 glucosamine-6-phosphate deaminase 1 Homo sapiens 60-65 26887390-6 2016 However, when hexosamine biosynthesis was blocked by GFAT1 siRNA, the effect by GNPDAs was reversed, now catalyzing Fru6P towards GlcN6P, likely in an attempt to maintain UDP-GlcNAc content. Hexosamines 14-24 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 53-58 27252680-2 2016 O-GlcNAc transferase (OGT) transfers the GlcNAc residue from UDP-GlcNAc, the final product of the hexosamine biosynthetic pathway (HBP), whereas O-GlcNAcase (OGA) removes it. Hexosamines 98-108 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-20 27114449-3 2016 Here, we have developed an approach to isotopically label O-GlcNAc modifications on proteins by producing (13)C-labeled UDP-GlcNAc from (13)C6-glucose via the hexosamine biosynthetic pathway. Hexosamines 159-169 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 58-66 27509259-2 2016 Glutamine: fructose-6-phosphate amidotransferase 1 (GFAT1) is the first and rate-limiting enzyme of hexosamine biosynthesis pathway (HBP). Hexosamines 100-110 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-50 27509259-2 2016 Glutamine: fructose-6-phosphate amidotransferase 1 (GFAT1) is the first and rate-limiting enzyme of hexosamine biosynthesis pathway (HBP). Hexosamines 100-110 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 52-57 27311888-2 2016 GLUT2 can transport the amino sugar glucosamine (GlcN), which could increase substrate for the hexosamine biosynthetic pathway (HBSP) that produces UDP-N-acetylglucosamine for O-linked N-acetylglucosamine modification (O-GlcNAcylation) of proteins. Hexosamines 95-105 solute carrier family 2 (facilitated glucose transporter), member 2 Mus musculus 0-5 27255611-0 2016 Nutrient shortage triggers the hexosamine biosynthetic pathway via the GCN2-ATF4 signalling pathway. Hexosamines 31-41 eukaryotic translation initiation factor 2 alpha kinase 4 Homo sapiens 71-75 27255611-0 2016 Nutrient shortage triggers the hexosamine biosynthetic pathway via the GCN2-ATF4 signalling pathway. Hexosamines 31-41 activating transcription factor 4 Homo sapiens 76-80 27072115-5 2016 Additionally, 2 novel PTMs in ITIH3 were identified and included citrullination at arginine-(546) and arginine-(556), and hexosamine at tryptophan-(558). Hexosamines 122-132 inter-alpha-trypsin inhibitor heavy chain 3 Homo sapiens 30-35 27072115-9 2016 Besides, hexosamine and citrullination on ITIH3 were further identified. Hexosamines 9-19 inter-alpha-trypsin inhibitor heavy chain 3 Homo sapiens 42-47 27252680-2 2016 O-GlcNAc transferase (OGT) transfers the GlcNAc residue from UDP-GlcNAc, the final product of the hexosamine biosynthetic pathway (HBP), whereas O-GlcNAcase (OGA) removes it. Hexosamines 98-108 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 22-25 27252680-2 2016 O-GlcNAc transferase (OGT) transfers the GlcNAc residue from UDP-GlcNAc, the final product of the hexosamine biosynthetic pathway (HBP), whereas O-GlcNAcase (OGA) removes it. Hexosamines 98-108 O-GlcNAcase Homo sapiens 145-156 27252680-2 2016 O-GlcNAc transferase (OGT) transfers the GlcNAc residue from UDP-GlcNAc, the final product of the hexosamine biosynthetic pathway (HBP), whereas O-GlcNAcase (OGA) removes it. Hexosamines 98-108 O-GlcNAcase Homo sapiens 158-161 26923859-0 2016 Elevated glucose levels impair the WNT/beta-catenin pathway via the activation of the hexosamine biosynthesis pathway in endometrial cancer. Hexosamines 86-96 catenin beta 1 Homo sapiens 39-51 26923859-5 2016 Previous studies have suggested that elevated concentrations of glucose can drive the hexosamine biosynthesis pathway (HBP) flux, thereby enhancing the O-GlcNAc modification of proteins. Hexosamines 86-96 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 152-160 26825459-5 2016 Mechanistically, AGER activated a hexosamine biosynthetic pathway, leading to enhanced O-GlcNAcylation of target proteins. Hexosamines 34-44 advanced glycosylation end-product specific receptor Homo sapiens 17-21 26878908-0 2016 Regulatory role of hexosamine biosynthetic pathway on hepatic cancer stem cell marker CD133 under low glucose conditions. Hexosamines 19-29 prominin 1 Homo sapiens 86-91 25900369-12 2016 CONCLUSIONS: Our data identify NDPKB as a protective factor in the retina, which controls Ang2 expression and the hexosamine pathway. Hexosamines 114-124 NME/NM23 nucleoside diphosphate kinase 2 Mus musculus 31-36 26499076-1 2015 Glycolysis, the primary pathway metabolizing glucose for energy production, is connected to the hexosamine biosynthetic pathway (HBP) which produces UDP-N-acetylglucosamine (UDP-GlcNAc), a GlcNAc donor for O-linked GlcNAc modification (O-GlcNAc), as well as for traditional elongated glycosylation. Hexosamines 96-106 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 236-244 26561297-4 2015 Adenovirus-induced MYC activation promotes increased glutamine uptake, increased use of glutamine in reductive carboxylation and increased use of glutamine in generating hexosamine pathway intermediates and specific amino acids. Hexosamines 170-180 MYC proto-oncogene, bHLH transcription factor Homo sapiens 19-22 26501342-1 2015 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the first enzyme of the hexosamine biosynthetic pathway. Hexosamines 81-91 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-45 26501342-1 2015 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the first enzyme of the hexosamine biosynthetic pathway. Hexosamines 81-91 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 47-52 26377577-2 2015 METHODS: In the present study we further examined if hexosamine pathway, one of the most important pathways of glucose turnover, being involved in modulating apoM expression in the hyperglycemia condition. Hexosamines 53-63 apolipoprotein M Homo sapiens 158-162 26377577-6 2015 The glucosamine induced upregulation of apoM expression could be blocked by addition of azaserine, an inhibitor of hexosamine pathway. Hexosamines 115-125 apolipoprotein M Homo sapiens 40-44 26160456-7 2015 Transcriptional changes induced by LXRalpha overexpression promoted energy-independent utilization of glucose via the hexosamine biosynthesis pathway, resulting in O-GlcNAc modification of GATA4 and Mef2c and the induction of cytoprotective natriuretic peptide expression. Hexosamines 118-128 nuclear receptor subfamily 1, group H, member 3 Mus musculus 35-43 26160456-7 2015 Transcriptional changes induced by LXRalpha overexpression promoted energy-independent utilization of glucose via the hexosamine biosynthesis pathway, resulting in O-GlcNAc modification of GATA4 and Mef2c and the induction of cytoprotective natriuretic peptide expression. Hexosamines 118-128 GATA binding protein 4 Mus musculus 189-194 26160456-7 2015 Transcriptional changes induced by LXRalpha overexpression promoted energy-independent utilization of glucose via the hexosamine biosynthesis pathway, resulting in O-GlcNAc modification of GATA4 and Mef2c and the induction of cytoprotective natriuretic peptide expression. Hexosamines 118-128 myocyte enhancer factor 2C Mus musculus 199-204 25241896-3 2015 Here we assess the levels of all hexosamine biosynthetic pathway (HBP) enzymes in 15 separate clinical gene expression data sets and identify the last enzyme in the pathway, UDP-N-acetylglucosamine pyrophosphorylase 1 (UAP1), to be highly overexpressed in prostate cancer. Hexosamines 33-43 UDP-N-acetylglucosamine pyrophosphorylase 1 Homo sapiens 174-217 25241896-3 2015 Here we assess the levels of all hexosamine biosynthetic pathway (HBP) enzymes in 15 separate clinical gene expression data sets and identify the last enzyme in the pathway, UDP-N-acetylglucosamine pyrophosphorylase 1 (UAP1), to be highly overexpressed in prostate cancer. Hexosamines 33-43 UDP-N-acetylglucosamine pyrophosphorylase 1 Homo sapiens 219-223 25627821-2 2015 In particular, diabetes can augment flux through accessory pathways of glucose metabolism, such as the hexosamine biosynthetic pathway (HBP), which produces the sugar donor for the beta-O-linked-N-acetylglucosamine (O-GlcNAc) post-translational modification of proteins. Hexosamines 103-113 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 216-224 25663381-7 2015 Our data suggest that the activation of the hexosamine biosynthetic pathway directly increased OGT levels and activity, triggering changes in glycosylation and PASMC proliferation. Hexosamines 44-54 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 95-98 25663381-10 2015 CONCLUSIONS: Our data demonstrate that hexosamine biosynthetic pathway flux is increased in IPAH and drives OGT-facilitated PASMC proliferation through specific proteolysis and direct activation of host cell factor-1. Hexosamines 39-49 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 108-111 25663381-10 2015 CONCLUSIONS: Our data demonstrate that hexosamine biosynthetic pathway flux is increased in IPAH and drives OGT-facilitated PASMC proliferation through specific proteolysis and direct activation of host cell factor-1. Hexosamines 39-49 host cell factor C1 Homo sapiens 198-216 25568075-0 2015 In vivo and in vitro evidence that chronic activation of the hexosamine biosynthetic pathway interferes with leptin-dependent STAT3 phosphorylation. Hexosamines 61-71 signal transducer and activator of transcription 3 Mus musculus 126-131 25488668-6 2015 Despite the relatively low Km value for UDP-GlcNAc, EOGT-catalyzed GlcNAcylation depends on the hexosamine pathway, as revealed by the increased O-GlcNAcylation of Notch1 EGF repeats upon supplementation with hexosamine, suggesting differential regulation of the luminal UDP-GlcNAc concentration in the ER and Golgi. Hexosamines 96-106 EGF domain specific O-linked N-acetylglucosamine transferase Homo sapiens 52-56 25488668-6 2015 Despite the relatively low Km value for UDP-GlcNAc, EOGT-catalyzed GlcNAcylation depends on the hexosamine pathway, as revealed by the increased O-GlcNAcylation of Notch1 EGF repeats upon supplementation with hexosamine, suggesting differential regulation of the luminal UDP-GlcNAc concentration in the ER and Golgi. Hexosamines 96-106 notch receptor 1 Homo sapiens 164-170 25488668-6 2015 Despite the relatively low Km value for UDP-GlcNAc, EOGT-catalyzed GlcNAcylation depends on the hexosamine pathway, as revealed by the increased O-GlcNAcylation of Notch1 EGF repeats upon supplementation with hexosamine, suggesting differential regulation of the luminal UDP-GlcNAc concentration in the ER and Golgi. Hexosamines 209-219 EGF domain specific O-linked N-acetylglucosamine transferase Homo sapiens 52-56 25488668-6 2015 Despite the relatively low Km value for UDP-GlcNAc, EOGT-catalyzed GlcNAcylation depends on the hexosamine pathway, as revealed by the increased O-GlcNAcylation of Notch1 EGF repeats upon supplementation with hexosamine, suggesting differential regulation of the luminal UDP-GlcNAc concentration in the ER and Golgi. Hexosamines 209-219 notch receptor 1 Homo sapiens 164-170 25628602-1 2014 Accumulating evidence suggests that O-GlcNAc transferase, an enzyme responsible for O-GlcNAc post-translational modification acts as a nutrient sensor that links glucose and the hexosamine biosynthetic pathway to the regulation of transcriptional factors involved in energy homeostasis. Hexosamines 178-188 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 36-44 25628602-1 2014 Accumulating evidence suggests that O-GlcNAc transferase, an enzyme responsible for O-GlcNAc post-translational modification acts as a nutrient sensor that links glucose and the hexosamine biosynthetic pathway to the regulation of transcriptional factors involved in energy homeostasis. Hexosamines 178-188 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 84-92 26583147-0 2015 Hexosamine-Induced TGF-beta Signaling and Osteogenic Differentiation of Dental Pulp Stem Cells Are Dependent on N-Acetylglucosaminyltransferase V. Hexosamines 0-10 alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase Homo sapiens 112-145 26583147-9 2015 These results suggest that GnT-V plays a critical role in the hexosamine-induced activation of TGF-beta signaling and subsequent osteogenic differentiation of DPSCs. Hexosamines 62-72 alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase Homo sapiens 27-32 24759912-10 2014 Uridine 5"-diphosphate-N-acetylglucosamine (UDP-GlcNAc) is the donor sugar substrate for OGT and its levels vary with cellular glucose availability because it is generated from glucose through the hexosamine biosynthetic pathway (HBSP). Hexosamines 197-207 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 89-92 25203141-3 2014 The accumulation of excess energy associated with obesity and insulin resistance is mediated, in part, by the hexosamine biosynthetic pathway (HBP), which results in the O-GlcNAcylation of a myriad of proteins, thereby affecting their respective function, stability, and localization. Hexosamines 110-120 insulin Homo sapiens 62-69 25148700-4 2014 In DM, the excess of glucose in the brain induces higher activity of the hexosamine biosynthesis pathway (HBP), it synthesizes UDP-N-acetylglucosamine (UDP-GlcNAc), which is used by O-linked N-acetylglucosamine transferase (OGT) to catalyze O-GlcNAcylation of numerous proteins. Hexosamines 73-83 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 182-222 25148700-4 2014 In DM, the excess of glucose in the brain induces higher activity of the hexosamine biosynthesis pathway (HBP), it synthesizes UDP-N-acetylglucosamine (UDP-GlcNAc), which is used by O-linked N-acetylglucosamine transferase (OGT) to catalyze O-GlcNAcylation of numerous proteins. Hexosamines 73-83 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 224-227 24742675-0 2014 N-glycan remodeling on glucagon receptor is an effector of nutrient sensing by the hexosamine biosynthesis pathway. Hexosamines 83-93 glucagon receptor Homo sapiens 23-40 25250015-5 2014 Accumulating evidence suggests that O-GlcNAc transferase (OGT), an enzyme responsible for modification of proteins with N-acetylglucosamine, may act as a nutrient sensor that links hexosamine biosynthesis pathway to oncogenic signaling and regulation of factors involved in glucose and lipid metabolism. Hexosamines 181-191 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 36-56 25250015-5 2014 Accumulating evidence suggests that O-GlcNAc transferase (OGT), an enzyme responsible for modification of proteins with N-acetylglucosamine, may act as a nutrient sensor that links hexosamine biosynthesis pathway to oncogenic signaling and regulation of factors involved in glucose and lipid metabolism. Hexosamines 181-191 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 58-61 25294759-7 2014 AGEs and RAGE together with further mechanisms - hexosamine pathway, polyol pathway, lipid metabolism disorder, activation of proteinkinase C, oxidative stress and inflammatory reaction take part in the pathogenesis of diabetic complications. Hexosamines 49-59 advanced glycosylation end-product specific receptor Homo sapiens 9-13 24938479-0 2014 The hexosamine biosynthesis pathway and O-GlcNAcylation maintain insulin-stimulated PI3K-PKB phosphorylation and tumour cell growth after short-term glucose deprivation. Hexosamines 4-14 insulin Homo sapiens 65-72 24938479-0 2014 The hexosamine biosynthesis pathway and O-GlcNAcylation maintain insulin-stimulated PI3K-PKB phosphorylation and tumour cell growth after short-term glucose deprivation. Hexosamines 4-14 protein tyrosine kinase 2 beta Homo sapiens 89-92 24845581-9 2014 Inhibition of hexosamine biosynthesis with 6-diazo-5-oxonorleucine abrogated high glucose-induced O-GlcNAc modification and inactivation of IRS-1/Akt as well as cell injury. Hexosamines 14-24 insulin receptor substrate 1 Canis lupus familiaris 140-145 24845581-9 2014 Inhibition of hexosamine biosynthesis with 6-diazo-5-oxonorleucine abrogated high glucose-induced O-GlcNAc modification and inactivation of IRS-1/Akt as well as cell injury. Hexosamines 14-24 AKT serine/threonine kinase 1 Rattus norvegicus 146-149 24742675-8 2014 Our results reveal that the hexosamine biosynthesis pathway and GlcNAc salvage contribute to glucose homeostasis through N-glycan branching on glucagon receptor. Hexosamines 28-38 glucagon receptor Homo sapiens 143-160 24604252-3 2014 The enzymes 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3) and glutaminase-1 (GLS1) maintain a high abundance in glycolytic intermediates (for synthesis of non-essential amino acids, the use of ribose for the synthesis of nucleotides and hexosamine biosynthesis), as well as tricarboxylic acid cycle intermediates (replenishing the loss of mitochondrial citrate), respectively. Hexosamines 254-264 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 Homo sapiens 12-65 24604252-3 2014 The enzymes 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3) and glutaminase-1 (GLS1) maintain a high abundance in glycolytic intermediates (for synthesis of non-essential amino acids, the use of ribose for the synthesis of nucleotides and hexosamine biosynthesis), as well as tricarboxylic acid cycle intermediates (replenishing the loss of mitochondrial citrate), respectively. Hexosamines 254-264 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 Homo sapiens 67-73 24604252-3 2014 The enzymes 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3) and glutaminase-1 (GLS1) maintain a high abundance in glycolytic intermediates (for synthesis of non-essential amino acids, the use of ribose for the synthesis of nucleotides and hexosamine biosynthesis), as well as tricarboxylic acid cycle intermediates (replenishing the loss of mitochondrial citrate), respectively. Hexosamines 254-264 glutaminase Homo sapiens 79-92 24604252-3 2014 The enzymes 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3) and glutaminase-1 (GLS1) maintain a high abundance in glycolytic intermediates (for synthesis of non-essential amino acids, the use of ribose for the synthesis of nucleotides and hexosamine biosynthesis), as well as tricarboxylic acid cycle intermediates (replenishing the loss of mitochondrial citrate), respectively. Hexosamines 254-264 glutaminase Homo sapiens 94-98 24692660-7 2014 Taken together, these results reveal a crosstalk between the LKB1-AMPK and the hexosamine biosynthesis (HBP)-OGT pathways, which coordinate together for the sensing of nutrient state and regulation of gene transcription. Hexosamines 79-89 serine/threonine kinase 11 Homo sapiens 61-65 24921011-4 2014 Although both OGT and EOGT are regulated through the common hexosamine biosynthesis pathway, EOGT localizes to the lumen of the endoplasmic reticulum and transfers GlcNAc to epidermal growth factor-like domains in an OGT-independent manner. Hexosamines 60-70 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 14-17 24921011-4 2014 Although both OGT and EOGT are regulated through the common hexosamine biosynthesis pathway, EOGT localizes to the lumen of the endoplasmic reticulum and transfers GlcNAc to epidermal growth factor-like domains in an OGT-independent manner. Hexosamines 60-70 EGF domain specific O-linked N-acetylglucosamine transferase Homo sapiens 22-26 24614744-4 2014 The sensitivity of GluA4 AMPA receptors to human galectin-1 could be enhanced by supplementation of culture media with uridine and N-acetylglucosamine (GlcNAc), precursors for the hexosamine pathway that supplies UDP-GlcNAc for synthesis of complex oligosaccharides. Hexosamines 180-190 galectin 1 Homo sapiens 49-59 24037988-4 2014 Here we studied whether the glucose nonoxidative hexosamine biosynthetic pathway modulates FXR activity. Hexosamines 49-59 nuclear receptor subfamily 1 group H member 4 Homo sapiens 91-94 24037988-9 2014 CONCLUSION: FXR activity is regulated by glucose fluxes in hepatocytes through a direct posttranslational modification catalyzed by the glucose-sensing hexosamine biosynthetic pathway. Hexosamines 152-162 nuclear receptor subfamily 1 group H member 4 Homo sapiens 12-15 24692660-7 2014 Taken together, these results reveal a crosstalk between the LKB1-AMPK and the hexosamine biosynthesis (HBP)-OGT pathways, which coordinate together for the sensing of nutrient state and regulation of gene transcription. Hexosamines 79-89 protein kinase AMP-activated catalytic subunit alpha 2 Homo sapiens 66-70 24692660-7 2014 Taken together, these results reveal a crosstalk between the LKB1-AMPK and the hexosamine biosynthesis (HBP)-OGT pathways, which coordinate together for the sensing of nutrient state and regulation of gene transcription. Hexosamines 79-89 heme binding protein 1 Homo sapiens 104-107 24692660-7 2014 Taken together, these results reveal a crosstalk between the LKB1-AMPK and the hexosamine biosynthesis (HBP)-OGT pathways, which coordinate together for the sensing of nutrient state and regulation of gene transcription. Hexosamines 79-89 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 109-112 27896086-1 2014 The hexosamine biosynthetic pathway (HBP) culminates in the attachment of O-linked beta-N-acetylglucosamine (O-GlcNAc) onto serine/threonine residues of target proteins. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 74-117 24524620-2 2014 The dynamic and inducible cycling of the modification is governed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA) in response to UDP-GlcNAc levels in the hexosamine biosynthetic pathway (HBP). Hexosamines 158-168 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 69-89 24550151-4 2014 Hyperglycemia and diabetes result in increased flux through the hexosamine biosynthetic pathway, which, in turn, results in increased PTM of Ser/Thr residues of proteins by O-linked beta-N-acetylglucosamine (O-GlcNAc). Hexosamines 64-74 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 208-216 24630721-1 2014 The hexosamine biosynthetic pathway (HBP) generates uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) for glycan synthesis and O-linked GlcNAc (O-GlcNAc) protein modifications. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 97-103 24630721-0 2014 Spliced X-box binding protein 1 couples the unfolded protein response to hexosamine biosynthetic pathway. Hexosamines 73-83 X-box binding protein 1 Homo sapiens 8-31 24630721-1 2014 The hexosamine biosynthetic pathway (HBP) generates uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) for glycan synthesis and O-linked GlcNAc (O-GlcNAc) protein modifications. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 139-145 24630721-1 2014 The hexosamine biosynthetic pathway (HBP) generates uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) for glycan synthesis and O-linked GlcNAc (O-GlcNAc) protein modifications. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 147-155 24451986-8 2014 COCs matured with EGF or EGF-like peptides exhibited significantly higher mRNA expression of the hexosamine biosynthesis pathway (HBP) rate-limiting enzyme gene Gfpt2, Has2 expression, and global beta-O-linked glycosylation of proteins, compared to control or FSH, suggesting greater HBP activity. Hexosamines 97-107 epidermal growth factor Mus musculus 18-21 24451986-8 2014 COCs matured with EGF or EGF-like peptides exhibited significantly higher mRNA expression of the hexosamine biosynthesis pathway (HBP) rate-limiting enzyme gene Gfpt2, Has2 expression, and global beta-O-linked glycosylation of proteins, compared to control or FSH, suggesting greater HBP activity. Hexosamines 97-107 epidermal growth factor Mus musculus 25-28 24451986-8 2014 COCs matured with EGF or EGF-like peptides exhibited significantly higher mRNA expression of the hexosamine biosynthesis pathway (HBP) rate-limiting enzyme gene Gfpt2, Has2 expression, and global beta-O-linked glycosylation of proteins, compared to control or FSH, suggesting greater HBP activity. Hexosamines 97-107 glutamine fructose-6-phosphate transaminase 2 Mus musculus 161-166 24524620-2 2014 The dynamic and inducible cycling of the modification is governed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA) in response to UDP-GlcNAc levels in the hexosamine biosynthetic pathway (HBP). Hexosamines 158-168 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 91-94 24524620-2 2014 The dynamic and inducible cycling of the modification is governed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA) in response to UDP-GlcNAc levels in the hexosamine biosynthetic pathway (HBP). Hexosamines 158-168 O-GlcNAcase Homo sapiens 100-111 24524620-2 2014 The dynamic and inducible cycling of the modification is governed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA) in response to UDP-GlcNAc levels in the hexosamine biosynthetic pathway (HBP). Hexosamines 158-168 O-GlcNAcase Homo sapiens 113-116 24316969-6 2014 Loss of epithelial integrity involved activation of RAP1 via exchange protein directly activated by cAMP (EPAC), involving also O-linked N-acetylglucosamine modification downstream of the hexosamine biosynthetic pathway. Hexosamines 188-198 RAP1A, member of RAS oncogene family Homo sapiens 52-56 24075873-1 2014 The enzyme glucosamine-6P Synthase (Gfat, L-glutamine:D-fructose-6P amidotransferase) is involved in the hexosamine biosynthetic pathway and catalyzes the formation of glucosamine-6P from the substrates d-fructose-6-phosphate and l-glutamine. Hexosamines 105-115 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 36-40 24129563-6 2013 We further show that triptolide inhibits glycosylation of Sp1, inhibiting the hexosamine biosynthesis pathway, particularly the enzyme O-GlcNAc transferase. Hexosamines 78-88 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 135-143 23990361-0 2013 TRIB3 mediates glucose-induced insulin resistance via a mechanism that requires the hexosamine biosynthetic pathway. Hexosamines 84-94 tribbles pseudokinase 3 Rattus norvegicus 0-5 24036392-0 2013 Differential O-3/O-4 selectivity in the glycosylation of N-dimethylmaleoyl-protected hexosamine acceptors: effect of a conformationally armed (superarmed) glycosyl donor. Hexosamines 85-95 immunoglobulin kappa variable 2D-38 (pseudogene) Homo sapiens 13-16 24036392-0 2013 Differential O-3/O-4 selectivity in the glycosylation of N-dimethylmaleoyl-protected hexosamine acceptors: effect of a conformationally armed (superarmed) glycosyl donor. Hexosamines 85-95 immunoglobulin kappa variable 1D-37 (non-functional) Homo sapiens 17-20 23836420-3 2013 O-GlcNAc was termed a nutritional sensor, as global levels of the modification are elevated in response to increased glucose and glutamine flux into the hexosamine biosynthetic pathway. Hexosamines 153-163 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-8 23720054-2 2013 The hexosamine biosynthetic pathway (HBP) senses metabolic status and produces an essential substrate for O-linked beta-N-acetylglucosamine transferase (OGT), which glycosylates and thereby modulates the function of its target proteins. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 106-151 23720054-2 2013 The hexosamine biosynthetic pathway (HBP) senses metabolic status and produces an essential substrate for O-linked beta-N-acetylglucosamine transferase (OGT), which glycosylates and thereby modulates the function of its target proteins. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 153-156 23593224-8 2013 Glucose effect involves hexosamine (HBP) biosynthetic pathway as overexpression of glutamine: fructose-6-phosphate amidotransferase increases mesenchymal markers, onfFN levels and mRNA levels for FN IIICS domain. Hexosamines 24-34 heme binding protein 1 Homo sapiens 36-39 23868065-0 2013 Glucose starvation induces cell death in K-ras-transformed cells by interfering with the hexosamine biosynthesis pathway and activating the unfolded protein response. Hexosamines 89-99 KRAS proto-oncogene, GTPase Homo sapiens 41-46 23569079-2 2013 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is a key rate-limiting enzyme in the hexosamine biosynthetic pathway providing building blocks for the glycosylation of proteins and lipids. Hexosamines 91-101 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-45 23569079-2 2013 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is a key rate-limiting enzyme in the hexosamine biosynthetic pathway providing building blocks for the glycosylation of proteins and lipids. Hexosamines 91-101 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 47-52 23935944-2 2013 O-linked N-acetylgluocosmaine transferase (OGT) uses UDP-GlcNAc, produced in the hexosamine biosynthetic pathway to O-GlcNacylate proteins. Hexosamines 81-91 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-41 23935944-2 2013 O-linked N-acetylgluocosmaine transferase (OGT) uses UDP-GlcNAc, produced in the hexosamine biosynthetic pathway to O-GlcNacylate proteins. Hexosamines 81-91 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 43-46 23724116-3 2013 In this study we report that AR-positive prostate cancer cell-lines express 50% higher levels of enzymes in the hexosamine biosynthesis pathway (HBP) than AR-negative prostate cell-lines. Hexosamines 112-122 androgen receptor Homo sapiens 29-31 22985933-3 2013 Glucose metabolism via the hexosamine biosynthesis pathway plays a central role in regulating O-GlcNAc synthesis; consequently, sustained increases in O-GlcNAc levels have been implicated in glucose toxicity and insulin resistance. Hexosamines 27-37 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 94-102 22985933-3 2013 Glucose metabolism via the hexosamine biosynthesis pathway plays a central role in regulating O-GlcNAc synthesis; consequently, sustained increases in O-GlcNAc levels have been implicated in glucose toxicity and insulin resistance. Hexosamines 27-37 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 151-159 22985933-3 2013 Glucose metabolism via the hexosamine biosynthesis pathway plays a central role in regulating O-GlcNAc synthesis; consequently, sustained increases in O-GlcNAc levels have been implicated in glucose toxicity and insulin resistance. Hexosamines 27-37 insulin Homo sapiens 212-219 23516573-4 2013 In this study, we evaluated a platform technology of multiple functionalized hexosamines, namely 3,4,6-O-tributanoylated-N-acetylgalactosamine (3,4,6-O-Bu3GalNAc), 3,4,6-O-tributanoylated-N-acetylmannosamine (3,4,6-O-Bu3ManNAc) and 3,4,6-O-Bu3GlcNAc, with the potential ability to reduce NFkappaB activity. Hexosamines 77-88 nuclear factor kappa B subunit 1 Homo sapiens 288-296 23395176-3 2013 Here we show that the hexosamine/O-GlcNAc pathway modulates peripheral clock oscillation. Hexosamines 22-32 circadian locomotor output cycles kaput Mus musculus 71-76 23301498-7 2013 About 200 proteins including several key players involved in the hexosamine signaling pathway showed significantly increased O-GlcNAcylation levels in response to the drug, which further strengthens the link of O-GlcNAc protein modification to cellular nutrient sensing and response. Hexosamines 65-75 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 125-133 23516573-5 2013 Exposure of IL-1beta-stimulated chondrocytes to the hexosamine analogs resulted in increased expression of ECM molecules and a corresponding improvement in cartilage-specific ECM accumulation. Hexosamines 52-62 interleukin 1 beta Homo sapiens 12-20 23516573-5 2013 Exposure of IL-1beta-stimulated chondrocytes to the hexosamine analogs resulted in increased expression of ECM molecules and a corresponding improvement in cartilage-specific ECM accumulation. Hexosamines 52-62 multimerin 1 Homo sapiens 107-110 23516573-8 2013 These studies established the disease modification potential of a hexosamine analog platform on IL-1beta-stimulated chondrocytes. Hexosamines 66-76 interleukin 1 beta Homo sapiens 96-104 23767808-1 2013 Glutamine: fructose-6-phosphate amidotransferase (GFAT), also termed GFPT1 and GFAT1, catalyzes the first committed step of the hexosamine biosynthesis pathway in mammals and consequently plays an important role in type 2 diabetes. Hexosamines 128-138 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-48 23767808-1 2013 Glutamine: fructose-6-phosphate amidotransferase (GFAT), also termed GFPT1 and GFAT1, catalyzes the first committed step of the hexosamine biosynthesis pathway in mammals and consequently plays an important role in type 2 diabetes. Hexosamines 128-138 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 50-54 23767808-1 2013 Glutamine: fructose-6-phosphate amidotransferase (GFAT), also termed GFPT1 and GFAT1, catalyzes the first committed step of the hexosamine biosynthesis pathway in mammals and consequently plays an important role in type 2 diabetes. Hexosamines 128-138 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 69-74 23767808-1 2013 Glutamine: fructose-6-phosphate amidotransferase (GFAT), also termed GFPT1 and GFAT1, catalyzes the first committed step of the hexosamine biosynthesis pathway in mammals and consequently plays an important role in type 2 diabetes. Hexosamines 128-138 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 79-84 23066116-2 2012 OBJECTIVE: The hexosamine biosynthetic pathway usually acts as a fuel sensor, and its activation leads to O-linked beta-N-acetylglucosamine (O-GlcNAc) modification of target proteins (O-GlcNAcylation) in a glucose-responsive manner. Hexosamines 15-25 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 141-149 23066116-4 2012 Because higher hexosamine biosynthetic pathway flux is linked to insulin resistance/type 2 diabetes, we hypothesized that increased O-GlcNAcylation of leukocyte proteins can detect the onset of pre- and overt diabetes. Hexosamines 15-25 insulin Homo sapiens 65-72 22874425-8 2012 Levels of the rate-limiting enzyme of the hexosamine biosynthetic pathway, glutamine:fructose-6-phosphate amidotransferase (GFAT) were increased as early as 2 mo. Hexosamines 42-52 glutamine fructose-6-phosphate transaminase 1 Mus musculus 75-122 23027940-2 2012 Using nuclear factor-kappaB (NF-kappaB) as a glucose-responsive transcription factor, we show that cells use the hexosamine biosynthesis pathway and O-linked beta-N-acetylglucosamine (O-GlcNAc) transferase (OGT) to potentiate gene expression in response to tumor necrosis factor (TNF) or etoposide. Hexosamines 113-123 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 207-210 23027940-2 2012 Using nuclear factor-kappaB (NF-kappaB) as a glucose-responsive transcription factor, we show that cells use the hexosamine biosynthesis pathway and O-linked beta-N-acetylglucosamine (O-GlcNAc) transferase (OGT) to potentiate gene expression in response to tumor necrosis factor (TNF) or etoposide. Hexosamines 113-123 tumor necrosis factor Homo sapiens 257-278 23027940-2 2012 Using nuclear factor-kappaB (NF-kappaB) as a glucose-responsive transcription factor, we show that cells use the hexosamine biosynthesis pathway and O-linked beta-N-acetylglucosamine (O-GlcNAc) transferase (OGT) to potentiate gene expression in response to tumor necrosis factor (TNF) or etoposide. Hexosamines 113-123 tumor necrosis factor Homo sapiens 280-283 22874425-8 2012 Levels of the rate-limiting enzyme of the hexosamine biosynthetic pathway, glutamine:fructose-6-phosphate amidotransferase (GFAT) were increased as early as 2 mo. Hexosamines 42-52 glutamine fructose-6-phosphate transaminase 1 Mus musculus 124-128 22692202-4 2012 We hypothesized this pocket enables processing of metabolic variants of O-GlcNAc that could be formed due to inaccuracy within the metabolic machinery of the hexosamine biosynthetic pathway. Hexosamines 158-168 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 72-80 22987706-6 2012 CONCLUSIONS: GFPT1 is the key enzyme in the hexosamine biosynthesis pathway, and mutations in GFPT1 cause defective glycosylation in the proteins of the neuromuscular junction. Hexosamines 44-54 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 13-18 22987706-6 2012 CONCLUSIONS: GFPT1 is the key enzyme in the hexosamine biosynthesis pathway, and mutations in GFPT1 cause defective glycosylation in the proteins of the neuromuscular junction. Hexosamines 44-54 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 94-99 22824309-2 2012 Major goat sperm maturation antigen (SMA2) contains one hexosamine along with mannose, galactose and glucose. Hexosamines 56-66 survival of motor neuron 1, telomeric Homo sapiens 37-41 22541435-4 2012 Transcriptome and metabolomic analyses indicate that Kras(G12D) serves a vital role in controlling tumor metabolism through stimulation of glucose uptake and channeling of glucose intermediates into the hexosamine biosynthesis and pentose phosphate pathways (PPP). Hexosamines 203-213 Kirsten rat sarcoma viral oncogene homolog Mus musculus 53-57 22623530-7 2012 Further, when we investigated the inhibition of glutamine-fructose-6-phosphate transaminase 1 (GFPT1) by azaserine (an inhibitor of GFPT1) and GFPT1 siRNA, we found that MTOR-RPS6K and MTOR-EIF4EBP1 signaling in response to fructose is mediated via GFPT1 activation and the hexosamine pathway. Hexosamines 274-284 glutamine--fructose-6-phosphate transaminase 1 Sus scrofa 48-93 22623530-7 2012 Further, when we investigated the inhibition of glutamine-fructose-6-phosphate transaminase 1 (GFPT1) by azaserine (an inhibitor of GFPT1) and GFPT1 siRNA, we found that MTOR-RPS6K and MTOR-EIF4EBP1 signaling in response to fructose is mediated via GFPT1 activation and the hexosamine pathway. Hexosamines 274-284 glutamine--fructose-6-phosphate transaminase 1 Sus scrofa 95-100 22623530-7 2012 Further, when we investigated the inhibition of glutamine-fructose-6-phosphate transaminase 1 (GFPT1) by azaserine (an inhibitor of GFPT1) and GFPT1 siRNA, we found that MTOR-RPS6K and MTOR-EIF4EBP1 signaling in response to fructose is mediated via GFPT1 activation and the hexosamine pathway. Hexosamines 274-284 mechanistic target of rapamycin kinase Sus scrofa 170-174 22623530-9 2012 Collectively, these results demonstrate critical roles for fructose that are mediated via the hexosamine biosynthesis pathway to stimulate MTOR cell signaling, proliferation of porcine trophectoderm cells, and synthesis of hyaluronic acid, a significant glycosaminoglycan in the pregnant uterus. Hexosamines 94-104 mechanistic target of rapamycin kinase Sus scrofa 139-143 22114026-0 2012 The hexosamine biosynthetic pathway and O-GlcNAcylation drive the expression of beta-catenin and cell proliferation. Hexosamines 4-14 catenin beta 1 Homo sapiens 80-92 22275356-2 2012 Increased flux through the hexosamine biosynthetic pathway leads to increases in the post-translational addition of O-linked beta-N-acetylglucosamine (O-GlcNAc) to various nuclear and cytosolic proteins. Hexosamines 27-37 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 151-159 22308370-6 2012 The stimulation of GPR40 expression and Pdx-1 binding to the HR2 in response to glucose are mimicked by N-acetyl glucosamine, an intermediate of the hexosamine biosynthesis pathway, and involve PI3K-dependent O-GlcNAcylation of Pdx-1 in the nucleus. Hexosamines 149-159 free fatty acid receptor 1 Homo sapiens 19-24 22308370-6 2012 The stimulation of GPR40 expression and Pdx-1 binding to the HR2 in response to glucose are mimicked by N-acetyl glucosamine, an intermediate of the hexosamine biosynthesis pathway, and involve PI3K-dependent O-GlcNAcylation of Pdx-1 in the nucleus. Hexosamines 149-159 pancreatic and duodenal homeobox 1 Homo sapiens 40-45 21448924-10 2012 The inhibition of both the hexosamine pathway and N-linked glycosylation along with Wnt signaling pathway by sFRP1 and DKK1 is associated with significant decrease of the protein levels of GSK3beta, beta-catenin, and TXNIP RNA. Hexosamines 27-37 secreted frizzled related protein 1 Homo sapiens 109-114 21448924-10 2012 The inhibition of both the hexosamine pathway and N-linked glycosylation along with Wnt signaling pathway by sFRP1 and DKK1 is associated with significant decrease of the protein levels of GSK3beta, beta-catenin, and TXNIP RNA. Hexosamines 27-37 dickkopf WNT signaling pathway inhibitor 1 Homo sapiens 119-123 21448924-10 2012 The inhibition of both the hexosamine pathway and N-linked glycosylation along with Wnt signaling pathway by sFRP1 and DKK1 is associated with significant decrease of the protein levels of GSK3beta, beta-catenin, and TXNIP RNA. Hexosamines 27-37 glycogen synthase kinase 3 beta Homo sapiens 189-197 21448924-10 2012 The inhibition of both the hexosamine pathway and N-linked glycosylation along with Wnt signaling pathway by sFRP1 and DKK1 is associated with significant decrease of the protein levels of GSK3beta, beta-catenin, and TXNIP RNA. Hexosamines 27-37 catenin beta 1 Homo sapiens 199-211 21374590-2 2012 Glutamine:fructose-6-phosphate amidotransferase-1 (GFAT-1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway (HBP), which generates the sugar nucleotide UDP-GlcNAc, where this nucleotide acts as the donor for O-GlcNAc modification. Hexosamines 94-104 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-49 22572461-1 2012 BACKGROUND: Hexosamine biosynthetic pathway (HBP) is implicated in increased plasminogen activator inhibitor-1 (PAI-1), and endothelial nitric oxide synthase (eNOS) dysfunction in diabetes. Hexosamines 12-22 serpin family E member 1 Homo sapiens 77-110 22572461-1 2012 BACKGROUND: Hexosamine biosynthetic pathway (HBP) is implicated in increased plasminogen activator inhibitor-1 (PAI-1), and endothelial nitric oxide synthase (eNOS) dysfunction in diabetes. Hexosamines 12-22 serpin family E member 1 Homo sapiens 112-117 22572461-1 2012 BACKGROUND: Hexosamine biosynthetic pathway (HBP) is implicated in increased plasminogen activator inhibitor-1 (PAI-1), and endothelial nitric oxide synthase (eNOS) dysfunction in diabetes. Hexosamines 12-22 nitric oxide synthase 3 Homo sapiens 124-157 22006246-0 2012 Increased hexosamine biosynthetic pathway flux dedifferentiates INS-1E cells and murine islets by an extracellular signal-regulated kinase (ERK)1/2-mediated signal transmission pathway. Hexosamines 10-20 mitogen-activated protein kinase 3 Mus musculus 101-147 21374590-2 2012 Glutamine:fructose-6-phosphate amidotransferase-1 (GFAT-1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway (HBP), which generates the sugar nucleotide UDP-GlcNAc, where this nucleotide acts as the donor for O-GlcNAc modification. Hexosamines 94-104 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 51-57 21374590-2 2012 Glutamine:fructose-6-phosphate amidotransferase-1 (GFAT-1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway (HBP), which generates the sugar nucleotide UDP-GlcNAc, where this nucleotide acts as the donor for O-GlcNAc modification. Hexosamines 94-104 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 226-234 22566303-8 2012 Increasing glucose concentration enhances the hexosamine pathway and thus beta-catenin glycosylation. Hexosamines 46-56 catenin beta 1 Homo sapiens 74-86 22158438-4 2011 Although both OGT and EOGT are regulated by hexosamine flux, EOGT localizes to the lumen of the endoplasmic reticulum and transfers GlcNAc to epidermal growth factor-like domains in an OGT-independent manner. Hexosamines 44-54 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 14-17 22158438-4 2011 Although both OGT and EOGT are regulated by hexosamine flux, EOGT localizes to the lumen of the endoplasmic reticulum and transfers GlcNAc to epidermal growth factor-like domains in an OGT-independent manner. Hexosamines 44-54 EGF domain specific O-linked N-acetylglucosamine transferase Homo sapiens 22-26 22158438-4 2011 Although both OGT and EOGT are regulated by hexosamine flux, EOGT localizes to the lumen of the endoplasmic reticulum and transfers GlcNAc to epidermal growth factor-like domains in an OGT-independent manner. Hexosamines 44-54 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 23-26 22277470-4 2011 In particular, chronic hyperglycemia elicits PPP activation through the Keap1/Nrf2 system, which is induced by endoplasmic (ER) stress via an increase in hexosamine biosynthetic pathway flux. Hexosamines 154-164 kelch like ECH associated protein 1 Homo sapiens 72-77 22277470-4 2011 In particular, chronic hyperglycemia elicits PPP activation through the Keap1/Nrf2 system, which is induced by endoplasmic (ER) stress via an increase in hexosamine biosynthetic pathway flux. Hexosamines 154-164 NFE2 like bZIP transcription factor 2 Homo sapiens 78-82 21697645-3 2011 Glucosamine enters the hexosamine biosynthetic pathway (HBP) downstream of the rate-limiting step catalyzed by the GFAT (glutamine:fluctose- 6-phosphate amidotransferase), providing UDPGlcNAc substrates for O-linked beta-N-acetylglucosamine (O-GlcNAc) protein modification. Hexosamines 23-33 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 115-119 21697645-3 2011 Glucosamine enters the hexosamine biosynthetic pathway (HBP) downstream of the rate-limiting step catalyzed by the GFAT (glutamine:fluctose- 6-phosphate amidotransferase), providing UDPGlcNAc substrates for O-linked beta-N-acetylglucosamine (O-GlcNAc) protein modification. Hexosamines 23-33 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 121-169 21697645-3 2011 Glucosamine enters the hexosamine biosynthetic pathway (HBP) downstream of the rate-limiting step catalyzed by the GFAT (glutamine:fluctose- 6-phosphate amidotransferase), providing UDPGlcNAc substrates for O-linked beta-N-acetylglucosamine (O-GlcNAc) protein modification. Hexosamines 23-33 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 242-250 21807949-1 2011 Protein-O-linked N-Acetyl-beta-D-glucosaminidase (O-GlcNAcase, OGA; also known as hexosaminidase C) participates in a nutrient-sensing, hexosamine signaling pathway by removing O-linked N-acetylglucosamine (O-GlcNAc) from key target proteins. Hexosamines 136-146 O-GlcNAcase Homo sapiens 50-61 21840999-6 2011 In the present study, Ins2(Akita/+) diabetic mice were used to test the hypothesis that hyperglycemia and elevated flux of glucose through the hexosamine biosynthetic pathway lead to increased O-GlcNAcylation and truncation of 4E-BP1 and consequently decreased eIF4E function in the liver. Hexosamines 143-153 insulin II Mus musculus 22-26 21840999-6 2011 In the present study, Ins2(Akita/+) diabetic mice were used to test the hypothesis that hyperglycemia and elevated flux of glucose through the hexosamine biosynthetic pathway lead to increased O-GlcNAcylation and truncation of 4E-BP1 and consequently decreased eIF4E function in the liver. Hexosamines 143-153 eukaryotic translation initiation factor 4E binding protein 1 Mus musculus 227-233 21840999-6 2011 In the present study, Ins2(Akita/+) diabetic mice were used to test the hypothesis that hyperglycemia and elevated flux of glucose through the hexosamine biosynthetic pathway lead to increased O-GlcNAcylation and truncation of 4E-BP1 and consequently decreased eIF4E function in the liver. Hexosamines 143-153 eukaryotic translation initiation factor 4E Mus musculus 261-266 21712361-3 2011 Here we delineated whether increased glucose flux through the hexosamine biosynthesis pathway (HBP) causes PIP(2)/F-actin dysregulation and subsequent insulin resistance. Hexosamines 62-72 insulin Homo sapiens 151-158 21807949-1 2011 Protein-O-linked N-Acetyl-beta-D-glucosaminidase (O-GlcNAcase, OGA; also known as hexosaminidase C) participates in a nutrient-sensing, hexosamine signaling pathway by removing O-linked N-acetylglucosamine (O-GlcNAc) from key target proteins. Hexosamines 136-146 O-GlcNAcase Homo sapiens 63-66 21807949-1 2011 Protein-O-linked N-Acetyl-beta-D-glucosaminidase (O-GlcNAcase, OGA; also known as hexosaminidase C) participates in a nutrient-sensing, hexosamine signaling pathway by removing O-linked N-acetylglucosamine (O-GlcNAc) from key target proteins. Hexosamines 136-146 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 50-58 20658157-3 2011 We have previously shown that transgenic overexpression of the rate-limiting enzyme for hexosamine synthesis, glutamine:fructose-6-phosphate amidotransferase (GFA), targeted to muscle and fat, leads to insulin resistance mediated by increased O-linked glycosylation of nuclear and cytosolic proteins. Hexosamines 88-98 glutamine fructose-6-phosphate transaminase 1 Mus musculus 110-157 21311039-6 2011 Moreover, direct activation of AMP-activated protein kinase, which is known to be activated by Cr3+, or inhibition of hexosamine biosynthesis pathway activity, which is known to be elevated by hyperinsulinemia, mimics Cr3+ action. Hexosamines 118-128 teratocarcinoma-derived growth factor 1 pseudogene 3 Homo sapiens 218-221 20658157-3 2011 We have previously shown that transgenic overexpression of the rate-limiting enzyme for hexosamine synthesis, glutamine:fructose-6-phosphate amidotransferase (GFA), targeted to muscle and fat, leads to insulin resistance mediated by increased O-linked glycosylation of nuclear and cytosolic proteins. Hexosamines 88-98 glutamine fructose-6-phosphate transaminase 1 Mus musculus 159-162 22096489-3 2011 Since activation of the hexosamine biosynthesis pathway (HBP) is associated with increases in the expression of FAS and ACC-1, it raises the possibility that HBP-related metabolites would contribute to any increase in hepatic expression of these enzymes following fructose exposure. Hexosamines 24-34 acetyl-CoA carboxylase alpha Homo sapiens 120-125 21310273-5 2011 GFPT1 is the key enzyme of the hexosamine pathway yielding the amino sugar UDP-N-acetylglucosamine, an essential substrate for protein glycosylation. Hexosamines 31-41 glutamine--fructose-6-phosphate transaminase 1 Danio rerio 0-5 20923823-0 2011 Hexosamines stimulate apoptosis by altering SIRT1 action and levels in rodent pancreatic beta-cells. Hexosamines 0-11 sirtuin 1 Mus musculus 44-49 20923823-2 2011 The present study aimed to determine whether impaired Sirt1 activity is involved in the induction of apoptosis by the nutrient-sensing hexosamine biosynthesis pathway (HBP). Hexosamines 135-145 sirtuin 1 Mus musculus 54-59 20923823-10 2011 These findings indicate that reduction of SIRT1 levels by hexosamines contributes to beta-cell apoptosis. Hexosamines 58-69 sirtuin 1 Mus musculus 42-47 20813352-0 2010 Synthesis of the glycosaminoglycan-protein linkage tetraosyl peptide moieties of betaglycan, which serve as a hexosamine acceptor for enzymatic glycosyl transfer. Hexosamines 110-120 transforming growth factor beta receptor 3 Homo sapiens 81-91 20926386-1 2010 A dynamic cycle of O-linked GlcNAc (O-GlcNAc) addition and removal is catalyzed by O-GlcNAc transferase and O-GlcNAcase, respectively, in a process that serves as the final step in a nutrient-driven "hexosamine-signaling pathway." Hexosamines 200-210 O-GlcNAcase Drosophila melanogaster 108-119 21036147-6 2010 In contrast, treatment with a glutamine fructose amidotransferase inhibitor (DON), which decreases O-GlcNAcylation by inhibiting the hexosamine biosynthetic pathway, completely blocked the glucose response of ChREBP. Hexosamines 133-143 MLX interacting protein like Homo sapiens 209-215 20668475-1 2010 O-linked N-Acetylglucosamine (O-GlcNAc) post-translational modifications originate from the activity of the hexosamine pathway, and are known to affect intracellular signaling processes. Hexosamines 108-118 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 30-38 20466550-4 2010 O-GlcNAc signaling is intertwined with cellular metabolism; indeed, the donor sugar for O-GlcNAcylation (UDP-GlcNAc) is synthesized from glucose, glutamine, and UTP via the hexosamine biosynthetic pathway. Hexosamines 173-183 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-8 21364670-3 2010 Here, we show that, in diabetic rats, TXNIP expression and hexosamine biosynthesis pathway (HBP) flux, which regulates TXNIP, are elevated in the retina and correlates well with the induction of inflammatory cyclooxygenase 2 (Cox-2) and sclerotic fibronectin (FN). Hexosamines 59-69 thioredoxin interacting protein Rattus norvegicus 119-124 21364670-3 2010 Here, we show that, in diabetic rats, TXNIP expression and hexosamine biosynthesis pathway (HBP) flux, which regulates TXNIP, are elevated in the retina and correlates well with the induction of inflammatory cyclooxygenase 2 (Cox-2) and sclerotic fibronectin (FN). Hexosamines 59-69 prostaglandin-endoperoxide synthase 2 Rattus norvegicus 208-224 20043149-1 2010 An increasing amount of recent research has demonstrated that the hexosamine biosynthesis pathway (HBP) plays a significant role in the modulation of intracellular signaling transduction pathways, and affects cellular processes via modification of protein by O-linked beta-N-acetylglucosamine (O-GlcNAc). Hexosamines 66-76 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 294-302 20488252-1 2010 The nutrient-sensing hexosamine signaling pathway modulates the levels of O-linked N-acetylglucosamine (O-GlcNAc) on key targets impacting cellular signaling, protein turnover and gene expression. Hexosamines 21-31 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 104-112 20190804-2 2010 A small fraction of a cell"s glucose enters the hexosamine biosynthetic pathway (HBP), which regulates levels of O-linked beta-N-acetylglucosamine (O-GlcNAc), a carbohydrate posttranslational modification of diverse nuclear and cytosolic proteins. Hexosamines 48-58 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 148-156 20503521-1 2010 Hexosamine biosynthesis pathway flux contributes to insulin resistance via altering membrane phosphatidylinositol 4,5-bisphosphate and cortical filamentous actin. Hexosamines 0-10 insulin Homo sapiens 52-59 20032283-5 2010 The enzymes regulating O-GlcNAcylation, and therefore hexosamine signaling, are the beta-linked-O-GlcNAc transferase (OGT) and an O-GlcNAc-selective beta-N-acetylglucosaminidase (O-GlcNAcase). Hexosamines 54-64 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 118-121 19799964-1 2010 Excess flux through the hexosamine biosynthesis pathway in adipocytes is a fundamental cause of "glucose toxicity" and the development of insulin resistance that leads to type II diabetes. Hexosamines 24-34 insulin Homo sapiens 138-145 19799964-2 2010 Adipose tissue-specific elevation in hexosamine flux in animal models recapitulates whole-body insulin-resistant phenotypes, and increased hexosamine flux in adipocyte cell culture models impairs insulin-stimulated glucose uptake. Hexosamines 139-149 insulin Homo sapiens 196-203 19799964-3 2010 Many studies have been devoted to unveiling the molecular mechanisms in adipocytes in response to excess hexosamine flux-mediated insulin resistance. Hexosamines 105-115 insulin Homo sapiens 130-137 19799964-4 2010 As a major downstream event consuming and incorporating the final product of the hexosamine biosynthesis pathway, dynamic and inducible O-GlcNAc modification is emerging as a modulator of insulin sensitivity in adipocytes. Hexosamines 81-91 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 136-144 19799964-4 2010 As a major downstream event consuming and incorporating the final product of the hexosamine biosynthesis pathway, dynamic and inducible O-GlcNAc modification is emerging as a modulator of insulin sensitivity in adipocytes. Hexosamines 81-91 insulin Homo sapiens 188-195 19799964-5 2010 Given that O-GlcNAc is implicated in both insulin-mediated signal transduction and transcriptional events essential for adipocytokine secretion, direct functional studies to pinpoint the roles of O-GlcNAc in the development of insulin resistance via excess flux through hexosamine biosynthesis pathway are needed. Hexosamines 270-280 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 11-19 19799964-5 2010 Given that O-GlcNAc is implicated in both insulin-mediated signal transduction and transcriptional events essential for adipocytokine secretion, direct functional studies to pinpoint the roles of O-GlcNAc in the development of insulin resistance via excess flux through hexosamine biosynthesis pathway are needed. Hexosamines 270-280 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 196-204 19799964-5 2010 Given that O-GlcNAc is implicated in both insulin-mediated signal transduction and transcriptional events essential for adipocytokine secretion, direct functional studies to pinpoint the roles of O-GlcNAc in the development of insulin resistance via excess flux through hexosamine biosynthesis pathway are needed. Hexosamines 270-280 insulin Homo sapiens 227-234 20032283-5 2010 The enzymes regulating O-GlcNAcylation, and therefore hexosamine signaling, are the beta-linked-O-GlcNAc transferase (OGT) and an O-GlcNAc-selective beta-N-acetylglucosaminidase (O-GlcNAcase). Hexosamines 54-64 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 84-116 19875652-7 2010 Overexpression of GAPDH prevented glucose-induced inhibition of its activity, nuclear translocation, apoptosis, and activation of protein kinase C and hexosamine pathways. Hexosamines 151-161 LOC786101 Bos taurus 18-23 19909832-3 2010 DESIGN: HEK293F and CHO-K1 cells transiently transfected with ADAMTS5 cDNA were treated with glucosamine or the related hexosamine mannosamine. Hexosamines 120-130 A disintegrin and metalloproteinase with thrombospondin motifs 5 Cricetulus griseus 62-69 19903862-6 2010 Inhibition of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for hexosamine flux, with 6-diazo-5-oxonorleucine (10 muM) and of mTOR with rapamycin both attenuated glucose-mediated MC proliferation. Hexosamines 99-109 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 14-61 19903862-6 2010 Inhibition of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for hexosamine flux, with 6-diazo-5-oxonorleucine (10 muM) and of mTOR with rapamycin both attenuated glucose-mediated MC proliferation. Hexosamines 99-109 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 63-67 19903862-9 2010 The proliferative response to high glucose and hexosamine flux is rapamycin-sensitive, suggesting that this effect is associated with signaling through rapamycin-sensitive mTOR complex 1 (mTORC1). Hexosamines 47-57 mechanistic target of rapamycin kinase Homo sapiens 172-176 19903862-9 2010 The proliferative response to high glucose and hexosamine flux is rapamycin-sensitive, suggesting that this effect is associated with signaling through rapamycin-sensitive mTOR complex 1 (mTORC1). Hexosamines 47-57 CREB regulated transcription coactivator 1 Mus musculus 188-194 19647043-0 2010 The hexosamine signaling pathway: O-GlcNAc cycling in feast or famine. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 34-42 20182775-3 2009 Since O-GlcNAc serves as a glucose sensor by the way of hexosamine biosynthesis pathway, this glycosylation is often associated with glucose toxicity and development of insulin resistance. Hexosamines 56-66 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 6-14 19933273-4 2010 In the present study, we show for the first time that LXRalpha and LXRbeta are targets for glucose-hexosamine-derived O-GlcNAc modification in human Huh7 cells. Hexosamines 99-109 nuclear receptor subfamily 1 group H member 3 Homo sapiens 54-62 19933273-4 2010 In the present study, we show for the first time that LXRalpha and LXRbeta are targets for glucose-hexosamine-derived O-GlcNAc modification in human Huh7 cells. Hexosamines 99-109 nuclear receptor subfamily 1 group H member 2 Homo sapiens 67-74 19933273-7 2010 Furthermore, glucose increased LXR/retinoic acid receptor-dependent activation of luciferase reporter activity driven by the mouse SREBP-1c promoter via the hexosamine biosynthetic pathway in Huh7 cells. Hexosamines 157-167 nuclear receptor subfamily 1, group H, member 3 Mus musculus 31-34 19933273-7 2010 Furthermore, glucose increased LXR/retinoic acid receptor-dependent activation of luciferase reporter activity driven by the mouse SREBP-1c promoter via the hexosamine biosynthetic pathway in Huh7 cells. Hexosamines 157-167 sterol regulatory element binding transcription factor 1 Mus musculus 131-139 20182775-3 2009 Since O-GlcNAc serves as a glucose sensor by the way of hexosamine biosynthesis pathway, this glycosylation is often associated with glucose toxicity and development of insulin resistance. Hexosamines 56-66 insulin Homo sapiens 169-176 19370316-0 2009 Molecular convergence of hexosamine biosynthetic pathway and ER stress leading to insulin resistance in L6 skeletal muscle cells. Hexosamines 25-35 insulin Homo sapiens 82-89 19776393-0 2009 Glutamine enhances heat shock protein 70 expression via increased hexosamine biosynthetic pathway activity. Hexosamines 66-76 heat shock protein 1B Mus musculus 19-40 19776393-3 2009 GLN is a key substrate for the hexosamine biosynthetic pathway (HBP), which has been shown to induce HSP70. Hexosamines 31-41 heat shock protein 1B Mus musculus 101-106 19370316-1 2009 Augmentation of hexosamine biosynthetic pathway (HBP) and endoplasmic reticulum (ER) stress were independently related to be the underlying causes of insulin resistance. Hexosamines 16-26 insulin Homo sapiens 150-157 19232311-2 2009 After degradation of the polysaccharides by acidic hydrolysis, the hexosamines produced (i.e., GlcN from Hep and GalN from OSCS) were derivatized with anthranilic acid (AA) and separated by means of CE in approximately 10 min with high sensitivity detection at 214 nm (limit of detection [LOD] of approximately 200 pg). Hexosamines 67-78 galanin and GMAP prepropeptide Homo sapiens 113-117 19448666-6 2009 Myc expression also increased global O-linked N-acetylglucosamine protein modification, and inhibition of hexosamine biosynthesis selectively reduced growth of Myc-expressing cells, suggesting its importance in Myc-induced proliferation. Hexosamines 106-116 MYC proto-oncogene, bHLH transcription factor Homo sapiens 160-163 19448666-6 2009 Myc expression also increased global O-linked N-acetylglucosamine protein modification, and inhibition of hexosamine biosynthesis selectively reduced growth of Myc-expressing cells, suggesting its importance in Myc-induced proliferation. Hexosamines 106-116 MYC proto-oncogene, bHLH transcription factor Homo sapiens 160-163 19451179-8 2009 Inhibition of the hexosamine biosynthesis pathway in rat brain resulted in decreased O-GlcNAcylation and increased phosphorylation of tau, which resembled changes of O-GlcNAcylation and phosphorylation of tau in rodent brains with decreased glucose metabolism induced by fasting, but not those in rat brains when protein phosphatase 2A was inhibited. Hexosamines 18-28 microtubule associated protein tau Homo sapiens 134-137 19451179-8 2009 Inhibition of the hexosamine biosynthesis pathway in rat brain resulted in decreased O-GlcNAcylation and increased phosphorylation of tau, which resembled changes of O-GlcNAcylation and phosphorylation of tau in rodent brains with decreased glucose metabolism induced by fasting, but not those in rat brains when protein phosphatase 2A was inhibited. Hexosamines 18-28 microtubule associated protein tau Homo sapiens 205-208 20592773-1 2009 Elevated cellular levels of protein O-linked beta-N-acetylglucosamine (O-GlcNAc) through hexosamine biosynthesis pathway (HBP) are suggested to contribute to cardiovascular adverse effects under chronic hyperglycemic condition associated with oxidative stress and inflammation. Hexosamines 89-99 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 71-79 19036880-0 2009 Hexosamine biosynthesis pathway flux contributes to insulin resistance via altering membrane phosphatidylinositol 4,5-bisphosphate and cortical filamentous actin. Hexosamines 0-10 insulin Homo sapiens 52-59 19036880-2 2009 Here we delineated whether increased glucose flux through the hexosamine biosynthesis pathway (HBP) causes the PIP(2)/F-actin dysregulation and insulin resistance induced by hyperinsulinemia. Hexosamines 62-72 prolactin induced protein Homo sapiens 111-114 19036880-2 2009 Here we delineated whether increased glucose flux through the hexosamine biosynthesis pathway (HBP) causes the PIP(2)/F-actin dysregulation and insulin resistance induced by hyperinsulinemia. Hexosamines 62-72 insulin Homo sapiens 144-151 19073609-0 2009 Up-regulation of O-GlcNAc transferase with glucose deprivation in HepG2 cells is mediated by decreased hexosamine pathway flux. Hexosamines 103-113 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 17-25 19151750-7 2009 Metabolic inhibition of the hexosamine biosynthetic pathway abrogated O-GlcNAcylation of EWS-FLI1 and interfered specifically with transcriptional activation of the EWS-FLI1 target Id2. Hexosamines 28-38 EWS RNA binding protein 1 Homo sapiens 89-92 19151750-7 2009 Metabolic inhibition of the hexosamine biosynthetic pathway abrogated O-GlcNAcylation of EWS-FLI1 and interfered specifically with transcriptional activation of the EWS-FLI1 target Id2. Hexosamines 28-38 Fli-1 proto-oncogene, ETS transcription factor Homo sapiens 93-97 19151750-7 2009 Metabolic inhibition of the hexosamine biosynthetic pathway abrogated O-GlcNAcylation of EWS-FLI1 and interfered specifically with transcriptional activation of the EWS-FLI1 target Id2. Hexosamines 28-38 EWS RNA binding protein 1 Homo sapiens 165-168 19151750-7 2009 Metabolic inhibition of the hexosamine biosynthetic pathway abrogated O-GlcNAcylation of EWS-FLI1 and interfered specifically with transcriptional activation of the EWS-FLI1 target Id2. Hexosamines 28-38 Fli-1 proto-oncogene, ETS transcription factor Homo sapiens 169-173 19151750-7 2009 Metabolic inhibition of the hexosamine biosynthetic pathway abrogated O-GlcNAcylation of EWS-FLI1 and interfered specifically with transcriptional activation of the EWS-FLI1 target Id2. Hexosamines 28-38 inhibitor of DNA binding 2 Homo sapiens 181-184 18852331-2 2009 Superoxide inhibits glyceraldehyde-3-phosphate dehydrogenase (GAPDH), which activates major pathways implicated in diabetic complications, including advanced glycation end products (AGEs), protein kinase C, and hexosamine pathway. Hexosamines 211-221 glyceraldehyde-3-phosphate dehydrogenase Rattus norvegicus 20-60 18852331-2 2009 Superoxide inhibits glyceraldehyde-3-phosphate dehydrogenase (GAPDH), which activates major pathways implicated in diabetic complications, including advanced glycation end products (AGEs), protein kinase C, and hexosamine pathway. Hexosamines 211-221 glyceraldehyde-3-phosphate dehydrogenase Rattus norvegicus 62-67 18728220-1 2008 The hexosamine biosynthesis pathway (HBP) regulates the posttranslational modification of nuclear and cytoplasmic protein by O-linked N-acetylglucosamine (O-GlcNAc). Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 155-163 19319842-5 2009 Accordingly, endothelial dysfunction can be prevented by (1) enhancement of BH4 synthesis through supplementation of its precursor (sepiapterin) via the salvage pathway; (2) transfer of the gene for GTP cyclohydrolase-I (the first and key regulatory enzyme for de novo synthesis of BH4); or (3) dietary supplementation of L-arginine (which stimulates GTP cyclohydrolase-I expression and inhibits hexosamine production). Hexosamines 396-406 GTP cyclohydrolase 1 Homo sapiens 199-219 18842583-1 2008 The O-GlcNAc post-translational modification is considered to act as a sensor of nutrient flux through the hexosamine biosynthetic pathway. Hexosamines 107-117 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 4-12 18794846-4 2008 We find that several components of the hexosamine biosynthetic pathway, which reversibly modifies proteins with O-linked N-acetylglucosamine (O-GlcNAc) in response to stress, are required for SG and PB assembly. Hexosamines 39-49 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 142-150 18794846-7 2008 The lack of enzymes of the hexosamine biosynthetic pathway in budding yeast may contribute to differences between mammalian SGs and related yeast EGP (eIF4E, 4G and Pab1 containing) bodies. Hexosamines 27-37 polyadenylate-binding protein Saccharomyces cerevisiae S288C 165-169 18338853-0 2008 Regioisomeric SCFA attachment to hexosamines separates metabolic flux from cytotoxicity and MUC1 suppression. Hexosamines 33-44 mucin 1, cell surface associated Homo sapiens 92-96 18842561-12 2008 At the beginning of lactation, HEX A activity, which releases hexosamines from acidic oligosaccharides, dominates; later, HEX B releases hexosamines from neutral oligosaccharides. Hexosamines 62-73 hexosaminidase subunit alpha Homo sapiens 31-36 18264122-0 2008 Rhein reverses the diabetic phenotype of mesangial cells over-expressing the glucose transporter (GLUT1) by inhibiting the hexosamine pathway. Hexosamines 123-133 solute carrier family 2 member 1 Rattus norvegicus 98-103 18264122-7 2008 CONCLUSIONS AND IMPLICATIONS: There was over-activity of the hexosamine pathway in MCGT1 cells, which may explain the higher expression of TGF-beta1 and p21, the cellular hypertrophy and the increased expression of extracellular matrix (ECM) components in the cells. Hexosamines 61-71 transforming growth factor, beta 1 Rattus norvegicus 139-148 18264122-7 2008 CONCLUSIONS AND IMPLICATIONS: There was over-activity of the hexosamine pathway in MCGT1 cells, which may explain the higher expression of TGF-beta1 and p21, the cellular hypertrophy and the increased expression of extracellular matrix (ECM) components in the cells. Hexosamines 61-71 KRAS proto-oncogene, GTPase Rattus norvegicus 153-156 18264122-8 2008 By inhibiting the increased activity the hexosamine pathway, rhein decreased TGF-beta1 and p21 expression and thus contributed to the decreased cellular hypertrophy and ECM synthesis. Hexosamines 41-51 transforming growth factor, beta 1 Rattus norvegicus 77-86 18264122-8 2008 By inhibiting the increased activity the hexosamine pathway, rhein decreased TGF-beta1 and p21 expression and thus contributed to the decreased cellular hypertrophy and ECM synthesis. Hexosamines 41-51 KRAS proto-oncogene, GTPase Rattus norvegicus 91-94 18288188-1 2008 Glucose flux through the hexosamine biosynthetic pathway leads to the post-translational modification of cytoplasmic and nuclear proteins by O-linked beta-N-acetylglucosamine (O-GlcNAc). Hexosamines 25-35 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 176-184 17614351-5 2008 ORF19 cells had an 80% reduction in glutamine:fructose-6-P amidotransferase activity, which is the rate-limiting step of the hexosamine pathway. Hexosamines 125-135 succinyl-CoA:glutarate-CoA transferase Homo sapiens 0-5 17198747-3 2008 Glucosamine is also metabolized to UDP-N-acetyl glucosamine (UDP-GlcNAc) via the hexosamine biosynthesis pathway and is utilized for O-linked glycosylation by the X-linked enzyme, O-linked GlcNAc transferase (OGT). Hexosamines 81-91 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit Bos taurus 180-207 17198747-3 2008 Glucosamine is also metabolized to UDP-N-acetyl glucosamine (UDP-GlcNAc) via the hexosamine biosynthesis pathway and is utilized for O-linked glycosylation by the X-linked enzyme, O-linked GlcNAc transferase (OGT). Hexosamines 81-91 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit Bos taurus 209-212 18842561-12 2008 At the beginning of lactation, HEX A activity, which releases hexosamines from acidic oligosaccharides, dominates; later, HEX B releases hexosamines from neutral oligosaccharides. Hexosamines 137-148 hexosaminidase subunit beta Homo sapiens 122-127 17942907-6 2007 Finally, regulation of ROS, glucose uptake, and sensitivities to EGF and TGF-beta were rescued by Mgat5 expression or by hexosamine supplementation to complex N-glycan biosynthesis in Mgat5-/- cells. Hexosamines 121-131 mannoside acetylglucosaminyltransferase 5 Mus musculus 184-189 17941647-1 2007 Glutamine:fructose-6-phosphate amidotransferase (Gfat) catalyzes the first and rate-limiting step in the hexosamine biosynthetic pathway. Hexosamines 105-115 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-47 17941647-1 2007 Glutamine:fructose-6-phosphate amidotransferase (Gfat) catalyzes the first and rate-limiting step in the hexosamine biosynthetic pathway. Hexosamines 105-115 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-53 17941647-2 2007 The increasing amount of evidence that links excess hexosamine biosynthesis with pathogenic complications of type II diabetes highlights the need to understand the regulation of Gfat. Hexosamines 52-62 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 178-182 17553476-6 2007 Glucose-dependent p70S6K phosphorylation was independent of the hexosamine biosynthetic pathway, the AMP kinase pathway, and the pentose phosphate pathway. Hexosamines 64-74 ribosomal protein S6 kinase B1 Rattus norvegicus 18-24 17488719-5 2007 Hexosamine supplementation in vitro and in vivo also increases beta1,6GlcNAc-branched N-glycans in naive mouse T cells and suppresses T cell receptor signaling, T cell proliferation, CTLA-4 endocytosis, T(H)1 differentiation, experimental autoimmune encephalomyelitis, and autoimmune diabetes in non-obese diabetic mice. Hexosamines 0-10 cytotoxic T-lymphocyte-associated protein 4 Mus musculus 183-189 17574229-1 2007 OBJECTIVE: : Cell culture and animal model studies have strongly suggested a role for the rate-limiting enzyme for hexosamine biosynthesis, glutamine:fructose-6-phosphate amidotransferase (GFAT) in insulin resistance. Hexosamines 115-125 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 140-187 17574229-1 2007 OBJECTIVE: : Cell culture and animal model studies have strongly suggested a role for the rate-limiting enzyme for hexosamine biosynthesis, glutamine:fructose-6-phosphate amidotransferase (GFAT) in insulin resistance. Hexosamines 115-125 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 189-193 17574229-1 2007 OBJECTIVE: : Cell culture and animal model studies have strongly suggested a role for the rate-limiting enzyme for hexosamine biosynthesis, glutamine:fructose-6-phosphate amidotransferase (GFAT) in insulin resistance. Hexosamines 115-125 insulin Homo sapiens 198-205 17122093-2 2007 Considerable evidence suggests that increased glucose flux via the hexosamine biosynthesis pathway enhances the O-GlcNAc modification (O-GlcNAcylation) of some critical protein(s) that may contribute to insulin resistance. Hexosamines 67-77 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 112-120 17122093-2 2007 Considerable evidence suggests that increased glucose flux via the hexosamine biosynthesis pathway enhances the O-GlcNAc modification (O-GlcNAcylation) of some critical protein(s) that may contribute to insulin resistance. Hexosamines 67-77 insulin Homo sapiens 203-210 17178709-5 2007 Using different glucose analogs and metabolites sharing distinct, limited metabolic steps with glucose, we demonstrated that activation of TSP-1 transcription is mediated by the hexosamine pathway of glucose catabolism, possibly resulting in modulation of the activity of nuclear proteins activity through their glycosylation. Hexosamines 178-188 thrombospondin 1 Homo sapiens 139-144 17178709-6 2007 Specific inhibitors of glutamine: fructose 6-phosphate amidotransferase (GFAT), an enzyme controlling the hexosamine pathway, as well as direct inhibitors of protein glycosylation efficiently inhibited TSP-1 transcription and the activity of a TSP-1 promoter-reporter construct stimulated by high glucose. Hexosamines 106-116 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 73-77 17178709-6 2007 Specific inhibitors of glutamine: fructose 6-phosphate amidotransferase (GFAT), an enzyme controlling the hexosamine pathway, as well as direct inhibitors of protein glycosylation efficiently inhibited TSP-1 transcription and the activity of a TSP-1 promoter-reporter construct stimulated by high glucose. Hexosamines 106-116 thrombospondin 1 Homo sapiens 202-207 17178709-9 2007 We have demonstrated that the hexosamine metabolic pathway mediates up-regulation of TSP-1 by high glucose. Hexosamines 30-40 thrombospondin 1 Homo sapiens 85-90 17178593-2 2006 We have previously demonstrated that some of the effects of high glucose on mesangial extracellular matrix (ECM) protein expression are mediated by the hexosamine biosynthesis pathway (HBP) in which fructose-6-phosphate is converted to glucosamine-6-phosphate by the rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFAT). Hexosamines 152-162 glutamine fructose-6-phosphate transaminase 1 Mus musculus 288-335 17142462-0 2007 Glucose induces MafA expression in pancreatic beta cell lines via the hexosamine biosynthetic pathway. Hexosamines 70-80 MAF bZIP transcription factor A Homo sapiens 16-20 17142462-7 2007 However, the addition of glucosamine to beta cell lines stimulates MafA expression in the absence of high glucose, and inhibition of the hexosamine biosynthetic pathway in the presence of high glucose abolishes MafA induction. Hexosamines 137-147 MAF bZIP transcription factor A Homo sapiens 211-215 17142462-10 2007 The presented data suggest that MafA expression mediated by high glucose requires flux through the hexosamine biosynthetic pathway and the O-linked glycosylation of an unknown protein(s) by UDP-N-acetylglucosaminyl transferase. Hexosamines 99-109 MAF bZIP transcription factor A Homo sapiens 32-36 16970929-4 2007 The level of O-GlcNAc is regulated in part by the metabolism of glucose via the hexosamine biosynthesis pathway (HBP), and the metabolic abnormalities associated with insulin resistance and diabetes, such as hyperglycemia, hyperlipidemia, and hyperinsulinemia, are all associated with increased flux through the HBP and elevated O-GlcNAc levels. Hexosamines 80-90 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 13-21 17481598-0 2007 The hexosamine biosynthesis pathway negatively regulates IL-2 production by Jurkat T cells. Hexosamines 4-14 interleukin 2 Homo sapiens 57-61 17346427-1 2007 We studied the expression of glutamine: fructose-6-phosphate amidotransferase (GFAT), the rate limiting enzyme in the hexosamine biosynthetic pathway controlling protein glycosylation. Hexosamines 118-128 glutamine fructose-6-phosphate transaminase 1 Mus musculus 79-83 17069847-2 2007 Glutamine:fructose-6-phosphate amidotransferase (GFAT) regulates the entry of glucose into the hexosamine biosynthesis pathway (HBP), and activation of this pathway has been shown to be cardioprotective. Hexosamines 95-105 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 0-47 17069847-2 2007 Glutamine:fructose-6-phosphate amidotransferase (GFAT) regulates the entry of glucose into the hexosamine biosynthesis pathway (HBP), and activation of this pathway has been shown to be cardioprotective. Hexosamines 95-105 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 49-53 17042944-3 2006 RESULTS: We show that the GLD (Germline differentiation abnormal)-1-regulated hexosamine pathway enzyme, glucosamine-6-phosphate N-acetyltransferase (GNA)-2, is required for synthesis of uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc), the substrate for eggshell chitin synthesis by chitin synthase-1 (CHS-1). Hexosamines 78-88 Glucosamine 6-phosphate N-acetyltransferase Caenorhabditis elegans 105-156 17042944-3 2006 RESULTS: We show that the GLD (Germline differentiation abnormal)-1-regulated hexosamine pathway enzyme, glucosamine-6-phosphate N-acetyltransferase (GNA)-2, is required for synthesis of uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc), the substrate for eggshell chitin synthesis by chitin synthase-1 (CHS-1). Hexosamines 78-88 Chitin synthase chs-1 Caenorhabditis elegans 288-305 17042944-3 2006 RESULTS: We show that the GLD (Germline differentiation abnormal)-1-regulated hexosamine pathway enzyme, glucosamine-6-phosphate N-acetyltransferase (GNA)-2, is required for synthesis of uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc), the substrate for eggshell chitin synthesis by chitin synthase-1 (CHS-1). Hexosamines 78-88 Chitin synthase chs-1 Caenorhabditis elegans 307-312 17178593-2 2006 We have previously demonstrated that some of the effects of high glucose on mesangial extracellular matrix (ECM) protein expression are mediated by the hexosamine biosynthesis pathway (HBP) in which fructose-6-phosphate is converted to glucosamine-6-phosphate by the rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFAT). Hexosamines 152-162 glutamine fructose-6-phosphate transaminase 1 Mus musculus 337-341 16584714-14 2006 The finding that O-GlcNAcase exists as two distinct isoforms has a number of important implications for the role of O-GlcNAcase in hexosamine signaling. Hexosamines 131-141 O-GlcNAcase Homo sapiens 17-28 16882729-2 2006 Two highly conserved enzymes (O-GlcNAc transferase and O-GlcNAcase) catalyze the final steps in this nutrient-driven "hexosamine-signaling pathway." Hexosamines 118-128 O-GlcNAcase Homo sapiens 55-66 16584714-14 2006 The finding that O-GlcNAcase exists as two distinct isoforms has a number of important implications for the role of O-GlcNAcase in hexosamine signaling. Hexosamines 131-141 O-GlcNAcase Homo sapiens 116-127 16382487-1 2006 Uridine 5"-diphospho-N-acetylglucosamine (UDP-GlcNAc) is the final product of hexosamine biosynthetic pathway (HSP) and the donor substrate for the modification of nucleocytoplasmic proteins at serine and threonine residues with N-acetylglucosamine (GlcNAc) catalyzed by O-GlcNAc transferase (OGT). Hexosamines 78-88 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 271-291 16234270-0 2006 Glucose induces increases in levels of the transcriptional repressor Id2 via the hexosamine pathway. Hexosamines 81-91 inhibitor of DNA binding 2 Homo sapiens 69-72 16382487-1 2006 Uridine 5"-diphospho-N-acetylglucosamine (UDP-GlcNAc) is the final product of hexosamine biosynthetic pathway (HSP) and the donor substrate for the modification of nucleocytoplasmic proteins at serine and threonine residues with N-acetylglucosamine (GlcNAc) catalyzed by O-GlcNAc transferase (OGT). Hexosamines 78-88 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 293-296 17024311-1 2006 Glutamine: fructose-6-phosphate amidotransferase 1 (GFPT1) acts as a rate-limiting enzyme in the hexosamine biosynthetic pathway, which is an alternative branch of glucose metabolism. Hexosamines 97-107 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-50 17024311-1 2006 Glutamine: fructose-6-phosphate amidotransferase 1 (GFPT1) acts as a rate-limiting enzyme in the hexosamine biosynthetic pathway, which is an alternative branch of glucose metabolism. Hexosamines 97-107 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 52-57 16303321-4 2006 RESULTS: Increased glucose delivery to embryos, or activation of pathways that are stimulated by high glucose, such as the hexosamine biosynthetic pathway or hypoxia, increase oxidative stress in embryos, inhibit expression of Pax3, a gene that encodes a transcription factor that is required for neural tube closure, and increase neural tube defects. Hexosamines 123-133 paired box 3 Mus musculus 227-231 16555472-10 2006 Instead, they were linked to the coordinated upregulation in gastrocnemius of genes that govern glucose uptake and the hexosamine pathway, namely, GLUT1 and GFAT1, which might contribute to insulin resistance. Hexosamines 119-129 solute carrier family 2 member 1 Rattus norvegicus 147-152 16555472-10 2006 Instead, they were linked to the coordinated upregulation in gastrocnemius of genes that govern glucose uptake and the hexosamine pathway, namely, GLUT1 and GFAT1, which might contribute to insulin resistance. Hexosamines 119-129 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 157-162 15979923-5 2005 The levels of sugars such as sialic acid, fucose, hexose and hexosamine were increased in SLP and decreased in the BBM following indomethacin treatment, with the effects being maximal 24h after the administration of the drug. Hexosamines 61-71 septin 9 Rattus norvegicus 90-93 16317114-0 2005 The hexosamine signaling pathway: deciphering the "O-GlcNAc code". Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 51-59 16317114-6 2005 O-GlcNAc transfer is the terminal step in a "hexosamine signaling pathway" (HSP). Hexosamines 45-55 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-8 16105839-2 2005 The addition of O-GlcNAc to proteins occurs in response to fluctuations in cellular concentrations of UDP-GlcNAc, which result from nutrients entering the hexosamine biosynthetic pathway. Hexosamines 155-165 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 16-24 16220784-1 2005 AIM: To set up an IR-HIRc cell model for screening the inhibitor of GFAT (glutamine: fructose-6-phosphate amidotransferase) , the key enzyme in the hexosamine biosynthesis pathway (HBP). Hexosamines 148-158 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 68-72 15814535-9 2005 CONCLUSIONS: These results suggest that the PD-induced hyperleptinaemia could, in part, be mediated by the effect of glucose-based dialysis fluids on leptin production by adipocytes via activation of the hexosamine biosynthetic pathway. Hexosamines 204-214 leptin Homo sapiens 60-66 15834935-8 2005 The hexosamine concentration, a marker for mucin, was increased by about 100% in bile obtained in 6 of 7 patients after weight reduction. Hexosamines 4-14 LOC100508689 Homo sapiens 43-48 15613679-2 2005 We have previously shown that overexpression of the rate-limiting enzyme for hexosamine synthesis (glutamine-fructose-6-phosphate amidotransferase) in adipose tissue of transgenic mice results in skeletal muscle insulin resistance and altered regulation of leptin and adiponectin. Hexosamines 77-87 adiponectin, C1Q and collagen domain containing Mus musculus 268-279 15613679-11 2005 We conclude that the hexosamine signaling pathway upregulates fat storage in adipocytes in states of carbohydrate excess, in part by increasing GLUT4 and glucose uptake and by augmenting fatty acid synthesis. Hexosamines 21-31 solute carrier family 2 (facilitated glucose transporter), member 4 Mus musculus 144-149 16220784-7 2005 CONCLUSION: With the stimulation of 25 nmol x L(-1) long-action insulin for 36 h, excess hexosamine flux and insulin resistant in IR-HIRc cell model was set up, which can be used for screening Hexosamines 89-99 insulin Homo sapiens 64-71 15322139-2 2004 The sugar donor for the O-GlcNAc transferase that catalyzes this post-translational modification is UDP-N-acetylglucosamine (UDP-GlcNAc), a product of the hexosamine biosynthesis pathway (HBP). Hexosamines 155-165 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 24-32 15843043-1 2005 Increased flux through the hexosamine biosynthetic pathway (HBP) has been shown to affect the activity and translocation of certain protein kinase C (PKC) isoforms. Hexosamines 27-37 protein kinase C alpha Homo sapiens 150-153 15699032-3 2005 Glutamine-fructose-6-phosphate aminotransferase (Gfa1) is an essential enzyme in yeast that catalyzes the first and rate-limiting step in hexosamine biosynthesis. Hexosamines 138-148 glutamine--fructose-6-phosphate transaminase (isomerizing) GFA1 Saccharomyces cerevisiae S288C 49-53 15613432-1 2005 Increases in glutamine:fructose-6-phosphate aminotransferase (GFAT) protein levels directly activate flux through the hexosamine biosynthetic pathway. Hexosamines 118-128 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 13-60 15613432-1 2005 Increases in glutamine:fructose-6-phosphate aminotransferase (GFAT) protein levels directly activate flux through the hexosamine biosynthetic pathway. Hexosamines 118-128 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 62-66 15308130-1 2004 Increased glucose metabolism through the hexosamine pathway may result in insulin resistance, impaired insulin secretion, and diabetic nephropathy. Hexosamines 41-51 insulin Homo sapiens 74-81 15472217-0 2004 Role of hexosamines in insulin resistance and nutrient sensing in human adipose and muscle tissue. Hexosamines 8-19 insulin Homo sapiens 23-30 15472217-1 2004 It has been proposed that the hexosamine pathway acts as a nutrient-sensing pathway, protecting the cell against abundant fuel supply, and that accumulation of hexosamines represents a biochemical mechanism by which hyperglycemia and hyperlipidemia induce insulin resistance. Hexosamines 30-40 insulin Homo sapiens 256-263 15472217-1 2004 It has been proposed that the hexosamine pathway acts as a nutrient-sensing pathway, protecting the cell against abundant fuel supply, and that accumulation of hexosamines represents a biochemical mechanism by which hyperglycemia and hyperlipidemia induce insulin resistance. Hexosamines 160-171 insulin Homo sapiens 256-263 15472217-2 2004 We hypothesized that if an increased flux through the hexosamine pathway caused insulin resistance in humans, the hexosamine levels should be increased in adipose and/or muscle tissue in insulin-resistant subjects, such as patients with type 2 diabetes and obese individuals. Hexosamines 54-64 insulin Homo sapiens 80-87 15472217-2 2004 We hypothesized that if an increased flux through the hexosamine pathway caused insulin resistance in humans, the hexosamine levels should be increased in adipose and/or muscle tissue in insulin-resistant subjects, such as patients with type 2 diabetes and obese individuals. Hexosamines 54-64 insulin Homo sapiens 187-194 15472217-2 2004 We hypothesized that if an increased flux through the hexosamine pathway caused insulin resistance in humans, the hexosamine levels should be increased in adipose and/or muscle tissue in insulin-resistant subjects, such as patients with type 2 diabetes and obese individuals. Hexosamines 114-124 insulin Homo sapiens 187-194 15329829-9 2004 High glucose and glucosamine inhibited Pax-3 expression by embryo culture, but culture in glutamine-free media to block the hexosamine pathway prevented the inhibition of Pax-3 expression by high glucose. Hexosamines 124-134 paired box 3 Mus musculus 171-176 15181156-8 2004 This gene is expressed at significant levels in the central nervous system (CNS) and encodes glutamine-fructose-6-phosphate transaminase (GFPT) 2, a rate-limiting enzyme in hexosamine biosynthesis. Hexosamines 173-183 glutamine fructose-6-phosphate transaminase 1 Mus musculus 93-136 15181156-8 2004 This gene is expressed at significant levels in the central nervous system (CNS) and encodes glutamine-fructose-6-phosphate transaminase (GFPT) 2, a rate-limiting enzyme in hexosamine biosynthesis. Hexosamines 173-183 glutamine fructose-6-phosphate transaminase 1 Mus musculus 138-142 15171754-1 2004 BACKGROUND: Glucosamine increases flux through the hexosamine pathway, causing insulin resistance and disturbances similar to diabetic glucose toxicity. Hexosamines 51-61 insulin Homo sapiens 79-86 15133036-11 2004 GFAT2 is, therefore, an isoenzyme of GFAT1, but its regulation by cAMP is the opposite, allowing differential regulation of the hexosamine pathway in specialized tissues. Hexosamines 128-138 glutamine fructose-6-phosphate transaminase 2 Mus musculus 0-5 14684615-0 2004 Activation of the hexosamine signaling pathway in adipose tissue results in decreased serum adiponectin and skeletal muscle insulin resistance. Hexosamines 18-28 adiponectin, C1Q and collagen domain containing Mus musculus 92-103 15001544-0 2004 Activation of the hexosamine pathway leads to phosphorylation of insulin receptor substrate-1 on Ser307 and Ser612 and impairs the phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin insulin biosynthetic pathway in RIN pancreatic beta-cells. Hexosamines 18-28 insulin receptor substrate 1 Homo sapiens 65-93 15001544-0 2004 Activation of the hexosamine pathway leads to phosphorylation of insulin receptor substrate-1 on Ser307 and Ser612 and impairs the phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin insulin biosynthetic pathway in RIN pancreatic beta-cells. Hexosamines 18-28 AKT serine/threonine kinase 1 Homo sapiens 161-164 15001544-0 2004 Activation of the hexosamine pathway leads to phosphorylation of insulin receptor substrate-1 on Ser307 and Ser612 and impairs the phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin insulin biosynthetic pathway in RIN pancreatic beta-cells. Hexosamines 18-28 mechanistic target of rapamycin kinase Homo sapiens 165-194 15001544-0 2004 Activation of the hexosamine pathway leads to phosphorylation of insulin receptor substrate-1 on Ser307 and Ser612 and impairs the phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin insulin biosynthetic pathway in RIN pancreatic beta-cells. Hexosamines 18-28 insulin Homo sapiens 65-72 15001544-1 2004 Many adverse effects of glucose were attributed to its increased routing through the hexosamine pathway (HBP). Hexosamines 85-95 heme binding protein 1 Homo sapiens 105-108 15164326-1 2004 Previously published studies suggest that an alteration in hexosamine flux induces a state of insulin resistance in muscle, liver, and other cell types. Hexosamines 59-69 insulin Homo sapiens 94-101 14757763-0 2004 Upstream stimulatory factor (USF) proteins induce human TGF-beta1 gene activation via the glucose-response element-1013/-1002 in mesangial cells: up-regulation of USF activity by the hexosamine biosynthetic pathway. Hexosamines 183-193 transforming growth factor beta 1 Homo sapiens 56-65 14757763-1 2004 The hyperglycemia-enhanced flux through the hexosamine biosynthetic pathway (HBP) has been implicated in the up-regulated gene expression of transforming growth factor-beta1 (TGF-beta1) in mesangial cells, thus leading to mesangial matrix expansion and diabetic glomerulosclerosis. Hexosamines 44-54 transforming growth factor beta 1 Homo sapiens 141-173 14757763-1 2004 The hyperglycemia-enhanced flux through the hexosamine biosynthetic pathway (HBP) has been implicated in the up-regulated gene expression of transforming growth factor-beta1 (TGF-beta1) in mesangial cells, thus leading to mesangial matrix expansion and diabetic glomerulosclerosis. Hexosamines 44-54 transforming growth factor beta 1 Homo sapiens 175-184 14559714-5 2004 In this study, we investigated the hypothesis that the effects of glucose on MES matrix production occur via hexosamine regulation of TGF-beta1. Hexosamines 109-119 transforming growth factor, beta 1 Rattus norvegicus 134-143 14670931-11 2004 CONCLUSIONS: In conclusion, our present findings support a notion that Rho/Rho kinase pathway functions downstream of protein kinase C and the hexosamine pathways and upstream of ERK in mediating high-glucose-induced upregulation of osteopontin expression. Hexosamines 143-153 Eph receptor B1 Rattus norvegicus 179-182 14670931-11 2004 CONCLUSIONS: In conclusion, our present findings support a notion that Rho/Rho kinase pathway functions downstream of protein kinase C and the hexosamine pathways and upstream of ERK in mediating high-glucose-induced upregulation of osteopontin expression. Hexosamines 143-153 secreted phosphoprotein 1 Rattus norvegicus 233-244 14764791-1 2004 Increased flux of glucose through the hexosamine biosynthetic pathway has been implicated in insulin resistance, altered insulin secretion, and diabetic nephropathy. Hexosamines 38-48 insulin Homo sapiens 93-100 14764791-2 2004 Glutamine:fructose-6-phosphate amidotransferase (GFPT), the rate limiting enzyme in hexosamine biosynthesis, is encoded by the unlinked but highly homologous genes GFPT1 and GFPT2. Hexosamines 84-94 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-47 14764791-2 2004 Glutamine:fructose-6-phosphate amidotransferase (GFPT), the rate limiting enzyme in hexosamine biosynthesis, is encoded by the unlinked but highly homologous genes GFPT1 and GFPT2. Hexosamines 84-94 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-53 14764791-2 2004 Glutamine:fructose-6-phosphate amidotransferase (GFPT), the rate limiting enzyme in hexosamine biosynthesis, is encoded by the unlinked but highly homologous genes GFPT1 and GFPT2. Hexosamines 84-94 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 164-169 14764791-2 2004 Glutamine:fructose-6-phosphate amidotransferase (GFPT), the rate limiting enzyme in hexosamine biosynthesis, is encoded by the unlinked but highly homologous genes GFPT1 and GFPT2. Hexosamines 84-94 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 174-179 14764791-10 2004 We propose that the 3" UTR variant results in increased GFPT2 mRNA levels with resultant increased hexosamine flux. Hexosamines 99-109 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 56-61 14570901-11 2003 Taken together, the results clearly demonstrate that the metabolism of glutamine through the hexosamine pathway leads to the cytosolic O-glycosylation of Sp1, which, in turn, translocates into nucleus and stimulates the ASS gene transcription. Hexosamines 93-103 argininosuccinate synthase 1 Homo sapiens 220-223 14988277-1 2004 Glutamine-fructose-6-phosphate transaminase 1 (GFAT) is the rate-limiting enzyme of the hexosamine pathway that has been implicated in the pathogenesis of diabetic nephropathy. Hexosamines 88-98 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-45 14988277-1 2004 Glutamine-fructose-6-phosphate transaminase 1 (GFAT) is the rate-limiting enzyme of the hexosamine pathway that has been implicated in the pathogenesis of diabetic nephropathy. Hexosamines 88-98 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 47-51 15075468-2 2003 The dynamic and insightful research endeavors implemented at the Medical School of Bialystok revealed new information regarding enzymatic pathways of mucin synthesis especially its carbohydrate components such as hexosamines. Hexosamines 213-224 LOC100508689 Homo sapiens 150-155 12874386-3 2003 We demonstrate, in vitro, that each enzyme in the hexosamine salvage pathway, and the enzymes that affect this dynamic modification (UDP-GlcNAc:polypeptidtyltransferase and O-GlcNAcase), tolerate analogues of their natural substrates in which the N-acyl side chain has been modified to bear a bio-orthogonal azide moiety. Hexosamines 50-60 O-GlcNAcase Homo sapiens 173-184 12960040-0 2003 High glucose stimulates angiotensinogen gene expression and cell hypertrophy via activation of the hexosamine biosynthesis pathway in rat kidney proximal tubular cells. Hexosamines 99-109 angiotensinogen Rattus norvegicus 24-39 12960040-1 2003 The present study investigated whether activation of the hexosamine biosynthesis pathway might mediate at least in part the high glucose effect on angiotensinogen (ANG) gene expression and immortalized renal proximal tubular cell (IRPTC) hypertrophy. Hexosamines 57-67 angiotensinogen Rattus norvegicus 147-162 12960040-1 2003 The present study investigated whether activation of the hexosamine biosynthesis pathway might mediate at least in part the high glucose effect on angiotensinogen (ANG) gene expression and immortalized renal proximal tubular cell (IRPTC) hypertrophy. Hexosamines 57-67 angiotensinogen Rattus norvegicus 164-167 12960040-13 2003 Our studies demonstrate that the stimulatory effect of high glucose on ANG gene expression and IRPTC hypertrophy may be mediated at least in part via activation of hexosamine biosynthesis pathway signaling. Hexosamines 164-174 angiotensinogen Rattus norvegicus 71-74 12802498-1 2003 AIMS/HYPOTHESIS: Increased flux through the hexosamine biosynthetic pathway with glutamine:fructose-6-phosphate aminotransferase (GFAT) as a rate-limiting enzyme has been linked to the enhanced bioactivity of the prosclerotic cytokine TGF-beta1, a key mediator in the development of diabetic nephropathy and possibly other diabetic angiopathies. Hexosamines 44-54 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 130-134 12802498-8 2003 CONCLUSION/INTERPRETATION: The data indicate that the hexosamine pathway-mediated induction of TGF-beta1 synthesis in mesangial cells is dependent on GFAT enzyme activity. Hexosamines 54-64 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 150-154 12527415-0 2003 A single site in human beta-hexosaminidase A binds both 6-sulfate-groups on hexosamines and the sialic acid moiety of GM2 ganglioside. Hexosamines 76-87 hexosaminidase subunit alpha Homo sapiens 23-44 14768176-1 2003 Increased glucose metabolism through the hexosamine biosynthesis pathway has been shown to mediate many of adverse effects i.e. desensitisation of glucose transport in tissues, an inhibition of glycolysis and glycogen synthesis in skeletal muscles, an impairment of insulin secretion in pancreatic islet cells, arteriosclerosis and nephropathy by stimulation of growth factor TGF-alpha and TGF-beta 1 promoters expression. Hexosamines 41-51 transforming growth factor alpha Homo sapiens 376-385 14768176-1 2003 Increased glucose metabolism through the hexosamine biosynthesis pathway has been shown to mediate many of adverse effects i.e. desensitisation of glucose transport in tissues, an inhibition of glycolysis and glycogen synthesis in skeletal muscles, an impairment of insulin secretion in pancreatic islet cells, arteriosclerosis and nephropathy by stimulation of growth factor TGF-alpha and TGF-beta 1 promoters expression. Hexosamines 41-51 transforming growth factor beta 1 Homo sapiens 390-400 12679868-0 2003 P38 mitogen-activated protein kinase mediates hexosamine-induced TGFbeta1 mRNA expression in human mesangial cells. Hexosamines 46-56 mitogen-activated protein kinase 14 Homo sapiens 0-3 12679868-0 2003 P38 mitogen-activated protein kinase mediates hexosamine-induced TGFbeta1 mRNA expression in human mesangial cells. Hexosamines 46-56 latent transforming growth factor beta binding protein 1 Homo sapiens 65-73 12679868-1 2003 AIMS/HYPOTHESIS: The hexosamine pathway has been implicated in the induction of TGFbeta1 expression and in the pathophysiology of diabetic glomerulopathy. Hexosamines 21-31 latent transforming growth factor beta binding protein 1 Homo sapiens 80-88 12679868-3 2003 We examined whether the p38-MAPK is implicated in hexosamine-induced TGFbeta1 mRNA expression in human mesangial cells. Hexosamines 50-60 mitogen-activated protein kinase 14 Homo sapiens 24-27 12679868-3 2003 We examined whether the p38-MAPK is implicated in hexosamine-induced TGFbeta1 mRNA expression in human mesangial cells. Hexosamines 50-60 latent transforming growth factor beta binding protein 1 Homo sapiens 69-77 12679868-6 2003 P38-MAPK inhibition using SB202190 (1 micro mol/l) reduced hexosamine-induced TGFbeta1 expression in normal and high glucose. Hexosamines 59-69 mitogen-activated protein kinase 14 Homo sapiens 0-3 12679868-6 2003 P38-MAPK inhibition using SB202190 (1 micro mol/l) reduced hexosamine-induced TGFbeta1 expression in normal and high glucose. Hexosamines 59-69 latent transforming growth factor beta binding protein 1 Homo sapiens 78-86 12679868-7 2003 The activation of the p38-MAPK was dependent on protein kinase-C. METHODS: The products of the hexosamine biosynthetic pathway were increased by the addition of glucosamine or by the overexpression of the rate-limiting enzyme of the hexosamine pathway, glutamine: fructose-6-phosphate amidotransferase (GFAT). Hexosamines 95-105 mitogen-activated protein kinase 14 Homo sapiens 22-30 12679868-7 2003 The activation of the p38-MAPK was dependent on protein kinase-C. METHODS: The products of the hexosamine biosynthetic pathway were increased by the addition of glucosamine or by the overexpression of the rate-limiting enzyme of the hexosamine pathway, glutamine: fructose-6-phosphate amidotransferase (GFAT). Hexosamines 95-105 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 303-307 12679868-7 2003 The activation of the p38-MAPK was dependent on protein kinase-C. METHODS: The products of the hexosamine biosynthetic pathway were increased by the addition of glucosamine or by the overexpression of the rate-limiting enzyme of the hexosamine pathway, glutamine: fructose-6-phosphate amidotransferase (GFAT). Hexosamines 233-243 mitogen-activated protein kinase 14 Homo sapiens 22-30 12679868-9 2003 UDP-N-Acetylglucosamine, one of the major hexosamine end-products, was increased in normal (7 mmol/l) and high (25 mmol/l) glucose conditions in GFAT-transfected cells compared to control transfected cells by twofold and 1.7-fold respectively ( p</=0.04) and this was accompanied by a 1.6- and 2.3-fold increase ( p</=0.02) in TGFbeta1 mRNA expression. Hexosamines 42-52 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 145-149 12679868-11 2003 CONCLUSION/INTERPRETATION: Overexpression of GFAT increases hexosamine accumulation which mediates TGFbeta1 expression via a protein kinase-C and p38-MAPK dependent mechanism. Hexosamines 60-70 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 45-49 12679868-11 2003 CONCLUSION/INTERPRETATION: Overexpression of GFAT increases hexosamine accumulation which mediates TGFbeta1 expression via a protein kinase-C and p38-MAPK dependent mechanism. Hexosamines 60-70 latent transforming growth factor beta binding protein 1 Homo sapiens 99-107 12679868-11 2003 CONCLUSION/INTERPRETATION: Overexpression of GFAT increases hexosamine accumulation which mediates TGFbeta1 expression via a protein kinase-C and p38-MAPK dependent mechanism. Hexosamines 60-70 mitogen-activated protein kinase 14 Homo sapiens 146-154 12510058-7 2003 Hexosamine flux and subsequent enzymatic protein O-glycosylation have been postulated to mediate nutrient sensing and insulin resistance. Hexosamines 0-10 insulin Homo sapiens 118-125 12844520-3 2003 As a result of the decreased ability of GAPDH to process upstream metabolites, three pathways of metabolic damage are activated, which include the advanced glycation end-product formation pathway, the protein kinase C pathway, and the hexosamine pathway. Hexosamines 235-245 glyceraldehyde-3-phosphate dehydrogenase Rattus norvegicus 40-45 12606504-0 2003 Palmitate-induced activation of the hexosamine pathway in human myotubes: increased expression of glutamine:fructose-6-phosphate aminotransferase. Hexosamines 36-46 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 98-145 12606504-1 2003 The nutrient sensing capacity of the hexosamine biosynthetic pathway (HBP) has been implicated in the development of insulin resistance of skeletal muscle. Hexosamines 37-47 insulin Homo sapiens 117-124 12504895-1 2003 O-Linked N-acetylglucosamine (GlcNAc) transferase (OGT) mediates a novel hexosamine-dependent signal transduction pathway. Hexosamines 73-83 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 51-54 12414889-1 2002 Animal studies suggest that overactivity of the hexosamine pathway, resulting in increased UDP-hexosamines [UDP-N-acetylglucosamine (UDP-GlcNAc) and UDP-N-acetylgalactosamine (UDP-GalNAc)] is an important mechanism by which hyperglycemia causes insulin resistance. Hexosamines 48-58 insulin Homo sapiens 245-252 12762824-9 2003 In addition, a "nutrient sensing pathway" (the hexosamine biosynthetic pathway), which regulates leptin gene expression, will be discussed as a possible mechanism by which exercise-induced energy deficit may modulate serum leptin concentrations. Hexosamines 47-57 leptin Homo sapiens 97-103 12762824-9 2003 In addition, a "nutrient sensing pathway" (the hexosamine biosynthetic pathway), which regulates leptin gene expression, will be discussed as a possible mechanism by which exercise-induced energy deficit may modulate serum leptin concentrations. Hexosamines 47-57 leptin Homo sapiens 223-229 12136128-6 2002 These data support the proposal that O-linked GlcNAc transferase participates in a hexosamine-dependent signaling pathway that is linked to insulin resistance and leptin production. Hexosamines 83-93 insulin Homo sapiens 140-147 12193136-9 2002 These results suggest that ET-1-induced glucose uptake is independent of its effects on modulating intracellular Ca(2+) and cAMP levels, but is likely linked to the hexosamine biosynthetic pathway. Hexosamines 165-175 endothelin 1 Rattus norvegicus 27-31 12135947-4 2002 Both in vivo and in vitro phosphorylation of endothelial nitric oxide synthase (eNOS) by Akt were reduced by hyperglycemia and hexosamine activation. Hexosamines 127-137 nitric oxide synthase 3 Homo sapiens 45-78 12135947-4 2002 Both in vivo and in vitro phosphorylation of endothelial nitric oxide synthase (eNOS) by Akt were reduced by hyperglycemia and hexosamine activation. Hexosamines 127-137 AKT serine/threonine kinase 1 Homo sapiens 89-92 12135947-5 2002 Insulin-induced eNOS activity in vivo was reduced by hyperglycemia and hexosamine activation, which was coupled to increased activation and expression of matrix metalloproteinase-2 and -9; these phenomena were reversed by inhibition of the hexosamine pathway. Hexosamines 71-81 insulin Homo sapiens 0-7 12135947-5 2002 Insulin-induced eNOS activity in vivo was reduced by hyperglycemia and hexosamine activation, which was coupled to increased activation and expression of matrix metalloproteinase-2 and -9; these phenomena were reversed by inhibition of the hexosamine pathway. Hexosamines 71-81 matrix metallopeptidase 2 Homo sapiens 154-187 12135947-5 2002 Insulin-induced eNOS activity in vivo was reduced by hyperglycemia and hexosamine activation, which was coupled to increased activation and expression of matrix metalloproteinase-2 and -9; these phenomena were reversed by inhibition of the hexosamine pathway. Hexosamines 240-250 insulin Homo sapiens 0-7 12135947-5 2002 Insulin-induced eNOS activity in vivo was reduced by hyperglycemia and hexosamine activation, which was coupled to increased activation and expression of matrix metalloproteinase-2 and -9; these phenomena were reversed by inhibition of the hexosamine pathway. Hexosamines 240-250 matrix metallopeptidase 2 Homo sapiens 154-187 12135947-7 2002 CONCLUSIONS: Our data show that hyperglycemia, through the hexosamine pathway, impairs activation of the IR/IRS/PI3-K/Akt pathway, resulting in deregulation of eNOS activity. Hexosamines 59-69 isoleucyl-tRNA synthetase 1 Homo sapiens 105-111 12135947-7 2002 CONCLUSIONS: Our data show that hyperglycemia, through the hexosamine pathway, impairs activation of the IR/IRS/PI3-K/Akt pathway, resulting in deregulation of eNOS activity. Hexosamines 59-69 AKT serine/threonine kinase 1 Homo sapiens 118-121 12044898-5 2002 GlcN-6-P synthase is inflicted in phenomenon of hexosamine-induced insulin resistance in diabetes. Hexosamines 48-58 insulin Homo sapiens 67-74 12079840-3 2002 Overexpression of the rate-limiting enzyme for hexosamine synthesis (glutamine:fructose-6-phosphate amidotransferase, GFA) in muscle and fat results in insulin resistance and hyperleptinemia. Hexosamines 47-57 glutamine fructose-6-phosphate transaminase 1 Mus musculus 118-121 11916938-0 2002 Flux through the hexosamine pathway is a determinant of nuclear factor kappaB- dependent promoter activation. Hexosamines 17-27 nuclear factor kappa B subunit 1 Homo sapiens 71-77 11842094-1 2002 Glutamine-fructose-6-phosphate amidotransferase (GFAT) catalyzes the first committed step in the pathway for biosynthesis of hexosamines in mammals. Hexosamines 125-136 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-47 11842094-1 2002 Glutamine-fructose-6-phosphate amidotransferase (GFAT) catalyzes the first committed step in the pathway for biosynthesis of hexosamines in mammals. Hexosamines 125-136 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-53 11916938-10 2002 These results suggest that increased flux through the hexosamine pathway leads to NF-kappaB-dependent promoter activation in MCs. Hexosamines 54-64 nuclear factor kappa B subunit 1 Homo sapiens 82-91 11916938-4 2002 Overexpression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for flux through the hexosamine pathway, led to a 2.2-fold increase in NF-kappaB enhancer activity; the combination of GFAT overexpression and high glucose increased activity 2.8-fold, and these increases were prevented by 40 micromol/l O-diazoacetyl-L-serine (azaserine) or 6-diazo-5-oxonorleucine. Hexosamines 120-130 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 18-65 11916938-4 2002 Overexpression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for flux through the hexosamine pathway, led to a 2.2-fold increase in NF-kappaB enhancer activity; the combination of GFAT overexpression and high glucose increased activity 2.8-fold, and these increases were prevented by 40 micromol/l O-diazoacetyl-L-serine (azaserine) or 6-diazo-5-oxonorleucine. Hexosamines 120-130 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 67-71 11916938-4 2002 Overexpression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for flux through the hexosamine pathway, led to a 2.2-fold increase in NF-kappaB enhancer activity; the combination of GFAT overexpression and high glucose increased activity 2.8-fold, and these increases were prevented by 40 micromol/l O-diazoacetyl-L-serine (azaserine) or 6-diazo-5-oxonorleucine. Hexosamines 120-130 nuclear factor kappa B subunit 1 Homo sapiens 170-179 11916938-4 2002 Overexpression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for flux through the hexosamine pathway, led to a 2.2-fold increase in NF-kappaB enhancer activity; the combination of GFAT overexpression and high glucose increased activity 2.8-fold, and these increases were prevented by 40 micromol/l O-diazoacetyl-L-serine (azaserine) or 6-diazo-5-oxonorleucine. Hexosamines 120-130 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 218-222 11930630-10 2001 The activity of glutamine: fructose-6-P aminotransferase (GFAT), the key enzyme of hexosamine pathway, was measured by spetrophotometry method. Hexosamines 83-93 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 16-56 11755928-0 2002 Hyperglycemia induces PAI-1 gene expression in adipose tissue by activation of the hexosamine biosynthetic pathway. Hexosamines 83-93 serpin family E member 1 Rattus norvegicus 22-27 11755928-9 2002 Our results support the hypothesis that increased glucose uptake induces PAI-1 gene expression in adipose tissue, probably through the activation of the hexosamine biosynthetic pathway. Hexosamines 153-163 serpin family E member 1 Rattus norvegicus 73-78 11751598-0 2002 Hexosamines regulate leptin production in 3T3-L1 adipocytes through transcriptional mechanisms. Hexosamines 0-11 leptin Homo sapiens 21-27 11751598-1 2002 This study was undertaken to examine the regulation of leptin gene (LEP) transcription and leptin release by hexosamines in 3T3-L1 adipocytes. Hexosamines 109-120 leptin Homo sapiens 55-61 11751598-1 2002 This study was undertaken to examine the regulation of leptin gene (LEP) transcription and leptin release by hexosamines in 3T3-L1 adipocytes. Hexosamines 109-120 leptin Homo sapiens 91-97 11751598-5 2002 Inhibition of hexosamine biosynthesis with 6-diazo-5-oxonorleucine (20 microM) reduced glucose-stimulated leptin release 13 +/- 2.3% and 29.9 +/- 6.6% at 24 and 96 h, respectively (n = 4; P < 0.05). Hexosamines 14-24 leptin Homo sapiens 106-112 11751598-11 2002 These data demonstrate that glucose and hexosamines regulate leptin production through transcriptional mechanisms localized to the proximal portion of the LEP promoter. Hexosamines 40-51 leptin Homo sapiens 61-67 11751598-11 2002 These data demonstrate that glucose and hexosamines regulate leptin production through transcriptional mechanisms localized to the proximal portion of the LEP promoter. Hexosamines 40-51 leptin Homo sapiens 155-158 11751598-12 2002 Hexosamine-mediated regulation of LEP gene expression does not depend on Sp1 binding to traditional sites on the promoter. Hexosamines 0-10 leptin Homo sapiens 34-37 11872372-3 2002 The hexosamine hypothesis for glucose sensing has been validated by overexpressing the rate-limiting enzyme for hexosamine synthesis, glutamine: fructose-6-phosphate amidotransferase (GFA) in several tissues including muscle, liver, fat, and beta cells. Hexosamines 4-14 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 184-187 11872372-3 2002 The hexosamine hypothesis for glucose sensing has been validated by overexpressing the rate-limiting enzyme for hexosamine synthesis, glutamine: fructose-6-phosphate amidotransferase (GFA) in several tissues including muscle, liver, fat, and beta cells. Hexosamines 112-122 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 184-187 11930630-10 2001 The activity of glutamine: fructose-6-P aminotransferase (GFAT), the key enzyme of hexosamine pathway, was measured by spetrophotometry method. Hexosamines 83-93 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 58-62 11679416-1 2001 Glutamine:fructose-6-phosphate amidotransferase(GFAT) is the rate-limiting enzyme of the hexosamine synthesis pathway. Hexosamines 89-99 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 48-52 11696579-5 2001 Both the inhibition of eNOS and the changes in its post-translational modifications were reversed by antisense inhibition of glutamine:fructose-6-phosphate amidotransferase, the rate-limiting enzyme of the hexosamine pathway, or by blocking mitochondrial superoxide overproduction with uncoupling protein-1 (UCP-1) or manganese superoxide dismutase (MnSOD). Hexosamines 206-216 uncoupling protein 1 Homo sapiens 286-313 11696579-5 2001 Both the inhibition of eNOS and the changes in its post-translational modifications were reversed by antisense inhibition of glutamine:fructose-6-phosphate amidotransferase, the rate-limiting enzyme of the hexosamine pathway, or by blocking mitochondrial superoxide overproduction with uncoupling protein-1 (UCP-1) or manganese superoxide dismutase (MnSOD). Hexosamines 206-216 superoxide dismutase 2 Homo sapiens 318-348 11696579-5 2001 Both the inhibition of eNOS and the changes in its post-translational modifications were reversed by antisense inhibition of glutamine:fructose-6-phosphate amidotransferase, the rate-limiting enzyme of the hexosamine pathway, or by blocking mitochondrial superoxide overproduction with uncoupling protein-1 (UCP-1) or manganese superoxide dismutase (MnSOD). Hexosamines 206-216 superoxide dismutase 2 Homo sapiens 350-355 11532966-9 2001 Glucose and amino acid metabolism generates hexosamine precursors that may be key regulators of a nutrient sensing pathway involving O-GlcNAc signaling. Hexosamines 44-54 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 133-141 11574420-0 2001 Hexosamine-induced fibronectin protein synthesis in mesangial cells is associated with increases in cAMP responsive element binding (CREB) phosphorylation and nuclear CREB: the involvement of protein kinases A and C. Hyperglycemia-induced alterations in mesangial (MES) cell function and extracellular matrix protein accumulation are seen in diabetic glomerulopathy. Hexosamines 0-10 fibronectin 1 Rattus norvegicus 19-30 11574420-0 2001 Hexosamine-induced fibronectin protein synthesis in mesangial cells is associated with increases in cAMP responsive element binding (CREB) phosphorylation and nuclear CREB: the involvement of protein kinases A and C. Hyperglycemia-induced alterations in mesangial (MES) cell function and extracellular matrix protein accumulation are seen in diabetic glomerulopathy. Hexosamines 0-10 cAMP responsive element binding protein 1 Rattus norvegicus 133-137 11574420-0 2001 Hexosamine-induced fibronectin protein synthesis in mesangial cells is associated with increases in cAMP responsive element binding (CREB) phosphorylation and nuclear CREB: the involvement of protein kinases A and C. Hyperglycemia-induced alterations in mesangial (MES) cell function and extracellular matrix protein accumulation are seen in diabetic glomerulopathy. Hexosamines 0-10 cAMP responsive element binding protein 1 Rattus norvegicus 167-171 11574420-1 2001 Recent studies have demonstrated that some of the effects of high glucose (HG) on cellular metabolism are mediated by the hexosamine biosynthesis pathway (HBP), in which fructose-6-phosphate is converted to glucosamine 6-phosphate by the rate-liming enzyme glutamine:fructose-6-phosphate amidotransferase (GFA). Hexosamines 122-132 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 257-304 11574420-1 2001 Recent studies have demonstrated that some of the effects of high glucose (HG) on cellular metabolism are mediated by the hexosamine biosynthesis pathway (HBP), in which fructose-6-phosphate is converted to glucosamine 6-phosphate by the rate-liming enzyme glutamine:fructose-6-phosphate amidotransferase (GFA). Hexosamines 122-132 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 306-309 11574420-10 2001 Pharmacologic inhibition of protein kinase C (PKC) and protein kinase A (PKA), which are involved in hexosamine-mediated matrix production, blocked the CREB phosphorylation and fibronectin synthesis seen in HG and GlcN conditions. Hexosamines 101-111 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 55-71 11574420-10 2001 Pharmacologic inhibition of protein kinase C (PKC) and protein kinase A (PKA), which are involved in hexosamine-mediated matrix production, blocked the CREB phosphorylation and fibronectin synthesis seen in HG and GlcN conditions. Hexosamines 101-111 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 73-76 11574420-10 2001 Pharmacologic inhibition of protein kinase C (PKC) and protein kinase A (PKA), which are involved in hexosamine-mediated matrix production, blocked the CREB phosphorylation and fibronectin synthesis seen in HG and GlcN conditions. Hexosamines 101-111 cAMP responsive element binding protein 1 Rattus norvegicus 152-156 11574420-11 2001 We conclude that the effects of HG on fibronectin synthesis in the mesangium are mediated by the HBP possibly via hexosamine regulation of CREB and PKC/PKA signaling pathways. Hexosamines 114-124 fibronectin 1 Rattus norvegicus 38-49 11574420-11 2001 We conclude that the effects of HG on fibronectin synthesis in the mesangium are mediated by the HBP possibly via hexosamine regulation of CREB and PKC/PKA signaling pathways. Hexosamines 114-124 cAMP responsive element binding protein 1 Rattus norvegicus 139-143 11574420-11 2001 We conclude that the effects of HG on fibronectin synthesis in the mesangium are mediated by the HBP possibly via hexosamine regulation of CREB and PKC/PKA signaling pathways. Hexosamines 114-124 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 152-155 11564705-0 2001 Hexosamines and nutrient excess induce leptin production and leptin receptor activation in pancreatic islets and clonal beta-cells. Hexosamines 0-11 leptin Homo sapiens 39-45 11564705-0 2001 Hexosamines and nutrient excess induce leptin production and leptin receptor activation in pancreatic islets and clonal beta-cells. Hexosamines 0-11 leptin Homo sapiens 61-67 11564705-7 2001 The hexosamine-mediated induction of the leptin system in clonal beta-cells was associated with increased responsiveness to leptin, as demonstrated by a 2.6 +/- 0.3-fold (P < 0.01) increase in tyrosine phosphorylation of signal transducer and activator of transcription-3. Hexosamines 4-14 leptin Homo sapiens 41-47 11564705-7 2001 The hexosamine-mediated induction of the leptin system in clonal beta-cells was associated with increased responsiveness to leptin, as demonstrated by a 2.6 +/- 0.3-fold (P < 0.01) increase in tyrosine phosphorylation of signal transducer and activator of transcription-3. Hexosamines 4-14 leptin Homo sapiens 124-130 11564705-7 2001 The hexosamine-mediated induction of the leptin system in clonal beta-cells was associated with increased responsiveness to leptin, as demonstrated by a 2.6 +/- 0.3-fold (P < 0.01) increase in tyrosine phosphorylation of signal transducer and activator of transcription-3. Hexosamines 4-14 signal transducer and activator of transcription 3 Homo sapiens 224-274 11390407-2 2001 In this study, we found that in isolated rat islets adenovirus-mediated overexpression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the first and rate-limiting enzyme of the hexosamine pathway, leads to deterioration of beta-cell function, which is similar to that found in diabetes. Hexosamines 188-198 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 90-137 11344213-1 2001 Overactivity of the hexosamine biosynthetic pathway may underlie hyperglycemia-associated insulin resistance, but to date human studies are lacking. Hexosamines 20-30 insulin Homo sapiens 90-97 11506994-3 2001 In addition, because the hexosamine biosynthetic pathway is considered to function as a biochemical sensor of intracellular nutrient availability, we hypothesized that activation of this pathway would acutely mediate in vivo the induction of AGT gene expression in fat and liver. Hexosamines 25-35 angiotensinogen Rattus norvegicus 242-245 11506994-10 2001 Our results support the hypothesis that physiological nutrient "pulses" may acutely induce AGT gene expression in both adipose tissue and liver through the activation of the hexosamine biosynthetic pathway. Hexosamines 174-184 angiotensinogen Rattus norvegicus 91-94 11399656-1 2001 Expression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for glucose entry into the hexosamine pathway, is transcriptionally regulated. Hexosamines 122-132 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 14-61 11399656-1 2001 Expression of glutamine:fructose-6-phosphate amidotransferase (GFAT), the rate-limiting enzyme for glucose entry into the hexosamine pathway, is transcriptionally regulated. Hexosamines 122-132 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 63-67 11587069-1 2001 Glutamine:fructose-6-phosphate amidotransferase (GFAT1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway, which plays an important role in hyperglycemia-induced insulin resistance. Hexosamines 91-101 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-54 11163803-1 2001 Increased flux through the hexosamine biosynthetic pathway with glutamine:fructose-6-phosphate-amidotransferase (GFAT) as rate-limiting enzyme has been linked to the enhanced bioactivity of the prosclerotic cytokine transforming growth factor beta1 (TGF-beta1) in fibrotic complications, particularly in diabetic kidney disease. Hexosamines 27-37 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 64-111 11163803-1 2001 Increased flux through the hexosamine biosynthetic pathway with glutamine:fructose-6-phosphate-amidotransferase (GFAT) as rate-limiting enzyme has been linked to the enhanced bioactivity of the prosclerotic cytokine transforming growth factor beta1 (TGF-beta1) in fibrotic complications, particularly in diabetic kidney disease. Hexosamines 27-37 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 113-117 11163803-1 2001 Increased flux through the hexosamine biosynthetic pathway with glutamine:fructose-6-phosphate-amidotransferase (GFAT) as rate-limiting enzyme has been linked to the enhanced bioactivity of the prosclerotic cytokine transforming growth factor beta1 (TGF-beta1) in fibrotic complications, particularly in diabetic kidney disease. Hexosamines 27-37 transforming growth factor beta 1 Homo sapiens 216-248 11163803-1 2001 Increased flux through the hexosamine biosynthetic pathway with glutamine:fructose-6-phosphate-amidotransferase (GFAT) as rate-limiting enzyme has been linked to the enhanced bioactivity of the prosclerotic cytokine transforming growth factor beta1 (TGF-beta1) in fibrotic complications, particularly in diabetic kidney disease. Hexosamines 27-37 transforming growth factor beta 1 Homo sapiens 250-259 10997922-1 2000 Effects of hyperglycemia on glomerular cells may be mediated by glucose entry into the hexosamine pathway, and mesangial cell (MC) expression of the hexosamine pathway rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFAT) is increased in diabetic glomerulosclerosis. Hexosamines 149-159 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 189-236 11167021-1 2000 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the first and rate-limiting enzyme of the hexosamine biosynthesis pathway, which plays an important role in glucose toxicity and cellular insulin resistance. Hexosamines 100-110 glutamine fructose-6-phosphate transaminase 1 Mus musculus 0-47 11167021-1 2000 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the first and rate-limiting enzyme of the hexosamine biosynthesis pathway, which plays an important role in glucose toxicity and cellular insulin resistance. Hexosamines 100-110 glutamine fructose-6-phosphate transaminase 1 Mus musculus 49-53 11118009-1 2000 To examine the effect of increased hexosamine flux in liver, the rate-limiting enzyme in hexosamine biosynthesis (glutamine:fructose-6-phosphate amidotransferase [GFA]) was overexpressed in transgenic mice using the PEPCK promoter. Hexosamines 89-99 glutamine fructose-6-phosphate transaminase 1 Mus musculus 114-161 11118009-1 2000 To examine the effect of increased hexosamine flux in liver, the rate-limiting enzyme in hexosamine biosynthesis (glutamine:fructose-6-phosphate amidotransferase [GFA]) was overexpressed in transgenic mice using the PEPCK promoter. Hexosamines 89-99 glutamine fructose-6-phosphate transaminase 1 Mus musculus 163-166 11050244-2 2000 We determined first that hyperglycemia induced a decrease in glyceraldehyde-3-phosphate dehydrogenase activity in bovine aortic endothelial cells via increased production of mitochondrial superoxide and a concomitant 2.4-fold increase in hexosamine pathway activity. Hexosamines 238-248 LOC786101 Bos taurus 61-101 10997922-1 2000 Effects of hyperglycemia on glomerular cells may be mediated by glucose entry into the hexosamine pathway, and mesangial cell (MC) expression of the hexosamine pathway rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFAT) is increased in diabetic glomerulosclerosis. Hexosamines 149-159 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 238-242 10997922-6 2000 Glucosamine, which is downstream of GFAT in the hexosamine pathway, produced a 2.5-fold increase in the PAI-1 promoter activity. Hexosamines 48-58 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 36-40 10997922-6 2000 Glucosamine, which is downstream of GFAT in the hexosamine pathway, produced a 2.5-fold increase in the PAI-1 promoter activity. Hexosamines 48-58 serpin family E member 1 Homo sapiens 104-109 11001759-6 2000 In contrast, azaserine, which prevents increased flux through the hexosamine pathway, decreased glucose-induced JNK1 activity but had no effect on fructose- or raffinose-induced JNK1 activity. Hexosamines 66-76 mitogen-activated protein kinase 8 Bos taurus 112-116 11061500-0 2000 Hexosamines regulate leptin production in human subcutaneous adipocytes. Hexosamines 0-11 leptin Homo sapiens 21-27 11061500-1 2000 The hexosamine biosynthetic pathway has recently been proposed as a mechanism through which cells "sense" nutrient flux to regulate leptin release. Hexosamines 4-14 leptin Homo sapiens 132-138 11061500-2 2000 This study was undertaken to examine the regulation of leptin production by hexosamines in human adipocytes. Hexosamines 76-87 leptin Homo sapiens 55-61 11061500-8 2000 These findings suggest that hexosamine biosynthesis regulates leptin production in human adipose tissue. Hexosamines 28-38 leptin Homo sapiens 62-68 10806197-8 2000 The activity of GFAT is down-regulated by cAMP, thus placing regulation on the hexosamine pathway that is in concert with the energy requirements of the organism. Hexosamines 79-89 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 16-20 10997685-3 2000 Several lines of evidence indicate that TGF-beta1 induction is mediated by the hexosamine pathway. Hexosamines 79-89 transforming growth factor beta 1 Homo sapiens 40-49 10997685-8 2000 In similar experiments, involvement of the hexosamine pathway in hyperglycemia-induced production of cytokines (TGF-alpha and basic fibroblast growth factor [bFGF]) was demonstrated in vascular smooth muscle cells. Hexosamines 43-53 transforming growth factor alpha Homo sapiens 112-121 10997685-13 2000 Current data indicate that the flux through the hexosamine pathway, regulated by GFAT, may be causally involved in the development of diabetic vascular disease, particularly diabetic nephropathy. Hexosamines 48-58 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 81-85 10898949-2 2000 In view of the important role of GFAT in the hexosamine biosynthetic pathway, we have purified the enzyme from rat liver and characterized its physicochemical properties in comparison to those from the published microbial enzymes. Hexosamines 45-55 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 33-37 10891367-5 2000 273, 20658-20668) suggests a trivial explanation of glucosamine-induced insulin resistance whereby intracellular ATP pools are depleted presumably due to the phosphorylation of glucosamine to glucosamine 6-phosphate, a hexosamine pathway intermediate. Hexosamines 219-229 insulin Homo sapiens 72-79 10753628-9 2000 On the other hand, inhibition by 6-diazo-5-oxo-l-norleucine of the rate-limiting enzyme in hexosamine biosynthesis blunted EPA-induced stimulation of leptin mRNA expression and its secretion. Hexosamines 91-101 leptin Mus musculus 150-156 10830278-12 2000 However, chronic overexpression of GFA is a unique model of hexosamine excess, as culturing control cells in low dose glucosamine (0.1-0.25 mM) did not suppress GP activity and did not eliminate the glucose-mediated down-regulation of GP activity. Hexosamines 60-70 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 35-38 10830282-0 2000 Hexosamines stimulate leptin production in transgenic mice. Hexosamines 0-11 leptin Mus musculus 22-28 10830282-2 2000 It has been recently reported that in vitro treatment of fat and muscle cells with hexosamines and acute glucosamine infusion in intact rats stimulate leptin secretion. Hexosamines 83-94 leptin Rattus norvegicus 151-157 10830282-3 2000 In order to investigate the effects of chronic, physiologic increases in hexosamine flux on leptin we have examined leptin mRNA and serum leptin in mice overexpressing the rate-limiting enzyme for hexosamine synthesis, GFA, in muscle and fat. Hexosamines 73-83 leptin Mus musculus 92-98 10830282-4 2000 Increased levels of UDP-N-acetylglucosamine, the principal end-product of the hexosamine pathway were seen in transgenic fat, consistent with the overexpression of GFA. Hexosamines 78-88 glutamine fructose-6-phosphate transaminase 1 Mus musculus 164-167 10830282-9 2000 We conclude that hexosamine flux in fat regulates leptin synthesis and secretion. Hexosamines 17-27 leptin Mus musculus 50-56 10866044-10 2000 It remains to be determined whether acceleration of the hexosamine pathway can cause insulin resistance at euglycemia in humans. Hexosamines 56-66 insulin Homo sapiens 85-92 10866051-2 2000 Glucosamine (GlcN) has been extensively used to model the role of the hexosamine synthesis pathway (HSP) in glucose-induced insulin resistance. Hexosamines 70-80 insulin Homo sapiens 124-131 10865863-10 2000 Taken together, these data indicate that high glucose enhances the expression of osteopontin at the transcriptional level possibly through the activation of protein kinase C as well as the hexosamine pathway. Hexosamines 189-199 secreted phosphoprotein 1 Homo sapiens 81-92 10753628-10 2000 These data suggest that EPA up-regulates leptin gene expression and its secretion probably through a hexosamine biosynthetic pathway. Hexosamines 101-111 leptin Mus musculus 41-47 10580414-0 1999 Evidence for glucose/hexosamine in vivo regulation of insulin/IGF-I hybrid receptor assembly. Hexosamines 21-31 insulin Homo sapiens 54-61 10640399-2 2000 Recent studies have demonstrated that the hexosamines glucosamine (GlcN) and mannosamine (ManN) can inhibit aggrecanase-mediated cleavage of aggrecan in IL-1-treated cartilage cultures. Hexosamines 42-53 interleukin 1 alpha Homo sapiens 153-157 10580430-1 1999 O-linked N-acetylglucosamine transferase (OGT) catalyzes the attachment ofN-acetylglucosamine (GlcNAc) monosaccharides to the hydroxyl group of serine or threonine residues of intracellular proteins and may play an important role in the hexosamine pathway. Hexosamines 237-247 O-linked N-acetylglucosamine (GlcNAc) transferase Rattus norvegicus 0-40 10580430-1 1999 O-linked N-acetylglucosamine transferase (OGT) catalyzes the attachment ofN-acetylglucosamine (GlcNAc) monosaccharides to the hydroxyl group of serine or threonine residues of intracellular proteins and may play an important role in the hexosamine pathway. Hexosamines 237-247 O-linked N-acetylglucosamine (GlcNAc) transferase Rattus norvegicus 42-45 10465266-14 1999 Increased exposure of skeletal muscle to glucosamine, a substrate/precursor of the hexosamine pathway, alters intracellular glucose metabolism at multiple sites and can contribute to insulin resistance in this tissue. Hexosamines 83-93 insulin Homo sapiens 183-190 10842663-4 1999 To determine whether nutrients directly affect insulin signaling, we have evaluated the impact of fatty acids, amino acids, and activation of the hexosamine pathway on insulin signaling in both cultured cells and animal models. Hexosamines 146-156 insulin Homo sapiens 168-175 10842663-6 1999 Similarly, activation of the hexosamine pathway by infusion of glucosamine also reduces insulin-stimulated phosphorylation of IRS proteins, activation of PI3-kinase, and activation of glycogen synthase. Hexosamines 29-39 insulin Homo sapiens 88-95 10385384-5 1999 Glucosamine, a product of the hexosamine pathway, in the presence of low glucose mimicked high glucose"s ability to reduce C/EBPalpha messenger RNA expression in insulin-treated cells. Hexosamines 30-40 CCAAT/enhancer binding protein (C/EBP), alpha Mus musculus 123-133 10198162-8 1999 GFAT2 can provide insights into understanding the roles of the hexosamine pathway in various tissues, particularly with the development of glucose toxicity and diabetes complications. Hexosamines 63-73 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 0-5 10426374-7 1999 These data indicate that activation of the hexosamine pathway may directly modulate early postreceptor insulin signal transduction, perhaps via posttranslation modification of IRS proteins, and thus contribute to the insulin resistance induced by chronic hyperglycemia. Hexosamines 43-53 insulin receptor substrate 1 Rattus norvegicus 176-179 10382582-5 1999 This effect of insulin is possibly mediated by the hexosamine pathway. Hexosamines 51-61 insulin Homo sapiens 15-22 10329452-6 1999 Glucosamine also increased the promoter activity of osteopontin, and azaserine, an inhibitor of glutamine:fructose-6-phosphate amidotransferase (the key enzyme of the hexosamine pathway), profoundly inhibited high glucose-mediated increase in the promoter activity. Hexosamines 167-177 secreted phosphoprotein 1 Rattus norvegicus 52-63 10329452-7 1999 Taken together, these data indicate that high glucose enhances the expression of osteopontin at the transcriptional level possibly through the activation of protein kinase C as well as the hexosamine pathway. Hexosamines 189-199 secreted phosphoprotein 1 Rattus norvegicus 81-92 10334307-1 1999 Glucosamine, a metabolite of glucose via the hexosamine biosynthetic pathway, potently induces insulin resistance in skeletal muscle by impairing insulin-induced GLUT4 translocation to the plasma membrane. Hexosamines 45-55 solute carrier family 2 member 4 Rattus norvegicus 162-167 10067838-0 1999 Mechanism of hexosamine-induced insulin resistance in transgenic mice overexpressing glutamine:fructose-6-phosphate amidotransferase: decreased glucose transporter GLUT4 translocation and reversal by treatment with thiazolidinedione. Hexosamines 13-23 glutamine fructose-6-phosphate transaminase 1 Mus musculus 85-132 10067838-0 1999 Mechanism of hexosamine-induced insulin resistance in transgenic mice overexpressing glutamine:fructose-6-phosphate amidotransferase: decreased glucose transporter GLUT4 translocation and reversal by treatment with thiazolidinedione. Hexosamines 13-23 solute carrier family 2 (facilitated glucose transporter), member 4 Mus musculus 164-169 10067838-2 1999 For example, insulin resistance results when the rate-limiting enzyme for hexosamine synthesis, glutamine:fructose-6-phosphate amidotransferase (GFA), is overexpressed in muscle and adipose tissue of transgenic mice. Hexosamines 74-84 glutamine fructose-6-phosphate transaminase 1 Mus musculus 96-143 10067838-2 1999 For example, insulin resistance results when the rate-limiting enzyme for hexosamine synthesis, glutamine:fructose-6-phosphate amidotransferase (GFA), is overexpressed in muscle and adipose tissue of transgenic mice. Hexosamines 74-84 glutamine fructose-6-phosphate transaminase 1 Mus musculus 145-148 12818092-7 1999 Based on the present and previous investigations, where we observed increased hexosamine levels only in patients with hyperinsulinemia, we can draw the conclusion that increased enzymatic glycation of proteins requires not only increased glucose but also insulin access. Hexosamines 78-88 insulin Homo sapiens 123-130 10416827-1 1999 We examined whether regulation of glutamine: fructose-6-phosphate amidotransferase (GFA), the rate-limiting enzyme of the hexosamine pathway, is tissue specific and if so whether such regulation occurs at the level of gene expression. Hexosamines 122-132 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 84-87 9836513-1 1998 Glutamine:fructose-6-phosphate amidotransferase (GFA) is the rate-limiting enzyme in hexosamine biosynthesis, an important pathway for cellular glucose sensing. Hexosamines 85-95 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-47 9854017-11 1999 Glucose may stimulate the transcription of the PKM gene via hexosamine derivatives. Hexosamines 60-70 pyruvate kinase M1/2 Homo sapiens 47-50 9836513-1 1998 Glutamine:fructose-6-phosphate amidotransferase (GFA) is the rate-limiting enzyme in hexosamine biosynthesis, an important pathway for cellular glucose sensing. Hexosamines 85-95 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-52 9806820-1 1998 A decrease in constitutive nitric oxide synthase (cNOS) activity occurred with decreases in hexosamine (an index of mucus synthesis) and adherent mucus (an index of mucus secretion) concentrations in the gastric mucosa of rats with water immersion restraint (WIR) stress. Hexosamines 92-102 nitric oxide synthase 3 Rattus norvegicus 50-54 9806820-3 1998 In all WIR-stressed rats used in this study, gastric mucosal cNOS activity was well correlated with either gastric mucosal hexosamine or adherent mucus concentration (r=0.717 or 0.739, respectively). Hexosamines 123-133 nitric oxide synthase 3 Rattus norvegicus 61-65 9801136-6 1998 If glucose is entering through GLUT1 and phosphorylated by hexokinase I, the glucose 6-phosphate so formed is available for all metabolic pathways, including the hexosamine pathway. Hexosamines 162-172 solute carrier family 2 member 1 Homo sapiens 31-36 9801136-6 1998 If glucose is entering through GLUT1 and phosphorylated by hexokinase I, the glucose 6-phosphate so formed is available for all metabolic pathways, including the hexosamine pathway. Hexosamines 162-172 hexokinase 1 Homo sapiens 59-71 9801136-7 1998 Hexosamines have a negative feedback effect on GLUT4, and reduced GLUT4 activity decreases insulin-mediated glucose uptake. Hexosamines 0-11 solute carrier family 2 member 4 Homo sapiens 47-52 9801136-7 1998 Hexosamines have a negative feedback effect on GLUT4, and reduced GLUT4 activity decreases insulin-mediated glucose uptake. Hexosamines 0-11 insulin Homo sapiens 91-98 9801136-9 1998 If glucose entrance through GLUT1 and the activation of the hexosamine pathway is abundant, it can decrease the insulin-mediated glucose transport through GLUT4 leading to insulin resistance. Hexosamines 60-70 insulin Homo sapiens 112-119 9801136-9 1998 If glucose entrance through GLUT1 and the activation of the hexosamine pathway is abundant, it can decrease the insulin-mediated glucose transport through GLUT4 leading to insulin resistance. Hexosamines 60-70 solute carrier family 2 member 4 Homo sapiens 155-160 9801136-9 1998 If glucose entrance through GLUT1 and the activation of the hexosamine pathway is abundant, it can decrease the insulin-mediated glucose transport through GLUT4 leading to insulin resistance. Hexosamines 60-70 insulin Homo sapiens 172-179 9685425-1 1998 Glucosamine, which enters the hexosamine pathway downstream of the rate-limiting step, has been routinely used to mimic the insulin resistance caused by high glucose and insulin. Hexosamines 30-40 insulin Homo sapiens 124-131 9685425-1 1998 Glucosamine, which enters the hexosamine pathway downstream of the rate-limiting step, has been routinely used to mimic the insulin resistance caused by high glucose and insulin. Hexosamines 30-40 insulin Homo sapiens 170-177 9641678-5 1998 Increased tissue concentrations of the end product of the hexosamine biosynthetic pathway, UDP-N-acetylglucosamine (UDP-GlcNAc), result in rapid and marked increases in leptin messenger RNA and protein levels (although these levels were much lower than those in fat). Hexosamines 58-68 leptin Homo sapiens 169-175 9725822-16 1998 Therefore, uridine or hexosamine-based metabolites may be involved in amylin action. Hexosamines 22-32 islet amyloid polypeptide Rattus norvegicus 70-76 9519709-2 1998 Because glutamine:fructose-6-phosphate amidotransferase (GFAT) catalyzes the first and rate-limiting step in the formation of hexosamine products, this enzyme is the key regulator in this pathway and is therefore possibly also involved in the alterations occurring in preclinical or manifest diabetic patients. Hexosamines 126-136 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 8-55 9591749-2 1998 Glucosamine, a product of glucose flux through the hexosamine biosynthetic pathway (HBP), causes insulin resistance in peripheral tissues and has been shown to cause abnormal glucose-insulin secretion coupling, and thus has been implicated in the pathogenesis of glucose toxicity. Hexosamines 51-61 insulin Homo sapiens 97-104 9519709-2 1998 Because glutamine:fructose-6-phosphate amidotransferase (GFAT) catalyzes the first and rate-limiting step in the formation of hexosamine products, this enzyme is the key regulator in this pathway and is therefore possibly also involved in the alterations occurring in preclinical or manifest diabetic patients. Hexosamines 126-136 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 57-61 9453242-9 1997 Our data suggest that products of the hexosamine biosynthetic pathway may cause insulin resistance, in part, by acutely decreasing intrinsic activity of GLUT4 as well as chronically altering the amount of GLUT4 at the cell surface. Hexosamines 38-48 insulin Homo sapiens 80-87 9831302-6 1998 Presence of azaserine an inhibitor of glutamine: fructose-6-phosphate amidotransferase, the key enzyme of the hexosamine pathway, attenuated the high glucose-induced effects on the membrane fraction of PKC-beta. Hexosamines 110-120 protein kinase C beta Homo sapiens 202-210 9831302-7 1998 Our results indicate that i) glucosamine is a potent stimulator of PKC-translocation exhibiting an isoenzyme specific translocation kinetic which is different from PMA-induced PKC-isoenzyme translocation ii) the hexosamine pathway may be possibly involved in the high glucose-induced activation of PKC. Hexosamines 212-222 protein kinase C alpha Homo sapiens 67-70 9438414-9 1998 Since GNPDA is the sole enzyme linking hexosamine systems with glycolytic pathways, we propose that it provides a source of energy in the form of phosphosugar derived from the catabolism of hexosamines found in glycoproteins, glycolipids, and sialic acid-containing macromolecules. Hexosamines 39-49 glucosamine-6-phosphate deaminase 1 Homo sapiens 6-11 9438414-9 1998 Since GNPDA is the sole enzyme linking hexosamine systems with glycolytic pathways, we propose that it provides a source of energy in the form of phosphosugar derived from the catabolism of hexosamines found in glycoproteins, glycolipids, and sialic acid-containing macromolecules. Hexosamines 190-201 glucosamine-6-phosphate deaminase 1 Homo sapiens 6-11 9438414-10 1998 Evidence that GNPDA can regulate hexosamine stores comes from our observation that transfection of GNPDA into HEK-293 cells reduces cellular levels of sialic acid. Hexosamines 33-43 glucosamine-6-phosphate deaminase 1 Homo sapiens 14-19 9438414-10 1998 Evidence that GNPDA can regulate hexosamine stores comes from our observation that transfection of GNPDA into HEK-293 cells reduces cellular levels of sialic acid. Hexosamines 33-43 glucosamine-6-phosphate deaminase 1 Homo sapiens 99-104 10212840-9 1998 We also review the implications of the malonyl CoA/LCFA CoA hypothesis to two other proposed mechanisms for insulin resistance, the glucose-fatty acid cycle and the hexosamine theory. Hexosamines 165-175 insulin Homo sapiens 108-115 9421478-4 1998 Therefore, we suggested that the hexosamine biosynthetic pathway (the key enzyme of which is glutamine:fructose-6-phosphate amidotransferase [GFAT]) contributes to the high glucose-induced TGF-beta1 production. Hexosamines 33-43 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 93-140 9421478-4 1998 Therefore, we suggested that the hexosamine biosynthetic pathway (the key enzyme of which is glutamine:fructose-6-phosphate amidotransferase [GFAT]) contributes to the high glucose-induced TGF-beta1 production. Hexosamines 33-43 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 142-146 9421478-4 1998 Therefore, we suggested that the hexosamine biosynthetic pathway (the key enzyme of which is glutamine:fructose-6-phosphate amidotransferase [GFAT]) contributes to the high glucose-induced TGF-beta1 production. Hexosamines 33-43 transforming growth factor beta 1 Homo sapiens 189-198 9421478-6 1998 Overall, our study indicates that the flux of glucose metabolism through the GFAT catalyzed hexosamine biosynthetic pathway is involved in the glucose-induced mesangial production of TGF-beta leading to increased matrix production. Hexosamines 92-102 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 77-81 9421478-6 1998 Overall, our study indicates that the flux of glucose metabolism through the GFAT catalyzed hexosamine biosynthetic pathway is involved in the glucose-induced mesangial production of TGF-beta leading to increased matrix production. Hexosamines 92-102 transforming growth factor beta 1 Homo sapiens 183-191 9453242-9 1997 Our data suggest that products of the hexosamine biosynthetic pathway may cause insulin resistance, in part, by acutely decreasing intrinsic activity of GLUT4 as well as chronically altering the amount of GLUT4 at the cell surface. Hexosamines 38-48 solute carrier family 2 member 4 Rattus norvegicus 153-158 9453242-9 1997 Our data suggest that products of the hexosamine biosynthetic pathway may cause insulin resistance, in part, by acutely decreasing intrinsic activity of GLUT4 as well as chronically altering the amount of GLUT4 at the cell surface. Hexosamines 38-48 solute carrier family 2 member 4 Rattus norvegicus 205-210 9028721-2 1997 Increased activity of the hexosamine pathway is a putative mediator of glucose-induced insulin resistance but the mechanisms are unclear. Hexosamines 26-36 insulin Homo sapiens 87-94 9178697-6 1997 Increased biliary immunoreactive PLA2-II levels in multiple cholesterol stones were associated with a concomitant increase in the lysophosphatidylcholine to phosphatidylcholine ratio; free arachidonate, protein, and hexosamine concentrations; and gallbladder bile viscosity. Hexosamines 216-226 phospholipase A2 group IIA Homo sapiens 33-37 9060444-1 1997 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the enzyme that is rate limiting in the synthesis of glucosamine and hexosamines. Hexosamines 127-138 glutamine fructose-6-phosphate transaminase 1 Mus musculus 0-47 9060444-1 1997 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the enzyme that is rate limiting in the synthesis of glucosamine and hexosamines. Hexosamines 127-138 glutamine fructose-6-phosphate transaminase 1 Mus musculus 49-53 8922359-0 1996 Increased hexosamine availability similarly impairs the action of insulin and IGF-1 on glucose disposal. Hexosamines 10-20 insulin-like growth factor 1 Rattus norvegicus 78-83 8770864-2 1996 Glutamine:fructose-6-phosphate amidotransferase (GFA), the first and rate limiting enzyme of the hexosamine biosynthetic pathway, was overexpressed in skeletal muscle and adipose tissue of transgenic mice. Hexosamines 97-107 glutamine fructose-6-phosphate transaminase 1 Mus musculus 0-47 8798515-0 1996 Differential effects of GLUT1 or GLUT4 overexpression on hexosamine biosynthesis by muscles of transgenic mice. Hexosamines 57-67 solute carrier family 2 (facilitated glucose transporter), member 4 Mus musculus 33-38 8798515-2 1996 Because increased glucose flux via the hexosamine biosynthesis pathway has been implicated in glucose-induced insulin resistance, we measured the activity of glutamine:fructose-6-phosphate amidotransferase (GFAT; rate-limiting enzyme) and the concentrations of UDP-N-acetyl hexosamines (major products of the pathway) as well as UDP-hexoses and GDP-mannose in hind limb muscles and liver in both transgenic models and controls. Hexosamines 39-49 glutamine fructose-6-phosphate transaminase 1 Mus musculus 207-211 8911980-9 1996 These hexosamine products appear to explain how glucotoxicity results in insulin resistance. Hexosamines 6-16 insulin Homo sapiens 73-80 8770864-2 1996 Glutamine:fructose-6-phosphate amidotransferase (GFA), the first and rate limiting enzyme of the hexosamine biosynthetic pathway, was overexpressed in skeletal muscle and adipose tissue of transgenic mice. Hexosamines 97-107 glutamine fructose-6-phosphate transaminase 1 Mus musculus 49-52 8690144-5 1996 Excess hexosamine flux causes insulin resistance in cultured cells, tissues, and intact animals. Hexosamines 7-17 insulin Homo sapiens 30-37 8144040-1 1994 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the rate-limiting enzyme in hexosamine synthesis and has been implicated in the control of growth factor gene expression. Hexosamines 86-96 glutamine fructose-6-phosphate transaminase 1 Mus musculus 0-47 8593934-1 1996 Overactivity of the hexosamine pathway mediates glucose-induced insulin resistance in rat adipocytes. Hexosamines 20-30 insulin Homo sapiens 64-71 8593934-11 1996 Chronic hyperglycemia is associated with an increase in skeletal muscle GFA activity, suggesting that increased activity of the hexosamine pathway may contribute to glucose toxicity and insulin resistance in humans. Hexosamines 128-138 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 72-75 8593934-11 1996 Chronic hyperglycemia is associated with an increase in skeletal muscle GFA activity, suggesting that increased activity of the hexosamine pathway may contribute to glucose toxicity and insulin resistance in humans. Hexosamines 128-138 insulin Homo sapiens 186-193 8593937-2 1996 We have previously shown that glucose downregulates basal glycogen synthase (GS) activity in Rat-1 cells and that overexpressing the rate-limiting enzyme in the hexosamine biosynthesis pathway (glutamine:fructose-6-phosphate amidotransferase [GFA]) makes the cells more sensitive to these effects of glucose. Hexosamines 161-171 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 194-241 8593937-2 1996 We have previously shown that glucose downregulates basal glycogen synthase (GS) activity in Rat-1 cells and that overexpressing the rate-limiting enzyme in the hexosamine biosynthesis pathway (glutamine:fructose-6-phosphate amidotransferase [GFA]) makes the cells more sensitive to these effects of glucose. Hexosamines 161-171 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 243-246 8593937-9 1996 Activity of PP1, a potential mediator of these effects, was responsive to glucose and hexosamines. Hexosamines 86-97 neuropeptide Y receptor Y4 Homo sapiens 12-15 8593937-15 1996 We conclude that both basal and insulin- stimulable GS and PP1 activity are downregulated by high glucose in fibroblasts and this regulation is mediated by products of the hexosamine biosynthesis pathway. Hexosamines 172-182 neuropeptide Y receptor Y4 Homo sapiens 59-62 8636435-1 1996 We examined the activity of the rate-limiting enzyme for hexosamine biosynthesis, glutamine:fructose-6-phosphate amidotransferase (GFA) in human skeletal muscle cultures (HSMC), from 17 nondiabetic control and 13 subjects with non-insulin-dependent diabetes. Hexosamines 57-67 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 82-129 8636435-1 1996 We examined the activity of the rate-limiting enzyme for hexosamine biosynthesis, glutamine:fructose-6-phosphate amidotransferase (GFA) in human skeletal muscle cultures (HSMC), from 17 nondiabetic control and 13 subjects with non-insulin-dependent diabetes. Hexosamines 57-67 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 131-134 8675649-2 1995 Glucosamine (Glmn), a product of glucose metabolism via the hexosamine pathway, causes insulin resistance in isolated adipocytes by impairing insulin-induced GLUT 4 glucose transporter translocation to the plasma membrane. Hexosamines 60-70 solute carrier family 2 member 4 Rattus norvegicus 158-164 7789306-3 1995 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the rate-limiting enzyme controlling the synthesis of the hexosamines used in these biosynthetic pathways. Hexosamines 116-127 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 0-47 7789306-3 1995 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the rate-limiting enzyme controlling the synthesis of the hexosamines used in these biosynthetic pathways. Hexosamines 116-127 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-53 7789306-4 1995 We tested the idea that growth factors might activate the transcription of the GFAT gene to increase the cellular content of this rate-limiting enzyme in hexosamine synthesis. Hexosamines 154-164 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 79-83 7607664-1 1995 It has been previously shown that some toxic effects of high concentrations of glucose are mediated by the hexosamine biosynthesis pathway and its rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFA). Hexosamines 107-117 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 168-215 7607664-1 1995 It has been previously shown that some toxic effects of high concentrations of glucose are mediated by the hexosamine biosynthesis pathway and its rate-limiting enzyme glutamine:fructose-6-phosphate amidotransferase (GFA). Hexosamines 107-117 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 217-220 7883119-2 1995 We have stably overexpressed the cDNA for human glutamine:fructose-6-phosphate amidotransferase (GFA), the rate-limiting enzyme in the hexosamine biosynthesis pathway, in rat-1 fibroblasts. Hexosamines 135-145 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 48-95 7883119-2 1995 We have stably overexpressed the cDNA for human glutamine:fructose-6-phosphate amidotransferase (GFA), the rate-limiting enzyme in the hexosamine biosynthesis pathway, in rat-1 fibroblasts. Hexosamines 135-145 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 97-100 7594339-3 1995 The gastric mucin content was examined by HPLC analysis of hexosamines in gastric biopsy specimens obtained from the lesser curvature of the pylorus and the greater curvature of the upper body. Hexosamines 59-70 LOC100508689 Homo sapiens 12-17 8195703-3 1994 When HA was chemically polysulfated to a sulfate/hexosamine molar ratio of 3.9, the sulfated HAs was shown to be a potent inhibitor of TNF-alpha production in lipopolysaccharide (LPS)- or interferon-gamma-activated THP-1 cells. Hexosamines 49-59 tumor necrosis factor Homo sapiens 135-144 8144040-1 1994 Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the rate-limiting enzyme in hexosamine synthesis and has been implicated in the control of growth factor gene expression. Hexosamines 86-96 glutamine fructose-6-phosphate transaminase 1 Mus musculus 49-53 8232303-0 1993 Glucose regulation of transforming growth factor-alpha expression is mediated by products of the hexosamine biosynthesis pathway. Hexosamines 97-107 transforming growth factor alpha Rattus norvegicus 22-54 8232303-2 1993 Based on the increased potency of glucosamine compared to glucose, we hypothesized that stimulation of TGF alpha transcription by glucose is mediated through the hexosamine biosynthesis pathway. Hexosamines 162-172 transforming growth factor alpha Rattus norvegicus 103-112 8232303-4 1993 GFA-transfected cells showed an increase in GFA activity, exhibiting a 2.2-fold increase in the synthesis of glucosamine-6-phosphate, the first product of the hexosamine biosynthetic pathway. Hexosamines 159-169 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 0-3 8232303-4 1993 GFA-transfected cells showed an increase in GFA activity, exhibiting a 2.2-fold increase in the synthesis of glucosamine-6-phosphate, the first product of the hexosamine biosynthetic pathway. Hexosamines 159-169 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 44-47 1577807-1 1992 Crucial role of glucose and the hexosamine biosynthesis pathway in the expression of insulin action. Hexosamines 32-42 insulin Homo sapiens 85-92 8472545-0 1993 Development of an HPLC method to estimate hexosamines and its application to determine mucin content in rat and human gastric mucosa. Hexosamines 42-53 solute carrier family 13 member 2 Rattus norvegicus 87-92 1577807-3 1992 Moreover, we found that loss of GFAT activity is not due to a direct action of insulin but rather is mediated by enhanced glucose uptake and the subsequent routing of glucose through the hexosamine biosynthesis pathway. Hexosamines 187-197 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 32-36 1577807-6 1992 Several lines of additional evidence implicated the hexosamine biosynthesis pathway in PK regulation; therefore, it appears that the M2 isoform of pyruvate kinase represents another enzyme regulated by insulin through stimulation of glucose uptake and formation of hexosamine products. Hexosamines 52-62 insulin Homo sapiens 202-209 1577807-6 1992 Several lines of additional evidence implicated the hexosamine biosynthesis pathway in PK regulation; therefore, it appears that the M2 isoform of pyruvate kinase represents another enzyme regulated by insulin through stimulation of glucose uptake and formation of hexosamine products. Hexosamines 265-275 insulin Homo sapiens 202-209 1535403-5 1992 At the postreceptor level, the translocation and or expression of the insulin-responsive glucose carrier GluT-4 can be down-regulated via the hexosamine pathway by hyperglycemia plus hyperinsulinemia. Hexosamines 142-152 insulin Homo sapiens 70-77 1535403-5 1992 At the postreceptor level, the translocation and or expression of the insulin-responsive glucose carrier GluT-4 can be down-regulated via the hexosamine pathway by hyperglycemia plus hyperinsulinemia. Hexosamines 142-152 solute carrier family 2 member 4 Homo sapiens 105-111 1743436-2 1991 Insights into how substrates modulate insulin action were recently obtained when we discovered that the routing of incoming glucose through the hexosamine biosynthesis pathway leads to a refractory state over a period of several hours in which the ability of insulin to stimulate glucose uptake is severely impaired--a state known as insulin resistance. Hexosamines 144-154 insulin Homo sapiens 38-45 1743436-2 1991 Insights into how substrates modulate insulin action were recently obtained when we discovered that the routing of incoming glucose through the hexosamine biosynthesis pathway leads to a refractory state over a period of several hours in which the ability of insulin to stimulate glucose uptake is severely impaired--a state known as insulin resistance. Hexosamines 144-154 insulin Homo sapiens 259-266 1743436-2 1991 Insights into how substrates modulate insulin action were recently obtained when we discovered that the routing of incoming glucose through the hexosamine biosynthesis pathway leads to a refractory state over a period of several hours in which the ability of insulin to stimulate glucose uptake is severely impaired--a state known as insulin resistance. Hexosamines 144-154 insulin Homo sapiens 259-266 1743436-3 1991 Glutamine:fructose-6-phosphate amidotransferase was found to play a central role in the development of insulin resistance as this enzyme catalyzes the first and rate-limiting step in the formation of hexosamine products. Hexosamines 200-210 insulin Homo sapiens 103-110 1711080-0 1991 Lysis of Neisseria gonorrhoeae initiated by binding of normal human IgM to a hexosamine-containing lipooligosaccharide epitope(s) is augmented by strain-specific, properdin-binding-dependent alternative complement pathway activation. Hexosamines 77-87 complement factor properdin Homo sapiens 163-172 2002019-1 1991 Role of hexosamine biosynthesis in the induction of insulin resistance. Hexosamines 8-18 insulin Homo sapiens 52-59 2037571-2 1991 We reported previously that glutamine:F-6-P amidotransferase (GFAT) plays an integral role in the development of insulin resistance by directing the flow of incoming glucose into the hexosamine biosynthesis pathway. Hexosamines 183-193 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 28-60 2037571-2 1991 We reported previously that glutamine:F-6-P amidotransferase (GFAT) plays an integral role in the development of insulin resistance by directing the flow of incoming glucose into the hexosamine biosynthesis pathway. Hexosamines 183-193 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 62-66 2037571-5 1991 A pronounced loss of GFAT activity was also seen in cells exposed to glucosamine, an agent known to directly enter the hexosamine pathway (55% loss at 4 h, ED50 of 360 microM). Hexosamines 119-129 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 21-25 2037571-7 1991 When total intracellular hexosamine products were measured, we found that hexosamine formation was unaltered by insulin or glucose (or a combination) but was elevated by greater than 4-fold in the presence of insulin, glucose, and glutamine (t1/2 of 22 min), a condition known to cause both desensitization and loss of GFAT activity. Hexosamines 74-84 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 319-323 2037571-9 1991 Overall, these studies indicate that 1) GFAT is an insulin-regulated enzyme; however, control of enzyme activity is not due to a direct action of insulin, but rather is mediated by insulin-induced enhancement of glucose uptake; 2) the routing of incoming glucose through the hexosamine pathway and the formation of hexosamine products appears to regulate GFAT activity; and 3) the progressive loss of GFAT activity over several hours is probably not due to allosteric regulation. Hexosamines 275-285 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 40-44 2037571-9 1991 Overall, these studies indicate that 1) GFAT is an insulin-regulated enzyme; however, control of enzyme activity is not due to a direct action of insulin, but rather is mediated by insulin-induced enhancement of glucose uptake; 2) the routing of incoming glucose through the hexosamine pathway and the formation of hexosamine products appears to regulate GFAT activity; and 3) the progressive loss of GFAT activity over several hours is probably not due to allosteric regulation. Hexosamines 275-285 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 355-359 2037571-9 1991 Overall, these studies indicate that 1) GFAT is an insulin-regulated enzyme; however, control of enzyme activity is not due to a direct action of insulin, but rather is mediated by insulin-induced enhancement of glucose uptake; 2) the routing of incoming glucose through the hexosamine pathway and the formation of hexosamine products appears to regulate GFAT activity; and 3) the progressive loss of GFAT activity over several hours is probably not due to allosteric regulation. Hexosamines 275-285 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 355-359 2037571-9 1991 Overall, these studies indicate that 1) GFAT is an insulin-regulated enzyme; however, control of enzyme activity is not due to a direct action of insulin, but rather is mediated by insulin-induced enhancement of glucose uptake; 2) the routing of incoming glucose through the hexosamine pathway and the formation of hexosamine products appears to regulate GFAT activity; and 3) the progressive loss of GFAT activity over several hours is probably not due to allosteric regulation. Hexosamines 315-325 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 40-44 2002019-2 1991 Based on our previous finding that desensitization of the insulin-responsive glucose transport system (GTS) requires three components, glucose, insulin, and glutamine, we postulated that the routing of incoming glucose through the hexosamine biosynthesis pathway plays a key role in the development of insulin resistance in primary cultured adipocytes. Hexosamines 231-241 insulin Homo sapiens 58-65 2002019-2 1991 Based on our previous finding that desensitization of the insulin-responsive glucose transport system (GTS) requires three components, glucose, insulin, and glutamine, we postulated that the routing of incoming glucose through the hexosamine biosynthesis pathway plays a key role in the development of insulin resistance in primary cultured adipocytes. Hexosamines 231-241 insulin Homo sapiens 144-151 2002019-4 1991 First, we assessed whether glucose-induced desensitization of the GTS could be prevented by glutamine analogs that irreversibly inactivate glutamine-requiring enzymes, such as glutamine:fructose-6-phosphate amidotransferase (GFAT) the first and the rate-limiting enzyme in hexosamine biosynthesis. Hexosamines 273-283 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 176-223 2002019-8 1991 As a second approach, we determined whether glucosamine, an agent known to preferentially enter the hexosamine pathway at a point distal to enzymatic amidation by GFAT, could induce cellular insulin resistance. Hexosamines 100-110 insulin Homo sapiens 191-198 2002019-13 1991 Overall, these studies indicate that a unique metabolic pathway exists in adipocytes that mediates desensitization of the insulin-responsive GTS, and reveal that an early step in this pathway involves the conversion of fructose 6-phosphate to glucosamine 6-phosphate by the first and rate-limiting enzyme of the hexosamine pathway, glutamine:fructose-6-phosphate amidotransferase. Hexosamines 312-322 insulin Homo sapiens 122-129 2243109-5 1990 Isolation of glycosylated peptides from tryptic digests of fibromodulin by ion-exchange chromatography and reversed-phase high performance liquid chromatography revealed four separate hexosamine-rich species, that were also immunoreactive with monoclonal antibody 5D4. Hexosamines 184-194 fibromodulin Bos taurus 59-71 34951587-2 2021 Previously, we demonstrated that PDA cells enhance glycosylation precursor biogenesis through the hexosamine biosynthetic pathway (HBP) via activation of the rate limiting enzyme, glutamine-fructose 6-phosphate amidotransferase 1 (GFAT1). Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 180-229 33765582-2 2021 The levels of protein O-GlcNAcylation are determined by flux of the hexosamine biosynthetic pathway (HBP), which is a branch of glycolysis, and are directly controlled by a pair of enzymes: O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). Hexosamines 68-78 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 190-210 33765582-2 2021 The levels of protein O-GlcNAcylation are determined by flux of the hexosamine biosynthetic pathway (HBP), which is a branch of glycolysis, and are directly controlled by a pair of enzymes: O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). Hexosamines 68-78 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 212-215 33765582-2 2021 The levels of protein O-GlcNAcylation are determined by flux of the hexosamine biosynthetic pathway (HBP), which is a branch of glycolysis, and are directly controlled by a pair of enzymes: O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). Hexosamines 68-78 O-GlcNAcase Mus musculus 221-232 33765582-2 2021 The levels of protein O-GlcNAcylation are determined by flux of the hexosamine biosynthetic pathway (HBP), which is a branch of glycolysis, and are directly controlled by a pair of enzymes: O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). Hexosamines 68-78 O-GlcNAcase Mus musculus 234-237 34951587-2 2021 Previously, we demonstrated that PDA cells enhance glycosylation precursor biogenesis through the hexosamine biosynthetic pathway (HBP) via activation of the rate limiting enzyme, glutamine-fructose 6-phosphate amidotransferase 1 (GFAT1). Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 231-236 34923141-8 2022 siRNA-mediated knockdown of GFPT2 influenced the EMT marker vimentin and both cell growth and invasion in vitro and was accompanied by lowered metabolic flux through the hexosamine biosynthesis pathway (HBP). Hexosamines 170-180 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 28-33 34291417-6 2021 Subsequently, we demonstrated that FOXA2 is a direct transcriptional activator of the hexosamine biosynthetic pathway (HBP) rate-limiting enzyme GFPT1. Hexosamines 86-96 forkhead box A2 Homo sapiens 35-40 34650217-2 2021 Loss of phosphoenolpyruvate carboxykinase 1 (PCK1), the major rate-limiting enzyme of hepatic gluconeogenesis, increases hexosamine biosynthetic pathway (HBP)-mediated protein O-GlcNAcylation in hepatoma cell and promotes cell growth and proliferation. Hexosamines 121-131 phosphoenolpyruvate carboxykinase 1, cytosolic Mus musculus 8-43 34650217-2 2021 Loss of phosphoenolpyruvate carboxykinase 1 (PCK1), the major rate-limiting enzyme of hepatic gluconeogenesis, increases hexosamine biosynthetic pathway (HBP)-mediated protein O-GlcNAcylation in hepatoma cell and promotes cell growth and proliferation. Hexosamines 121-131 phosphoenolpyruvate carboxykinase 1, cytosolic Mus musculus 45-49 34844667-0 2021 Glutamine deprivation triggers NAGK-dependent hexosamine salvage. Hexosamines 46-56 N-acetylglucosamine kinase Homo sapiens 31-35 34844667-9 2021 Together, these data identify an important role for NAGK-dependent hexosamine salvage in supporting PDA tumor growth. Hexosamines 67-77 N-acetylglucosamine kinase Mus musculus 52-56 34912841-2 2021 GNPDA2 is an enzyme involved in the hexosamine biosynthesis pathway, which is known to be important for nutrient sensing in various organism. Hexosamines 36-46 glucosamine-6-phosphate deaminase 2 Homo sapiens 0-6 34291417-6 2021 Subsequently, we demonstrated that FOXA2 is a direct transcriptional activator of the hexosamine biosynthetic pathway (HBP) rate-limiting enzyme GFPT1. Hexosamines 86-96 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 145-150 34551297-3 2021 Here, we report that DOT1L protein stability is regulated by the extracellular glucose level through the hexosamine biosynthetic pathway (HBP). Hexosamines 105-115 DOT1 like histone lysine methyltransferase Homo sapiens 21-26 34270713-5 2021 Here we show that L-glutamine:D-fructose amidotransferase 1 (GFAT1) a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP) which produces uridine diphosphate-N-acetyl-beta-glucosamine (UDP-GlcNAc), a precursor for glycosylation, is required for the stability of PD-L1 protein. Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Sus scrofa 18-59 34270713-5 2021 Here we show that L-glutamine:D-fructose amidotransferase 1 (GFAT1) a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP) which produces uridine diphosphate-N-acetyl-beta-glucosamine (UDP-GlcNAc), a precursor for glycosylation, is required for the stability of PD-L1 protein. Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Sus scrofa 61-66 34270713-5 2021 Here we show that L-glutamine:D-fructose amidotransferase 1 (GFAT1) a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP) which produces uridine diphosphate-N-acetyl-beta-glucosamine (UDP-GlcNAc), a precursor for glycosylation, is required for the stability of PD-L1 protein. Hexosamines 98-108 CD274 molecule Sus scrofa 275-280 34505434-11 2021 As the final product of the hexosamine biosynthetic pathway (HBP), alteration in UDP-GlcNAc levels may regulate LAMTOR1 and metabolic regulatory genes downstream of HBP. Hexosamines 28-38 late endosomal/lysosomal adaptor, MAPK and MTOR activator 1 Mus musculus 112-119 34318710-0 2021 Paramyxovirus replication induces the Hexosamine Biosynthetic Pathway and Mesenchymal Transition via the IRE1a-XBP1s arm of the Unfolded Protein Response. Hexosamines 38-48 endoplasmic reticulum to nucleus signaling 1 Homo sapiens 105-110 35585241-7 2022 Mechanistically, Phgdh interacts with the glycolytic enzyme phosphofructokinase, and the loss of this interaction activates the hexosamine-sialic acid pathway, which provides precursors for protein glycosylation. Hexosamines 128-138 3-phosphoglycerate dehydrogenase Mus musculus 17-22 34445596-0 2021 Hexosamine Biosynthetic Pathway-Derived O-GlcNAcylation Is Critical for RANKL-Mediated Osteoclast Differentiation. Hexosamines 0-10 TNF superfamily member 11 Homo sapiens 72-77 34445596-1 2021 O-linked-N-acetylglucosaminylation (O-GlcNAcylation) performed by O-GlcNAc transferase (OGT) is a nutrient-responsive post-translational modification (PTM) via the hexosamine biosynthetic pathway (HBP). Hexosamines 164-174 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 66-86 34445596-1 2021 O-linked-N-acetylglucosaminylation (O-GlcNAcylation) performed by O-GlcNAc transferase (OGT) is a nutrient-responsive post-translational modification (PTM) via the hexosamine biosynthetic pathway (HBP). Hexosamines 164-174 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 88-91 34139004-0 2021 Glucose regulates expression of pro-inflammatory genes IL-1beta and IL-12 through a mechanism involving hexosamine biosynthesis pathway dependent regulation of alphaEcatenin. Hexosamines 104-114 interleukin 1 alpha Homo sapiens 55-63 34139004-4 2021 We also find an attenuation of glucose induced increase of alpha-E catenin when hexosamine biosynthesis pathway is inhibited either with glutamine depletion or with the drugs azaserine and tunicamycin. Hexosamines 80-90 catenin alpha 1 Homo sapiens 59-74 34139004-8 2021 Together this indicates that alpha-E catenin can sense the changes in glucose levels in macrophages via hexosamine biosynthesis pathway and also can modulate the glucose induced gene expression of inflammatory markers such as IL-1beta and IL-12. Hexosamines 104-114 catenin alpha 1 Homo sapiens 29-44 34439404-2 2021 GLUT2 is also a low KM transporter of the amino sugar, glucosamine (GlcN), which enters the hexosamine biosynthetic pathway (HBP) and provides substrate for glycosylation reactions. Hexosamines 92-102 solute carrier family 2 (facilitated glucose transporter), member 2 Mus musculus 0-5 35159258-0 2022 Characterization of Gfat1 (zeppelin) and Gfat2, Essential Paralogous Genes Which Encode the Enzymes That Catalyze the Rate-Limiting Step in the Hexosamine Biosynthetic Pathway in Drosophila melanogaster. Hexosamines 144-154 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 20-25 35229715-0 2022 GFPT2/GFAT2 and AMDHD2 act in tandem to control the hexosamine pathway. Hexosamines 52-62 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 0-5 35229715-0 2022 GFPT2/GFAT2 and AMDHD2 act in tandem to control the hexosamine pathway. Hexosamines 52-62 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 6-11 35229715-0 2022 GFPT2/GFAT2 and AMDHD2 act in tandem to control the hexosamine pathway. Hexosamines 52-62 amidohydrolase domain containing 2 Homo sapiens 16-22 35149670-3 2022 In addition, YAP can activate glucose metabolism by activating the hexosamine biosynthesis pathway (HBP) and glycolysis, and generate a large number of intermediates to promote tumor proliferation. Hexosamines 67-77 Yes1 associated transcriptional regulator Homo sapiens 13-16 35159258-0 2022 Characterization of Gfat1 (zeppelin) and Gfat2, Essential Paralogous Genes Which Encode the Enzymes That Catalyze the Rate-Limiting Step in the Hexosamine Biosynthetic Pathway in Drosophila melanogaster. Hexosamines 144-154 zep Drosophila melanogaster 27-35 35159258-0 2022 Characterization of Gfat1 (zeppelin) and Gfat2, Essential Paralogous Genes Which Encode the Enzymes That Catalyze the Rate-Limiting Step in the Hexosamine Biosynthetic Pathway in Drosophila melanogaster. Hexosamines 144-154 Glutamine:fructose-6-phosphate aminotransferase 2 Drosophila melanogaster 41-46 35159258-2 2022 We show here that zep encodes Gfat1 (Glutamine: Fructose-6-Phosphate Aminotransferase 1; CG12449), the enzyme that catalyzes the rate-limiting step in the hexosamine biosynthesis pathway (HBP). Hexosamines 155-165 zep Drosophila melanogaster 18-21 35159258-2 2022 We show here that zep encodes Gfat1 (Glutamine: Fructose-6-Phosphate Aminotransferase 1; CG12449), the enzyme that catalyzes the rate-limiting step in the hexosamine biosynthesis pathway (HBP). Hexosamines 155-165 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 30-35 35159258-2 2022 We show here that zep encodes Gfat1 (Glutamine: Fructose-6-Phosphate Aminotransferase 1; CG12449), the enzyme that catalyzes the rate-limiting step in the hexosamine biosynthesis pathway (HBP). Hexosamines 155-165 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 37-87 35159258-2 2022 We show here that zep encodes Gfat1 (Glutamine: Fructose-6-Phosphate Aminotransferase 1; CG12449), the enzyme that catalyzes the rate-limiting step in the hexosamine biosynthesis pathway (HBP). Hexosamines 155-165 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 89-96 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 Kirsten rat sarcoma viral oncogene homolog Mus musculus 43-47 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 serine/threonine kinase 11 Mus musculus 48-52 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 134-179 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 181-186 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 KRAS proto-oncogene, GTPase Homo sapiens 304-308 35011738-2 2022 In a previous study, we showed that murine KRAS/LKB1 co-mutant tumors and human co-mutant cancer cells have an enhanced dependence on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme in the hexosamine biosynthesis pathway (HBP), which could be targeted to reduce survival of KRAS/LKB1 co-mutants. Hexosamines 219-229 serine/threonine kinase 11 Homo sapiens 309-313 2744219-2 1989 The low hexosamine content suggests that SP-hCG probably lacks O-linked sugar chains in the beta-subunit and incompletely formed N-linked sugar chains in the alpha- and beta-subunits. Hexosamines 8-18 chorionic gonadotropin subunit beta 5 Homo sapiens 44-47 3304279-11 1987 A trace of hexosamines, but no N-acetylneuraminic acid, was found in the ACPH allozymes. Hexosamines 11-22 prostatic acid phosphatase Drosophila virilis 73-77 3209106-1 1988 The concentration of hexosamine, a marker for mucin, was determined and related to the degree of cholesterol saturation and to the occurrence of cholesterol crystals in gall bladder bile of gall stone patients (n = 40) and gall stone free subjects (n = 25). Hexosamines 21-31 LOC100508689 Homo sapiens 46-51 3965464-5 1985 Carbohydrate determination revealed the sole detectable structural difference in the two antithrombins: levels of hexosamine, neutral sugars, and sialic acid in AT-III beta were all 25-30% less than in AT-III alpha. Hexosamines 114-124 serpin family C member 1 Homo sapiens 161-167 3718996-3 1986 The purified hog lecithin-cholesterol acyltransferase had an apparent molecular weight of 66 000 on SDS-polyacrylamide gel electrophoresis and HPLC and was found to contain about 21.4% (w/w) carbohydrate-hexose, 11.3%; hexosamine, 1.9%; sialic acid, 8.2%. Hexosamines 219-229 lecithin-cholesterol acyltransferase Homo sapiens 17-53 3882561-2 1985 The phenol-water-extracted LPS from B. gingivalis 381 was composed of 46% carbohydrate, 23% hexosamine, 18% fatty acid, and 5% protein. Hexosamines 92-102 toll-like receptor 4 Mus musculus 27-30 6626653-4 1983 Mucin released into the culture medium contained sialic acid and hexosamine in a molar ratio of approximately 0.5-0.8:1.0. Hexosamines 65-75 LOC100508689 Homo sapiens 0-5 6242442-1 1984 The control of glycosaminoglycan biosynthesis was investigated by studying the kinetic and regulatory properties of some enzymes involved in the formation of UDP-sugar precursors: UDP-N-acetylglucosamine 4"-epimerase, catalyzing the interconversion of hexosamine precursors and UDP-glucose dehydrogenase and UDP-glucose 4"-epimerase, utilizing UDP-glucose for the formation of uronic acid and galactose precursors. Hexosamines 252-262 UDP-galactose-4-epimerase Bos taurus 180-216 6847727-6 1983 Hexosamine, uronic acid, total GAGs, and dry weight were increased in TSK mouse skin when compared with normal mouse skin. Hexosamines 0-10 fibrillin 1 Mus musculus 70-73 6192143-6 1983 Each mucin species was found to have a distinctive hexose, hexosamine, sialic acid, and sulfate content as well as blood group substance activities. Hexosamines 59-69 LOC100508689 Homo sapiens 5-10 7248508-2 1981 A gradual decrease in the content of hexosamines in the prothrombin molecule was observed when vitamin K was excluded from the animals" diet. Hexosamines 37-48 coagulation factor II Rattus norvegicus 56-67 6179331-6 1982 Glycosaminoglycan analysis showed a less reduced content of hexosamine and uronic acid in the atrophic area per mm2 skin, but no differences in the concentrations. Hexosamines 60-70 PNMA family member 2 Homo sapiens 112-115 475761-5 1979 The latter enzyme preferentially attacked disaccharides carrying their sulphate ester group at C-4 of the hexosamine residue. Hexosamines 106-116 complement 4 Gallus gallus 95-98 7458421-5 1980 PP15 is a glycoprotein and contains 3.3% carbohydrates (hexoses 2.8%, hexosamines 0.3%, sialic acid 0.2%). Hexosamines 70-81 nuclear transport factor 2 Homo sapiens 0-4 7439624-1 1980 Hexosamine concentration in human pure pancreatic juice was determined during wash-out phase and secretin stimulation phase. Hexosamines 0-10 secretin Homo sapiens 97-105 7439624-3 1980 In suspected and established chronic pancreatitis (calcifying or non-calcifying), hexosamine concentration was significantly raised during both wash-out phase and secretin phase. Hexosamines 82-92 secretin Homo sapiens 163-171 7439624-4 1980 Hexosamine output was significantly raised in suspected chronic pancreatitis and non-calcifying chronic pancreatitis during both wash-out phase and secretin phase; in calcifying chronic pancreatitis, no significant increase in hexosamine output was noted during both phases because of decreased secretory volume. Hexosamines 0-10 secretin Homo sapiens 148-156 90521-6 1979 Treatment of the glycopeptide of Phe-Lys-Asn-Leu-Val-Thr-Pro-Arg-Thr-Pro-Pro-Pro-Ser with an alpha-N-acetylgalactosaminidase released N-acetylgalactosamine from the peptide, indicating that the hexosamine was covalently bonded to the peptide in an alpha linkage. Hexosamines 194-204 alpha-N-acetylgalactosaminidase Bos taurus 93-124 102578-6 1978 Placenta alpha-N-acetylglucosaminidase has an apparent molecular weight of 304 000 and contains 23.4% carbohydrate consisting of glucose, galactose, mannose, hexosamines and neuraminic acid. Hexosamines 158-169 N-acetyl-alpha-glucosaminidase Homo sapiens 9-38 1002698-6 1976 The third hexosamine-containing ganglioside belongs to a different series of glycolipids and was shown to have the structure of a major ganglioside of human brain: AcNeu(alpha2-3)Gal(beta1-3)GalNAc(beta1-4)[AcNeu(alpha2-3)]Gal(beta1-4)Glc(beta1-1)Cer. Hexosamines 10-20 UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 2 Homo sapiens 183-190 579296-9 1977 PP5 is a glycoprotein and contains 19.8% carbohydrates (hexoses 10.0%, hexosamine 4.4%, fucose 0.4%, sialic acid 5.0%). Hexosamines 71-81 tissue factor pathway inhibitor 2 Homo sapiens 0-3 902275-3 1977 The major components were identified as chondroitin-4-sulfates by identification of the hexosamine as 2-amino-2-deoxy-D-galactose, and by digestibility with hyaluronidases, chondroitinase AC, and chondro-4-sulfatase. Hexosamines 88-98 carbohydrate sulfotransferase 11 Mus musculus 40-53 192278-2 1977 A lipoprotein lipase species (mol wt 69 250) has been isolated from rat postheparin plasma, which differs from the low-molecular-weight species previously characterized in its amino acid composition and hexosamine content, and in its lower affinity for triglyceride-rich lipoprotein substrates. Hexosamines 203-213 lipoprotein lipase Homo sapiens 2-20 576386-8 1977 PP7 is a glycoprotein; its carbohydrate content amounts to 5.4% (hexoses 3.0%, Hexosamine 1.2%, Fucose 0.2%, sialic acid 1.0%). Hexosamines 79-89 protein phosphatase with EF-hand domain 1 Homo sapiens 0-3 1002698-6 1976 The third hexosamine-containing ganglioside belongs to a different series of glycolipids and was shown to have the structure of a major ganglioside of human brain: AcNeu(alpha2-3)Gal(beta1-3)GalNAc(beta1-4)[AcNeu(alpha2-3)]Gal(beta1-4)Glc(beta1-1)Cer. Hexosamines 10-20 eukaryotic translation elongation factor 1 beta 2 pseudogene 2 Homo sapiens 198-205 1002698-6 1976 The third hexosamine-containing ganglioside belongs to a different series of glycolipids and was shown to have the structure of a major ganglioside of human brain: AcNeu(alpha2-3)Gal(beta1-3)GalNAc(beta1-4)[AcNeu(alpha2-3)]Gal(beta1-4)Glc(beta1-1)Cer. Hexosamines 10-20 UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 2 Homo sapiens 227-234 1002698-6 1976 The third hexosamine-containing ganglioside belongs to a different series of glycolipids and was shown to have the structure of a major ganglioside of human brain: AcNeu(alpha2-3)Gal(beta1-3)GalNAc(beta1-4)[AcNeu(alpha2-3)]Gal(beta1-4)Glc(beta1-1)Cer. Hexosamines 10-20 UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 2 Homo sapiens 239-246 1247522-3 1976 Human, bovine, and horse antithrombin III are glycoproteins containing hexose, hexosamine, and neuraminic acid. Hexosamines 79-89 serpin family C member 1 Bos taurus 25-41 821601-6 1976 The major chemical differences included a higher hexosamine-fucose and hexosamine-sialic acid ratio in human mucin. Hexosamines 49-59 LOC100508689 Homo sapiens 109-114 821601-6 1976 The major chemical differences included a higher hexosamine-fucose and hexosamine-sialic acid ratio in human mucin. Hexosamines 71-81 LOC100508689 Homo sapiens 109-114 1182201-2 1975 1 mol of the apoferritin, the protein moiety of ferritin, contains 25 mol of hexose, 3 mol of hexosamine and 10 mol of fucose. Hexosamines 94-104 ferritin heavy chain Equus caballus 13-24 4974308-20 1969 Total carbohydrates, protein-bound hexoses, sialic acid, and hexosamine were decreased in the abnormal fibrinogen. Hexosamines 61-71 fibrinogen beta chain Homo sapiens 103-113 5357018-5 1969 Ovalbumin, with mannose/hexosamine ratio 5:4, lost 1.5moles of N-acetylglucosamine and more than 2moles of mannose after incubation with alpha-mannosidase and beta-N-acetylglucosaminidase respectively. Hexosamines 24-34 O-GlcNAcase Homo sapiens 159-187 5357018-7 1969 In ovalbumin glycopeptides with approximate mannose/hexosamine ratios 5:3 and 5:4, one and two N-acetylglucosamine residues respectively were accessible to the action of beta-N-acetylglucosaminidase. Hexosamines 52-62 O-GlcNAcase Homo sapiens 170-198 5357018-9 1969 A mixture of alpha-mannosidase and beta-N-acetylglucosaminidase, acting on an ovalbumin glycopeptide with mannose/hexosamine ratio 5:3.7, removed nearly 4moles of mannose and 1.5moles of N-acetylglucosamine. Hexosamines 114-124 O-GlcNAcase Homo sapiens 35-63 5635725-0 1968 Effect of insulin on the hexosamine content of alloxan diabetic rabbit vitreous humor. Hexosamines 25-35 insulin Oryctolagus cuniculus 10-17 4288076-0 1965 [Influence of hydrocortisone and ACTH on the serum level and urinary excretion of hexosamines and acid mucopolysaccharides. Hexosamines 82-93 proopiomelanocortin Homo sapiens 33-37 4288077-0 1965 [Influence of hydrocortisone and ACTH on the serum level and urinary excretion of hexosamines and acid mucopolysaccharides. Hexosamines 82-93 proopiomelanocortin Homo sapiens 33-37 16749136-13 1965 100% of the hexosamine was destroyed in submaxillary-gland mucin, 85% in pseudomyxomatous mucin and about 60% in the blood-group substances. Hexosamines 12-22 LOC100508689 Homo sapiens 59-64 16749136-13 1965 100% of the hexosamine was destroyed in submaxillary-gland mucin, 85% in pseudomyxomatous mucin and about 60% in the blood-group substances. Hexosamines 12-22 LOC100508689 Homo sapiens 90-95 13971656-0 1963 The linkage between hexosamine and amino acids in ovine submaxillary mucin. Hexosamines 20-30 LOC100508689 Homo sapiens 69-74 13572631-0 1958 [Possible relation between mucopolysaccharides (hexosamine) and protein part in elastin]. Hexosamines 48-58 elastin Homo sapiens 80-87 14861298-0 1951 Effect of ACTH and cortisone on serum hexosamine and gamma-globulin levels in acute disseminated lupus erythematosus. Hexosamines 38-48 proopiomelanocortin Homo sapiens 10-14 14814186-0 1951 The effect of adrenocorticotropic hormone and cortisone on the serum hexosamine level in acute disseminated lupus erythematosus. Hexosamines 69-79 proopiomelanocortin Homo sapiens 14-41 14900965-0 1951 Urinary excretion of hexosamines and glucuronic acid during treatment with ACTH. Hexosamines 21-32 proopiomelanocortin Homo sapiens 75-79 33744394-1 2021 Hexosamine biosynthetic (HBP) and PI3K/AKT/mTOR pathways are found to predominate the proliferation and survival of prostate cancer cells. Hexosamines 0-10 heme binding protein 1 Homo sapiens 25-28 33744394-1 2021 Hexosamine biosynthetic (HBP) and PI3K/AKT/mTOR pathways are found to predominate the proliferation and survival of prostate cancer cells. Hexosamines 0-10 mechanistic target of rapamycin kinase Homo sapiens 43-47 33846782-0 2021 Stomatin-like protein 2 induces metastasis by regulating the expression of a rate-limiting enzyme of the hexosamine biosynthetic pathway in pancreatic cancer. Hexosamines 105-115 stomatin like 2 Homo sapiens 0-23 33846782-9 2021 Microarray analysis indicated that this protein regulated the expression of glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway. Hexosamines 161-171 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 76-121 33846782-9 2021 Microarray analysis indicated that this protein regulated the expression of glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway. Hexosamines 161-171 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 123-128 33846782-11 2021 Cell motility and glucose uptake may be induced via the hexosamine biosynthesis pathway through the expression of GFPT2. Hexosamines 56-66 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 114-119 33600817-1 2021 Spliced X-box binding protein-1 (XBP1s) together with the hexosamine biosynthetic pathway (HBP) and O-GlcNAcylation forms the XBP1s/HBP/O-GlcNAc axis. Hexosamines 58-68 X-box binding protein 1 Mus musculus 8-31 33846315-0 2021 Protein kinase A controls the hexosamine pathway by tuning the feedback inhibition of GFAT-1. Hexosamines 30-40 Glutamine--fructose-6-phosphate transaminase (isomerizing) Caenorhabditis elegans 86-92 33916835-6 2021 The reduction of protein O-GlcNAcylation was associated with the development of insulin resistance, induced by overfeeding (i.e., defective insulin signaling and reduced mitochondrial activity), which promoted the dysregulation of the hexosamine biosynthetic pathway (HBP) flux, through the AMPK-driven reduction of GFAT1 activation. Hexosamines 235-245 insulin Homo sapiens 80-87 33916835-6 2021 The reduction of protein O-GlcNAcylation was associated with the development of insulin resistance, induced by overfeeding (i.e., defective insulin signaling and reduced mitochondrial activity), which promoted the dysregulation of the hexosamine biosynthetic pathway (HBP) flux, through the AMPK-driven reduction of GFAT1 activation. Hexosamines 235-245 protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens 291-295 33916835-6 2021 The reduction of protein O-GlcNAcylation was associated with the development of insulin resistance, induced by overfeeding (i.e., defective insulin signaling and reduced mitochondrial activity), which promoted the dysregulation of the hexosamine biosynthetic pathway (HBP) flux, through the AMPK-driven reduction of GFAT1 activation. Hexosamines 235-245 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 316-321 32937226-4 2021 UDP-GlcNAc is the end product of the hexosamine biosynthesis pathway, which is regulated primarily by glucose-6-phosphate-Glutamine:fructose-6-phosphate amidotransferase (GFAT). Hexosamines 37-47 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 171-175 33517899-1 2021 BACKGROUND: Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the first rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which plays a pivotal role in the progression of pancreatic ductal adenocarcinoma (PDAC). Hexosamines 107-117 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 12-57 33842535-1 2021 Background: Glucosamine 6-phosphate N-acetyltransferase (GNPNAT1) is a key enzyme in the hexosamine biosynthetic pathway (HBP), which functions as promoting proliferation in some tumors, yet its potential biological function and mechanism in lung adenocarcinoma (LUAD) have not been explored. Hexosamines 89-99 glucosamine-phosphate N-acetyltransferase 1 Homo sapiens 12-55 33842535-1 2021 Background: Glucosamine 6-phosphate N-acetyltransferase (GNPNAT1) is a key enzyme in the hexosamine biosynthetic pathway (HBP), which functions as promoting proliferation in some tumors, yet its potential biological function and mechanism in lung adenocarcinoma (LUAD) have not been explored. Hexosamines 89-99 glucosamine-phosphate N-acetyltransferase 1 Homo sapiens 57-64 33897873-3 2021 Yes-associated protein (YAP) is sustained by the hexosamine biosynthesis pathway (HBP)-dependent O-linked beta-N-acetylglucosaminylation (O-GlcNAcylation), and glutamine-fructose-6-phosphate transaminase (GFPT1), the rate-limiting enzyme of the HBP, can be phosphorylated and inhibited by adenylyl cyclase (ADCY)-mediated activation of protein kinase A (PKA). Hexosamines 49-59 Yes1 associated transcriptional regulator Homo sapiens 0-22 33897873-3 2021 Yes-associated protein (YAP) is sustained by the hexosamine biosynthesis pathway (HBP)-dependent O-linked beta-N-acetylglucosaminylation (O-GlcNAcylation), and glutamine-fructose-6-phosphate transaminase (GFPT1), the rate-limiting enzyme of the HBP, can be phosphorylated and inhibited by adenylyl cyclase (ADCY)-mediated activation of protein kinase A (PKA). Hexosamines 49-59 Yes1 associated transcriptional regulator Homo sapiens 24-27 33897873-3 2021 Yes-associated protein (YAP) is sustained by the hexosamine biosynthesis pathway (HBP)-dependent O-linked beta-N-acetylglucosaminylation (O-GlcNAcylation), and glutamine-fructose-6-phosphate transaminase (GFPT1), the rate-limiting enzyme of the HBP, can be phosphorylated and inhibited by adenylyl cyclase (ADCY)-mediated activation of protein kinase A (PKA). Hexosamines 49-59 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 205-210 33517899-1 2021 BACKGROUND: Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the first rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which plays a pivotal role in the progression of pancreatic ductal adenocarcinoma (PDAC). Hexosamines 107-117 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 59-64 33098688-0 2021 A missense mutation in a patient with developmental delay affects the activity and structure of the hexosamine biosynthetic pathway enzyme AGX1. Hexosamines 100-110 UDP-N-acetylglucosamine pyrophosphorylase 1 Homo sapiens 139-143 33535386-6 2021 An important metabolite that activates NRF1 is UDP-GlcNAc (uridine diphosphate N-acetylglucosamine), which is abundantly generated in many cancer cells from glucose and glutamine via the hexosamine pathway. Hexosamines 187-197 nuclear respiratory factor 1 Homo sapiens 39-43 33098688-3 2021 OGT relies on the hexosamine biosynthetic pathway (HBP) for provision of its UDP-GlcNAc donor. Hexosamines 18-28 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-3 33303629-2 2021 Substrates for cellular glycosylation are synthesized in the hexosamine biosynthetic pathway, which is controlled by the glutamine:fructose-6-phosphate amidotransfera-se (GFAT). Hexosamines 61-71 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 171-175 33391506-0 2021 Hexosamine biosynthetic pathway promotes the antiviral activity of SAMHD1 by enhancing O-GlcNAc transferase-mediated protein O-GlcNAcylation. Hexosamines 0-10 SAM and HD domain containing deoxynucleoside triphosphate triphosphohydrolase 1 Homo sapiens 67-73 33077497-7 2020 Given the localization of GLUT8 at a major metabolic hub (the late endosomal/lysosomal interface) and its regulated cleavage reaction, we evaluated TXNIP-mediated hexosamine homeostasis and speculate that GLUT8 may function as a sensory component of this reaction. Hexosamines 163-173 thioredoxin interacting protein Homo sapiens 148-153 32978282-6 2020 The effect of LPS on protein O-GlcNAcylation in macrophages was associated with an increased expression and activity of glutamine fructose 6-phosphate amidotransferase (GFAT), the enzyme that catalyzes the rate-limiting step of the hexosamine biosynthesis pathway. Hexosamines 232-242 glutamine fructose-6-phosphate transaminase 1 Mus musculus 120-167 33257855-0 2020 The hexosamine biosynthesis pathway is a targetable liability in KRAS/LKB1 mutant lung cancer. Hexosamines 4-14 Kirsten rat sarcoma viral oncogene homolog Mus musculus 65-69 33257855-0 2020 The hexosamine biosynthesis pathway is a targetable liability in KRAS/LKB1 mutant lung cancer. Hexosamines 4-14 serine/threonine kinase 11 Mus musculus 70-74 33257855-4 2020 Metabolomics and gene expression profiling pointed towards activation of the hexosamine biosynthesis pathway (HBP), another nitrogen-related metabolic pathway, in both mouse and human KRAS/LKB1 co-mutant tumours. Hexosamines 77-87 KRAS proto-oncogene, GTPase Homo sapiens 184-188 33257855-4 2020 Metabolomics and gene expression profiling pointed towards activation of the hexosamine biosynthesis pathway (HBP), another nitrogen-related metabolic pathway, in both mouse and human KRAS/LKB1 co-mutant tumours. Hexosamines 77-87 serine/threonine kinase 11 Homo sapiens 189-193 33329753-4 2020 OGT utilizes the end-product of the hexosamine biosynthetic pathway to modify proteins with O-linked beta-D-N-acetylglucosamine (O-GlcNAc). Hexosamines 36-46 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-3 32978282-6 2020 The effect of LPS on protein O-GlcNAcylation in macrophages was associated with an increased expression and activity of glutamine fructose 6-phosphate amidotransferase (GFAT), the enzyme that catalyzes the rate-limiting step of the hexosamine biosynthesis pathway. Hexosamines 232-242 glutamine fructose-6-phosphate transaminase 1 Mus musculus 169-173 33082260-6 2020 The experiments reveal distinct features in apicomplexan GNA1 enzymes that could be exploitable for the generation of selective inhibitors against these parasites, by targeting the hexosamine pathway. Hexosamines 181-191 glucosamine-phosphate N-acetyltransferase 1 Homo sapiens 57-61 33086728-0 2020 Involvement of NDPK-B in Glucose Metabolism-Mediated Endothelial Damage via Activation of the Hexosamine Biosynthesis Pathway and Suppression of O-GlcNAcase Activity. Hexosamines 94-104 NME/NM23 nucleoside diphosphate kinase 2 Homo sapiens 15-21 33086728-1 2020 Our previous studies identified that retinal endothelial damage caused by hyperglycemia or nucleoside diphosphate kinase-B (NDPK-B) deficiency is linked to elevation of angiopoietin-2 (Ang-2) and the activation of the hexosamine biosynthesis pathway (HBP). Hexosamines 218-228 NME/NM23 nucleoside diphosphate kinase 2 Homo sapiens 91-122 33086728-1 2020 Our previous studies identified that retinal endothelial damage caused by hyperglycemia or nucleoside diphosphate kinase-B (NDPK-B) deficiency is linked to elevation of angiopoietin-2 (Ang-2) and the activation of the hexosamine biosynthesis pathway (HBP). Hexosamines 218-228 NME/NM23 nucleoside diphosphate kinase 2 Homo sapiens 124-130 33278716-4 2020 UDP-GlcNAc is the end product of the hexosamine biosynthesis pathway, which is regulated primarily by glucose-6-phosphate-Glutamine:fructose-6-phosphate amidotransferase (GFAT). Hexosamines 37-47 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 171-175 31625393-5 2020 An alternative strategy involves starving OGT of its sugar substrate UDP-GlcNAc by targeting enzymes of the hexosamine biosynthetic pathway (HBP). Hexosamines 108-118 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 42-45 32691273-3 2020 The hexosamine biosynthesis pathway (HBP) is a small branch of glycolysis that provides a substrate for the OGT and serves as a nutrient sensor. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase (UDP-N-acetylglucosamine:polypeptide-N-acetylglucosaminyl transferase) Mus musculus 108-111 32905539-1 2020 As a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which is responsible for glycosylation, Glutamine fructose-6-phosphate amidotransferase 2 (GFPT2) is involved in human breast and lung tumorigenesis. Hexosamines 33-43 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 112-161 32905539-1 2020 As a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which is responsible for glycosylation, Glutamine fructose-6-phosphate amidotransferase 2 (GFPT2) is involved in human breast and lung tumorigenesis. Hexosamines 33-43 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 163-168 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 transforming growth factor beta 1 Homo sapiens 62-67 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 JunB proto-oncogene, AP-1 transcription factor subunit Homo sapiens 68-72 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 fibronectin 1 Homo sapiens 74-77 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 matrix metallopeptidase 9 Homo sapiens 78-82 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 164-209 32722537-10 2020 Of these, RSV induces formation of nucleosome-free regions on TGFB1/JUNB//FN1/MMP9 genes and the rate limiting enzyme in the hexosamine biosynthetic pathway (HBP), Glutamine-Fructose-6-Phosphate Transaminase 2 (GFPT2). Hexosamines 125-135 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 211-216 32606980-2 2020 Under physiological conditions, glucosamine-6-phosphate isomerase 1 (GNPDA1) promotes the conversion of the hexosamine system to the glycolytic pathway and may, therefore, affect energy metabolism. Hexosamines 108-118 glucosamine-6-phosphate deaminase 1 Homo sapiens 32-67 32628333-2 2020 As UDP-GlcNAc is the final product of the nutrient-sensing hexosamine signaling pathway, overexpression or knockout of ogt in mammals or invertebrate models influences cellular nutrient-response signals and increases susceptibility to chronic diseases of aging. Hexosamines 59-69 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 119-122 32606980-2 2020 Under physiological conditions, glucosamine-6-phosphate isomerase 1 (GNPDA1) promotes the conversion of the hexosamine system to the glycolytic pathway and may, therefore, affect energy metabolism. Hexosamines 108-118 glucosamine-6-phosphate deaminase 1 Homo sapiens 69-75 32579556-0 2020 The kinase Isr1 negatively regulates hexosamine biosynthesis in S. cerevisiae. Hexosamines 37-47 putative protein kinase ISR1 Saccharomyces cerevisiae S288C 11-15 32579556-2 2020 Here, we show that Isr1 acts as a negative regulator of the highly-conserved hexosamine biosynthesis pathway (HBP), which converts glucose into uridine diphosphate N-acetylglucosamine (UDP-GlcNAc), the carbohydrate precursor to protein glycosylation, GPI-anchor formation, and chitin biosynthesis. Hexosamines 77-87 putative protein kinase ISR1 Saccharomyces cerevisiae S288C 19-23 32019926-0 2020 Loss of GFAT-1 feedback regulation activates the hexosamine pathway that modulates protein homeostasis. Hexosamines 49-59 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 8-14 32235891-0 2020 Hexosamine pathway inhibition overcomes pancreatic cancer resistance to gemcitabine through unfolded protein response and EGFR-Akt pathway modulation. Hexosamines 0-10 epidermal growth factor receptor Homo sapiens 122-126 32235891-0 2020 Hexosamine pathway inhibition overcomes pancreatic cancer resistance to gemcitabine through unfolded protein response and EGFR-Akt pathway modulation. Hexosamines 0-10 AKT serine/threonine kinase 1 Homo sapiens 127-130 32300895-6 2020 RESULTS: CRC cells carrying distinct KRAS mutations exhibited differential metabolic remodelling, including differences in glycolysis, glutamine utilization and in amino acid, nucleotide and hexosamine metabolism. Hexosamines 191-201 KRAS proto-oncogene, GTPase Homo sapiens 37-41 32134139-0 2020 Infection-driven activation of transglutaminase 2 boosts glucose uptake and hexosamine biosynthesis in epithelial cells. Hexosamines 76-86 transglutaminase 2 Homo sapiens 31-49 32134139-5 2020 Furthermore, TG2 activation drives one specific glucose-dependent pathway in the host, i.e., hexosamine biosynthesis. Hexosamines 93-103 transglutaminase 2 Homo sapiens 13-16 32134139-8 2020 The correlation between TG2 transamidating activity and O-GlcNAcylation is disrupted in infected cells because host hexosamine biosynthesis is being exploited by the bacteria, in particular to assist their division. Hexosamines 116-126 transglutaminase 2 Homo sapiens 24-27 32197068-5 2020 Instead, glucose metabolized by the hexosamine biosynthetic pathway (HBP) allows nuclear localization of YAP1. Hexosamines 36-46 Yes1 associated transcriptional regulator Homo sapiens 105-109 32086012-1 2020 Activation of the hexosamine pathway (HP) through gain-of-function mutations in its rate-limiting enzyme glutamine fructose-6-phosphate amidotransferase (GFAT-1) ameliorates proteotoxicity and increases lifespan in Caenorhabditis elegans. Hexosamines 18-28 Glutamine--fructose-6-phosphate transaminase (isomerizing) Caenorhabditis elegans 154-160 32019926-1 2020 Glutamine fructose-6-phosphate amidotransferase (GFAT) is the key enzyme in the hexosamine pathway (HP) that produces uridine 5"-diphospho-N-acetyl-D-glucosamine (UDP-GlcNAc), linking energy metabolism with posttranslational protein glycosylation. Hexosamines 80-90 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 49-53 32039769-0 2020 Transcriptional Regulation of Transforming Growth Factor beta1 by Glucose: Investigation into the Role of the Hexosamine Biosynthesis Pathway. Hexosamines 110-120 transforming growth factor, beta 1 Rattus norvegicus 30-62 31656131-8 2020 Regarding the mechanism, we found that Poldip2 deficiency upregulates the hexosamine biosynthetic pathway and OGT (O-linked N-acetylglucosamine transferase)-mediated protein O-GlcNAcylation. Hexosamines 74-84 polymerase (DNA-directed), delta interacting protein 2 Mus musculus 39-46 31826652-7 2020 KLF2 inhibits endothelial glycolysis and allows for glucose intermediates to shuttle into the hexosamine- and glucuronic acid biosynthesis pathways, as measured using nuclear magnetic resonance analysis in combination with 13C-labeled glucose. Hexosamines 94-104 Kruppel like factor 2 Homo sapiens 0-4 31932432-3 2020 Here, we identify the requirements of hexosamine biosynthetic pathway (HBP) and O-GlcNAc transferase (OGT) for Drosophila homeodomain-interacting protein kinase (Hipk)-induced growth abnormalities in response to a high sugar diet. Hexosamines 38-48 Homeodomain interacting protein kinase Drosophila melanogaster 122-160 31932432-3 2020 Here, we identify the requirements of hexosamine biosynthetic pathway (HBP) and O-GlcNAc transferase (OGT) for Drosophila homeodomain-interacting protein kinase (Hipk)-induced growth abnormalities in response to a high sugar diet. Hexosamines 38-48 Homeodomain interacting protein kinase Drosophila melanogaster 162-166 31613799-0 2020 Targeting tumor-intrinsic hexosamine biosynthesis sensitizes pancreatic cancer to anti-PD1 therapy. Hexosamines 26-36 programmed cell death 1 Homo sapiens 87-90 31424945-6 2019 The mechanism study reveals that the substantial increase in synthesis of ECM proteins in EMT activates the inositol-requiring protein 1 (IRE1alpha)-X-box-binding protein 1 (XBP1) axis of the unfolded protein response (UPR) coupled to the hexosamine biosynthesis pathway (HBP). Hexosamines 239-249 endoplasmic reticulum to nucleus signaling 1 Homo sapiens 108-136 32615907-1 2020 Glutamine: fructose-6-phosphate amidotransferase (GFAT) enzymes catalyse the first committed step of the hexosamine biosynthesis pathway (HBP) using glutamine and fructose-6-phosphate to form glucosamine-6-phosphate (GlcN6P). Hexosamines 105-115 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 0-48 32615907-1 2020 Glutamine: fructose-6-phosphate amidotransferase (GFAT) enzymes catalyse the first committed step of the hexosamine biosynthesis pathway (HBP) using glutamine and fructose-6-phosphate to form glucosamine-6-phosphate (GlcN6P). Hexosamines 105-115 Glutamine:fructose-6-phosphate aminotransferase 1 Drosophila melanogaster 50-54 31685298-0 2019 Glutamine-fructose-6-phosphate transaminase 2 (GFPT2) promotes the EMT of serous ovarian cancer by activating the hexosamine biosynthetic pathway to increase the nuclear location of beta-catenin. Hexosamines 114-124 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 0-45 31685298-0 2019 Glutamine-fructose-6-phosphate transaminase 2 (GFPT2) promotes the EMT of serous ovarian cancer by activating the hexosamine biosynthetic pathway to increase the nuclear location of beta-catenin. Hexosamines 114-124 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 47-52 31685298-0 2019 Glutamine-fructose-6-phosphate transaminase 2 (GFPT2) promotes the EMT of serous ovarian cancer by activating the hexosamine biosynthetic pathway to increase the nuclear location of beta-catenin. Hexosamines 114-124 catenin beta 1 Homo sapiens 182-194 31391172-8 2019 Mechanistically, high glucose increased activation of the hexosamine pathway and nuclear factor-kappaB signaling to elevate TSP2 expression. Hexosamines 58-68 thrombospondin 2 Mus musculus 124-128 31424945-6 2019 The mechanism study reveals that the substantial increase in synthesis of ECM proteins in EMT activates the inositol-requiring protein 1 (IRE1alpha)-X-box-binding protein 1 (XBP1) axis of the unfolded protein response (UPR) coupled to the hexosamine biosynthesis pathway (HBP). Hexosamines 239-249 endoplasmic reticulum to nucleus signaling 1 Homo sapiens 138-147 31424945-6 2019 The mechanism study reveals that the substantial increase in synthesis of ECM proteins in EMT activates the inositol-requiring protein 1 (IRE1alpha)-X-box-binding protein 1 (XBP1) axis of the unfolded protein response (UPR) coupled to the hexosamine biosynthesis pathway (HBP). Hexosamines 239-249 X-box binding protein 1 Homo sapiens 149-172 31424945-6 2019 The mechanism study reveals that the substantial increase in synthesis of ECM proteins in EMT activates the inositol-requiring protein 1 (IRE1alpha)-X-box-binding protein 1 (XBP1) axis of the unfolded protein response (UPR) coupled to the hexosamine biosynthesis pathway (HBP). Hexosamines 239-249 X-box binding protein 1 Homo sapiens 174-178 31467530-1 2019 Background: Genome-wide association studies have found an obesity-related single-nucleotide polymorphism rs10938397 near the glucosamine-6-phosphate deaminase 2 gene (GNPDA2) encoding, an enzyme that catalyzes the deamination of the glucosamine-6-phosphate involved in the hexosamine signaling pathway, but the molecular mechanisms underlying the missing link between GNPDA2 and obesity remain elusive. Hexosamines 273-283 glucosamine-6-phosphate deaminase 2 Homo sapiens 125-160 31467530-1 2019 Background: Genome-wide association studies have found an obesity-related single-nucleotide polymorphism rs10938397 near the glucosamine-6-phosphate deaminase 2 gene (GNPDA2) encoding, an enzyme that catalyzes the deamination of the glucosamine-6-phosphate involved in the hexosamine signaling pathway, but the molecular mechanisms underlying the missing link between GNPDA2 and obesity remain elusive. Hexosamines 273-283 glucosamine-6-phosphate deaminase 2 Homo sapiens 167-173 30927711-3 2019 We found that levels of the glycolytic pathway enzymes hexokinase 2, pyruvate kinase M2, and lactate dehydrogenase A were significantly upregulated in normal human AECs upon hMPV infection, as well as levels of enzymes belonging to the hexosamine biosynthetic and glycosylation pathways. Hexosamines 236-246 hexokinase 2 Homo sapiens 55-67 31287806-3 2019 We demonstrate that the muscle-enriched transcription factor MondoA is glucose/fructose responsive in human skeletal myotubes and directs the transcription of genes in cellular metabolic pathways involved in diversion of energy substrate from a catabolic fate into nutrient storage pathways including fatty acid desaturation and elongation, triacylglyeride (TAG) biosynthesis, glycogen storage, and hexosamine biosynthesis. Hexosamines 399-409 MLX interacting protein Homo sapiens 61-67 30790354-0 2019 Inhibition of the hexosamine biosynthesis pathway potentiates cisplatin cytotoxicity by decreasing BiP expression in non-small-cell lung cancer cells. Hexosamines 18-28 heat shock protein family A (Hsp70) member 5 Homo sapiens 99-102 30927711-3 2019 We found that levels of the glycolytic pathway enzymes hexokinase 2, pyruvate kinase M2, and lactate dehydrogenase A were significantly upregulated in normal human AECs upon hMPV infection, as well as levels of enzymes belonging to the hexosamine biosynthetic and glycosylation pathways. Hexosamines 236-246 lactate dehydrogenase A Homo sapiens 93-116 31019204-6 2019 In addition, we demonstrated that a differentiation factor for the mammary epithelium, CCAAT/enhancer-binding protein B (CEBPB), was involved in Nic-induced hyper-O-GlcNAcylation via transcriptional regulation of the expression of the key enzyme glutamine: fructose-6-phosphate amidotransferase (GFAT) and thus increased the flux through the hexosamine biosynthetic pathway (HBP). Hexosamines 342-352 CCAAT enhancer binding protein beta Homo sapiens 87-119 31019204-6 2019 In addition, we demonstrated that a differentiation factor for the mammary epithelium, CCAAT/enhancer-binding protein B (CEBPB), was involved in Nic-induced hyper-O-GlcNAcylation via transcriptional regulation of the expression of the key enzyme glutamine: fructose-6-phosphate amidotransferase (GFAT) and thus increased the flux through the hexosamine biosynthetic pathway (HBP). Hexosamines 342-352 CCAAT enhancer binding protein beta Homo sapiens 121-126 30818760-2 2019 O-GlcNAc is a product of the hexosamine biosynthetic pathway, a side pathway of glucose metabolism. Hexosamines 29-39 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-8 30566828-14 2019 Lastly, we show that increasing the flux through the hexosamine biosynthesis pathway by exogenous glucosamine, known to disrupt protein glycosylation, also promoted CTRP12 cleavage. Hexosamines 53-63 C1q and TNF related 12 Homo sapiens 165-171 30635494-12 2019 CONCLUSIONS: GFPT1 encodes a widely expressed protein that controls the flux of glucose into the hexosamine-biosynthesis pathway that produces precursors for glycosylation of proteins. Hexosamines 97-107 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 13-18 29905857-1 2018 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway which yields precursors required for protein and lipid glycosylation. Hexosamines 89-99 glutamine fructose-6-phosphate transaminase 1 Mus musculus 0-45 30305725-6 2019 We also showed that IL-8 stimulation of colon and lung cancer cells-induced glucose uptake and expressions of glucose transporter 3 (GLUT3) and glucosamine fructose-6-phosphate aminotransferase (GFAT), a regulator of glucose flux to the hexosamine biosynthetic pathway, resulting in enhancement of protein O-GlcNAcylation. Hexosamines 237-247 C-X-C motif chemokine ligand 8 Homo sapiens 20-24 30305725-6 2019 We also showed that IL-8 stimulation of colon and lung cancer cells-induced glucose uptake and expressions of glucose transporter 3 (GLUT3) and glucosamine fructose-6-phosphate aminotransferase (GFAT), a regulator of glucose flux to the hexosamine biosynthetic pathway, resulting in enhancement of protein O-GlcNAcylation. Hexosamines 237-247 solute carrier family 2 member 3 Homo sapiens 110-131 30305725-6 2019 We also showed that IL-8 stimulation of colon and lung cancer cells-induced glucose uptake and expressions of glucose transporter 3 (GLUT3) and glucosamine fructose-6-phosphate aminotransferase (GFAT), a regulator of glucose flux to the hexosamine biosynthetic pathway, resulting in enhancement of protein O-GlcNAcylation. Hexosamines 237-247 solute carrier family 2 member 3 Homo sapiens 133-138 30305725-6 2019 We also showed that IL-8 stimulation of colon and lung cancer cells-induced glucose uptake and expressions of glucose transporter 3 (GLUT3) and glucosamine fructose-6-phosphate aminotransferase (GFAT), a regulator of glucose flux to the hexosamine biosynthetic pathway, resulting in enhancement of protein O-GlcNAcylation. Hexosamines 237-247 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 144-193 30305725-6 2019 We also showed that IL-8 stimulation of colon and lung cancer cells-induced glucose uptake and expressions of glucose transporter 3 (GLUT3) and glucosamine fructose-6-phosphate aminotransferase (GFAT), a regulator of glucose flux to the hexosamine biosynthetic pathway, resulting in enhancement of protein O-GlcNAcylation. Hexosamines 237-247 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 195-199 30805403-9 2019 In addition, expression of GFAT, a key regulatory enzyme in the hexosamine pathway, was significantly reduced following vitamin D administration. Hexosamines 64-74 glutamine fructose-6-phosphate transaminase 1 Rattus norvegicus 27-31 30788419-1 2019 We have uncovered that epithelial plasticity programs metabolically reprogram epithelial lung cells by increasing expression of genes (e.g., glutamine-fructose-6-phosphate transaminase 2 - GFPT2 and UDP-N-acetylglucosamine pyrophosphorylase 1 - UAP1) critical for the hexosamine biosynthetic pathway (HBP) and elevating global protein O-GlcNAcylation - a specific type of glycosylation. Hexosamines 268-278 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 141-186 30315445-0 2018 Hexosamine pathway regulates StarD7 expression in JEG-3 cells. Hexosamines 0-10 StAR related lipid transfer domain containing 7 Homo sapiens 29-35 30538676-1 2018 The hexosamine biosynthetic pathway (HBP) generates the substrate for the O-linked beta-N-acetylglucosamine (O-GlcNAc) modification of proteins. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 109-117 30130254-2 2018 Recent evidence suggests aberrant KRAS drives flux of glucose into the hexosamine biosynthetic pathway (HBP). Hexosamines 71-81 Kirsten rat sarcoma viral oncogene homolog Mus musculus 34-38 29909237-6 2018 Recent studies described a role for EC glycolysis and its main regulator 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 (PFKFB3) in the regulation of angiogenesis, but only few studies are related to the role of the hexosamine biosynthesis pathway during angiogenesis. Hexosamines 224-234 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 Homo sapiens 129-135 30049794-3 2018 High-throughput metabolomics analyses of cardiac tissue in Dcn -/- mice subjected to fasting revealed striking differences in the hexosamine biosynthetic pathway resulting in aberrant cardiac O-beta-N-acetylglycosylation as compared with WT mice. Hexosamines 130-140 decorin Mus musculus 59-62 30201609-0 2018 mTORC2 modulates the amplitude and duration of GFAT1 Ser-243 phosphorylation to maintain flux through the hexosamine pathway during starvation. Hexosamines 106-116 CREB regulated transcription coactivator 2 Mus musculus 0-6 30201609-0 2018 mTORC2 modulates the amplitude and duration of GFAT1 Ser-243 phosphorylation to maintain flux through the hexosamine pathway during starvation. Hexosamines 106-116 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 47-52 30201609-2 2018 Recently, we have shown that mTOR complex 2 (mTORC2) modulates the hexosamine biosynthetic pathway (HBP) by promoting the expression of the key enzyme of the HBP, glutamine:fructose-6-phosphate aminotransferase 1 (GFAT1). Hexosamines 67-77 mechanistic target of rapamycin kinase Homo sapiens 29-33 30201609-2 2018 Recently, we have shown that mTOR complex 2 (mTORC2) modulates the hexosamine biosynthetic pathway (HBP) by promoting the expression of the key enzyme of the HBP, glutamine:fructose-6-phosphate aminotransferase 1 (GFAT1). Hexosamines 67-77 CREB regulated transcription coactivator 2 Mus musculus 45-51 30201609-2 2018 Recently, we have shown that mTOR complex 2 (mTORC2) modulates the hexosamine biosynthetic pathway (HBP) by promoting the expression of the key enzyme of the HBP, glutamine:fructose-6-phosphate aminotransferase 1 (GFAT1). Hexosamines 67-77 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 163-212 30201609-2 2018 Recently, we have shown that mTOR complex 2 (mTORC2) modulates the hexosamine biosynthetic pathway (HBP) by promoting the expression of the key enzyme of the HBP, glutamine:fructose-6-phosphate aminotransferase 1 (GFAT1). Hexosamines 67-77 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 214-219 30356686-1 2018 The hexosamine biosynthetic pathway (HBP) and the phosphatidylinositol 3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) signaling pathway are considered as nutrient sensors that regulate several essential biological processes. Hexosamines 4-14 mechanistic target of rapamycin kinase Homo sapiens 122-126 30356686-2 2018 The hexosamine biosynthetic pathway produces uridine diphosphate N-acetylglucosamine (UDP-GlcNAc), the substrate for O-GlcNAc transferase (OGT), the enzyme that O-GlcNAcylates proteins on serine (Ser) and threonine (Thr) residues. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 117-137 30356686-2 2018 The hexosamine biosynthetic pathway produces uridine diphosphate N-acetylglucosamine (UDP-GlcNAc), the substrate for O-GlcNAc transferase (OGT), the enzyme that O-GlcNAcylates proteins on serine (Ser) and threonine (Thr) residues. Hexosamines 4-14 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 139-142 29905857-1 2018 Glutamine-fructose-6-phosphate transaminase 1 (GFPT1) is the rate-limiting enzyme in the hexosamine biosynthetic pathway which yields precursors required for protein and lipid glycosylation. Hexosamines 89-99 glutamine fructose-6-phosphate transaminase 1 Mus musculus 47-52 30237786-3 2018 Production of UDP-GlcNAc, the metabolic substrate for OGT, by the Hexosamine Biosynthetic Pathway (HBP) is controlled by the input of amino acids, fats, and nucleic acids, making O-GlcNAc a key nutrient-sensor for fluctuations in these macromolecules. Hexosamines 66-76 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 54-57 30237786-3 2018 Production of UDP-GlcNAc, the metabolic substrate for OGT, by the Hexosamine Biosynthetic Pathway (HBP) is controlled by the input of amino acids, fats, and nucleic acids, making O-GlcNAc a key nutrient-sensor for fluctuations in these macromolecules. Hexosamines 66-76 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 179-187 29967067-1 2018 N-acetylphosphoglucosamine mutase (AGM1) is a key component of the hexosamine biosynthetic pathway that produces UDP-GlcNAc, an essential precursor for a wide range of glycans in eukaryotes. Hexosamines 67-77 phosphoglucomutase 3 Homo sapiens 35-39 29706631-0 2018 O-GlcNAc elevation through activation of the hexosamine biosynthetic pathway enhances cancer cell chemoresistance. Hexosamines 45-55 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 0-8 29760045-6 2018 Among these adenocarcinoma genes correlated to glucose uptake, we focused on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), which codes for the glutamine-fructose-6-phosphate aminotransferase 2 (GFAT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which is responsible for glycosylation. Hexosamines 241-251 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 77-122 29760045-6 2018 Among these adenocarcinoma genes correlated to glucose uptake, we focused on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), which codes for the glutamine-fructose-6-phosphate aminotransferase 2 (GFAT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which is responsible for glycosylation. Hexosamines 241-251 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 124-129 29760045-6 2018 Among these adenocarcinoma genes correlated to glucose uptake, we focused on glutamine-fructose-6-phosphate transaminase 2 (GFPT2), which codes for the glutamine-fructose-6-phosphate aminotransferase 2 (GFAT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway (HBP), which is responsible for glycosylation. Hexosamines 241-251 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 152-201 29760045-9 2018 Our work provides new evidence of histology-specific tumor stromal properties associated with glucose uptake in NSCLC and identifies GFPT2 as a critical regulator of tumor metabolic reprogramming in adenocarcinoma.Significance: These findings implicate the hexosamine biosynthesis pathway as a potential new therapeutic target in lung adenocarcinoma. Hexosamines 257-267 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 133-138 29753740-4 2018 Up-regulation of glutamine: fructose 6-phosphate aminotransferase 1 (GFAT1), which belongs to the hexosamine biosynthesis pathway (HBP) that produces uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) to maintain glycoprotein, was validated by evaluation of mRNA and protein levels. Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 17-67 29753740-4 2018 Up-regulation of glutamine: fructose 6-phosphate aminotransferase 1 (GFAT1), which belongs to the hexosamine biosynthesis pathway (HBP) that produces uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) to maintain glycoprotein, was validated by evaluation of mRNA and protein levels. Hexosamines 98-108 glutamine--fructose-6-phosphate transaminase 1 Homo sapiens 69-74 29943541-5 2018 GFPT2 is a rate-limiting enzyme in the hexosamine pathway. Hexosamines 39-49 glutamine-fructose-6-phosphate transaminase 2 Homo sapiens 0-5 29515119-0 2018 Inhibition of the Hexosamine Biosynthetic Pathway by targeting PGM3 causes breast cancer growth arrest and apoptosis. Hexosamines 18-28 phosphoglucomutase 3 Mus musculus 63-67