PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 33631924-6 2021 Proteins of interest, including PRDX2, PRDX6, and Gelsolin, were differentially expressed in chemo-sensitive tumors versus chemo-resistant tissues and these observations were validated by immunohistochemistry in 92 formalin-fixed and paraffin-embedded (FFPE) specimens. Formaldehyde 215-223 peroxiredoxin 2 Homo sapiens 32-37 33901418-4 2021 Among these, the peroxiredoxins (PRDXs) are of interest due to a high reactivity with reactive oxygen species (ROS) through the functioning of the thioredoxin/thioredoxin reductase system. Reactive Oxygen Species 86-109 peroxiredoxin 2 Homo sapiens 17-31 33901418-4 2021 Among these, the peroxiredoxins (PRDXs) are of interest due to a high reactivity with reactive oxygen species (ROS) through the functioning of the thioredoxin/thioredoxin reductase system. Reactive Oxygen Species 111-114 peroxiredoxin 2 Homo sapiens 17-31 33869202-9 2021 Meanwhile, the global gene expressing in cumulus cells was also modulated by melatonin, especially the genes related to antioxidants (SOD1, GPX1, GPX3, GPX4, PRDX2, and PRDX5), lipid metabolism (FABP3, FABP5, ACACB, TECR, etc. Melatonin 77-86 peroxiredoxin 2 Homo sapiens 158-163 33905956-0 2021 Peroxiredoxin 2 oxidation reveals hydrogen peroxide generation within erythrocytes during high-dose vitamin C administration. Hydrogen Peroxide 34-51 peroxiredoxin 2 Homo sapiens 0-15 33905956-0 2021 Peroxiredoxin 2 oxidation reveals hydrogen peroxide generation within erythrocytes during high-dose vitamin C administration. Ascorbic Acid 100-109 peroxiredoxin 2 Homo sapiens 0-15 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Ascorbic Acid 17-26 peroxiredoxin 2 Homo sapiens 84-99 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Ascorbic Acid 17-26 peroxiredoxin 2 Homo sapiens 101-105 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Sulfhydryl Compounds 116-121 peroxiredoxin 2 Homo sapiens 84-99 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Sulfhydryl Compounds 116-121 peroxiredoxin 2 Homo sapiens 101-105 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Hydrogen Peroxide 168-172 peroxiredoxin 2 Homo sapiens 84-99 33905956-5 2021 Within 10 min of ascorbate addition, we detected increased oxidation of erythrocyte peroxiredoxin 2 (Prx2), a major thiol antioxidant protein and a sensitive marker of H2O2 production. Hydrogen Peroxide 168-172 peroxiredoxin 2 Homo sapiens 101-105 33905956-7 2021 The presence of extracellular catalase, removal of plasma or the addition of a metal chelator did not prevent ascorbate-induced Prx2 oxidation, suggesting that the H2O2 responsible for Prx2 oxidation was generated within the erythrocyte. Hydrogen Peroxide 164-168 peroxiredoxin 2 Homo sapiens 185-189 34030134-10 2021 Therefore, our results indicate that Prx II accelerated wound healing by protecting DMSCs from reactive oxygen species-induced apoptosis; however, Prx II did not regulate cell/growth factor secretion. Reactive Oxygen Species 95-118 peroxiredoxin 2 Homo sapiens 37-43 33947873-9 2021 We propose that plasma levels of PRDX2, CA-1, FARSB, MMP9, and PCSK9 may be associated with BD-II as potential biomarkers. bd-ii 92-97 peroxiredoxin 2 Homo sapiens 33-38 33791345-1 2021 Peroxiredoxin 2 (PRDX2), an inhibitor of reactive oxygen species (ROS), is potentially involved in the progression of atherosclerosis (AS). Reactive Oxygen Species 41-64 peroxiredoxin 2 Homo sapiens 0-15 33791345-1 2021 Peroxiredoxin 2 (PRDX2), an inhibitor of reactive oxygen species (ROS), is potentially involved in the progression of atherosclerosis (AS). Reactive Oxygen Species 41-64 peroxiredoxin 2 Homo sapiens 17-22 33791345-1 2021 Peroxiredoxin 2 (PRDX2), an inhibitor of reactive oxygen species (ROS), is potentially involved in the progression of atherosclerosis (AS). Reactive Oxygen Species 66-69 peroxiredoxin 2 Homo sapiens 0-15 33791345-1 2021 Peroxiredoxin 2 (PRDX2), an inhibitor of reactive oxygen species (ROS), is potentially involved in the progression of atherosclerosis (AS). Reactive Oxygen Species 66-69 peroxiredoxin 2 Homo sapiens 17-22 33791345-6 2021 The catalase, hydrogen peroxide (H2O2) scavenger, was used to further confirm that PRDX2-induced inhibitory effects might be mediated through reducing ROS levels. Hydrogen Peroxide 14-31 peroxiredoxin 2 Homo sapiens 83-88 33791345-6 2021 The catalase, hydrogen peroxide (H2O2) scavenger, was used to further confirm that PRDX2-induced inhibitory effects might be mediated through reducing ROS levels. Hydrogen Peroxide 33-37 peroxiredoxin 2 Homo sapiens 83-88 33791345-6 2021 The catalase, hydrogen peroxide (H2O2) scavenger, was used to further confirm that PRDX2-induced inhibitory effects might be mediated through reducing ROS levels. Reactive Oxygen Species 151-154 peroxiredoxin 2 Homo sapiens 83-88 33791345-13 2021 Our results suggest a protective role of PRDX2, as a scavenger of ROS, in AS progression through inhibiting the VSMC phenotype alteration and function via MAPK signaling pathway. Reactive Oxygen Species 66-69 peroxiredoxin 2 Homo sapiens 41-46 33631924-6 2021 Proteins of interest, including PRDX2, PRDX6, and Gelsolin, were differentially expressed in chemo-sensitive tumors versus chemo-resistant tissues and these observations were validated by immunohistochemistry in 92 formalin-fixed and paraffin-embedded (FFPE) specimens. Paraffin 234-242 peroxiredoxin 2 Homo sapiens 32-37 33535382-0 2021 Tyrosine Phosphorylation Modulates Peroxiredoxin-2 Activity in Normal and Diseased Red Cells. Tyrosine 0-8 peroxiredoxin 2 Homo sapiens 35-50 33672092-6 2021 We summarize the association findings between drug hypersensitivity reactions and variants in the genes that encode the enzymes related to the redox system such as enzymes related to glutathione: Glutathione S-transferase (GSTM1, GSTP, GSTT1) and glutathione peroxidase (GPX1), thioredoxin reductase (TXNRD1 and TXNRD2), superoxide dismutase (SOD1, SOD2, and SOD3), catalase (CAT), aldo-keto reductase (AKR), and the peroxiredoxin system (PRDX1, PRDX2, PRDX3, PRDX4, PRDX5, PRDX6). Glutathione 183-194 peroxiredoxin 2 Homo sapiens 446-451 33535382-3 2021 Prx2 is a typical, homodimeric, 2-Cys Prx that uses two cysteine residues to accomplish the task of detoxifying a vast range of organic peroxides, H2O2, and peroxynitrite. 2-cys 32-37 peroxiredoxin 2 Homo sapiens 0-4 33535382-3 2021 Prx2 is a typical, homodimeric, 2-Cys Prx that uses two cysteine residues to accomplish the task of detoxifying a vast range of organic peroxides, H2O2, and peroxynitrite. Cysteine 56-64 peroxiredoxin 2 Homo sapiens 0-4 33535382-3 2021 Prx2 is a typical, homodimeric, 2-Cys Prx that uses two cysteine residues to accomplish the task of detoxifying a vast range of organic peroxides, H2O2, and peroxynitrite. organic peroxides 128-145 peroxiredoxin 2 Homo sapiens 0-4 33535382-3 2021 Prx2 is a typical, homodimeric, 2-Cys Prx that uses two cysteine residues to accomplish the task of detoxifying a vast range of organic peroxides, H2O2, and peroxynitrite. Hydrogen Peroxide 147-151 peroxiredoxin 2 Homo sapiens 0-4 33535382-3 2021 Prx2 is a typical, homodimeric, 2-Cys Prx that uses two cysteine residues to accomplish the task of detoxifying a vast range of organic peroxides, H2O2, and peroxynitrite. Peroxynitrous Acid 157-170 peroxiredoxin 2 Homo sapiens 0-4 33535382-5 2021 Here, we first show that Prx2 is Tyrosine (Tyr) phosphorylated by Syk in red cells exposed to oxidation induced by diamide. Tyrosine 33-41 peroxiredoxin 2 Homo sapiens 25-29 33535382-5 2021 Here, we first show that Prx2 is Tyrosine (Tyr) phosphorylated by Syk in red cells exposed to oxidation induced by diamide. Tyrosine 33-36 peroxiredoxin 2 Homo sapiens 25-29 33535382-5 2021 Here, we first show that Prx2 is Tyrosine (Tyr) phosphorylated by Syk in red cells exposed to oxidation induced by diamide. Diamide 115-122 peroxiredoxin 2 Homo sapiens 25-29 33535382-6 2021 We identified Tyr-193 in both recombinant Prx2 and native Prx2 from red cells as a specific target of Syk. Tyrosine 14-17 peroxiredoxin 2 Homo sapiens 42-46 33535382-6 2021 We identified Tyr-193 in both recombinant Prx2 and native Prx2 from red cells as a specific target of Syk. Tyrosine 14-17 peroxiredoxin 2 Homo sapiens 58-62 33535382-7 2021 Bioinformatic analysis suggests that phosphorylation of Tyr-193 allows Prx2 conformational change that is more favorable for its peroxidase activity. Tyrosine 56-59 peroxiredoxin 2 Homo sapiens 71-75 33535382-8 2021 Indeed, Syk-induced Tyr phosphorylation of Prx2 enhances in vitro Prx2 activity, but also contributes to Prx2 translocation to the membrane of red cells exposed to diamide. Tyrosine 20-23 peroxiredoxin 2 Homo sapiens 43-47 33535382-8 2021 Indeed, Syk-induced Tyr phosphorylation of Prx2 enhances in vitro Prx2 activity, but also contributes to Prx2 translocation to the membrane of red cells exposed to diamide. Tyrosine 20-23 peroxiredoxin 2 Homo sapiens 66-70 33535382-8 2021 Indeed, Syk-induced Tyr phosphorylation of Prx2 enhances in vitro Prx2 activity, but also contributes to Prx2 translocation to the membrane of red cells exposed to diamide. Tyrosine 20-23 peroxiredoxin 2 Homo sapiens 66-70 33535382-8 2021 Indeed, Syk-induced Tyr phosphorylation of Prx2 enhances in vitro Prx2 activity, but also contributes to Prx2 translocation to the membrane of red cells exposed to diamide. Diamide 164-171 peroxiredoxin 2 Homo sapiens 43-47 33535382-9 2021 The biologic importance of Tyr-193 phospho-Prx2 is further supported by data on red cells from a mouse model of humanized sickle cell disease (SCD). Tyrosine 27-30 peroxiredoxin 2 Homo sapiens 43-47 33535382-11 2021 SCD red cells show Tyr-phosphorylated Prx2 bound to the membrane and increased Prx2 activity when compared to healthy erythrocytes. Tyrosine 19-22 peroxiredoxin 2 Homo sapiens 38-42 33256145-3 2020 Validation by nonreducing WB was performed for peroxiredoxin-2 (PRDX2) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) by using antibodies against the sulfinylated/sulfonylated cysteine of these proteins to better evaluate their redox-oligomeric states under OSA and/or in response to PAP therapy. Cysteine 182-190 peroxiredoxin 2 Homo sapiens 47-62 33341544-7 2021 Following inhibition of mitochondrial complex 1 with rotenone we observe elevated spikes of H2O2 in the cell periphery and complementary oxidation of mitochondrial peroxiredoxin 3 (PRX3) and cytosolic peroxiredoxin 2 (PRX2). Rotenone 53-61 peroxiredoxin 2 Homo sapiens 201-216 33341544-7 2021 Following inhibition of mitochondrial complex 1 with rotenone we observe elevated spikes of H2O2 in the cell periphery and complementary oxidation of mitochondrial peroxiredoxin 3 (PRX3) and cytosolic peroxiredoxin 2 (PRX2). Rotenone 53-61 peroxiredoxin 2 Homo sapiens 218-222 33332365-0 2020 Peroxiredoxin 2 is highly expressed in human oral squamous cell carcinoma cells and is upregulated by human papillomavirus oncoproteins and arecoline, promoting proliferation. Arecoline 140-149 peroxiredoxin 2 Homo sapiens 0-15 33332365-3 2020 This study aimed to investigate the effect of arecoline, an alkaloid of the betel nut, and human papillomavirus type 16 (HPV16) E6/E7 oncoproteins on induction of PRDX2 expression, and also the effects of PRDX2 overexpression in oral cell lines. Arecoline 46-55 peroxiredoxin 2 Homo sapiens 163-168 33332365-3 2020 This study aimed to investigate the effect of arecoline, an alkaloid of the betel nut, and human papillomavirus type 16 (HPV16) E6/E7 oncoproteins on induction of PRDX2 expression, and also the effects of PRDX2 overexpression in oral cell lines. Arecoline 46-55 peroxiredoxin 2 Homo sapiens 205-210 33332365-8 2020 PRDX2 expression levels tended to be higher in OSCC samples that were positive for HPV infection and had history of betel quid chewing. betel 116-121 peroxiredoxin 2 Homo sapiens 0-5 33332365-9 2020 Arecoline treatment in vitro at low concentrations and overexpression of HPV16 E6 or E6/E7 in oral cells induced PRDX2 overexpression. Arecoline 0-9 peroxiredoxin 2 Homo sapiens 113-118 33332365-11 2020 Upregulation of PRDX2 in oral cells was induced by arecoline and HPV16 oncoproteins and promoted growth of OSCC cells. Arecoline 51-60 peroxiredoxin 2 Homo sapiens 16-21 33256145-4 2020 The results indicated that the redox-oligomeric state of GAPDH and PRDX2 involving overoxidation by sulfinic/sulfonic acids were differentially modulated in OSA RBC, which might be compromising RBC homeostasis. sulfinic 100-108 peroxiredoxin 2 Homo sapiens 67-72 33256145-4 2020 The results indicated that the redox-oligomeric state of GAPDH and PRDX2 involving overoxidation by sulfinic/sulfonic acids were differentially modulated in OSA RBC, which might be compromising RBC homeostasis. Sulfonic Acids 109-123 peroxiredoxin 2 Homo sapiens 67-72 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. Selenium 44-52 peroxiredoxin 2 Homo sapiens 202-206 33182509-0 2020 Upregulation of Peroxiredoxin-2 in Well-Differentiated Pancreatic Neuroendocrine Tumors and Its Utility as a Biomarker for Predicting the Response to Everolimus. Everolimus 150-160 peroxiredoxin 2 Homo sapiens 16-31 33182509-11 2020 The results suggest that Prdx2 expression level and its activity may be a potential predictive biomarker for therapeutic response or resistance to everolimus in pNEN. Everolimus 147-157 peroxiredoxin 2 Homo sapiens 25-30 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. Selenium 44-52 peroxiredoxin 2 Homo sapiens 262-266 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. diselenium 85-95 peroxiredoxin 2 Homo sapiens 202-206 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. diselenium 85-95 peroxiredoxin 2 Homo sapiens 262-266 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. selenium disulfide 99-116 peroxiredoxin 2 Homo sapiens 202-206 32915529-4 2020 Herein, we describe for the first time that selenium compounds having intramolecular diselenide or selenenyl sulfide moieties can prevent the oxidative stress-induced eryptosis by exhibiting an unusual Prx2-like redox activity under conditions when the cellular Prx2 and CAT enzymes are inhibited. selenium disulfide 99-116 peroxiredoxin 2 Homo sapiens 262-266 33011678-2 2020 Humans have six peroxiredoxins, hPrxI-VI, out of which hPrxI and hPrxII belongs to the typical 2-Cys class sharing 90% conservation in their amino acid sequence including catalytic residues required to carry out their peroxidase and chaperone activities. 2-cys 95-100 peroxiredoxin 2 Homo sapiens 65-71 32639620-0 2020 Peroxiredoxin 2 deficiency reduces white adipogenesis due to the excessive ROS generation. Reactive Oxygen Species 75-78 peroxiredoxin 2 Homo sapiens 0-15 32639620-4 2020 Prx2 is present in the cytoplasm and cell membranes and demonstrates ROS scavenging activity. Reactive Oxygen Species 69-72 peroxiredoxin 2 Homo sapiens 0-4 32702382-0 2020 Intra-dimer cooperativity between the active site cysteines during the oxidation of peroxiredoxin 2. Cysteine 50-59 peroxiredoxin 2 Homo sapiens 84-99 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Hydrogen Peroxide 86-103 peroxiredoxin 2 Homo sapiens 0-15 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Hydrogen Peroxide 86-103 peroxiredoxin 2 Homo sapiens 17-22 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Cysteine 130-138 peroxiredoxin 2 Homo sapiens 0-15 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Cysteine 130-138 peroxiredoxin 2 Homo sapiens 17-22 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Sulfenic Acids 144-157 peroxiredoxin 2 Homo sapiens 0-15 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Sulfenic Acids 144-157 peroxiredoxin 2 Homo sapiens 17-22 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Cysteine 198-206 peroxiredoxin 2 Homo sapiens 0-15 32702382-1 2020 Peroxiredoxin 2 (Prdx2) and other typical 2-Cys Prdxs function as homodimers in which hydrogen peroxide oxidizes each active site cysteine to a sulfenic acid which then condenses with the resolving cysteine on the alternate chain. Cysteine 198-206 peroxiredoxin 2 Homo sapiens 17-22 32908147-2 2020 Peroxiredoxins (Prxs) have the ability to transfer H2O2-derived oxidizing equivalents to redox-regulated target proteins, thus facilitating the transmission of H2O2 signals. Hydrogen Peroxide 51-55 peroxiredoxin 2 Homo sapiens 0-14 32925922-9 2020 Comparison of these results with redox Western blots of Prx3 and Prx2 oxidation states demonstrated reasonable trend agreement at short times (<= 15 min) for a range of experimentally perturbed H2O2 generation rates. Hydrogen Peroxide 194-198 peroxiredoxin 2 Homo sapiens 65-69 32925922-10 2020 At longer times, substantial efflux of H2O2 from the mitochondria to the cytosol was evidenced by peroxiredoxin-2 (Prx2) oxidation, and Prx3 collapse was not observed. Hydrogen Peroxide 39-43 peroxiredoxin 2 Homo sapiens 98-113 32925922-10 2020 At longer times, substantial efflux of H2O2 from the mitochondria to the cytosol was evidenced by peroxiredoxin-2 (Prx2) oxidation, and Prx3 collapse was not observed. Hydrogen Peroxide 39-43 peroxiredoxin 2 Homo sapiens 115-119 32908147-2 2020 Peroxiredoxins (Prxs) have the ability to transfer H2O2-derived oxidizing equivalents to redox-regulated target proteins, thus facilitating the transmission of H2O2 signals. Hydrogen Peroxide 160-164 peroxiredoxin 2 Homo sapiens 0-14 32929349-0 2020 Celastrol induces ROS-mediated apoptosis via directly targeting peroxiredoxin-2 in gastric cancer cells. celastrol 0-9 peroxiredoxin 2 Homo sapiens 64-79 32929349-0 2020 Celastrol induces ROS-mediated apoptosis via directly targeting peroxiredoxin-2 in gastric cancer cells. Reactive Oxygen Species 18-21 peroxiredoxin 2 Homo sapiens 64-79 32929349-8 2020 Results: Our data show that Celastrol directly binds to an antioxidant enzyme, peroxiredoxin-2 (Prdx2), which then inhibits its enzyme activity at both molecular and cellular level. celastrol 28-37 peroxiredoxin 2 Homo sapiens 79-94 32929349-13 2020 Conclusion: Our studies have uncovered a potential Celastrol-interacting protein Prdx2 and a ROS-dependent mechanism of its action. celastrol 51-60 peroxiredoxin 2 Homo sapiens 81-86 32692719-7 2020 The P38 activator dehydrocorydaline chloride partially rescued the effects of sh-PRDX2 on the expression of proteins related to cell-cycle progression and autophagy. Dehydrocorydaline chloride 18-44 peroxiredoxin 2 Homo sapiens 81-86 31838004-8 2020 Peroxiredoxin 2 and catalase, in particular, played an important role in endogenous and exogenous H2O2 degradation, respectively. Water 98-102 peroxiredoxin 2 Homo sapiens 0-15 32002772-3 2020 Prdx2 reduces the production of reactive oxygen species and participates in regulating various signaling pathways in neurons by catalyzing hydrogen peroxide (H2O2), thereby protecting neurons against oxidative stress and an inflammatory injury. Oxygen 41-47 peroxiredoxin 2 Homo sapiens 0-5 31838004-9 2020 Accordingly, inhibitors of peroxiredoxin 2 and catalase significantly decreased erythrocyte HbNO concentration. hemoglobin A, glycosylated-nitric oxide complex 92-96 peroxiredoxin 2 Homo sapiens 27-42 32119756-13 2020 In addition, ESIMS of intact proteins shows that GSH can S-transthiolate S-homocysteinylated Grx-1, HHb and Prdx2. Glutathione 49-52 peroxiredoxin 2 Homo sapiens 108-113 32389179-4 2020 Treatment of COCs in culture with conoidin A (50microM), a 2-cys Prdx inhibitor, abolished epiregulin (EPI)-induced cumulus expansion. cocs 13-17 peroxiredoxin 2 Homo sapiens 65-69 32389179-4 2020 Treatment of COCs in culture with conoidin A (50microM), a 2-cys Prdx inhibitor, abolished epiregulin (EPI)-induced cumulus expansion. conoidin A 34-44 peroxiredoxin 2 Homo sapiens 65-69 32389179-4 2020 Treatment of COCs in culture with conoidin A (50microM), a 2-cys Prdx inhibitor, abolished epiregulin (EPI)-induced cumulus expansion. 2-cys 59-64 peroxiredoxin 2 Homo sapiens 65-69 32002772-3 2020 Prdx2 reduces the production of reactive oxygen species and participates in regulating various signaling pathways in neurons by catalyzing hydrogen peroxide (H2O2), thereby protecting neurons against oxidative stress and an inflammatory injury. Hydrogen Peroxide 139-156 peroxiredoxin 2 Homo sapiens 0-5 32002772-3 2020 Prdx2 reduces the production of reactive oxygen species and participates in regulating various signaling pathways in neurons by catalyzing hydrogen peroxide (H2O2), thereby protecting neurons against oxidative stress and an inflammatory injury. Hydrogen Peroxide 158-162 peroxiredoxin 2 Homo sapiens 0-5 32218363-3 2020 2-Cys peroxiredoxins, in particular Prx1 and Prx2, were detected as being S-nitrosated in multiple mammalian cells under a variety of conditions. 2-cys 0-5 peroxiredoxin 2 Homo sapiens 45-49 31629169-5 2020 In line with the emerging role of peroxiredoxins as H2O2 sensors and signal transmitters we observe an H2O2-dependent interaction between Mekk1 and the cytosolic peroxiredoxin of Drosophila, Jafrac1. Hydrogen Peroxide 103-107 peroxiredoxin 2 Homo sapiens 34-48 32062888-9 2020 Conclusion: Prx2 overexpression inhibits fibroblast proliferation and collagen synthesis induced by TGF-beta1 through inhibiting reactive oxygen species and activating the JNK and P38 pathways. Reactive Oxygen Species 129-152 peroxiredoxin 2 Homo sapiens 12-16 31629169-0 2020 A role for peroxiredoxins in H2O2- and MEKK-dependent activation of the p38 signaling pathway. Hydrogen Peroxide 29-33 peroxiredoxin 2 Homo sapiens 11-25 31629169-5 2020 In line with the emerging role of peroxiredoxins as H2O2 sensors and signal transmitters we observe an H2O2-dependent interaction between Mekk1 and the cytosolic peroxiredoxin of Drosophila, Jafrac1. Hydrogen Peroxide 52-56 peroxiredoxin 2 Homo sapiens 34-48 31629169-5 2020 In line with the emerging role of peroxiredoxins as H2O2 sensors and signal transmitters we observe an H2O2-dependent interaction between Mekk1 and the cytosolic peroxiredoxin of Drosophila, Jafrac1. Hydrogen Peroxide 52-56 peroxiredoxin 2 Homo sapiens 34-47 31629169-5 2020 In line with the emerging role of peroxiredoxins as H2O2 sensors and signal transmitters we observe an H2O2-dependent interaction between Mekk1 and the cytosolic peroxiredoxin of Drosophila, Jafrac1. Hydrogen Peroxide 103-107 peroxiredoxin 2 Homo sapiens 34-47 31629169-7 2020 In both organisms, H2O2 induces transient disulfide-linked conjugates between the MAP3K and a typical 2-Cys peroxiredoxin. Hydrogen Peroxide 19-23 peroxiredoxin 2 Homo sapiens 108-121 31629169-7 2020 In both organisms, H2O2 induces transient disulfide-linked conjugates between the MAP3K and a typical 2-Cys peroxiredoxin. Disulfides 42-51 peroxiredoxin 2 Homo sapiens 108-121 31629169-7 2020 In both organisms, H2O2 induces transient disulfide-linked conjugates between the MAP3K and a typical 2-Cys peroxiredoxin. 2-cys 102-107 peroxiredoxin 2 Homo sapiens 108-121 31629169-9 2020 Indeed, the depletion of cytosolic 2-Cys peroxiredoxins in human cells diminished H2O2-induced activation of p38 MAPK. 2-cys 35-40 peroxiredoxin 2 Homo sapiens 41-55 31536951-0 2020 PRDX2 protects against oxidative stress induced by H. pylori and promotes resistance to cisplatin in gastric cancer. Cisplatin 88-97 peroxiredoxin 2 Homo sapiens 0-5 31629169-9 2020 Indeed, the depletion of cytosolic 2-Cys peroxiredoxins in human cells diminished H2O2-induced activation of p38 MAPK. Hydrogen Peroxide 82-86 peroxiredoxin 2 Homo sapiens 41-55 31472963-0 2019 Differential oxidation processes of peroxiredoxin 2 dependent on the reaction with several peroxides in human red blood cells. Peroxides 91-100 peroxiredoxin 2 Homo sapiens 36-51 31536951-7 2020 The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXgamma assays. Reactive Oxygen Species 59-82 peroxiredoxin 2 Homo sapiens 17-22 31536951-7 2020 The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXgamma assays. Reactive Oxygen Species 84-87 peroxiredoxin 2 Homo sapiens 17-22 31536951-7 2020 The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXgamma assays. 2',7'-dichlorodihydrofluorescein diacetate 193-200 peroxiredoxin 2 Homo sapiens 17-22 31536951-7 2020 The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXgamma assays. 8-hydroxyguanine 202-214 peroxiredoxin 2 Homo sapiens 17-22 31536951-7 2020 The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXgamma assays. p-h2axgamma 220-231 peroxiredoxin 2 Homo sapiens 17-22 31536951-9 2020 The inhibition of PRDX2 significantly sensitized AGS and SNU-1 cells to cisplatin treatment. Cisplatin 72-81 peroxiredoxin 2 Homo sapiens 18-23 31580947-6 2019 In contrast, hPrxII was present predominantly as the disulfide in unstressed cells and readily converted to its hyperoxidized, peroxidase-inactive form even with mild oxidative stress. Disulfides 53-62 peroxiredoxin 2 Homo sapiens 13-19 31472963-1 2019 Peroxiredoxins (Prxs) detoxify hydrogen peroxide (H2O2), peroxynitrite, and various organic hydroperoxides. Hydrogen Peroxide 31-48 peroxiredoxin 2 Homo sapiens 0-14 31472963-1 2019 Peroxiredoxins (Prxs) detoxify hydrogen peroxide (H2O2), peroxynitrite, and various organic hydroperoxides. Hydrogen Peroxide 50-54 peroxiredoxin 2 Homo sapiens 0-14 31472963-1 2019 Peroxiredoxins (Prxs) detoxify hydrogen peroxide (H2O2), peroxynitrite, and various organic hydroperoxides. Peroxynitrous Acid 57-70 peroxiredoxin 2 Homo sapiens 0-14 31472963-1 2019 Peroxiredoxins (Prxs) detoxify hydrogen peroxide (H2O2), peroxynitrite, and various organic hydroperoxides. Hydrogen Peroxide 92-106 peroxiredoxin 2 Homo sapiens 0-14 31472963-3 2019 In the present study, we focused on the oxidative alteration of Prxs and demonstrated that, in human red blood cells (RBCs), peroxiredoxin 2 (Prx2) is readily reactive with H2O2, forming disulfide dimers, but was not easily hyperoxidized. Hydrogen Peroxide 173-177 peroxiredoxin 2 Homo sapiens 125-140 31472963-3 2019 In the present study, we focused on the oxidative alteration of Prxs and demonstrated that, in human red blood cells (RBCs), peroxiredoxin 2 (Prx2) is readily reactive with H2O2, forming disulfide dimers, but was not easily hyperoxidized. Hydrogen Peroxide 173-177 peroxiredoxin 2 Homo sapiens 142-146 31472963-3 2019 In the present study, we focused on the oxidative alteration of Prxs and demonstrated that, in human red blood cells (RBCs), peroxiredoxin 2 (Prx2) is readily reactive with H2O2, forming disulfide dimers, but was not easily hyperoxidized. Disulfides 187-196 peroxiredoxin 2 Homo sapiens 125-140 31472963-3 2019 In the present study, we focused on the oxidative alteration of Prxs and demonstrated that, in human red blood cells (RBCs), peroxiredoxin 2 (Prx2) is readily reactive with H2O2, forming disulfide dimers, but was not easily hyperoxidized. Disulfides 187-196 peroxiredoxin 2 Homo sapiens 142-146 31472963-4 2019 In contrast, Prx2 was highly sensitive to the relatively hydrophobic oxidants, such as tert-butyl hydroperoxide (t-BHP) and cumene hydroperoxide. tert-Butylhydroperoxide 87-111 peroxiredoxin 2 Homo sapiens 13-17 31472963-4 2019 In contrast, Prx2 was highly sensitive to the relatively hydrophobic oxidants, such as tert-butyl hydroperoxide (t-BHP) and cumene hydroperoxide. tert-Butylhydroperoxide 113-118 peroxiredoxin 2 Homo sapiens 13-17 31472963-4 2019 In contrast, Prx2 was highly sensitive to the relatively hydrophobic oxidants, such as tert-butyl hydroperoxide (t-BHP) and cumene hydroperoxide. cumene hydroperoxide 124-144 peroxiredoxin 2 Homo sapiens 13-17 31472963-5 2019 These peroxides hyperoxidized Prx2 into oxidatively damaged forms in RBCs. Peroxides 6-15 peroxiredoxin 2 Homo sapiens 30-34 31472963-6 2019 The t-BHP treatment formed hyperoxidized Prx2 in a dose-dependent manner. tert-Butylhydroperoxide 4-9 peroxiredoxin 2 Homo sapiens 41-45 31472963-7 2019 When organic hydroperoxide-treated RBC lysates were subjected to reverse-phase high performance liquid chromatography, two peaks derived from hyperoxidized Prx2 appeared along with the decrease of that corresponding to native Prx2. organic hydroperoxide 5-26 peroxiredoxin 2 Homo sapiens 156-160 31472963-7 2019 When organic hydroperoxide-treated RBC lysates were subjected to reverse-phase high performance liquid chromatography, two peaks derived from hyperoxidized Prx2 appeared along with the decrease of that corresponding to native Prx2. organic hydroperoxide 5-26 peroxiredoxin 2 Homo sapiens 226-230 31472963-8 2019 Liquid chromatography-tandem mass spectrometry analysis clearly showed that hyperoxidation to sulfonic acid (-SO3H) at Cys-51 residue was more advanced in a newfound hyperoxidized Prx2 compared to another hydrophobic hyperoxidized form previously identified. Sulfonic Acids 94-107 peroxiredoxin 2 Homo sapiens 180-184 31472963-8 2019 Liquid chromatography-tandem mass spectrometry analysis clearly showed that hyperoxidation to sulfonic acid (-SO3H) at Cys-51 residue was more advanced in a newfound hyperoxidized Prx2 compared to another hydrophobic hyperoxidized form previously identified. so3h 110-114 peroxiredoxin 2 Homo sapiens 180-184 31472963-8 2019 Liquid chromatography-tandem mass spectrometry analysis clearly showed that hyperoxidation to sulfonic acid (-SO3H) at Cys-51 residue was more advanced in a newfound hyperoxidized Prx2 compared to another hydrophobic hyperoxidized form previously identified. Cysteine 119-122 peroxiredoxin 2 Homo sapiens 180-184 31472963-9 2019 These results indicate that irreversible hyperoxidation of the Prx2 monomer in RBCs was easily caused by organic hydroperoxide but not H2O2. organic hydroperoxide 105-126 peroxiredoxin 2 Homo sapiens 63-67 31472963-9 2019 These results indicate that irreversible hyperoxidation of the Prx2 monomer in RBCs was easily caused by organic hydroperoxide but not H2O2. Hydrogen Peroxide 135-139 peroxiredoxin 2 Homo sapiens 63-67 31472963-10 2019 Thus, it is important to detect the hyperoxidation of Prx2 into sulfinic or sulfonic acid derivates of Cys-51 because hyperoxidized Prx2 is a potential marker of oxidative injury caused by organic hydroperoxides in human RBCs. sulfinic 64-72 peroxiredoxin 2 Homo sapiens 54-58 31472963-10 2019 Thus, it is important to detect the hyperoxidation of Prx2 into sulfinic or sulfonic acid derivates of Cys-51 because hyperoxidized Prx2 is a potential marker of oxidative injury caused by organic hydroperoxides in human RBCs. Cysteine 103-106 peroxiredoxin 2 Homo sapiens 54-58 31472963-10 2019 Thus, it is important to detect the hyperoxidation of Prx2 into sulfinic or sulfonic acid derivates of Cys-51 because hyperoxidized Prx2 is a potential marker of oxidative injury caused by organic hydroperoxides in human RBCs. Cysteine 103-106 peroxiredoxin 2 Homo sapiens 132-136 31472963-10 2019 Thus, it is important to detect the hyperoxidation of Prx2 into sulfinic or sulfonic acid derivates of Cys-51 because hyperoxidized Prx2 is a potential marker of oxidative injury caused by organic hydroperoxides in human RBCs. Hydrogen Peroxide 197-211 peroxiredoxin 2 Homo sapiens 54-58 31636515-8 2019 Meanwhile, using PRM, we identified three proteins that were closely related to abortion, B4DTF1 (highly similar to PSG1), P11464 (PSG1), and B4DF70 (highly similar to Prdx-2). Phlorhizin 123-129 peroxiredoxin 2 Homo sapiens 168-174 31472963-10 2019 Thus, it is important to detect the hyperoxidation of Prx2 into sulfinic or sulfonic acid derivates of Cys-51 because hyperoxidized Prx2 is a potential marker of oxidative injury caused by organic hydroperoxides in human RBCs. Hydrogen Peroxide 197-211 peroxiredoxin 2 Homo sapiens 132-136 31323313-2 2019 The first step in catalysis, the reduction of peroxide substrate, is fast, 107 - 108 M-1s-1 for human Prx2. Peroxides 46-54 peroxiredoxin 2 Homo sapiens 102-106 31323313-7 2019 We previously reported that treatment of human Prx2 with peroxynitrite results in tyrosine nitration, a post-translational modification on non-catalytic residues, yielding a more active peroxidase with higher resistance to hyperoxidation. Peroxynitrous Acid 57-70 peroxiredoxin 2 Homo sapiens 47-51 31323313-7 2019 We previously reported that treatment of human Prx2 with peroxynitrite results in tyrosine nitration, a post-translational modification on non-catalytic residues, yielding a more active peroxidase with higher resistance to hyperoxidation. Tyrosine 82-90 peroxiredoxin 2 Homo sapiens 47-51 31470801-1 2019 BACKGROUND: This study aims to investigate the expression of thioredoxin 1, peroxiredoxin 1 and peroxiredoxin 2 in bulky cervical squamous carcinoma and its predictive role in cisplatin-based neoadjuvant chemotherapy. Cisplatin 176-185 peroxiredoxin 2 Homo sapiens 96-111 30444369-8 2019 Two additional proteins, peroxiredoxin-2 and endophilin-1, are implicated in Abeta-ABAD complex-mediated toxicity. abeta-abad 77-87 peroxiredoxin 2 Homo sapiens 25-40 31197039-4 2019 Here, using in vitro biochemical assays with purified, recombinant protein, along with experiments in the adenocarcinoma cell line A431, we discovered that bicarbonate, which reacts with H2O2 to form the more reactive peroxymonocarbonate, potently facilitates H2O2-mediated PTP1B inactivation in the presence of thioredoxin reductase 1 (TrxR1), thioredoxin 1 (Trx1), and peroxiredoxin 2 (Prx2) together with NADPH. Bicarbonates 156-167 peroxiredoxin 2 Homo sapiens 371-386 31197039-4 2019 Here, using in vitro biochemical assays with purified, recombinant protein, along with experiments in the adenocarcinoma cell line A431, we discovered that bicarbonate, which reacts with H2O2 to form the more reactive peroxymonocarbonate, potently facilitates H2O2-mediated PTP1B inactivation in the presence of thioredoxin reductase 1 (TrxR1), thioredoxin 1 (Trx1), and peroxiredoxin 2 (Prx2) together with NADPH. Bicarbonates 156-167 peroxiredoxin 2 Homo sapiens 388-392 31197039-4 2019 Here, using in vitro biochemical assays with purified, recombinant protein, along with experiments in the adenocarcinoma cell line A431, we discovered that bicarbonate, which reacts with H2O2 to form the more reactive peroxymonocarbonate, potently facilitates H2O2-mediated PTP1B inactivation in the presence of thioredoxin reductase 1 (TrxR1), thioredoxin 1 (Trx1), and peroxiredoxin 2 (Prx2) together with NADPH. Hydrogen Peroxide 187-191 peroxiredoxin 2 Homo sapiens 371-386 31197039-4 2019 Here, using in vitro biochemical assays with purified, recombinant protein, along with experiments in the adenocarcinoma cell line A431, we discovered that bicarbonate, which reacts with H2O2 to form the more reactive peroxymonocarbonate, potently facilitates H2O2-mediated PTP1B inactivation in the presence of thioredoxin reductase 1 (TrxR1), thioredoxin 1 (Trx1), and peroxiredoxin 2 (Prx2) together with NADPH. Hydrogen Peroxide 187-191 peroxiredoxin 2 Homo sapiens 388-392 30611866-0 2019 Prx2 links ROS homeostasis to stemness of cancer stem cells. Reactive Oxygen Species 11-14 peroxiredoxin 2 Homo sapiens 0-4 30862546-8 2019 In contrast, Prx1 and Prx2 were present in neutrophils from human blood as disulfides, and PMA or S. aureus caused no further oxidation. Disulfides 75-85 peroxiredoxin 2 Homo sapiens 22-26 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Reactive Oxygen Species 37-60 peroxiredoxin 2 Homo sapiens 0-14 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Reactive Oxygen Species 37-60 peroxiredoxin 2 Homo sapiens 16-20 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Reactive Oxygen Species 62-65 peroxiredoxin 2 Homo sapiens 0-14 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Reactive Oxygen Species 62-65 peroxiredoxin 2 Homo sapiens 16-20 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Hydrogen Peroxide 110-114 peroxiredoxin 2 Homo sapiens 0-14 30879771-2 2019 Peroxiredoxin2 (Prx2) functions as a reactive oxygen species (ROS)-mediated signaling regulator that controls H2O2 in mammalian cells, and it is involved in the survival of various malignant tumors. Hydrogen Peroxide 110-114 peroxiredoxin 2 Homo sapiens 16-20 30879771-5 2019 Furthermore, an experiment using conoidinA, a Prx2 inhibitor, revealed that Prx2 inhibition can overcome 5-FU resistance in GC cells. Fluorouracil 105-109 peroxiredoxin 2 Homo sapiens 76-80 30988280-0 2019 S-nitrosylation of the Peroxiredoxin-2 promotes S-nitrosoglutathione-mediated lung cancer cells apoptosis via AMPK-SIRT1 pathway. Sulfur 0-1 peroxiredoxin 2 Homo sapiens 23-38 30988280-0 2019 S-nitrosylation of the Peroxiredoxin-2 promotes S-nitrosoglutathione-mediated lung cancer cells apoptosis via AMPK-SIRT1 pathway. S-Nitrosoglutathione 50-68 peroxiredoxin 2 Homo sapiens 23-38 30988280-3 2019 Peroxiredoxin-2 (Prdx2), an antioxidant enzyme, plays an important role in the protection of cancer cells from oxidative radical damage caused by hydrogen dioxide (H2O2), which is a potential target for cancer therapy. Hydrogen Peroxide 146-162 peroxiredoxin 2 Homo sapiens 0-15 30988280-3 2019 Peroxiredoxin-2 (Prdx2), an antioxidant enzyme, plays an important role in the protection of cancer cells from oxidative radical damage caused by hydrogen dioxide (H2O2), which is a potential target for cancer therapy. Hydrogen Peroxide 146-162 peroxiredoxin 2 Homo sapiens 17-22 30988280-3 2019 Peroxiredoxin-2 (Prdx2), an antioxidant enzyme, plays an important role in the protection of cancer cells from oxidative radical damage caused by hydrogen dioxide (H2O2), which is a potential target for cancer therapy. Hydrogen Peroxide 164-168 peroxiredoxin 2 Homo sapiens 0-15 30988280-3 2019 Peroxiredoxin-2 (Prdx2), an antioxidant enzyme, plays an important role in the protection of cancer cells from oxidative radical damage caused by hydrogen dioxide (H2O2), which is a potential target for cancer therapy. Hydrogen Peroxide 164-168 peroxiredoxin 2 Homo sapiens 17-22 30988280-4 2019 Our studies showed that, as an endogenous NO carrier, S-nitrosoglutathione (GSNO) induced apoptosis in lung cancer cells via nitrosylating Prdx2. S-Nitrosoglutathione 54-74 peroxiredoxin 2 Homo sapiens 139-144 30988280-4 2019 Our studies showed that, as an endogenous NO carrier, S-nitrosoglutathione (GSNO) induced apoptosis in lung cancer cells via nitrosylating Prdx2. S-Nitrosoglutathione 76-80 peroxiredoxin 2 Homo sapiens 139-144 30988280-5 2019 The nitrosylation of Prdx2 at Cys51 and Cys172 sites disrupted the formation of Prdx2 dimer and repressed the Prdx2 antioxidant activity, causing the accumulation of endogenous H2O2. Hydrogen Peroxide 177-181 peroxiredoxin 2 Homo sapiens 21-26 30959964-9 2019 Furthermore, we also reveal that ANXA2 inversely regulates the expression of the peroxidase, peroxiredoxin 2, in a reactive oxygen species dependent manner. Reactive Oxygen Species 115-138 peroxiredoxin 2 Homo sapiens 93-108 30605715-2 2019 Prx2 belongs to an evolutionarily ancient family of peroxidases that are involved in enzymatic degradation of a wide variety of organic and inorganic hydroperoxides. Hydrogen Peroxide 150-164 peroxiredoxin 2 Homo sapiens 0-4 30605715-7 2019 The radioprotective properties of exogenous Prx2 are stipulated by its broad substrate peroxidase activity, chaperone activity in the oxidized state, and are also due to the signal-regulatory function of Prx2 mediated by the regulation of the level of hydroperoxides as well as via interaction with redox-sensitive regulatory proteins. Hydrogen Peroxide 252-266 peroxiredoxin 2 Homo sapiens 44-48 30605715-7 2019 The radioprotective properties of exogenous Prx2 are stipulated by its broad substrate peroxidase activity, chaperone activity in the oxidized state, and are also due to the signal-regulatory function of Prx2 mediated by the regulation of the level of hydroperoxides as well as via interaction with redox-sensitive regulatory proteins. Hydrogen Peroxide 252-266 peroxiredoxin 2 Homo sapiens 204-208 31065010-5 2019 Torin, PP242, and a PKCzeta inhibitory peptide, but not rapamycin, prevented these biliverdin-induced responses and TLR4 inhibition. Biliverdine 83-93 peroxiredoxin 2 Homo sapiens 0-5 30611866-2 2019 Peroxiredoxin 2 (Prx2) is a redox regulatory protein that plays a key role in maintaining ROS homeostasis in the tumor microenvironment. Reactive Oxygen Species 90-93 peroxiredoxin 2 Homo sapiens 0-15 30611866-2 2019 Peroxiredoxin 2 (Prx2) is a redox regulatory protein that plays a key role in maintaining ROS homeostasis in the tumor microenvironment. Reactive Oxygen Species 90-93 peroxiredoxin 2 Homo sapiens 17-21 30611866-3 2019 However, despite the role of Prx2 in ROS-mediated signal transduction, the association of Prx2 with stemness via ROS in CSC has not been thoroughly investigated. Reactive Oxygen Species 113-116 peroxiredoxin 2 Homo sapiens 90-94 30611866-4 2019 In this study, we investigated the link between Prx2 and CSC stemness through regulation of ROS levels in hepatocellular carcinoma (HCC) cells. Reactive Oxygen Species 92-95 peroxiredoxin 2 Homo sapiens 48-52 30611866-6 2019 Prx2 knockdown decreased CSC sphere formation and expression of stem cell makers with increasing intracellular ROS levels. Reactive Oxygen Species 111-114 peroxiredoxin 2 Homo sapiens 0-4 30611866-7 2019 This effect was reversed by the ROS scavengers NAC and GSH in Prx2 knockdown cells. Reactive Oxygen Species 32-35 peroxiredoxin 2 Homo sapiens 62-66 30611866-7 2019 This effect was reversed by the ROS scavengers NAC and GSH in Prx2 knockdown cells. Glutathione 55-58 peroxiredoxin 2 Homo sapiens 62-66 30611866-10 2019 Taken together, our findings demonstrate that Prx2 links ROS homeostasis to CSC stemness; Prx2 is a mediator between ROS homeostasis and CSC stemness. Reactive Oxygen Species 57-60 peroxiredoxin 2 Homo sapiens 46-50 30611866-10 2019 Taken together, our findings demonstrate that Prx2 links ROS homeostasis to CSC stemness; Prx2 is a mediator between ROS homeostasis and CSC stemness. Reactive Oxygen Species 117-120 peroxiredoxin 2 Homo sapiens 90-94 30844732-2 2019 To this end, the interactions between the different hemoglobin (Hb) subunits and peroxiredoxin 2, which is a ubiquitous member of the antioxidant enzymes that also controls the cytokine-induced peroxide levels, were assessed. Peroxides 194-202 peroxiredoxin 2 Homo sapiens 81-96 30844732-6 2019 Adding Prx2 to hemoglobin A altered the second shell of iron embedded in hemoglobin A. Iron 56-60 peroxiredoxin 2 Homo sapiens 7-11 30284335-3 2019 Using recombinant human PRDX1 and PRDX2, the kinetics of oxidation and hyperoxidation with H2 O2 and peroxynitrite were followed by intrinsic fluorescence. Peroxynitrous Acid 101-114 peroxiredoxin 2 Homo sapiens 34-39 30284335-6 2019 As previously observed, a crucial difference between PRDX1 and PRDX2 is on the resolution step of the catalytic cycle, the rate of disulfide formation (11 s-1 for PRDX1, 0.2 s-1 for PRDX2, independent of the oxidant) which correlates with their different sensitivity to hyperoxidation. Disulfides 131-140 peroxiredoxin 2 Homo sapiens 63-68 30284335-6 2019 As previously observed, a crucial difference between PRDX1 and PRDX2 is on the resolution step of the catalytic cycle, the rate of disulfide formation (11 s-1 for PRDX1, 0.2 s-1 for PRDX2, independent of the oxidant) which correlates with their different sensitivity to hyperoxidation. Disulfides 131-140 peroxiredoxin 2 Homo sapiens 182-187 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Sulfenic Acids 29-42 peroxiredoxin 2 Homo sapiens 23-28 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Sulfhydryl Compounds 81-87 peroxiredoxin 2 Homo sapiens 23-28 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Disulfides 138-147 peroxiredoxin 2 Homo sapiens 23-28 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Cysteine 175-183 peroxiredoxin 2 Homo sapiens 23-28 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Disulfides 228-237 peroxiredoxin 2 Homo sapiens 23-28 30284335-8 2019 The longer lifetime of PRDX2 sulfenic acid allows it to react with other protein thiols to translate the signal via an intermediate mixed disulfide (involving its peroxidatic cysteine), whereas PRDX1 continues the cycle forming disulfide involving its resolving cysteine to function as a redox relay. Cysteine 262-270 peroxiredoxin 2 Homo sapiens 23-28 30187908-9 2018 The H2O2-induced reduction in sperm motility was reversed by recombinant PRDX2 or PRDX6 in a dose-dependent manner. Hydrogen Peroxide 4-8 peroxiredoxin 2 Homo sapiens 73-78 30521599-6 2018 Despite the importance of these enzymes, Prdx1 and Prdx2 may have their peroxidase activity inactivated by hyperoxidation at high hydroperoxide concentrations, which also promotes the molecular chaperone activity of these proteins. Hydrogen Peroxide 130-143 peroxiredoxin 2 Homo sapiens 51-56 30396550-8 2018 RESULT(S): In normozoospermic and asthenozoospermic groups, the addition of 150 mug/mL TAT-PRDX2 significantly reduced intracellular ROS and malondialdehyde levels and enhanced post-thaw sperm motility and viability when compared with the cryopreserved control of the respective groups but did not produce any significant protective effect in the oligoasthenozoospermic group. Reactive Oxygen Species 133-136 peroxiredoxin 2 Homo sapiens 91-96 30396550-8 2018 RESULT(S): In normozoospermic and asthenozoospermic groups, the addition of 150 mug/mL TAT-PRDX2 significantly reduced intracellular ROS and malondialdehyde levels and enhanced post-thaw sperm motility and viability when compared with the cryopreserved control of the respective groups but did not produce any significant protective effect in the oligoasthenozoospermic group. Malondialdehyde 141-156 peroxiredoxin 2 Homo sapiens 91-96 30396550-10 2018 Although the penetration rate and the penetration index were not markedly improved, TAT-PRDX2 supplementation obviously reduced spontaneous acrosome reaction and increased calcium ionophore-induced acrosome reaction in the normozoospermic and asthenozoospermic groups. Calcium 172-179 peroxiredoxin 2 Homo sapiens 88-93 30396550-11 2018 CONCLUSION(S): TAT-PRDX2 protein effectively exerted cryoprotective effects on spermatozoa by reducing intracellular ROS level and thereby improved post-thaw sperm quality and function, especially for asthenozoospermic samples. Reactive Oxygen Species 117-120 peroxiredoxin 2 Homo sapiens 19-24 30245403-4 2018 We found that DNMT3A-R882H/C mutations upregulated the expression of an antioxidant protein, pyroxiredoxin-2 (PRDX2), at the mRNA and protein levels with decreased accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 180-203 peroxiredoxin 2 Homo sapiens 110-115 30245403-4 2018 We found that DNMT3A-R882H/C mutations upregulated the expression of an antioxidant protein, pyroxiredoxin-2 (PRDX2), at the mRNA and protein levels with decreased accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 205-208 peroxiredoxin 2 Homo sapiens 110-115 30245403-5 2018 Augmentation of ROS generation by ROS accumulating agent or by knockdown of PRDX2 from myeloid cells effectively increased drug sensitivity and apoptosis as a consequence of reduced cell proliferation. Reactive Oxygen Species 16-19 peroxiredoxin 2 Homo sapiens 76-81 29627155-9 2018 Proteomic studies on the 20 micromol/L FTI-277 and 5 micromol/L alendronate +20 micromol/L FTI-277 treated cells revealed altered expression of different proteins including peroxiredoxin 2 (Prx2), glutathione S transferase 1 (GSTP1), Rho GTPase activating protein (RhoGAP), triosephosphate isomerase (TPI), and heat shock protein 60 (HSP60). Alendronate 64-75 peroxiredoxin 2 Homo sapiens 173-188 29627155-9 2018 Proteomic studies on the 20 micromol/L FTI-277 and 5 micromol/L alendronate +20 micromol/L FTI-277 treated cells revealed altered expression of different proteins including peroxiredoxin 2 (Prx2), glutathione S transferase 1 (GSTP1), Rho GTPase activating protein (RhoGAP), triosephosphate isomerase (TPI), and heat shock protein 60 (HSP60). Alendronate 64-75 peroxiredoxin 2 Homo sapiens 190-194 29574146-0 2018 A mathematical analysis of Prx2-STAT3 disulfide exchange rate constants for a bimolecular reaction mechanism. Disulfides 38-47 peroxiredoxin 2 Homo sapiens 27-31 29574146-1 2018 Appreciation of peroxiredoxins as the major regulators of H2O2 concentrations in human cells has led to a new understanding of redox signaling. Hydrogen Peroxide 58-62 peroxiredoxin 2 Homo sapiens 16-30 29574146-2 2018 In addition to their status as the primary reducers of H2O2 to water, the oxidized peroxiredoxin byproduct of this reaction has recently been shown capable of participation in H2O2-mediated signaling pathways through disulfide exchange reactions with the transcription factor STAT3. Hydrogen Peroxide 55-59 peroxiredoxin 2 Homo sapiens 83-96 29574146-2 2018 In addition to their status as the primary reducers of H2O2 to water, the oxidized peroxiredoxin byproduct of this reaction has recently been shown capable of participation in H2O2-mediated signaling pathways through disulfide exchange reactions with the transcription factor STAT3. Water 63-68 peroxiredoxin 2 Homo sapiens 83-96 29574146-2 2018 In addition to their status as the primary reducers of H2O2 to water, the oxidized peroxiredoxin byproduct of this reaction has recently been shown capable of participation in H2O2-mediated signaling pathways through disulfide exchange reactions with the transcription factor STAT3. Hydrogen Peroxide 176-180 peroxiredoxin 2 Homo sapiens 83-96 29574146-2 2018 In addition to their status as the primary reducers of H2O2 to water, the oxidized peroxiredoxin byproduct of this reaction has recently been shown capable of participation in H2O2-mediated signaling pathways through disulfide exchange reactions with the transcription factor STAT3. Disulfides 217-226 peroxiredoxin 2 Homo sapiens 83-96 29574146-4 2018 In this study, we used a kinetic model of oxidation and reduction reactions related to H2O2 metabolism in the cytosol of human cells to study the dynamics of peroxiredoxin-2 mediated oxidation of the redox-regulated transcription factor STAT3. Hydrogen Peroxide 87-91 peroxiredoxin 2 Homo sapiens 158-173 29574146-8 2018 This analysis suggests the existence of more complex mechanisms, potentially involving currently unknown protein-protein recognition partners, which facilitate disulfide exchange reactions between peroxiredoxin-2 and STAT3. Disulfides 160-169 peroxiredoxin 2 Homo sapiens 197-212 30177619-6 2018 Peroxiredoxin II (Prx II) is a member of peroxiredoxin antioxidant enzyme family which considers as a regulator of ROS in cellular environments by modulating redox status to maintain CSC phenotype and stemness properties. Reactive Oxygen Species 115-118 peroxiredoxin 2 Homo sapiens 0-16 30177619-6 2018 Peroxiredoxin II (Prx II) is a member of peroxiredoxin antioxidant enzyme family which considers as a regulator of ROS in cellular environments by modulating redox status to maintain CSC phenotype and stemness properties. Reactive Oxygen Species 115-118 peroxiredoxin 2 Homo sapiens 18-24 30087344-4 2018 We report a fluorescent sensor based upon human peroxiredoxin-2, which acts as the natural indicator of small H2O2 fluctuations in human cells. Hydrogen Peroxide 110-114 peroxiredoxin 2 Homo sapiens 48-63 28348082-0 2017 Urate hydroperoxide oxidizes human peroxiredoxin 1 and peroxiredoxin 2. urate hydroperoxide 0-19 peroxiredoxin 2 Homo sapiens 55-70 29063293-0 2017 Two mTOR inhibitors, rapamycin and Torin 1, differentially regulate iron-induced generation of mitochondrial ROS. Iron 68-72 peroxiredoxin 2 Homo sapiens 35-40 29063293-0 2017 Two mTOR inhibitors, rapamycin and Torin 1, differentially regulate iron-induced generation of mitochondrial ROS. ros 109-112 peroxiredoxin 2 Homo sapiens 35-40 29063293-5 2017 Two mTOR inhibitors, rapamycin and Torin 1, had similar effects in cells exposed to a relatively low concentration of iron. Iron 118-122 peroxiredoxin 2 Homo sapiens 35-40 29063293-6 2017 At a higher concentration of iron, Torin 1, instead of rapamycin, could further aggravate iron-induced cytotoxicity, and mitochondrial ROS levels were significantly higher in Torin 1-treated cells. Iron 29-33 peroxiredoxin 2 Homo sapiens 35-40 29063293-6 2017 At a higher concentration of iron, Torin 1, instead of rapamycin, could further aggravate iron-induced cytotoxicity, and mitochondrial ROS levels were significantly higher in Torin 1-treated cells. Iron 29-33 peroxiredoxin 2 Homo sapiens 175-180 29063293-6 2017 At a higher concentration of iron, Torin 1, instead of rapamycin, could further aggravate iron-induced cytotoxicity, and mitochondrial ROS levels were significantly higher in Torin 1-treated cells. Iron 90-94 peroxiredoxin 2 Homo sapiens 35-40 29063293-6 2017 At a higher concentration of iron, Torin 1, instead of rapamycin, could further aggravate iron-induced cytotoxicity, and mitochondrial ROS levels were significantly higher in Torin 1-treated cells. ros 135-138 peroxiredoxin 2 Homo sapiens 175-180 29123070-2 2017 We find that perturbation of ribonucleotide reductase (RNR) in humans elevates reactive oxygen species (ROS) that are detected by peroxiredoxin 2 (PRDX2). Reactive Oxygen Species 79-102 peroxiredoxin 2 Homo sapiens 130-145 29123070-2 2017 We find that perturbation of ribonucleotide reductase (RNR) in humans elevates reactive oxygen species (ROS) that are detected by peroxiredoxin 2 (PRDX2). Reactive Oxygen Species 79-102 peroxiredoxin 2 Homo sapiens 147-152 29123070-2 2017 We find that perturbation of ribonucleotide reductase (RNR) in humans elevates reactive oxygen species (ROS) that are detected by peroxiredoxin 2 (PRDX2). Reactive Oxygen Species 104-107 peroxiredoxin 2 Homo sapiens 130-145 29123070-2 2017 We find that perturbation of ribonucleotide reductase (RNR) in humans elevates reactive oxygen species (ROS) that are detected by peroxiredoxin 2 (PRDX2). Reactive Oxygen Species 104-107 peroxiredoxin 2 Homo sapiens 147-152 29123070-3 2017 In the oligomeric state, PRDX2 forms a replisome-associated ROS sensor, which binds the fork accelerator TIMELESS when exposed to low levels of ROS. Reactive Oxygen Species 60-63 peroxiredoxin 2 Homo sapiens 25-30 29123070-3 2017 In the oligomeric state, PRDX2 forms a replisome-associated ROS sensor, which binds the fork accelerator TIMELESS when exposed to low levels of ROS. Reactive Oxygen Species 144-147 peroxiredoxin 2 Homo sapiens 25-30 29123070-4 2017 Elevated ROS levels generated by RNR attenuation disrupt oligomerized PRDX2 to smaller subunits, whose dissociation from chromatin enforces the displacement of TIMELESS from the replisome. Reactive Oxygen Species 9-12 peroxiredoxin 2 Homo sapiens 70-75 28698499-9 2017 Exposure to L-DOPA may result in hypoxia condition and further induction of ORP150 (150-kDa oxygen-regulated protein) with its concomitant cytoprotective effects but Edaravone seems to protect cells via direct induction of Peroxiredoxin-2 and inhibition of apoptosis. Levodopa 12-18 peroxiredoxin 2 Homo sapiens 223-238 28661480-1 2017 Peroxiredoxin (Prdx) 2 is an antioxidant protein that utilizes its redox-sensitive cysteine groups to reduce hydrogen peroxide molecules and protect cells against oxidative damage from reactive oxygen species (ROS). Cysteine 83-91 peroxiredoxin 2 Homo sapiens 0-22 28661480-1 2017 Peroxiredoxin (Prdx) 2 is an antioxidant protein that utilizes its redox-sensitive cysteine groups to reduce hydrogen peroxide molecules and protect cells against oxidative damage from reactive oxygen species (ROS). Hydrogen Peroxide 109-126 peroxiredoxin 2 Homo sapiens 0-22 28661480-1 2017 Peroxiredoxin (Prdx) 2 is an antioxidant protein that utilizes its redox-sensitive cysteine groups to reduce hydrogen peroxide molecules and protect cells against oxidative damage from reactive oxygen species (ROS). Reactive Oxygen Species 185-208 peroxiredoxin 2 Homo sapiens 0-22 28661480-1 2017 Peroxiredoxin (Prdx) 2 is an antioxidant protein that utilizes its redox-sensitive cysteine groups to reduce hydrogen peroxide molecules and protect cells against oxidative damage from reactive oxygen species (ROS). Reactive Oxygen Species 210-213 peroxiredoxin 2 Homo sapiens 0-22 28661480-5 2017 The reason for this may be an increase in the level of cellular ROS after knockdown of Prdx2, which may subsequently lead to an increase in the expression of phosphorylated p53 (p-p53) and p38-MAPK/p21. Reactive Oxygen Species 64-67 peroxiredoxin 2 Homo sapiens 87-92 28661480-6 2017 Prdx2 knockdown also impaired the fusion of BeWo cells induced by forskolin. Colforsin 66-75 peroxiredoxin 2 Homo sapiens 0-5 28434171-0 2017 Peroxidatic cysteine residue of peroxiredoxin 2 separated from human red blood cells treated by tert-butyl hydroperoxide is hyperoxidized into sulfinic and sulfonic acids. Cysteine 12-20 peroxiredoxin 2 Homo sapiens 32-47 28434171-0 2017 Peroxidatic cysteine residue of peroxiredoxin 2 separated from human red blood cells treated by tert-butyl hydroperoxide is hyperoxidized into sulfinic and sulfonic acids. tert-Butylhydroperoxide 96-120 peroxiredoxin 2 Homo sapiens 32-47 28434171-0 2017 Peroxidatic cysteine residue of peroxiredoxin 2 separated from human red blood cells treated by tert-butyl hydroperoxide is hyperoxidized into sulfinic and sulfonic acids. sulfinic 143-151 peroxiredoxin 2 Homo sapiens 32-47 28434171-0 2017 Peroxidatic cysteine residue of peroxiredoxin 2 separated from human red blood cells treated by tert-butyl hydroperoxide is hyperoxidized into sulfinic and sulfonic acids. Sulfonic Acids 156-170 peroxiredoxin 2 Homo sapiens 32-47 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). Cysteine 110-118 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). Cysteine 131-134 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). Sulfinic Acids 210-223 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). so2h 226-230 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). Sulfonic Acids 236-249 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). so3h 252-256 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). tert-Butylhydroperoxide 280-304 peroxiredoxin 2 Homo sapiens 48-52 28434171-4 2017 The LC-MS/MS analysis of the trypsin digests of Prx2 fractionated by reverse-phase HPLC demonstrated that the cysteine-51 residue (Cys-51) of the protein was modified with the hyperoxidative functional groups, sulfinic acid (-SO2H) and sulfonic acid (-SO3H), in RBCs treated with tert-butyl hydroperoxide (t-BHP). tert-Butylhydroperoxide 306-311 peroxiredoxin 2 Homo sapiens 48-52 28434171-5 2017 Furthermore, a selected ion monitoring (SIM) analysis quantitatively showed that sulfinic acid- and sulfonic acid-induced modifications in Prx2 Cys-51 were increased by the treatment with the oxidant. Sulfinic Acids 81-94 peroxiredoxin 2 Homo sapiens 139-143 28434171-5 2017 Furthermore, a selected ion monitoring (SIM) analysis quantitatively showed that sulfinic acid- and sulfonic acid-induced modifications in Prx2 Cys-51 were increased by the treatment with the oxidant. Sulfonic Acids 100-113 peroxiredoxin 2 Homo sapiens 139-143 28434171-5 2017 Furthermore, a selected ion monitoring (SIM) analysis quantitatively showed that sulfinic acid- and sulfonic acid-induced modifications in Prx2 Cys-51 were increased by the treatment with the oxidant. Cysteine 144-147 peroxiredoxin 2 Homo sapiens 139-143 28434171-6 2017 It was demonstrated that the peroxidatic cysteine of Prx2 separated using our HPLC system for oxidative monitoring was hyperoxidized into sulfinic acid and sulfonic acid in RBCs under an oxidative stress condition. Cysteine 41-49 peroxiredoxin 2 Homo sapiens 53-57 28434171-6 2017 It was demonstrated that the peroxidatic cysteine of Prx2 separated using our HPLC system for oxidative monitoring was hyperoxidized into sulfinic acid and sulfonic acid in RBCs under an oxidative stress condition. Sulfinic Acids 138-151 peroxiredoxin 2 Homo sapiens 53-57 28434171-6 2017 It was demonstrated that the peroxidatic cysteine of Prx2 separated using our HPLC system for oxidative monitoring was hyperoxidized into sulfinic acid and sulfonic acid in RBCs under an oxidative stress condition. Sulfonic Acids 156-169 peroxiredoxin 2 Homo sapiens 53-57 28427860-7 2017 Cells with low levels of Akt Ser-473 phosphorylation were more resistant to the cytotoxic effects of mTOR inhibition with Torin-2, but not KU-0063794. Serine 29-32 peroxiredoxin 2 Homo sapiens 122-127 28427860-8 2017 Exposure to Torin-2 and KU-0063794 both potently and rapidly inhibited phosphorylation of Akt Ser-473 and Thr-308, and 4E-BP1 T37/46 in cell lines that included basal and nontype subtypes. Serine 94-97 peroxiredoxin 2 Homo sapiens 12-17 28427860-8 2017 Exposure to Torin-2 and KU-0063794 both potently and rapidly inhibited phosphorylation of Akt Ser-473 and Thr-308, and 4E-BP1 T37/46 in cell lines that included basal and nontype subtypes. Threonine 106-109 peroxiredoxin 2 Homo sapiens 12-17 28823893-9 2017 Pharmacological inhibition of HDAC6 with specific inhibitor tubastatin A increased acetylation of Prx1 and Prx2, reduced ROS production and ameliorated dopaminergic neurotoxicity. tubastatin A 60-72 peroxiredoxin 2 Homo sapiens 107-111 28461233-5 2017 The redox state of peroxiredoxins (Prx1, Prx2 and Prx3) was markedly shifted to dimer 30min after treatment with 100muM 2-AAPA, an event preceding 2-AAPA-induced decrease in cell viability. 2-acetylamino-3-(4-(2-acetylamino-2-carboxyethylsulfanylthiocarbonylamino)phenylthiocarbamoylsulfanyl)propionic acid 120-126 peroxiredoxin 2 Homo sapiens 41-45 28461233-5 2017 The redox state of peroxiredoxins (Prx1, Prx2 and Prx3) was markedly shifted to dimer 30min after treatment with 100muM 2-AAPA, an event preceding 2-AAPA-induced decrease in cell viability. 2-acetylamino-3-(4-(2-acetylamino-2-carboxyethylsulfanylthiocarbonylamino)phenylthiocarbamoylsulfanyl)propionic acid 147-153 peroxiredoxin 2 Homo sapiens 41-45 28489720-10 2017 The increase of VEGFR2 might be related to the increase of peroxiredoxin 2 in response to excessive reactive oxygen species from ultraviolet exposure. Reactive Oxygen Species 100-123 peroxiredoxin 2 Homo sapiens 59-74 28659575-8 2017 Collectively, this study reveals a redox mechanism for regulating tankyrase activity and implicates PrxII as a targetable antioxidant enzyme in APC-mutation-positive colorectal cancer.2-Cys peroxiredoxin (Prx) enzymes are highly expressed in most cancers but how they promote cancer progression is unclear. 2-cys 184-189 peroxiredoxin 2 Homo sapiens 100-105 28348082-4 2017 The kinetics for the oxidation of the cytosolic 2-Cys Prx1 and Prx2 revealed that urate hydroperoxide oxidizes these enzymes at rates comparable with hydrogen peroxide. urate hydroperoxide 82-101 peroxiredoxin 2 Homo sapiens 63-67 28348082-6 2017 Kinetic and simulation data suggest that the oxidation of Prx2 by urate hydroperoxide occurs by a three-step mechanism, where the peroxide reversibly associates with the enzyme; then it oxidizes the peroxidatic cysteine, and finally, the rate-limiting disulfide bond is formed. urate hydroperoxide 66-85 peroxiredoxin 2 Homo sapiens 58-62 28348082-6 2017 Kinetic and simulation data suggest that the oxidation of Prx2 by urate hydroperoxide occurs by a three-step mechanism, where the peroxide reversibly associates with the enzyme; then it oxidizes the peroxidatic cysteine, and finally, the rate-limiting disulfide bond is formed. Peroxides 77-85 peroxiredoxin 2 Homo sapiens 58-62 28348082-6 2017 Kinetic and simulation data suggest that the oxidation of Prx2 by urate hydroperoxide occurs by a three-step mechanism, where the peroxide reversibly associates with the enzyme; then it oxidizes the peroxidatic cysteine, and finally, the rate-limiting disulfide bond is formed. Cysteine 211-219 peroxiredoxin 2 Homo sapiens 58-62 28348082-6 2017 Kinetic and simulation data suggest that the oxidation of Prx2 by urate hydroperoxide occurs by a three-step mechanism, where the peroxide reversibly associates with the enzyme; then it oxidizes the peroxidatic cysteine, and finally, the rate-limiting disulfide bond is formed. Disulfides 252-261 peroxiredoxin 2 Homo sapiens 58-62 28348082-7 2017 Of relevance, the disulfide bond formation was much slower in Prx2 (k3 = 0.31 s-1) than Prx1 (k3 = 14.9 s-1). Disulfides 18-27 peroxiredoxin 2 Homo sapiens 62-66 28348082-8 2017 In addition, Prx2 was more sensitive than Prx1 to hyperoxidation caused by both urate hydroperoxide and hydrogen peroxide. urate hydroperoxide 80-99 peroxiredoxin 2 Homo sapiens 13-17 28348082-8 2017 In addition, Prx2 was more sensitive than Prx1 to hyperoxidation caused by both urate hydroperoxide and hydrogen peroxide. Hydrogen Peroxide 104-121 peroxiredoxin 2 Homo sapiens 13-17 28348082-9 2017 Urate hydroperoxide oxidized Prx2 from intact erythrocytes to the same extent as hydrogen peroxide. urate hydroperoxide 0-19 peroxiredoxin 2 Homo sapiens 29-33 28348082-10 2017 Therefore, Prx1 and Prx2 are likely targets of urate hydroperoxide in cells. urate hydroperoxide 47-66 peroxiredoxin 2 Homo sapiens 20-24 28432271-6 2017 Our data also suggested that the PI3K/AKT signaling pathway links PRDX2 with 5-FU-induced apoptosis in colon cancer. Fluorouracil 77-81 peroxiredoxin 2 Homo sapiens 66-71 28432271-11 2017 Taken together, our study suggests that decreasing the expression of PRDX2 could be a promising strategy for increasing the sensitivity of colon cancer cells to 5-FU. Fluorouracil 161-165 peroxiredoxin 2 Homo sapiens 69-74 27821734-0 2016 Role of sulfiredoxin as a peroxiredoxin-2 denitrosylase in human iPSC-derived dopaminergic neurons. sulfiredoxin 8-20 peroxiredoxin 2 Homo sapiens 26-41 28392212-4 2017 Peroxiredoxin-2 was also affected during storage, with a progressive accumulation of disulfide-linked dimers and hetero-protein complexes in the cytosol and also in the membrane of stored RBC. Disulfides 85-94 peroxiredoxin 2 Homo sapiens 0-15 27864139-5 2017 Morning levels of overoxidized PRDX2 correlated with polysomnographic (PSG)-arousal index and metabolic parameters whereas the evening level of disulfide-linked dimer (associated with peroxidase activity of PRDX2) correlated with PSG parameters. Disulfides 144-153 peroxiredoxin 2 Homo sapiens 207-212 27864139-6 2017 After treatment, morning overoxidized multimer of PRDX2 negatively correlated with fasting glucose and dopamine levels. Glucose 91-98 peroxiredoxin 2 Homo sapiens 50-55 27864139-6 2017 After treatment, morning overoxidized multimer of PRDX2 negatively correlated with fasting glucose and dopamine levels. Dopamine 103-111 peroxiredoxin 2 Homo sapiens 50-55 27744069-7 2017 H2O2 generated during catechol crosslinking exhibited localized cytotoxicity in culture and upregulated the expression of an antioxidant enzyme, peroxiredoxin 2, in primary dermal and tendon fibroblasts. Hydrogen Peroxide 0-4 peroxiredoxin 2 Homo sapiens 145-160 27744069-7 2017 H2O2 generated during catechol crosslinking exhibited localized cytotoxicity in culture and upregulated the expression of an antioxidant enzyme, peroxiredoxin 2, in primary dermal and tendon fibroblasts. catechol 22-30 peroxiredoxin 2 Homo sapiens 145-160 27894099-5 2016 We demonstrated that knockdown of Prdx2 reduced the self-renewal and sphere formation and resulted in increased 5-FU-induced apoptosis in human colon CSCs. Fluorouracil 112-116 peroxiredoxin 2 Homo sapiens 34-39 28432271-0 2017 Knockdown of PRDX2 sensitizes colon cancer cells to 5-FU by suppressing the PI3K/AKT signaling pathway. Fluorouracil 52-56 peroxiredoxin 2 Homo sapiens 13-18 28432271-3 2017 Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Reactive Oxygen Species 55-58 peroxiredoxin 2 Homo sapiens 0-15 28432271-3 2017 Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Reactive Oxygen Species 55-58 peroxiredoxin 2 Homo sapiens 17-22 28432271-3 2017 Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Fluorouracil 142-146 peroxiredoxin 2 Homo sapiens 0-15 28432271-3 2017 Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Fluorouracil 142-146 peroxiredoxin 2 Homo sapiens 17-22 28432271-4 2017 Here, we depleted PRDX2 by PRDX2-shRNA-LV transduction in two colon cancer cell lines and found that in vitro PRDX2 knockdown facilitates cell death, and apoptosis in 5-FU-treated colon cancer cells. Fluorouracil 167-171 peroxiredoxin 2 Homo sapiens 18-23 28003121-0 2017 Silencing peroxiredoxin-2 sensitizes human colorectal cancer cells to ionizing radiation and oxaliplatin. Oxaliplatin 93-104 peroxiredoxin 2 Homo sapiens 10-25 28003121-6 2017 Constitutive and transient Prx2 silencing in CRC cells increase ROS levels, and most importantly, enhance in vitro radiation sensitivity. ros 64-67 peroxiredoxin 2 Homo sapiens 27-31 28003121-7 2017 In addition, we showed that administration of IR plus oxaliplatin in down regulated Prx2 HCT116 cells has higher citotoxic effect than in control cells. Oxaliplatin 54-65 peroxiredoxin 2 Homo sapiens 84-88 28095627-7 2017 Concomitantly, melatonin treatment upregulated gene expression related to fatty acid beta-oxidation (CPT1a, CPT1b, CPT2, and ACADS) and mitochondrial biogenesis (PGC-1alpha, TFAM, and PRDX2). Melatonin 15-24 peroxiredoxin 2 Homo sapiens 184-189 27677384-4 2016 Membrane binding of Prx2 in erythrocytes decreased when the cells were treated with H2O2, but studies with purified Prx2 and isolated ghosts showed that the interaction was independent of Prx2 redox state. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 20-24 27677384-7 2016 The increased membrane binding of Prx2 seen with increasing intracellular calcium was less sensitive to H2O2 or hemichrome, suggesting an alternative mode of binding. Calcium 74-81 peroxiredoxin 2 Homo sapiens 34-38 27677384-7 2016 The increased membrane binding of Prx2 seen with increasing intracellular calcium was less sensitive to H2O2 or hemichrome, suggesting an alternative mode of binding. Hydrogen Peroxide 104-108 peroxiredoxin 2 Homo sapiens 34-38 27821734-3 2016 Here, using in vitro and in vivo approaches, we identify a role and reaction mechanism of the reductase sulfiredoxin (Srxn1) as an enzyme that denitrosylates (thus removing -SNO) from Prx2 in an ATP-dependent manner. Adenosine Triphosphate 195-198 peroxiredoxin 2 Homo sapiens 184-188 26497580-4 2016 Torin, an ATP-competitive mTOR inhibitor, was found to have both cytotoxic and cytostatic effects on U-937, THP-1, and RPMI-8226 cells, but not on Jurkat or K-562 cells. Adenosine Triphosphate 10-13 peroxiredoxin 2 Homo sapiens 0-5 27350002-5 2016 It also caused some unique oxidative shifts, including for peroxiredoxin 2 (PRDX2), uroporphyrinogen decarboxylase (UROD), and thioredoxin (TXN), proteins reportedly affected by cellular reactive oxygen species production. Reactive Oxygen Species 187-210 peroxiredoxin 2 Homo sapiens 59-74 27350002-7 2016 Moreover, with H2O2, significant oxidative shifts were observed only in redox active proteins, like PRDX2, peroxiredoxin 1 (PRDX1), TXN, and glyceraldehyde 3-phosphate dehydrogenase (GAPDH). Hydrogen Peroxide 15-19 peroxiredoxin 2 Homo sapiens 100-105 27082744-0 2016 Role of peroxiredoxin 2 in H2O2-induced oxidative stress of primary Leydig cells. Hydrogen Peroxide 27-31 peroxiredoxin 2 Homo sapiens 8-23 27082744-3 2016 Peroxiredoxin 2 (Prdx2), a member of the peroxiredoxin family, is an antioxidant protein, the predominant function of which is to neutralize ROS. Reactive Oxygen Species 141-144 peroxiredoxin 2 Homo sapiens 0-15 27082744-3 2016 Peroxiredoxin 2 (Prdx2), a member of the peroxiredoxin family, is an antioxidant protein, the predominant function of which is to neutralize ROS. Reactive Oxygen Species 141-144 peroxiredoxin 2 Homo sapiens 17-22 27082744-3 2016 Peroxiredoxin 2 (Prdx2), a member of the peroxiredoxin family, is an antioxidant protein, the predominant function of which is to neutralize ROS. Reactive Oxygen Species 141-144 peroxiredoxin 2 Homo sapiens 41-54 27082744-9 2016 In addition, the expression of Prdx2 was decreased by H2O2 in a dose- and time-dependent manner, and this decrease may have been caused by the induction of its molecular structure transformation due to H2O2 elimination. Hydrogen Peroxide 54-58 peroxiredoxin 2 Homo sapiens 31-36 27082744-9 2016 In addition, the expression of Prdx2 was decreased by H2O2 in a dose- and time-dependent manner, and this decrease may have been caused by the induction of its molecular structure transformation due to H2O2 elimination. Hydrogen Peroxide 202-206 peroxiredoxin 2 Homo sapiens 31-36 27082744-10 2016 The above findings indicated that Prdx2 may prevent H2O2 accumulation in Leydig cells, and may be important in oxidative stress-induced apoptosis and decreased testosterone production. Hydrogen Peroxide 52-56 peroxiredoxin 2 Homo sapiens 34-39 27082744-10 2016 The above findings indicated that Prdx2 may prevent H2O2 accumulation in Leydig cells, and may be important in oxidative stress-induced apoptosis and decreased testosterone production. Testosterone 160-172 peroxiredoxin 2 Homo sapiens 34-39 26945066-0 2016 Oxidant-induced Interprotein Disulfide Formation in Cardiac Protein DJ-1 Occurs via an Interaction with Peroxiredoxin 2. Disulfides 29-38 peroxiredoxin 2 Homo sapiens 104-119 27266564-9 2016 SM-exposed individuals demonstrated expression of PRDX3 4.6231 (p = 0.000134), PRDX6 3.4964 (p = 0.001102), SRXN1 3.3719 (p < 0.0001) and PRDX2 2.7725-folds (p = 0.000383) higher than those of controls that reveal. Mustard Gas 0-2 peroxiredoxin 2 Homo sapiens 141-146 26585682-12 2016 CONCLUSIONS: This study shows that supplementation of TAT-peroxiredoxin 2 fusion protein in the sperm suspension from asthenozoospermic men effectively improved sperm motility and DNA integrity by reducing levels of reactive oxygen species. Reactive Oxygen Species 216-239 peroxiredoxin 2 Homo sapiens 58-73 27602166-5 2016 Because the role of PRDX2 in HCC has not yet been reported, it is of interest to explore how PRDX2 may affect reactive oxygen species (ROS)-mediated cell death in HCC cells. Reactive Oxygen Species 110-133 peroxiredoxin 2 Homo sapiens 93-98 27602166-5 2016 Because the role of PRDX2 in HCC has not yet been reported, it is of interest to explore how PRDX2 may affect reactive oxygen species (ROS)-mediated cell death in HCC cells. Reactive Oxygen Species 135-138 peroxiredoxin 2 Homo sapiens 93-98 27602166-6 2016 The present study analyzed the effects of PRDX2 knockdown or overexpression on hydrogen peroxide (H2O2)-induced cell death in HCC SMMC-7721 cells. Hydrogen Peroxide 79-96 peroxiredoxin 2 Homo sapiens 42-47 27602166-6 2016 The present study analyzed the effects of PRDX2 knockdown or overexpression on hydrogen peroxide (H2O2)-induced cell death in HCC SMMC-7721 cells. Hydrogen Peroxide 98-102 peroxiredoxin 2 Homo sapiens 42-47 27602166-8 2016 It was found that PRDX2 knockdown augmented H2O2-induced cell death in SMMC-7721 cells, whereas PRDX2 overexpression exhibited opposite effects. Hydrogen Peroxide 44-48 peroxiredoxin 2 Homo sapiens 18-23 27602166-8 2016 It was found that PRDX2 knockdown augmented H2O2-induced cell death in SMMC-7721 cells, whereas PRDX2 overexpression exhibited opposite effects. smmc 71-75 peroxiredoxin 2 Homo sapiens 18-23 27602166-10 2016 Further exploration confirmed PRDX2 knockdown led to enhanced ROS generation in response to H2O2. Reactive Oxygen Species 62-65 peroxiredoxin 2 Homo sapiens 30-35 27602166-10 2016 Further exploration confirmed PRDX2 knockdown led to enhanced ROS generation in response to H2O2. Hydrogen Peroxide 92-96 peroxiredoxin 2 Homo sapiens 30-35 27602166-11 2016 Taken together, the present study supports that PRDX2 serves a pro-tumorigenic role in HCC through, at least partially, limiting ROS-mediated apoptosis under oxidative stress. Reactive Oxygen Species 129-132 peroxiredoxin 2 Homo sapiens 48-53 26905788-7 2016 Measuring peroxiredoxin-2 (Prx-2) oxidation as evidence of increased H2O2, only piperlongumine treatment shows elevation and it is GSH independent. Hydrogen Peroxide 69-73 peroxiredoxin 2 Homo sapiens 10-25 26905788-7 2016 Measuring peroxiredoxin-2 (Prx-2) oxidation as evidence of increased H2O2, only piperlongumine treatment shows elevation and it is GSH independent. Hydrogen Peroxide 69-73 peroxiredoxin 2 Homo sapiens 27-32 26866938-5 2016 Downregulation of Prx II in Huh7 cells with treatment of siRNA reduced expression of EpCAM and CD133 as well as Sox2 in accordance with increased ROS and apoptosis, which were reversed in Huh7-hPrx II cells. ros 146-149 peroxiredoxin 2 Homo sapiens 18-24 27052304-2 2016 METHODS: In this study, a cellular OA model was generated by stimulating SW1353 cells with IL-1beta and a rabbit OA model was established by intra-articular injection of collagenase, followed by treatment with Torin 1 or 3-Methyladenine (3-MA). 3-methyladenine 221-236 peroxiredoxin 2 Homo sapiens 210-215 27052304-2 2016 METHODS: In this study, a cellular OA model was generated by stimulating SW1353 cells with IL-1beta and a rabbit OA model was established by intra-articular injection of collagenase, followed by treatment with Torin 1 or 3-Methyladenine (3-MA). 3-methyladenine 238-242 peroxiredoxin 2 Homo sapiens 210-215 26614766-1 2016 Mammalian 2-cysteine peroxiredoxins (Prxs) are susceptible to hyperoxidation by excess H2O2. Hydrogen Peroxide 87-91 peroxiredoxin 2 Homo sapiens 21-35 26614766-2 2016 The cytoplasmic family member Prx2 hyperoxidizes more readily than mitochondrial Prx3 due to slower dimerization of the sulfenic acid (SpOH) intermediate. Sulfenic Acids 120-133 peroxiredoxin 2 Homo sapiens 30-34 26614766-2 2016 The cytoplasmic family member Prx2 hyperoxidizes more readily than mitochondrial Prx3 due to slower dimerization of the sulfenic acid (SpOH) intermediate. spoh 135-139 peroxiredoxin 2 Homo sapiens 30-34 26614766-8 2016 For Prx2, increasing the H2O2 concentration resulted in complete hyperoxidation. Hydrogen Peroxide 25-29 peroxiredoxin 2 Homo sapiens 4-8 26614766-11 2016 Notably the species with one disulfide and one hyperoxidized active site was decameric for Prx2 and dimeric for Prx3. Disulfides 29-38 peroxiredoxin 2 Homo sapiens 91-95 26612102-0 2016 Structural changes upon peroxynitrite-mediated nitration of peroxiredoxin 2; nitrated Prx2 resembles its disulfide-oxidized form. Peroxynitrous Acid 24-37 peroxiredoxin 2 Homo sapiens 60-75 26612102-0 2016 Structural changes upon peroxynitrite-mediated nitration of peroxiredoxin 2; nitrated Prx2 resembles its disulfide-oxidized form. Peroxynitrous Acid 24-37 peroxiredoxin 2 Homo sapiens 86-90 26612102-0 2016 Structural changes upon peroxynitrite-mediated nitration of peroxiredoxin 2; nitrated Prx2 resembles its disulfide-oxidized form. Disulfides 105-114 peroxiredoxin 2 Homo sapiens 60-75 26612102-0 2016 Structural changes upon peroxynitrite-mediated nitration of peroxiredoxin 2; nitrated Prx2 resembles its disulfide-oxidized form. Disulfides 105-114 peroxiredoxin 2 Homo sapiens 86-90 26612102-1 2016 Peroxiredoxins are cys-based peroxidases that function in peroxide detoxification and H2O2-induced signaling. Cysteine 19-22 peroxiredoxin 2 Homo sapiens 0-14 26612102-1 2016 Peroxiredoxins are cys-based peroxidases that function in peroxide detoxification and H2O2-induced signaling. Peroxides 58-66 peroxiredoxin 2 Homo sapiens 0-14 26612102-1 2016 Peroxiredoxins are cys-based peroxidases that function in peroxide detoxification and H2O2-induced signaling. Hydrogen Peroxide 86-90 peroxiredoxin 2 Homo sapiens 0-14 26612102-2 2016 Human Prx2 is a typical 2-Cys Prx arranged as pentamers of head-to-tail homodimers. 2-cys 24-29 peroxiredoxin 2 Homo sapiens 6-10 26612102-5 2016 We have recently reported that nitration of Prx2, a post-translational modification on non-catalytic tyrosines, unexpectedly increases its peroxidase activity and resistance to overoxidation. Tyrosine 101-110 peroxiredoxin 2 Homo sapiens 44-48 26612102-8 2016 Our results show that the reduced nitrated Prx2 structurally resembles the disulfide-oxidized native form of the enzyme favoring a locally unfolded conformation that facilitates disulfide formation. Disulfides 75-84 peroxiredoxin 2 Homo sapiens 43-47 26612102-8 2016 Our results show that the reduced nitrated Prx2 structurally resembles the disulfide-oxidized native form of the enzyme favoring a locally unfolded conformation that facilitates disulfide formation. Disulfides 178-187 peroxiredoxin 2 Homo sapiens 43-47 25808059-3 2015 Our previous work revealed that, although PRDX-2 protects against the toxicity of peroxides, enigmatically, prdx-2-mutant animals are hyper-resistant to other forms of oxidative stress. Peroxides 82-91 peroxiredoxin 2 Homo sapiens 42-48 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. citrate/isocitrate 177-195 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. malic acid 201-207 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. NAD 221-254 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. NAD 256-260 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. Flavin-Adenine Dinucleotide 266-293 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. Flavin-Adenine Dinucleotide 295-298 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. Adenosine Triphosphate 305-308 peroxiredoxin 2 Homo sapiens 12-17 28217402-13 2016 When HPAF-II cells were incubated with both Torin-2 and metformin, there was a significant reduction in NAD+ and FAD, suggesting decreased levels of the energy equivalents that are available to the electron transport chain. NAD 104-108 peroxiredoxin 2 Homo sapiens 44-49 28217402-13 2016 When HPAF-II cells were incubated with both Torin-2 and metformin, there was a significant reduction in NAD+ and FAD, suggesting decreased levels of the energy equivalents that are available to the electron transport chain. Flavin-Adenine Dinucleotide 113-116 peroxiredoxin 2 Homo sapiens 44-49 28217402-14 2016 Targeted metabolomics data indicate that mTOR complexes inhibition by Torin 2 reduced glycolytic intermediates and TCA metabolites in HPAF- II and may synergize with metformin to decrease the electron acceptors NAD+ and FAD which may lead to reduced energy production. Trichloroacetic Acid 115-118 peroxiredoxin 2 Homo sapiens 70-75 28217402-14 2016 Targeted metabolomics data indicate that mTOR complexes inhibition by Torin 2 reduced glycolytic intermediates and TCA metabolites in HPAF- II and may synergize with metformin to decrease the electron acceptors NAD+ and FAD which may lead to reduced energy production. Metformin 166-175 peroxiredoxin 2 Homo sapiens 70-75 28217402-14 2016 Targeted metabolomics data indicate that mTOR complexes inhibition by Torin 2 reduced glycolytic intermediates and TCA metabolites in HPAF- II and may synergize with metformin to decrease the electron acceptors NAD+ and FAD which may lead to reduced energy production. NAD 211-215 peroxiredoxin 2 Homo sapiens 70-75 28217402-14 2016 Targeted metabolomics data indicate that mTOR complexes inhibition by Torin 2 reduced glycolytic intermediates and TCA metabolites in HPAF- II and may synergize with metformin to decrease the electron acceptors NAD+ and FAD which may lead to reduced energy production. Flavin-Adenine Dinucleotide 220-223 peroxiredoxin 2 Homo sapiens 70-75 26232623-8 2015 Edaravone seems to reverse the H2O2-mediated effects at both the cellular and protein level via induction of Peroxiredoxin-2. Edaravone 0-9 peroxiredoxin 2 Homo sapiens 109-124 26232623-8 2015 Edaravone seems to reverse the H2O2-mediated effects at both the cellular and protein level via induction of Peroxiredoxin-2. Hydrogen Peroxide 31-35 peroxiredoxin 2 Homo sapiens 109-124 28217402-7 2016 The objective of this study is to determine the targeted-metabolomics profile in PDAC cell line (HPAF-II) with mTOR inhibition and the interaction between mTOR ATP-competitive inhibitor (Torin 2) and metformin as potential combined therapy in PC. Adenosine Triphosphate 160-163 peroxiredoxin 2 Homo sapiens 187-192 28217402-7 2016 The objective of this study is to determine the targeted-metabolomics profile in PDAC cell line (HPAF-II) with mTOR inhibition and the interaction between mTOR ATP-competitive inhibitor (Torin 2) and metformin as potential combined therapy in PC. Metformin 200-209 peroxiredoxin 2 Homo sapiens 187-192 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. 2-phosphoglycerate 107-125 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. 3-phosphoglycerate 126-144 peroxiredoxin 2 Homo sapiens 12-17 28217402-12 2016 After 24 h, Torin-2 significantly decreased glycolysis intermediates (fructose 1,6-bisphosphate (FBP), and 2-phosphoglycerate/3-phosphoglycerate), TCA intermediate metabolites (citrate/isocitrate, and malate), as well as Nicotinamide Adenine Dinucleotide (NAD+) and Flavin Adenine Dinucleotide (FAD), and ATP levels. Trichloroacetic Acid 147-150 peroxiredoxin 2 Homo sapiens 12-17 29227081-3 2016 In thisstudy, we attempted to evaluate a possible association between ubiquitous Prx II and ATP/ADP bufferingenzyme - brain-type creatine kinase (CK BB). Adenosine Triphosphate 92-95 peroxiredoxin 2 Homo sapiens 81-87 29227081-3 2016 In thisstudy, we attempted to evaluate a possible association between ubiquitous Prx II and ATP/ADP bufferingenzyme - brain-type creatine kinase (CK BB). Adenosine Diphosphate 96-99 peroxiredoxin 2 Homo sapiens 81-87 29227081-4 2016 Our co-immunoprecipitation (Co-IP) results from the A549and HeLa cell lysates with overexpressed HA-Prx II and Flag-CK BB have demonstrated strong associationbetween two proteins under non-stressed conditions. veratric acid 166-169 peroxiredoxin 2 Homo sapiens 100-106 26202471-10 2015 RBCs that oxidized nitrite faster on Day 7 were associated with the greatest levels of storage-dependent hemolysis and increases in Prx-2 oxidation. Nitrites 19-26 peroxiredoxin 2 Homo sapiens 132-137 25808059-8 2015 Intriguingly, loss of PRDX-2 increases DAF-16 and SKN-1 activities sufficiently to increase arsenite resistance without initiating other IIS-inhibited processes. arsenite 92-100 peroxiredoxin 2 Homo sapiens 22-28 26023849-9 2015 Furthermore, treatment of EOC cells with a subtoxic dose of Torin2 potentiated a cisplatin-induced apoptotic response in EOC cell lines. Cisplatin 81-90 peroxiredoxin 2 Homo sapiens 60-65 26113455-6 2015 SDS-PAGE and mass spectrometric analysis showed that the proteins comprising the peak were almost exclusively Prx2. Sodium Dodecyl Sulfate 0-3 peroxiredoxin 2 Homo sapiens 110-114 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Sulfhydryl Compounds 16-21 peroxiredoxin 2 Homo sapiens 30-45 26021759-3 2015 Prx II was remarkably increased only in A549/GR (gefitinib-resistant) cells compared with A549 cells, consistent with methylation/demethylation. Gefitinib 49-58 peroxiredoxin 2 Homo sapiens 0-6 26021759-6 2015 When Prx II mRNA in the A549/GR cells was knocked down, the levels of ROS and apoptosis were significantly recovered to the levels of the controls. Reactive Oxygen Species 70-73 peroxiredoxin 2 Homo sapiens 5-11 26021759-10 2015 Our findings suggest that Prx II has an important role in cancer cell survival via the modulation of signaling molecules involved in apoptosis and the phosphorylation of JNK by the downregulation of ROS levels in A549/GR cells. Reactive Oxygen Species 199-202 peroxiredoxin 2 Homo sapiens 26-32 26028291-5 2015 PRDX2 overexpressing cells were protected from H2O2-induced oxidative stress. Hydrogen Peroxide 47-51 peroxiredoxin 2 Homo sapiens 0-5 26028291-6 2015 The amplitude of the Bmal1 promoter activity was significantly dampened in PRDX2-MycNuc versus EV cells when synchronized either by dexamethasone treatment or temperature cycles. Dexamethasone 132-145 peroxiredoxin 2 Homo sapiens 75-80 26028291-9 2015 Noteworthy, H2O2 treatment rescued proper oscillation of the clock in synchronized PRDX2-MycNuc HaCaT cells. Hydrogen Peroxide 12-16 peroxiredoxin 2 Homo sapiens 83-88 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Sulfhydryl Compounds 16-21 peroxiredoxin 2 Homo sapiens 47-51 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Hydrogen Peroxide 114-128 peroxiredoxin 2 Homo sapiens 30-45 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Hydrogen Peroxide 114-128 peroxiredoxin 2 Homo sapiens 47-51 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Disulfides 176-185 peroxiredoxin 2 Homo sapiens 30-45 25720945-1 2015 BACKGROUND: The thiol protein peroxiredoxin 2 (Prx2) is a major red blood cell (RBC) antioxidant that breaks down hydroperoxides and in the process is converted to an oxidized disulfide. Disulfides 176-185 peroxiredoxin 2 Homo sapiens 47-51 25720945-8 2015 Additional, Prx2 oxidation occurred when hydrogen peroxide was added. Hydrogen Peroxide 41-58 peroxiredoxin 2 Homo sapiens 12-16 25264713-9 2015 Specifically, Prx-2 recycling was blunted in beta93Ala RBC, which was reversed by carbon monoxide-treatment, suggesting that heme autoxidation-derived H2O2 maintains Prx-2 in the oxidized form in these cells. Carbon Monoxide 82-97 peroxiredoxin 2 Homo sapiens 14-19 25742636-7 2015 PRDX2 and -6 levels were negatively correlated with diastolic blood pressure, fasting blood sugar, and hemoglobin A1c. Sugars 92-97 peroxiredoxin 2 Homo sapiens 0-5 25264713-2 2015 Peroxiredoxin-2 (Prx-2) is a primary RBC antioxidant that limits hydrogen peroxide (H2O2)-mediated toxicity. Hydrogen Peroxide 65-82 peroxiredoxin 2 Homo sapiens 0-15 25264713-9 2015 Specifically, Prx-2 recycling was blunted in beta93Ala RBC, which was reversed by carbon monoxide-treatment, suggesting that heme autoxidation-derived H2O2 maintains Prx-2 in the oxidized form in these cells. Carbon Monoxide 82-97 peroxiredoxin 2 Homo sapiens 166-171 25264713-2 2015 Peroxiredoxin-2 (Prx-2) is a primary RBC antioxidant that limits hydrogen peroxide (H2O2)-mediated toxicity. Hydrogen Peroxide 65-82 peroxiredoxin 2 Homo sapiens 17-22 25264713-9 2015 Specifically, Prx-2 recycling was blunted in beta93Ala RBC, which was reversed by carbon monoxide-treatment, suggesting that heme autoxidation-derived H2O2 maintains Prx-2 in the oxidized form in these cells. Hydrogen Peroxide 151-155 peroxiredoxin 2 Homo sapiens 14-19 25264713-2 2015 Peroxiredoxin-2 (Prx-2) is a primary RBC antioxidant that limits hydrogen peroxide (H2O2)-mediated toxicity. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 0-15 25264713-9 2015 Specifically, Prx-2 recycling was blunted in beta93Ala RBC, which was reversed by carbon monoxide-treatment, suggesting that heme autoxidation-derived H2O2 maintains Prx-2 in the oxidized form in these cells. Hydrogen Peroxide 151-155 peroxiredoxin 2 Homo sapiens 166-171 25264713-2 2015 Peroxiredoxin-2 (Prx-2) is a primary RBC antioxidant that limits hydrogen peroxide (H2O2)-mediated toxicity. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 17-22 25264713-4 2015 RESULTS: Basal and H2O2-induced Prx-2 activity was measured in RBCs (stored for 7-35 days). Hydrogen Peroxide 19-23 peroxiredoxin 2 Homo sapiens 32-37 25264713-11 2015 INNOVATION: A novel mechanism for regulated Prx-2 activity in RBC via the beta93Cys residue is suggested. beta93cys 74-83 peroxiredoxin 2 Homo sapiens 44-49 25264713-5 2015 Basal Prx-2 thiol oxidation increased with RBC age, whereas H2O2-dependent formation of dimeric Prx-2 was similar. Sulfhydryl Compounds 12-17 peroxiredoxin 2 Homo sapiens 6-11 25264713-5 2015 Basal Prx-2 thiol oxidation increased with RBC age, whereas H2O2-dependent formation of dimeric Prx-2 was similar. Hydrogen Peroxide 60-64 peroxiredoxin 2 Homo sapiens 96-101 25264713-6 2015 However, reduction of Prx-2 dimers to monomers became progressively slower with RBC storage, which was associated with increased H2O2-induced hemolysis. Hydrogen Peroxide 129-133 peroxiredoxin 2 Homo sapiens 22-27 25471788-1 2015 The mammalian peroxiredoxin 2 (Prdx2) is a member of thiol-dependent antioxidant proteins and plays an important role in the progression of colorectal cancer (CRC). Sulfhydryl Compounds 53-58 peroxiredoxin 2 Homo sapiens 14-29 25786472-0 2015 Peroxiredoxin 2, glutathione peroxidase, and catalase in the cytosol and membrane of erythrocytes under H2O2-induced oxidative stress. Hydrogen Peroxide 104-108 peroxiredoxin 2 Homo sapiens 0-15 25786472-3 2015 Our aim was to contribute to a better understanding of the interplay between Prx2, Cat, and GPx under H2O2-induced oxidative stress, by studying their changes in the red blood cell cytosol and membrane, in different conditions. Hydrogen Peroxide 102-106 peroxiredoxin 2 Homo sapiens 77-81 25786472-7 2015 We showed that under increasing H2O2 concentrations, inhibition of the three enzymes with or without metHb formation lead to the binding of Prx2 and GPx (but not Cat) to the erythrocyte membrane. Hydrogen Peroxide 32-36 peroxiredoxin 2 Homo sapiens 140-144 25471788-1 2015 The mammalian peroxiredoxin 2 (Prdx2) is a member of thiol-dependent antioxidant proteins and plays an important role in the progression of colorectal cancer (CRC). Sulfhydryl Compounds 53-58 peroxiredoxin 2 Homo sapiens 31-36 25296981-2 2014 Torin-2 is a novel, second-generation ATP-competitive inhibitor that is potent and selective for mTOR with a superior pharmacokinetic profile to previous inhibitors. Adenosine Triphosphate 38-41 peroxiredoxin 2 Homo sapiens 0-5 25402766-0 2015 Peroxiredoxin-2 and STAT3 form a redox relay for H2O2 signaling. Hydrogen Peroxide 49-53 peroxiredoxin 2 Homo sapiens 0-15 25289458-6 2014 We confirmed that adenanthin underwent Michael addition to isolated Prx2, thereby inhibiting oxidation to a disulfide-linked dimer. adenanthin 18-28 peroxiredoxin 2 Homo sapiens 68-72 25289458-6 2014 We confirmed that adenanthin underwent Michael addition to isolated Prx2, thereby inhibiting oxidation to a disulfide-linked dimer. Disulfides 108-117 peroxiredoxin 2 Homo sapiens 68-72 25289458-9 2014 With 50 microM adenanthin, the peroxidatic and resolving Cys of Prx2 reacted with half-times of 7 and 40 min, respectively, compared with 10 min for GSH. adenanthin 15-25 peroxiredoxin 2 Homo sapiens 64-68 25289458-9 2014 With 50 microM adenanthin, the peroxidatic and resolving Cys of Prx2 reacted with half-times of 7 and 40 min, respectively, compared with 10 min for GSH. Cysteine 57-60 peroxiredoxin 2 Homo sapiens 64-68 25289458-9 2014 With 50 microM adenanthin, the peroxidatic and resolving Cys of Prx2 reacted with half-times of 7 and 40 min, respectively, compared with 10 min for GSH. Glutathione 149-152 peroxiredoxin 2 Homo sapiens 64-68 25068294-8 2014 Antioxidant proteins including heme oxygenase-1 and peroxiredoxin-2 levels were also increased in retinal AC under high glucose conditions through nuclear localization of transcription factor nuclear factor-erythroid 2-related factor-2. Glucose 120-127 peroxiredoxin 2 Homo sapiens 52-67 25379381-0 2014 Irreversible hyperoxidation of peroxiredoxin 2 is caused by tert-butyl hydroperoxide in human red blood cells. tert-Butylhydroperoxide 60-84 peroxiredoxin 2 Homo sapiens 31-46 25379381-3 2014 The detection of a peak corresponding to Prx2-SO2/3 was clearly observed following treatment of tert-butyl hydroperoxide (t-BHP), but not H2O2, and was found to be dose-dependent. tert-Butylhydroperoxide 96-120 peroxiredoxin 2 Homo sapiens 41-45 25379381-3 2014 The detection of a peak corresponding to Prx2-SO2/3 was clearly observed following treatment of tert-butyl hydroperoxide (t-BHP), but not H2O2, and was found to be dose-dependent. tert-Butylhydroperoxide 122-127 peroxiredoxin 2 Homo sapiens 41-45 25379381-3 2014 The detection of a peak corresponding to Prx2-SO2/3 was clearly observed following treatment of tert-butyl hydroperoxide (t-BHP), but not H2O2, and was found to be dose-dependent. Hydrogen Peroxide 138-142 peroxiredoxin 2 Homo sapiens 41-45 25379381-5 2014 Our results suggest that t-BHP hyperoxidizes cysteine residues in Prx2 more readily than H2O2, and that accumulation of hyperoxidized Prx2 might reflect disruption of redox homeostasis in RBCs. Cysteine 45-53 peroxiredoxin 2 Homo sapiens 66-70 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). NADP 212-217 peroxiredoxin 2 Homo sapiens 20-24 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). NADP 212-217 peroxiredoxin 2 Homo sapiens 174-178 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). Hydrogen Peroxide 259-263 peroxiredoxin 2 Homo sapiens 20-24 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). Hydrogen Peroxide 259-263 peroxiredoxin 2 Homo sapiens 174-178 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). Hydrogen Peroxide 286-290 peroxiredoxin 2 Homo sapiens 20-24 26461315-6 2014 The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8microM H2O2/s). Hydrogen Peroxide 286-290 peroxiredoxin 2 Homo sapiens 174-178 26461315-7 2014 Further, the inhibition extends the range where the concentrations of potential redox signaling readouts - H2O2, Prx2 sulfenic acid, Prx2 disulfide and Trx disulfide- show a proportional response to changes in H2O2 supply, covering practically the whole physiological range of the latter. Sulfenic Acids 118-131 peroxiredoxin 2 Homo sapiens 113-117 26461315-7 2014 Further, the inhibition extends the range where the concentrations of potential redox signaling readouts - H2O2, Prx2 sulfenic acid, Prx2 disulfide and Trx disulfide- show a proportional response to changes in H2O2 supply, covering practically the whole physiological range of the latter. Disulfides 138-147 peroxiredoxin 2 Homo sapiens 133-137 26461315-7 2014 Further, the inhibition extends the range where the concentrations of potential redox signaling readouts - H2O2, Prx2 sulfenic acid, Prx2 disulfide and Trx disulfide- show a proportional response to changes in H2O2 supply, covering practically the whole physiological range of the latter. Hydrogen Peroxide 210-214 peroxiredoxin 2 Homo sapiens 113-117 26461315-7 2014 Further, the inhibition extends the range where the concentrations of potential redox signaling readouts - H2O2, Prx2 sulfenic acid, Prx2 disulfide and Trx disulfide- show a proportional response to changes in H2O2 supply, covering practically the whole physiological range of the latter. Hydrogen Peroxide 210-214 peroxiredoxin 2 Homo sapiens 133-137 26461315-8 2014 This is desirable for analogic signal transduction and allows the Prx2/Trx/TrxR system to reliably transduce changes in H2O2 supply as changes in thiol oxidation. Hydrogen Peroxide 120-124 peroxiredoxin 2 Homo sapiens 66-70 26461315-8 2014 This is desirable for analogic signal transduction and allows the Prx2/Trx/TrxR system to reliably transduce changes in H2O2 supply as changes in thiol oxidation. Sulfhydryl Compounds 146-151 peroxiredoxin 2 Homo sapiens 66-70 26461315-9 2014 Finally, the inhibition allows other less abundant peroxiredoxins in the erythrocyte to be oxidized by H2O2 at physiological H2O2 supplies.Altogether, these results suggest that the postulated reversible inhibition of Prx2"s peroxidase facilitates signal transduction by the peroxiredoxins and spares NADPH.We acknowledge: fellowship SFRH/BD/51199/2010, grants PEst-C/SAU/LA0001/2013-2014, PEst-OE/QUI/UI0612/2013, PEst-OE/QUI/UI0313/2014, and FCOMP-01-0124-FEDER-020978 co-financed by FEDER through the COMPETE program and by FCT (project PTDC/QUI-BIQ/119657/2010). Hydrogen Peroxide 103-107 peroxiredoxin 2 Homo sapiens 218-222 26461315-9 2014 Finally, the inhibition allows other less abundant peroxiredoxins in the erythrocyte to be oxidized by H2O2 at physiological H2O2 supplies.Altogether, these results suggest that the postulated reversible inhibition of Prx2"s peroxidase facilitates signal transduction by the peroxiredoxins and spares NADPH.We acknowledge: fellowship SFRH/BD/51199/2010, grants PEst-C/SAU/LA0001/2013-2014, PEst-OE/QUI/UI0612/2013, PEst-OE/QUI/UI0313/2014, and FCOMP-01-0124-FEDER-020978 co-financed by FEDER through the COMPETE program and by FCT (project PTDC/QUI-BIQ/119657/2010). Hydrogen Peroxide 125-129 peroxiredoxin 2 Homo sapiens 218-222 24952139-4 2014 The high rate constant (10(7)-10(8) M(-1) s(-1)) for H2O2 reduction determined for purified peroxiredoxin II (Prx2) and the high abundance of this protein indicate that under physiological conditions it consumes practically all the H2O2. Hydrogen Peroxide 53-57 peroxiredoxin 2 Homo sapiens 110-114 24952139-4 2014 The high rate constant (10(7)-10(8) M(-1) s(-1)) for H2O2 reduction determined for purified peroxiredoxin II (Prx2) and the high abundance of this protein indicate that under physiological conditions it consumes practically all the H2O2. Hydrogen Peroxide 232-236 peroxiredoxin 2 Homo sapiens 110-114 24952139-5 2014 However, this is inconsistent with extensive evidence that Prx2"s contribution to H2O2 elimination is comparable to that of catalase. Hydrogen Peroxide 82-86 peroxiredoxin 2 Homo sapiens 59-63 24952139-8 2014 Simulations of the responses to physiological H2O2 stimuli highlight that a design combining abundant Prx2 with a low effective peroxidase activity spares NADPH while improving potential signaling properties of the Prx2/thioredoxin/thioredoxin reductase system. Hydrogen Peroxide 46-50 peroxiredoxin 2 Homo sapiens 102-106 24952139-8 2014 Simulations of the responses to physiological H2O2 stimuli highlight that a design combining abundant Prx2 with a low effective peroxidase activity spares NADPH while improving potential signaling properties of the Prx2/thioredoxin/thioredoxin reductase system. Hydrogen Peroxide 46-50 peroxiredoxin 2 Homo sapiens 215-219 25097261-4 2014 The oxidative coupling of glutathione (GSH) to PRDX2 cysteine residues (i.e., protein glutathionylation) occurs before or during PRDX2 release, a process central to the regulation of immunity. Glutathione 26-37 peroxiredoxin 2 Homo sapiens 47-52 25097261-4 2014 The oxidative coupling of glutathione (GSH) to PRDX2 cysteine residues (i.e., protein glutathionylation) occurs before or during PRDX2 release, a process central to the regulation of immunity. Glutathione 26-37 peroxiredoxin 2 Homo sapiens 129-134 25097261-4 2014 The oxidative coupling of glutathione (GSH) to PRDX2 cysteine residues (i.e., protein glutathionylation) occurs before or during PRDX2 release, a process central to the regulation of immunity. Glutathione 39-42 peroxiredoxin 2 Homo sapiens 47-52 25097261-4 2014 The oxidative coupling of glutathione (GSH) to PRDX2 cysteine residues (i.e., protein glutathionylation) occurs before or during PRDX2 release, a process central to the regulation of immunity. Glutathione 39-42 peroxiredoxin 2 Homo sapiens 129-134 25097261-4 2014 The oxidative coupling of glutathione (GSH) to PRDX2 cysteine residues (i.e., protein glutathionylation) occurs before or during PRDX2 release, a process central to the regulation of immunity. Cysteine 53-61 peroxiredoxin 2 Homo sapiens 47-52 24814289-7 2014 Furthermore, PRDX2 knockdown increased intracellular levels of reactive oxygen species (ROS) and impaired cell cycle progression and proliferation. Reactive Oxygen Species 63-86 peroxiredoxin 2 Homo sapiens 13-18 24814289-7 2014 Furthermore, PRDX2 knockdown increased intracellular levels of reactive oxygen species (ROS) and impaired cell cycle progression and proliferation. Reactive Oxygen Species 88-91 peroxiredoxin 2 Homo sapiens 13-18 26461310-1 2014 H2O2 elimination in human erythrocytes is mainly carried out by catalase (Cat), glutathione peroxidase (GPx1) and the more recently discovered peroxiredoxin 2 (Prx2). Hydrogen Peroxide 0-4 peroxiredoxin 2 Homo sapiens 143-158 26461310-1 2014 H2O2 elimination in human erythrocytes is mainly carried out by catalase (Cat), glutathione peroxidase (GPx1) and the more recently discovered peroxiredoxin 2 (Prx2). Hydrogen Peroxide 0-4 peroxiredoxin 2 Homo sapiens 160-164 26461310-5 2014 In order for this to be attained, Prx2"s effective rate constant with H2O2would have to be just ~10(5) M(-1)s(-1), much lower than that determined in multiple experiments with the purified proteins. h2o2would 70-79 peroxiredoxin 2 Homo sapiens 34-38 26461310-6 2014 Nevertheless, nearly all Prx2 is oxidized within 1min of exposing erythrocytes to a H2O2 bolus, which is inconsistent with an irreversible inhibition. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 25-29 26461315-1 2014 In human erythrocytes H2O2 is mainly consumed by glutathione peroxidase, catalase and peroxiredoxin 2 (Prx2). Hydrogen Peroxide 22-26 peroxiredoxin 2 Homo sapiens 86-101 26461315-1 2014 In human erythrocytes H2O2 is mainly consumed by glutathione peroxidase, catalase and peroxiredoxin 2 (Prx2). Hydrogen Peroxide 22-26 peroxiredoxin 2 Homo sapiens 103-107 26461315-3 2014 If this activity is inhibited then the main role of Prx2 cannot be to eliminate H2O2. Hydrogen Peroxide 80-84 peroxiredoxin 2 Homo sapiens 52-56 26461315-5 2014 We then applied it to analyze the behavior of Prx2 and Trx under the H2O2 exposure dynamics that erythrocytes face in circulation. Hydrogen Peroxide 69-73 peroxiredoxin 2 Homo sapiens 46-50 24862795-4 2014 Using 2-dimensional difference gel electrophoresis and protein identification by matrix-assisted laser desorption ionization time-of-flight mass spectrometry, we found that peroxiredoxin 2 (PRDX2), a member of the peroxiredoxin family that regulates reactive oxygen species, was markedly upregulated in neutrophils of RCMD patients compared to healthy donors. Reactive Oxygen Species 250-273 peroxiredoxin 2 Homo sapiens 173-188 24862795-4 2014 Using 2-dimensional difference gel electrophoresis and protein identification by matrix-assisted laser desorption ionization time-of-flight mass spectrometry, we found that peroxiredoxin 2 (PRDX2), a member of the peroxiredoxin family that regulates reactive oxygen species, was markedly upregulated in neutrophils of RCMD patients compared to healthy donors. Reactive Oxygen Species 250-273 peroxiredoxin 2 Homo sapiens 190-195 24952139-8 2014 Simulations of the responses to physiological H2O2 stimuli highlight that a design combining abundant Prx2 with a low effective peroxidase activity spares NADPH while improving potential signaling properties of the Prx2/thioredoxin/thioredoxin reductase system. NADP 155-160 peroxiredoxin 2 Homo sapiens 102-106 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 82-99 peroxiredoxin 2 Homo sapiens 0-14 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 82-99 peroxiredoxin 2 Homo sapiens 16-20 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 101-105 peroxiredoxin 2 Homo sapiens 0-14 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 101-105 peroxiredoxin 2 Homo sapiens 16-20 24719319-6 2014 In this work we characterize Prx2 tyrosine nitration, a post-translational modification on a noncatalytic residue that increases its peroxidase activity and its resistance to overoxidation. Tyrosine 34-42 peroxiredoxin 2 Homo sapiens 29-33 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 119-133 peroxiredoxin 2 Homo sapiens 0-14 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Hydrogen Peroxide 119-133 peroxiredoxin 2 Homo sapiens 16-20 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Water 137-142 peroxiredoxin 2 Homo sapiens 0-14 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Water 137-142 peroxiredoxin 2 Homo sapiens 16-20 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Alcohols 147-155 peroxiredoxin 2 Homo sapiens 0-14 24631653-2 2014 Peroxiredoxin2 (PRX2) is one of six mammalian isoenzymes (PRX1-6) that can reduce hydrogen peroxide (H2O2) and organic hydroperoxides to water and alcohols. Alcohols 147-155 peroxiredoxin 2 Homo sapiens 16-20 24636884-2 2014 Peroxiredoxin 2 (Prx2) is a major antioxidant enzyme that requires NADPH to recycle its oxidized (disulfide-bonded) form. Disulfides 98-107 peroxiredoxin 2 Homo sapiens 0-15 24636884-2 2014 Peroxiredoxin 2 (Prx2) is a major antioxidant enzyme that requires NADPH to recycle its oxidized (disulfide-bonded) form. Disulfides 98-107 peroxiredoxin 2 Homo sapiens 17-21 24636884-7 2014 When treated with reagent H2O2, the G6PD-deficient erythrocytes were severely compromised in their ability to recycle oxidized Prx2, with only 27 or 4% reduction after 1 h treatment with 0.1 or 1 mM H2O2 respectively, compared with >97% reduction in control erythrocytes. Hydrogen Peroxide 26-30 peroxiredoxin 2 Homo sapiens 127-131 24636884-7 2014 When treated with reagent H2O2, the G6PD-deficient erythrocytes were severely compromised in their ability to recycle oxidized Prx2, with only 27 or 4% reduction after 1 h treatment with 0.1 or 1 mM H2O2 respectively, compared with >97% reduction in control erythrocytes. Hydrogen Peroxide 199-203 peroxiredoxin 2 Homo sapiens 127-131 24719319-7 2014 Mass spectrometry analysis revealed that treatment of disulfide-oxidized Prx2 with excess peroxynitrite renders mainly mononitrated and dinitrated species. Disulfides 54-63 peroxiredoxin 2 Homo sapiens 73-77 24719319-7 2014 Mass spectrometry analysis revealed that treatment of disulfide-oxidized Prx2 with excess peroxynitrite renders mainly mononitrated and dinitrated species. Peroxynitrous Acid 90-103 peroxiredoxin 2 Homo sapiens 73-77 24976757-2 2014 PrxII is induced by various oxidative stimuli and plays an important protective role against oxidative radical damage by reactive oxygen species. Reactive Oxygen Species 121-144 peroxiredoxin 2 Homo sapiens 0-5 24627081-5 2014 Using a 2-DE-based proteomic approach, 3 upregulated oxidative stress markers, Hsp70-1, Hop and Prdx2, were identified in the HepG2 cells treated with 40 microM oridonin for 24 h. A pattern of alteration in Hsp70-1 was verified by western blotting. oridonin 161-169 peroxiredoxin 2 Homo sapiens 96-101 24631019-6 2014 Among the 20 differential proteins identified, 8 were found to be modulated by SET in TCE-induced cytotoxicity and three of them (cofilin-1, peroxiredoxin-2 and S100-A11) were validated by Western-blot analysis. Trichloroethylene 86-89 peroxiredoxin 2 Homo sapiens 141-156 24616707-6 2014 The bulk of the ROS are neutralized by the RBC antioxidant system consisting of both non-enzymatic and enzymatic antioxidants including catalase, glutathione peroxidase and peroxiredoxin-2. Reactive Oxygen Species 16-19 peroxiredoxin 2 Homo sapiens 173-188 24397869-9 2014 Cysteine modifications of PARK7/DJ-1, peroxiredoxin-2, and other proteins were identified, quantified, and compared to overall levels of protein S-nitrosylation. Cysteine 0-8 peroxiredoxin 2 Homo sapiens 38-53 24424027-4 2014 A mutation of the Tor2 glycine residue (G2040D) that lies adjacent to the key Torin-interacting tryptophan provides Torin1 resistance, confirming the specificity of Torin1 for TOR. Glycine 23-30 peroxiredoxin 2 Homo sapiens 78-83 24424027-4 2014 A mutation of the Tor2 glycine residue (G2040D) that lies adjacent to the key Torin-interacting tryptophan provides Torin1 resistance, confirming the specificity of Torin1 for TOR. Tryptophan 96-106 peroxiredoxin 2 Homo sapiens 78-83 24500687-6 2014 Fatty acid overload led to a redox imbalance which deactivated the antioxidant protein peroxiredoxin 2 and caused a peroxide-mediated apoptosis through the redox-sensitive pJNK/caspase-3 pathway. Fatty Acids 0-10 peroxiredoxin 2 Homo sapiens 87-102 24500687-6 2014 Fatty acid overload led to a redox imbalance which deactivated the antioxidant protein peroxiredoxin 2 and caused a peroxide-mediated apoptosis through the redox-sensitive pJNK/caspase-3 pathway. Peroxides 116-124 peroxiredoxin 2 Homo sapiens 87-102 24699133-1 2014 The human erythrocyte contains an abundance of the thiol-dependant peroxidase Peroxiredoxin-2 (Prx2), which protects the cell from the pro-oxidant environment it encounters during its 120 days of life in the blood stream. Sulfhydryl Compounds 51-56 peroxiredoxin 2 Homo sapiens 78-93 24699133-1 2014 The human erythrocyte contains an abundance of the thiol-dependant peroxidase Peroxiredoxin-2 (Prx2), which protects the cell from the pro-oxidant environment it encounters during its 120 days of life in the blood stream. Sulfhydryl Compounds 51-56 peroxiredoxin 2 Homo sapiens 95-99 24699133-2 2014 In malarial infections, the Plasmodium parasite invades red cells and imports Prx2 during intraerythrocytic development, presumably to supplement in its own degradation of peroxides generated during cell metabolism, especially hemoglobin (Hb) digestion. Peroxides 172-181 peroxiredoxin 2 Homo sapiens 78-82 24699133-3 2014 Here we demonstrate that an irreversible Prx2 inhibitor, Conoidin A (2,3-bis(bromomethyl)-1,4-dioxide-quinoxaline; BBMQ), has potent cytocidal activity against cultured P. falciparum. conoidin 57-65 peroxiredoxin 2 Homo sapiens 41-45 24699133-3 2014 Here we demonstrate that an irreversible Prx2 inhibitor, Conoidin A (2,3-bis(bromomethyl)-1,4-dioxide-quinoxaline; BBMQ), has potent cytocidal activity against cultured P. falciparum. 2,3-bis(bromomethyl)-1,4-dioxide-quinoxaline 69-113 peroxiredoxin 2 Homo sapiens 41-45 24699133-3 2014 Here we demonstrate that an irreversible Prx2 inhibitor, Conoidin A (2,3-bis(bromomethyl)-1,4-dioxide-quinoxaline; BBMQ), has potent cytocidal activity against cultured P. falciparum. bbmq 115-119 peroxiredoxin 2 Homo sapiens 41-45 23911960-8 2013 Gene silencing assay demonstrated that reduced expression of PRDX2 was associated with increased sensitivity of OS cells to chemotherapeutic drugs such as methotrexate, doxorubicin and cisplatin. Methotrexate 155-167 peroxiredoxin 2 Homo sapiens 61-66 24234423-1 2014 Peroxiredoxin 2 (Prdx2) is a member of the peroxiredoxin family, which is responsible for neutralizing reactive oxygen species. Reactive Oxygen Species 103-126 peroxiredoxin 2 Homo sapiens 0-15 24234423-1 2014 Peroxiredoxin 2 (Prdx2) is a member of the peroxiredoxin family, which is responsible for neutralizing reactive oxygen species. Reactive Oxygen Species 103-126 peroxiredoxin 2 Homo sapiens 17-22 24234423-1 2014 Peroxiredoxin 2 (Prdx2) is a member of the peroxiredoxin family, which is responsible for neutralizing reactive oxygen species. Reactive Oxygen Species 103-126 peroxiredoxin 2 Homo sapiens 43-56 24234423-8 2014 Suppression of Prdx2 using a lentiviral vector-mediated Prdx2-specific shRNA in the LoVo cell line restored H2O2 sensitivity. Hydrogen Peroxide 108-112 peroxiredoxin 2 Homo sapiens 15-20 24234423-8 2014 Suppression of Prdx2 using a lentiviral vector-mediated Prdx2-specific shRNA in the LoVo cell line restored H2O2 sensitivity. Hydrogen Peroxide 108-112 peroxiredoxin 2 Homo sapiens 56-61 24222118-0 2013 Human pancreatic cancer cells with acquired gemcitabine resistance exhibit significant up-regulation of peroxiredoxin-2 compared to sensitive parental cells. gemcitabine 44-55 peroxiredoxin 2 Homo sapiens 104-119 24222118-9 2013 These results suggest that peroxiredoxin-2 is a possible candidate biomarker for predicting the response of patients with pancreatic cancer to treatment with gemcitabine. gemcitabine 158-169 peroxiredoxin 2 Homo sapiens 27-42 24648762-4 2013 Our results, presented here, show that silencing PrxII gene expression increased cellular toxicity by altering cellular thiol status, inhibiting Ca(2+) efflux from the cells, and perturbing the intracellular Ca(2+) homeostasis. Sulfhydryl Compounds 120-125 peroxiredoxin 2 Homo sapiens 49-54 23911960-8 2013 Gene silencing assay demonstrated that reduced expression of PRDX2 was associated with increased sensitivity of OS cells to chemotherapeutic drugs such as methotrexate, doxorubicin and cisplatin. Doxorubicin 169-180 peroxiredoxin 2 Homo sapiens 61-66 23911960-8 2013 Gene silencing assay demonstrated that reduced expression of PRDX2 was associated with increased sensitivity of OS cells to chemotherapeutic drugs such as methotrexate, doxorubicin and cisplatin. Cisplatin 185-194 peroxiredoxin 2 Homo sapiens 61-66 23572564-7 2013 In these categories, Peroxiredoxin-2 and 6, that control hydrogen peroxide metabolic processes, are the main enriched molecules together with the anti-apoptotic 78 kDa glucose regulated protein. Hydrogen Peroxide 57-74 peroxiredoxin 2 Homo sapiens 21-42 23713588-5 2013 Mutant analyses revealed that loss of the peroxidative cysteine residue of Prx2 also facilitated complex formation with ERp46, even without H2O2 treatment, whereas the resolving cysteine residue of Prx2 was indispensible for the interaction to occur. Cysteine 178-186 peroxiredoxin 2 Homo sapiens 198-202 23713588-6 2013 The complex involved a stable non-covalent interaction that was disassociated by the reduction of intramolecular disulfides in ERp46, or by disruption of the decameric structure of hyperoxidized Prx2. Disulfides 113-123 peroxiredoxin 2 Homo sapiens 195-199 23889121-11 2013 Excessive accumulation of reactive oxygen species induced by ultra-endurance exercise may underlie depletion of lymphocyte PRDX-2 by triggering its turnover after oxidation. Reactive Oxygen Species 26-49 peroxiredoxin 2 Homo sapiens 123-129 23713588-4 2013 In the present study we have searched for binding partners of Prx2 in H2O2-treated Jurkat and human umbilical vein endothelial cells and discovered that the hyperoxidized form selectively co-precipitated with the protein disulfide-isomerase ERp46. Hydrogen Peroxide 70-74 peroxiredoxin 2 Homo sapiens 62-66 23713588-5 2013 Mutant analyses revealed that loss of the peroxidative cysteine residue of Prx2 also facilitated complex formation with ERp46, even without H2O2 treatment, whereas the resolving cysteine residue of Prx2 was indispensible for the interaction to occur. Cysteine 55-63 peroxiredoxin 2 Homo sapiens 75-79 22430214-7 2013 The 435-L3 cells silenced for PRDX2 were significantly more sensitive to H(2)O(2)-induced oxidative stress than the parental and scrambled transfected cells. Hydrogen Peroxide 73-81 peroxiredoxin 2 Homo sapiens 30-35 23543738-0 2013 Hyperoxidation of peroxiredoxins 2 and 3: rate constants for the reactions of the sulfenic acid of the peroxidatic cysteine. Sulfenic Acids 82-95 peroxiredoxin 2 Homo sapiens 18-40 23543738-0 2013 Hyperoxidation of peroxiredoxins 2 and 3: rate constants for the reactions of the sulfenic acid of the peroxidatic cysteine. Cysteine 115-123 peroxiredoxin 2 Homo sapiens 18-40 23543738-1 2013 Typical 2-Cys peroxiredoxins (Prxs) react rapidly with H2O2 to form a sulfenic acid, which then condenses with the resolving cysteine of the adjacent Prx in the homodimer or reacts with another H2O2 to become hyperoxidized. 2-cys 8-13 peroxiredoxin 2 Homo sapiens 14-28 23543738-1 2013 Typical 2-Cys peroxiredoxins (Prxs) react rapidly with H2O2 to form a sulfenic acid, which then condenses with the resolving cysteine of the adjacent Prx in the homodimer or reacts with another H2O2 to become hyperoxidized. Hydrogen Peroxide 55-59 peroxiredoxin 2 Homo sapiens 14-28 23543738-1 2013 Typical 2-Cys peroxiredoxins (Prxs) react rapidly with H2O2 to form a sulfenic acid, which then condenses with the resolving cysteine of the adjacent Prx in the homodimer or reacts with another H2O2 to become hyperoxidized. Sulfenic Acids 70-83 peroxiredoxin 2 Homo sapiens 14-28 23543738-1 2013 Typical 2-Cys peroxiredoxins (Prxs) react rapidly with H2O2 to form a sulfenic acid, which then condenses with the resolving cysteine of the adjacent Prx in the homodimer or reacts with another H2O2 to become hyperoxidized. Cysteine 125-133 peroxiredoxin 2 Homo sapiens 14-28 23543738-1 2013 Typical 2-Cys peroxiredoxins (Prxs) react rapidly with H2O2 to form a sulfenic acid, which then condenses with the resolving cysteine of the adjacent Prx in the homodimer or reacts with another H2O2 to become hyperoxidized. Hydrogen Peroxide 194-198 peroxiredoxin 2 Homo sapiens 14-28 23543738-4 2013 We determined rate constants for disulfide formation and hyperoxidation for human recombinant Prx2 and Prx3 by analyzing the relative proportions of hyperoxidized and dimeric products using mass spectrometry as a function of H2O2 concentration (in the absence of reductive cycling) and in competition with catalase at a fixed concentration of H2O2. Disulfides 33-42 peroxiredoxin 2 Homo sapiens 94-98 23543738-4 2013 We determined rate constants for disulfide formation and hyperoxidation for human recombinant Prx2 and Prx3 by analyzing the relative proportions of hyperoxidized and dimeric products using mass spectrometry as a function of H2O2 concentration (in the absence of reductive cycling) and in competition with catalase at a fixed concentration of H2O2. Hydrogen Peroxide 225-229 peroxiredoxin 2 Homo sapiens 94-98 23543738-4 2013 We determined rate constants for disulfide formation and hyperoxidation for human recombinant Prx2 and Prx3 by analyzing the relative proportions of hyperoxidized and dimeric products using mass spectrometry as a function of H2O2 concentration (in the absence of reductive cycling) and in competition with catalase at a fixed concentration of H2O2. Hydrogen Peroxide 343-347 peroxiredoxin 2 Homo sapiens 94-98 23543738-5 2013 This gave a second order rate constant for hyperoxidation of 12,000 M(-1) s(-1) and a rate constant for disulfide formation of 2 s(-1) for Prx2. Disulfides 104-113 peroxiredoxin 2 Homo sapiens 139-143 23543738-9 2013 Although the sulfenic acid forms of Prx2 and Prx3 are ~1000-fold less reactive with H2O2 than their active site thiols, they react several orders of magnitude faster than most reduced thiol proteins. Sulfenic Acids 13-26 peroxiredoxin 2 Homo sapiens 36-40 23543738-9 2013 Although the sulfenic acid forms of Prx2 and Prx3 are ~1000-fold less reactive with H2O2 than their active site thiols, they react several orders of magnitude faster than most reduced thiol proteins. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 36-40 23543738-9 2013 Although the sulfenic acid forms of Prx2 and Prx3 are ~1000-fold less reactive with H2O2 than their active site thiols, they react several orders of magnitude faster than most reduced thiol proteins. Sulfhydryl Compounds 112-118 peroxiredoxin 2 Homo sapiens 36-40 23543738-9 2013 Although the sulfenic acid forms of Prx2 and Prx3 are ~1000-fold less reactive with H2O2 than their active site thiols, they react several orders of magnitude faster than most reduced thiol proteins. Sulfhydryl Compounds 112-117 peroxiredoxin 2 Homo sapiens 36-40 22430214-8 2013 BO2/PRDX2 cells produced less ROS than BO2/green fluorescent protein control cells under oxidative stress. Reactive Oxygen Species 30-33 peroxiredoxin 2 Homo sapiens 4-9 22430214-11 2013 Furthermore, PRDX2 expression in breast cancer cells was associated with a glucose-dependent phenotype, different from bone metastatic cells. Glucose 75-82 peroxiredoxin 2 Homo sapiens 13-18 24205432-7 2013 Novel cytoprotective systems such as ASHP, eIF2 alpha, and peroxiredoxin-2 have been suggested to be important against ROS in beta-thalassemic erythropoiesis. Reactive Oxygen Species 119-122 peroxiredoxin 2 Homo sapiens 59-74 23123411-7 2013 Hemichrome formation induced by phenylhydrazine of RBCs prevented membrane association of PRDX2, implying overlapping binding sites. phenylhydrazine 32-47 peroxiredoxin 2 Homo sapiens 90-95 23113308-2 2012 It was found that drug resistance formation was accompanied by a significant increase in the expression of PRDX1, PRDX2, PRDX3, PRDX6 genes in all cancer cell strains, which confirms the important contribution of redox-dependent mechanisms into the development of cisplatin resistance of cancer cells. Cisplatin 264-273 peroxiredoxin 2 Homo sapiens 114-119 23151508-5 2012 MPP(+) induces CDK5/p25-dependent phosphorylation of peroxiredoxin 2 (Prx2), resulting in inhibition of its peroxireductase activity and accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 153-176 peroxiredoxin 2 Homo sapiens 53-68 23151508-5 2012 MPP(+) induces CDK5/p25-dependent phosphorylation of peroxiredoxin 2 (Prx2), resulting in inhibition of its peroxireductase activity and accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 153-176 peroxiredoxin 2 Homo sapiens 70-74 23151508-5 2012 MPP(+) induces CDK5/p25-dependent phosphorylation of peroxiredoxin 2 (Prx2), resulting in inhibition of its peroxireductase activity and accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 178-181 peroxiredoxin 2 Homo sapiens 53-68 23151508-5 2012 MPP(+) induces CDK5/p25-dependent phosphorylation of peroxiredoxin 2 (Prx2), resulting in inhibition of its peroxireductase activity and accumulation of reactive oxygen species (ROS). Reactive Oxygen Species 178-181 peroxiredoxin 2 Homo sapiens 70-74 22537912-1 2012 Peroxiredoxin 2, a typical 2-Cys peroxiredoxin, is the third most abundant protein in erythrocytes. 2-cys peroxiredoxin 27-46 peroxiredoxin 2 Homo sapiens 0-15 22960070-3 2012 Upon oxidative stress, ROS and Heinz body formation were significantly increased in Prx II knockout RBCs compared to wild-type (WT), which ultimately accelerated the accumulation of hemosiderin and heme-oxygenase 1 in the Prx II knock-out livers. Reactive Oxygen Species 23-26 peroxiredoxin 2 Homo sapiens 84-90 22805285-1 2012 Human peroxiredoxin 2 (Prx2), which is abundant in erythrocytes, has been shown to play a key role in protecting erythrocytes against oxidative stress by scavenging reactive oxygen species as well as participating in cell signal transduction. Reactive Oxygen Species 165-188 peroxiredoxin 2 Homo sapiens 6-21 22805285-1 2012 Human peroxiredoxin 2 (Prx2), which is abundant in erythrocytes, has been shown to play a key role in protecting erythrocytes against oxidative stress by scavenging reactive oxygen species as well as participating in cell signal transduction. Reactive Oxygen Species 165-188 peroxiredoxin 2 Homo sapiens 23-27 22805285-5 2012 The peroxidase activity of Prx2 to scavenge H(2)O(2) was determined by a ferrithiocyanate assay. Hydrogen Peroxide 44-52 peroxiredoxin 2 Homo sapiens 27-31 22805285-5 2012 The peroxidase activity of Prx2 to scavenge H(2)O(2) was determined by a ferrithiocyanate assay. ferrithiocyanate 73-89 peroxiredoxin 2 Homo sapiens 27-31 22261619-7 2012 Interacting with peroxiredoxin 2 (Prdx2), amino-Nogo-A reduces reactive oxygen species (ROS) generation and extracellular signal-regulated kinase phosphorylation to exert neuroprotective effects. Reactive Oxygen Species 63-86 peroxiredoxin 2 Homo sapiens 17-32 22261619-7 2012 Interacting with peroxiredoxin 2 (Prdx2), amino-Nogo-A reduces reactive oxygen species (ROS) generation and extracellular signal-regulated kinase phosphorylation to exert neuroprotective effects. Reactive Oxygen Species 63-86 peroxiredoxin 2 Homo sapiens 34-39 22261619-7 2012 Interacting with peroxiredoxin 2 (Prdx2), amino-Nogo-A reduces reactive oxygen species (ROS) generation and extracellular signal-regulated kinase phosphorylation to exert neuroprotective effects. Reactive Oxygen Species 88-91 peroxiredoxin 2 Homo sapiens 17-32 22261619-7 2012 Interacting with peroxiredoxin 2 (Prdx2), amino-Nogo-A reduces reactive oxygen species (ROS) generation and extracellular signal-regulated kinase phosphorylation to exert neuroprotective effects. Reactive Oxygen Species 88-91 peroxiredoxin 2 Homo sapiens 34-39 22537912-2 2012 It is understood that the physiologically functional state of peroxiredoxin 2 is the monomer, and that its role in scavenging low levels of H(2)O(2) results in the formation of disulfide-linked dimers, which are reversibly reduced to monomers by the thioredoxin-thioredoxin reductase system. Hydrogen Peroxide 140-148 peroxiredoxin 2 Homo sapiens 62-77 22537912-2 2012 It is understood that the physiologically functional state of peroxiredoxin 2 is the monomer, and that its role in scavenging low levels of H(2)O(2) results in the formation of disulfide-linked dimers, which are reversibly reduced to monomers by the thioredoxin-thioredoxin reductase system. Disulfides 177-186 peroxiredoxin 2 Homo sapiens 62-77 21840697-8 2012 Of particular interest was the regulation of a number of proteins involved in stress response--peroxiredoxin-2, peroxiredoxin-3 and peroxiredoxin-6-all of which were shown to be down-regulated with H2O2 exposure. Hydrogen Peroxide 198-202 peroxiredoxin 2 Homo sapiens 95-110 21423689-5 2011 Proteins that showed increased expression levels upon Sal B treatment were vimentin, T-complex protein 1, protein disulfide isomerase, tropomyosin alpha, heat shock protein beta-1, UBX domain-containing protein 1, alpha enolase, and peroxiredoxin-2. salvianolic acid B 54-59 peroxiredoxin 2 Homo sapiens 233-248 22623418-7 2012 For example, the detoxification enzyme NQO1 was increased with treatment in both cell lines, while disparate members of the peroxiredoxin family, PRDX2 or PRDX5 and PRDX6, were elevated with 5-FU exposure in either SW480 or SW620, respectively. Fluorouracil 191-195 peroxiredoxin 2 Homo sapiens 124-137 22623418-7 2012 For example, the detoxification enzyme NQO1 was increased with treatment in both cell lines, while disparate members of the peroxiredoxin family, PRDX2 or PRDX5 and PRDX6, were elevated with 5-FU exposure in either SW480 or SW620, respectively. Fluorouracil 191-195 peroxiredoxin 2 Homo sapiens 146-151 22207736-4 2012 H3Ac was decreased at the PRDX2 gene promoter in AML, which correlated with low mRNA and protein expression. h3ac 0-4 peroxiredoxin 2 Homo sapiens 26-31 22207736-7 2012 Functionally, PRDX2 acted as inhibitor of myeloid cell growth by reducing levels of reactive oxygen species (ROS) generated in response to cytokines. Reactive Oxygen Species 84-107 peroxiredoxin 2 Homo sapiens 14-19 22207736-7 2012 Functionally, PRDX2 acted as inhibitor of myeloid cell growth by reducing levels of reactive oxygen species (ROS) generated in response to cytokines. Reactive Oxygen Species 109-112 peroxiredoxin 2 Homo sapiens 14-19 22207736-9 2012 Taken together, epigenome-wide analyses of H3Ac in AML led to the identification of PRDX2 as an epigenetically silenced growth suppressor, suggesting a possible role of ROS in the malignant phenotype in AML. h3ac 43-47 peroxiredoxin 2 Homo sapiens 84-89 22207736-9 2012 Taken together, epigenome-wide analyses of H3Ac in AML led to the identification of PRDX2 as an epigenetically silenced growth suppressor, suggesting a possible role of ROS in the malignant phenotype in AML. Reactive Oxygen Species 169-172 peroxiredoxin 2 Homo sapiens 84-89 22003971-9 2012 Anti-Prx 2-positive patients had significantly greater excretion of urinary 8-isoprostaglandin than did anti-Prx 2-negative patients. 8-isoprostaglandin 76-94 peroxiredoxin 2 Homo sapiens 5-10 22916248-11 2012 The mRNA profiler array showed more than 2-fold differential expression of 32 oxidative stress-related genes in unstimulated moDCs, including peroxiredoxin-2 (PRDX2), an enzyme reducing hydrogen peroxide and lipid peroxides. Hydrogen Peroxide 186-203 peroxiredoxin 2 Homo sapiens 142-157 22916248-11 2012 The mRNA profiler array showed more than 2-fold differential expression of 32 oxidative stress-related genes in unstimulated moDCs, including peroxiredoxin-2 (PRDX2), an enzyme reducing hydrogen peroxide and lipid peroxides. Hydrogen Peroxide 186-203 peroxiredoxin 2 Homo sapiens 159-164 22916248-11 2012 The mRNA profiler array showed more than 2-fold differential expression of 32 oxidative stress-related genes in unstimulated moDCs, including peroxiredoxin-2 (PRDX2), an enzyme reducing hydrogen peroxide and lipid peroxides. Lipid Peroxides 208-223 peroxiredoxin 2 Homo sapiens 142-157 22916248-11 2012 The mRNA profiler array showed more than 2-fold differential expression of 32 oxidative stress-related genes in unstimulated moDCs, including peroxiredoxin-2 (PRDX2), an enzyme reducing hydrogen peroxide and lipid peroxides. Lipid Peroxides 208-223 peroxiredoxin 2 Homo sapiens 159-164 22916248-13 2012 Silencing PRDX2 in moDCs by means of siRNA significantly increased CM-DCF fluorescence and cell death upon tert-BHP-stimulation. Pentostatin 70-73 peroxiredoxin 2 Homo sapiens 10-15 22916248-13 2012 Silencing PRDX2 in moDCs by means of siRNA significantly increased CM-DCF fluorescence and cell death upon tert-BHP-stimulation. tert-Butylhydroperoxide 107-115 peroxiredoxin 2 Homo sapiens 10-15 22916248-15 2012 Upregulation of PRDX2 is involved in the neutralization of ROS in moDCs. Reactive Oxygen Species 59-62 peroxiredoxin 2 Homo sapiens 16-21 22099303-3 2011 Here, we report that the VEGFR2 RTK has an oxidation-sensitive cysteine residue whose reduced state is preserved specifically by peroxiredoxin II (PrxII) in vascular endothelial cells. Cysteine 63-71 peroxiredoxin 2 Homo sapiens 129-145 22099303-3 2011 Here, we report that the VEGFR2 RTK has an oxidation-sensitive cysteine residue whose reduced state is preserved specifically by peroxiredoxin II (PrxII) in vascular endothelial cells. Cysteine 63-71 peroxiredoxin 2 Homo sapiens 147-152 21750082-4 2011 We exposed normal cells and K562 cells with silenced peroxiredoxin-2 to H(2)O(2) and generated a recombinant peroxiredoxin-2 for kinetic measurements in the presence of H(2)O(2) or hemin. Water 72-77 peroxiredoxin 2 Homo sapiens 53-68 21750082-5 2011 RESULTS: In beta-thalassemia the increased production of reactive oxygen species was associated with down-regulation of heme oxygenase-1 and biliverdin reductase and up-regulation of peroxiredoxin-2. Reactive Oxygen Species 57-80 peroxiredoxin 2 Homo sapiens 183-198 21750082-10 2011 We then showed that peroxiredoxin-2 binds heme in erythroid precursors with high affinity, suggesting a possible multifunctional cytoprotective role of peroxiredoxin-2 in beta-thalassemia. Heme 42-46 peroxiredoxin 2 Homo sapiens 20-35 21354257-5 2011 Interestingly, the 440 kDa complex contained both reduced and oxidized (disulphide-linked dimers) PrxII decamers. disulphide 72-82 peroxiredoxin 2 Homo sapiens 98-103 21209210-0 2011 Peroxiredoxin-2 protects against 6-hydroxydopamine-induced dopaminergic neurodegeneration via attenuation of the apoptosis signal-regulating kinase (ASK1) signaling cascade. Oxidopamine 33-50 peroxiredoxin 2 Homo sapiens 0-15 21209210-5 2011 Of the 2-cysteine PRXs that were tested in MN9D DA neurons, endogenous PRX2 was most beneficial to cell survival. 2-cysteine 7-17 peroxiredoxin 2 Homo sapiens 71-75 22189915-9 2012 In particular, based on the affinity purification approach, peroxiredoxin 2 was identified as a microglial target of obovatol. obovatol 117-125 peroxiredoxin 2 Homo sapiens 60-75 21805023-13 2011 PRDX2 and GSTP1 may play roles in compensating mechanisms for reduction of ROS stress, and SFN may play roles in prevention of cancer development in proliferating cells through G2/M cell cycle arrest upon accidental DNA damage within psoriatic skin lesions. Reactive Oxygen Species 75-78 peroxiredoxin 2 Homo sapiens 0-5 21385867-0 2011 Model for the exceptional reactivity of peroxiredoxins 2 and 3 with hydrogen peroxide: a kinetic and computational study. Hydrogen Peroxide 68-85 peroxiredoxin 2 Homo sapiens 40-62 21385867-2 2011 We present strong experimental evidence that two highly conserved arginine residues play a vital role in this activity of human Prx2 and Prx3. Arginine 66-74 peroxiredoxin 2 Homo sapiens 128-132 20980255-6 2011 However, inhibition of the mTORC2 cascade through the dual mTORC1/mTORC2 inhibitor Torin, or through rictor-targeted shRNA, resulted in a significant attenuation in PGE(2)-mediated chemotaxis, which was associated with a comparable decrease in actin polymerization. Dinoprostone 165-171 peroxiredoxin 2 Homo sapiens 83-88 20347000-0 2010 Formaldehyde induces apoptosis through decreased Prx 2 via p38 MAPK in lung epithelial cells. Formaldehyde 0-12 peroxiredoxin 2 Homo sapiens 49-54 20347000-12 2010 The FA-induced decrease in Prx 2 and increase in cell apoptosis was restored by treatment with SB203580 [a p38 mitogen activated protein kinase (MAPK) inhibitor], but not by SP600125 [a c-jun-N-terminal kinase (JNK) inhibitor]. SB 203580 95-103 peroxiredoxin 2 Homo sapiens 27-32 20840079-0 2010 Removal of amino acid, peptide and protein hydroperoxides by reaction with peroxiredoxins 2 and 3. Hydrogen Peroxide 43-57 peroxiredoxin 2 Homo sapiens 75-97 20840079-1 2010 Prxs (peroxiredoxins) are a ubiquitous family of cysteine-dependent peroxidases that react rapidly with H2O2 and alkyl hydroperoxides and provide defence against these reactive oxidants. Cysteine 49-57 peroxiredoxin 2 Homo sapiens 6-20 20840079-1 2010 Prxs (peroxiredoxins) are a ubiquitous family of cysteine-dependent peroxidases that react rapidly with H2O2 and alkyl hydroperoxides and provide defence against these reactive oxidants. Hydrogen Peroxide 104-108 peroxiredoxin 2 Homo sapiens 6-20 20840079-1 2010 Prxs (peroxiredoxins) are a ubiquitous family of cysteine-dependent peroxidases that react rapidly with H2O2 and alkyl hydroperoxides and provide defence against these reactive oxidants. alkyl hydroperoxides 113-133 peroxiredoxin 2 Homo sapiens 6-20 20840079-4 2010 Isolated Prx2, which is a cytosolic protein, and Prx3, which resides within mitochondria, were reacted with a selection of hydroperoxides generated by gamma-radiolysis or singlet oxygen, on free amino acids, peptides and proteins. Hydrogen Peroxide 123-137 peroxiredoxin 2 Homo sapiens 9-13 20840079-4 2010 Isolated Prx2, which is a cytosolic protein, and Prx3, which resides within mitochondria, were reacted with a selection of hydroperoxides generated by gamma-radiolysis or singlet oxygen, on free amino acids, peptides and proteins. Singlet Oxygen 171-185 peroxiredoxin 2 Homo sapiens 9-13 20840079-4 2010 Isolated Prx2, which is a cytosolic protein, and Prx3, which resides within mitochondria, were reacted with a selection of hydroperoxides generated by gamma-radiolysis or singlet oxygen, on free amino acids, peptides and proteins. Peptides 208-216 peroxiredoxin 2 Homo sapiens 9-13 20840079-7 2010 N-acetyl leucine hydroperoxides reacted with Prx2 with a rate constant of 4 x 10(4) M-1 s-1. n-acetyl leucine hydroperoxides 0-31 peroxiredoxin 2 Homo sapiens 45-49 20840079-10 2010 Addition of an uncharged derivative of leucine hydroperoxide to intact erythrocytes caused Prx2 oxidation with no concomitant loss in GSH, as did BSA hydroperoxide when added to concentrated erythrocyte lysate. leucine hydroperoxide 39-60 peroxiredoxin 2 Homo sapiens 91-95 20660758-4 2010 We show that erythrocytes can efficiently eliminate H(2)O(2) derived from urate oxidation to prevent cell injury in vitro; during therapy, disulfide-linked peroxiredoxin 2 dimer did not accumulate in red blood cells, indicating that their peroxidase capacity was not exceeded. Disulfides 139-148 peroxiredoxin 2 Homo sapiens 156-171 20823825-0 2010 [Torin (sertraline) in the treatment of depressive and obsessive-compulsive disorders in children]. Sertraline 8-18 peroxiredoxin 2 Homo sapiens 1-6 20823825-2 2010 Patients were treated with torin (sertraline) in dosage 25-50 mg daily during 4 weeks. Sertraline 34-44 peroxiredoxin 2 Homo sapiens 27-32 19666612-0 2009 The malarial parasite Plasmodium falciparum imports the human protein peroxiredoxin 2 for peroxide detoxification. Peroxides 90-98 peroxiredoxin 2 Homo sapiens 70-85 19716412-0 2009 Chloramines and hypochlorous acid oxidize erythrocyte peroxiredoxin 2. Chloramines 0-11 peroxiredoxin 2 Homo sapiens 54-69 19716412-0 2009 Chloramines and hypochlorous acid oxidize erythrocyte peroxiredoxin 2. Hypochlorous Acid 16-33 peroxiredoxin 2 Homo sapiens 54-69 19716412-1 2009 Peroxiredoxin 2 (Prx2) is an abundant thiol protein that is readily oxidized in erythrocytes exposed to hydrogen peroxide. Hydrogen Peroxide 104-121 peroxiredoxin 2 Homo sapiens 0-15 19716412-1 2009 Peroxiredoxin 2 (Prx2) is an abundant thiol protein that is readily oxidized in erythrocytes exposed to hydrogen peroxide. Hydrogen Peroxide 104-121 peroxiredoxin 2 Homo sapiens 17-21 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. Disulfides 23-32 peroxiredoxin 2 Homo sapiens 0-4 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. Hypochlorous Acid 49-53 peroxiredoxin 2 Homo sapiens 0-4 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. glycine chloramine 55-73 peroxiredoxin 2 Homo sapiens 0-4 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. glycine chloramine 75-80 peroxiredoxin 2 Homo sapiens 0-4 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. chloramine 87-101 peroxiredoxin 2 Homo sapiens 0-4 19716412-3 2009 Prx2 was oxidized to a disulfide-linked dimer by HOCl, glycine chloramine (GlyCl), and monochloramine (NH(2)Cl) in a dose-dependent manner. nh(2)cl 103-110 peroxiredoxin 2 Homo sapiens 0-4 19716412-5 2009 Second-order rate constants for the reactions of Prx2 with NH(2)Cl and GlyCl were 1.5 x 10(4) and 8 M(-1) s(-1), respectively. nh(2)cl 59-66 peroxiredoxin 2 Homo sapiens 49-53 19716412-5 2009 Second-order rate constants for the reactions of Prx2 with NH(2)Cl and GlyCl were 1.5 x 10(4) and 8 M(-1) s(-1), respectively. glycine chloramine 71-76 peroxiredoxin 2 Homo sapiens 49-53 19716412-6 2009 The NH(2)Cl value is approximately 10 times higher than that for GSH, whereas Prx2 is approximately 30 times less sensitive than GSH to GlyCl. glycine chloramine 136-141 peroxiredoxin 2 Homo sapiens 78-82 19716412-7 2009 Thus, the relative sensitivity of Prx2 to GlyCl is greater in the erythrocyte. glycine chloramine 42-47 peroxiredoxin 2 Homo sapiens 34-38 19716412-8 2009 Oxidation of erythrocyte Prx2 and GSH was less in the presence of glucose, probably because of recycling. Glucose 66-73 peroxiredoxin 2 Homo sapiens 25-29 19716412-9 2009 High doses of NH(2)Cl resulted in incomplete regeneration of reduced Prx2, suggesting impairment of the recycling mechanism. nh(2)cl 14-21 peroxiredoxin 2 Homo sapiens 69-73 19716412-10 2009 Our results show that, although HOCl and chloramines are less selective than H(2)O(2), they nevertheless oxidize Prx2. Hypochlorous Acid 32-36 peroxiredoxin 2 Homo sapiens 113-117 19716412-10 2009 Our results show that, although HOCl and chloramines are less selective than H(2)O(2), they nevertheless oxidize Prx2. Chloramines 41-52 peroxiredoxin 2 Homo sapiens 113-117 19720829-5 2009 RNA interference-mediated neuronal knockdown of Jafrac1 enhanced, while neuronal overexpression of Jafrac1 and hPrxII suppressed, paraquat-induced lethality in flies. Paraquat 130-138 peroxiredoxin 2 Homo sapiens 111-117 19666612-6 2009 hPrx-2 accounts for roughly 50% of thioredoxin peroxidase activity in parasite extracts, thus indicating a functional role of hPrx-2 as an enzymatic scavenger of peroxides in the parasite. Peroxides 162-171 peroxiredoxin 2 Homo sapiens 0-6 19666612-6 2009 hPrx-2 accounts for roughly 50% of thioredoxin peroxidase activity in parasite extracts, thus indicating a functional role of hPrx-2 as an enzymatic scavenger of peroxides in the parasite. Peroxides 162-171 peroxiredoxin 2 Homo sapiens 126-132 19666612-7 2009 Under chloroquine treatment, a drug promoting oxidative stress, the abundance of hPrx-2 in the parasite increases significantly. Chloroquine 6-17 peroxiredoxin 2 Homo sapiens 81-87 19375361-0 2009 Linkage of cytosolic peroxiredoxin 2 to erythrocyte membrane imposed by hydrogen peroxide-induced oxidative stress. Hydrogen Peroxide 72-89 peroxiredoxin 2 Homo sapiens 21-36 18682255-8 2009 Smaller effects were also seen for one-carbon metabolism genes choline dehydrogenase (CHDH) (rs9001, rs7626693) and 5-methyltetrahydrofolate-homocysteine methyltransferase reductase (MTRR) (rs1801394) and genes involved in reduction reactions, glutaredoxin (GLRX) (rs3822751) and peroxiredoxin 2 (PRDX2) (rs10427027, rs12151144). Carbon 39-45 peroxiredoxin 2 Homo sapiens 280-295 18682255-8 2009 Smaller effects were also seen for one-carbon metabolism genes choline dehydrogenase (CHDH) (rs9001, rs7626693) and 5-methyltetrahydrofolate-homocysteine methyltransferase reductase (MTRR) (rs1801394) and genes involved in reduction reactions, glutaredoxin (GLRX) (rs3822751) and peroxiredoxin 2 (PRDX2) (rs10427027, rs12151144). Carbon 39-45 peroxiredoxin 2 Homo sapiens 297-302 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. 2-cys 54-59 peroxiredoxin 2 Homo sapiens 18-33 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. 2-cys 54-59 peroxiredoxin 2 Homo sapiens 35-39 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. Sulfhydryl Compounds 89-94 peroxiredoxin 2 Homo sapiens 18-33 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. Sulfhydryl Compounds 89-94 peroxiredoxin 2 Homo sapiens 35-39 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. Hydrogen Peroxide 105-122 peroxiredoxin 2 Homo sapiens 18-33 19375361-1 2009 Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. Hydrogen Peroxide 105-122 peroxiredoxin 2 Homo sapiens 35-39 19375361-7 2009 Prx2 linkage to the membrane also rose with increasing H(2)O(2) concentration, and was only observed when the oxidized form of the enzyme was present in the cytosol. Hydrogen Peroxide 55-63 peroxiredoxin 2 Homo sapiens 0-4 19286652-9 2009 A comparative study of non-N(alpha)-acetylated and N(alpha)-terminal acetylated Prx II revealed that N(alpha)-Ac of Prx II induces a significant shift in the circular dichroism spectrum and elevation of T(m) from 59.6 to 70.9 degrees C. These findings suggest that the structural maintenance of Prx II by N(alpha)-Ac may be responsible for preventing its hyperoxidation to form C(P)-SO(3)H. n(alpha)-ac 101-112 peroxiredoxin 2 Homo sapiens 80-86 19151395-0 2009 Nipradilol and timolol induce Foxo3a and peroxiredoxin 2 expression and protect trabecular meshwork cells from oxidative stress. nipradilol 0-10 peroxiredoxin 2 Homo sapiens 41-56 19151395-0 2009 Nipradilol and timolol induce Foxo3a and peroxiredoxin 2 expression and protect trabecular meshwork cells from oxidative stress. Timolol 15-22 peroxiredoxin 2 Homo sapiens 41-56 19151395-7 2009 Nipradilol and timolol, but not latanoprost, induce the expression of peroxiredoxin 2 through the activation of the Foxo3a transcription factor. nipradilol 0-10 peroxiredoxin 2 Homo sapiens 70-85 19151395-7 2009 Nipradilol and timolol, but not latanoprost, induce the expression of peroxiredoxin 2 through the activation of the Foxo3a transcription factor. Timolol 15-22 peroxiredoxin 2 Homo sapiens 70-85 18491044-6 2008 Peroxiredoxin 2 expression was also induced in vivo and in vitro by ethanol. Ethanol 68-75 peroxiredoxin 2 Homo sapiens 0-15 19061854-1 2009 Peroxiredoxin 2 (Prx2) is a 2-Cys peroxiredoxin extremely abundant in the erythrocyte. 2-cys peroxiredoxin 28-47 peroxiredoxin 2 Homo sapiens 0-15 19061854-1 2009 Peroxiredoxin 2 (Prx2) is a 2-Cys peroxiredoxin extremely abundant in the erythrocyte. 2-cys peroxiredoxin 28-47 peroxiredoxin 2 Homo sapiens 17-21 18491044-7 2008 Although ethanol and PACAP exert opposite effects on caspase-3 activity, inhibition of peroxiredoxin 2 expression, using siRNAs, only reduced the ability of PACAP to prevent ethanol-induced caspase-3 activity. Ethanol 174-181 peroxiredoxin 2 Homo sapiens 87-102 18718523-0 2008 Decreasing peroxiredoxin II expression decreases glutathione, alters cell cycle distribution, and sensitizes glioma cells to ionizing radiation and H(2)O(2). Glutathione 49-60 peroxiredoxin 2 Homo sapiens 11-27 18718523-6 2008 Analysis of the redox environment revealed that decreasing Prx II increased intracellular reactive oxygen species in 36B10 cells; extracellular levels of H(2)O(2) were also increased in both C6 and 36B10 cells. Reactive Oxygen Species 90-113 peroxiredoxin 2 Homo sapiens 59-65 18718523-7 2008 Treatment with H(2)O(2) led to a further elevation in intracellular reactive oxygen species in cells where Prx II was decreased. Hydrogen Peroxide 15-23 peroxiredoxin 2 Homo sapiens 107-113 18718523-7 2008 Treatment with H(2)O(2) led to a further elevation in intracellular reactive oxygen species in cells where Prx II was decreased. Reactive Oxygen Species 68-91 peroxiredoxin 2 Homo sapiens 107-113 18718523-9 2008 Furthermore, lowering Prx II expression decreased intracellular glutathione and resulted in a significant decline in glutathione reductase activity, suggesting a possible mechanism for the observed increased sensitivity to oxidative insults. Glutathione 64-75 peroxiredoxin 2 Homo sapiens 22-28 18387321-5 2008 Human erythrocyte Prx2 is a peroxiredoxin with thiol-specific antioxidant activity. Sulfhydryl Compounds 47-52 peroxiredoxin 2 Homo sapiens 18-22 18578994-4 2008 Furthermore, dichlorodihydrofluorescein diacetate (DCFH-DA) and thiobarbituric acid (TBA) assays, for measuring the products of oxidative reaction, such as the reactive oxygen species (ROS) and malondialdehyde (MDA), were applied to explore whether the antioxidant mechanism was involved in the effects of PrxII functioning on Hep3B cell. Reactive Oxygen Species 160-183 peroxiredoxin 2 Homo sapiens 306-311 18578994-8 2008 The levels of endogenous ROS and MDA were significantly higher in the two PrxII-silent groups than those in the mock and blank control groups (P less than 0.05). Reactive Oxygen Species 25-28 peroxiredoxin 2 Homo sapiens 74-79 17964282-3 2007 Valsartan, a selective Ang II type 1 (AT1) receptor blocker, and N-acetylcysteine, an antioxidant, inhibited both of these modifications, indicating the contribution of AT1 receptor and reactive oxygen species to oxidation of Prx2 and phosphorylation of GRP58 by Ang II. Valsartan 0-9 peroxiredoxin 2 Homo sapiens 226-230 18833106-1 2008 Zoloft (sertraline) is an original antidepressant of "Pfizer", torin is a generic form of sertraline of Veropharm. Sertraline 90-100 peroxiredoxin 2 Homo sapiens 63-68 17964282-3 2007 Valsartan, a selective Ang II type 1 (AT1) receptor blocker, and N-acetylcysteine, an antioxidant, inhibited both of these modifications, indicating the contribution of AT1 receptor and reactive oxygen species to oxidation of Prx2 and phosphorylation of GRP58 by Ang II. Acetylcysteine 65-81 peroxiredoxin 2 Homo sapiens 226-230 17964282-3 2007 Valsartan, a selective Ang II type 1 (AT1) receptor blocker, and N-acetylcysteine, an antioxidant, inhibited both of these modifications, indicating the contribution of AT1 receptor and reactive oxygen species to oxidation of Prx2 and phosphorylation of GRP58 by Ang II. Reactive Oxygen Species 186-209 peroxiredoxin 2 Homo sapiens 226-230 17163455-8 2007 In addition, we found that Prx I and II transfection enabled MCF10A cells to resist H2O2-induced cell death. Hydrogen Peroxide 84-88 peroxiredoxin 2 Homo sapiens 27-39 18022079-6 2007 RESULTS: Among 11 differentially expressed proteins, we identified 2 locally produced factors: peroxiredoxin II (PRXII), exclusively expressed in BOS; and surfactant protein A (SP-A), expressed consistently less in BOS patients than in stable LTRs. N-[4-(Aminosulfonyl)phenyl]-2-Mercaptobenzamide 146-149 peroxiredoxin 2 Homo sapiens 95-111 18022079-6 2007 RESULTS: Among 11 differentially expressed proteins, we identified 2 locally produced factors: peroxiredoxin II (PRXII), exclusively expressed in BOS; and surfactant protein A (SP-A), expressed consistently less in BOS patients than in stable LTRs. N-[4-(Aminosulfonyl)phenyl]-2-Mercaptobenzamide 146-149 peroxiredoxin 2 Homo sapiens 113-118 18003920-3 2007 Here we report that Prx2 is S-nitrosylated (forming SNO-Prx2) by reaction with nitric oxide at two critical cysteine residues (C51 and C172), preventing its reaction with peroxides. Nitric Oxide 79-91 peroxiredoxin 2 Homo sapiens 20-24 18003920-3 2007 Here we report that Prx2 is S-nitrosylated (forming SNO-Prx2) by reaction with nitric oxide at two critical cysteine residues (C51 and C172), preventing its reaction with peroxides. Nitric Oxide 79-91 peroxiredoxin 2 Homo sapiens 56-60 18003920-3 2007 Here we report that Prx2 is S-nitrosylated (forming SNO-Prx2) by reaction with nitric oxide at two critical cysteine residues (C51 and C172), preventing its reaction with peroxides. Cysteine 108-116 peroxiredoxin 2 Homo sapiens 20-24 18003920-3 2007 Here we report that Prx2 is S-nitrosylated (forming SNO-Prx2) by reaction with nitric oxide at two critical cysteine residues (C51 and C172), preventing its reaction with peroxides. Cysteine 108-116 peroxiredoxin 2 Homo sapiens 56-60 18003920-3 2007 Here we report that Prx2 is S-nitrosylated (forming SNO-Prx2) by reaction with nitric oxide at two critical cysteine residues (C51 and C172), preventing its reaction with peroxides. Peroxides 171-180 peroxiredoxin 2 Homo sapiens 20-24 17692604-5 2007 Three of the proteins belong to the Peroxiredoxin family of hydroperoxide scavengers, PrxI, PrxII, and Prx VI, that showed changes in their pI as result of hyperoxidation. Hydrogen Peroxide 60-73 peroxiredoxin 2 Homo sapiens 92-97 17292933-8 2007 Quercetin inhibited both BaP-mediated effects on Prx I and II in 22Rv1 cells. Quercetin 0-9 peroxiredoxin 2 Homo sapiens 49-61 17329258-0 2007 The high reactivity of peroxiredoxin 2 with H(2)O(2) is not reflected in its reaction with other oxidants and thiol reagents. Hydrogen Peroxide 44-52 peroxiredoxin 2 Homo sapiens 23-38 17329258-0 2007 The high reactivity of peroxiredoxin 2 with H(2)O(2) is not reflected in its reaction with other oxidants and thiol reagents. Sulfhydryl Compounds 110-115 peroxiredoxin 2 Homo sapiens 23-38 17329258-1 2007 Peroxiredoxin 2 is a member of the mammalian peroxiredoxin family of thiol proteins that is important in antioxidant defense and redox signaling. Sulfhydryl Compounds 69-74 peroxiredoxin 2 Homo sapiens 0-15 17329258-3 2007 Human erythrocyte peroxiredoxin 2 was oxidized stoichiometrically to its disulfide-bonded homodimer by hydrogen peroxide, as monitored electrophoretically under nonreducing conditions. Disulfides 73-82 peroxiredoxin 2 Homo sapiens 18-33 17329258-3 2007 Human erythrocyte peroxiredoxin 2 was oxidized stoichiometrically to its disulfide-bonded homodimer by hydrogen peroxide, as monitored electrophoretically under nonreducing conditions. Hydrogen Peroxide 103-120 peroxiredoxin 2 Homo sapiens 18-33 17329258-6 2007 Experiments measuring inhibition of dimerization indicated that at pH 7.4 catalase and peroxiredoxin 2 react with hydrogen peroxide at comparable rates. Hydrogen Peroxide 114-131 peroxiredoxin 2 Homo sapiens 87-102 17329258-12 2007 The alkylating agent iodoacetamide also reacted extremely slowly with peroxiredoxin 2. Iodoacetamide 21-34 peroxiredoxin 2 Homo sapiens 70-85 17329258-13 2007 These results demonstrate that peroxiredoxin 2 has a tertiary structure that facilitates reaction of the active site thiol with hydrogen peroxide while restricting its reactivity with other thiol reagents. Sulfhydryl Compounds 117-122 peroxiredoxin 2 Homo sapiens 31-46 17329258-13 2007 These results demonstrate that peroxiredoxin 2 has a tertiary structure that facilitates reaction of the active site thiol with hydrogen peroxide while restricting its reactivity with other thiol reagents. Hydrogen Peroxide 128-145 peroxiredoxin 2 Homo sapiens 31-46 17329258-13 2007 These results demonstrate that peroxiredoxin 2 has a tertiary structure that facilitates reaction of the active site thiol with hydrogen peroxide while restricting its reactivity with other thiol reagents. Sulfhydryl Compounds 190-195 peroxiredoxin 2 Homo sapiens 31-46 17522728-12 2007 Finally, most membrane proteins of cryopreserved red blood cells were similar to the membrane proteins of fresh red blood cells, but trehalose can result in loss of glyceraldehyde phosphate dehydrogenase (GAPD) and peroxiredoxin 2. Trehalose 133-142 peroxiredoxin 2 Homo sapiens 215-230 21136693-7 2007 Further biochemical studies demonstrated that AE enhanced the intracellular level of reactive oxygen species and oxidation of PRDX-2, -4, and DJ-1. aloe emodin 46-48 peroxiredoxin 2 Homo sapiens 126-132 17105810-0 2007 Peroxiredoxin 2 functions as a noncatalytic scavenger of low-level hydrogen peroxide in the erythrocyte. Hydrogen Peroxide 67-84 peroxiredoxin 2 Homo sapiens 0-15 17105810-3 2007 In contrast to Prx2 in Jurkat T lymphocytes, Prx2 was resistant to overoxidation (oxidation of the cysteine thiol to a sulfinic/sulfonic acid) in erythrocytes. cysteine thiol 99-113 peroxiredoxin 2 Homo sapiens 45-49 17105810-3 2007 In contrast to Prx2 in Jurkat T lymphocytes, Prx2 was resistant to overoxidation (oxidation of the cysteine thiol to a sulfinic/sulfonic acid) in erythrocytes. sulfinic/sulfonic acid 119-141 peroxiredoxin 2 Homo sapiens 45-49 17105810-7 2007 We also found that Prx2 was oxidized by endogenously generated H(2)O(2), which was mainly derived from hemoglobin autoxidation. Hydrogen Peroxide 63-71 peroxiredoxin 2 Homo sapiens 19-23 17105810-8 2007 Our results demonstrate that in the erythrocyte Prx2 is extremely efficient at scavenging H(2)O(2) noncatalytically. Hydrogen Peroxide 90-98 peroxiredoxin 2 Homo sapiens 48-52 16690325-6 2007 The deduced amino acids of the two genes are highly homologous with mammalian NKEF-A and NKEF-B proteins, including two well conserved Val-Cys-Pro (VCP) motifs. Val-Cys-Pro 135-146 peroxiredoxin 2 Homo sapiens 89-95 17145963-4 2006 In contrast, H2O2-dependent cell cycle arrest was correlated with hyperoxidation of PrxII, which resulted in quantitative recruitment of approximately 66- and approximately 140-kD PrxII complexes into large filamentous oligomers. Hydrogen Peroxide 13-17 peroxiredoxin 2 Homo sapiens 84-89 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. Carbon 148-154 peroxiredoxin 2 Homo sapiens 45-60 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. Carbon 148-154 peroxiredoxin 2 Homo sapiens 62-67 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. ammonium molybdate 189-207 peroxiredoxin 2 Homo sapiens 45-60 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. ammonium molybdate 189-207 peroxiredoxin 2 Homo sapiens 62-67 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. Polyethylene Glycols 212-231 peroxiredoxin 2 Homo sapiens 45-60 16839769-1 2007 The production of a higher-order assembly of peroxiredoxin-2 (Prx-2) from human erythrocytes has been achieved during specimen preparation on holey carbon support films, in the presence of ammonium molybdate and polyethylene glycol. Polyethylene Glycols 212-231 peroxiredoxin 2 Homo sapiens 62-67 17145963-4 2006 In contrast, H2O2-dependent cell cycle arrest was correlated with hyperoxidation of PrxII, which resulted in quantitative recruitment of approximately 66- and approximately 140-kD PrxII complexes into large filamentous oligomers. Hydrogen Peroxide 13-17 peroxiredoxin 2 Homo sapiens 180-185 15941719-1 2005 Although biochemical properties of 2-Cys peroxiredoxins (Prxs) have been extensively studied, their real physiological functions in higher eukaryotic cells remain obscure and certainly warrant further study. 2-cys 35-40 peroxiredoxin 2 Homo sapiens 41-55 16597467-0 2006 2-Cys Peroxiredoxin TPx-1 is involved in gametocyte development in Plasmodium berghei. 2-cys 0-5 peroxiredoxin 2 Homo sapiens 20-25 16178011-0 2006 Elucidation of ATP-stimulated stress protein expression of RBA-2 type-2 astrocytes: ATP potentiate HSP60 and Cu/Zn SOD expression and stimulates pI shift of peroxiredoxin II. Adenosine Triphosphate 15-18 peroxiredoxin 2 Homo sapiens 157-173 16178011-0 2006 Elucidation of ATP-stimulated stress protein expression of RBA-2 type-2 astrocytes: ATP potentiate HSP60 and Cu/Zn SOD expression and stimulates pI shift of peroxiredoxin II. Adenosine Triphosphate 84-87 peroxiredoxin 2 Homo sapiens 157-173 16178011-9 2006 ATP and exogenous H2O2 stimulated Prx II shifting from oxidized form to reduced form. Adenosine Triphosphate 0-3 peroxiredoxin 2 Homo sapiens 34-40 16178011-9 2006 ATP and exogenous H2O2 stimulated Prx II shifting from oxidized form to reduced form. Hydrogen Peroxide 18-22 peroxiredoxin 2 Homo sapiens 34-40 16288023-7 2005 The up-regulation of the PrxII protein in radioresistant cancer cells suggested that human peroxiredoxin plays an important role in eliminating the generation of reactive oxygen species by ionizing radiation. Reactive Oxygen Species 162-185 peroxiredoxin 2 Homo sapiens 25-30 16288023-8 2005 The present finding, together with the observation that PrxII is also up-regulated in response to ionizing radiation in other cell systems, strengthens the hypothesis that the PrxII antioxidant protein is involved in the cellular response to ionizing radiation and functions to reduce the intracellular reactive oxygen species levels, resulting in increased resistance of breast cancer cells to ionizing radiation. Reactive Oxygen Species 303-326 peroxiredoxin 2 Homo sapiens 56-61 16288023-8 2005 The present finding, together with the observation that PrxII is also up-regulated in response to ionizing radiation in other cell systems, strengthens the hypothesis that the PrxII antioxidant protein is involved in the cellular response to ionizing radiation and functions to reduce the intracellular reactive oxygen species levels, resulting in increased resistance of breast cancer cells to ionizing radiation. Reactive Oxygen Species 303-326 peroxiredoxin 2 Homo sapiens 176-181 16307478-2 2005 As novel electron acceptor of reduced TPx1, we characterised peroxynitrite; the rate constant for ONOO- reduction by the enzyme (1 x 10(6) M(-1) s(-1) at pH 7.4 and 37 degrees C) was determined by stopped-flow measurements. onoo 98-102 peroxiredoxin 2 Homo sapiens 38-42 16307478-6 2005 For the catalytic cycle of TPx1, we conclude that oxidation of the peroxidatic Cys50 by the oxidising substrate is followed by the formation of an intermolecular disulfide bond between Cys50 and Cys170" of the second subunit, which is then attacked by an external electron donor such as thioredoxin or plasmoredoxin. Disulfides 162-171 peroxiredoxin 2 Homo sapiens 27-31 16932348-6 2006 Reduced expression of PRDX2 validated at the mRNA and protein level, in topo IIbeta-deficient cells correlated with increased accumulation of reactive oxygen species (ROS) following ATRA-induced differentiation. Reactive Oxygen Species 142-165 peroxiredoxin 2 Homo sapiens 22-27 16932348-6 2006 Reduced expression of PRDX2 validated at the mRNA and protein level, in topo IIbeta-deficient cells correlated with increased accumulation of reactive oxygen species (ROS) following ATRA-induced differentiation. Reactive Oxygen Species 167-170 peroxiredoxin 2 Homo sapiens 22-27 16932348-6 2006 Reduced expression of PRDX2 validated at the mRNA and protein level, in topo IIbeta-deficient cells correlated with increased accumulation of reactive oxygen species (ROS) following ATRA-induced differentiation. Tretinoin 182-186 peroxiredoxin 2 Homo sapiens 22-27 16932348-7 2006 Overexpression of PRDX2 in topo IIbeta-deficient cells led to reduced accumulation of ROS and partially reversed ATRA-induced apoptosis. Reactive Oxygen Species 86-89 peroxiredoxin 2 Homo sapiens 18-23 16932348-7 2006 Overexpression of PRDX2 in topo IIbeta-deficient cells led to reduced accumulation of ROS and partially reversed ATRA-induced apoptosis. Tretinoin 113-117 peroxiredoxin 2 Homo sapiens 18-23 16932348-10 2006 Thus, suppression of topo IIbeta and/or PRDX2 levels in myeloid leukemia cells provides a novel approach for improving ATRA-based differentiation therapy. Tretinoin 119-123 peroxiredoxin 2 Homo sapiens 40-45 16307478-1 2005 Thioredoxin peroxidase 1 (TPx1) of the malarial parasite Plasmodium falciparum is a 2-Cys peroxiredoxin involved in the detoxification of reactive oxygen species and - as shown here - of reactive nitrogen species. 2-cys peroxiredoxin 84-103 peroxiredoxin 2 Homo sapiens 26-30 16307478-1 2005 Thioredoxin peroxidase 1 (TPx1) of the malarial parasite Plasmodium falciparum is a 2-Cys peroxiredoxin involved in the detoxification of reactive oxygen species and - as shown here - of reactive nitrogen species. Reactive Oxygen Species 138-161 peroxiredoxin 2 Homo sapiens 26-30 16307478-1 2005 Thioredoxin peroxidase 1 (TPx1) of the malarial parasite Plasmodium falciparum is a 2-Cys peroxiredoxin involved in the detoxification of reactive oxygen species and - as shown here - of reactive nitrogen species. Reactive Nitrogen Species 187-212 peroxiredoxin 2 Homo sapiens 26-30 16307478-2 2005 As novel electron acceptor of reduced TPx1, we characterised peroxynitrite; the rate constant for ONOO- reduction by the enzyme (1 x 10(6) M(-1) s(-1) at pH 7.4 and 37 degrees C) was determined by stopped-flow measurements. Peroxynitrous Acid 61-74 peroxiredoxin 2 Homo sapiens 38-42 15941719-2 2005 Here we demonstrated that human (h) PrxII, a cytosolic isotype of human 2-Cys Prx, has dual functions as a peroxidase and a molecular chaperone, and that these different functions are closely associated with its adoption of distinct protein structures. 2-cys 72-77 peroxiredoxin 2 Homo sapiens 36-41 15801906-8 2005 At 20 microM H2O2, changes were fewer, but GAPDH and peroxiredoxin 2 were still modified. Hydrogen Peroxide 13-17 peroxiredoxin 2 Homo sapiens 53-68 15977174-9 2005 Peroxiredoxin II (Prx II), a protein that is involved in eliminating reactive oxygen species (ROS), showed increased expression intensity in p53Y220S fibroblasts after DX treatment, as observed by two-dimensional electrophoresis analysis. Reactive Oxygen Species 69-92 peroxiredoxin 2 Homo sapiens 18-24 16045763-0 2005 Peroxiredoxin II functions as a signal terminator for H2O2-activated phospholipase D1. Hydrogen Peroxide 54-58 peroxiredoxin 2 Homo sapiens 0-16 16045763-4 2005 A novel interaction with peroxiredoxin II (PrxII), an enzyme that eliminates cellular H2O2, which is a known stimulator of PLD1, was identified by PLD1-affinity pull-down and MS. PMA stimulation was confirmed to promote physical interaction between PLD1 and PrxII and to cause PLD1 and PrxII to colocalize subcellularly. Hydrogen Peroxide 86-90 peroxiredoxin 2 Homo sapiens 25-41 16045763-4 2005 A novel interaction with peroxiredoxin II (PrxII), an enzyme that eliminates cellular H2O2, which is a known stimulator of PLD1, was identified by PLD1-affinity pull-down and MS. PMA stimulation was confirmed to promote physical interaction between PLD1 and PrxII and to cause PLD1 and PrxII to colocalize subcellularly. Hydrogen Peroxide 86-90 peroxiredoxin 2 Homo sapiens 43-48 16045763-4 2005 A novel interaction with peroxiredoxin II (PrxII), an enzyme that eliminates cellular H2O2, which is a known stimulator of PLD1, was identified by PLD1-affinity pull-down and MS. PMA stimulation was confirmed to promote physical interaction between PLD1 and PrxII and to cause PLD1 and PrxII to colocalize subcellularly. Hydrogen Peroxide 86-90 peroxiredoxin 2 Homo sapiens 258-263 16045763-4 2005 A novel interaction with peroxiredoxin II (PrxII), an enzyme that eliminates cellular H2O2, which is a known stimulator of PLD1, was identified by PLD1-affinity pull-down and MS. PMA stimulation was confirmed to promote physical interaction between PLD1 and PrxII and to cause PLD1 and PrxII to colocalize subcellularly. Hydrogen Peroxide 86-90 peroxiredoxin 2 Homo sapiens 258-263 16045763-5 2005 Functional significance of the interaction was suggested by the observation that over-expression of PrxII specifically reduces the response of PLD1 to stimulation by H2O2. Hydrogen Peroxide 166-170 peroxiredoxin 2 Homo sapiens 100-105 16045763-6 2005 These results indicate that PrxII may have a signal-terminating role for PLD1 by being recruited to sites containing activated PLD1 after cellular stimulation involving production of H2O2. Hydrogen Peroxide 183-187 peroxiredoxin 2 Homo sapiens 28-33 15977174-9 2005 Peroxiredoxin II (Prx II), a protein that is involved in eliminating reactive oxygen species (ROS), showed increased expression intensity in p53Y220S fibroblasts after DX treatment, as observed by two-dimensional electrophoresis analysis. Reactive Oxygen Species 94-97 peroxiredoxin 2 Homo sapiens 18-24 15936593-3 2005 We found most extensive and reproducible down-regulation of NADP dependent isocitrate dehydrogenase cytoplasmic (IDPc) and peroxiredoxin-II (Prx-II), in poorly differentiated T24 compared to well-differentiated RT4 bladder cancer cell line. NADP 60-64 peroxiredoxin 2 Homo sapiens 141-147 16188094-0 2005 [Identification of protein peroxiredoxin 2 related to crystalline NiS-induced neoplastic transformation]. Nickel 66-69 peroxiredoxin 2 Homo sapiens 27-42 16188094-6 2005 CONCLUSION: PDX2 was involved in malignant transformation of human bronchial epithelial cell induced by crystalline nickel sulfide. nickel sulfide 116-130 peroxiredoxin 2 Homo sapiens 12-16 15902258-2 2005 Mammalian 2-Cys peroxiredoxin type II (Prx II; gene symbol Prdx2) is a cellular peroxidase that eliminates endogenous H2O2 produced in response to growth factors such as PDGF and epidermal growth factor; however, its involvement in growth factor signalling is largely unknown. 2-cys 10-15 peroxiredoxin 2 Homo sapiens 16-45 15902258-2 2005 Mammalian 2-Cys peroxiredoxin type II (Prx II; gene symbol Prdx2) is a cellular peroxidase that eliminates endogenous H2O2 produced in response to growth factors such as PDGF and epidermal growth factor; however, its involvement in growth factor signalling is largely unknown. 2-cys 10-15 peroxiredoxin 2 Homo sapiens 59-64 15902258-2 2005 Mammalian 2-Cys peroxiredoxin type II (Prx II; gene symbol Prdx2) is a cellular peroxidase that eliminates endogenous H2O2 produced in response to growth factors such as PDGF and epidermal growth factor; however, its involvement in growth factor signalling is largely unknown. Hydrogen Peroxide 118-122 peroxiredoxin 2 Homo sapiens 16-45 15902258-2 2005 Mammalian 2-Cys peroxiredoxin type II (Prx II; gene symbol Prdx2) is a cellular peroxidase that eliminates endogenous H2O2 produced in response to growth factors such as PDGF and epidermal growth factor; however, its involvement in growth factor signalling is largely unknown. Hydrogen Peroxide 118-122 peroxiredoxin 2 Homo sapiens 59-64 15788230-7 2005 Three of these proteins belong to the Peroxiredoxin family of hydroperoxide scavengers, namely PrxI, PrxII and PrxVI, that showed changes in their pI as result of overoxidation. Hydrogen Peroxide 62-75 peroxiredoxin 2 Homo sapiens 101-106 11877442-4 2002 In its disulfide form, the 13-kDa protein thioredoxin-2 is a substrate of thioredoxin reductase-1 (K(m) = 5.2 microm, k(cat) = 14.5 s(-1)) and in its dithiol form, an electron donor for TPx-1 (K(m) = 9 microm, k(cat) = 5.4 s(-1)). Disulfides 7-16 peroxiredoxin 2 Homo sapiens 186-191 11904290-4 2002 Peroxiredoxins are enzymes catalyzing the destruction of peroxides. Peroxides 57-66 peroxiredoxin 2 Homo sapiens 0-14 11904290-6 2002 Cellular thiols (e.g. thioredoxin) are used to regenerate the peroxiredoxins to their active state. Sulfhydryl Compounds 9-15 peroxiredoxin 2 Homo sapiens 62-76 11904290-9 2002 This strongly suggested that peroxiredoxins behave as a dam upon oxidative stress, being both important peroxide-destroying enzymes and peroxide targets. Peroxides 104-112 peroxiredoxin 2 Homo sapiens 29-43 11904290-9 2002 This strongly suggested that peroxiredoxins behave as a dam upon oxidative stress, being both important peroxide-destroying enzymes and peroxide targets. Peroxides 136-144 peroxiredoxin 2 Homo sapiens 29-43 12960131-9 2003 CONCLUSIONS: In conclusion, we found that expression of peroxiredoxins, especially III, IV and V, is increased in breast malignancy, suggesting the induction of Prxs as response to increased production of reactive oxygen species in carcinomatous tissue. Reactive Oxygen Species 205-228 peroxiredoxin 2 Homo sapiens 56-70 12515392-1 2002 Peroxiredoxin II (Prx II) is known not only to protect cells from oxidative damage caused by hydrogen peroxide (H202), but also to endow cancer cells with resistance to both H202 and cisplatin and to grant them radioresistance. Hydrogen Peroxide 93-110 peroxiredoxin 2 Homo sapiens 18-24 12515392-1 2002 Peroxiredoxin II (Prx II) is known not only to protect cells from oxidative damage caused by hydrogen peroxide (H202), but also to endow cancer cells with resistance to both H202 and cisplatin and to grant them radioresistance. h202 112-116 peroxiredoxin 2 Homo sapiens 18-24 12515392-1 2002 Peroxiredoxin II (Prx II) is known not only to protect cells from oxidative damage caused by hydrogen peroxide (H202), but also to endow cancer cells with resistance to both H202 and cisplatin and to grant them radioresistance. Cisplatin 183-192 peroxiredoxin 2 Homo sapiens 18-24 12515392-2 2002 In this study, we examined whether Prx II antisense could enhance cisplatin-induced cell death. Cisplatin 66-75 peroxiredoxin 2 Homo sapiens 35-41 12515392-3 2002 When gastric cancer cells were transfected with various concentrations of Prx II antisense plasmid, pPrxII/AS, and then treated with the same concentrations of cisplatin, Prx II antisense enhanced cisplatin-induced cell death. Cisplatin 197-206 peroxiredoxin 2 Homo sapiens 74-80 12515392-3 2002 When gastric cancer cells were transfected with various concentrations of Prx II antisense plasmid, pPrxII/AS, and then treated with the same concentrations of cisplatin, Prx II antisense enhanced cisplatin-induced cell death. Cisplatin 197-206 peroxiredoxin 2 Homo sapiens 171-177 12515392-4 2002 The combination index (CI) at all doses of the combination was below 1, indicating that Prx II antisense sensitized cisplatin-induced cell death. Cisplatin 116-125 peroxiredoxin 2 Homo sapiens 88-94 12515392-6 2002 Our present results, therefore, suggest that Prx II antisense would be a very good sensitizer for cisplatin, and that Prx II as a target for chemosensitizers constitutes a promising avenue for future research. Cisplatin 98-107 peroxiredoxin 2 Homo sapiens 45-51 11469800-0 2001 Thioredoxin peroxidase-1 (peroxiredoxin-1) is increased in thioredoxin-1 transfected cells and results in enhanced protection against apoptosis caused by hydrogen peroxide but not by other agents including dexamethasone, etoposide, and doxorubicin. Dexamethasone 206-219 peroxiredoxin 2 Homo sapiens 0-24 11697128-1 2001 We previously found hydroperoxide-responsive proteins (HPRPs), which are comprised of peroxiredoxin I (Prx I), Prx II, Prx III, Prx VI, HSP27, G3PDH and two unidentified proteins (HPRP-2" and HPRP-5"), in human umbilical vein endothelial cells. Hydrogen Peroxide 20-33 peroxiredoxin 2 Homo sapiens 111-117 11390385-9 2001 hCyP-A supported antioxidant activity of Prx II and Prx VI both against thiol (dithiothreitol)-containing metal-catalyzed oxidation (MCO) systems and ascorbate-containing MCO systems. Sulfhydryl Compounds 72-77 peroxiredoxin 2 Homo sapiens 41-47 11390385-9 2001 hCyP-A supported antioxidant activity of Prx II and Prx VI both against thiol (dithiothreitol)-containing metal-catalyzed oxidation (MCO) systems and ascorbate-containing MCO systems. Dithiothreitol 79-93 peroxiredoxin 2 Homo sapiens 41-47 11390385-9 2001 hCyP-A supported antioxidant activity of Prx II and Prx VI both against thiol (dithiothreitol)-containing metal-catalyzed oxidation (MCO) systems and ascorbate-containing MCO systems. Metals 106-111 peroxiredoxin 2 Homo sapiens 41-47 11390385-9 2001 hCyP-A supported antioxidant activity of Prx II and Prx VI both against thiol (dithiothreitol)-containing metal-catalyzed oxidation (MCO) systems and ascorbate-containing MCO systems. Ascorbic Acid 150-159 peroxiredoxin 2 Homo sapiens 41-47 11390385-10 2001 Prx II was reduced by hCyP-A without help from any other reductant, and the reduction was cyclosporin A-independent. Cyclosporine 90-103 peroxiredoxin 2 Homo sapiens 0-6 11469800-0 2001 Thioredoxin peroxidase-1 (peroxiredoxin-1) is increased in thioredoxin-1 transfected cells and results in enhanced protection against apoptosis caused by hydrogen peroxide but not by other agents including dexamethasone, etoposide, and doxorubicin. Hydrogen Peroxide 154-171 peroxiredoxin 2 Homo sapiens 0-24 11469800-0 2001 Thioredoxin peroxidase-1 (peroxiredoxin-1) is increased in thioredoxin-1 transfected cells and results in enhanced protection against apoptosis caused by hydrogen peroxide but not by other agents including dexamethasone, etoposide, and doxorubicin. Etoposide 221-230 peroxiredoxin 2 Homo sapiens 0-24 11469800-0 2001 Thioredoxin peroxidase-1 (peroxiredoxin-1) is increased in thioredoxin-1 transfected cells and results in enhanced protection against apoptosis caused by hydrogen peroxide but not by other agents including dexamethasone, etoposide, and doxorubicin. Doxorubicin 236-247 peroxiredoxin 2 Homo sapiens 0-24 11469800-4 2001 Transfection of mouse WEHI7.2 lymphoma cells with human TrxP-1 or TrxP-2, but not TrxP-4, protects the cells against H(2)O(2) induced apoptosis but does not protect against apoptosis induced by dexamethasone, etoposide, or doxorubicin. Dexamethasone 194-207 peroxiredoxin 2 Homo sapiens 56-62 11469800-4 2001 Transfection of mouse WEHI7.2 lymphoma cells with human TrxP-1 or TrxP-2, but not TrxP-4, protects the cells against H(2)O(2) induced apoptosis but does not protect against apoptosis induced by dexamethasone, etoposide, or doxorubicin. Etoposide 209-218 peroxiredoxin 2 Homo sapiens 56-62 11469800-4 2001 Transfection of mouse WEHI7.2 lymphoma cells with human TrxP-1 or TrxP-2, but not TrxP-4, protects the cells against H(2)O(2) induced apoptosis but does not protect against apoptosis induced by dexamethasone, etoposide, or doxorubicin. Doxorubicin 223-234 peroxiredoxin 2 Homo sapiens 56-62 11469800-5 2001 The results show that an increase in TrxP-1 expression contributes to the protection against H(2)O(2) induced apoptosis caused by Trx-1, but does not protect against apoptosis induced by other agents. Hydrogen Peroxide 93-101 peroxiredoxin 2 Homo sapiens 37-43 11410278-1 2001 The decameric human erythrocyte protein torin is identical to the thiol-specific antioxidant protein-II (TSA-II), also termed peroxiredoxin-II (Prx-II). Sulfhydryl Compounds 66-71 peroxiredoxin 2 Homo sapiens 40-45 11410278-1 2001 The decameric human erythrocyte protein torin is identical to the thiol-specific antioxidant protein-II (TSA-II), also termed peroxiredoxin-II (Prx-II). Sulfhydryl Compounds 66-71 peroxiredoxin 2 Homo sapiens 126-142 11410278-1 2001 The decameric human erythrocyte protein torin is identical to the thiol-specific antioxidant protein-II (TSA-II), also termed peroxiredoxin-II (Prx-II). Sulfhydryl Compounds 66-71 peroxiredoxin 2 Homo sapiens 144-150 11410278-2 2001 Single particle analysis from electron micrographs of Prx-II molecules homogeneously orientated across holes in the presence of a thin film of ammonium molybdate and trehalose has facilitated the production of a >/=20 A 3-D reconstruction by angular reconstitution that emphasises the D5 symmetry of the ring-like decamer. ammonium molybdate 143-161 peroxiredoxin 2 Homo sapiens 54-60 11410278-2 2001 Single particle analysis from electron micrographs of Prx-II molecules homogeneously orientated across holes in the presence of a thin film of ammonium molybdate and trehalose has facilitated the production of a >/=20 A 3-D reconstruction by angular reconstitution that emphasises the D5 symmetry of the ring-like decamer. Trehalose 166-175 peroxiredoxin 2 Homo sapiens 54-60 11410278-6 2001 2-D crystallisation of the Prx-II protein on mica as part of a TEM study resulted in the formation of a p2 crystal form with parallel linear arrays of stacked rings. mica 45-49 peroxiredoxin 2 Homo sapiens 27-33 11396151-1 2001 Peroxiredoxin II (Prx II) has been known to be induced by various oxidative stimuli and to play an important protective role from oxidative damage by hydrogen peroxide (H2O2). Hydrogen Peroxide 150-167 peroxiredoxin 2 Homo sapiens 0-24 11396151-1 2001 Peroxiredoxin II (Prx II) has been known to be induced by various oxidative stimuli and to play an important protective role from oxidative damage by hydrogen peroxide (H2O2). Hydrogen Peroxide 169-173 peroxiredoxin 2 Homo sapiens 0-24 11396151-2 2001 In this study, we observed that cisplatin as well as H2O2 induced Prx II expression. Cisplatin 32-41 peroxiredoxin 2 Homo sapiens 66-72 11396151-2 2001 In this study, we observed that cisplatin as well as H2O2 induced Prx II expression. Hydrogen Peroxide 53-57 peroxiredoxin 2 Homo sapiens 66-72 11396151-3 2001 To examine the correlation between the increased expression of Prx II and chemoresistance, we prepared a Prx II-overexpressing cell line, SNU638 cells, and found it to be more resistant to cell death induced by cisplatin and H2O2 than neo-transfectant cells. Hydrogen Peroxide 225-229 peroxiredoxin 2 Homo sapiens 63-69 11396151-4 2001 We also observed that enhanced expression of Prx II inhibited cisplatin- and H2O2-induced apoptosis, demonstrating that resistance to these cytotoxic agents was due to inhibition of apoptosis. Cisplatin 62-71 peroxiredoxin 2 Homo sapiens 45-51 11396151-4 2001 We also observed that enhanced expression of Prx II inhibited cisplatin- and H2O2-induced apoptosis, demonstrating that resistance to these cytotoxic agents was due to inhibition of apoptosis. Hydrogen Peroxide 77-81 peroxiredoxin 2 Homo sapiens 45-51 11396151-5 2001 The above results led us to suggest that the overexpressed Prx II protein inhibits cisplatin-induced apoptosis, thereby contributing to chemoresistance of tumor cells, especially to oxidative stress producing anticancer drugs. Cisplatin 83-92 peroxiredoxin 2 Homo sapiens 59-65 10494109-7 1999 We have examined regional and cell-type-specific expression of Prx-I and Prx-II in paraffin sections of human brain using immunohistochemical methods. Paraffin 83-91 peroxiredoxin 2 Homo sapiens 73-79 9356316-2 1997 The role of NKEF-B as an antioxidant was demonstrated by its protection of transfected cells to oxidative damage by hydrogen peroxide. Hydrogen Peroxide 116-133 peroxiredoxin 2 Homo sapiens 12-18 9602152-3 1998 Native NKEF-B readily forms disulphide-linked dimers, but when fully reduced, the protein forms discrete oligomers containing 16 +/- 1 monomers. disulphide 28-38 peroxiredoxin 2 Homo sapiens 7-13 9602152-7 1998 This in vitro cleavage data provides support to the hypothesis that calpromotin (NKEF-B), an erythron peroxiredoxin involved in the regulation of calcium-dependent potassium transport across the plasma membrane, is cleaved by calpain in vivo. calpromotin 68-79 peroxiredoxin 2 Homo sapiens 81-87 9602152-7 1998 This in vitro cleavage data provides support to the hypothesis that calpromotin (NKEF-B), an erythron peroxiredoxin involved in the regulation of calcium-dependent potassium transport across the plasma membrane, is cleaved by calpain in vivo. Calcium 146-153 peroxiredoxin 2 Homo sapiens 81-87 9602152-7 1998 This in vitro cleavage data provides support to the hypothesis that calpromotin (NKEF-B), an erythron peroxiredoxin involved in the regulation of calcium-dependent potassium transport across the plasma membrane, is cleaved by calpain in vivo. Potassium 164-173 peroxiredoxin 2 Homo sapiens 81-87 9356316-8 1997 The expression of NKEF-B mRNA was induced when the parental cell line ECV304 was treated with 2 mm HP. histidylproline 99-101 peroxiredoxin 2 Homo sapiens 18-24 9356316-11 1997 These results demonstrate antioxidant activities of NKEF-B toward prooxidants such as alkyl hydroperoxide and MeHg. alkyl hydroperoxide 86-105 peroxiredoxin 2 Homo sapiens 52-58 9161849-4 1997 Nkef-B-transfected cells displayed significantly lower levels of reactive oxygen species (ROS) compared with control or vector-transfected cells. Reactive Oxygen Species 65-88 peroxiredoxin 2 Homo sapiens 0-6 9161849-4 1997 Nkef-B-transfected cells displayed significantly lower levels of reactive oxygen species (ROS) compared with control or vector-transfected cells. Reactive Oxygen Species 90-93 peroxiredoxin 2 Homo sapiens 0-6 9161849-5 1997 Tert-Butylhydroperoxide-induced ROS was 15% lower in nkef-B-transfected cells and cytotoxicity was slightly, though not significantly, lower. Reactive Oxygen Species 32-35 peroxiredoxin 2 Homo sapiens 53-59 9161849-7 1997 NKEF-B overexpression resulted in slightly (approximately 10%) lower levels of cellular glutathione (GSH) and had no effect on rate or extent of GSH depletion following either diethylmaleate (DEM) or buthionine sulfoximine (BSO) treatment. Glutathione 88-99 peroxiredoxin 2 Homo sapiens 0-6 9161849-7 1997 NKEF-B overexpression resulted in slightly (approximately 10%) lower levels of cellular glutathione (GSH) and had no effect on rate or extent of GSH depletion following either diethylmaleate (DEM) or buthionine sulfoximine (BSO) treatment. Glutathione 101-104 peroxiredoxin 2 Homo sapiens 0-6 9161849-8 1997 Lipid peroxidation, assessed as thiobarbituric acid-reactive substances, was 40% lower in nkef-B-transfected cells compared with vector-only-transfected cells. thiobarbituric acid 32-51 peroxiredoxin 2 Homo sapiens 90-96 9161849-8 1997 Lipid peroxidation, assessed as thiobarbituric acid-reactive substances, was 40% lower in nkef-B-transfected cells compared with vector-only-transfected cells. substance S 61-71 peroxiredoxin 2 Homo sapiens 90-96 9161849-9 1997 DEM-induced lipid peroxidation was suppressed by NKEF-B at DEM concentrations of 20 microM to 1 mM. diethyl maleate 0-3 peroxiredoxin 2 Homo sapiens 49-55 9161849-9 1997 DEM-induced lipid peroxidation was suppressed by NKEF-B at DEM concentrations of 20 microM to 1 mM. diethyl maleate 59-62 peroxiredoxin 2 Homo sapiens 49-55 9161849-11 1997 NKEF-B expression also protected cells against menadione-induced inhibition of [3H]-thymidine uptake. Vitamin K 3 47-56 peroxiredoxin 2 Homo sapiens 0-6 9161849-11 1997 NKEF-B expression also protected cells against menadione-induced inhibition of [3H]-thymidine uptake. Tritium 80-82 peroxiredoxin 2 Homo sapiens 0-6 9161849-11 1997 NKEF-B expression also protected cells against menadione-induced inhibition of [3H]-thymidine uptake. Thymidine 84-93 peroxiredoxin 2 Homo sapiens 0-6 8554508-1 1995 The acidic peroxidoxin [also named thiol-specific antioxidant protein (TSA) or protector protein (PRP)], which plays a role in the response against oxidative stress, is one of the major proteins of red blood cells. Sulfhydryl Compounds 35-40 peroxiredoxin 2 Homo sapiens 79-96 8994946-1 1996 The CPI PRxII is a recently approved, multitiered implantable cardioverter defibrillator (ICD) that delivers high and low energy biphasic shocks, antitachycardia (ATP) and bradycardia pacing, and stores 2.5 minutes of electrograms from the widely spaced shocking electrodes. Adenosine Triphosphate 163-166 peroxiredoxin 2 Homo sapiens 8-13 8994946-12 1996 We conclude the PRxII achieves low DFTs that obviate the need for thoracotomy and effectively treats ventricular arrhythmias with ATP and shock, with programming guided by noninvasive electrophysiology. Adenosine Triphosphate 130-133 peroxiredoxin 2 Homo sapiens 16-21 8554508-1 1995 The acidic peroxidoxin [also named thiol-specific antioxidant protein (TSA) or protector protein (PRP)], which plays a role in the response against oxidative stress, is one of the major proteins of red blood cells. Sulfhydryl Compounds 35-40 peroxiredoxin 2 Homo sapiens 98-101 7785299-9 1995 We conclude that there is a high efficacy rate in AE termination by the Ventak PRxII, using ATP or countershock. Adenosine Triphosphate 92-95 peroxiredoxin 2 Homo sapiens 79-84 7607688-9 1995 Oxygen radical metabolism has been hypothesized to be important for cancer, muscular dystrophy, and other disorders, so TDPX1 should be considered a candidate gene for these diseases. Reactive Oxygen Species 0-14 peroxiredoxin 2 Homo sapiens 120-125 34340028-0 2021 Thiol-disulphide independent in-cell trapping for the identification of peroxiredoxin 2 interactors. thiol-disulphide 0-16 peroxiredoxin 2 Homo sapiens 72-87 1919738-6 1991 In comparison to conventional monoexponential fitting of 11C-acetate tissue kinetics, the model approach improved the correlation coefficients of scintigraphic MVO2 estimates and PRP values from 0.61 to 0.91. carbon-11 acetate 57-68 peroxiredoxin 2 Homo sapiens 179-182 34852234-3 2021 Our results show that CypA forms an intramolecular disulfide bond between Cys115 and Cys161 upon oxidative stress and the oxidized cysteines in CypA are recycled to a reduced state by peroxiredoxin-2 (PRDX2). Disulfides 51-60 peroxiredoxin 2 Homo sapiens 184-199 34852234-3 2021 Our results show that CypA forms an intramolecular disulfide bond between Cys115 and Cys161 upon oxidative stress and the oxidized cysteines in CypA are recycled to a reduced state by peroxiredoxin-2 (PRDX2). Cysteine 131-140 peroxiredoxin 2 Homo sapiens 184-199 34852234-3 2021 Our results show that CypA forms an intramolecular disulfide bond between Cys115 and Cys161 upon oxidative stress and the oxidized cysteines in CypA are recycled to a reduced state by peroxiredoxin-2 (PRDX2). Cysteine 131-140 peroxiredoxin 2 Homo sapiens 201-206 34785665-2 2021 Here we show that arterial glutathione peroxidases and peroxiredoxins that rapidly eliminate H2O2, have little impact on relaxation of IDO1-expressing arteries, and that purified IDO1 forms cis-WOOH in the presence of peroxiredoxin 2. Hydrogen Peroxide 93-97 peroxiredoxin 2 Homo sapiens 55-69 34785665-2 2021 Here we show that arterial glutathione peroxidases and peroxiredoxins that rapidly eliminate H2O2, have little impact on relaxation of IDO1-expressing arteries, and that purified IDO1 forms cis-WOOH in the presence of peroxiredoxin 2. cis-wooh 190-198 peroxiredoxin 2 Homo sapiens 55-69 34785665-4 2021 Compared with its epimer trans-WOOH and H2O2, cis-WOOH reacts slower with the major arterial forms of glutathione peroxidases and peroxiredoxins while it reacts more readily with its target, protein kinase G 1alpha. Hydrogen Peroxide 40-44 peroxiredoxin 2 Homo sapiens 130-144 34785665-4 2021 Compared with its epimer trans-WOOH and H2O2, cis-WOOH reacts slower with the major arterial forms of glutathione peroxidases and peroxiredoxins while it reacts more readily with its target, protein kinase G 1alpha. cis-wooh 46-54 peroxiredoxin 2 Homo sapiens 130-144 34678160-3 2022 Here we use a genetically encoded fluorescent probe for human peroxiredoxin-2 (Prx2) oxidation in screens for small-molecule compounds that modulate H2O2 pathways. Hydrogen Peroxide 149-153 peroxiredoxin 2 Homo sapiens 79-83 33819194-8 2021 In addition, PRDX2 knockdown led to increased ROS production in CD133+CD44+ CCSCs, sensitizing CCSCs to oxidative stress and chemotherapy. ros 46-49 peroxiredoxin 2 Homo sapiens 13-18 34340028-5 2021 Here, we explore the applicability of two thiol-disulphide independent in-cell trapping methodological approaches in combination with mass spectrometry for the identification of interaction partners of peroxiredoxin 2 (Prdx2). thiol-disulphide 42-58 peroxiredoxin 2 Homo sapiens 202-217 34340028-5 2021 Here, we explore the applicability of two thiol-disulphide independent in-cell trapping methodological approaches in combination with mass spectrometry for the identification of interaction partners of peroxiredoxin 2 (Prdx2). thiol-disulphide 42-58 peroxiredoxin 2 Homo sapiens 219-224 34340028-6 2021 The first is biotin-dependent proximity-labelling (BioID) with a biotin ligase A (BirA*)-fused Prdx2, which has never been applied on redox-active proteins. Biotin 13-19 peroxiredoxin 2 Homo sapiens 95-100 34340028-7 2021 The second is crosslinker co-immunoprecipitation with an N-terminally His-tagged Prdx2. Histidine 70-73 peroxiredoxin 2 Homo sapiens 81-86 34072455-10 2021 Increased sensitivity of Treg cells from adults with asthma to H2O2 resulted from a reduction of peroxiredoxin-2, -3, -4 and increased pERK1/2 via impaired Ca2+ response in these cells. Hydrogen Peroxide 63-67 peroxiredoxin 2 Homo sapiens 97-120 34111615-9 2021 Additionally, we analyzed the binding of UA to human PRDX2 and Skn-1 proteins by molecular docking and microscale thermophoresis. ursolic acid 41-43 peroxiredoxin 2 Homo sapiens 53-58 34111615-14 2021 CONCLUSION: Our findings implicate that the strong antioxidant activity of UA may exert anti-depressive effects by its interaction with the Skn-1 transcription factor, which is part of a detoxification network, and the antioxidant PRDX2 protein, which protects the organism from the detrimental effects of radical oxygen species. ursolic acid 75-77 peroxiredoxin 2 Homo sapiens 231-236 35474765-5 2022 We have performed siRNA-mediated silencing and n-carbamoyl alanine (NCA)-mediated inhibition of PRDX2 in CHEK2-null HCT116 cells to confirm the synthetic lethal (SL) interaction between PRDX2 and CHEK2 as the cell population reduced significantly after silencing/inhibition of PRDX2. CARBAMOYL-DL-ALA-OH 47-66 peroxiredoxin 2 Homo sapiens 96-101 35474765-5 2022 We have performed siRNA-mediated silencing and n-carbamoyl alanine (NCA)-mediated inhibition of PRDX2 in CHEK2-null HCT116 cells to confirm the synthetic lethal (SL) interaction between PRDX2 and CHEK2 as the cell population reduced significantly after silencing/inhibition of PRDX2. nca 68-71 peroxiredoxin 2 Homo sapiens 96-101 35474765-6 2022 Additionally, treatment with NCA resulted in an increased level of total ROS in both cell types (HCT116 and CHEK2-null HCT116 cells), which further confirms that inhibition of PRDX2 results in an increased ROS level, which are mainly responsible for DNA double-strand breaks (DSBs). nca 29-32 peroxiredoxin 2 Homo sapiens 176-181 35474765-6 2022 Additionally, treatment with NCA resulted in an increased level of total ROS in both cell types (HCT116 and CHEK2-null HCT116 cells), which further confirms that inhibition of PRDX2 results in an increased ROS level, which are mainly responsible for DNA double-strand breaks (DSBs). ros 73-76 peroxiredoxin 2 Homo sapiens 176-181 35474765-6 2022 Additionally, treatment with NCA resulted in an increased level of total ROS in both cell types (HCT116 and CHEK2-null HCT116 cells), which further confirms that inhibition of PRDX2 results in an increased ROS level, which are mainly responsible for DNA double-strand breaks (DSBs). ros 206-209 peroxiredoxin 2 Homo sapiens 176-181 35474765-9 2022 The findings of this study suggest that PRDX2 has a SL interaction with CHEK2, and this interaction can be exploited for the targeted cancer therapy using NCA as a drug inhibitor of PRDX2 for the therapy of colorectal cancer having CHEK2 defects. nca 155-158 peroxiredoxin 2 Homo sapiens 40-45 35474765-9 2022 The findings of this study suggest that PRDX2 has a SL interaction with CHEK2, and this interaction can be exploited for the targeted cancer therapy using NCA as a drug inhibitor of PRDX2 for the therapy of colorectal cancer having CHEK2 defects. nca 155-158 peroxiredoxin 2 Homo sapiens 182-187 35306694-2 2022 Prx-2 is oxidized to a disulfide covalently-bound dimer by H2 O2 , and then reduced back by the NADPH-dependent thioredoxin-thioredoxin reductase system. Disulfides 23-32 peroxiredoxin 2 Homo sapiens 0-5 35306694-2 2022 Prx-2 is oxidized to a disulfide covalently-bound dimer by H2 O2 , and then reduced back by the NADPH-dependent thioredoxin-thioredoxin reductase system. Hydrogen Peroxide 59-64 peroxiredoxin 2 Homo sapiens 0-5 35306694-2 2022 Prx-2 is oxidized to a disulfide covalently-bound dimer by H2 O2 , and then reduced back by the NADPH-dependent thioredoxin-thioredoxin reductase system. NADP 96-101 peroxiredoxin 2 Homo sapiens 0-5 35306694-10 2022 Treatment with glucose attenuated slowed Prx-2 recycling in older RBCs and SCD RBCs, but not stored RBCs. Glucose 15-22 peroxiredoxin 2 Homo sapiens 41-46