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10.1093/toxsci/kfh278 http://scihub22266oqcxt.onion/10.1093/toxsci/kfh278 15375294!ä!15375294 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Toxicol+Sci 2004 ; 82 (2): 638-46 Nephropedia Template TP {{tp|p=15375294|t=2004. The role of hypoxia inducible factor 1alpha in cobalt chloride induced cell death in mouse embryonic fibroblasts |pdf=|usr=}}{{15375294}} gab.com Text The role of hypoxia inducible factor 1alpha in cobalt chloride induced cell death in mouse embryonic fibroblasts JO: Toxicol Sci http://www.kidney.de/pget.php?&tw=1&pmid=15375294 #FOAvip Cobalt has been widely used in the treatment of anemia and as a hypoxia mimic in cell culture and it is known to activate hypoxic signaling by stabilizing the hypoxia inducible transcription factor 1alpha (HIF1alpha). However, cobalt exposure can lead to tissue and cellular toxicity. These studies were conducted to determine the role of HIF1alpha in mediating cobalt-induced toxicity. Mouse embryonic fibroblasts (MEFs) that were null for the HIF1alpha protein were used to show that HIF1alpha protein plays a major role in mediating cobalt-induced cytotoxicity. Previous work from our lab and others has shown that two BH3 domain containing cell death genes, BNip3 and NIX, are targets of hypoxia signaling. These experiments document that BNip3 and NIX expression is HIF1alpha-dependent, and cobalt induces their expression in a time and dose dependent manner. In addition, their expression is correlated with an increase in BNIP3 and NIX protein. Characteristically, the elevated level of BNIP3 was correlated with an increased presence of chromatin condensation, one marker for cell injury. Interestingly, this increased chromosomal condensation was not coupled to caspase-3 activation as usually seen in a typical apoptotic response. These results show that HIF1alpha is playing a major role in mediating cobalt-induced toxicity in mouse embryonic fibroblasts and may offer a possible mechanism for the underlying pathology of injuries seen in workers exposed to environmental contaminants that can influence the hypoxia signaling system, such as cobalt. Twit Text FOAVip The role of hypoxia inducible factor 1alpha in cobalt chloride induced cell death in mouse embryonic fibroblasts ????Toxicol Sci http://www.kidney.de/pget.php?&tw=1&pmid=15375294 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=15375294 #FOAvip English Wikipedia <ref>{{Cite pmid|15375294}}</ref> The role of hypoxia inducible factor 1alpha in cobalt chloride induced cell death in mouse embryonic fibroblasts #MMPMID15375294 Vengellur A; LaPres JJ Toxicol Sci 2004[Dec]; 82 (2): 638-46 PMID15375294show ga Cobalt has been widely used in the treatment of anemia and as a hypoxia mimic in cell culture and it is known to activate hypoxic signaling by stabilizing the hypoxia inducible transcription factor 1alpha (HIF1alpha). However, cobalt exposure can lead to tissue and cellular toxicity. These studies were conducted to determine the role of HIF1alpha in mediating cobalt-induced toxicity. Mouse embryonic fibroblasts (MEFs) that were null for the HIF1alpha protein were used to show that HIF1alpha protein plays a major role in mediating cobalt-induced cytotoxicity. Previous work from our lab and others has shown that two BH3 domain containing cell death genes, BNip3 and NIX, are targets of hypoxia signaling. These experiments document that BNip3 and NIX expression is HIF1alpha-dependent, and cobalt induces their expression in a time and dose dependent manner. In addition, their expression is correlated with an increase in BNIP3 and NIX protein. Characteristically, the elevated level of BNIP3 was correlated with an increased presence of chromatin condensation, one marker for cell injury. Interestingly, this increased chromosomal condensation was not coupled to caspase-3 activation as usually seen in a typical apoptotic response. These results show that HIF1alpha is playing a major role in mediating cobalt-induced toxicity in mouse embryonic fibroblasts and may offer a possible mechanism for the underlying pathology of injuries seen in workers exposed to environmental contaminants that can influence the hypoxia signaling system, such as cobalt. |Animals[MESH] |Blotting, Western[MESH] |Caspases/analysis/metabolism[MESH] |Cell Death/*drug effects/genetics[MESH] |Cell Line[MESH] |Cell Shape[MESH] |Cobalt/*toxicity[MESH] |DNA-Binding Proteins/*physiology[MESH] |Dose-Response Relationship, Drug[MESH] |Fibroblasts/*drug effects/ultrastructure[MESH] |Gene Expression Regulation/drug effects[MESH] |Genes, bcl-2/drug effects[MESH] |Hypoxia-Inducible Factor 1[MESH] |Hypoxia-Inducible Factor 1, alpha Subunit[MESH] |Mice[MESH] |Nuclear Proteins/*physiology[MESH] |RNA, Messenger/biosynthesis/genetics[MESH] |Reverse Transcriptase Polymerase Chain Reaction[MESH] |Tetrazolium Salts[MESH] |Thiazoles[MESH]The role of hypoxia inducible factor 1alpha in cobalt chloride induced(epmc).pdf DeepDyve Pubget Overpricing