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Degradation of transglutaminase 2 by calcium-mediated ubiquitination responding to high oxidative stress

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dc.contributor.authorJeong, Eui Man-
dc.contributor.authorKim, Chai-Wan-
dc.contributor.authorJang, Gi-Yong-
dc.contributor.authorCho, Sung-Yup-
dc.contributor.authorShin, Dong-Myung-
dc.contributor.authorKim, In-Gyu-
dc.contributor.authorJeon, Ju-Hong-
dc.date.accessioned2012-05-22T07:01:00Z-
dc.date.available2012-05-22T07:01:00Z-
dc.date.issued2009-02-18-
dc.identifier.citationFEBS LETTERS; Vol.583 4; 648-654ko_KR
dc.identifier.issn0014-5793-
dc.identifier.urihttps://hdl.handle.net/10371/76245-
dc.description.abstractTransglutaminase 2 (TG2) is a calcium-dependent enzyme that catalyzes the transamidation reaction. Conflicting pieces of evidence have been reported on the role of TG2 in apoptosis. In this report, we showed that TG2 increased in response to low level of oxidative stress, whereas TG2 diminished under high stress conditions. Monitoring TG2 expression, activity and calcium concentration in cells treated with A23187 revealed that the initial rise of calcium activates TG2 but subsequent calcium-overload induces degradation of TG2 via calcium-mediated polyubiquitination. These results indicate that the role of TG2 in apoptosis depends on the level of calcium influx triggered by oxidative stress. (C) 2009 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.ko_KR
dc.language.isoenko_KR
dc.publisherELSEVIER SCIENCE BVko_KR
dc.subjectUbiquitinationko_KR
dc.subjectProteasomal degradationko_KR
dc.subjectOxidative stressko_KR
dc.subjectTransglutaminase 2ko_KR
dc.subjectCalcium-overloadko_KR
dc.titleDegradation of transglutaminase 2 by calcium-mediated ubiquitination responding to high oxidative stressko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor정의만-
dc.contributor.AlternativeAuthor김채완-
dc.contributor.AlternativeAuthor조성엽-
dc.contributor.AlternativeAuthor장기용-
dc.contributor.AlternativeAuthor전주홍-
dc.contributor.AlternativeAuthor김인규-
dc.contributor.AlternativeAuthor신동명-
dc.identifier.doi10.1016/j.febslet.2009.01.032-
dc.citation.journaltitleFEBS LETTERS-
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