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Down syndrome critical region 1 enhances the proteolytic cleavage of calcineurin
DC Field | Value | Language |
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dc.contributor.author | Lee, Ji-Eun | - |
dc.contributor.author | Jang, Hyonchol | - |
dc.contributor.author | Cho, Eun-Jung | - |
dc.contributor.author | Youn, Hong-Duk | - |
dc.date.accessioned | 2012-07-03T01:53:31Z | - |
dc.date.available | 2012-07-03T01:53:31Z | - |
dc.date.issued | 2009-07-31 | - |
dc.identifier.citation | EXPERIMENTAL AND MOLECULAR MEDICINE; Vol.41 7; 471-477 | ko_KR |
dc.identifier.issn | 1226-3613 | - |
dc.identifier.uri | https://hdl.handle.net/10371/78183 | - |
dc.description.abstract | Down syndrome critical region 1 (DSCR1), an oxidative stress-response gene, interacts with calcineurin and represses its phosphatase activity. Recently it was shown that hydrogen peroxide inactivates calcineurin by proteolytic cleavage. Based on these facts, we investigated whether oxidative stress affects DSCR1-mediated inactivation of calcineurin. We determined that overexpression of DSCR1 leads to increased proteolytic cleavage of calcineurin. Convertselly, knockdown of DSCR1 abolished calcineurin cleavage upon treatment with hydrogen peroxide. The PXIIXT motif in the COOH-terminus of DSCR1 is responsible for both binding and cleavage of calcineurin. The knockdown of overexpressed DSCR1 in DS fibroblast cells also abrogated calcineurin proteolysis by hydrogen peroxide. These results suggest that DSCR1 has the ability to inactivate calcineurin by inducing proteolytic cleavage of calcineurin upon oxidative stress. | ko_KR |
dc.description.sponsorship | This work was supported by KOSEF grants from the
National Research Laboratory (ROA-2007-000-20002-0) and the Center for Functional Analysis for Human Genome (3344-20060070) to H.D.Y. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | KOREAN SOC MED BIOCHEMISTRY MOLECULAR BIOLOGY | ko_KR |
dc.subject | calcineurin | ko_KR |
dc.subject | Down syndrome | ko_KR |
dc.subject | fibroblasts | ko_KR |
dc.subject | RCAN1 protein, human | ko_KR |
dc.subject | oxidative stress | ko_KR |
dc.subject | hydrogen peroxide | ko_KR |
dc.subject | DSCR1 protein, mouse | ko_KR |
dc.title | Down syndrome critical region 1 enhances the proteolytic cleavage of calcineurin | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 이지은 | - |
dc.contributor.AlternativeAuthor | 장현철 | - |
dc.contributor.AlternativeAuthor | 조은정 | - |
dc.contributor.AlternativeAuthor | 윤홍덕 | - |
dc.identifier.doi | 10.3858/emm.2009.41.7.052 | - |
dc.citation.journaltitle | EXPERIMENTAL AND MOLECULAR MEDICINE | - |
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dc.description.tc | 2 | - |
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