Document Detail


Human nuclear clusterin mediates apoptosis by interacting with Bcl-XL through C-terminal coiled coil domain.
MedLine Citation:
PMID:  21567405     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Clusterin (CLU), a glycoprotein, is involved in apoptosis, producing two alternatively spliced isoforms in various cell types. The pro-apoptotic CLU appears to be a nuclear isoform (nuclear clusterin; nCLU), and the secretory CLU (sCLU) is thought to be anti-apoptotic. The detailed molecular mechanism of nCLU as a pro-apoptotic molecule has not yet been clear. In the current study, overexpressed nCLU induced apoptosis in human kidney cells. Biochemical studies revealed that nCLU sequestered Bcl-XL via a putative BH3 motif in the C-terminal coiled coil (CC2) domain, releasing Bax, and promoted apoptosis accompanied by activation of caspase-3 and cytochrome c release. These results suggest a novel mechanism of apoptosis mediated by nCLU as a pro-apoptotic molecule. J. Cell. Physiol. © 2011 Wiley-Liss, Inc.
Authors:
Nayoung Kim; Jae Cheal Yoo; Jae Yoon Han; Eun Mi Hwang; Yoon Sook Kim; Eun Young Jeong; Choong-Hyun Sun; Gwan-Su Yi; Gu Seob Roh; Hyun Joon Kim; Sang Soo Kang; Gyeong Jae Cho; Jae Yong Park; Wan Sung Choi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-12
Journal Detail:
Title:  Journal of cellular physiology     Volume:  -     ISSN:  1097-4652     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0050222     Medline TA:  J Cell Physiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Wiley-Liss, Inc.
Affiliation:
Department of Anatomy and Neurobiology, Medical Research Center for Neural Dysfunction, School of Medicine, Gyeongsang National University, 92 Chilam-dong, Jinju, Gyeongnam 660-751, South Korea.
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