Document Detail

Degradation of plectin with modulation of cytokeratin 18 in human liver cells during staurosporine-induced apoptosis.
MedLine Citation:
PMID:  18853744     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Hepatoma cells are morphologically different from those of the normal liver. Intermediate filaments (IFs) are important in building the cellular architecture and maintaining the outline of cells. Plectin is a cross-linking protein that organizes the cytoskeleton into a stable meshwork, which can maintain the uniform size and shape of hepatocytes. Apoptosis might be the most possible pathway for creating plectin deficiency in the in vivo state. MATERIALS AND METHODS: Apoptosis was induced by staurosporine (STS) treatment in liver cells. The protein expression of cytokeratin 18 (CK18) and plectin as well as the morphology of the liver cells and the distribution of CK18 and plectin in the cells was studied after STS treatment. RESULTS: Plectin was cleaved in the liver cells during apoptosis and CK18 was modulated. Morphological changes were observed in the liver cells. CONCLUSION: By affecting the organization of IFs, plectin might play an important role in the pleomorphism of hepatoma cells and even the tumorigenesis of hepatoma.
Yi-Hsiang Liu; Chiung-Chi Cheng; Chin-Chin Ho; Wei-Ting Chao; Ren-Jeng Pei; Yung-Hsiang Hsu; Kun-Tu Yeh; Lu-Chang Ho; Ming-Chuang Tsai; Yih-Shyong Lai
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  In vivo (Athens, Greece)     Volume:  22     ISSN:  0258-851X     ISO Abbreviation:  In Vivo     Publication Date:    2008 Sep-Oct
Date Detail:
Created Date:  2008-10-15     Completed Date:  2008-11-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8806809     Medline TA:  In Vivo     Country:  Greece    
Other Details:
Languages:  eng     Pagination:  543-8     Citation Subset:  IM    
Department of Pathology, Jen Ai Hospital, Taichung, Taiwan, R.O.C.
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MeSH Terms
Apoptosis / drug effects*
Blotting, Western
Fluorescent Antibody Technique
Keratin-18 / metabolism*
Liver / cytology,  drug effects*,  metabolism
Plectin / metabolism*
Staurosporine / pharmacology*
Tumor Cells, Cultured
Reg. No./Substance:
0/Keratin-18; 0/Plectin; 62996-74-1/Staurosporine

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