Document Detail

Intestinal metabolite compound K of panaxoside inhibits the growth of gastric carcinoma by augmenting apoptosis via Bid-mediated mitochondrial pathway.
MedLine Citation:
PMID:  21323864     Owner:  NLM     Status:  Publisher    
Compound K (20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol, CK), an intestinal bacterial metabolite of panaxoside, has been shown to inhibit tumor growth in a variety of tumors. However, the mechanisms involved are largely unknown. We use human gastric carcinoma cell lines BGC823, SGC7901 and human gastric carcinoma xenograft in nude mice as models to study the mechanisms of CK in gastric cancers. We found that CK significantly inhibits the viabilities of BGC823 and SGC7901 cells in dose- and time- dependent manners. CK induced BGC823 and SGC7901 cells apoptosis and cell cycle arrest in G2 phase by up-regulation of p21 and down-regulation of cdc2 and cyclin B1. Further studies show that CK induces apoptosis in BGC823 and SGC7901 cells mainly through mitochondria-mediated internal pathway, and that CK induces the translocation of nuclear Bid to mitochondria. Finally, we found that CK effectively inhibited the tumor formation of SGC7901 cells in nude mice. Our studies show that CK can inhibit the viabilities and induce apoptosis of human gastric carcinoma cells via Bid-mediated mitochondrial pathway.
Chun Hu; Gang Song; Bing Zhang; Zhongchen Liu; Rong Chen; Hong Zhang; Tianhui Hu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-15
Journal Detail:
Title:  Journal of cellular and molecular medicine     Volume:  -     ISSN:  1582-4934     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101083777     Medline TA:  J Cell Mol Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Cancer Research Center, Xiamen University Medical College, Xiamen 361005, PR China Department of Basic Medicine, Xiamen University Medical College, Xiamen 361005, PR China Zhongshan Affiliated Hospital, Xiamen University Medical College, Xiamen 361005, PR China Key Laboratory for Green Chemical Process of Ministry of Education and School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430073, PR China Tumor Biology, School of Life Sciences, University of Skovde, SE-541 28 Skovde, Sweden.
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