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Resveratrol induces apoptosis of pancreatic cancers cells by inhibiting miR-21 regulation of BCL-2 expression.
MedLine Citation:
PMID:  23359184     Owner:  NLM     Status:  Publisher    
OBJECTIVE: Resveratrol is an edible polyphenolic phytoalexin present in different plant species and plays important role in inhibiting proliferation and inducing apoptosis of pancreatic cancer cells. In this paper, the mechanism of resveratrol on PANC-1, CFPAC-1 and MIA Paca-2 cells apoptosis was examined. METHODS: We first evaluated the effect of resveratrol on viability of PANC-1, CFPAC-1 and MIA Paca-2 cells using MTT assay. Next, we performed real-time PCR to assess the effect of resveratrol on miR-21 expression. We also used Western blot to measure BCL-2 protein levels after down-regulation of miR-21 expression. Finally, we evaluated the effect of miR-21 on resveratrol-induced anti-tumor activity using miR-21 mimic. RESULTS: Resveratrol induced a significant inhibition of PANC-1, CFPAC-1 and MIA Paca-2 cells viability in a dose-dependent manner. Resveratrol also decreased the expression of miR-21. Besides, down-regulation of miR-21 expression can inhibit BCL-2 expression in PANC-1, CFPAC-1 and MIA Paca-2 cells. Over-expression of miR-21 expression can reverse down-regulation of BCL-2 expression and apoptosis induced by resveratrol. CONCLUSIONS: In this study, we demonstrated that the effect of resveratrol on apoptosis is due to inhibiting miR-21 regulation of BCL-2 expression.
P Liu; H Liang; Q Xia; P Li; H Kong; P Lei; S Wang; Z Tu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-29
Journal Detail:
Title:  Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico     Volume:  -     ISSN:  1699-3055     ISO Abbreviation:  Clin Transl Oncol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101247119     Medline TA:  Clin Transl Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Medical Laboratory, Chongqing University of Medical Science, Chongqing, China.
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