Abstract Title:

[Effects of resveratrol on proliferation and apoptosis of TNF-alpha induced rheumatoid arthritis fibroblast-like synoviocytes].

Abstract Source:

Zhongguo Zhong Yao Za Zhi. 2010 Jul;35(14):1878-82. PMID: 20939290

Abstract Author(s):

Jing Tian, Jiesheng Gao, Jinwei Chen, Fen Li, Xi Xie, Jinfeng Du, Jing Wang, Ni Mao

Article Affiliation:

Xiangya Second Hospital, Central South University, Changsha 410011, China. yintianm@126.com


OBJECTIVE: To observe the effect of resveratrol (Res) on in vitro proliferation and apoptosis of TNF-alpha induced rheumatoid arthritis fibroblast-like synoviocytes (RA FLS), and further to investigate the PI3 K/Akt/BAD signal mechanism.

METHOD: The inhibition rate of RA FLS was examined by MTT assay. Cell cycle and the amount of apoptotic cells was measured by flow cytometry. PI3K/Akt/BAD signal transduction proteins expression was measured by western blot.

RESULT: The living cells measured by MTT dose and time-dependently reduced in Res groups. In Res groups, the fraction of living cells in the S-phase and G2/M-phase decreased respectively, while that in G1-phase increased, the difference was statistically significant compared with the TNF-alpha group (P<0.05). Flow cytometry demonstrated that the apoptosis rate increased with increased Res concentration. Res inhibited TNF-alpha induced phosphorylation of Akt and BAD in RA FLS.

CONCLUSION: Res can inhibit RA FLS proliferation and induce apoptosis through inhibition of PI3K/Akt/BAD signalling pathway. Res may provide a new therapeutic approach in treatment of RA.

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Sayer Ji
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