Celecoxib inhibits proliferation and induces apoptosis in vascular smooth muscle cells with its molecular mechanism
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    Abstract:

    Objective:To investigate the cell growth inhibition induced by selective cyclooxygenase-2(COX-2) inhibitor celecoxib and its molecular mechanisms. Methods:Cell growth rates were assessed by WST-1 assay. Apoptosis was examined by flow cytometry. The expression of COX-2, caspase-3 and Akt phosphorylation were examined by western blot analysis. Results:Cells were treated with increasing concentrations of celecoxib(0-50μmol/L) for 24 hours,and the cell growth rate was 100%,81.15%,66.72%,54.93% and 11.41%, respectively. The apoptocic ration of 50 μmol/L group was 30.72%. The remarkable activation of caspase-3 and significant reduction of Akt(Thr308) phosphorylation could be observed by western blotting. Conclusion:The celecoxib inhibited proliferation and induced apoptosis of the vascular smooth muscle cells in a dose dependent manner, which is partly related to the mechanism of Akt/caspase pathway.

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娄可心,刘宁波,彭韬,冷 静.选择性环氧合酶抑制剂celecoxib对血管平滑肌细胞的增殖抑制、凋亡诱导作用和分子机制[J].南京医科大学学报(自然科学版英文版),2007,(6):530-533.

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  • Received:November 05,2006
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