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Objective:To explore the proliferation inhibition and apoptosis-inducing effect of evodiamine in human gastric cancer SGC-7901 cells. Methods:After 48 or 24 h exposure to different concentrations of evodiamine, cell proliferation was analyzed using tetrazolium blue (MTT) assay while apoptosis and cell-cycle phase distribution using lfow cytometry. Results:In 0.01~30.00μg/mL range of concentrations, evodiamine inhibited the proliferation of SGC-7901 cells in dose-dependent manner, and the overall mean IC50 was (3.79±0.16)μg/mL;the apoptosis rate was increased from 3.4%to 7.0%, 13.8%and 36.3%at concentrations of 0, 0.5, 1.5 and 30μg/mL of evodiamine, respectively;the percentage of cells accumulated in G2/M phase was increased from 17.26%to 98.92%in the cells treated with evodiamine for 24 h in 0.01~30.00μg/mL range of concentrations. Conclusion:Evodiamine can inhibit the proliferation, induce apoptosis in human gastric cancer cell line SGC-7901 in vitro and arrest the cell cycle at the G2/M phase.
