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-  2019 

三叶青乙酸乙酯提取物对肝癌细胞HepG2凋亡的影响及机制 Effect of ethyl acetate extract of Tetrastigma hemsleyanum on apoptosis of HepG2 and its mechanism

Keywords: 三叶青,HepG2,细胞凋亡,Caspase-3

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Abstract:

目的:研究三叶青乙酸乙酯提取物对肝癌细胞HepG2增殖与凋亡的影响,并探究其作用机制。方法:HepG2细胞体外培养,在不同浓度三叶青提取物的作用下,采用CCK8法检测细胞增殖,应用流式细胞仪检测细胞凋亡和细胞周期,运用Western Blot法检测蛋白表达情况。结果:三叶青乙酸乙酯提取物能显著抑制HepG2细胞增殖和诱导凋亡(P<0.05);上调Caspase-3和Bax表达量,下调Bcl-2表达,但细胞周期结果不显著。结论:三叶青乙酸乙酯提取物对HepG2细胞有抑制增殖作用,其机制可能与调控细胞信号通路诱导凋亡有关

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