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苹果提取物对食管癌细胞增殖、凋亡及相关蛋白表达的影响 被引量:2

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摘要 目的通过苹果提取物对食管癌EC9706细胞的增殖、凋亡及相关蛋白表达的影响。方法加入受试物前,将EC9706细胞接种于1640培养液中,实验设溶剂对照组及苹果提取物7个剂量组,应用MTT、流式细胞术和扫描电镜技术,观察苹果提取物对食管癌EC9706细胞增殖、细胞周期各时相DNA分布以及凋亡的影响;采用免疫组织化学技术,检测Bax及Bcl-2蛋白表达情况。结果各剂量组苹果提取物对食管癌EC9706细胞分别处理72h和96h后,均抑制了食管癌EC9706细胞的增殖,使细胞停滞于G2/M期,并伴随着对凋亡的诱导和Bax、Bcl-2蛋白表达的改变。经统计学分析差异具有显著意义。结论苹果提取物可阻止细胞DNA合成,降低S期百分率,减少分裂期细胞从而抑制EC9706增殖,并通过调节Bax和Bcl-2蛋白的表达诱导细胞凋亡。
出处 《卫生研究》 CAS CSCD 北大核心 2008年第3期349-353,共5页 Journal of Hygiene Research
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