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高良姜素对人骨肉瘤MG-63细胞增殖的影响及其机制的研究 被引量:10

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摘要 目的观察高良姜素对人骨肉瘤MG-63细胞增殖的影响并探讨其机制。方法体外培养人骨肉瘤MG-63细胞株,给予不同浓度的高良姜素处理24h,MTT法测定细胞活力,流式细胞仪分析细胞周期,Annexin V-FITC/PI双标记法测定细胞凋亡,Western blot分析Caspase-3、Cytochrome C及Bcl-2蛋白表达。结果高良姜素可导致人骨肉瘤MG-63细胞发生凋亡并抑制其增殖,其作用具有浓度依赖性,在80mM最为显著;同时可改变细胞周期分布。与对照组相比,80mM高良姜素处理24h后MG-63细胞活力降低、凋亡率增加(P<0.01);G0/G1期百分比增高,S+G2+M期百分比降低(P<0.01);Caspase-3、Cytochrome C表达增加,Bcl-2表达降低(P<0.01)。结论高良姜素可诱导人骨肉瘤MG-63细胞发生凋亡、抑制其增殖,并改变细胞周期分布,其作用与线粒体途径相关。
出处 《中国医学工程》 2012年第5期56-58,共3页 China Medical Engineering
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