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肿瘤特异性凋亡基因诱导A375细胞凋亡信号转导机制研究

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摘要 为研究肿瘤特异性凋亡基因(apoptin)在诱导人黑素瘤细胞A375凋亡中的信号转导机制,用含有apoptin基因的真核表达载体瞬间转染体外培养的人黑素瘤细胞A375;采用流式细胞术检测A375细胞的凋亡;以比色法检测caspase-8和caspase-3的相对活性;Western印迹检测凋亡细胞中细胞色素C的表达量。结果表明,Apoptin基因瞬间转染的A375细胞凋亡率明显高于其他各组(P<0·01);caspase-3的活性升高,但caspase-8活性没有明显变化;细胞色素C释放量明显增多。结论:Apoptin基因可能通过促进线粒体释放细胞色素C激活caspase-3,进而诱导人黑素瘤细胞A375凋亡。
出处 《沈阳部队医药》 2006年第6期363-365,共3页
基金 辽宁省自然科学基金资助课题(No.20042046)
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