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D114对K562细胞增殖的影响及Rb蛋白在Notch活化的K562细胞中的表达 被引量:1

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摘要 目的本实验旨在探讨D114基因对白血病细胞株K562生长的影响及Rb蛋白在Notch活化的K562细胞中的表达。方法实验分正常对照组、阴性对照组(转染质粒pBudCE4.1)和实验组(转染质粒pBudCE4.1-D114)。转染48 h后,免疫印迹法检测各组蛋白D114、Rb的表达水平;用细胞计数试剂盒-8法检测各组细胞的增殖;转染48 h后,比色法检测各组细胞的caspase-3、caspase-8的活性。结果在各组K562细胞中均检测到D114及Rb蛋白的表达,实验组的D114及Rb蛋白表达比两个对照组显著增多(P<0.05);实验组较对照组caspase-3、caspase-8的活性增高明显。结论 Notch活化的K562细胞中Rb蛋白高表达,通过提高caspase-3、caspase-8的活性,诱导增殖速度减慢。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2012年第9期1896-1897,共2页 Chinese Journal of Gerontology
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