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硒化壳聚糖通过下调PML-RARα融合蛋白对急性早幼粒白血病NB4细胞增殖和凋亡的作用 被引量:4

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摘要 目的研究硒化壳聚糖对急性早幼粒白血病细胞株NB4增殖和凋亡的影响及其与PML-RARα融合蛋白表达的关系。方法应用MTT法检测硒化壳聚糖对细胞增殖的影响,电镜下观察药物诱导细胞凋亡作用,应用Western印迹法检测细胞PML-RARα融合蛋白含量的变化。结果硒化壳聚糖对体外培养的NIM细胞可产生剂量和时间依赖性的抑制作用,50~100mg/L硒化壳聚糖作用NIM细胞24h可诱导细胞出现明显的凋亡现象,经硒化壳聚糖作用24h后,NB4细胞内PML—RARα融合蛋白含量明显减少。结论硒化壳聚糖可通过百调PML-RARα融合蛋白含量对NB4细胞产生抑制增殖和诱导凋亡作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第6期1000-1001,共2页 Chinese Journal of Gerontology
基金 湖北省教育厅重点项目(B200624004)
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共引文献39

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