干扰β-catenin表达对淋巴瘤细胞增殖、凋亡及cleaved caspase 3蛋白表达水平的影响

被引:11
作者
凡治国
李志平
任超
机构
[1] 安阳市肿瘤医院普内科
关键词
淋巴瘤; β-连环蛋白; 凋亡; 增殖;
D O I
暂无
中图分类号
R733.1 [网状内皮系统肿瘤];
学科分类号
100117 [系统生物医学];
摘要
目的探讨干扰β-连环蛋白(β-catenin)表达对淋巴瘤细胞增殖、凋亡及活化的含半胱氨酸的天冬氨酸蛋白水解酶3(cleaved caspase 3)表达水平的影响。方法以淋巴瘤细胞Raji为研究对象,采用β-catenin小干扰RNA(siRNA)转染细胞作为β-catenin siRNA组,以阴性对照control siRNA转染细胞作为siRNA control组,以不转染的细胞作为对照组。分别采用实时逆转录聚合酶链反应(RT-PCR)和蛋白质印迹法(Western blot)检测β-catenin mRNA和β-catenin蛋白表达水平,噻唑蓝(MTT)法检测细胞增殖,流式细胞术检测细胞凋亡,Western blot检测cleaved caspase 3、c-myc、细胞周期蛋白D1(cyclin D1)的表达水平。结果 siRNA control组和对照组的β-catenin mRNA和β-catenin蛋白表达水平、细胞存活率、细胞凋亡率及cleaved caspase 3、c-myc、cyclin D1蛋白表达水平比较,差异均无统计学意义(P﹥0.05)。β-catenin siRNA组的β-catenin mRNA和β-catenin蛋白表达水平、细胞存活率及c-myc、cyclin D1蛋白表达水平均低于对照组,细胞凋亡率和cleaved caspase 3蛋白表达水平均高于对照组,差异均有统计学意义(P﹤0.05)。结论干扰β-catenin的表达可能通过影响cyclin D1、c-myc、cleaved caspase 3蛋白的表达,抑制淋巴瘤细胞增殖,促进淋巴瘤细胞凋亡。
引用
收藏
页码:101 / 104
页数:4
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