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Noxa基因转染乳腺癌MCF-7细胞后的体外实验研究

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摘要 目的:探讨Noxa基因转染乳腺癌MCF-7细胞后对MCF-7细胞的影响。方法:利用脂质体将真核表达载体pIRES2-EGFP-Noxa瞬时转染至乳腺癌MCF-7细胞。通过RT-PCR检测转染后mRNA的表达情况。MTT比色法测定细胞增殖的抑制。Hoechst33342检测细胞的凋亡情况。结果:Noxa基因转染后在乳腺癌MCF-7细胞中成功表达,其转染后24、48、72h后mRNA表达量逐渐增高。Noxa基因的表达使得乳腺癌MCF-7细胞出现增殖抑制,其24、48、72h抑制率之间的差异具有显著性(P<0.05)。Hoechst33342染色显示Noxa基因转染后细胞出现凋亡,其24、48、72h凋亡率与阴性对照组相比,差异具有显著性(P<0.05)。结论:Noxa基因转染乳腺癌MCF-7细胞后能够抑制细胞增殖并促进其凋亡。
出处 《实用医学杂志》 CAS 北大核心 2010年第18期3290-3292,共3页 The Journal of Practical Medicine
基金 广东省科技计划资助项目(编号:2008B030301345)
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