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微小RNA-16参与上皮性卵巢癌细胞周期调控的实验研究 被引量:2

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摘要 目的:研究微小RNA-16(miR-16)调控靶基因CCND1及其蛋白表达产物-细胞周期相关蛋白D1(cyclinD1)在卵巢肿瘤细胞系SKOV3及其耐药株SKOV3/DDP中的表达,并初步探讨其逆转卵巢癌耐药的可能机制。方法:脂质体Lipofectamine2000介导miR-16成体模拟物(mimics)及其阴性对照片段(NC)成功转染人卵巢癌细胞顺铂耐药株SKOV3/DDP;流式细胞仪检测转染前后细胞周期的变化;Western blot法检测转染前后cyclinD1表达的变化。结果:(1)成功转染miR-16后,SKOV3/DDP细胞系G1期细胞所占比例显著升高(P<0.01);(2)SKOV3/DDP细胞的cyclinD1蛋白相对表达量显著高于SKOV3细胞;转染miR-16后,cyclinD1相对表达量显著下降(P<0.01)。结论:miR-16很可能通过下调靶基因CCND1及cyclinD1蛋白的表达,阻止细胞由G1期向S期转换,抑制肿瘤细胞无限增殖与生长。
出处 《现代妇产科进展》 CSCD 2013年第10期840-842,共3页 Progress in Obstetrics and Gynecology
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