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WWOX基因转染对卵巢癌干细胞增殖的抑制作用及其机制探讨 被引量:1

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摘要 目的探讨外源性WWOX基因转染对人卵巢癌干细胞增殖的抑制作用及机制。方法用脂质体介导的方法将pcDNA3.1-WWOX真核表达载体转染人卵巢癌干细胞,分为pcDNA3.1-WWOX重组质粒组、空质粒组及未转染组。应用G418筛选阳性细胞克隆并扩增,Western blot法检测各组细胞WWOX蛋白的表达,流式细胞仪分析细胞DNA周期变化,Western blot方法检测各组细胞Cyclin D1、CDK4蛋白的表达。结果重组质粒组WWOX蛋白高表达,空质粒组及未转染组细胞未检测到WWOX蛋白的表达。重组质粒组细胞的G0/G1期细胞比例高于空质粒组及未转染组(P<0.01),S期比例低于空质粒组及未转染组(P<0.01)。重组质粒组Cyclin D1、CDK4表达均低于空质粒组及未转染组(P<0.05)。结论 WWOX基因转染可能通过下调Cyclin D1、CDK4的表达而抑制人卵巢癌干细胞增殖,可能为卵巢癌的生物治疗开辟新的思路。
出处 《山东医药》 CAS 2014年第14期58-60,共3页 Shandong Medical Journal
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