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Survivin D53A突变体对宫颈癌细胞增殖和凋亡的影响 被引量:1

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摘要 目的观察Survivin D53A突变体对宫颈癌细胞增殖和凋亡的影响。方法体外培养宫颈癌He La细胞,随机分为空白对照组、脂质体组、p ORF9组及Survivin D53A组。空白对照组不干预;脂质体组给予5μL阳离子脂质体DOTAP/Chol;PORF9组给予含2μg对照质粒p ORF9和5μL阳离子脂质体DOTAP/Chol转染;Survivin D53A组给予含2μg Survivin D53A质粒和5μL阳离子脂质体DOTAP/Chol转染。各组转染后,采用PI染色观察细胞凋亡形态学变化,MTT法检测细胞存活率,克隆形成实验检测细胞克隆形成数目,流式细胞术检测细胞凋亡率。结果PI染色、荧光显微镜下观察,Survivin D53A组可见明显的细胞核碎裂以及凋亡小体,其余三组均未见细胞核碎裂以及凋亡小体。空白对照组、脂质体组、p ORF9组、Survivin D53A组细胞存活率分别为100%、92.5%±4.3%、88.6%±8.5%、54.3%±3.7%,细胞克隆形成数目分别为(289.0±47.3)、(257.0±35.9)、(225.0±38.9)、(45.8±15.8)个,凋亡率分别为3.8%±1.4%、11.4%±3.7%、15.7%±2.5%和48.9%±7.1%。与其他三组比较,Survivin D53A组细胞存活率、细胞克隆形成数目明显降低,细胞凋亡率明显升高(P均<0.05)。结论 Survivin D53A突变体能够显著抑制宫颈癌细胞增殖,促进其凋亡。
作者 彭星辰 王铭
出处 《山东医药》 CAS 北大核心 2015年第40期32-34,共3页 Shandong Medical Journal
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