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凋亡素基因在人肝细胞和肝癌细胞中的定位观察及对线粒体膜电位的影响 被引量:1

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摘要 目的观察转染的pEGFP-VP3融合基因在人肝细胞L-02及肝癌细胞HepG-2中的定位表达及其与线粒体膜电位关系的研究。方法构建pEGFP-VP3融合基因,利用人源正常肝细胞株L-02及肝癌细胞株HepG-2,经Lipofectamine 2000转染细胞,在激光共聚焦显微镜下观察pEGFP-VP3融合基因的表达,DAPI染色成功观测该蛋白在细胞中的定位,线粒体膜电位染色观察膜电位的变化。结果 pEGFP-VP3融合基因转染后可观察到在人肝细胞L-02及肝癌细胞HepG-2细胞核中的高表达,及线粒体膜电位下降的改变。结论凋亡素诱导线粒体途径的凋亡,为后期进一步研究VP3的凋亡机制及其抗肿瘤治疗奠定了基础。
出处 《广东医学》 CAS CSCD 北大核心 2011年第18期2379-2381,共3页 Guangdong Medical Journal
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