长链非编码RNA PVT1通过激活Wnt信号通路对肝癌干细胞自我更新能力的调控

被引:5
|
作者
周龙
周显飞
聂寒秋
邢人伟
机构
[1] 台州市立医院肝胆血管外科
关键词
长链非编码RNA; PVT1; Wnt; 肝癌干细胞; 自我更新;
D O I
暂无
中图分类号
R735.7 [肝肿瘤];
学科分类号
摘要
目的:探讨长链非编码RNA PVT1通过激活Wnt信号通路对肝癌干细胞自我更新能力的调控作用。方法:设HEPG2肝癌干细胞组、LNCRNA PVT1 mimics组、LNCRNA PVT1 inhibitor组,培养结束后,检测各组细胞活力、单克隆形成数目、成球率、凋亡率水平、G1期、PVT1 mRNA、WNT、SWI、SNF蛋白表达水平。结果:LNCRNA PVT1 mimics组OD值、存活率水平、克隆形成数目、成球率、G1期、PVT1 mRNA、WNT、SWI、SNF蛋白表达水平高于HEPG2肝癌干细胞组(P<0.05),细胞凋亡率低于HEPG2肝癌干细胞组(P<0.05); LNCRNA PVT1 inhibitor组OD值、存活率、克隆形成数目、成球率、G1期、PVT1 mRNA、WNT、SWI、SNF蛋白表达水平低于HEPG2肝癌干细胞组、LNCRNA PVT1 mimics组(P<0.05),细胞凋亡率高于HEPG2肝癌干细胞组、LNCRNA PVT1 mimics组(P<0.05)。LNCRNA PVT1 mRNA与克隆形成数目、成球率、G1期、WNT、SWI、SNF正相关关系明显,与凋亡率负相关关系明显(P<0.05)。结论:LNCRNA PVT1通过激活SWI/SNF复合物进而激活Wnt信号传导来促进肝癌干细胞的自我更新和肿瘤增殖。
引用
收藏
页码:1997 / 2002
页数:6
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