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- 2018
MUC1-siRNA对人舌癌Tca细胞迁移、侵袭及PI3K-Akt信号通路的影响
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Abstract:
摘要 目的:探讨MUC1对舌癌Tca8113细胞迁移、侵袭及PI3K-Akt信号通路的影响。方法:构建MUC1特异性siRNA质粒,利用脂质体Lipo fectamineTM2000将MUC1-siRNA质粒转入舌癌Tca8113细胞,同时设置阴性对照组及空白组,分别检测3组MUC1 mRNA及蛋白表达水平,Tca8113细胞增殖活性及凋亡情况、迁移和侵袭能力,并检测PI3K-Akt通路关键蛋白PI3K、p-Akt、Akt表达水平。结果:经双酶切、PCR及测序验证,成功构建MUC1-siRNA表达载体;干扰组MUC1 mRNA及蛋白表达水平明显低于阴性对照组及空白组(P＜0.05);MUC1-siRNA可明显对Tca8113细胞抑制增值和促进凋亡,降低Tca8113细胞PI3K、p-Akt、Akt蛋白表达水平和迁移及侵袭能力。结论:MUC1-siRNA可明显抑制舌癌Tca8113细胞增殖、迁移及侵袭能力,促进Tca8113细胞凋亡,推测其机制可能与抑制PI3K-Akt信号通路表达有关
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