Autophagy:揭示新的微小RNA对宫颈癌细胞恶性与核自噬的调控新机制

2019-01-13 佚名 天津医科大学

天津医科大学基础医学院汤华教授课题组最近报道了一种新的微小RNA(miR-G1)调控宫颈癌细胞恶性形为与核自噬。相关研究成果于近日在线发表在细胞自噬领域权威期刊《Autophagy》,题目为 “GRSF1-mediated MIR-G-1 promotes malignant behavior and nuclear autophagy by directly upregulating TMED5

天津医科大学基础医学院汤华教授课题组最近报道了一种新的微小RNA(miR-G1)调控宫颈癌细胞恶性形为与核自噬。相关研究成果于近日在线发表在细胞自噬领域权威期刊《Autophagy》,题目为 “GRSF1-mediated MIR-G-1 promotes malignant behavior and nuclear autophagy by directly upregulating TMED5 and LMNB1 in cervical cancer cells”。

微小RNA经典的作用方式是结合靶基因3’UTR从而抑制基因的表达,汤华教授课题组在微小RNA(miRNA)对肿瘤发生发展的调控及病毒增殖的研究过程中观察到微小RNA促进基因表达的现象,并发现了一种微小RNA促进基因表达的新机制,揭示一种RNA结合蛋白(GRSF1)介导微小RNA促进靶基因,进一步研究发现12种新的miRNA,本研究阐明了其中一种新的miRNA(miR-G1)在GRSF1介导下促进了靶基因TMED5的表达,从而激活了WNT-CTNNB1/β-catenin通路,促进了人宫颈癌细胞的发生发展;同时揭示GRSF1促进LMNB1的表达,调节细胞对基因组损伤应答及核自噬作用。

该研究表明miR-G1是一种新的重要的肿瘤发生发展及核自噬调节因子,证明了miRNA上调靶基因的新机制,也可能为肿瘤临床应用研究提供新的潜在生物靶标。

该研究得到国家自然科学基金重大研究计划集成项目、重点项目及面上项目等资助。

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    2019-01-17 1ddf0692m34(暂无匿称)

    学习了,长知识

    0

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    2019-01-15 yxch36
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    2019-01-15 bshuang
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    2019-01-15 一闲
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    2019-01-15 花花1372