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首页> 外文期刊>Neoplasma: Journal of Experimental and Clinical Oncology >Glioma cell proliferation is inhibited by miR-342-3p, miR-377/E2F1 signaling pathway
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Glioma cell proliferation is inhibited by miR-342-3p, miR-377/E2F1 signaling pathway

机译:MiR-342-3P,miR-377 / E2F1信号通路抑制胶质瘤细胞增殖

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In recent years, microRNAs (miRNAs) have been reported to be critical regulators to influence tumor genesis or its further progression by directly targeting downstream tumor related genes in glioma. However, there are still many underlying mechanisms related to miRNAs signaling pathway that remain to be uncovered. In the present study, we found that miR-342-3p and miR-377 inhibited the glioma cell line proliferation and arrested the cell cycle at G1 phase. Inhibition of miR-342-3p and miR-377 function promoted the cell proliferation. miR-342-3p and miR-377 target the E2F1 3'UTR to repress its expression on both mRNA and protein level. Downregulation of E2F1 inhibited the cell proliferation and arrested the cell cycle. Overexpression of E2F1 blocked the proliferation repression caused by miR-342-3p or miR-377 in glioma cells. This study showed the function of miR-342-3p, miR-377/E2F1 axis in regulating glioma cells proliferation and provided the potential therapeutic target.
机译:近年来,据报道,MicroRNA(miRNA)是通过直接靶向胶质瘤中的下游肿瘤相关基因来影响肿瘤成因或其进一步进展的临界调节剂。 然而,仍然存在与剩余待发现的miRNA信令通路相关的许多潜在机制。 在本研究中,我们发现miR-342-3p和miR-377抑制了胶质瘤细胞系增殖并在g1相中捕获细胞周期。 抑制miR-342-3p和miR-377功能促进了细胞增殖。 miR-342-3p和miR-377靶向E2F1 3'UTR,以压制其对mRNA和蛋白质水平的表达。 E2F1的下调抑制细胞增殖并捕获细胞周期。 E2F1的过度表达阻断了MiR-342-3P或MiR-377在胶质瘤细胞中引起的增殖抑制。 该研究表明miR-342-3p,miR-377 / E2f1轴在调节胶质瘤细胞增殖中的功能,并提供了潜在的治疗靶标。

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