MiR-145 reduces ADAM17 expression and inhibits in vitro migration and invasion of glioma cells.
MiR-145 reduces ADAM17 expression and inhibits in vitro migration and invasion of glioma cells.
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DOI:
10.3892/or.2012.2084
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发表时间:
2013-01
期刊:
影响因子:
4.2
通讯作者:
Jiang F
中科院分区:
文献类型:
--
作者:
Lu Y;Chopp M;Zheng X;Katakowski M;Buller B;Jiang F
MicroRNAs are important regulators of gene expression and have been suggested to play a key role in tumorigenesis. In this study, we show that miR-145 is significantly downregulated in glioma cell lines compared to normal brain tissue and negatively regulates tumorigenesis. Restoration of miR-145 in glioma cells significantly reduced in vitro proliferation, migration and invasion. Also, overexpression of miR-145 reduced ADAM17 and EGFR expression. In addition, we tested the hypothesis that the miR-145-mediated suppression of cell proliferation, migration and invasion is, at least in part, due to silencing of ADAM17 and EGFR gene expression. Using luciferase reporters carrying the 3′-untranslated region of ADAM17 combined with western blotting, we identified ADAM17 as a direct target of miR-145. Collectively, these results suggest that as a tumor suppressor, miR-145 inhibits not only tumor proliferation, but also cell migration and invasion, and warrants further investigation.
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影响因子:
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