期刊
JOURNAL OF CELLULAR BIOCHEMISTRY
卷 119, 期 3, 页码 2492-2500出版社
WILEY
DOI: 10.1002/jcb.26343
关键词
glioma; miR-622; proliferation; YAP1
It has recently been shown that miR-622 plays a tumor suppressive role in many human cancers. However, the exact function and underlying mechanism are still unknown. Here, we reported that the level of miR-622 is clearly reduced in human glioma tissues in comparison with normal brain tissues and is negatively correlated with the histological grades. Additionally, ectopically expressed miR-622 significantly inhibited cell proliferation and induced cell cycle arrest at the G0/G1 phase in glioma cells. Furthermore, the bioinformatics analysis revealed that YAP1 possesses putative miR-622-binding sites within its 3'UTR. Consequently, an elevated miR-622 level was found to suppress the luciferase reporter activity of YAP1 3'UTR, and the effect was diminished by the deletion of the miR-622 seed binding site. In addition, the level of YAP1 protein expression was significantly decreased after the overexpression of miR-622. These results indicate a negative link between miR-622 and YAP1 and further confirm that YAP1 is a direct target of miR-622, suggesting that miR-622 could be a new important therapeutic strategy for gliomas treatment.
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