期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 20, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/ijms20112684
关键词
leiomyoma; microRNA 150-5p; Akt; p27(Kip1)
资金
- Dongwha Holdings Faculty Research Assistance Program of Yonsei University College of Medicine [6-2015-0065]
Uterine leiomyoma is found in similar to 50-80% of women of a reproductive age and is the most common reason for hysterectomy. Recently, posttranscriptional gene silencing by microRNAs (miRs) has been reported as a mechanism for regulating gene expression stability in the pathogenesis of uterine leiomyomas. In this study, miR microarray analysis of leiomyomas and paired myometrial tissue revealed numerous aberrantly expressed miRs, including miR-150. In functional assays, transfection with miR-150 mimic resulted in decreased migration and fibrosis, implying an inhibition of leiomyoma growth. To identify the target genes of miR-150 in leiomyoma, gene set analysis and network analysis were performed. To overcome the limitations of in silico analysis, changes in expression levels of hallmark genes in leiomyoma after transfection with a miR-150 mimic were also evaluated using qRT-PCR. As a result, the Akt/p27(Kip1) pathway was presumed to be one of the target pathways of miR-150. After transfecting cultured leiomyoma cells with the miR-150 mimic, expression levels of its target gene Akt decreased, whereas those of p27(Kip1) increased significantly. Our results suggest that miR-150 affects the cell cycle regulation in uterine leiomyoma through the Akt/p27(Kip1) pathway.
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