Journal
GENE
Volume 626, Issue -, Pages 275-281Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gene.2017.05.040
Keywords
MiR-30b-5p; Proliferation; Metastasis; G-protein subunit alpha-13(GNA13); Renal cell carcinoma (RCC)
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Increasing evidence has demonstrated that aberrant microRNAs (miRNAs) play important roles in the pathogenesis of most human malignancies. The purpose of this study was to explore the role of miR-30b-5p in human RCC. In the current study, we firstly found that the expression levels of miR-30b-5p were lower in both RCC tissues and cell lines. Then, we found that enforced miR-30b-5p expression and knockdown of GNA13 significantly suppressed the proliferation, invasion, migration and EMT of RCC cell lines. In addition, miR-30b-5p directly targeted GNA13 and repressed its expression. Furthermore, re-expression of GNA13 (without the 3'-UTR) could partially abrogate the miR-30b-5p-induced cell proliferation and metastasis inhibition. Taken together, these findings indicated that miR-30b-5p acts as a novel tumor suppressor to regulate RCC cell proliferation, metastasis and EMT through downregulation of GNA13 expression. Therefore, miR-30b-5p may be considered a potential biomarker for the diagnosis of RCC.
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