miR-148a increases the sensitivity to cisplatin by targeting Rab14 in renal cancer cells.

Abstract:

:MicroRNA (miR) can exert various biological functions by targeting oncogenes or tumor suppressor genes in numerous human malignancies. Recent evidence has shown that miR-148a increases the drug sensitivity of various cancer cells. Herein, we show that ectopic expression of miR-148a induces apoptosis, reduces clonogenicity, and increases the sensitivity to TRAIL and cisplatin in renal cancer cells. The luciferase reporter assay showed that miR-148a negatively regulated ras-related protein 14 (Rab14) expression by binding to the miR-148a binding site in the 3' untranslated region (3'UTR) of Rab14. Rab14-specific siRNA-induced downregulation of Rab14 increases the sensitivity to cisplatin, while forced expression of Rab14 lacking 3'-UTR abrogated the pro-apoptotic function of miR-148a in renal cancer cells. These findings suggest that miR-148a acts as a tumor suppressor and holds great potential for renal cancer therapy by directly targeting Rab14.

journal_name

Int J Oncol

authors

Kim EA,Kim TG,Sung EG,Song IH,Kim JY,Doh KO,Lee TJ

doi

10.3892/ijo.2017.3851

subject

Has Abstract

pub_date

2017-03-01 00:00:00

pages

984-992

issue

3

eissn

1019-6439

issn

1791-2423

journal_volume

50

pub_type

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