miR-940 Suppresses Tumor Cell Invasion and Migration via Regulation of CXCR2 in Hepatocellular Carcinoma.

Abstract:

:Aim. To investigate the expression of miR-940 in the hepatocellular carcinoma (HCC) and its impact on function and biological mechanism in the HCC cells. Methods. Quantitative RT-PCR analysis was used to quantify miR-940 expression in 46 cases of tissues and cells. Transfection of HCC cell lines was performed by miR-940 mimics; the abilities of invasion and migration were assessed through Transwell array. Western blot represents the alteration in expression of CXCR2 by miR-940 mimics. Results. miR-940 expression was decreased significantly in the HCC tissues and the relevant cell lines. miR-940 upregulation suppressed the invasion and migration of HCC cells in vitro. Furthermore, the CXCR2 was downregulated to suppress invasion and migration after miR-940 mimics. Moreover, decreased miR-940 expression was negatively correlated with Edmondson grade (P = 0.008), tumor microsatellite or multiple tumors (P = 0.04), vascular invasion (P = 0.035), and recurrence and metastasis (P = 0.038). Kaplan-Meier analysis demonstrated that decreased miR-940 expression contributed to poor overall survival (P < 0.05). Conclusions. Our findings present that miR-940 acts as a pivotal adaptor of CXCR2 and its transcription downregulated CXCR2 expression to decrease HCC invasion and migration in vitro. Our study suggests that miR-940 may be a novel poor prognostic biomarker for HCC.

journal_name

Biomed Res Int

authors

Ding D,Zhang Y,Yang R,Wang X,Ji G,Huo L,Shao Z,Li X

doi

10.1155/2016/7618342

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

7618342

eissn

2314-6133

issn

2314-6141

journal_volume

2016

pub_type

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