MicroRNA-147 suppresses human hepatocellular carcinoma proliferation migration and chemosensitivity by inhibiting HOXC6.

Abstract:

:Patients with hepatocellular carcinoma (HCC) experience poor prognosis and low survival rates. In this study, we explored the molecular mechanism of microRNA-147 (miR-147) in regulating human HCC. We firstly used quantitative RT-PCR (qRT-PCR) to compare the expression levels of miR-147 between 7 HCC and two normal liver cell lines, as well as 10 paired primary HCC tissues and their adjacent non-carcinoma tissues. We found miR-147 was down-regulated in both HCC cell lines and primary HCCs tissues. HCC cell lines HepG2 and HuH7 were transfected with lentiviral vector of miR-147 mimics. We found overexpressing miR-147 significantly inhibited HCC in vitro proliferation and migration, increased 5-FU chemosensitivity, and reduced in vivo tumorigenicity. Luciferase, qRT-PCR and western blot assays showed that HOXC6 was the downstream target of miR-147, and both gene and protein levels of HOXC6 were down-regulated by miR-147 in HCC cells. SiRNA mediated HOXC6 knockdown inhibited in vitro proliferation and migration, and increased 5-FU chemosensitivity in HCC. On the other hand, HOXC6 overexpression reversed the inhibitory effect of miR-147 on HCC in vitro proliferation. Therefore, our results suggest that miR-147 can modulates HCC development through the regulation on HOXC6.

journal_name

Am J Cancer Res

authors

Sui CJ,Xu F,Shen WF,Dai BH,Lu JJ,Zhang MF,Yang JM

subject

Has Abstract

pub_date

2016-12-01 00:00:00

pages

2787-2798

issue

12

issn

2156-6976

journal_volume

6

pub_type

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