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Biochem Biophys Res Commun. 2014 Mar 28;446(1):61-7. doi: 10.1016/j.bbrc.2014.02.049. Epub 2014 Feb 21.

TCP10L acts as a tumor suppressor by inhibiting cell proliferation in hepatocellular carcinoma.

Author information

1
State Key Laboratory of Genetic Engineering, Institute of Genetics, Fudan University, Shanghai 200433, PR China.
2
State Key Laboratory of Genetic Engineering, Institute of Genetics, Fudan University, Shanghai 200433, PR China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, PR China. Electronic address: longyu@fudan.edu.cn.

Abstract

TCP10L (T-complex 10 (mouse)-like) has been identified as a liver and testis-specific gene. Although a potential transcriptional suppression function of TCP10L has been reported previously, biological function of this gene still remains largely elusive. In this study, we reported for the first time that TCP10L was significantly down-regulated in clinical hepatocellular carcinoma (HCC) samples when compared to the corresponding non-tumorous liver tissues. Furthermore, TCP10L expression was highly correlated with advanced cases exceeding the Milan criteria. Overexpression of TCP10L in HCC cells suppressed colony formation, inhibited cell cycle progression through G0/G1 phase, and attenuated cell growth in vivo. Consistently, silencing of TCP10L promoted cell cycle progression and cell growth. Therefore, our study has revealed a novel suppressor role of TCP10L in HCC, by inhibiting proliferation of HCC cells, which may facilitate the diagnosis and molecular therapy in HCC.

KEYWORDS:

Cell proliferation; Hepatocellular carcinoma; T-complex 10 (mouse)-like

PMID:
24565846
DOI:
10.1016/j.bbrc.2014.02.049
[Indexed for MEDLINE]
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