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Critical Reviews™ in Eukaryotic Gene Expression
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ISSN Imprimir: 1045-4403
ISSN En Línea: 2162-6502

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Critical Reviews™ in Eukaryotic Gene Expression

DOI: 10.1615/CritRevEukaryotGeneExpr.2013007531
pages 275-282

Knockdown of ECHS1 Protein Expression Inhibits Hepatocellular Carcinoma Cell Proliferation via Suppression of Akt Activity

Chun Yao
Hospital
Yi-chen Dai
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China
Zhang-xing Chen
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China
Jun-pei Xie
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China
Wei Zeng
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China
Yuan-yuan Lin
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China
Qiu-hui Tan
Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China

SINOPSIS

Overexpression of ECHS1 occurs in different cancers, including hepatocellular carcinoma (HCC). ECHS1 is also reported to have an oncogenic activity in various human cancers. This study investigated the effect of ECHS1 knockdown on the regulation of HCC growth. ECHS1 shRNA suppressed the expression of ECHS1 protein in HepG2 cells compared to the negative control vector-transfected HCC cells. ECHS1 knockdown also reduced HCC cell viability and enhanced cisplatin-induced apoptosis in HCC cells. Akt activation and the expression of various cell cycle-related genes were inhibited following ECHS1 knockdown. ECHS1 shRNA suppressed hepatocellular carcinoma growth in tumor xenograft mice. These data demonstrate that ECHS1 may play a role in HCC progression, suggesting that inhibition of ECHS1 expression using ECHS1 shRNA should be further evaluated as a novel target for the control of HCC.

PALABRAS CLAVE: ECHS1, HepG2 cells, PI3K/Akt

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