期刊
JOURNAL OF HEPATOLOGY
卷 54, 期 1, 页码 122-131出版社
ELSEVIER
DOI: 10.1016/j.jhep.2010.06.026
关键词
Dysadherin; Hepatocellular carcinoma; Cancer stem cell; Side population
资金
- Korean Government [2009-0072180]
Background & Aims: Hepatocellular carcinoma (HCC) is associated with a high potential for metastasis and disease recurrence, even after surgical resection. The cancer stem cell (CSC) hypothesis proposes that CSCs are responsible for chemo-resistance, recurrence, and metastasis. Dysadherin is a prognostic indicator of metastasis and poor survival in many different cancer types. In this study, we investigated the possible link between dysadherin and CSC in HCC. Methods: We analyzed the functional implications of dysadherin on cancer sternness by modification of the dysadherin gene in HCC cell lines. Results: The transfection of dysadherin cDNA into the liver cancer cell line PLC/PRF/5 enhanced the properties of CSCs, including anti-apoptosis, their sphere-forming ability, side population phenotype, and tumor initiation ability in vivo. Furthermore, knockdown of dysadherin in the liver cancer cell line SK-Hep1 suppressed its stem cell-like properties. Conclusions: These results show that dysadherin give rise to properties of CSC in HCC. Therefore, these findings suggest that dysadherin may be a potential molecular prognostic marker of HCC and may aid in the development of more effective therapies. (C) 2010 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.
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