Silencing cathepsin S gene expression inhibits growth, invasion and angiogenesis of human hepatocellular carcinoma in vitro |
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Authors: | Qi Fan Xuedi Wang Hanguang Zhang Chuanwei Li Junhua Fan Jing Xu |
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Institution: | Department of Hepatobiliary and Vascular Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China. |
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Abstract: | Cathepsin S (Cat S) plays an important role in tumor invasion and metastasis by its ability to degrade extracellular matrix (ECM). Our previous study suggested there could be a potential association between Cat S and hepatocellular carcinoma (HCC) metastasis. The present study was designed to determine the role of Cat S in HCC cell growth, invasion and angiogenesis, using RNA interference technology. Small interfering RNA (siRNA) sequences for the Cat S gene were synthesized and transfected into human HCC cell line MHCC97-H. The Cat S gene targeted siRNA-mediated knockdown of Cat S expression, leading to potent suppression of MHCC97-H cell proliferation, invasion and angiogenesis. These data suggest that Cat S might be a potential target for HCC therapy. |
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Keywords: | Cathepsin S Hepatocellular carcinoma Invasion Angiogenesis RNA interference |
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