Abstract

Hepatitis C virus (HCV), a blood-borne virus, is one of the leading causes responsible for chronic hepatitis, liver cirrhosis and even hepatocellular carcinoma. At present precise mechanism of HCV infection has not been known yet, and no effective treatment and vaccination against HCV are available. However, recent findings show that apart from the function of viral partial package as the nucleocapsid protein, HCV core protein also participates in modulating cell apoptosis, lipid metabolism, transcription and antigen presentation, and has a close relationship with interferon resistance. HCV core protein has intense trans-activation effect and its interaction with the host protein accounts for persistent infection and hepatocellular tumorigenesis. Further cognition and analysis of molecular features of HCV core protein is of significance to elucidate persist HBV infection, mechanism underlying tumorigenesis induced by HCV, as well as impact of HCV on hepatic steatosis and interferon resistance.

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