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Arch Biochem Biophys. 2007 Jun 15;462(2):254-65. Epub 2007 Apr 16.

Subversion of innate host antiviral strategies by the hepatitis C virus.

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  • 1Department of Gastroenterology, Hepatology and Infectiology, Heinrich-Heine-University, Düsseldorf, Germany.


Since its discovery in 1989, Hepatitis C Virus (HCV) has been recognized as a major cause of chronic hepatitis, end-stage cirrhosis and hepatocellular carcinoma affecting world wide more than 210 million people. The fact that 80% of newly infected patients fail to control infection, the slow development of overt disease and immune-response as well as the unsatisfying results of current IFN/ribavirin combination therapy suggests that the hepatitis C virus developed powerful strategies to evade and to antagonize the immune response of the host and to resist the antiviral actions of interferons. During the last 10 years several viral strategies have been uncovered for control and evasion from cellular antiviral host response initiated by the pathogen-associated molecular pattern recognizing receptors RIG1 and TLR3 and mediated by the release of type I interferon and subsequent induction of interferon stimulated genes. This review highlights recent results providing an idea of how the hepatitis C virus interferes with the different steps of initial antiviral host-response and establishes persistent infection.

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