Hepatitis C Virus Inhibits Intracellular Interferon Alpha Expression in Human Hepatic Cell Lines *

Abstract excerpt

The chronicity of hepatitis C virus (HCV) infection raises the question of how HCV is able to persist in hepatic cells. We show that human primary hepatocytes and human hepatic cell lines (Huh7 and HepG2) spontaneously produce interferon (IFN)-alpha that is inhibited in the HCV replicon cells (Huh.8 and FCA-1). Silencing IFN-alpha gene expression by IFN-alpha small interfering RNA (siRNA) in the HCV replicon...

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