... pres-ence of exogenously added IFN-α, ethanol partially inhib-its the antiviral actions of IFN-α, involving inhibition of IFN-α induced Stat1 tyrosine phosphorylation. Analysis of the effects of chronic ... HCV replication in the presence of IFN. Inhibition of Jak-Stat signaling may involve ethanol perturbation of IFN-α induced changes in membrane fluidity, inhibition of IFN binding to its receptor, ... University, New York, NY, 3Department of Pathology, University of Washington, Seattle, USA, 4Department of Pathology, University of Washington, Seattle, USA and 5Departments of Laboratory Medicine,...