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Searching for Interferon-Induced Genes That Inhibit Hepatitis B Virus Replication in Transgenic Mouse Hepatocytes

By Stefan F. Wieland, Raquel G. Vega, Rolf Müller, Claire F. Evans, Brian Hilbush, Luca G. Guidotti, J. Gregor Sutcliffe, Peter G. Schultz and Francis V. Chisari


We have previously shown that alpha/beta interferon (IFN-α/β) and IFN-γ inhibit hepatitis B virus (HBV) replication noncytopathically in the livers of HBV transgenic mice and in hepatocyte cell lines derived from these mice. The present study was designed to identify transcriptionally controlled hepatocellular genes that are tightly associated with the inhibition of HBV replication and that might, therefore, mediate the antiviral effect of these cytokines. Twenty-nine genes were identified, many of which have known or potential antiviral activity. Notably, multiple components of the immunoproteasome and ubiquitin-like proteins were strongly induced by both IFN-α/β and IFN-γ, as were a number of GTP-binding proteins, including GTPases with known antiviral activity, chemokines, signaling molecules, and miscellaneous genes associated with antigen processing, DNA-binding, or cochaperone activity and several expressed sequence tags. The results suggest that one or more members of this relatively small subset of genes may mediate the antiviral effect of IFN-α/β and IFN-γ against HBV. We have already exploited this information by demonstrating that the antiviral activity of IFN-α/β and IFN-γ is proteasome dependent

Topics: Virus-Cell Interactions
Publisher: American Society for Microbiology
Year: 2003
DOI identifier: 10.1128/JVI.77.2.1227-1236.2003
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Provided by: PubMed Central
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