Lambda Interferon Inhibits Hepatitis B and C Virus Replication

Author:

Robek Michael D.1,Boyd Bryan S.1,Chisari Francis V.1

Affiliation:

1. Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California

Abstract

ABSTRACT Lambda interferon (IFN-λ) induces an intracellular IFN-α/β-like antiviral response through a receptor complex distinct from the IFN-α/β receptor. We therefore determined the ability of IFN-λ to inhibit hepatitis B virus (HBV) and hepatitis C virus (HCV) replication. IFN-λ inhibits HBV replication in a differentiated murine hepatocyte cell line with kinetics and efficiency similar to IFN-α/β and does not require the expression of IFN-α/β or IFN-γ. Furthermore, IFN-λ blocked the replication of a subgenomic and a full-length genomic HCV replicon in human hepatocyte Huh7 cells. These results suggest the possibility that IFN-λ may be therapeutically useful in the treatment of chronic HBV or HCV infection.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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