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Usage Information

When viruses collide: hepatitis B virus reactivation after hepatitis C treatment
Ashwin Balagopal, Chloe L. Thio
Ashwin Balagopal, Chloe L. Thio
Published May 18, 2020
Citation Information: J Clin Invest. 2020;130(6):2823-2826. https://doi.org/10.1172/JCI137477.
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Commentary

When viruses collide: hepatitis B virus reactivation after hepatitis C treatment

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Abstract

Treatment for hepatitis C virus (HCV) with direct-acting antivirals (DAAs) in hepatitis B virus (HBV) coinfection can result in HBV reactivation. In this issue of the JCI, Cheng and colleagues explored the role of interferon signaling in the complex interaction between HBV and HCV using cell lines, mouse models, and samples from people with coinfection. Notably, HCV enhanced interferon signaling, as measured by interferon-stimulated gene (ISG) expression, and decreased HBV transcription and replication. Blockade of interferon signaling reversed the effects on HBV replication. Further, pharmacologic inhibition of HCV replication in vitro and in coinfected humanized mice also reduced interferon signaling and, correspondingly, increased HBV replication. Intriguingly, baseline serum levels of the ISG CXCL10 predicted HBV reactivation in a cohort of coinfected people taking DAAs. Determining how interferon signaling silences HBV transcription and whether serum CXCL10 predicts HBV reactivation in a clinical setting are questions that warrant further investigation.

Authors

Ashwin Balagopal, Chloe L. Thio

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Usage data is cumulative from May 2024 through May 2025.

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Figure 64 0
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