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Cited by 548

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Control of antiviral defenses through hepatitis C virus disruption of retinoic acid-inducible gene-I signaling

Open access
Foy, Eileen, Li, Kui, Sumpter, Rhea, Loo, Yueh-Ming, Johnson, Cynthia L., Wang, Chunfu, Fish, Penny Mar, Yoneyama, Mitsutoshi, Fujita, Takashi, Lemon, Stanley M., Gale, Michael·2005·Proceedings of the National Academy of Sciences

Abstract

Hepatitis C virus (HCV) is a major human pathogen that infects 170 million people. A hallmark of HCV is its ability to establish persistent infections reflecting the evasion of host immunity and interference with α/β-IFN innate immune defenses. We demonstrate that disruption of retinoic acid-inducible gene I (RIG-I) signaling by the viral NS3/4A protease contributes to the ability of HCV to control innate antiviral defenses. RIG-I was essential for virus or HCV RNA-induced signaling to the IFN-β promoter in human hepatoma cells. This signaling was disrupted by the protease activity of NS3/4A, which ablates RIG-I signaling of downstream IFN regulatory factor 3 and NF-κB activation, attenuating expression of host antiviral defense genes and interrupting an IFN amplification loop that otherwise suppresses HCV replication. Treatment of cells with an active site inhibitor of the NS3/4A protease relieved this suppression and restored intracellular antiviral defenses. Thus, NS3/4A control of RIG-I supports HCV persistence by preventing IFN regulatory factor 3 and NF-κB activation. Our results demonstrate that these processes are amenable to restoration through pharmacologic inhibition of viral protease function.

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Metadata

Authors
Foy, E., Li, K., Sumpter, R., Loo, Y.-M., Johnson, C. L., Wang, C., Fish, P. M., Yoneyama, M., Fujita, T., Lemon, S. M., & Gale, M.
Venue
Proceedings of the National Academy of Sciences
Published
2005-02-14
Volume
102
Issue
8
Pages
2986-2991
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2098676417
Cited by
548
References
28
FWCI
22.21
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Control of antiviral defenses through hepatitis C virus disruption of retinoic acid-inducible gene-I signaling. https://app.cochat.ai/papers/10.1073/pnas.0408707102
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Foy, E., Li, K., Sumpter, R., Loo, Y.-M., Johnson, C. L., Wang, C., Fish, P. M., Yoneyama, M., Fujita, T., Lemon, S. M., & Gale, M. (2005). Control of antiviral defenses through hepatitis C virus disruption of retinoic acid-inducible gene-I signaling. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0408707102

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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