Abstract
Virus infection triggers IFN immune defenses in infected cells in part through viral nucleic acid interactions, but the pathways by which dsDNA and DNA viruses trigger innate defenses are only partially understood. Here we present evidence that both retinoic acid-induced gene I (RIG-I) and mitochondrial antiviral signaling protein (MAVS) are required for dsDNA-induced IFN-β promoter activation in a human hepatoma cell line (Huh-7), and that activation is efficiently blocked by the hepatitis C virus NS3/4A protease, which is known to block dsRNA signaling by cleaving MAVS. These findings suggest that dsDNA and dsRNA share a common pathway to trigger the innate antiviral defense response in human cells, although dsDNA appears to trigger that pathway upstream of the dsRNA-interacting protein RIG-I.
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Dates
Type | When |
---|---|
Created | 18 years, 3 months ago (May 15, 2007, 9:41 p.m.) |
Deposited | 3 years, 4 months ago (April 12, 2022, 4:38 p.m.) |
Indexed | 4 months, 2 weeks ago (April 11, 2025, 8:27 a.m.) |
Issued | 18 years, 3 months ago (May 22, 2007) |
Published | 18 years, 3 months ago (May 22, 2007) |
Published Online | 18 years, 3 months ago (May 22, 2007) |
Published Print | 18 years, 3 months ago (May 22, 2007) |
@article{Cheng_2007, title={Double-stranded DNA and double-stranded RNA induce a common antiviral signaling pathway in human cells}, volume={104}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.0703285104}, DOI={10.1073/pnas.0703285104}, number={21}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Cheng, Guofeng and Zhong, Jin and Chung, Josan and Chisari, Francis V.}, year={2007}, month=may, pages={9035–9040} }