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Cited by 388

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Virus-specific Activation of a Novel Interferon Regulatory Factor, IRF-5, Results in the Induction of Distinct Interferon α Genes

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Barnes, Betsy J., Moore, Paul A., Pitha, Paula M.·2001·Journal of Biological Chemistry

Abstract

Interferon regulatory factor (IRF) genes encode DNA-binding proteins that are involved in the innate immune response to infection. Two of these proteins, IRF-3 and IRF-7, serve as direct transducers of virus-mediated signaling and play critical roles in the induction of type I interferon genes. We have now shown that another factor, IRF-5, participates in the induction of interferon A (IFNA) and IFNB genes and can replace the requirement for IRF-7 in the induction of IFNA genes. We demonstrate that, despite the functional similarity, IRF-5 possesses unique characteristics and does not have a redundant role. Thus, 1) activation of IRF-5 by phosphorylation is virus-specific, and its in vivo association with the IFNA promoter can be detected only in cells infected with NDV, not Sendai virus, while both viruses activate IRF-3 and IRF-7, and 2) NDV infection of IRF-5-overexpressing cells preferentially induced the IFNA8 subtype, while IFNA1 was primarily induced in IRF-7 expressing cells. These data indicate that multiple signaling pathways induced by infection may be differentially recognized by members of the IRF family and modulate transcription of individual IFNA genes in a virus and cell type-specific manner.

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Metadata

Authors
Barnes, B. J., Moore, P. A., & Pitha, P. M.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2001-06
Volume
276
Issue
26
Pages
23382-23390
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2011330612
Cited by
388
References
3
FWCI
5.12
Type
journal article
Language
en
Open access
hybrid

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