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Evasion of the Interferon-Mediated Antiviral Response by Filoviruses

Dual Role of p53 in Innate Antiviral Immunity

Centro Nacional de Biotecnologia, CSIC, Darwin 3, Campus Universidad Autónoma, Madrid 28049, Spain
Department of Oncological Sciences, Mount Sinai School of Medicine, One Gustave L. Levy Place Box 1130, New York, NY 10029, USA
Author to whom correspondence should be addressed.
Viruses 2010, 2(1), 298-313;
Received: 1 September 2009 / Revised: 11 January 2010 / Accepted: 19 January 2010 / Published: 22 January 2010
(This article belongs to the Special Issue Interferon Antiviral Response and Viral Evasion)
Tumor suppressor p53 is widely known as ‘the guardian of the genome’ due to its ability to prevent the emergence of transformed cells by the induction of cell cycle arrest and apoptosis. However, recent studies indicate that p53 is also a direct transcriptional target of type I interferons (IFNs) and thus, it is activated by these cytokines upon viral infection. p53 has been shown to contribute to virus-induced apoptosis, therefore dampening the ability of a wide range of viruses to replicate and spread. Interestingly, recent studies also indicate that several IFN-inducible genes such as interferon regulatory factor 9 (IRF9), IRF5, IFN-stimulated gene 15 (ISG15) and toll-like receptor 3 (TLR3) are in fact, p53 direct transcriptional targets. These findings indicate that p53 may play a key role in antiviral innate immunity by both inducing apoptosis in response to viral infection, and enforcing the type I IFN response, and provide a new insight into the evolutionary reasons why many viruses encode p53 antagonistic proteins. View Full-Text
Keywords: p53; interferon; immunity; apoptosis p53; interferon; immunity; apoptosis
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MDPI and ACS Style

Rivas, C.; Aaronson, S.A.; Munoz-Fontela, C. Dual Role of p53 in Innate Antiviral Immunity. Viruses 2010, 2, 298-313.

AMA Style

Rivas C, Aaronson SA, Munoz-Fontela C. Dual Role of p53 in Innate Antiviral Immunity. Viruses. 2010; 2(1):298-313.

Chicago/Turabian Style

Rivas, Carmen, Stuart A. Aaronson, and Cesar Munoz-Fontela. 2010. "Dual Role of p53 in Innate Antiviral Immunity" Viruses 2, no. 1: 298-313.

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