The role of IL-12, IL-23 and IFN-gamma in immunity to viruses - PubMed (original) (raw)

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The role of IL-12, IL-23 and IFN-gamma in immunity to viruses

Francesco Novelli et al. Cytokine Growth Factor Rev. 2004 Oct.

Abstract

IL-12, IL-23 and IFN-gamma form a loop and have been thought to play a crucial role against infectious viruses, which are the prototype of "intracellular" pathogens. In the last 10 years, the generation of knock-out (KO) mice for genes that control IL-12/IL-23-dependent IFN-gamma-dependent mediated immunity (STAT1, IFN-gammaR1, IFNgammaR2, IL-12p40 and IL-12Rbeta1) and the identification of patients with spontaneous germline mutations in these genes has led to a re-examination of the role of these cytokines in anti-viral immunity. We here review viral infections in mice and humans with genetic defects in the IL-12/IL-23-IFN-gamma axis. A comparison of the phenotypes observed in KO mice and deficient patients suggests that the human IL-12/IL-23-IFN-gamma axis plays a redundant role in immunity to most viruses, whereas its mouse counterparts play a more important role against several viruses.

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