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Coordinated and distinct roles for IFN-alpha beta, IL-12, and IL-15 regulation of NK cell responses to viral infection

Nguyen, Khuong B., Salazar-Mather, Thais P., Dalod, Marc Y, Van Deusen, Jeffrey B., Wei, Xiao-Qing, Liew, Foo Yew, Caligiuri, Michael A., Durbin, Joan E. and Biron, Christine A. 2002. Coordinated and distinct roles for IFN-alpha beta, IL-12, and IL-15 regulation of NK cell responses to viral infection. The Journal of Immunology 169 (8) , pp. 4279-4287.

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Abstract

NK cell cytotoxicity, IFN-γ expression, proliferation, and accumulation are rapidly induced after murine CMV infections. Under these conditions, the responses were shown to be elicited in overlapping populations. Nevertheless, there were distinct signaling molecule requirements for induction of functions within the subsets. IL-12/STAT4 was critical for NK cell IFN-γ expression, whereas IFN-αβ/STAT1 were required for induction of cytotoxicity. The accumulation/survival of proliferating NK cells was STAT4-independent but required IFN-αβ/STAT1 induction of IL-15. Taken together, the results define the coordinated interactions between the cytokines IFN-αβ, IL-12, and IL-15 for activation of protective NK cell responses during viral infections, and emphasize these factors’ nonredundant functions under in vivo physiological conditions.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Dentistry
Subjects: Q Science > QR Microbiology > QR180 Immunology
Publisher: American Association of Immunologists
ISSN: 0022-1767
Last Modified: 04 Jun 2017 04:16
URI: http://orca.cf.ac.uk/id/eprint/35689

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