Interleukin 27 negatively regulates the development of interleukin 17-producing T helper cells during chronic inflammation of the central nervous system - PubMed (original) (raw)

doi: 10.1038/ni1376. Epub 2006 Aug 13.

Arian Laurence, Emma H Wilson, Elaine Huang, Cristina M Tato, Leanne M Johnson, Alejandro V Villarino, Qiulong Huang, Akihiko Yoshimura, David Sehy, Christiaan J M Saris, John J O'Shea, Lothar Hennighausen, Matthias Ernst, Christopher A Hunter

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Interleukin 27 negatively regulates the development of interleukin 17-producing T helper cells during chronic inflammation of the central nervous system

Jason S Stumhofer et al. Nat Immunol. 2006 Sep.

Abstract

Studies have focused on the events that influence the development of interleukin 17 (IL-17)-producing T helper cells (T(H)-17 cells) associated with autoimmunity, such as experimental autoimmune encephalitis, but relatively little is known about the cytokines that antagonize T(H)-17 cell effector responses. Here we show that IL-27 receptor-deficient mice chronically infected with Toxoplasma gondii developed severe neuroinflammation that was CD4+ T cell dependent and was associated with a prominent IL-17 response. In vitro, treatment of naive primary T cells with IL-27 suppressed the development T(H)-17 cells induced by IL-6 and transforming growth factor-beta, which was dependent on the intracellular signaling molecule STAT1 but was independent of inhibition of IL-6 signaling mediated by the suppressor protein SOCS3. Thus IL-27, a potent inhibitor of T(H)-17 cell development, may be a useful target for treating inflammatory diseases mediated by these cells.

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