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Suppression of autoimmune inflammation of the central nervous system by interleukin 10 secreted by interleukin 27–stimulated T cells

Suppression of autoimmune inflammation of the central nervous system by interleukin 10 secreted... Excessive inflammation occurs during infection and autoimmunity in mice lacking the α-subunit of the interleukin 27 (IL-27) receptor. The molecular mechanisms underlying this increased inflammation are incompletely understood. Here we report that IL-27 upregulated IL-10 in effector T cells that produced interferon-γ and expressed the transcription factor T-bet but did not express the transcription factor Foxp3. These IFN-γ+T-bet+Foxp3− cells resembled effector T cells that have been identified as the main source of host-protective IL-10 during inflammation. IL-27-induced production of IL-10 was associated with less secretion of IL-17, and exogenous IL-27 reduced the severity of adoptively transferred experimental autoimmune encephalomyelitis by a mechanism dependent on IL-10. Our data show that IL-27-induced production of IL-10 by effector T cells contributes to the immunomodulatory function of IL-27. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Immunology Springer Journals

Suppression of autoimmune inflammation of the central nervous system by interleukin 10 secreted by interleukin 27–stimulated T cells

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References (50)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Nature Publishing Group
Subject
Biomedicine; Biomedicine, general; Immunology; Infectious Diseases
ISSN
1529-2908
eISSN
1529-2916
DOI
10.1038/ni1540
Publisher site
See Article on Publisher Site

Abstract

Excessive inflammation occurs during infection and autoimmunity in mice lacking the α-subunit of the interleukin 27 (IL-27) receptor. The molecular mechanisms underlying this increased inflammation are incompletely understood. Here we report that IL-27 upregulated IL-10 in effector T cells that produced interferon-γ and expressed the transcription factor T-bet but did not express the transcription factor Foxp3. These IFN-γ+T-bet+Foxp3− cells resembled effector T cells that have been identified as the main source of host-protective IL-10 during inflammation. IL-27-induced production of IL-10 was associated with less secretion of IL-17, and exogenous IL-27 reduced the severity of adoptively transferred experimental autoimmune encephalomyelitis by a mechanism dependent on IL-10. Our data show that IL-27-induced production of IL-10 by effector T cells contributes to the immunomodulatory function of IL-27.

Journal

Nature ImmunologySpringer Journals

Published: Nov 11, 2007

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