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Semin Immunol. 2007 Dec;19(6):383-93. Epub 2008 Jan 14.

Targeting the development and effector functions of TH17 cells.

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Department of Molecular Biology, Genentech Inc., 1-DNA Way, South San Francisco, CA 94080, USA.


T helper (TH) cells can assume different phenotypes characterized by the secretion of distinct effector molecules. Interferon-gamma producing TH1 and IL-4 producing TH2 cells have long been recognized as important mediators of host defense, whereas regulatory T cells are known to suppress T cell responses. Recently, TH17 cells were characterized as a novel CD4(+) subset that preferentially produces IL-17, IL-17F, and IL-22 as the signature cytokines. TH17 cells appear to play a critical role in sustaining the inflammatory response and their presence is closely associated with autoimmune disease, which makes them an attractive therapeutic target. In this review, we focus on the mechanisms that regulate the differentiation of naive T cells into TH17 cells and on TH17 effector cytokines, as they represent opportunities for therapeutic intervention.

[Indexed for MEDLINE]

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