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Interleukin-17C promotes Th17 cell responses and autoimmune disease via interleukin-17 receptor E.

ABSTRACT: Although several interleukin-17 (IL-17) family members and their receptors have been recently appreciated as important regulators in inflammatory diseases, the function of other IL-17 cytokines and IL-17 receptor-like molecules is unclear. Here we show that an IL-17 cytokine family member, IL-17C, was induced in a Th17 cell-dependent autoimmune disease and was required for its pathogenesis. IL-17C bound to IL-17RE, a member of IL-17 receptor family whose full-length isoform was selectively expressed in Th17 cells and signaled via an IL-17RA-RE receptor complex and the downstream adaptor Act1. IL-17C-IL-17RE induced the expression of a nuclear IkappaB family member, I?B?, in Th17 cells to potentiate the Th17 cell response. Thus, our work has identified a cytokine-receptor pair with important function in regulating proinflammatory responses. This pathway may be targeted to treat autoimmune diseases.

SUBMITTER: Chang SH

PROVIDER: S-EPMC5800502 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Interleukin-17C promotes Th17 cell responses and autoimmune disease via interleukin-17 receptor E.

Chang Seon Hee SH Reynolds Joseph M JM Pappu Bhanu P BP Chen Guangjie G Martinez Gustavo J GJ Dong Chen C

Immunity 20111006 4

Although several interleukin-17 (IL-17) family members and their receptors have been recently appreciated as important regulators in inflammatory diseases, the function of other IL-17 cytokines and IL-17 receptor-like molecules is unclear. Here we show that an IL-17 cytokine family member, IL-17C, was induced in a Th17 cell-dependent autoimmune disease and was required for its pathogenesis. IL-17C bound to IL-17RE, a member of IL-17 receptor family whose full-length isoform was selectively expre ...[more]

PMID: 21982598

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