IL-17A and Th17 Cells in Lung Inflammation: An Update on the Role of Th17 Cell Differentiation and IL-17R Signaling in Host Defense against InfectionReportar como inadecuado




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Clinical and Developmental ImmunologyVolume 2013 2013, Article ID 267971, 12 pages

Review ArticleCenter for Comparative Respiratory Biology and Medicine, University of California, Davis, CA 95616, USA

Received 16 March 2013; Accepted 27 June 2013

Academic Editor: Samuel Huber

Copyright © 2013 Hsing-Chuan Tsai et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The significance of Th17 cells and interleukin- IL-17A signaling in host defense and disease development has been demonstrated in various infection and autoimmune models. Numerous studies have indicated that Th17 cells and its signature cytokine IL-17A are critical to the airway’s immune response against various bacteria and fungal infection. Cytokines such as IL-23, which are involved in Th17 differentiation, play a critical role in controlling Klebsiella pneumonia K. pneumonia infection. IL-17A acts on nonimmune cells in infected tissues to strengthen innate immunity by inducing the expression of antimicrobial proteins, cytokines, and chemokines. Mice deficient in IL-17 receptor IL-17R expression are susceptible to infection by various pathogens. In this review, we summarize the recent advances in unraveling the mechanism behind Th17 cell differentiation, IL-17A-IL-17R signaling, and also the importance of IL-17A in pulmonary infection.





Autor: Hsing-Chuan Tsai, Sharlene Velichko, Li-Yin Hung, and Reen Wu

Fuente: https://www.hindawi.com/



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