Innate lymphoid cells and allergic inflammation

Brian S. Kim, Elia D.Tait Wojno, David Artis

Research output: Contribution to journalReview articlepeer-review

74 Scopus citations

Abstract

Group 2 innate lymphoid cells (ILC2s) play critical roles in anti-helminth immunity and airway epithelial repair. Recently, these cells have also emerged as key players in the development of allergic inflammation at multiple barrier surfaces. ILC2s arise from common lymphoid progenitors in the bone marrow, are dependent on the transcription factors RORα, GATA3, and TCF-1 and produce the type 2 cytokines IL-4, IL-5, IL-9, and/or IL-13. The epithelial cell-derived cytokines IL-25, IL-33, and TSLP regulate the activation and effector functions of ILC2s, and recent studies suggest that their responsiveness to these cytokines and other factors may depend on their tissue environment. In this review, we focus on recent advances in our understanding of how ILC2s are differentially regulated in the context of allergic inflammation and discuss the therapeutic potential of targeting ILC2s in the treatment of allergic diseases.

Original languageEnglish
Pages (from-to)738-744
Number of pages7
JournalCurrent Opinion in Immunology
Volume25
Issue number6
DOIs
StatePublished - Dec 2013

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