Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma

Allergic diseases including asthma, chronic rhinosinusitis, and atopic dermatitis are common conditions worldwide. While type 2 immune responses induced by T-cells significantly cause allergic inflammation, the recently identified group two innate lymphoid cells (ILC2s) are emerging as critical play...

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Main Authors: Benjamin P. Hurrell, Pedram Shafiei Jahani, Omid Akbari
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-11-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fimmu.2018.02694/full
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author Benjamin P. Hurrell
Pedram Shafiei Jahani
Omid Akbari
author_facet Benjamin P. Hurrell
Pedram Shafiei Jahani
Omid Akbari
author_sort Benjamin P. Hurrell
collection DOAJ
description Allergic diseases including asthma, chronic rhinosinusitis, and atopic dermatitis are common conditions worldwide. While type 2 immune responses induced by T-cells significantly cause allergic inflammation, the recently identified group two innate lymphoid cells (ILC2s) are emerging as critical players in the development of allergy. Upon allergen exposure, ILC2s are rapidly activated by cytokines released by epithelial cells. Activated ILC2s release various effector cytokines altogether contributing to the pathogenesis of allergy and can even cause inflammation in the absence of T-cells, as observed in asthma. Although the factors inducing ILC2 activation have been identified, evidence suggests that multiple factors can enhance or repress ILC2 proliferation, trafficking, or secretion of effector cytokines upon allergic inflammation. In this review, we discuss the recent findings that influence ILC2 activation and the resulting effects on the pathogenesis of allergy. A better understanding of how ILC2s are modulated will open the door to the development of new therapeutic strategies against allergic diseases.
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spelling doaj.art-6574d13523e743daad4a09bae0fc20852022-12-21T21:11:30ZengFrontiers Media S.A.Frontiers in Immunology1664-32242018-11-01910.3389/fimmu.2018.02694426331Social Networking of Group Two Innate Lymphoid Cells in Allergy and AsthmaBenjamin P. HurrellPedram Shafiei JahaniOmid AkbariAllergic diseases including asthma, chronic rhinosinusitis, and atopic dermatitis are common conditions worldwide. While type 2 immune responses induced by T-cells significantly cause allergic inflammation, the recently identified group two innate lymphoid cells (ILC2s) are emerging as critical players in the development of allergy. Upon allergen exposure, ILC2s are rapidly activated by cytokines released by epithelial cells. Activated ILC2s release various effector cytokines altogether contributing to the pathogenesis of allergy and can even cause inflammation in the absence of T-cells, as observed in asthma. Although the factors inducing ILC2 activation have been identified, evidence suggests that multiple factors can enhance or repress ILC2 proliferation, trafficking, or secretion of effector cytokines upon allergic inflammation. In this review, we discuss the recent findings that influence ILC2 activation and the resulting effects on the pathogenesis of allergy. A better understanding of how ILC2s are modulated will open the door to the development of new therapeutic strategies against allergic diseases.https://www.frontiersin.org/article/10.3389/fimmu.2018.02694/fullILC2allergic diseaseasthmaactivationinhibition
spellingShingle Benjamin P. Hurrell
Pedram Shafiei Jahani
Omid Akbari
Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
Frontiers in Immunology
ILC2
allergic disease
asthma
activation
inhibition
title Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
title_full Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
title_fullStr Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
title_full_unstemmed Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
title_short Social Networking of Group Two Innate Lymphoid Cells in Allergy and Asthma
title_sort social networking of group two innate lymphoid cells in allergy and asthma
topic ILC2
allergic disease
asthma
activation
inhibition
url https://www.frontiersin.org/article/10.3389/fimmu.2018.02694/full
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AT omidakbari socialnetworkingofgrouptwoinnatelymphoidcellsinallergyandasthma