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Innate Lymphoid Cells Are Pivotal Actors in Allergic, Inflammatory and Autoimmune Diseases Publisher Pubmed



Sanati G1 ; Aryan Z1, 3 ; Barbadi M2 ; Rezaei N2, 4, 5
Authors
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Authors Affiliations
  1. 1. Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Molecular Immunology Research Center, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Stud. Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Universal Scientific Education and Research Network (USERN), Tehran, Iran

Source: Expert Review of Clinical Immunology Published:2015


Abstract

Innate lymphoid cells (ILCs) are lymphoid cells that do not express V(D)J-rearranged receptors and play a role in the innate immune system. ILCs are categorized into three groups with respect to their function in the immune system. ILC1 induces production of IFN-γ via T-box expressed on T cells, ILC2 promotes production of type 2 cytokines via GATA-binding protein-3 and ILC3 promotes IL-17 and IL-22 production via retinoic acid receptor-related orphan receptor-γt. ILCs can maintain homeostasis in epithelial surfaces by responding to locally produced cytokines or direct recognition of danger patterns. Altered epithelial barrier function seems to be a key point in inappropriate activation of ILCs to promote inflammatory and allergic responses. ILCs play an essential role in initiation and maintenance of defense against infections as well as immune-mediated diseases. In this paper, we discuss the role of ILCs in inflammatory, allergic and autoimmune diseases. © 2015 Informa UK, Ltd.
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