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Th17/Treg Immunoregulation and Implications in Treatment of Sulfur Mustard Gas-Induced Lung Diseases Publisher Pubmed



Iman M1 ; Rezaei R2 ; Azimzadeh Jamalkandi S1 ; Shariati P3 ; Kheradmand F4 ; Salimian J1
Authors
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Authors Affiliations
  1. 1. Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
  2. 2. Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
  4. 4. Center for Translational Research in Inflammatory Diseases, Michael E. DeBakey VA, & Department of Medicine, Pulmonary and Critical Care, Baylor College of Medicine, Houston, TX, United States

Source: Expert Review of Clinical Immunology Published:2017


Abstract

Introduction: Sulfur mustard (SM) is an extremely toxic gas used in chemical warfare to cause massive lung injury and death. Victims exposed to SM gas acutely present with inhalational lung injury, but among those who survive, some develop obstructive airway diseases referred to as SM-lung syndrome. Pathophysiologically, SM-lung shares many characteristics with smoking-induced chronic obstructive pulmonary disease (COPD), including airway remodeling, goblet cell metaplasia, and obstructive ventilation defect. Some of the hallmarks of COPD pathogenesis, which include dysregulated lung inflammation, neutrophilia, recruitment of interleukin 17A (IL −17A) expressing CD4+T cells (Th17), and the paucity of lung regulatory T cells (Tregs), have also been described in SM-lung. Areas covered: A literature search was performed using the MEDLINE, EMBASE, and Web of Science databases inclusive of all literature prior to and including May 2017. Expert commentary: Here we review some of the recent findings that suggest a role for Th17 cell-mediated inflammatory changes associated with pulmonary complications in SM-lung and suggest new therapeutic approaches that could potentially alter disease progression with immune modulating biologics that can restore the lung Th17/Treg balance. © 2017 Informa UK Limited, trading as Taylor & Francis Group.
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