Recent advances in epithelium-derived cytokines (IL-33, IL-25, and thymic stromal lymphopoietin) and allergic inflammation

Rohit Divekar, Hirohito Kita

Research output: Contribution to journalReview article

115 Scopus citations

Abstract

Purpose of Review: Allergic diseases are thought to be driven by aberrant immune responses. Epithelium responds to various environmental factors by releasing key cytokines, such as thymic stromal lymphopoietin (TSLP), IL-33, and IL-25. Although there are important differences among these cytokines, there are also similarities which confound a clear understanding of the exact roles of these cytokines. The purpose of this review is to analyze the advances in biology and functions of these cytokines over recent years, elucidate their differences and similarities, and provide new conceptual understanding as to their roles in allergic diseases. Recent Findings: There are distinct differences in the timing, onset, and kinetics of the responses and perhaps in the potency of action of TSLP, IL-33, and IL-25. Newer roles of these cytokines have been described, including airway remodeling and fibrosis-related functions (TSLP, IL-33, and IL-25), fetal-maternal interface (IL-33 and TSLP), T-cell biology (TSLP), group 2 innate lymphoid cell biology (TSLP, IL-33, and IL-25), and mast cell-neutrophil axis (IL-33). Novel roles of these cytokines in the pathogenesis of atopic dermatitis and asthma have also been described. Summary: TSLP, IL-25, and IL-33 are increasingly recognized to play important roles in the pathophysiology of allergic diseases. More clear recognition of the differences and similarities of the immunological pathways mediated by these cytokines would help optimize the treatment for allergic diseases.

Original languageEnglish (US)
Pages (from-to)98-103
Number of pages6
JournalCurrent Opinion in Allergy and Clinical Immunology
Volume15
Issue number1
DOIs
StatePublished - Feb 13 2015

Keywords

  • Airway remodeling
  • IL-25
  • IL-33
  • allergic inflammation
  • asthma
  • atopic dermatitis
  • thymic stromal lymphopoietin

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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