Cysteinyl leukotriene metabolism of human eosinophils in allergic disease

Jun Miyata, Koichi Fukunaga, Yusuke Kawashima, Osamu Ohara, Makoto Arita

Research output: Contribution to journalReview article

Abstract

Eosinophils are multifaceted immune cells with diverse functions that enhance allergic inflammation. Cysteinyl leukotrienes (cys-LTs), mainly synthesized in eosinophils, are a class of inflammatory lipid mediators produced via multiple enzymatic reactions from arachidonic acid. Multiple clinical studies have reported dysregulated fatty acid metabolism in severe asthma and aspirin-exacerbated respiratory diseases. Therefore, understanding the mechanism responsible for this metabolic abnormality has attracted a lot of attention. In eosinophils, various stimuli (including cytokines, chemokines, and pathogen-derived factors) prime and/or induce leukotriene generation and secretion. Cell–cell interactions with component cells (endothelial cells, epithelial cells, fibroblasts) also enhance this machinery to augment allergic responses. Nasal polyp-derived eosinophils from patients with eosinophilic rhinosinusitis present a characteristic fatty acid metabolism with selectively higher production of leukotriene D4. Interestingly, type 2 cytokines and microbiome components might be responsible for this metabolic change with altered enzyme expression. Here, we review the regulation of fatty acid metabolism, especially cys-LT metabolism, in human eosinophils toward allergic inflammatory status.

Original languageEnglish
JournalAllergology International
DOIs
Publication statusPublished - 2019 Jan 1

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Eosinophils
Fatty Acids
Cytokines
Leukotriene D4
Nasal Polyps
Leukotrienes
Microbiota
Cellular Structures
Chemokines
Arachidonic Acid
Aspirin
Asthma
Endothelial Cells
Fibroblasts
Epithelial Cells
cysteinyl-leukotriene
Inflammation
Lipids
Enzymes

Keywords

  • Aspirin-exacerbated respiratory disease
  • Asthma
  • Cysteinyl leukotrienes
  • Eosinophilic rhinosinusitis
  • Eosinophils

ASJC Scopus subject areas

  • Immunology and Allergy

Cite this

Cysteinyl leukotriene metabolism of human eosinophils in allergic disease. / Miyata, Jun; Fukunaga, Koichi; Kawashima, Yusuke; Ohara, Osamu; Arita, Makoto.

In: Allergology International, 01.01.2019.

Research output: Contribution to journalReview article

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