Autophagy in airway diseases: A new frontier in human asthma?

Amir Zeki, B. Yeganeh, Nicholas Kenyon, M. Post, S. Ghavami

Research output: Contribution to journalReview article

24 Citations (Scopus)

Abstract

The study of autophagy ('self-eating'), a fundamental cell fate pathway involved in physiological and pathological subcellular processes, opens a new frontier in the continuous search for novel therapies for human asthma. Asthma is a complex syndrome with different disease phenotypes. Autophagy plays a central role in cell physiology, energy and metabolism, and cell survival. Autophagy's hallmark is the formation of double-membrane autophagic autophagosomes, and this process is operational in airway epithelial and mesenchymal cells in asthma. Genetic associations between autophagy genes and asthma have been observed including single nucleotide polymorphisms in Atg5 which correlate with reduced lung function. Immune mechanisms important in asthma such as Th2 cells and eosinophils also manifest autophagy. Lastly, we address the role of autophagy in extracellular matrix deposition and fibrosis in asthmatic airways remodeling, a pathologic process still without effective therapy, and discuss potential pharmacologic inhibitors. We end by offering two opposing but plausible hypotheses as to how autophagy may be directly involved in airway fibrosis.

Original languageEnglish (US)
Pages (from-to)5-14
Number of pages10
JournalAllergy: European Journal of Allergy and Clinical Immunology
Volume71
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

Autophagy
Asthma
Pathologic Processes
Fibrosis
Airway Remodeling
Cell Physiological Phenomena
Th2 Cells
Eosinophils
Energy Metabolism
Single Nucleotide Polymorphism
Extracellular Matrix
Cell Survival
Eating
Epithelial Cells
Phenotype
Lung
Membranes
Therapeutics
Genes

Keywords

  • asthma
  • autophagy
  • fibrosis
  • hypotheses
  • remodeling

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Autophagy in airway diseases : A new frontier in human asthma? / Zeki, Amir; Yeganeh, B.; Kenyon, Nicholas; Post, M.; Ghavami, S.

In: Allergy: European Journal of Allergy and Clinical Immunology, Vol. 71, No. 1, 01.01.2016, p. 5-14.

Research output: Contribution to journalReview article

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