Mitochondrial Dysfunction in Airway Disease

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

There is increasing appreciation that mitochondria serve cellular functions beyond oxygen sensing and energy production. Accordingly, it has become important to explore noncanonical roles of mitochondria in normal and pathophysiological processes that influence airway structure and function in the context of diseases such as asthma and COPD. Mitochondria can sense upstream processes such as inflammation, infection, tobacco smoke, and environmental insults important in these diseases and in turn can respond to such stimuli through altered mitochondrial protein expression, structure, and resultant dysfunction. Conversely, mitochondrial dysfunction has downstream influences on cytosolic and mitochondrial calcium regulation, airway contractility, gene and protein housekeeping, responses to oxidative stress, proliferation, apoptosis, fibrosis, and certainly metabolism, which are all key aspects of airway disease pathophysiology. Indeed, mitochondrial dysfunction is thought to play a role even in normal processes such as aging and senescence and in conditions such as obesity, which impact airway diseases. Thus, understanding how mitochondrial structure and function play central roles in airway disease may be critical for the development of novel therapeutic avenues targeting dysfunctional mitochondria. In this case, it is likely that mitochondria of airway epithelium, smooth muscle, and fibroblasts play differential roles, consistent with their contributions to disease biology, underlining the challenge of targeting a ubiquitous cellular element of existential importance. This translational review summarizes the current state of understanding of mitochondrial processes that play a role in airway disease pathophysiology and identifying areas of unmet research need and opportunities for novel therapeutic strategies.

Original languageEnglish (US)
Pages (from-to)618-626
Number of pages9
JournalChest
Volume152
Issue number3
DOIs
StatePublished - Sep 1 2017

Fingerprint

Mitochondria
Housekeeping
Mitochondrial Proteins
Smoke
Chronic Obstructive Pulmonary Disease
Tobacco
Smooth Muscle
Oxidative Stress
Fibrosis
Asthma
Epithelium
Obesity
Fibroblasts
Apoptosis
Oxygen
Inflammation
Calcium
Therapeutics
Infection
Research

Keywords

  • asthma
  • COPD
  • metabolism
  • oxidative stress
  • remodeling

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Mitochondrial Dysfunction in Airway Disease. / Prakash, Y.s.; Pabelick, Christina M; Sieck, Gary C.

In: Chest, Vol. 152, No. 3, 01.09.2017, p. 618-626.

Research output: Contribution to journalArticle

Prakash, Y.s. ; Pabelick, Christina M ; Sieck, Gary C. / Mitochondrial Dysfunction in Airway Disease. In: Chest. 2017 ; Vol. 152, No. 3. pp. 618-626.
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