Alcohol and airways function in health and disease

Research output: Contribution to journalReview article

98 Citations (Scopus)

Abstract

The volatility of alcohol promotes the movement of alcohol from the bronchial circulation across the airway epithelium and into the conducting airways of the lung. The exposure of the airways through this route likely accounts for many of the biologic effects of alcohol on lung airway functions. The effect of alcohol on lung airway functions is dependent on the concentration, duration, and route of exposure. Brief exposure to mild concentrations of alcohol may enhance mucociliary clearance, stimulates bronchodilation, and probably attenuates the airway inflammation and injury observed in asthma and chronic obstructive pulmonary disease (COPD). Prolonged and heavy exposure to alcohol impairs mucociliary clearance, may complicate asthma management, and likely worsens outcomes including lung function and mortality in COPD patients. Nonalcohol congeners and alcohol metabolites act as triggers for airway disease exacerbations especially in atopic asthmatics and in Asian populations who have a reduced capacity to metabolize alcohol. Research focused on the mechanisms of alcohol-mediated changes in airway functions has identified specific mechanisms that mediate alcohol effects within the lung airways. These include prominent roles for the second messengers calcium and nitric oxide, regulatory kinases including PKG and PKA, alcohol- and acetaldehyde-metabolizing enzymes such as aldehyde dehydrogenase 2. The role alcohol may play in the pathobiology of airway mucus, bronchial blood flow, airway smooth muscle regulation, and the interaction with other airway exposure agents, such as cigarette smoke, represents opportunities for future investigation.

Original languageEnglish (US)
Pages (from-to)293-307
Number of pages15
JournalAlcohol
Volume41
Issue number5
DOIs
StatePublished - Aug 1 2007

Fingerprint

alcohol
Alcohols
Health
Disease
health
Lung
Mucociliary Clearance
Pulmonary diseases
Chronic Obstructive Pulmonary Disease
Bridge clearances
Asthma
Aldehyde Dehydrogenase
Volatilization
Acetaldehyde
Second Messenger Systems
Mucus
Metabolites
Smoke
Tobacco Products
Smooth Muscle

Keywords

  • ALDH2
  • Acetaldehyde dehydrogenase 2
  • Alcohol
  • COPD
  • Chronic obstructive pulmonary disease
  • Cigarette smoke
  • Cilia
  • Ethanol
  • Lung epithelium
  • Mucociliary clearance
  • PKA
  • PKG
  • cAMP

ASJC Scopus subject areas

  • Health(social science)
  • Biochemistry
  • Toxicology
  • Neurology
  • Behavioral Neuroscience

Cite this

Alcohol and airways function in health and disease. / Sisson, Joseph Harold.

In: Alcohol, Vol. 41, No. 5, 01.08.2007, p. 293-307.

Research output: Contribution to journalReview article

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