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Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
Effect of pollutants in rhinitis
1Center for Environmental Medicine & Lung Biology, University of North Carolina at Chapel Hill, 104 Mason Farm Road, CB# 7310, School of Medicine, Chapel Hill, NC 27599-7310, USA. David_Peden@med.unc.edu
Air pollutants like ozone and particulate matter can worsen allergic rhinitis by promoting TH2 inflammation. The nasal airway
Area of Science:
- Immunology
- Environmental Health
- Respiratory Medicine
Background:
- Allergic rhinitis is a global health issue.
- Genetic and environmental factors contribute to its development.
- Environmental allergens are key triggers, but air pollutants also play a role.
Purpose of the Study:
- To investigate the impact of ozone and particulate air pollution on TH2-type inflammation in the nasal airway.
- To explore the protective mechanisms of the nasal airway against environmental irritants.
Main Methods:
- Review of existing literature on allergic rhinitis and air pollution.
- Analysis of the effects of ozone and particulate matter on nasal inflammation.
- Examination of the upper and lower airway defense systems.
Main Results:
- Ozone and particulate air pollution can induce or exacerbate TH2-type inflammation.
- The nasal airway has defense mechanisms against environmental irritants.
- These defenses help protect both the upper and lower airways from pollutant-induced damage.
Conclusions:
- Air pollutants represent a significant environmental factor in allergic rhinitis.
- Nasal defense mechanisms are crucial for mitigating the adverse effects of air pollution.
- Understanding these interactions is vital for managing allergic rhinitis in polluted environments.
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