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Primary prevention of asthma.
Allan B Becker1, Moira Chan-Yeung
1Section of Allergy and Clinical Immunology, Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada. becker@ms.umanitoba.ca
Current Opinion in Pulmonary Medicine
|December 26, 2001
Summary
Primary asthma prevention strategies are reviewed, focusing on gene-environment interactions like CD14 and endotoxin. Further research into genetic and environmental factors is needed for effective asthma prevention.
Area of Science:
- Epidemiology
- Immunology
- Genetics
Background:
- Asthma prevalence has significantly increased globally, especially in industrialized nations.
- Despite improved understanding, asthma remains incurable, highlighting the need for primary prevention.
- Asthma development involves complex gene-environment interactions.
Purpose of the Study:
- To review primary prevention strategies for asthma.
- To explore gene-environment interactions relevant to asthma development.
- To assess the potential of environmental factors in asthma prevention.
Main Methods:
- Review of candidate genes and their interaction with environmental factors (e.g., CD14 and endotoxin).
- Consideration of environmental risk factors: allergens, pollutants, infections, and diet.
- Brief review of ongoing international cohort studies on asthma prevention.
Main Results:
- The role of gene-environment interactions, such as CD14 and endotoxin exposure, is examined in relation to the hygiene hypothesis.
- Various environmental factors (allergens, pollutants, infections, diet) are evaluated for their primary prevention potential.
- Current cohort studies provide valuable data but require further analysis.
Conclusions:
- A comprehensive understanding of genetic predispositions and environmental triggers is crucial for developing effective primary asthma prevention approaches.
- No single primary prevention strategy can be aggressively promoted without more definitive knowledge.
- Continued research into gene-environment interactions is essential for future asthma prevention efforts.