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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
Mold exposure during infancy as a predictor of potential asthma development
Yulia Y Iossifova1, Tiina Reponen, Patrick H Ryan
1Department of Environmental Health, University of Cincinnati, Cincinnati, Ohio 45267-0056, USA.
Summary
Visible mold in homes during infancy significantly increases a child's risk of developing asthma by age 3. Maternal smoking also emerged as a key risk factor for childhood asthma development.
Area of Science:
- Environmental Health
- Pediatric Respiratory Medicine
- Allergy and Immunology
Background:
- Childhood asthma exacerbations are linked to mold exposure.
- Understanding early-life environmental factors is crucial for asthma prevention.
Purpose of the Study:
- To investigate the impact of visible mold and (1-3)-beta-D-glucan exposure in infancy on asthma risk at age 3.
- To define asthma risk using the Asthma Predictive Index (API).
Main Methods:
- Home inspections assessed visible mold presence.
- (1-3)-beta-D-glucan levels were quantified in settled dust samples.
- Asthma risk was determined by recurrent wheezing and API criteria at age 3.
Main Results:
- High visible mold exposure during infancy increased the likelihood of a positive API by 7 times.
- Low (1-3)-beta-D-glucan levels were associated with increased API risk, while high levels showed a decreased risk.
- Maternal smoking during infancy was a strong predictor of a positive API (aOR, 4.4).
Conclusions:
- High visible mold and maternal smoking are significant risk factors for developing asthma by age 3.
- (1-3)-beta-D-glucan exposure appears to have a protective effect against asthma development, contrasting with visible mold.
- Early environmental interventions targeting mold may be important for asthma prevention in children.
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