Interaction of allergic airway inflammation and innate immunity: hygiene and beyond
2008
Interaction of Allergic Inflammation and Innate Immunity
publication
Evidence: moderate
Author Information
Author(s): Christoph Beisswenger, Robert Bals
Primary Institution: University of Pennsylvania School of Medicine
Hypothesis
How does microbial exposure during childhood affect the risk of developing asthma?
Conclusion
The interaction between the microbial environment and the immune system during childhood is crucial for preventing allergic diseases like asthma.
Supporting Evidence
- Infections are common triggers of asthma exacerbations.
- The hygiene hypothesis connects microbial exposure in childhood to lower asthma risk.
- Animal models show that certain bacterial products can protect against allergic inflammation.
- Th2-type inflammation can suppress the body's ability to fight bacterial infections.
Takeaway
Being around germs when you're little helps your body learn how to fight off allergies and asthma later on.
Methodology
The study utilized animal models to explore the effects of bacterial stimuli on allergic inflammation.
Limitations
The exact mechanisms by which allergic inflammation affects host defense are not fully understood.
Digital Object Identifier (DOI)
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