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Asthma and indoor air: contrasts in the dose response to cat and dust‐mite
Author(s) -
Erwin E. A.,
Custis N.,
Ronmark E.,
Wickens K.,
Sporik R.,
Woodfolk J. A.,
PlattsMills T. A. E.
Publication year - 2005
Publication title -
indoor air
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.387
H-Index - 99
eISSN - 1600-0668
pISSN - 0905-6947
DOI - 10.1111/j.1600-0668.2005.00355.x
Subject(s) - environmental science , asthma , house dust mite , indoor air , mite , environmental health , toxicology , atmospheric sciences , environmental engineering , biology , medicine , ecology , immunology , physics , allergy , allergen
The role of the indoor environment in asthma is of major concern because (i) the disease has become more severe; (ii) we spend>or=90% of our lives indoors and (iii) a large proportion of asthmatic children and young adults are allergic to allergens found indoors. Recent evidence that children raised in a home with animals, i.e. indoor cat or dog, are less likely to become allergic has provided a great opportunity to understand the mechanisms controlling the prevalence of allergic disease. In addition the results pose a challenge to many of the hypotheses about reasons for the increase in asthma. The evidence that children or adults who make a modified TH2 response i.e. immunoglobulin (Ig)G and IgG4 ab without IgE, are not at increased risk of asthma strongly supports the role of IgE in asthma. Equally the results may give insight into a form of tolerance that could be a target for protecting patients against allergic disease.