Document Detail

Population-based study of multiplexed IgE sensitization in relation to asthma, exhaled nitric oxide, and bronchial responsiveness.
MedLine Citation:
PMID:  22633327     Owner:  NLM     Status:  Publisher    
BACKGROUND: IgE sensitization is an important risk factor for the development of asthma. OBJECTIVE: The aim of this study was to investigate the IgE antibody profile for a broad spectrum of allergen molecules in asthmatic patients. METHODS: Participants from the European Community Respiratory Health Survey II (n = 467) were tested with ImmunoCAP ISAC against 103 allergen molecules. The presence of bronchial hyperresponsiveness was measured with a methacholine challenge test and bronchial inflammation with fraction of exhaled nitric oxide (Feno). RESULTS: A total of 38% of the controls and 72% of the asthmatic patients were sensitized against at least 1 of the allergen components (P < .0001). Asthma was independently related to having IgE antibodies against pollen (odds ratio = 2.2) and perennial airway allergens (odds ratio = 5.6), increased Feno was independently related to having IgE antibodies against food allergens and perennial allergens, while bronchial responsiveness was independently associated with having IgE antibodies against only perennial allergens. Sensitization to food allergens was related to asthma and increased Feno if IgE antibody against pollen allergens was present. Simultaneous sensitization to perennial, pollen, and food allergens involves the highest risk of asthma (odds ratio = 18.3), bronchial inflammation, and responsiveness. CONCLUSIONS: Feno, bronchial responsiveness, and the risk of asthma increase with multiple sensitizations to different allergen groups. We show for the first time that the presence of IgE antibodies against food allergens is independently associated with increased Feno and increases the risk of asthma in subjects with simultaneous sensitization to pollen allergens.
Antonios Patelis; Maria Gunnbjörnsdottir; Andrei Malinovschi; Per Matsson; Annica Onell; Marieann Högman; Kjell Alving; Christer Janson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-25
Journal Detail:
Title:  The Journal of allergy and clinical immunology     Volume:  -     ISSN:  1097-6825     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1275002     Medline TA:  J Allergy Clin Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 American Academy of Allergy, Asthma & Immunology. Published by Mosby, Inc. All rights reserved.
Department of Medical Sciences, Respiratory Medicine and Allergology, Uppsala University, Uppsala, Sweden.
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