Document Detail

Impact of Maternal Allergy and Use of Probiotics during Pregnancy on Breast Milk Cytokines and Food Antibodies and Development of Allergy in Children until 5 Years.
MedLine Citation:
PMID:  22652586     Owner:  NLM     Status:  Publisher    
Background: Whether breast milk (BM) can protect against allergy has been studied extensively, with conflicting results. Variations in mothers' BM composition may explain some of the conflicting results. Our aim was to assess the impact of maternal allergy and probiotic intervention on BM food antibodies, transforming growth factor (TGF)-β(2) and interleukin (IL)-10 and their impact on allergy development in children until the ages of 2 and 5. Methods: We measured total IgA, IgA antibodies to cow's milk (CM), casein, β-lactoglobulin and ovalbumin (OVA), TGF-β(2) and IL-10 in 364 colostrum samples and 321 BM samples taken at 3 months from mothers participating in a prospective study evaluating the allergy-preventive effect of probiotics in a cohort with an increased risk for allergy. Results: CM, casein and OVA antibodies, TGF-β(2) and IL-10 were detectable in most samples. Maternal allergy was associated with raised levels of IgA to casein (p = 0.04) and lower levels of TGF-β(2) (p = 0.006) in mature BM. Probiotic supplementation was associated with increased IL-10 (p = 0.046) and decreased casein IgA antibodies (p = 0.027) in mature BM. High OVA IgA antibodies in colostrum were associated with the development of atopy by the age of 2, while low levels in mature BM were a significant risk factor for the development of eczema by the age of 2. TGF-β(2) levels in BM constituted a risk for development of allergy by the age of 2. Conclusions: The immunologic composition of BM was only slightly affected by maternal atopy and could be altered by probiotic supplementation. Small effects of BM components on allergy development in children were evident.
Mikael Kuitunen; Anna Kaarina Kukkonen; Erkki Savilahti
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-31
Journal Detail:
Title:  International archives of allergy and immunology     Volume:  159     ISSN:  1423-0097     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-6-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9211652     Medline TA:  Int Arch Allergy Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  162-170     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Department of Allergy, Skin and Allergy Hospital, Helsinki University Central Hospital, Helsinki, Finland.
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