Breast milk immune complexes are potent inducers of oral tolerance in neonates and prevent asthma development

E. Mosconi, A. Rekima, B. Seitz-Polski, A. Kanda, S. Fleury, E. Tissandie, R. Monteiro, D. D. Dombrowicz, V. Julia, N. Glaichenhaus, V. Verhasselt

Research output: Contribution to journalArticle

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Abstract

Allergic asthma is a chronic lung disease resulting from an inappropriate T helper (Th)-2 response to environmental antigens. Early tolerance induction is an attractive approach for primary prevention of asthma. Here, we found that breastfeeding by antigen-sensitized mothers exposed to antigen aerosols during lactation induced a robust and long-lasting antigen-specific protection from asthma. Protection was more profound and persistent than the one induced by antigen-exposed non-sensitized mothers. Milk from antigen-exposed sensitized mothers contained antigen-immunoglobulin (Ig) G immune complexes that were transferred to the newborn through the neonatal Fc receptor resulting in the induction of antigen-specific FoxP3 CD25 regulatory T cells. The induction of oral tolerance by milk immune complexes did not require the presence of transforming growth factor-Β in milk in contrast to tolerance induced by milk-borne free antigen. Furthermore, neither the presence of IgA in milk nor the expression of the inhibitory FcγRIIb in the newborn was required for tolerance induction. This study provides new insights on the mechanisms of tolerance induction in neonates and highlights that IgG immune complexes found in breast milk are potent inducers of oral tolerance. These observations may pave the way for the identification of key factors for primary prevention of immune-mediated diseases such as asthma.

Original languageEnglish
Pages (from-to)461-474
Number of pages14
JournalMucosal Immunology
Volume3
Issue number5
DOIs
Publication statusPublished - Sep 2010
Externally publishedYes

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Human Milk
Antigen-Antibody Complex
Asthma
Antigens
Milk
Primary Prevention
Immunoglobulin G
Immune System Diseases
Transforming Growth Factors
Regulatory T-Lymphocytes
Breast Feeding
Aerosols
Lactation
Immunoglobulin A
Lung Diseases
Chronic Disease

Cite this

Mosconi, E. ; Rekima, A. ; Seitz-Polski, B. ; Kanda, A. ; Fleury, S. ; Tissandie, E. ; Monteiro, R. ; Dombrowicz, D. D. ; Julia, V. ; Glaichenhaus, N. ; Verhasselt, V. / Breast milk immune complexes are potent inducers of oral tolerance in neonates and prevent asthma development. In: Mucosal Immunology. 2010 ; Vol. 3, No. 5. pp. 461-474.
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Mosconi, E, Rekima, A, Seitz-Polski, B, Kanda, A, Fleury, S, Tissandie, E, Monteiro, R, Dombrowicz, DD, Julia, V, Glaichenhaus, N & Verhasselt, V 2010, 'Breast milk immune complexes are potent inducers of oral tolerance in neonates and prevent asthma development' Mucosal Immunology, vol. 3, no. 5, pp. 461-474. https://doi.org/10.1038/mi.2010.23

Breast milk immune complexes are potent inducers of oral tolerance in neonates and prevent asthma development. / Mosconi, E.; Rekima, A.; Seitz-Polski, B.; Kanda, A.; Fleury, S.; Tissandie, E.; Monteiro, R.; Dombrowicz, D. D.; Julia, V.; Glaichenhaus, N.; Verhasselt, V.

In: Mucosal Immunology, Vol. 3, No. 5, 09.2010, p. 461-474.

Research output: Contribution to journalArticle

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