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Cord blood allergen-specific IgE is associated with reduced IFN-gamma production by cord blood cells: The Protection against Allergy-Study in Rural Environments (PASTURE) study.
J. Allergy Clin. Immunol. 122, 711-716 (2008)
Background: It is currently discussed whether allergic sensitization may start in utero under the influence of the maternal immune system and environmental determinants. Objective: To investigate the relationship between allergen-specific cord blood (CB) IgE levels, parental sensitization, CB cytokine production, and environmental influences. Methods: As part of an ongoing multicenter birth cohort study, allergen-specific IgE antibodies against 20 common seasonal, perennial, and food allergens were measured in blood samples from 922 neonates, 922 mothers, and 835 fathers. Supernatants from stimulated CB cells were assessed for the production of IL-5, IFN-gamma, IL-10, and TNF-alpha. Results: Allergen-specific IgE antibodies were detectable in 23.9% of newborns. Contamination with maternal serum was excluded by several means of analyses, including the absence of IgA antibodies. Clear correlation between maternal and fetal IgE was found only for hen's egg, cow's milk, and soybean allergen. Fetal IgE correlated negatively with the level of IFN-gamma production, but not with IL-5 and IL-10. Conclusion: Allergen-specific IgE antibodies most probably of fetal origin are detectable in CB and correlate with a lowered CB IFN-gamma production.
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Anmerkungen
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
prenatal; allergen specific IgE; cord blood; prospective birth cohort study; farming environment
Sprache
englisch
Veröffentlichungsjahr
2008
HGF-Berichtsjahr
2008
ISSN (print) / ISBN
0091-6749
e-ISSN
1097-6825
Zeitschrift
The journal of allergy and clinical immunology
Quellenangaben
Band: 122,
Heft: 4,
Seiten: 711-716
Verlag
Elsevier
Verlagsort
Amsterdam [u.a.]
Begutachtungsstatus
Peer reviewed
Institut(e)
CCG Immune Regulation in Childhood (IMI-KIK)
PSP-Element(e)
G-520500-001
Scopus ID
53049102495
Erfassungsdatum
2008-12-31