At 3 months of age, children were vaccinated with Hexavac against

At 3 months of age, children were vaccinated with Hexavac against a.o. diphtheria, tetanus, polio (DTP). At 6 months of age, plasma samples were collected from 84 infants (verum group n = 41, placebo group n = 43). Levels of total immunoglobulins (Ig) and of cow’s milk protein selleckchem (CMP-) and DTP-specific Ig were measured. GOS/FOS supplementation led to a significant reduction in the plasma level of

total IgE, IgG1, IgG2 and IgG3, whereas no effect on IgG4 was observed. Concentration of CMP-specific IgG1 was significantly decreased. DTP-specific immunoglobulin levels were not affected. This study showed that GOS/FOS supplementation induced a beneficial antibody profile. GOS/FOS reduced the total immunoglobulin response and modulated the immune response toward CMP, while leaving the response to vaccination intact. This suggests that oral GOS/FOS supplementation is a safe method to restrain the atopic march [12]. The reduced total immunoglobulin levels of the various isotypes, especially IgE, may be associated with the reduced incidence of AD in the GOS/FOS supplemented group [10]. This contrasts the study of Kalliomäki et al. [13] who showed that reduction of the frequency of AD by Lactobacillus rhamnosus GG supplementation was not accompanied by changes in total or specific IgE levels. This may suggest that the prebiotic mixture of GOS/FOS has a stronger immunomodulatory potential than

this specific probiotic strain. Moro reported selleck chemical a significant reduction in infant eczema (RR 0.42, 95% CI 0.21, 0.84) up to six months age in infants receiving a mixture of NADPH-cytochrome-c2 reductase fructo- and galacto-oligosaccharides [10]. In a prospective, randomized, double-blind, placebo-controlled design, healthy term infants with a parental history of atopy were fed either a prebiotic-supplemented (8 g/L scGOS/lcFOS) or placebo-supplemented (8 g/L maltodextrin) hypoallergenic formula with extensively hydrolyzed cow milk whey protein during the first 6 months of life. Following this intervention period, blind follow-up continued until two years of life. During this period, infants in the scGOS/lcFOS group had significantly lower incidence

of allergic manifestations. Cumulative incidences for AD, recurrent wheezing, and allergic urticaria were higher in the placebo group, (27.9, 20.6, and 10.3%, respectively) than in the intervention group (13.6, 7.6, and 1.5%) (p < 0.05). Infants in the scGOS/lcFOS group had fewer episodes of physician-diagnosed overall and upper respiratory tract infections (p < 0.01), fever episodes (p < 0.00001), and fewer antibiotic prescriptions (p < 0.05). Early dietary intervention with oligosaccharide prebiotics had a protective effect against both allergic manifestations and infections. The observed dual protection lasting beyond the intervention period suggests that an immune modulating effect through the intestinal flora modification may be the principal mechanism of action [11].

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