Lactobacillus reuteri Modulates Cytokines Production in Exhaled Breath Condensate of Children With Atopic Dermatitis

We measured the concentration of interferon-γ and interleukin-4 in the exhaled breath condensate of children with atopic and nonallergic dermatitis receiving a probiotic supplementation (Lactobacillus reuteri ATCC 55730) or placebo for 8 weeks. We demonstrated that the levels of these cytokines increased and decreased respectively only in atopic subjects receiving active treatment. Our data suggest that the oral administration of a specific probiotic strain in patients with atopic dermatitis can modulate in vivo the cytokine pattern at a different site from intestine.

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