Probiotic mixture reduces gut inflammation and microbial dysbiosis in children with atopic dermatitis.

The Australasian Journal of Dermatology
Wonsuck YoonYoung Yoo

Abstract

Recent data suggested that dysbiosis of the gut microbiome is associated with childhood allergic diseases. Oral administration of probiotic formulations may improve the severity of atopic dermatitis (AD) by restoring imbalanced gut microbiota and reducing intestinal inflammation in children. The aim of this study was to investigate the effects of a probiotic mixture on the clinical severity of AD, gut inflammatory markers and alterations in microbiome dysbiosis in children with AD. A total of 25 subjects were enrolled in this study and administered with a mixture of probiotic strains consisting of Lactobacilli and Bifidobacteria for 4 weeks. The clinical efficacy of the probiotic mixture was assessed using SCORAD index and TEWL. Faecal calprotectin levels were measured as a marker for intestinal inflammation. The composition and diversity of the gut microbiome were analysed using 16S rRNA pyrosequencing. The SCORAD (38.9 ± 17.2 vs 29.0 ± 15.4, P < 0.001) and TEWL (58.3 ± 12.5 vs 27.3 ± 8.7 g/m2 /h, P = 0.028) were significantly decreased after 4 weeks administration of the probiotic mixture. The faecal calprotectin level (121.5 [27.7-292.9] vs 37.0 μg/g [12.6-108.9 μg/g], P = 0.038) was significantly decreased. The α-diversity ...Continue Reading

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Atopic dermatitis is a chronic inflammatory genetically determined disease of the skin marked by increased ability to form reagin (IgE), with increased susceptibility to allergic rhinitis and asthma, and hereditary disposition to a lowered threshold for pruritus. Discover the latest research on atopic dermatitis here.