ArticlePediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology2025
The Janus face of Bifidobacterium in the development of atopic eczema: A role for compositional maturation.
Article in Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Protecting Newborns from Multidrug-Resistant Infections: The Emerging Role of Bacteriophages.Viruses · 2026Review
- From Dysbiosis to Inflammation: Gut Microbiota and Oxidative Stress in Atopic Dermatitis.Antioxidants (Basel, Switzerland) · 2026Review
- Non-invasive detection of pediatric atopic dermatitis based on fecal microbiota and metabolite profiles: a diagnostic approach.Frontiers in immunology · 2026Article
- The Janus face of Bifidobacterium in the development of atopic eczema: A role for compositional maturation.Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2025Article
- Analysis of intestinal microorganisms and metabolite in childhood allergic asthma: role in assessing the severity of condition in children.Frontiers in pediatrics · 2025Article
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20 authors.
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Abstract
backgroundAtopic eczema often develops in the first year of life, when the composition of the gut microbiota is most plastic as illustrated by the decrease in bifidobacteria after weaning. This may provide the opportunity for microbial stimuli and their environmental determinants to alter the disease course.
objectivesTo determine the role of the genus Bifidobacterium for atopic eczema in early childhood.
methodsWe analysed the bacterial composition in fecal samples of 618 children of the PASTURE ("Protection against Allergy-Study in Rural Environments") birth cohort using 16S rRNA amplicon sequencing of fecal samples collected at 2 and 12 months of age. Atopic eczema was defined as a parent-reported doctor's diagnosis until 2 years, and patterns of rash symptoms were classified by latent class analysis. We applied mediation models to assess direct and microbiota-mediated effects of environmental determinants on atopic eczema.
resultsThe Bifidobacterium composition observed at 2 months was inversely related to atopic eczema (OR = 0.68 [0.53-0.87], p = .002) and persistent rash. This association was not seen at 12 months, when the composition of Bifidobacterium amplicon sequence variants (ASVs) was altered. The effect of beneficial ASVs at 2 months (OR = 0.72 [0.57-0.91]) was lost at 12 months (OR = 0.97 [0.76-1.24]), when distinct bifidobacteria tended to be positively related to late-onset rash.
conclusionsThe subgenus composition of Bifidobacterium undergoes substantial changes in the first year of life. The protective effect of Bifidobacterium depends on the ASV composition at the respective age of the infant, highlighting the importance of timing in prevention strategies targeting infant-microbe interactions.
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