Authors
Giorgio S Raho
Published in
Current opinion in allergy and clinical immunology. Jun 11, 2026. Epub Jun 11, 2026.
Abstract
Allergic diseases continue to increase globally, and accumulating evidence implicates early-life microbial exposures as central determinants of immune tolerance. This review synthesizes advances from 2024 to 2026 regarding probiotic-mediated immune modulation and their translational implications in allergy prevention and therapy.
Recent studies confirm strain-specific expansion of Foxp3+ regulatory T cells, suppression of Th2 polarization, reinforcement of epithelial barrier integrity, and durable epigenetic stabilization mediated by short-chain fatty acids such as butyrate. Clinical trials demonstrate benefit in perinatal prevention of atopic dermatitis, modulation of allergic rhinitis symptoms, early-life asthma risk reduction, and probiotic-adjuvanted oral immunotherapy.
Probiotics are evolving from adjunctive supplements to biologically active immune modulators with disease-modifying potential. Integration with allergen immunotherapy and precision microbiome profiling may redefine preventive and therapeutic strategies in allergic disease.
PMID:
42286957
Bibliographic data and abstract were imported from PubMed on 13 Jun 2026.
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