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Therapeutic Microbiology: the Role of Bifidobacterium Breve as Food Supplement for the Prevention/Treatment of Pediatric Diseases

The human intestinal microbiota, establishing a symbiotic relationship with the host, plays a significant role for the human health. It is also well known that a disease status is frequently characterized by a dysbiotic condition of the gut. A probiotic treatment can represent an alternative therapy for enteric disorders and human pathologies not apparently linked to the gut environment. Among bifidobacteria, strains of the species Bifidobacterium breve are widely used in pediatrics. B. breve is the dominant species in the gut of breast-fed infants and it has also been isolated from human milk. It has antimicrobial activity against human pathogens, it does not possess transmissible antibiotic resistance traits, it is not cytotoxic and it has immuno-stimulating abilities. This review describes the applications of B. breve strains mainly for the prevention/treatment of pediatric pathologies. The target pathologies range from widespread gut diseases, including diarrhea and infant colics, to celiac disease, obesity, allergic and neurological disorders. Moreover, B. breve strains are used for the prevention of side infections in pre-term newborns and during antibiotic treatments or chemotherapy. With this documentation, we hope to increase knowledge on this species to boost the interest in the emerging discipline known as “therapeutic microbiology”.