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Neonatal exposure to Candida albicans is associated with intestinal dysbiosis of the microbiota 3206

Year: 2025
Type: article
Abstract: Description Fungal species, such as Candida albicans, are commonly found as part of the normal microbiota in both the skin and intestine. However, these fungal species, including C. albicans, can also become opportunistic pathogens and have been associated with intestinal and allergic disorders. We hypothesized C. albicans colonization could occur in early life when the neonatal microbiota is permissive to pathogens and lacks colonization resistance compared to later times in life. To investigate this question, we sequenced stool of premature and term infants and frequently found C. albicans colonization, suggesting fungal colonization within the human GI tract. To investigate the impact of long-term C. albicans colonization to the immune system, we established colonization by oral administration of C. albicans to neonatal mice. Colonization of C. albicans was associated with increased diversity of bacterial species in the intestinal microbiota at weaning. Additionally, we observed significant increases of inflammatory cytokines IL-17 and G-CSF in the serum. Future research will expand on the impact of C. albicans colonization on the intestinal microbiota and immune systems. Funding Sources Center for Individualized Medicine Microbiome Program Research Team Science Award, Mayo Clinic NIH, NIDDK R01 DK134366 Topic Categories Mucosal and Regional Immunology (MUC)
DOI: 10.1093/jimmun/vkaf283.1031
Institution: Mayo Clinic
Language: English
Open Access status: bronze
OpenAlex ID: W4416448596
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