Transcriptomics

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IL-22 from enteroendocrine cells promotes early-life gut motility via microbiota in zebrafish


ABSTRACT: The gut microbiota, immune system, and enteric nervous system interact to regulate adult gut physiology. Yet the mechanisms establishing gut physiology during development remain unknown. We report that in developing zebrafish, enteroendocrine cells produced IL-22 in response to microbial signals before lymphocytes populate the gut. In larvae, IL-22 shaped the gut microbiota, increased Lactobacillaceae abundance and ghrelin expression to promote gut motility. Impaired motility and ghrelin expression were restored in il22-/- zebrafish by transfer of microbiota from wild-type zebrafish or by monoassociation with Lactobacillus plantarum. IL-22-deficient mice had impaired gut motility and reduced ghrelin expression in early life too, indicating a conserved function. Thus, before immune system maturation, enteroendocrine cells regulate early-life gut function by controlling the microbiota via IL-22.

ORGANISM(S): Danio rerio

PROVIDER: GSE310343 | GEO | 2025/11/19

REPOSITORIES: GEO

Dataset's files

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GSE310343_CoHousing_tablecounts_raw.csv.gz Csv
GSE310343_CoHousing_tablecounts_tpm.csv.gz Csv
GSE310343_WTvsKO_tablecounts_raw.csv.gz Csv
GSE310343_WTvsKO_tablecounts_tpm.csv.gz Csv
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