Nature Communications (Nov 2021)

Psychological stress impairs IL22-driven protective gut mucosal immunity against colonising pathobionts

  • Christopher R. Shaler,
  • Alexandra A. Parco,
  • Wael Elhenawy,
  • Jasmeen Dourka,
  • Jennifer Jury,
  • Elena F. Verdu,
  • Brian K. Coombes

DOI
https://doi.org/10.1038/s41467-021-26992-4
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 17

Abstract

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Altered gut microbiome and exacerbation of symptoms at times of psychological stress are feature characteristics of Crohn’s disease. Here authors show in a mouse model that psychological stress impairs IL-22-dependent protective immunity of the ileal mucosa, which allows invasive bacteria to colonise the gut.