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[How psychological stress aggravates intestinal inflammation]
1Maastricht UMC+, afd. Maag-Darm-Leverziekten, Maastricht.
Nederlands Tijdschrift Voor Geneeskunde
|April 11, 2024
Summary
Psychological stress exacerbates inflammatory bowel disease (IBD) by activating enteric glia cells. These cells produce factors that promote gut inflammation via the enteric nervous system (ENS).
Area of Science:
- Neurogastroenterology
- Immunology
- Gastroenterology
Context:
- Inflammatory bowel disease (IBD) encompasses chronic gut inflammation.
- Psychological stress is a known factor influencing IBD severity.
- The precise biological link between stress and gut inflammation in IBD remains incompletely understood.
Purpose:
- To elucidate the biological mechanisms connecting psychological stress and intestinal inflammation in IBD.
- To identify key cellular and molecular players involved in stress-induced gut inflammation.
Summary:
- Stress elevates glucocorticoids, promoting an inflammatory subset of enteric glia cells.
- These glia produce CSF1, driving monocyte accumulation and TNF-mediated inflammation in the gut.
- The enteric nervous system (ENS) plays a crucial role in mediating stress's impact on IBD.
Impact:
- Reveals a novel pathway where stress directly drives IBD inflammation through enteric glia.
- Highlights the ENS as a critical mediator in the stress-IBD axis.
- Offers potential therapeutic targets for managing stress-related exacerbations in IBD.
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