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Cell ; 186(13): 2823-2838.e20, 2023 06 22.
Artículo en Inglés | MEDLINE | ID: mdl-37236193

RESUMEN

Mental health profoundly impacts inflammatory responses in the body. This is particularly apparent in inflammatory bowel disease (IBD), in which psychological stress is associated with exacerbated disease flares. Here, we discover a critical role for the enteric nervous system (ENS) in mediating the aggravating effect of chronic stress on intestinal inflammation. We find that chronically elevated levels of glucocorticoids drive the generation of an inflammatory subset of enteric glia that promotes monocyte- and TNF-mediated inflammation via CSF1. Additionally, glucocorticoids cause transcriptional immaturity in enteric neurons, acetylcholine deficiency, and dysmotility via TGF-ß2. We verify the connection between the psychological state, intestinal inflammation, and dysmotility in three cohorts of IBD patients. Together, these findings offer a mechanistic explanation for the impact of the brain on peripheral inflammation, define the ENS as a relay between psychological stress and gut inflammation, and suggest that stress management could serve as a valuable component of IBD care.


Asunto(s)
Sistema Nervioso Entérico , Enfermedades Inflamatorias del Intestino , Humanos , Glucocorticoides/farmacología , Inflamación , Sistema Nervioso Entérico/fisiología , Estrés Psicológico
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