Cited by 128Gastrointestinal motility and disordersInflammatory Bowel DiseaseGut microbiota and health

Maladaptive Intestinal Epithelial Responses to Life Stress May Predispose Healthy Women to Gut Mucosal Inflammation

Alonso, Carmen, Guilarte, Mar, Vicario, Maria, Ramos, Laura, Ramadan, Ziad, Antolín, Maria, Martínez, Cristina, Rezzi, Serge +4 more·2008·Gastroenterology

Abstract

Background & aims Irritable bowel syndrome (IBS), a highly prevalent disorder among women, has been associated with life stress, but the peripheral mechanisms involved remain largely unexplored.Methods A 20-cm jejunal segment perfusion was performed in 2 groups of young healthy women, equilibrated by menstrual phase, experiencing either low (LS; n = 13) or moderate background stress (MS; n = 11). Intestinal effluents were collected every 15 minutes, for 30 minutes under basal conditions, and for 1 hour after cold pain stress. Cardiovascular and psychological response, changes in circulating stress and gonadal hormones, and epithelial function (net water flux, albumin output and luminal release of tryptase and alpha-defensins) to cold stress were determined.Results Cold pain induced a psychological response stronger in the MS than in the LS group, but similar increases in heart rate, blood pressure, adrenocorticotrophic hormone, and cortisol, whereas estradiol and progesterone remained unaltered. Notably, the jejunal epithelium of MS females showed a chloride-related decrease in peak secretory response (Delta[15-0 minutes]: LS, 97.5 [68.4-135.0]; MS, 48.8 [36.6-65.0] microL/min/cm; P < .001) combined with a marked enhancement of albumin permeability (LS(AUC), 6.35 [0.9-9.6]; MS(AUC), 13.97 [8.3-23.1] mg/60 min; P = .008) after cold stress. Epithelial response in both groups was associated with similar increases in luminal tryptase and alpha-defensins release.Conclusions Increased exposure to life events determines a defective jejunal epithelial response to incoming stimuli. This abnormal response may represent an initial step in the development of prolonged mucosal dysfunction, a finding that could be linked to enhanced susceptibility for IBS.

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Crossref · 10.1053/j.gastro.2008.03.036

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Authors
Alonso, C., Guilarte, M., Vicario, M., Ramos, L., Ramadan, Z., Antolín, M., Martínez, C., Rezzi, S., Saperas, E., Kochhar, S., Santos, J., & Malagelada, J. R.
Affiliations
  • Vall d'Hebron Institut de Recerca (ES)
  • Universitat Autònoma de Barcelona (ES)
  • Nestlé (Switzerland) (CH)
Corresponding author
Santos, Javier
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2008-07
Volume
135
Issue
1
Pages
163-172.e1
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2023675098
Cited by
128
References
64
Citations by year
2026: 4 · 2025: 8 · 2024: 2 · 2023: 10 · 2022: 9 · 2021: 7 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 1 · 2016: 5 · 2015: 5 · 2014: 9 · 2013: 10 · 2012: 14
FWCI
11.18
Type
journal article
Language
en
Open access
closed
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
irritable bowel syndrome, life events, jejunal epithelium, intestinal permeability, albumin permeability, secretory response, tryptase, alpha-defensins, cortisol, gonadal hormones, women
MeSH terms
Adult, Autonomic Nervous System, Cold Temperature, Depression, Enteritis, Female, Humans, Intestinal Mucosa, Jejunum, Mast Cells, Menstrual Cycle, Pain, Risk Factors, Stress, Psychological, Neuroimmunomodulation, Irritable Bowel Syndrome, Tryptases

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