Cited by 93Gastrointestinal motility and disordersGut microbiota and healthInfant Health and Development

Changes in intestinal motility and gut microbiota composition in a rat stress model

Murakami, Takaaki, Kamada, Kazuhiro, Mizushima, Katsura, Higashimura, Yasuki, Katada, Kazuhiro, Uchiyama, Kazuhiko, Handa, Osamu, Takagi, Tomohisa +2 more·2017·Digestion

Abstract

BACKGROUND: Irritable bowel syndrome (IBS) causes chronic abdominal pain and abnormal bowel movements. The etiology involves complicated interactions among visceral hypersensitivity, disorders related to bowel movements, and stress. Changes in the microbiota affect the IBS pathophysiology. We investigated changes in colorectal motility, structure, and microbiota in response to stress due to maternal separation (MS) and corticotropin-releasing hormone (CRH) administration in rats. SUMMARY: Neonatal rats were separated from their mothers for 3 h daily from postnatal day (PND) 2 to PND14. The control group included rats of the same age that were not separated. After MS, the rats were undisturbed for 5 weeks. At 8 weeks of age, 10 µg of CRH or saline was intravenously administered to MS and control groups. Two hours later, the number of fecal pellets was counted. Three hours after CRH or saline administration, the rats were sacrificed and colorectal tissue samples and cecal contents were collected to analyze the fecal microbiota. The number of fecal pellets was significantly greater in MS with the CRH group. Both stressors altered the microbiota composition. Key Messages: Among rats that received CRH, MS increased the colorectal motility. Stress due to MS altered the gut microbiota composition.

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Crossref · 10.1159/000452364

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19 of 19 references verified0 citation errors · 0 not checkable

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  • A single administration of CRF modified gut microbiota in rats, with specific reductions in Lactobacillus.

    “Recently, a study has found that a single administration of CRF modified the gut microbiota in rats, with specific reductions in Lactobacillus [349].”

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Authors
Murakami, T., Kamada, K., Mizushima, K., Higashimura, Y., Katada, K., Uchiyama, K., Handa, O., Takagi, T., Naito, Y., & Itoh, Y.
Affiliations
Kyoto Prefectural University of Medicine (JP)
Venue
Digestion
Publisher
S. Karger AG
Published
2017
Volume
95
Issue
1
Pages
55-60
ISSN
  • 0012-2823 (ISSN-L)
  • 1421-9867
OpenAlex
W2570556117
Cited by
93
References
19
Citations by year
2026: 6 · 2025: 6 · 2024: 13 · 2023: 6 · 2022: 9 · 2021: 12 · 2020: 11 · 2019: 13 · 2018: 15 · 2017: 2
FWCI
11.82
Type
journal article
Language
en
Open access
closed
Locations
  • Digestion (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Astellas Pharma
  • Otsuka Pharmaceutical
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Health Professions › Pharmacy › Infant Health and Development
Keywords
irritable bowel syndrome, intestinal motility, gut microbiota, maternal separation, corticotropin-releasing factor, stress, fecal pellets, cecal microbiota, neonatal rats
MeSH terms
Gastrointestinal Microbiome, Animals, Colon, Corticotropin-Releasing Hormone, Disease Models, Animal, Feces, Gastrointestinal Motility, Hormones, Maternal Deprivation, Rats, Inbred WF, Stress, Psychological, Irritable Bowel Syndrome, Rats

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