Cited by 35Gastrointestinal motility and disordersInflammatory Bowel DiseaseNeuropeptides and Animal Physiology

A protease inhibitor against acute stress-induced visceral hypersensitivity and paracellular permeability in rats.

Zhao, Juhui, Wang, Jinhai, Dong, Lei, Shi, Hongyang, Wang, Zongyan, Ding, Hui, Shi, Haitao, Lu, Xiaolan·2011·European Journal of Pharmacology

Abstract

In the present study, we investigated the effects of camostat mesilate (CM), a synthetic protease inhibitor, on visceral sensitivity and paracellular permeability induced by the acute restraint stress. We also explored the possible mechanisms underlying these effects. The acute restraint stress was induced by wrapping the fore shoulders, upper forelimbs and thoracic trunk of Sprague-Dawley rats for 2h. Either CM (30, 100 and 300mg/kg) or saline was intragastrically administrated to the rats 30min before the acute restraint stress. Visceral perception was quantified as visceral motor response with an electromyography in a subset of rats. Paracellular permeability was determined in another subset of rats. We found that the visceral sensitivity and paracellular permeability were significantly reduced in the CM-treated rats. Moreover, the fecal protease activity was decreased in the CM-treated rats. The ZO-1 protein expression was markedly reduced by the stress treatment, but this decrease was suppressed by CM administration. Our data indicated that CM could efficiently inhibit visceral sensitivity and paracellular permeability induced by the acute restraint stress in rats. Therefore, CM might be an effective drug for the treatment of irritable bowel syndrome.

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Crossref · 10.1016/j.ejphar.2010.12.032

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Authors
Zhao, J., Wang, J., Dong, L., Shi, H., Wang, Z., Ding, H., Shi, H., & Lu, X.
Affiliations
Second Affiliated Hospital of Xi'an Jiaotong University (CN)
Corresponding author
Wang, Jinhai
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
2011-03
Volume
654
Issue
3
Pages
289-294
ISSN
0014-2999 (ISSN-L)
OpenAlex
W2135833528
Cited by
35
References
34
Citations by year
2025: 1 · 2024: 6 · 2023: 3 · 2022: 5 · 2021: 2 · 2020: 1 · 2019: 2 · 2018: 2 · 2017: 3 · 2016: 2 · 2015: 2 · 2014: 3 · 2012: 2
FWCI
1.96
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmacology (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 › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
camostat mesilate, protease inhibitors, visceral hypersensitivity, acute restraint stress, visceral pain, paracellular permeability, ZO-1, tight junctions, irritable bowel syndrome
MeSH terms
Animals, Colon, Female, Gene Expression Regulation, Membrane Proteins, Permeability, Phosphoproteins, Protease Inhibitors, Rectum, Restraint, Physical, Stress, Psychological, Rats, Sprague-Dawley, Rats, Zonula Occludens-1 Protein

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