Cited by 200Gut microbiota and healthSulfur Compounds in BiologyInflammatory Bowel Disease

Hydrogen sulfide protects from colitis and restores intestinal microbiota biofilm and mucus production

Motta, Jean-Paul, Flannigan, Kyle L., Agbor, Terence A., Beatty, Jennifer K., Blackler, Rory W., Workentine, Matthew L., Da Silva, Gabriela J., Wang, Rui +2 more·2015·Inflammatory Bowel Diseases

Abstract

BACKGROUND: Microbiota dysbiosis and impaired barrier function are among the most prominent features of inflammatory bowel disease. In the gastrointestinal tract, hydrogen sulfide (H(2)S) is an important regulator of mucosal homeostasis. We hypothesized that H(2)S promotes resolution of colonic inflammation through actions on microbiota biofilm and the mucus barrier. METHODS: We used mice genetically deficient for a key enzyme for H(2)S production (cystathionine γ-lyase) and pharmacologically inhibited that enzyme during colitis in wild-type mice. We tested the effects of administering an H(2)S donor (diallyl disulfide) to rodents during hapten-induced colitis. Colonic microbiota biofilm was visualized by fluorescent in situ hybridization, and mucus granules were quantified with periodic acid-alcian blue staining. We exposed human microbiota biofilms and planktonic bacteria to H(2)S donors ex vivo to determine changes in their growth, viability, and biomass. RESULTS: Intestinal microbiota formed linear biofilms in the colon of healthy rodents. During colitis, microbiota biofilms were fragmented and mucus granule production decreased. Endogenous production of H(2)S had beneficial effects on establishment of microbiota biofilms and colonic mucus production. Therapeutic delivery of H(2)S into the colon reduced inflammation, restored the microbiota biofilm, and increased the production of mucus granules. In ex vivo human microbiota, H(2)S not only promoted biofilm formation but also reduced growth of planktonic bacteria. CONCLUSIONS: Our results suggest that H(2)S donors could be used therapeutically during colitis, facilitating correction of microbiota biofilm dysbiosis and mucus layer reconstitution.

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Crossref · 10.1097/mib.0000000000000345

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Authors
Motta, J.-P., Flannigan, K. L., Agbor, T. A., Beatty, J. K., Blackler, R. W., Workentine, M. L., Da Silva, G. J., Wang, R., Buret, A. G., & Wallace, J. L.
Affiliations
  • University of Calgary (CA)
  • McMaster University (CA)
  • Department of Biological Sciences (RU)
  • Lakehead University (CA)
Venue
Inflammatory Bowel Diseases
Published
2015-05
Volume
21
Issue
5
Pages
1006-1017
ISSN
1078-0998 (ISSN-L)
OpenAlex
W2000311257
Cited by
200
References
52
Citations by year
2026: 9 · 2025: 19 · 2024: 24 · 2023: 24 · 2022: 18 · 2021: 18 · 2020: 15 · 2019: 15 · 2018: 11 · 2017: 16 · 2016: 16 · 2015: 12 · 2014: 3
FWCI
7.96
Type
journal article
Language
en
Open access
closed
Locations
  • Inflammatory Bowel Diseases (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Sulfur Compounds in Biology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
Keywords
hydrogen sulfide, colitis
MeSH terms
Gastrointestinal Microbiome, Animals, Colitis, Humans, Hydrogen Sulfide, Intestinal Mucosa, Male, Mice, Inbred C57BL, Mucus, Dextran Sulfate, Rats, Wistar, In Situ Hybridization, Fluorescence, Biofilms, Mice, Rats, Gasotransmitters

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