Cited by 2,368Gut microbiota and healthGastrointestinal motility and disordersImmune cells in cancer

Activation of Gpr109a, receptor for niacin and the commensal metabolite butyrate, suppresses colonic inflammation and carcinogenesis

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Singh, Nagendra, Gurav, Ashish, Sivaprakasam, Sathish, Brady, Evan, Padia, Ravi, Shi, Huidong, Thangaraju, Muthusamy, Prasad, Puttur D. +5 more·2014·Immunity

Abstract

Commensal gut microflora and dietary fiber protect against colonic inflammation and colon cancer through unknown targets. Butyrate, a bacterial product from fermentation of dietary fiber in the colon, has been implicated in this process. GPR109A (encoded by Niacr1) is a receptor for butyrate in the colon. GPR109A is also a receptor for niacin, which is also produced by gut microbiota and suppresses intestinal inflammation. Here we showed that Gpr109a signaling promoted anti-inflammatory properties in colonic macrophages and dendritic cells and enabled them to induce differentiation of Treg cells and IL-10-producing T cells. Moreover, Gpr109a was essential for butyrate-mediated induction of IL-18 in colonic epithelium. Consequently, Niacr1(-/-) mice were susceptible to development of colonic inflammation and colon cancer. Niacin, a pharmacological Gpr109a agonist, suppressed colitis and colon cancer in a Gpr109a-dependent manner. Thus, Gpr10a has an essential role in mediating the beneficial effects of gut microbiota and dietary fiber in colon.

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Authors
Singh, N., Gurav, A., Sivaprakasam, S., Brady, E., Padia, R., Shi, H., Thangaraju, M., Prasad, P. D., Manicassamy, S., Munn, D. H., Lee, J. R., Offermanns, S., & Ganapathy, V.
Affiliations
  • Augusta University (US)
  • Charlie Norwood VA Medical Center (US)
  • Max Planck Institute for Heart and Lung Research (DE)
Corresponding author
  • Singh, Nagendra
  • Ganapathy, Vadivel
Venue
Immunity
Publisher
Elsevier BV
Published
2014-01
Volume
40
Issue
1
Pages
128-139
ISSN
1074-7613 (ISSN-L)
OpenAlex
W1981266729
Cited by
2,368
References
48
Citations by year
2026: 230 · 2025: 242 · 2024: 252 · 2023: 266 · 2022: 237 · 2021: 268 · 2020: 193 · 2019: 172 · 2018: 136 · 2017: 122 · 2016: 97 · 2015: 97 · 2014: 54
FWCI
50.60
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
Funders
  • National Cancer Institute (R21CA152396, R01CA096651, CA152396, R01CA103320)
  • National Institute of Allergy and Infectious Diseases (AI085440, R21AI085440)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK103576, R01DK097271)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
GPR109A, butyrate, nicotinic acid, colonic inflammation, colon cancer, gut microbiota, dietary fiber, regulatory T cells, IL-10, IL-18, colonic epithelium, colitis, dendritic cells, macrophages
MeSH terms
Animals, Butyrates, Cell Differentiation, Cells, Cultured, Colitis, Colon, Colonic Neoplasms, Dendritic Cells, Disease Susceptibility, Epithelial Cells, Lymphocyte Activation, Macrophages, Mice, Inbred C57BL, Niacin, Receptors, Nicotinic, Signal Transduction, T-Lymphocyte Subsets, Interleukin-10, Mice, Knockout, Interleukin-18, Receptors, G-Protein-Coupled, T-Lymphocytes, Regulatory, Mice, Carcinogenesis, Microbiota

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