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Digestive Diseases and Sciences

, Volume 49, Issue 3, pp 485–491 | Cite as

The Metabolic Activity of Fecal Microbiota from Healthy Individuals and Patients with Inflammatory Bowel Disease

  • Marleen H. M. C. Van Nuenen
  • Koen Venema
  • Janneke C. J. Van Der Woude
  • Ernst J. Kuipers
Article

Abstract

The hypothesis was studied that intestinal microbial metabolites play a role in the pathogenesis of inflammatory bowel disease. For that purpose, an in vitro model of the colon was inoculated with fresh feces of six healthy individuals and eight inflammatory bowel disease patients. Samples were taken from the model over time to analyze metabolites from both saccharolytic and proteolytic fermentation. Microbiotas from inflammatory bowel disease patients produced significantly more short-chain fatty acids and ammonia than microbiotas from healthy individuals. Furthermore, the branched-chain fatty acid production was 25% higher after inoculation with microbiotas from patients than after inoculation with microbiotas from healthy individuals. Phenolic compounds were produced by all microbiotas, with large interindividual variation. The production of (potentially toxic) metabolites may play a role in the onset or chronicity of inflammatory bowel disease, because they were produced in higher amounts by microbiotas from these patients than by microbiotas from healthy individuals.

inflammatory bowel disease microbial activity fermentation metabolites in vitro model 

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Copyright information

© Plenum Publishing Corporation 2004

Authors and Affiliations

  • Marleen H. M. C. Van Nuenen
    • 1
  • Koen Venema
    • 1
  • Janneke C. J. Van Der Woude
    • 2
  • Ernst J. Kuipers
    • 2
  1. 1.TNO Nutrition and Food ResearchZeistThe Netherlands
  2. 2.Erasmus MC University Medical CenterRotterdamThe Netherlands

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