Butyrate-induced transcriptional changes in human colonic mucosa

S.A. Vanhoutvin*, F.J. Troost, H.M.H. Hamer, P.J. Lindsey, G.H. Koek, D.M. Jonkers, A. Kodde, K. Venema, R.J. Brummer

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review


    BACKGROUND: Fermentation of dietary fiber in the colon results in the production of short chain fatty acids (mainly propionate, butyrate and acetate). Butyrate modulates a wide range of processes, but its mechanism of action is mostly unknown. This study aimed to determine the effects of butyrate on the transcriptional regulation of human colonic mucosa in vivo. METHODOLOGY/PRINCIPAL FINDINGS: Five hundred genes were found to be differentially expressed after a two week daily butyrate administration with enemas. Pathway analysis showed that the butyrate intervention mainly resulted in an increased transcriptional regulation of the pathways representing fatty acid oxidation, electron transport chain and oxidative stress. In addition, several genes associated with epithelial integrity and apoptosis, were found to be differentially expressed after the butyrate intervention. CONCLUSIONS/SIGNIFICANCE: Colonic administration of butyrate in concentrations that can be achieved by consumption of a high-fiber diet enhances the maintenance of colonic homeostasis in healthy subjects, by regulating fatty acid metabolism, electron transport and oxidative stress pathways on the transcriptional level and provide for the first time, detailed molecular insight in the transcriptional response of gut mucosa to butyrate.
    Original languageEnglish
    Article numbere6759
    JournalPLOS ONE
    Issue number8
    Publication statusPublished - 1 Jan 2009


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