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Microbial metabolite p-cresol inhibits gut hormone expression and regulates small intestinal transit in mice. | LitMetric

Microbial metabolite p-cresol inhibits gut hormone expression and regulates small intestinal transit in mice.

Front Endocrinol (Lausanne)

Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.

Published: August 2023

AI Article Synopsis

Article Abstract

p-cresol is a metabolite produced by microbial metabolism of aromatic amino acid tyrosine. p-cresol and its conjugated forms, p-cresyl sulfate and p-cresyl glucuronide, are uremic toxins that correlate positively with chronic kidney disease and diabetes pathogenesis. However, how p-cresol affects gut hormones is unclear. Here, we expose immortalized GLUTag cells to increasing concentrations of p-cresol and found that p-cresol inhibited expression and reduced glucagon-like peptide-1 (GLP-1) secretion . In mice, administration of p-cresol in the drinking water for 2 weeks reduced the transcript levels of and other gut hormones in the colon; however, it did not affect either fasting or glucose-induced plasma GLP-1 levels. Furthermore, it did not affect glucose tolerance but promoted faster small intestinal transit in mice. Overall, our data suggest that microbial metabolite p-cresol suppresses transcript levels of gut hormones and regulates small intestinal transit in mice.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10391832PMC
http://dx.doi.org/10.3389/fendo.2023.1200391DOI Listing

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