Molecular mechanisms of microbiota-mediated pathology in irritable bowel syndrome

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Abstract

Irritable bowel syndrome (IBS) is one of the most prevalent functional gastrointestinal disorders, and accumulating evidence gained in both preclinical and clinical studies indicate the involvement of enteric microbiota in its pathogenesis. Gut resident microbiota appear to influence brain activity through the enteric nervous system, while their composition and function are affected by the central nervous system. Based on these results, the term “brain–gut–microbiome axis” has been proposed and enteric microbiota have become a potential therapeutic target in IBS cases. However, details regarding the microbe-related pathophysiology of IBS remain elusive. This review summarizes the existing knowledge of molecular mechanisms in the pathogenesis of IBS as well as recent progress related to microbiome-derived neurotransmitters, compounds, metabolites, neuroendocrine factors, and enzymes.

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Mishima, Y., & Ishihara, S. (2020, November 2). Molecular mechanisms of microbiota-mediated pathology in irritable bowel syndrome. International Journal of Molecular Sciences. MDPI AG. https://doi.org/10.3390/ijms21228664

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