Journal of Neurogastroenterology and Motility 2018; 24(3): 367-386  https://doi.org/10.5056/jnm18071
Role of Gut Microbiota-Gut Hormone Axis in the Pathophysiology of Functional Gastrointestinal Disorders
Hirokazu Fukui1,*, Xin Xu1,2, and Hiroto Miwa1
1Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Mukogawa, Nishinomiya, Japan, 2Department of Digestive Diseases, Tianjin Medical University General Hospital, Tianjin, China
Correspondence to: *Hirokazu Fukui, MD, PhD, Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, l-1, Mukogawa, Nishinomiya 663-8501, Japan, Tel: +81-798-45-6662, Fax: +81-798-45-6661, E-mail: hfukui@hyo-med.ac.jp
Received: April 10, 2018; Accepted: May 21, 2018; Published online: July 1, 2018.
© The Korean Society of Neurogastroenterology and Motility. All rights reserved.

cc This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract

Gut microbiota exert a pivotal influence on various functions including gastrointestinal (GI) motility, metabolism, nutrition, immunity, and the neuroendocrine system in the host. These effects are mediated by not only short-chain fatty acids produced by microbiota but also gut hormones and inflammatory signaling by enteroendocrine and immune cells under the influence of the microbiota. GI motility is orchestrated by the enteric nervous system and hormonal networks, and disturbance of GI motility plays an important role in the pathophysiology of functional gastrointestinal disorders (FGIDs). In this context, microbiota-associated mediators are considered to act on specific receptors, thus affecting the enteric nervous system and, subsequently, GI motility. Thus, the pathophysiology of FGIDs is based on alterations of the gut microbiota/gut hormone axis, which have crucial effects on GI motility.

Keywords: Enteric nervous system, Functional gastrointestinal disorders, Gastrointestinal hormones, Irritable bowel syndrome, Microbiome


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