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Role of the Vagus Nerve in the Gut-Brain Axis: Development and Maintenance of Gut Regulatory T Cells via the Liver-Brain-Gut Vago-Vagal Reflex Takanori Kanai 1 , Toshiaki Teratani 1 1Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, Keio University Keyword: 腸脳相関 , 迷走神経 , 自律神経系 , gut-brain axis , vagus nerve , autonomic nervous system pp.971-977
Published Date 2022/8/1
DOI https://doi.org/10.11477/mf.1416202163
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Abstract

The vagus nerve is considered a key component of the gut-brain axis, a complex network which connects the gut and the brain bidirectionally. The vagus receives a variety of information from the gut and transmits it to the brain. We recently discovered that peripheral regulatory T cells (pTregs) in the gut, which are essential for intestinal immune tolerance, are not only controlled by the gut microbiota but are also regulated by the vago-vagal reflex via the gut microbiota information→gut→liver→brain→gut pathway. The discovery of the role of the gut-brain axis in the intestinal pTreg cell induction mechanism may be useful for the development of a neurostimulatory therapeutic tool to coordinate the complex intestinal-brain association via the brain. Additionally, in this review, we have summarized reports that describe the correlations between the vagus and the gut-brain axis, which have been discovered successively.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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