Bile acid receptors and signaling crosstalk in the liver, gut and brain

Bile acids are physiological detergents derived from cholesterol that aid in digestion and nutrient absorption, and they play roles in glucose, lipid, and energy metabolism and in gut microbiome and metabolic homeostasis. Bile acids mediate crosstalk between the liver and gut through bactericidal mo...

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Main Authors: Jessica M. Ferrell, John Y.L. Chiang
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2021-09-01
Series:Liver Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2542568421000453
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author Jessica M. Ferrell
John Y.L. Chiang
author_facet Jessica M. Ferrell
John Y.L. Chiang
author_sort Jessica M. Ferrell
collection DOAJ
description Bile acids are physiological detergents derived from cholesterol that aid in digestion and nutrient absorption, and they play roles in glucose, lipid, and energy metabolism and in gut microbiome and metabolic homeostasis. Bile acids mediate crosstalk between the liver and gut through bactericidal modulation of the gut microbiome, while gut microbes influence the composition of the circulating bile acid pool. Recent research indicates bile acids may also be important mediators of neurological disease by acting as peripheral signaling molecules that activate bile acid receptors in the blood-brain barrier and in the brain itself. This review highlights the role of bile acids in maintaining liver and gut microbe homeostasis, as well as their function as mediators of cellular signaling in the liver-gut-brain axis.
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spelling doaj.art-c1a4bf34f6254b05b6bc3c1c2266e1962022-12-21T22:08:41ZengKeAi Communications Co., Ltd.Liver Research2542-56842021-09-0153105118Bile acid receptors and signaling crosstalk in the liver, gut and brainJessica M. Ferrell0John Y.L. Chiang1Corresponding author.; Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USAIntegrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USABile acids are physiological detergents derived from cholesterol that aid in digestion and nutrient absorption, and they play roles in glucose, lipid, and energy metabolism and in gut microbiome and metabolic homeostasis. Bile acids mediate crosstalk between the liver and gut through bactericidal modulation of the gut microbiome, while gut microbes influence the composition of the circulating bile acid pool. Recent research indicates bile acids may also be important mediators of neurological disease by acting as peripheral signaling molecules that activate bile acid receptors in the blood-brain barrier and in the brain itself. This review highlights the role of bile acids in maintaining liver and gut microbe homeostasis, as well as their function as mediators of cellular signaling in the liver-gut-brain axis.http://www.sciencedirect.com/science/article/pii/S2542568421000453Bile acid metabolismFarnesoid X receptor (FXR)Gut-brain axisMicrobiomeNeurodegenerative diseaseTakeda G protein-coupled receptor (TGR5)
spellingShingle Jessica M. Ferrell
John Y.L. Chiang
Bile acid receptors and signaling crosstalk in the liver, gut and brain
Liver Research
Bile acid metabolism
Farnesoid X receptor (FXR)
Gut-brain axis
Microbiome
Neurodegenerative disease
Takeda G protein-coupled receptor (TGR5)
title Bile acid receptors and signaling crosstalk in the liver, gut and brain
title_full Bile acid receptors and signaling crosstalk in the liver, gut and brain
title_fullStr Bile acid receptors and signaling crosstalk in the liver, gut and brain
title_full_unstemmed Bile acid receptors and signaling crosstalk in the liver, gut and brain
title_short Bile acid receptors and signaling crosstalk in the liver, gut and brain
title_sort bile acid receptors and signaling crosstalk in the liver gut and brain
topic Bile acid metabolism
Farnesoid X receptor (FXR)
Gut-brain axis
Microbiome
Neurodegenerative disease
Takeda G protein-coupled receptor (TGR5)
url http://www.sciencedirect.com/science/article/pii/S2542568421000453
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