Bile acids affect intestinal barrier function through FXR and TGR5

Bile acids play a dual role by aiding lipid absorption and acting as signaling molecules by interacting with various receptors. Bile acids are perpetually recycled via enterohepatic circulation and are biotransformation by gut microbiota, making bile acid metabolism a critical regulator of intestina...

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Main Authors: Guangyao Song, Yuxiao Xie, Lanlan Yi, Wenjie Cheng, Huijin Jia, Wenzhe Shi, Qiwei Liu, Ligui Fang, Shiqi Xue, Dan Liu, Junhong Zhu, Sumei Zhao
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-07-01
Series:Frontiers in Medicine
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Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2025.1607899/full
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author Guangyao Song
Yuxiao Xie
Yuxiao Xie
Lanlan Yi
Wenjie Cheng
Huijin Jia
Wenzhe Shi
Qiwei Liu
Ligui Fang
Shiqi Xue
Dan Liu
Junhong Zhu
Sumei Zhao
author_facet Guangyao Song
Yuxiao Xie
Yuxiao Xie
Lanlan Yi
Wenjie Cheng
Huijin Jia
Wenzhe Shi
Qiwei Liu
Ligui Fang
Shiqi Xue
Dan Liu
Junhong Zhu
Sumei Zhao
author_sort Guangyao Song
collection DOAJ
description Bile acids play a dual role by aiding lipid absorption and acting as signaling molecules by interacting with various receptors. Bile acids are perpetually recycled via enterohepatic circulation and are biotransformation by gut microbiota, making bile acid metabolism a critical regulator of intestinal homeostasis. The intestinal epithelium prominently expresses two key bile acid receptors - the farnesoid X receptor (FXR) and G protein-coupled bile acid receptor 1 (TGR5) - which play indispensable roles in maintaining bile acid homeostasis and intestinal barrier function. Due to the abundant expression of bile acid receptors and the importance of the intestine in preventing pathogen invasion, researchers are increasingly focused on the function of bile acids in this system. This article focuses on the effect of bile acids and their receptors, FXR and the TGR5, in modulating intestinal barrier function.
format Article
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institution Matheson Library
issn 2296-858X
language English
publishDate 2025-07-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Medicine
spelling doaj-art-a10a90d7f9234139a309d0e67a2f17f32025-07-07T05:26:44ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2025-07-011210.3389/fmed.2025.16078991607899Bile acids affect intestinal barrier function through FXR and TGR5Guangyao Song0Yuxiao Xie1Yuxiao Xie2Lanlan Yi3Wenjie Cheng4Huijin Jia5Wenzhe Shi6Qiwei Liu7Ligui Fang8Shiqi Xue9Dan Liu10Junhong Zhu11Sumei Zhao12College of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Biology and Agriculture, Zunyi Normal University, Zunyi, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming, ChinaBile acids play a dual role by aiding lipid absorption and acting as signaling molecules by interacting with various receptors. Bile acids are perpetually recycled via enterohepatic circulation and are biotransformation by gut microbiota, making bile acid metabolism a critical regulator of intestinal homeostasis. The intestinal epithelium prominently expresses two key bile acid receptors - the farnesoid X receptor (FXR) and G protein-coupled bile acid receptor 1 (TGR5) - which play indispensable roles in maintaining bile acid homeostasis and intestinal barrier function. Due to the abundant expression of bile acid receptors and the importance of the intestine in preventing pathogen invasion, researchers are increasingly focused on the function of bile acids in this system. This article focuses on the effect of bile acids and their receptors, FXR and the TGR5, in modulating intestinal barrier function.https://www.frontiersin.org/articles/10.3389/fmed.2025.1607899/fullbile acidsbile acid receptorsFXRTGR5intestinal barrier
spellingShingle Guangyao Song
Yuxiao Xie
Yuxiao Xie
Lanlan Yi
Wenjie Cheng
Huijin Jia
Wenzhe Shi
Qiwei Liu
Ligui Fang
Shiqi Xue
Dan Liu
Junhong Zhu
Sumei Zhao
Bile acids affect intestinal barrier function through FXR and TGR5
Frontiers in Medicine
bile acids
bile acid receptors
FXR
TGR5
intestinal barrier
title Bile acids affect intestinal barrier function through FXR and TGR5
title_full Bile acids affect intestinal barrier function through FXR and TGR5
title_fullStr Bile acids affect intestinal barrier function through FXR and TGR5
title_full_unstemmed Bile acids affect intestinal barrier function through FXR and TGR5
title_short Bile acids affect intestinal barrier function through FXR and TGR5
title_sort bile acids affect intestinal barrier function through fxr and tgr5
topic bile acids
bile acid receptors
FXR
TGR5
intestinal barrier
url https://www.frontiersin.org/articles/10.3389/fmed.2025.1607899/full
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