Cited by 285Drug Transport and Resistance MechanismsCholesterol and Lipid MetabolismLiver physiology and pathology

Bile acids are nutrient signaling hormones

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Zhou, Huiping, Hylemon, Phillip B.·2014·Steroids

Abstract

Bile salts play crucial roles in allowing the gastrointestinal system to digest, transport and metabolize nutrients. They function as nutrient signaling hormones by activating specific nuclear receptors (FXR, PXR, Vitamin D) and G-protein coupled receptors [TGR5, sphingosine-1 phosphate receptor 2 (S1PR2), muscarinic receptors]. Bile acids and insulin appear to collaborate in regulating the metabolism of nutrients in the liver. They both activate the AKT and ERK1/2 signaling pathways. Bile acid induction of the FXR-α target gene, small heterodimer partner (SHP), is highly dependent on the activation PKCζ, a branch of the insulin signaling pathway. SHP is an important regulator of glucose and lipid metabolism in the liver. One might hypothesize that chronic low grade inflammation which is associated with insulin resistance, may inhibit bile acid signaling and disrupt lipid metabolism. The disruption of these signaling pathways may increase the risk of fatty liver and non-alcoholic fatty liver disease (NAFLD). Finally, conjugated bile acids appear to promote cholangiocarcinoma growth via the activation of S1PR2.

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Crossref · 10.1016/j.steroids.2014.04.016

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  • Some secondary bile acids impact host physiology through interaction with host nuclear receptors including FXR, LXR, PXR, and specific G-protein coupled receptors like TGR5.

    “Following systemic adsorption, some secondary BAs in turn impact host physiology though interaction with a variety of host nuclear receptors including FXR, liver X receptor (LXR), pregnane X receptor (PXR), and specific G-protein coupled receptors like TGR5 (Figure 1)40–44.”

    From Gut microbiota and cardiovascular disease. (2020) · cites this paper as [42]

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Authors
Zhou, H., & Hylemon, P. B.
Affiliations
Virginia Commonwealth University (US)
Corresponding author
  • Zhou, Huiping
  • Hylemon, Phillip B.
Venue
Steroids
Publisher
Elsevier BV
Published
2014-08
Volume
86
Pages
62-68
ISSN
0039-128X (ISSN-L)
OpenAlex
W2075781716
Cited by
285
References
73
Citations by year
2026: 14 · 2025: 20 · 2024: 19 · 2023: 30 · 2022: 29 · 2021: 29 · 2020: 24 · 2019: 23 · 2018: 30 · 2017: 25 · 2016: 26 · 2015: 11 · 2014: 5
FWCI
2.49
Type
journal article
Language
en
Open access
Locations
  • Steroids (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01 BX001390)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK057543)
Topics
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
bile acids, farnesoid X receptor, pregnane X receptor, vitamin D receptor, TGR5, S1PR2, muscarinic receptors, insulin signaling, Akt signaling, ERK signaling, protein kinase C, small heterodimer partner, hepatic metabolism, insulin resistance, chronic inflammation, non-alcoholic fatty liver disease, cholangiocarcinoma, bile acid conjugates
MeSH terms
Bile Acids and Salts, Food, Glucose, Humans, Metabolic Diseases, Signal Transduction, Receptors, Cytoplasmic and Nuclear, Receptors, G-Protein-Coupled, Lipid Metabolism

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