Cited by 107Drug Transport and Resistance MechanismsCholesterol and Lipid MetabolismLiver Disease Diagnosis and Treatment

Hepatic FXR/SHP axis modulates systemic glucose and fatty acid homeostasis in aged mice

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Kim, Kang Ho, Choi, Sungwoo, Zhou, Ying, Kim, Eun Young, Lee, Jae Man, Saha, Pradip K., Anakk, Sayeepriyadarshini, Moore, David D.·2017·Hepatology

Abstract

The nuclear receptors farnesoid X receptor (FXR; NR1H4) and small heterodimer partner (SHP; NR0B2) play crucial roles in bile acid homeostasis. Global double knockout of FXR and SHP signaling (DKO) causes severe cholestasis and liver injury at early ages. Here, we report an unexpected beneficial impact on glucose and fatty acid metabolism in aged DKO mice, which show suppressed body weight gain and adiposity when maintained on normal chow. This phenotype was not observed in single Fxr or Shp knockouts. Liver‐specific Fxr/Shp double knockout mice fully phenocopied the DKO mice, with lower hepatic triglyceride accumulation, improved glucose/insulin tolerance, and accelerated fatty acid use. In both DKO and liver‐specific Fxr/Shp double knockout livers, these metabolic phenotypes were associated with altered expression of fatty acid metabolism and autophagy‐machinery genes. Loss of the hepatic FXR/SHP axis reprogrammed white and brown adipose tissue gene expression to boost fatty acid usage. Conclusion: Combined deletion of the hepatic FXR/SHP axis improves glucose/fatty acid homeostasis in aged mice, reversing the aging phenotype of body weight gain, increased adiposity, and glucose/insulin tolerance, suggesting a central role of this axis in whole‐body energy homeostasis. (H epatology 2017;66:498–509).

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  • The impaired insulin-PI3K-mTOR signalling further inhibits muscle mitochondrial function, leading to further lipid accumulation and lipid oxidation-induced ROS, thus creating a vicious cycle of myosteatosis, lipotoxicity and muscle IR with ageing.

    “In addition, the impaired insulin‐PI3K‐mTOR signalling further inhibits muscle mitochondrial function, leading to further lipid accumulation and lipid oxidation‐induced ROS, thus creating a vicious cycle of myosteatosis, lipotoxicity and muscle IR with ageing.[ 55 ]”

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Authors
Kim, K. H., Choi, S., Zhou, Y., Kim, E. Y., Lee, J. M., Saha, P. K., Anakk, S., & Moore, D. D.
Affiliations
  • Baylor College of Medicine (US)
  • Kyungpook National University (KR)
  • University of Illinois Urbana-Champaign (US)
Corresponding author
Moore, David D.
Venue
Hepatology
Published
2017-06-26
Volume
66
Issue
2
Pages
498-509
ISSN
  • 0270-9139 (ISSN-L)
  • 1527-3350
OpenAlex
W2662679145
Cited by
107
References
45
Citations by year
2026: 7 · 2025: 8 · 2024: 12 · 2023: 18 · 2022: 14 · 2021: 13 · 2020: 12 · 2019: 9 · 2018: 9 · 2017: 5
FWCI
4.22
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • École Polytechnique Fédérale de Lausanne
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (U19DK062434, R01DK113080)
Topics
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
Keywords
farnesoid X receptor, small heterodimer partner, hepatic glucose homeostasis, fatty acid homeostasis, aging, adiposity, insulin tolerance, hepatic triglyceride accumulation, autophagy, white adipose tissue, brown adipose tissue, energy homeostasis, bile acid signaling, liver-specific knockout
MeSH terms
Receptor, Farnesoid X-Activated, Aging, Analysis of Variance, Animals, Autophagy, Cells, Cultured, Disease Models, Animal, Fatty Acids, Gene Expression Regulation, Glucose, Homeostasis, Liver, Male, Mice, Inbred C57BL, Random Allocation, Gene Deletion, Receptors, Cytoplasmic and Nuclear, Mice, Knockout, Hepatocytes, Lipid Metabolism, Mice, Protein Tyrosine Phosphatase, Non-Receptor Type 6

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