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Related Experiment Video

Updated: May 27, 2025

Ileectomy-induced Bile Overaccumulation in Mouse Intestine
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Bile acids and metabolic surgery.

Hui Xue1, Luyao Huang1, Jui Tu2

  • 1Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.

Liver Research
|February 17, 2025
PubMed
Summary

Metabolic surgery effectively treats obesity and related diseases. Targeting bile acids, key mediators altered by surgery, offers a promising non-invasive approach to achieve similar health benefits.

Keywords:
Bile acidFarnesoid X receptor (FXR)Metabolic surgeryNon-alcoholic fatty liver disease (NAFLD)ObesityTakeda G protein-coupled receptor 5 (TGR5)Type 2 diabetes (T2D)

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Area of Science:

  • Endocrinology
  • Metabolic Diseases
  • Surgical Innovation

Background:

  • Obesity and its comorbidities present a global health crisis.
  • Metabolic surgeries like Roux-en-Y gastric bypass and vertical sleeve gastrectomy are highly effective but invasive.
  • Non-invasive alternatives that mimic surgery's benefits are urgently needed.

Purpose of the Study:

  • To review the role of bile acids in mediating metabolic surgery's effects.
  • To explore bile acid receptors, farnesoid X receptor (FXR) and Takeda G protein-coupled receptor 5 (TGR5).
  • To assess the potential of targeting bile acid pathways as a non-invasive therapeutic strategy.

Main Methods:

  • Literature review of recent studies on metabolic surgery and bile acid signaling.
  • Analysis of the impact of metabolic surgery on bile acid profiles.
  • Examination of the function of bile acid receptors in metabolic regulation.

Main Results:

  • Metabolic surgery significantly alters bile acid composition and signaling.
  • Bile acids act as crucial downstream mediators of surgical metabolic benefits.
  • FXR and TGR5 are key receptors involved in mediating these effects.

Conclusions:

  • Bile acids are central to the metabolic improvements seen after bariatric surgery.
  • Targeting bile acid pathways presents a viable non-invasive strategy to replicate metabolic surgery's advantages.
  • Pharmacological modulation of bile acid signaling holds promise for treating obesity and metabolic disorders.