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Current Obesity Reports

, Volume 4, Issue 4, pp 441–450 | Cite as

The Influence of Bariatric Surgery on Serum Bile Acids in Humans and Potential Metabolic and Hormonal Implications: a Systematic Review

  • Abigail J. Cole
  • Levi M. Teigen
  • Cyrus Jahansouz
  • Carrie P. Earthman
  • Shalamar D. Sibley
Metabolism (P Trayhurn, Section Editor)
Part of the following topical collections:
  1. Topical Collection on Metabolism

Abstract

Recent research suggests a mechanistic role for bile acids (BA) in the metabolic improvement following bariatric surgery. It is believed that the hormonal and metabolic effects associated with changes in systemic BAs may be related to the farnesoid X receptor (FXR) and a G-protein coupled receptor (TGR5). This systematic review examines changes in systemic BAs following bariatric procedures. Studies were included if they reported the measurement of systemic BAs in humans at at least one time point after bariatric surgery. Eleven papers were identified that met the inclusion criteria. Seven studies reported the effect of Roux-en-Y gastric bypass (RYGB) on fasting BAs. The majority (6/7) reported that fasting BAs increased after RYGB. Data regarding fasting BAs after vertical sleeve gastrectomy (VSG) and laparoscopic gastric banding (LAGB) are inconsistent. Data regarding post-prandial BA changes after RYGB, VSG, and LAGB are also inconsistent. More research is needed to investigate the connection between BAs and the metabolic improvement seen after bariatric surgery.

Keywords

Bile acids Bariatric surgery RYGB Gastric bypass Vertical sleeve gastrectomy Obesity FXR TGR5 Metabolism 

Notes

Acknowledgments

Abigail Cole and Levi Teigen contributed equally to this work under the joint guidance of Shalamar Sibley and Carrie Earthman.

Compliance with Ethics Guidelines

Conflict of Interest

Abigail J. Cole, Levi M. Teigen, Cyrus Jahansouz, Carrie P. Earthman, and Shalamar D. Sibley declare that they have no conflict of interest.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Abigail J. Cole
    • 1
  • Levi M. Teigen
    • 1
  • Cyrus Jahansouz
    • 2
  • Carrie P. Earthman
    • 1
  • Shalamar D. Sibley
    • 3
  1. 1.Department of Food Science and NutritionUniversity of Minnesota-Twin CitiesSaint PaulUSA
  2. 2.Medical School, Department of SurgeryUniversity of Minnesota-Twin CitiesMinneapolisUSA
  3. 3.Department of Medicine, Division of EndocrinologyUniversity of Minnesota-Twin CitiesMinneapolisUSA

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