Field Of Vision
Copyright ©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Diabetes. Apr 15, 2015; 6(3): 367-370
Published online Apr 15, 2015. doi: 10.4239/wjd.v6.i3.367
Ménage-à-trois of bariatric surgery, bile acids and the gut microbiome
Rajendra Raghow
Rajendra Raghow, Department of Veterans Affairs Medical Center, Memphis, TN 38104, United States
Rajendra Raghow, Department of Pharmacology, University of Tennessee Health Science Center, Memphis, TN 38163, United States
Author contributions: Raghow R solely wrote this paper.
Conflict-of-interest: Rajendra Raghow declares that there is neither a conflict of interest with regard to the publication discussed in this FOV communication nor with respect to a commercial entity.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Rajendra Raghow, PhD, Professor, Department of Veterans Affairs Medical Center, 1030 Jefferson Avenue, Memphis, TN 38104, United States. rraghow@uthsc.edu
Telephone: +1-901-5238990 Fax: +1-901-5237274
Received: June 13, 2014
Peer-review started: June 14, 2014
First decision: June 27, 2014
Revised: December 26, 2014
Accepted: January 9, 2015
Article in press: January 12, 2015
Published online: April 15, 2015
Core Tip

Core tip: The report of Ryan et al, raises a number of questions with regard to the prevailing notion that mechanical restriction of the stomach and weight loss are the sole mechanisms that mediate the therapeutic effects of bariatric surgery. The authors showed that both lowering of body mass index and improved glucose tolerance after vertical sleeve gastrectomy (VSG) surgery were mechanistically linked to an altered composition of circulating bile acids and their ability to modulate farnesoid-X receptor (FXR) mediated signaling mechanisms. Additionally, it was observed that the wild type and FXR knockout mice, after receiving VSG surgery, were significantly different with respect to the make up of their gut microbiomes. Finally, the experiments revealed that the composition of gut microbiota in wild type VSG and FXR-/- VSG mice were highly correlated with their differential abilities to lose weight and acquire glucose tolerance.