Basic Study
Copyright ©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Diabetes. Apr 15, 2021; 12(4): 453-465
Published online Apr 15, 2021. doi: 10.4239/wjd.v12.i4.453
Effect of oligofructose on resistance to postoperative high-fat diet-induced damage of metabolism in diabetic rats after sleeve gastrectomy
Ming-Wei Zhong, Yue Li, Yu-Gang Cheng, Qiao-Ran Liu, San-Yuan Hu, Guang-Yong Zhang
Ming-Wei Zhong, Yu-Gang Cheng, Qiao-Ran Liu, San-Yuan Hu, Guang-Yong Zhang, Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan 250014, Shandong Province, China
Ming-Wei Zhong, Yu-Gang Cheng, Qiao-Ran Liu, San-Yuan Hu, Guang-Yong Zhang, Key Laboratory of Metabolism and Gastrointestinal Tumor, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
Ming-Wei Zhong, Yu-Gang Cheng, Qiao-Ran Liu, San-Yuan Hu, Guang-Yong Zhang, Key Laboratory of Laparoscopic Technology, The First Affiliated Hospital of Shandong First Medical University, Shandong Medicine and Health Key Laboratory of General Surgery, Jinan 250014, Shandong Province, China
Yue Li, Department of General Surgery, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250014, Shandong Province, China
Author contributions: Zhong MW, Li Y, Liu QR, Hu SY, and Zhang GY contributed to the conception of the manuscript, design of the experiments, analysis and interpretation of the data, and writing of the manuscript; Zhong MW, Li Y, and Cheng YG performed the experiments, analyzed the data, and wrote the manuscript; all authors have commented on the initial and final drafts of the manuscript and are responsible for approval of the final version of the manuscript in all aspects.
Supported by The National Natural Science Foundation of China, No. 81900705.
Institutional review board statement: This study protocol was reviewed and approved by the First Affiliated Hospital of Shandong First Medical University (Approval No. 2020S396).
Institutional animal care and use committee statement: All procedures involving animals were reviewed and approved by the Institutional Animal Care Committee of the First Affiliated Hospital of Shandong First Medical University, Jinan, China (Protocol No. 2018-006).
Conflict-of-interest statement: There is no conflict of interest to declare.
Data sharing statement: No additional data are available.
ARRIVE guidelines statement: The authors have read the ARRIVE guidelines, and the manuscript was prepared and revised according to the ARRIVE guidelines.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (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/
Corresponding author: Guang-Yong Zhang, PhD, Doctor, Professor, Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, No. 16766 Jingshi Road, Jinan 250014, Shandong Province, China. guangyongzhang@hotmail.com
Received: December 11, 2020
Peer-review started: December 11, 2020
First decision: December 31, 2020
Revised: January 13, 2021
Accepted: March 7, 2021
Article in press: March 7, 2021
Published online: April 15, 2021
ARTICLE HIGHLIGHTS
Research background

Type 2 diabetes mellitus is one of the important complications of obesity. Bariatric surgery can treat obesity and diabetes effectively, but the recurrence of diabetes after surgery is still one of the problems to be solved. However, whether oligofructose has an effect on metabolism after bariatric surgery remains to be further studied.

Research motivation

Prebiotics promote the weight loss and improve the metabolism of glucose and lipid. The mechanism of these benefits may be due to reduced energy intake, regulation of gut microbiota, improvement of low-grade inflammation, and increase of intestinal hormones, such as glucagon like peptide-1 (GLP-1) and peptide YY, which prompted us to explore whether prebiotics can reduce or delay the recurrence of diabetes after surgery.

Research objectives

The present study aimed to find the effect and mechanism of oligofructose on diabetic remission in diabetic rats after sleeve gastrectomy (SG).

Research methods

SG and SHAM operation were performed on diabetes rats induced with a high-fat diet (HFD), nicotinamide, and low-dose streptozotocin. Then the rats in SHAM and SG groups were continuously provided with the HFD, and the rats in the SG-oligofructose group were provided with a specific HFD containing 10% oligofructose. Body weight, calorie intake, oral glucose tolerance test, homeostasis model assessment of insulin resistance, lipid profile, serum insulin, GLP-1, total bile acids, lipopolysaccharide (LPS), and colonic microbiota levels were determined and compared at the designated time points. All statistical analyses was performed using Solutionsstatistical Package for the Social Sciences version 19.0 (IBM, United States), and the statistically significant difference was considered at P < 0.05.

Research results

Oligofructose treatment reduced body weight, energy intake, and LPS levels, increased GLP-1 levels, and improved insulin resistant and lipid profiles. Oligofructose also altered the gut microbiota in the SG-oligofructose group.

Research conclusions

Oligofructose partially prevents HFD-induced glucose and lipid metabolism damage after SG in rats, and the effects of oligofructose on calorie intake, insulin, GLP-1, LPS, and gut microbiota may contribute to protective function for damaged metabolism.

Research perspectives

The results of this study provide evidence that oligofructose could be a promising agent for the treatment in diabetic rats after SG. Further studies that assess the effect of oligofructose on the mechanism of preventing HFD-induced glucose and lipid metabolism damage after SG may substantiate our findings and pave the path for clinical translation of the therapeutic effects of oligofructose.