Abstract
Background
This study aimed to investigate the influence of new biliopancreatic diversion (NBPD) and duodenal-jejunal bypass (DJB) surgery on blood glucose, lipids, gastrointestinal hormones, and insulin in Goto-Kakizaki (GK) rats, an animal model for type 2 diabetes, in order to elucidate the mechanisms underlying the therapeutic effect of these types of surgery on this clinical condition.
Methods
Thirty 30 male GK rats (SPF) aged 12 weeks were randomly assigned into three groups (n = 10 per group): sham group, NBPD group, and DJB group. Body weight, random plasma glucose, fasting plasma glucose (FPG), oral glucose tolerance (OGT), blood lipids, plasma insulin, glucagon like peptide-1 (GLP-1), and gastric inhibitory polypeptide (GIP) were measured before and after surgery.
Results
NBPD surgery improved glucose tolerance, decreased fasting free fatty acids, triglycerides, and cholesterol. It also increased fasting and postprandial GIP, but caused no change in GLP-1. DJB surgery produced results similar to NBPD surgery except for causing a decrease in postprandial GLP-1 and insulin, and a larger increase in fasting GIP.
Conclusions
Moving the biliopancreatic duct outlet to the mid-jejunum (NBPD surgery) improves glucose tolerance and increases GIP, but does not change GLP-1. Adding duodenal bypass (DJB surgery) increases fasting GIP and decreases postprandial GLP-1.
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Supported by: The Fujian Provincial Natural Science Foundation, No. 2014J01312. Training Project of Young Talents in Health System of Fujian Province, No.2014-ZQN-ZD-17. Professor Development Fund of Fujian Medical University, No.JS14020.
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Weng, S., Zhang, B., Xu, C. et al. Influence of New Modified Biliopancreatic Diversion on Blood Glucose and Lipids in GK rats. OBES SURG 27, 657–664 (2017). https://doi.org/10.1007/s11695-016-2320-z
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DOI: https://doi.org/10.1007/s11695-016-2320-z