Authors: Chunxiao Hu Guangyong Zhang Dong Sun Haifeng Han Sanyuan Hu
Publish Date: 2013/05/01
Volume: 23, Issue: 9, Pages: 1436-1444
Abstract
There is accumulating evidence that adipokines lead to a proinflammatory state which plays crucial roles in insulin resistance and development of type 2 diabetes mellitus T2DM Previous studies demonstrated that weight loss after bariatric surgery is accompanied by a suppression of the proinflammatory state However the effect of bariatric surgery on adipokine expression beyond weight loss is still elusive The aim of this study was to investigate the effect of duodenal–jejunal bypass DJB on glucose homeostasis and adipokine expression independently of weight lossA T2DM rat model was developed by a highfat diet and low dose of streptozotocin Twentyone diabetic rats and 10 agematched SD rats were randomly assigned to the DJB group shamDJB SDJB group and control group For 12 weeks after surgery their body weight food intake glucose homeostasis lipid parameters serum adipokine levels and adipokine gene expression in the mesocolon adipose tissue were measuredCompared to the SDJB group DJB induced significant and sustained glycemic control with improved insulin sensitivity and glucose tolerance independently of weight loss DJB improved the lipid metabolism by decreasing fasting free fatty acids and triglycerides Serum leptin and IL6 significantly decreased 12 weeks after DJB whereas adiponectin increased and TNFα remained unchanged The mRNA expression levels of leptin TNFα and IL6 decreased whereas adiponectin increased in the mesocolon adipose tissueThis work was supported by the National Natural Science Foundation of China no 81270888/H0713 and no 81070642/H0713 Specialized Research Fund for the Doctoral Program of Higher Education no 20100131110049 Shandong Provincial Outstanding Medical Academic Professional Program Natural Science Foundation of Shandong Province grants no ZR2012HQ030 and Graduate Independent Innovation Foundation of Shandong University noyzc12160 Thanks to Dr Edward C Mignot Shandong University and EDANZ a professional language service for linguistic advice
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