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Adropin and glucagon-like peptide-2 are associated with glucose metabolism in obese children 
 
Adropin and glucagon-like peptide-2 are associated with glucose metabolism in obese children
  Rui-Min Chen, Xin Yuan, Qian Ouyang, Xiang-Quan Lin, Zhuan-Zhuan Ai, Ying Zhang, Xiao-Hong Yang
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Background: The interaction of adropin, glucagon-like peptide-2 (GLP2), angiopoietin-like protein 4 (ANGPTL4), and with childhood obesity and glucose metabolism is inconsistent. This study is to evaluate the association of the three cytokines and glucose homeostasis.
Methods: This was a cross-sectional study of children with obesity ranging from 5 to 14 years compared to age- and sex-matched children of normal weight. Fasting plasma glucose (FPG), oral glucose tolerance test 2-hour plasma glucose (OGTT2hPG), and insulin (INS) were measured, and serum adropin, GLP2, and ANGPTL4 levels were measured by enzymelinked immunosorbent assay. The body mass index (BMI), BMI-Z scores, waist-to-hip ratio (WHR), and homeostasis model assessment of insulin resistance (HOMA-IR) were calculated.
Results: Thirty-nine children (9.70 ¡À 1.71 years, 18 females) with obesity and 29 normal weight children (8.98 ¡À 1.98 years, 16 females) were assessed. The levels of INS, HOMA-IR and GLP2 of the obesity group were significantly higher than the controls (P < 0.05). Pearson correlation analysis showed that serum GLP2 was positively associated with WHR, FPG, and OGTT2hPG, and adropin was negatively associated with BMI, BMI-Z, WHR, INS, and HOMA-IR (all P < 0.05). Furthermore, GLP2 were negatively associated with adropin and ANGPTL4 (both P < 0.05). By binary logistic regression, adropin and GLP2 were found to be independent markers of obesity. Multiple linear regression showed that GLP2 was associated with OGTT2hPG, and adropin was associated with INS and HOMA-IR (all P < 0.05).
Conclusions: Obese children had elevated GLP2 concentrations, and adropin and GLP2 associated with both childhood obesity and glucose homeostasis. Furthermore, there may be a physiologic interplay between adropin and GLP2 in obese children.
 
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World Journal of Pediatric Surgery

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