Impact of a post-lifestyle modification program in circulating angiopoietin-like proteins in Arab adolescents
This study investigated the differences and associations between serum levels of angiopoietin-like (ANGPTL)3, ANGPTL4, and ANGPTL8 in Saudi adolescents with varying levels of obesity and glycemia before and after undergoing a 12-month lifestyle change intervention. A total of 218 Saudi adolescents (45 normal, 77 overweight, and 96 obese) (mean age = 15.1 ± 1.5 years; mean BMI = 35.1 ± 6.6 kg/m2) were included. Anthropometrics were measured at baseline and follow-up. Overnight-fasting serum samples were also collected at baseline and after 12 months of intervention for routine analysis of fasting glucose, glycated hemoglobin (HbA1c) and lipid profile. Serum levels of insulin and ANGPTLs were assessed using commercial assays. At baseline, obese children had a higher ANGPTL8 level [0.7 ng/ml (0.4–1.3), p = 0.03]. In children with prediabetes (defined as those with HbA1c > 5.7), ANGPTL8 levels and HbA1c were significantly lower post-intervention [0.2 (0.1–0.8), p = 0.002; 5.5 ± 1.1), p < 0.001, respectively]. Follow-up lipid profile and insulin levels were significantly higher in all participants with prediabetes and obesity (p-values < 0.05). ANGPTL8 levels of those who achieved 5 % weight loss (N = 25) showed no difference after follow-up (p = 0.59). In conclusion, following a 12-month lifestyle modification program, decreased levels of circulating ANGPTL8 were observed in adolescents with obesity and prediabetes. Consequently, the degree of insulin resistance may be improved by reducing reduced ANGPTL8 levels.
This study investigated the differences and associations between serum levels of angiopoietin-like (ANGPTL)3, ANGPTL4, and ANGPTL8 in Saudi adolescents with varying levels of obesity and glycemia…
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