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Serum levels of FGF21 are reduced and negatively correlated with adiponectin in children with Prader-Willi syndrome
International Journal of Pediatric Endocrinology volume 2013, Article number: P52 (2013)
FGF21 (fibroblast growth factor 21) is a novel metabolic regulator that has beneficial effects on glucose homeostasis and insulin sensitivity. In human obesity, serum FGF21 level was increased. The aims of this study were comparing fasting serum levels of FGF21 in Prader-Willi syndrome (PWS) and obese control children and finding correlations these levels with insulin sensitivity and obesity-related parameters.
Sixteen children (median age, 10 years; interquartile range, 9.0–13.5 years) with PWS were matched with 16 control subjects (median age, 10.5 years; interquartile range, 9.5- 12.5 years). We measured serum levels of FGF21, adiponectin, insulin sensitivity and obesity-related parameters during oral glucose tolerance test.
Waist to hip ratio and HOMA-IR were lower in PWS individuals relative to control subjects. Remarkably, serum levels of FGF21 were lower and adiponectin were higher in PWS subjects than in control subjects. FGF21 levels were significantly positively correlated with HOMA-IR and negatively correlated with adiponectin.
Previously, FGF21 level was reported to increase with obesity. However, compared with obese controls, our results show PWS individuals have lower FGF21 levels. Our data suggest that insulin sensitivity, lower waist to hip ratio, lower FGF21 levels and higher adiponectin levels are the characteristics of PWS children.
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Kim, S.J., Sohn, Y.B., Cho, SY. et al. Serum levels of FGF21 are reduced and negatively correlated with adiponectin in children with Prader-Willi syndrome. Int J Pediatr Endocrinol 2013, P52 (2013). https://doi.org/10.1186/1687-9856-2013-S1-P52
- Insulin Sensitivity
- Oral Glucose Tolerance Test
- Adiponectin Level
- Fasting Serum
- FGF21 Level