Sclerostin and its significance for children and adolescents with type 1 diabetes mellitus (T1D)
2019
Abstract Introduction Recent studies have shown that sclerostin, which is a negative regulator of bone formation, could play an important role in the crosstalk between bone and glucose metabolism. The role of sclerostin and its link with glucose homeostasis in type 1 diabetes mellitus (T1D) has not been yet studied extensively in children. The aim of this study was to assess sclerostin and its relationship between other bone and fat related factors as well as glucose metabolism in children and adolescents with T1D in comparison to their healthy peers. Methods Forty patients with T1D, 18 girls, mean age 12.3 ± 4.7 yrs, and 28 healthy as controls (13.1 ± 4.2 yrs), sex and Tanner stage-matched were included into the study. Fasting blood samples for measurement of sclerostin, osteocalcin (OC), leptin, adiponectin, vitamin D, fasting glucose, lipid profile, HbA1c, and C-peptide were taken at 8.00 AM. Results Sclerostin levels were significantly higher in patients with T1D than in the control group (p = 0.04) without significant differences between genders. Pearson correlation coefficients revealed a positive association between serum sclerostin levels and leptin OC (r = 0.59, p In the group of T1D patients a strong positive association between serum sclerostin levels and OC (r = 0.62, p In the healthy group after adjustment to age, SDS-BMI and Tanner stage, a negative correlation between sclerostin and C-peptide (r = −0.79, p = 0.02) was found. Conclusions Our data suggest a possible relationship between sclerostin and glucose metabolism in children and adolescents with T1D. It would be worth to investigate if an increase in sclerostin levels could present as a potential cause of the reduction of bone formation in T1D. Both bone-derived OC as well as fat-derived leptin seems to possibly modulate the participation of sclerostin in metabolic regulation in T1D.
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