Abstract
While the influence of various factors on classical androgen synthesis in children and adolescents and its impact on puberty has been widely investigated, there appear to be gaps and contradictory findings regarding the association of overweight and obesity with the synthesis of adrenal-derived 11-oxygenated androgen (11-OA) serum levels. With this study, we aimed to examine how overweight and obesity affect 11-OA serum levels during puberty in a large cohort of children and adolescents. Our cohort comprised 1,054 healthy children aged 6 to 19 years providing serum samples at a total of 1,734 visits. Liquid chromatography-tandem mass spectrometry was used to quantify 11-ketotestosterone (11-KT), 11-ketoandrostendione (11-KA4), 11-ß-hydroxytestosterone (11-OHT), 11-ß-hydroxyandrostendione (11-OHA4), testosterone, androstenedione, and DHEAS. In addition, we assessed BMI-SDSs; skinfold thicknesses; and Tanner stages. The significance level α was set to α=0.05. Increases in 11-KT, 11-KA4, 11-OHT, and 11-OHA4 levels were observed in boys and girls during puberty. 11-KT (ß=0.2, p<0.001), 11-KA4 (ß=0.16, p<0.001) and 11-OHA4 (ß=0.12, p=0.003) were positively correlated with BMI in boys age 13 and under. 11-KT (ß=0.1, p=0.047) was positively correlated with BMI in girls age 11 and under. 11-OHT was positively correlated with BMI independent of age (boys 13 and under: ß=0.17, p<0.001; over 13 years: ß=0.14, p=0.001; girls 11 and under: ß=0.17, p<0.001; over 11 years: ß=0.18, p<0.001). We found increasing 11-OA serum levels throughout all Tanner stages. 11-OAs were observed to be associated with BMI and skinfold thickness, suggesting that overweight and obesity may be associated with pubertal alterations in 11-OA serum levels.
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