hrp0097p1-204 | Adrenals and HPA Axis | ESPE2023

Longitudinal Changes in Serum DLK1 Concentrations During Minipuberty in Healthy Infant Girls; Association to Changes in Linear Growth and Fat Mass

Vilmann Lea , Siegfried Busch Alexander , Lindhardt Ljubicic Marie , N. Upners Emmie , Bistrup Fischer Margit , P. Hagen Casper , Juul Anders

Background: Growth in infancy is considered primarily to be regulated by nutrition and insulin, whereas less is known about the influence of IGF-I, reproductive hormones and other factors of importance. Recently, paternally inherited genetic defects of DLK1 (Delta-like 1 homolog) were found in girls with central precocious puberty (CPP) with a metabolic phenotype. In addition, low maternal serum DLK1 concentrations were significantly lower in pregnant women wh...