Author

J. H. Petersen

3 papers indexed here

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Open access Sep 2026

Circulating matrix GLA protein during puberty in healthy and central precocious puberty children

Objective Matrix GLA protein (MGP) is involved in the regulation of extracellular matrix mineralisation, including bone formation. The peripubertal years are critical for linear growth and acquisition of bone mass. Emerging evidence suggests that plasma concentrations of dephosphorylated undercarboxylated MGP (dp-ucMGP...

Maria Bentz Damholt, S. Holmboe, J. H. Petersen et al. · Endocrine Connections · 0 citations

Open access Oct 2026

Lower Systolic Blood Pressure in 67 Boys With Klinefelter Syndrome Compared to 1842 Healthy Danish Boys.

OBJECTIVE Our objective was to develop age- and height-specific reference ranges for blood pressure, pulse pressure and mean arterial pressure in healthy boys and to compare these to measurements in patients with Klinefelter syndrome followed longitudinally through childhood and adolescence. DESIGN Cohort study consi...

Andrés Felipe Ø. Fritzbøger, Riccardo Battiston, Cecilie N. Larsen et al. · Andrology · 0 citations

Open access Aug 2026

CYP19A1 variation in healthy children: associations with breast development and pubertal gynecomastia

Background CYP19A1 encodes aromatase, the enzyme converting androgens to estrogens, thereby influencing breast tissue development in healthy children. Objective To examine associations between CYP19A1 single nucleotide polymorphisms (SNPs) and circulating estradiol (E2) and testosterone (T), the E2/T ratio and age at t...

Veronica L R Groendahl, S. Holmboe, A. Busch et al. · Endocrine Connections · 0 citations