Increase in Pappalysin Levels Could Promote IGF-1 Bioavailability in Children with Prader-Willi Syndrome

The increase in free insulin-like growth factor (IGF)-I levels in prepubertal children with Prader-Willi Syndrome (PWS) treated with exogenous growth hormone (GH) could be caused by increased pregnancy-associated plasma protein A (PAPP-A, PAPP-A2) levels and a reduction in stanniocalcins (STC-1, STC-2), according to a study recently published in The Journal of Clinical Endocrinology & Metabolism. […]

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