ESPE Abstracts

Aim: This study aimed to compare the levels of appetite-regulating hormones (ghrelin, leptin, peptide-YY (PYY), neuropeptide-Y (NPY)) in girls with idiopathic central precocious puberty (ICPP) before treatment with prepubertal girls, and to evaluate changes in these hormone levels and body composition during leuprolide acetate (LA) treatment.Methods: This prospective, cross-sectional study included girls with ICPP, isola...

Background: Congenital hyperinsulinism (CHI) is a heterogeneous group of disorders, characterized by hypoglycemia due to inappropriate insulin secretion. Despite huge progress in understanding the pathophysiology of CHI, its etiology remains unknown in about 30% of cases.Aim: To perform whole-exome sequencing in patients with CHI.Results: A total of 314 patients with congenital hyp...

Deficiency of pregnancy-associated plasma protein-A2 (PAPP-A2), a protease that regulates IGF-1 availability, causes postnatal growth failure and changes in bone size and density in humans and mice. The present study aimed to determine the effects of daily administration (from PND5 to PND35) of recombinant murine (rm) PAPP-A2, in comparison to rmGH and rmIGF1, on mouse auxology and bone microarchitecture in homozygous Pappa2 knock-out (ko/ko) mice of both sexes. Hormone treatm...

Background: Achondroplasia (ACH), caused by a pathogenic variant in the fibroblast growth factor receptor 3 gene (FGFR3), is characterized by severe growth failure and may be associated with multisystemic complications. The clinical phenotype is variable and relates to deformity of rhizomelic shortened legs, and myelon compression at cranial base and spine. Recent guidelines are published for diagnostic workflow, neurosurgical, orthopaedic and otorhinolaryngol...

Central precocious puberty (CPP) may be secondary to congenital adrenal hyperplasia (CAH), due to 21-hydroxylase deficiency. CPP in CAH may be associated with elevated sex-steroid levels and possibly a decline in negative sex-steroid feedback after treatment initiation. We experienced the two family cases of the salt-wasting form of the CAH, complicated by CPP with early maturation of the hypothalamic-pituitary-gonadal axis in all patients from two families.<p class="abste...

Pregnancy associated plasma protein (PAPP)-A2 is an insulin-like growth factor (IGF) binding protein (BP) protease that regulates IGF-1 availability affecting postnatal growth. Mutations in human PAPP-A2 cause short stature and changes in bone size and mineral density. The present study aimed to characterize the effects of constitutive Pappa2 gene deletion on hypothalamic regulation of energy homeostasis in adult male and female mice. In addition to being sho...

Background: Pseudopseudohypoparathyroidism (PPHP) is a rare variant of pseudohypoparathyroidism (PHP) type I, with typical anatomical abnormalities known as Albright's hereditary osteodystrophy (AHO)(short stature, brachydactyly particularly involving metacarpals and metatarsals, round face, stocky build, ectopic ossifications and a number of possible associated defects), but with normal calcium, phosphate and PTH levels and normal response to exogenous PT...

Background: The prevalence of atypical genitalia and the time taken to assign sex in such cases remains unclear. Provision of optimum healthcare during this period requires a clear understanding of the occurrence of atypical genitalia.Methods: Prospective electronic survey of clinical members of managed clinical networks in Scotland between 2013 and 2018 seeking notification of term neonates requiring specialist input fo...

Introduction: Virilization and hirsutism are clinical findings of androjen excess in females mostly due to polycystic ovary syndrome, although androgenic drugs, nonclassic congenital adrenal hyperplasia and androgen secreting adrenal/ovarian lesions are also implicated. 46, XX ovotesticular disorder of sex development (DSD) is the rarest form of DSD with an incidence of less than 1 in 20000.Case report: A 15-year-old ado...

Germ cell tumors (GCTs) comprise a heterogeneous group of neoplasms. The WHO classification 2016 recognizes three types of testicular GCTs, including the GCNIS-related (Germ Cell Neoplasia In Situ) GCTs, being the malignant seminomas and nonseminomas. They originate from a totipotent embryonic germ cell. GCNIS, seminoma and embryonal carcinoma, are characterized by the pluripotency marker OCT3/4 (POU5F1). Seminomas (and GCNIS) are positive for SOX17 and embryonal carcinomas fo...