ESPE Abstracts

Introduction: Estrogens play an essential role in reproduction and their peripheral action is mediated via nuclear alfa and beta receptors (ER) as well as membrane receptors. To date, only 3 females and 2 males from 3 families with a loss of function of ERa have been reported. The phenotype in these families was strongly suggestive of an estrogen resistance with an absence of a complete puberty, a delay in epiphyseal maturation with high estradiol levels and e...

Disorders of sex development (DSD) have defined as congenital conditions in which the development of chromosomal, gonadal, or anatomical sex is atypical. Wilms tumor 1(WT1) gene mutations have been described in 46,XY patients with ambiguous genitalia or complete gonadal dysgenesis with or without Wilms tumor, nephropathy, gonadoblastoma and other defects e.g. cryptorchidism, hypospadias. Sex chromosome mosaicism is a major cause of DSD with a wide phenotypic variability. The p...

Background and Aim: Vitamin D plays a crucial role in skeletal and extra-skeletal physiology. It is essential for growth, development and health. It works as a paracrine and autocrine signaling molecule that affects nearly all systems in the body. Vitamin D deficiency (VDD) is prevalent in many countries in all age groups, and may be overlooked due to the variable clinical presentations according to age. This study was conducted to assess vitamin D status amon...

Ovotesticular disorder of sex development (OT-DSD) is a rare disorder of sexual differentiation characterized by the presence of both testicular and ovarian tissues in the gonads of the same individual. Patients usually present at birth with ambiguous genitalia, and the majority showed a 46,XX karyotype, with absence of the SRY sequence. In this study we reported on nine patients with OT-DSD, who were referred to the Human Genetics and endocrinology Clinics, division ...

Background: Sex chromosome DSD constitute an important category in the definition of DSD.Objective and hypotheses: The study included 379 patients comprising a wide spectrum of presenting features, associated with different arrays of chromosomal abnormalities aiming at. Studying the prevalence of Sex chromosomal abnormalities among DSD patients.Method: Patients were subjected to detailed clinical examination, pubertal staging, cyto...

Disorders of sex development (DSDs)represent a diverse group of clinical conditions which have a very wide phenotypic spectrum associated with a complicated molecular background.Such conditions are considered among the most common birth defects andare frequently associated with congenital abnormalities.Herein we present 62 patients with DSD associated with somatic anomalies. Patients were selected from clinical genetics dept., NRC. They underwent complet...

Background: Ovotesticular disorder of sex development (OT- DSD) is a very rare disorder characterized by the presence of both ovarian and testicular tissue in the same individual. It has an approximate incidence of less than 1/20 000.The patients usually present with ambiguous genitalia and the majority show a 46,XX karyotype, with absence of the SRY sequence.Objective and hypotheses: The study reports the cytogenetic variability and gonadal histological...

Background: Neonatal diabetes mellitus (NDM) is a monogenic form of diabetes that occurs in the first 6 months of life. Infants with NDM do not produce enough insulin, leading to hyperglycaemia. An identified and potentially treatable form of monogenic diabetes is the neonatal diabetes caused by activating mutations of the KCNJ11 gene, which codes for the Kir6.2 subunit of the beta cell of the ATP sensitive potassium channel (KATP). The identification of KCNJ11 mutation has im...