ESPE Abstracts

Pseudohypoparathyroidism (PHP) is a disorder of hormone resistance characterized by end-organ resistance to the actions of parathyroid hormone (PTH). The resistance primarily occurs in the renal proximal tubule, thus leading to hypocalcemia, hyperphosphatemia, and elevated serum PTH. Indicating the resistance in this tissue, patients with PHP show blunted phosphate excretion in response to exogenously administered PTH. In PHP type I, the patients additionally demonstrate blunt...

Endochondral bone formation regulates bone growth both during embryonic development and after birth. Several different autocrine/paracrine or hormonal mechanisms govern the regulation of endochondral bone formation. Among those is the pathway involving stimulatory G protein, which primarily mediates the actions of parathyroid hormone-related peptide (PTHrP) in the growth plate. PTHrP is synthesized in the perichondrial cells and chondrocytes at the end of bones. In the growing...

Background/Aim: Sex hormones drive organizational and activational changes in craniofacial structures and various regions of the brain and establish a sexual dimorphism in the re-shaping of the brain and related structures during puberty. Although the evolutionary approach, which accepts the brain and related structures as secondary sex characteristics since they are target organs for sexual selection, increases awareness of the role of sex hormones in sex-spe...

Background/Objective: Energy balance is preserved through the exchange between body weight and adipose tissue across the multi-faceted complex network that is composed of the sensorial, metabolic, and neuroendocrine circuits. Olfactory control of the process is maintained through the central structures that include the hypothalamic-pituitary axis, together with the interplay between the olfactory bulbus (OB) and adipose tissue. Although the interaction of the ...

Context: Thyroid growth and insulin like growth factor-1 (IGF-1) change depending on pubertal status and body mass index (BMI). The previous studies have reported some inconsistent results on association between thyroid volume (TV) and IGF-1 in terms of puberty and obesity.Objective: The aim of present study is to investigate pubertal effect of on TV and IGF-1 in morbid obese children.Design: The study population consisted of 250 c...

Introduction: Cystinosis is an inherited (autosomal recessive) lysosomal storage disorder characterized by accumulation of cystine crystals in kidney, liver, eyes and brain. Patients can present to pediatric endocrinology clinics with growth retardation and vitamin D resistant rickets particularly in nephropathic infantile form. Here, we aimed to present genetic and clinical spectrum of ten patients who have been followed with the diagnosis of cystinosis, a rare cause of hypop...

Background: Clinically, hyperinsulinemic hypoglycemia (HH) can cause apnea, growth retardation and learning disorders. Early diagnosis and meticulous follow-up are of importance to prevent undesired neurological outcomes. Congenital hyperinsulinism results from eight distinct gene defects. These genes include ABCC8, KCNJ11, GLUD1, GCK, HADH, SLC16A1, HNF4A, and UCP2. The most common causes are autosomal recessive mutations of ABCC8 and KCNJ11 genes (5).M...

Introduction: Hypergonadotropic hypogonadism is mainly characterised by streak or dysgenetic gonads. It is primer gonadal insufficiency which occurs as a result of chromosome abnormalities, gonad developmental and steroid synthesis defects. However, Y microdeletions associated hypergonadotropic hypogonadism due to disorder of sexual development has been reported, there are no many studies. Moreover, it is not known enough to contribution for development of sexual ambiquity. Ai...

Background/Aim: Although there are many well-known components that affect the growth response to recombinate growth hormone (rGH), its effect on total height gain is still not fully predictable. Current knowledge on the relationship between growth response to rGH and its immunogenicity is limited. The aim of the study was to reveal its relationship with the antibody formation against rGH and growth-promoting effect.Materials and Methods:...

Background/Aim: Although there are many well-known components that affect the growth response to recombinant growth hormone (rGH), its effect on total height gain is still not fully predictable. A limited number of studies have been reported revealing up-to-date data on the relationship between immunogenicity and growth-promoting effects of rGH. The study aimed to examine the antibody formation against rGH and its consequences on growth-promoting effect in chi...