ESPE Abstracts

Introduction: Familial hypomagnesemia with secondary hypocalcemia is a rare autosomal recessive disease characterized by very low serum magnesium levels. It is caused by mutations in the gene encoding the transient receptor potential melastatin 6 (TRPM6). It typically occurs in the first months of life with symptoms of increased neuromuscular excitability such as convulsions, muscle spasms and tetany. Prolonged untreated hypomagnesemia may lead to developmenta...

Introduction: Prohormone convertases are a family of proteins that mediate the processing and activation of peptide hormones and neuropeptide precursors. Homozygous mutations of the PCSK1 gene result in prohormone convertase 1 deficiency that is characterized by diarrhea, hypoglycemia, multiple pituitary hormone deficiency beginning from neonatal period and obesity beginning after infancy.Case: A 35-day-old boy was referred to our hospit...

Central precocious puberty (CPP) is one of the most common pediatric endocrine diseases with an ever increasing incidence. CPP is associated with the loss of final adult height, early menarche, psychological problems and an increased risk of developing diseases in later adulthood such as female reproductive system tumors. The gonadotropin-releasing hormone stimulation test (GnRHST) is the gold standard for the diagnosis of CPP. However, the test is costly and time consuming to...

Purpose: Our study aimed to examine the effects of blue light exposure on prepubertal male rats’ puberty and testis tissue.Methods: Eighteen 21-day-old male Sprague Dawley rats were divided into three groups consisting of six rats in each group: Control Group (CG), Blue Light-6 hours (BL-6), and Blue Light-12 hours (BL-12). CG rats were maintained with 12/12-hour light-dark cycles. The rats of BL-6 and BL-12 were e...

Background: X-linked adrenal hypoplasia congenita (AHC) is a rare disorder characterized by primary adrenal insufficiency (PAI) and hypogonadotropic hypogonadism (HH), with limited clinical and genetic characterization.Methods: The clinical, biochemical, genetic, therapeutic, and follow-up data of 42 patients diagnosed with X-linked AHC were retrospectively analysed.Results: Hyperp...

Keywords: diabetes, MODY, atypicalIntroduction: Type 1 Diabetes (T1D) is the most common cause of diabetes in childhood, but Type 2 Diabetes (T2D) and monogenic diabetes has attracted increasing attention recently. Cases with atypical diabetes may be challenging for diagnosis, treatment and follow-up management. The purpose of this study was to present the characteristics of atypical diabetes cases from a tertiary referr...

Introduction: Prader-Willi Syndrome (PWS) is characterized by severe neonatal hypotonia and feeding difficulty with subsequent hyperphagia, hypogonadism, and short stature. PWS has a prevalence of 1 in 10,000-30,000. Obesity-related complications occur from early childhood onwards. Liraglutide is a glucagon-like peptide-1 (GLP-1) analog that reduces appetite and body weight and improves glycemic control. Scarcity of oxytocin-producing neurons in the hypothalam...

Background: The gold standard for CPP diagnosis is gonadotropin releasing hormone stimulation test (GnRHST). However, this test is expensive, invasive and inconvenient for screening. Some recent studies have demonstrated that the FMV urinary luteinizing hormone (U-LH) has a strong correlation with LH peak value and serum basal LH, and a high consistency with Tanner staging results, but due to the lack of large-sample, multicenter clinical research data, a form...

Introduction: The impact of increased exposure to blue light (BL) from infancy over the past decade on growth and epiphyseal plate maturation is not well understood. This study aims to experimentally investigate the effects of BL exposure and duration during the prepubertal period on the epiphyseal plate.Materials and Methods: Eighteen female and eighteen male Sprague Dawley rats, aged 21-days postnatal, were divided int...

Background: Clinical use of serum gonadotropins (Gn) test for diagnosis of pubertal disorders is always limited by invasive sampling, requirement of hospital visit, high expense and the feature of pulsatile secretion of Gn. As an alternative, evaluating first morning voided (FMV) urinary Gn (U-Gn) may facilitate non-invasive pubertal assessment.Objective: In this study, we will explore whether FMV U-Gn can predict the ac...