hrp0094p1-49 | Sex Endocrinology and Gonads A | ESPE2021

Biallelic PPP2R3C mutations are associated with partial and complete gonadal dysgenesis in 46,XY and 46,XX individuals

Cicek Dilek , Warr Nick , Yesil Gozde , Eker Hatice Kocak , Bas Firdevs , Poyrazoglu Sukran , Darendeliler Feyza , Direk Gul , Hatipoglu Nihal , Eltan Mehmet , Tosun Busra Gurpinar , Kaygusuz Sare Betul , Menevse Tuba Seven , Turan Serap , Bereket Abdullah , Greenfield Andy , Guran Tulay ,

Context: PPP2R3C encodes the B”gamma regulatory subunit of the protein phosphatase 2A (PP2A), which is a serine/threonine phosphatase involved in the phospho-regulation processes of mammalian cells. We have recently reported homozygous and heterozygous mutations in PPP2R3C in patients with syndromic 46,XY complete gonadal dysgenesis (MEGD syndrome) and impaired spermatogenesis, respectively. In this study, we have further investigated th...

hrp0094p2-14 | Adrenals and HPA Axis | ESPE2021

Clinical and hormonal evolution of aldosterone synthase deficiency: Is complete remission possible?

Gurpinar Tosun Busra , Demirkol Yasemin Kendir , Menevse Tuba Seven , Kaygusuz Sare Betul , Ozbek Mehmet Nuri , Altincik Selda Ayca , Mammadova Jammala , Cayir Atilla , Doger Esra , Bayramoglu Elvan , Nalbantoglu Ozlem , Mutlu Gul Yesiltepe , Aghayev AghaRza , Turan Serap , Bereket Abdullah , Guran Tulay ,

Background: Aldosterone synthase deficiency (ASD) caused by mutations in the CYP11B2 gene is characterized by isolated mineralocorticoid deficiency. Data is scarce regarding clinical and biochemical outcomes of the disease in the follow-up.Objective: Assessment of the growth and steroid profiles of patients with ASD at the time of diagnosis and after termination of treatment.Design an...

hrp0094p2-196 | Fat, metabolism and obesity | ESPE2021

Machine Learning Quest for Predictive Markers of Lifestyle Modification Outcomes in Pediatric Obesity Treatment

Gawlik Aneta , Shmoish Michael , Bereket Abdullah , Wasniewska Malgorzata , Antosz Aleksandra , Kırkgoz Tarık , Turan Serap , Guran Tulay , Aversa Tommaso , Corica Domenico , Wudy Stefan A. , Hartmann Michaela F. , Gruszczynska Katarzyna , Hochberg Ze’ev ,

Context: The traditional approach to childhood obesity management is lifestyle modification/LSM. Nevertheless, the response rate is variable and difficult to predict.Aim: A systematic search for markers to predict outcomes of simple LSM in pediatric obesity management.Patients/Methods: Out of 240 children with obesity (BMI>97%), recruited to a prospective ‘multi-OMICS’ study granted b...

hrp0094p2-227 | Fat, metabolism and obesity | ESPE2021

Global survey study of awareness, care and treatment of adolescents living with obesity, their caregivers and healthcare professionals: ACTION Teens

Halford Jason C.G. , Baur Louise , Bereket Abdullah , Bin-Abbas Bassam , Chen Walter , Fernandez-Aranda Fernando , Garibay-Nieto Nayely , Pedro Lopez Siguero Juan , Maffeis Claudio , Mooney Vicki , Karenina Osorto Cynthia , Reynoso Ricardo , Rhie Young-Jun , Toro-Ramos Martin ,

Background: Obesity rates in children and adolescents have increased dramatically across the globe, and the lifelong impact of obesity is more severe when onset begins at ≤20 years of age. However, the experiences, challenges and needs of adolescents living with obesity (ALwO), their caregivers, and the healthcare providers (HCPs) who treat them are poorly understood. ACTION Teens, the first study of its kind, aims to improve the lives of ALwO by generat...

hrp0097p1-20 | Bone, Growth Plate and Mineral Metabolism | ESPE2023

Non-Osteogenesis Imperfecta Primary Osteoporosis in Children: Clinical and Genetic Features

Gurpinar Tosun Busra , Betul Kaygusuz Sare , Alavanda Ceren , Kahveci Ahmet , Kurt Ilknur , Kelestemur Elif , Yavas Abali Zehra , Helvacioglu Didem , Arman Ahmet , Guran Tulay , Bereket Abdullah , Ata Pınar , Turan Serap

Keywords: children, primary osteoporosis, next-generation sequencingBackground: Primary osteoporosis (POP) is a rare bone fragility disorder of childhood and is mainly related to osteogenesis imperfecta (OI). However, patients without clinical OI features with recurrent long bone and/or vertebral fractures who comply with the osteoporosis criteria are considered to have non-OI POP. Diagnosis and classification of non-OI ...

hrp0097p1-34 | Diabetes and Insulin | ESPE2023

Evaluation of Mitochondrial Bioenergetic Function in Mitochondrial and Type 1 Diabetes

Gurpinar Tosun Busra , Francisco Annelise , D. C. Navarro Claudia , Seven Menevse Tuba , Polat Hamza , Ozturk Hismi Burcu , Kahveci Ahmet , Turan Serap , Haliloglu Belma , Mine Yilmaz Ayse , Karademir Yilmaz Betul , Bereket Abdullah , F. Castilho Roger , Guran Tulay

Background and hypothesis: Mitochondrial disorders are multisystemic conditions associated with sensorineural hearing loss, encephalomyopathy, lactic acidosis, and non-autoimmune diabetes. The majority of molecular etiologies involve mutations in the genes encoding the oxidative phosphorylation system's components. Superoxide generation is significantly increased and causes oxidative damage in the affected tissues in these disorders. The establishment of ...

hrp0097p1-383 | Thyroid | ESPE2023

Clinical and molecular characteristics of 147 patients with primary congenital hypothyroidism: A single-center experience

Yavaş Abalı Zehra , Alavanda Ceren , Eltan Mehmet , Arslan Ateş Esra , Helvacioglu Didem , Gurpinar Tosun Busra , Kahveci Ahmet , Kurt İlknur , Keleştemur Elif , Guran Tulay , Bereket Abdullah , Turan Serap

Background: Next-generation sequencing (NGS) technologies have improved our knowledge about the genetic basis of congenital hypothyroidism (CH). The objective of our study was to evaluate the molecular genetic etiology in our primary CH cohort by using the NGS-based panel.Subjects and Methods: The clinical and genetic characteristics of 147 patients (61 female) from 129 unrelated families were evaluated. The patients wer...

hrp0092p3-189 | Multisystem Endocrine Disorders | ESPE2019

Bardet-Biedl Syndrome: Not Only what but also how Matters?

Boutalbi Narjess , Selim Nihad , Nait Abdallah Mohamed Said , Bouchair Nadira

Bardet-Biedl syndrome (BBS) is a multiorgan genetic disease which is a part of ciliopathies. The HAS (Haute Autorité de santé) published in March 2019 a new National Diagnostic and Care Protocol for Bardet Biedl syndrome. However, in practice, we face the difficulties of screening and multidisciplinary care of different complications.We report our experience with siblings composed of an eight-year-old boy and an 18-month-old girl suffering from...

hrp0082p2-d3-613 | Turner Syndrome | ESPE2014

Nationwide Study of Turner Syndrome During Childhood in Turkey: Evaluation of Associated Problems

Yesilkaya Ediz , Darendeliler Feyza , Bereket Abdullah , Bas Firdevs , Poyrazoglu Sukran , Aydin Banu Kucukemre , Darcan Sukran , Dundar Bumin , Buyukinan Muammer , Kara Cengiz , Sari Erkan , Adal Erdal , Akinci Aysehan , Atabek Mehmet Emre , Demirel Fatma , Celik Nurullah , Ozkan Behzat , Ozhan Bayram , Cinaz Peyami , Pediatric Endocrinology Turner Study Group

Background: Turner syndrome is one of the most common chromosomal disorders and is seen in 1:2500 female live births. The disease manifests with various clinical features and can be classified according to karyotype as monosomy, mosaicism, numeric, and structural abnormalities.Objective and hypotheses: Patients with Turner syndrome have complicated with various manifestations congenital or acquired. In this study we aimed to emphasise the importance of a...

hrp0084p1-112 | Puberty | ESPE2015

Aetiological Spectrum and Clinical Characteristics of 129 Children with Gonadotropin Independent Precocious Puberty: A Nationwide Cohort Study

Atay Zeynep , Yesilkaya Ediz , Erdeve Senay Savas , Akin Leyla , Eren Erdal , Doger Esra , Aycan Zehra , Abali Zehra Yavas , Akinci Aysehan , Siklar Zeynep , Ozen Samim , Kara Cengiz , Tayfun Meltem , Tutunculer Filiz , Karabulut Gulcan Seymen , Karaguzel Gulay , Saglam Halil , Bideci Aysun , Kurtoglu Selim , Bereket Abdullah , Turan Serap , Sari Erkan , Cetinkaya Semra , Guran Tulay

Background: Gonadotropin independent precocious puberty (GIPP) is caused by a heterogenous group of disorders. With the exception of congenital adrenal hyperplasia (CAH), disorders causing GIPP are uncommon, and there are no studies evaluating the etiologic distribution of GIPP in a large cohort.Objective and hypotheses: To find out the relative frequencies of each etiological group in patients with non-CAH GIPP and also to evaluate the clinical and labo...