hrp0092p2-55 | Bone, Growth Plate and Mineral Metabolism | ESPE2019

A Novel Missense COL10A1 Mutation Identified by Next Generation Sequencing in a Chinese Pedigree with Schmid Metaphyseal Chondrodysplasia

Chen Qiong , Wu Shengnan , Chen Yongxing , Wei Haiyan

We have examined a female child patient aged about 3 years and 8months old to confirm the diagnosis of Schmid metaphyseal chondrodysplasia (SMCD) at the Genetics out-patient department, Children's Hospital Affiliated to Zhengzhou University. The child was diagnosed with the abnormal phenotypic characteristics who showed short-limbed dwarfism, bowed legs, waddling gait and genu varum. Based on the child's family history, during the early stages, the child was misdiagnos...

hrp0092p2-91 | Diabetes and Insulin | ESPE2019

A Novel Variant of the WFS1 Gene with Dominant Inheritance Causing Wolfram-like Syndrome

Stanik Juraj , Skopkova Martina , Varga Lukas , Masindova Ivica , Jancova Emilia , Profant Milan , Gasperikova Daniela

Aims/hypothesis: The Wolfram syndrome, also known as the DIDMOAD syndrome (Diabetes Insipidus, early-onset Diabetes Mellitus, progressive Optic Atrophy, and Deafness), is mostly associated with recessive mutations in the WFS1 gene. However, dominant mutations in the WFS1 gene were described as causing less severe Wolfram-like syndrome, or isolated optic atrophy, or low-frequency sensorineural hearing loss.Method...

hrp0092p2-188 | Growth and Syndromes (to include Turner Syndrome) | ESPE2019

Clinical and Molecular Genetic Characterizations of Five Patients Harboring Mutations in the GNAS Gene: A Case Series and Literature Review

Li Xin , Chang Guoying , Wang Yirou , Xu Yufei , Li Guoqiang , Li Xin , Li Juan , Ding Yu , Chen Yao , Wang jian , Wang Xiumin

Objective: Inactivating mutations in the gene encoding the alpha-subunit of Gs (GNAS) gene, which consists of exons 1-13 and encodes the alpha-subunit of the stimulatory G protein (Gsa), are associated with several clinical syndromes, including pseudohypoparathyroidism (PHP), pseudopseudohypoparathyroidism (PPHP), and progressive osseous heteroplasia (POH).Method: We documented patient clinical characteristics a...

hrp0092p2-197 | Growth and Syndromes (to include Turner Syndrome) | ESPE2019

Extending the Phenotype and Genotype of Okur–Chung Neurodevelopmental Syndrome

Meng Zhe , Liang Liyang , Huang Siqi , Liu Zulin , Hou Lele , Zhang Lina

Background: okur-chung neurodevelopmental syndrome was confirmed to be associated with developmental disorders attributed to germline CSNK2A1 pathogenic missense variants. Only 26 cases and 22 kinds of genotype have been reported in the world so far. All reports highlighted the recognizable facial features of the syndrome as well as frequently occurring clinical features including neurodevelopmental delay, short stature, gastrointestinal, musculoskeletal and i...

hrp0092p2-263 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology | ESPE2019

Novel Genotype in Two Siblings with 5-Alpha-Reductase 2 Deficiency:Different Clinical Course Due to the Time of Diagnosis

Kocova Mirjana , Plaseska-Karanfilska Dijana , Noveski Predrag , Kuzmanovska Maja

Background: Steroid 5-Alpha-Reductase-2 deficiency(5-ARD) is a result of mutations in the SRD5A2 gene. It causes disorder of sexual differentiation(DSD) in 46XY individuals with a variable genital phenotype. We present two siblings with a female external genitalia at birth and bilateral inguinal testes, raised as females. These are the first molecularly sharacterized patients from the Republic of Macedonia with a different clinical course due to the time of th...

hrp0092p3-13 | Adrenals and HPA Axis | ESPE2019

Genotype and Phenotype, Growth Outcome in 33 Korean Patients with 21-Hydroxylase Deficiency

Yoon Ju Young , Choi Im Jeong , Kim Hyun-Ji , Cheon Chong Kun

Purpose: This study aimed to describe gene mutations and growth outcome in patients with 21-hydroxylase deficiencyMethods: Subjects were diagnosed as 21-hydroxylase deficiency by direct Sanger sequencing or multiple ligation-dependent probe amplification analysis and visited Pusan National University Children's Hospital from July 2008 to April 2019.We investigated the genotype, phenotype and growth profiles.<p cl...

hrp0092p3-295 | Late Breaking Abstracts | ESPE2019

A Novel Pathogenic Mutation of Vitamin-D-Dependent Rickets

Norberto Pin Jacopo , Cossettini Micol , Fabris Francesco , Martelossi Stefano

Background: Vitamin-D-dependent rickets 1A (VDDR-1A) is a extremely rare, autosomic recessive genetic form of rickets caused by a defect in vitamin D 1α-hydroxylase enzyme which leads to low levels of 1,25-(OH) vitamin D.Herein, we report two Moroccan sisters R.E. and N.E. (respectively 3 and 15 months old), born from consanguineous parents, who presented with psychomotor retardation and failure to thrive.<str...

hrp0089rfc4.3 | GH &amp; IGFs | ESPE2018

A Deletion Encompassing Exon 2 of the ALS Gene: Analysis of a Patient with ALS Deficiency and His Family

Poggi Helena , Arancibia Monica , Benavides Felipe , Lagos Carlos , Vecchiola Andrea , Dominguez-Menendez Gonzalo , Martinez-Aguayo Alejandro

The main role of the acid-labile subunit (ALS) is to stabilize the IGFBP3/IGF complexes. Pathogenic variants in the gene coding for ALS (IGFALS) results in IGF1 and IGFBP3 deficiency, short stature, delay puberty and insulin resistance. The aim of these study was to identify the genetic cause in a patient with suspected ALS deficiency. The proband is the third son of non-consanguineous parents, evaluated for the first time at 17.3 years due to short stature (−2....

hrp0089rfc5.5 | Thyroid | ESPE2018

Evidence for a Founder Effect in Multiple Endocrine Neoplasia 2

Fanis Pavlos , Skordis Nicos , Frangos Savvas , Christopoulos George , Spanou-Aristidou Elena , Andreou Elena , Manoli Panayiotis , Mavrommatis Michalis , Nicolaou Stella , Kleanthous Marina , Cariolou Marios A , Christophidou-Anastasiadou Violetta , Tanteles George A , Phylactou Leonidas A , Neocleous Vassos

Purpose: Multiple Endocrine Neoplasia type 2 (MEN2) affects patients with RET proto-oncogene mutations. This cohort study refer to patients who were diagnosed with familial medullary thyroid carcinoma (MTC) and underwent RET genetic testing in Cyprus between years 2002 and 2017.Methods and Patients: Forty patients underwent RET testing by Sanger sequencing of exons 10–11 and 13–16. Genotyping with STR genetic markers ...

hrp0089p2-p019 | Adrenals and HPA Axis P2 | ESPE2018

Two Cases of Apparent Mineralocorticoid Excess due to Novel Mutations in HSD11B2 Gene

Makretskaya Nina , Kostrova Irina , Tiulpakov Anatoly

Background: Human HSD11B2 metabolizes active cortisol into cortisone and protects the mineralocorticoid receptor from glucocorticoid occupancy. Loss of function mutations in HSD11B2 gene cause a rare autosomal recessive disorder, apparent mineralocorticoid excess, resulting in low-renin hypertension and hypokalemia.Objective: We present 2 children with apparent mineralocorticoid excess. Case 1, a boy presenting at 11 yea...