hrp0097rfc11.4 | GH and IGFs | ESPE2023

Functional analysis of a novel mutation of IGF1R gene in two twins with growth failure. An example of genotype-phenotype heterogeneity.

Deodati Annalisa , Fausti Francesca , Pampanini Valentina , Cianfarani Stefano

Background: IGF1 receptor (IGF1R) mutations are associated with pre- and post-natal growth retardation. We describe two monozygotic twins, one of them born small for gestational age (SGA), referred at the age 4 years and 2 months for short stature.Case presentation: The twins were born from non-consanguineous parents at 37-weeks gestational age by caesarean delivery. At birth: patient 1 had weight 2.076 kg (−2.4 SD...

hrp0097p1-160 | Pituitary, Neuroendocrinology and Puberty | ESPE2023

COX deficiency: undescribed endocrinological features in three patients with SCO1 mutation

Barbato Alessandro , Gori Giulia , Sacchini Michele , Pochiero Francesca , Stagi Stefano

Background: Cytochrome C oxidase (COX) is the fourth component of the respiratory chain. This protein is located within the internal membrane of mitochondria. COX deficiency is an inherited mitochondrial disease associated with considerable genetic and clinical variability(1). In fact, four clinical subtypes of this condition have been identified, each one with several phenotypic and genetic variants. Mitochondrial complex IV deficiency nuclear type 4 is a rar...

hrp0089p1-p183 | Growth & Syndromes P1 | ESPE2018

Carriers of IGF1-receptor Mutations As A Subgroup of SGA Patients: A Comprehensive Retrospective Comparison of Response to rhGH Treatment and Health Profile

Gopel Eric , Klammt Jurgen , Rockstroh Denise , Pfaffle Heike , Schlicke Marina , Bechtold-Dalla Pozza Susanne , Gannage-Yared Marie-Helene , Gucev Zoran , Mohn Angelika , Harmel Eva-Maria , Volkmann Julia , Bogatsch Holger , Beger Christoph , Gausche Ruth , Weihrauch-Bluher Susann , Pfaffle Roland

Objective: IGF-1 receptor mutations (IGF1RM) are a rare abnormality; however, affected patients exhibit severe postnatal growth retardations without catch-up growth. Although several cases of IGF1RM have been described, a comprehensive retrospective analysis of the potential benefit of rhGH treatment is still missing. The aim of this study was therefore to investigate baseline auxology, response to rhGH therapy and potential metabolic effects in patients with IGF1RM in compari...

hrp0092hdi1.3 | How Do I Session 1 | ESPE2019

Management of Insulin Resistance in Children

Chiarelli Francesco

Nowadays, after decades of continuously rising rates of paediatric obesity across the world, insulin resistance (IR) in children and adolescents has become a prominent health issue.Obesity is recognised to be the most prevalent pathological cause of IR. However, corticosteroids or growth hormone therapy, genetic diseases and physiological conditions, such as puberty and pregnancy, may affect insulin sensitivity (IS) lifelong.Early ...

hrp0095p1-51 | Diabetes and Insulin | ESPE2022

Health-related quality of life and metabolic control in children and young patients with type 1 diabetes and in their parents before and after the COVID-19 lockdown.

Predieri Barbara , Bruzzi Patrizia , Candia Francesco , Caccamo Paola , Sandoni Marcello , Stefanelli Francesca , Pugliese Marisa , Lucaccioni Laura , F. Madeo Simona , Iughetti Lorenzo

Introduction: Italy was the first EU country to be affected by COVID-19 outbreak. The sudden change in everyday life was challenging for children and young people (CYP) who rely heavily on peer connections for emotional and social support. Concerns for consequences in CYP with type 1 diabetes (T1D) rose.Objectives: To compare the diabetes-specific health-related quality of life (D-HRQOL) of CYP with T1D and their parents...

hrp0095p1-529 | Growth and Syndromes | ESPE2022

A case of Silver Russell Syndrome-like phenotype with abnormal methylation of the imprinted GNAS locus (20q13)

Festa Adalgisa , Luongo Caterina , Aiello Francesca , Santoro Claudia , Piluso Giulio , Torella Annalaura , Del Vecchio Blanco Francesca , Nigro Vincenzo , Miraglia del Giudice Emanuele , Grandone Anna

Background: Silver Russell Syndrome (SRS) is characterized by pre- and postnatal growth failure, relative macrocephaly at birth, prominent forehead, feeding difficulties and body asymmetry. The diagnosis is clinical, the genetic mechanisms involved are different, in 50% of cases loss of methylation (LOM) at the paternal H19/IGF2:IG-DMR (chr11p15.5), in 10% of cases maternal uniparental disomy of chromosome 7 (UPD(7)mat), cases of maternal uniparental ...

hrp0097p1-557 | Pituitary, Neuroendocrinology and Puberty | ESPE2023

Novel LHX4 rare variant in three patients affected by congenital hypopituitarism, presenting a further co-occurrent desease causing variants in GLI2 and IGF1R

Aiello Francesca , Luongo Caterina , Pascarella Filomena , Rosaria Licenziati Maria , Laura Torella Anna , Del Vecchio Blanco Francesca , miraglia del giudice emanuele , Nigro vincenzo , Santoro Claudia , grandone anna

Background: Congenital hypopituitarism (CH) genetics is highly heterogeneous. The massive use of NGS identified at least 21 desease causing genes. Not fully understood inheritance mechanism, incomplete penetrance and variable expressivity explain the complexity of phenotype-genotype correlations. To further complicate the scenario, the co-occurence of more than one desease-causing genes variants can geopardize the phenotype. Herein, we report the heterogeneous...

hrp0095p1-533 | Growth and Syndromes | ESPE2022

Central Precocious Puberty in McCune Albright Syndrome: a case report.

Righi Beatrice , Peluso Francesca , De Fanti Alessandro , Garavelli Livia , Elisabeth Street Maria , Sartori Chiara

Introduction: McCune Albright Syndrome (MAS) is a rare disorder caused by somatic activating mutations of the GNAS gene, characterized by monostotic/polyostotic fibrous dysplasia, café au lait skin pigmentation and hyperfunctioning endocrinopathies. We report a case of MAS presenting with mild phenotypic characteristics and central precocious puberty (CPP).Case: Indian female was referred to our clinic fo...

hrp0095p1-559 | Pituitary, Neuroendocrinology and Puberty | ESPE2022

Circulating MKRN3 levels in 5 CPP girls with MKRN3 gene mutation

Aiello Francesca , Palumbo Stefania , Cirillo Grazia , Luongo Caterina , Festa Adalgisa , Miraglia Del Giudice Emanuele , Grandone Anna

Background: MKNR3 is a paternally expressed gene whose loss-of-function mutations cause Central precocious puberty (CPP). The precise molecular disruption produced by MKRN3 mutations remains unclear albeit protein structure suggests MKRN3 could play a role in proteasome ubiquitination. Circulating MKRN3 levels has been negatively associated to LH peak, estradiol and kisspeptin in idiopathic CPP and healthy controls. However, no literature data is available for...

hrp0092rfc3.5 | Multi-system Endocrine Disorders | ESPE2019

Evaluation of Endothelial Function in Childhood Standard Risk Acute Lymphoblastic Leukemia Survivors: Role of Subclinical Markers and Identification of Preventable Factors

Bruzzi Patrizia , Bigi Elena , Felici Francesca , Righi Beatrice , Cano Carmen , Cellini Monica , Predieri Barbara , Iughetti Lorenzo

Background: Adult survivors from childhood malignancy are prone to accelerated atherogenesis and cardiovascular (CV) complications. In this population reliable tools are needed to detect preclinical onset of CV disease.Aim: To assess subclinical markers of inflammation and endothelial dysfunction in young survivors from acute lymphoblastic leukemia (ALL) treated with chemotherapy without cranial irradiation (AIEOP 2000 a...