hrp0095fc2.4 | Bone, Growth Plate and Mineral Metabolism | ESPE2022

Patient-reported outcomes from a randomized open-label phase 3 trial comparing burosumab vs conventional therapy in children with X-linked hypophosphatemia: results from the 24-week treatment extension period

Padidela Raja , Whyte Michael P , Glorieux Francis H , Munns Craig F , Ward Leanne M , Nilsson Ola , Portale Anthony A , Simmons Jill H , Namba Noriyuki , Cheong Hae Il , Pitukcheewanont Pisit , Sochett Etienne , Högler Wolfgang , Muroya Koji , Tanaka Hiroyuki , Gottesman Gary S , Biggin Andrew , Perwad Farzana , Williams Angela , Nixon Annabel , Sun Wei , Chen Angel , Skrinar Alison , Imel Erik A

In a randomized open-label phase 3 trial in 62 children (1–12 years) with X-linked hypophosphatemia (XLH) (NCT 02915705), switching from conventional therapy (oral phosphate plus active vitamin D) to burosumab, a monoclonal antibody targeting fibroblast growth factor 23, significantly improved serum phosphate concentration, rickets, lower-extremity deformities, growth, mobility, and patient-reported outcomes (PROs) at 64 weeks. Children in Europe, USA, Canada, and Australia wh...

hrp0092ha2 | Partial CRISPR/Cas9 IL1R1 & IFNGR1 Knock-Down Improves ß-Cell Survival and Function Under Cytokine-Induced Inflammation | ESPE2019

Partial CRISPR/Cas9 IL1R1 & IFNGR1 Knock-Down Improves β-cell Survival And Function Under Cytokine-Induced Inflammation

Daems Caroline , Vanderroost Juliette , Sokal Etienne , Lysy Philippe

Type 1 diabetes (T1D) is a chronic disease characterized by the autoimmune destruction of pancreatic β cells. This destruction is mediated by lymphocytes T helper and cytotoxic, and by the action of the pro-inflammatory cytokines IL1β, IFNγ and TNFa inside the islets of Langerhans. We propose a new approach to alleviate islet inflammation by targeting pro-inflammatory cytokine receptors. Our hypothesis is that the downregulation of inflammatory pathways ma...

hrp0092t9 | Top 20 Poster | ESPE2019

Empagliflozin and GABA Improve β-Cell Mass and Glucose Tolerance in New-Onset Type 1 Diabetes

Daems Caroline , Welsch Sophie , Boughaleb Hasnae , Vanderroost Juliette , Robert Annie , Sokal Etienne , Lysy Philippe

Presently, the autoimmune character of T1D is challenged, but it is indisputable that inflammation plays a key role in its development. We hypothesized that glucotoxicity could contribute to β-cell mass destruction through maintenance of inflammation. Here, we aimed to evaluate, after diabetes onset, the potential of empagliflozin (EMPA) to protect β-cell mass against glucotoxicity, in monotherapy or in association with GABA, tested for its potential to increas...

hrp0084fc3.1 | Diabetes | ESPE2015

RNA-Based MAFA Over-Expression is Sufficient to Drive Human Pancreatic Duct-Derived Cells Toward a β-Cell-Like Phenotype

Corritore Elisa , Dugnani Erica , Pasquale Valentina , Piemonti Lorenzo , Vetere Amedeo , Bonner-Weir Susan , Sokal Etienne M , Lysy Philippe A

Background: Pancreatic epithelial cells represent an attractive cell source for replacement therapy of type 1 diabetes. Previously, we designed a protocol for expansion of human pancreatic duct-derived cells (HDDCs) and showed their β-cell engineering potential.Objective and hypotheses: In this study, we reprogrammed HDDCs into β-cell-like lineage by over-expressing mRNAs of key pancreatic transcription factors (TFs).Meth...

hrp0084p3-655 | Bone | ESPE2015

A Longitudinal, Prospective, Long-Term Registry of Patients with Hypophosphatasia

Linglart Agnes , Hogler Wolfgang , Langman Craig , Mornet Etienne , Ozono Keiichi , Rockman-Greenberg Cheryl , Seefried Lothar , Bedrosian Camille , Fujita Kenji P , Cole Alex , Kishnani Priya

Background: Hypophosphatasia (HPP) is a rare, inherited metabolic disease characterised by bone mineralisation defects and osteomalacia, and systemic manifestations, including seizures, respiratory insufficiency, muscle weakness, nephrocalcinosis, and pain. The biochemical hallmark of HPP is low serum alkaline phosphatase activity, resulting from loss-of-function mutations in the gene encoding tissue non-specific alkaline phosphatase. HPP presents a broad spectrum of disease s...

hrp0086fc12.4 | Neuroendocrinology | ESPE2016

Idiopathic Hypogonadotrophic Hypogonadism Caused by Inactivating Mutations in SRA1

Kotan Leman Damla , Cooper Charlton , Darcan Sukran , Carr Ian , Ozen Samim , Yan Yi , Hamedani Mohammad K. , Gurbuz Fatih , Mengen Eda , Turan Ihsan , Ulubay Ayca , Akkus Gamze , Yuksel Bilgin , Leygue Etienne , Topaloglu Kemal

Background: What initiates pubertal process in humans and other mammals has remained elusive.Objective and hypotheses: We hypothesize that gene(s), whose products trigger the GnRH pulse generator to restart ticking at the usual time of puberty, can be identified via autozygosity mapping together with whole exome sequencing in patients with idiopathic hypogonadotrophic hypogonadism (IHH).Method: We studied a cohort IHH cases. Functi...