ISSN 1662-4009 (online)

ey0021.13-9 | Endocrinology | ESPEYB21

13.9. 17α Hydroxylase/17,20 lyase deficiency: clinical features and genetic insights from a large Turkey cohort

Z Siklar , E Camtosun , S Bolu , M Yildiz , A Akinci , F Bas , İ Dundar , A Bestas , E Unal , P Kocaay , T Guran , G Buyukyilmaz , AK Ugurlu , BG Tosun , I Turan , E Kurnaz , B Yuksel , D Turkkahraman , A Cayir , G Celmeli , EN Gonc , BS Eklioğlu , S Cetinkaya , SK Yilmaz , ME Atabek , M Buyukinan , E Arslan , E Mengen , EDP Cakir , M Karaoglan , N Hatipoglu , Z Orbak , A Ucar , N Akyurek , ED Akbas , E Isik , SB Kaygusuz , ZK Sutcu , G Seymen , M Berberoglu

Brief Summary: This retrospective cohort study analyzed data from 97 cases of 17α hydroxylase/17,20 lyase deficiency identified in Turkey. It focused on diagnostic testing, laboratory characteristics, long-term outcomes and therapeutic management.This nationwide study focuses on 17α-Hydroxylase/17,20-Lyase deficiency (17OHD), a rare form of congenital adrenal hyperplasia (CAH) caused by mutations in the CYP17A1 gene. The research aims to evalua...

ey0018.2-11 | Neonatal diabetes mellitus | ESPEYB18

2.11. YIPF5 mutations cause neonatal diabetes and microcephaly through endoplasmic reticulum stress

E De Franco , M Lytrivi , H Ibrahim , H Montaser , MN Wakeling , F Fantuzzi , K Patel , C Demarez , Y Cai , M Igoillo-Esteve , C Cosentino , V Lithovius , H Vihinen , E Jokitalo , TW Laver , MB Johnson , T Sawatani , H Shakeri , N Pachera , B Haliloglu , MN Ozbek , E Unal , R Yıldırım , T Godbole , M Yildiz , B Aydin , A Bilheu , I Suzuki , SE Flanagan , P Vanderhaeghen , V Senee , C Julier , P Marchetti , DL Eizirik , S Ellard , J Saarimaki-Vire , T Otonkoski , M Cnop , AT Hattersley

J Clin Invest. 2020 Dec 1;130(12):6338–6353. doi: 10.1172/JCI141455. PMID: 33164986.This manuscript describes a novel disorder due to homozygous mutations in the YIPF5 gene which cause a complex syndrome of neonatal/early onset diabetes mellitus, epilepsy and microcephaly. The underlying mechanism of the diabetes involves the accumulation of proinsulin (unable to be transported to the Golgi...