ISSN 1662-4009 (online)

ey0020.14-8 | Section | ESPEYB20

14.8. Child health, developmental plasticity, and epigenetic programming

Z Hochberg , R Feil , M Constancia , M Fraga , C Junien , JC Carel , P Boileau , Y Le Bouc , CL Deal , K Lillycrop , R Scharfmann , A Sheppard , M Skinner , M Szyf , RA Waterland , DJ Waxman , E Whitelaw , K Ong , K Albertsson-Wikland

In Brief: This manuscript was prepared from presentations given at the ESPE New Inroads for Child Health (NICHe) conference held in May 2009 in Marstrand, Sweden. It reviewed the concept of plasticity in developmental programming and evidence for the role of epigenetic mechanisms. It became widely accepted as a leading reference on this topic with currently >750 citations in Google Scholar.Comment: Ze’ev Hochberg had a brilliant, creative mind. ...

ey0018.10-12 | (1) | ESPEYB18

10.12. Cognitive function following diabetic ketoacidosis in children with new-onset or previously diagnosed type 1 diabetes

S Ghetti , N Kuppermann , A Rewers , SR Myers , JE Schunk , MJ Stoner , A Garro , KS Quayle , KM Brown , JL Trainor , L Tzimenatos , AD De Piero , JK McManemy , LE Nigrovic , MY Kwok , CS 3rd Perry , CS Olsen , TC Casper , NS; Pediatric emergency care applied research network (PECARN) DKA FLUID study group Glaser

Diabetes Care. 2020;43(11):2768–2775. doi: 10.2337/dc20-0187.In this observational analysis of a patient cohort, a single diabetic ketoacidosis (DKA) episode was associated with lower cognition and memory both in children with newly diagnosed T1D and in children with known T1D.Children (N=758) were 6-18 years old, taking part in a multisite randomized trial e...

ey0019.1-7 | Genetics | ESPEYB19

1.7. Pathogenic variants in RNPC3 are associated with hypopituitarism and primary ovarian insufficiency

L Akin , K Rizzoti , LC Gregory , B Corredor , Quesne Stabej P Le , H Williams , F Buonocore , S Mouilleron , V Capra , SM McGlacken-Byrne , GA Martos-Moreno , DN Azmanov , M Kendirci , S Kurtoglu , JP Suntharalingham , C Galichet , S Gustincich , V Tasic , JC Achermann , A Accogli , A Filipovska , A Tuilpakov , M Maghnie , Z Gucev , ZB Gonen , LA Perez-Jurado , I Robinson , R Lovell-Badge , J Argente , MT Dattani

Genet Med. 2022 Feb;24(2):384-397. doi: 10.1016/j.gim.2021.09.019. PMID: 34906446.Brief Summary: This study extends the phenotypes related to pathogenic biallelic RNPC3 variants to cover primary ovarian insufficiency (POI) in combination with the previously associated growth hormone deficiency (GHD).The authors report 15 patients from 9 pedigrees with severe...

ey0019.5-3 | Novel treatments for rare skeletal disorders | ESPEYB19

5.3. Safe and persistent growth-promoting effects of vosoritide in children with achondroplasia: 2-year results from an open-label, phase 3 extension study

R Savarirayan , L Tofts , M Irving , WR Wilcox , CA Bacino , J Hoover-Fong , RU Font , P Harmatz , F Rutsch , MB Bober , LE Polgreen , I Ginebreda , K Mohnike , J Charrow , D Hoernschemeyer , K Ozono , Y Alanay , P Arundel , Y Kotani , N Yasui , KK White , HM Saal , A Leiva-Gea , F Luna-Gonzalez , H Mochizuki , D Basel , DM Porco , K Jayaram , E Fisheleva , A Huntsman-Labed , JRS Day

Genet Med. 2021 Dec;23(12):2443-2447.Abstract: https://pubmed-ncbi-nlm-nih-gov.proxy.kib.ki.se/34341520/In brief: In achondroplasia, longitudinal bone growth is inhibited resulting in severe, disproportionate short stature. In this open-label extension study of participants from the phase 3 study, daily subcutaneous injection of vosoritide during 104 weeks resulted in increa...

ey0017.2-9 | Neonatal Diabetes Mellitus | ESPEYB17

2.9. Long-term metabolic and socio educational outcomes of transient neonatal diabetes: A longitudinal and cross-sectional study

F Le Bourgeois , Baz B Beltrand J , Riveline JP Julla JB , A Simon , I Flechtner , M Ait Djoudi , AL Fauret-Amsellem , Y Vial , R Scharfmann , J Sommet , P Boudou , H Cave , M Polak , JF Gautier , KTNDM Long-Term Follow-Up Study Group Busiah

To read the full abstract: Diabetes Care. 2020 Apr 9. pii: dc190324. doi: 10.2337/dc19-0324. [Epub ahead of print]. PMID: 32273272TransientNeonatalDiabetes (TNDM) develops in the first six months of life, and then remits only to relapse again during adolescence and adulthood. The three main genetic causes of TNDM are: 1) 6q24 abnormalities, 2) activating mutations in genes encoding the ATP-sensi...

ey0017.3-11 | Clinical trials for thyroid disease | ESPEYB17

3.11. Thyroid hormone and folinic acid in young children with Down syndrome: the phase 3 ACTHYF trial

C Mircher , S Sacco , C Bouis , J Gallard , A Pichot , E Le Galloudec , Cieuta , I Marey , O Greiner-Mahler , N Dorison , A Gambarini , S Stora , S Durand , M Polak , A Baruchel , E Schlumberger , J Dewailly , A Azar-Kolakez , RM Gueant-Rodriguez , JL Gueant , D Borderie , D Bonnefont-Rousselot , E Blondiaux , A Ravel , FG Sturtz

To read the full abstract: Genet Med. 2020;22:44–52.This single center, randomized, double-blind, placebo-controlled phase 3 study investigated the effects of levothyroxine, folic acid, or both in combination over 12 months on global development in 143 infants with Down syndrome (DS). Over the last decades, treatment of DS associated co-morbidities has improved their life-expectancy. However, a therapy to improve mental development is still...

ey0017.4-12 | New paradigms | ESPEYB17

4.12. IGSF1 Deficiency results in human and murine somatotrope neurosecretory hyperfunction

SD Joustra , F Roelfsema , ASP van Trotsenburg , HJ Schneider , RP Kosilek , HM Kroon , JG Logan , NC Butterfield , X Zhou , C Toufaily , B Bak , MO Turgeon , E Brule , FJ Steyn , M Gurnell , O Koulouri , P Le Tissier , P Fontanaud , JHD Bassett , GR Williams , W Oostdijk , JM Wit , AM Pereira , NR Biermasz , DJ Bernard , N Schoenmakers

To read the full abstract: J Clin Endocrinol Metab, March 2020, 105(3):e70–e84A cohort of 21 adult males (aged 19 to 89 years) harboring hemizygous pathogenic IGSF1 gene mutations underwent anthropometry, endocrine testing, testis ultrasonography, and body composition assessment to define the pathophysiological role of IGSF1 in influencing GH secretion. In addition, two lines of Igsf1 -deficient male mice were use...

ey0017.5-1 | Novel Treatments for Rare Skeletal Disorders | ESPEYB17

5.1. C-Type natriuretic peptide analogue therapy in children with achondroplasia

R Savarirayan , M Irving , CA Bacino , B Bostwick , J Charrow , V Cormier-Daire , KH Le Quan Sang , P Dickson , P Harmatz , J Phillips , N Owen , A Cherukuri , K Jayaram , GS Jeha , K Larimore , ML Chan , A Huntsman Labed , J Day , J Hoover-Fong

To read the full abstract: N Engl J Med. 2019 Jul 4;381(1):25–35.In brief: Inhibition of endochondral ossification in Achondroplasia leads to disproportionate short stature. In this phase 2 study, daily subcutaneous injection of vosoritide, a biologic analogue of C-type natriuretic peptide and a potent stimulator of endochondral ossification, results in sustained increase in t...

ey0017.6-8 | Differences/Disorders of Sex Development: Genetics | ESPEYB17

6.8. Pathogenic variants in the DEAH-box RNA helicase DHX37 are a frequent cause of 46,XY gonadal dysgenesis and 46,XY testicular regression syndrome

K McElreavey , A Jorgensen , C Eozenou , T Merel , J Bignon-Topalovic , DS Tan , D Houzelstein , F Buonocore , N Warr , RGG Kay , M Peycelon , JP Siffroi , I Mazen , JC Achermann , Y Shcherbak , J Leger , A Sallai , JC Carel , L Martinerie , R Le Ru , GS Conway , B Mignot , L Van Maldergem , R Bertalan , E Globa , R Brauner , R Jauch , S Nef , A Greenfield , A Bashamboo

To read the full abstract: Genet Med. 2020, Jan; 22: 150-9. doi: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6944638/pdf/41436_2019_Article_606.pdfMassive parallel sequencing of 145 46,XY DSD patients revealed 13 individuals with heterozygous missense pathogenic variants in the RNA helicase DHX37, explaining 11% of cases of 46,XY gonadal d...

ey0017.6-9 | Differences/Disorders of Sex Development: Genetics | ESPEYB17

6.9. Loss-of-function variants in PPP1R12A: From isolated sex reversal to holoprosencephaly spectrum and urogenital malformations

JJ Hughes , E Alkhunaizi , P Kruszka , LC Pyle , DK Grange , SI Berger , KK Payne , D Masser-Frye , T Hu , MR Christie , NJ Clegg , JL Everson , AF Martinez , LE Walsh , E Bedoukian , MC Jones , CJ Harris , KM Riedhammer , D Choukair , PY Fechner , MM Rutter , SB Hufnagel , M Roifman , GB Kletter , E Delot , E Vilain , RJ Lipinski , CM Vezina , M Muenke , D Chitayat

To read the full abstract: Am J Hum Genet. 2020, Jan 2; 106: 121-8. doi: https://www.cell.com/ajhg/pdf/S0002-9297(19)30468-9.pdfProtein phosphatase 1, regulatory subunit 12a (PPP1R12A) is an important developmental factor involved in cell migration, adhesion, and morphogenesis. It is involved in the formation of myosin phosphatase and is regulated by phosphorylation.<p cla...