ISSN 1662-4009 (online)

ey0015.10-8 | Continuous glucose monitoring, insulin pumps and artificial pancreas | ESPEYB15

10.8 Association of insulin pump therapy vs insulin injection therapy with severe hypoglycemia, ketoacidosis, and glycemic control among children, adolescents, and young adults with T1DM

B Karges , A Schwandt , B Heidtmann , O Kordonouri , E Binder , U Schierloh , C Boettcher , T Kapellen , J Rosenbauer , RW Holl

To read the full abstract: JAMA. 2017;318:1358-1366Here, the authors compared the metabolic control in young patients with T1DM with insulin pump therapies versus multiple injection treatment modalities using the data from 30 579 patients younger than 20 years of age of 446 centers in a prospective population-based cohort study. While it is very clear that pump therapy, compared with injection ...

ey0015.14-5 | Gut flora is shaped by the environment | ESPEYB15

14.5 Environment dominates over host genetics in shaping human gut microbiota

D Rothschild , O Weissbrod , E Barkan , A Kurilshikov , T Korem , D Zeevi , PI Costea , A Godneva , IN Kalka , N Bar

To read the full abstract: Nature 2018;555:210Up to now, it was thought that genetics would play a major role in shaping the gut flora. However, this study, in a cohort of 1,046 healthy Israeli individuals with a well-defined clinical phenotype, suggests that only 2-8% of human microbiome variability is explained by genetics, as compared to 92-98% explained by environmental influences. This...

ey0020.3-19 | Advances in Growth, Bone Biology, and Mineral Metabolism | ESPEYB20

3.19. The synovial microenvironment suppresses chondrocyte hypertrophy and promotes articular chondrocyte differentiation

M Chau , Z Dou , M Baroncelli , EB Landman , A Bendre , M Kanekiyo , A Gkourogianni , K Barnes , L Ottosson , O Nilsson

In Brief: Growth plate and articular cartilage have similar structures composed of distinct chondrocyte layers but they differ substantially with respect to their function and fate. This study combines transplantation experiments with cell tracing in rat with in vitrostudies to identify a novel mechanism by which synoviocytes act directly on chondrocytes to suppress endochondral and promote articular cartilage at the joint surface.Commentary: Gr...

ey0020.6-9 | New Concerns | ESPEYB20

6.9. Leukocyte telomere length in children with congenital adrenal hyperplasia

C Raftopoulou , O Abawi , G Sommer , M Binou , G Paltoglou , CE Fluck , ELT van den Akker , E Charmandari

Brief summary: This prospective observational cohort study determined leukocyte telomere length (LTL) in 76 patients with genetically confirmed CAH (83% classic CAH). LTL was shorter in patients with classic vs nonclassic CAH, in overtreated than in optimally treated patients, and patients receiving prednisolone compared with hydrocortisone.Telomeres are tandem repeats of a noncoding hexameric nucleotide sequence (5′-TTAGGG-3′) located at the...

ey0020.6-10 | New Concerns | ESPEYB20

6.10. Body composition in children and adolescents with non-classic congenital adrenal hyperplasia and the risk for components of metabolic syndrome: An observational study

A Ben Simon , A Brener , A Segev-Becker , M Yackobovitch-Gavan , A Uretzky , A Schachter Davidov , A Alaev , A Oren , O Eyal , N Weintrob , Y Lebenthal

Brief summary: This retrospective case-control observational study assessed body composition of children with non-classic congenital adrenal hyperplasia (NCCAH) using bioelectrical impedance analysis (BIA). It showed that children with NCCAH have an imbalance between muscle and fat tissues compared with control subjects, which may place them at increased risk for early-onset cardiometabolic morbidity.Non-classic congenital adrenal hyperplasia (NCCAH) is ...

ey0018.8-10 | New Genes | ESPEYB18

8.10. GWAS for autoimmune addison's disease identifies multiple risk loci and highlights AIRE in disease susceptibility

D Eriksson , EC Royrvik , M Aranda-Guillen , AH Berger , N Landegren , H Artaza , AE Hallgren , MA Grytaas , S Strom , E Bratland , IR Botusan , BE Oftedal , L Breivik , M Vaudel , O Helgeland , A Falorni , AP Jorgensen , AL Hulting , J Svartberg , O Ekwall , KJ Fougner , J Wahlberg , BG Nedrebo , P Dahlqvist , PM Knappskog , ASB Wolff , S Bensing , S Johansson , O Kampe , ES Husebye

Nat Commun. 2021 Feb 11;12(1):959.https://pubmed.ncbi.nlm.nih.gov/33574239/The authors report a genome-wide association study (GWAS) of autoimmune Addison’s disease (AAD) in 1223 cases (defined as autoimmune adrenal failure plus positive serum autoantibodies against 21-hydroxylase) and 4097 healthy controls. Patients with APS-1 were identified and excluded. They identified 9 genome-wid...

ey0018.1-11 | Genetics | ESPEYB18

1.11. Pituitary stalk interruption syndrome broadens the clinical spectrum of the TTC26 ciliopathy

O David , M Eskin-Schwartz , G Ling , V Dolgin , E Kristal , E Benkowitz , L Osyntsov , L Gradstein , OS Birk , N Loewenthal , B Yerushalmi

Clin Genet. 2020 Sep;98(3):303-307. doi: 10.1111/cge.13805. PMID: 32617964.In this case series, David et al. describe clinical features of 4 patients in 2 unrelated consanguineous families with TTC26 ciliopathy due to a homozygous c.695A>G p.Asn232Ser mutation. Three of the patients had MRI findings consistent with pituitary stalk interruption syndrome (PSIS), a congenital anomaly o...

ey0018.4-9 | New Perspectives | ESPEYB18

4.9. Prospective longitudinal assessment of linear growth and adult height in female adolescents with anorexia nervosa

D Modan-Moses , A Yaroslavsky , O Pinhas-Hamiel , Y Levy-Shraga , B Kochavi , S Iron-Segev , A Enoch-Levy , A Toledano , D Daniel Stein

J Clin Endocrinol Metab. 2021;106(1):e1–e10. doi: 10.1210/clinem/dgaa510. PMID: 32816013This prospective observational study on a cohort of 255 adolescents with anorexia nervosa (AN) aimed to investigate the effects of nutritional restriction on linear growth and adult height. Whereas premorbid height did not differ from reference standards, girls with AN showed a mild but significantl...

ey0018.8-5 | Important for Clinical Practice | ESPEYB18

8.5. Improved urinary cortisol metabolome in addison disease: A prospective trial of dual-release hydrocortisone

S Espiard , J McQueen , M Sherlock , O Ragnarsson , R Bergthorsdottir , P Burman , P Dahlqvist , B Ekman , BE Engstrom , S Skrtic , J Wahlberg , PM Stewart , G Johannsson

J Clin Endocrinol Metab 2021; 106(3):814–825.https://pubmed.ncbi.nlm.nih.gov/33236103/Here, the authors performed a randomized, 12-week, crossover study in order to assess cortisol metabolism during dual-release hydrocortisone (DR-HC) and conventional hydrocortisone (TID-HC) therapy in patients with primary adrenal insufficiency (n=50). Healthy controls (n=124) were i...

ey0019.5-15 | Advances in skeletal biology | ESPEYB19

5.15. Asymmetric activation of the calcium-sensing receptor homodimer

Y Gao , MJ Robertson , SN Rahman , AB Seven , C Zhang , JG Meyerowitz , O Panova , FM Hannan , RV Thakker , H Brauner-Osborne , JM Mathiesen , G Skiniotis

Nature. 2021 Jul;595(7867):455-459.Abstract: https://pubmed-ncbi-nlm-nih-gov/34194040/In brief: Using cryo-electron microscopy, the calcium-sensing receptor (CaSR) is visualized with different ligands demonstrating, in great detail, how calcimimetic drugs lock the CaSR homodimer in an assymetric configuration, exposing one of the two protomers for G-protein coupling, whereas calciolytic dru...