ISSN 1662-4009 (online)

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...

ey0015.14-9 | The ancient wisdom of refraining from consanguinity | ESPEYB15

14.9 Ancient genomes show social and reproductive behavior of early Upper Paleolithic foragers

M Sikora , A Seguin-Orlando , VC Sousa , A Albrechtsen , T Korneliussen , A Ko , S Rasmussen , I Dupanloup , PR Nigst , MD Bosch

To read the full abstract: Science 2017:eaao1807Consanguinity is common in some modern cultures. This study examined the question whether ancient humans, who often had limited choices of mates, bred among close relatives. Here, Sikora et al. report genome sequences from 4 early humans buried close together in western Russia about 34,000 years ago. The individuals ...

ey0020.6-8 | New Hope | ESPEYB20

6.8. A proof of concept of a machine learning algorithm to predict late-onset 21-hydroxylase deficiency in children with premature pubic hair

H Agnani , G Bachelot , T Eguether , B Ribault , J Fiet , Y Le Bouc , I Netchine , M Houang , A Lamaziere

Brief summary: Steroid analysis using LC-MS/MS in association with clinical parameters may be used to develop a diagnostic score that could successfully differentiate premature pubarche (PP) from non-classic congenital adrenal hyperplasia (NCCAH), thereby obviating the need for ACTH stimulation testing.Late onset, non-classic congenital adrenal hyperplasia (NCCAH) due to 21-hydroxylase deficiency (21-OHD) should be ruled out in children with premature pu...

ey0017.1-5 | Hypopituitarism: Disease Modeling and New Discoveries | ESPEYB17

1.5. Hypothalamic contribution to pituitary functions is recapitulated in vitro using 3D-cultured human iPS cells

T Kasai , H Suga , Sakakibara , C Ozone , R Matsumoto , M Kano , K Mitsumoto , K Ogawa , Y Kodani , H Nagasaki , N Inoshita , M Sugiyama , T Onoue , T Tsunekawa , Y Ito , H Takagi , D Hagiwara , S Iwama , M Goto , R Banno , R Takahashi , H Arima

To read the full abstract: Cell Rep. 2020 Jan 7;30(1):18–24.e5. doi: 10.1016/j.celrep.2019.12.009. PMID: 31914385.The hypothalamic-pituitary axis influences many body organ systems and its dysfunction can be fatal. A proper in vitro model is important for understanding the disease mechanisms affecting pituitary function. Based on their previous anterior pituitary modelli...

ey0017.3-9 | New genes | ESPEYB17

3.9. Digenic inheritance of mutations in EPHA2 and SLC26A4 in Pendred syndrome

M Li , SY Nishio , C Naruse , M Riddell , S Sapski , T Katsuno , T Hikita , F Mizapourshafiyi , FM Smith , LT Cooper , MG Lee , M Asano , T Boettger , M Krueger , A Wietelmann , J Graumann , BW Day , AW Boyd , S Offermanns , SI Kitajiri , SI Usami , M Nakayama

To read the full abstract: Nat Commun. 2020;11:1343.Li et al. describe a new genetic mechanism causing Pendred syndrome and extend evidence for an oligogenic origin of congenital hypothyroidism (CH). Autosomal recessive mutations in Pendrin (PDS/SCL26A4 ) were described in 1997 to cause Pendred syndrome [1]. However, over the years patients with either only heterozygous or even no mutation in PDS/SLC26A4 have been diag...

ey0017.6-7 | Differences/Disorders of Sex Development: Genetics | ESPEYB17

6.7. MYRF haploinsufficiency causes 46,XY and 46,XX disorders of sex development: Bioinformatics consideration

K Hamanaka , A Takata , Y Uchiyama , S Miyatake , N Miyake , S Mitsuhashi , K Iwama , A Fujita , E Imagawa , AN Alkanaq , E Koshimizu , Y Azuma , M Nakashima , T Mizuguchi , H Saitsu , Y Wada , S Minami , Y Katoh-Fukui , Y Masunaga , M Fukami , T Hasegawa , T Ogata , N Matsumoto

To read the full abstract: Hum Mol Genet. 2019, Jul 15; 28: 2319–29. doi: https://academic.oup.com/hmg/article/28/14/2319/5424416This study provides evidence that MYRF is important in the development of coelomic endothelial derived cells, and early gonadal development in both males and females. It combines detailed phenotypic assessment of patients and whole geno...

ey0017.9-3 | Fertility-Related Issues | ESPEYB17

9.3. The influence of different intensity of treatment on hormonal markers of gonadal function in acute lymphoblastic leukemia survivors

M Krawczuk-Rybak , M Płonowski , E Leszczyńska , E Latoch , M Sawicka-Żukowska , K Muszyńska-Rosłan , J Skalska-Sadowska , J Wachowiak , D Sga-Pondel , B Kazanowska , A Chybicka , T Stachowicz-Stencel , J Stefanowicz , I Malinowska , M Matysiak , A Kotan , M Wysocki , A Pobudejska-Piena¸żek , T Szczepański , B Przybyszewski , W Badowska , D Szymańska-Miller , JR Kowalczyk , E Kamieńska , T Urasiński , A Wawrzeńczyk , B Żelazowska-Rutkowska , B Cylwik

To read the full abstract: Hematol Oncol. 2019 Dec;37(5):609–616. mar26@mp.plAcute lymphoblastic leukaemia (ALL) is the most common childhood neoplasia with an actual survival rate >80%. ALL treatment has changed considerably during last 30 years; radiotherapy with 24 Gy to the central nervous system (CNS) has been eliminated or reduced to lower doses (12 or 18 Gy) and chemotherapy regimens are now tailo...

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

10.10 International consensus on use of continuous glucose monitoring

T Danne , R Nimri , T Battelino , RM Bergenstal , KL Close , JH DeVries , S Garg , L Heinemann , I Hirsch , SA Amiel , R Beck , E Bosi , B Buckingham , C Cobelli , E Dassau , FJ Doyle , S Heller , R Hovorka , W Jia , T Jones , O Kordonouri , B Kovatchev , A Kowalski , L Laffel , D Maahs , HR Murphy , K Nørgaard , CG Parkin , E Renard , B Saboo , M Scharf , WV Tamborlane , SA Weinzimer , M Phillip

To read the full abstract: Diabetes Care. 2017;40:1631-1640[Comments on 10.9 and 10.10] These two publications describe guidelines made by the international learned societies on the use of continuous glucose monitoring devices. It is important to learn from these publications that education and guidance are pivotal before continuous glucose...

ey0018.2-7 | Neonatal hypoglycaemia | ESPEYB18

2.7. Possible new strategies for the treatment of congenital hyperinsulinism

J Sikimic , T Hoffmeister , A Gresch , J Kaiser , W Barthlen , C Wolke , I Wieland , U Lendeckel , P Krippeit-Drews , M Dufer , G Drews

Front Endocrinol (Lausanne). 2020 Oct 27;11:545638. doi: 10.3389/fendo.2020.545638. PMID: 33193079.Using human islets from CHI patients and islets from ABCC8 (SUR1) knockout mice, the authors tested several novel compounds to inhibit insulin over-secretion. These novel compounds targeted KATP channels as well as KATP indepe...

ey0018.6-3 | Basic and Genetic Research of DSD | ESPEYB18

6.3. The FKBP4 gene, encoding a regulator of the androgen receptor signaling pathway, is a novel candidate gene for androgen insensitivity syndrome

E Ilaslan , R Markosyan , P Sproll , BJ Stevenson , M Sajek , MP Sajek , H Hayrapetyan , T Sarkisian , L Livshits , S Nef , J Jaruzelska , K Kusz-Zamelczyk

Int J Mol Sci. 2020 Nov 9;21(21):8403. doi: 10.3390/ijms21218403. PMID: 33182400This case report describes a patient with clinically diagnosed partial androgen insensitivity syndrome (PAIS). However, no mutation in the androgen receptor gene was identified. Instead, whole genome sequencing revealed a heterozygous point mutation inherited from the mother in the FKBP4 gene. This gene i...