ISSN 1662-4009 (online)

ey0021.10-12 | New Biomarkers | ESPEYB21

10.12. A set of circulating microRNAs belonging to the 14q32 chromosome locus identifies two subgroups of individuals with recent-onset type 1 diabetes

G Sebastiani , GE Grieco , M Bruttini , S Auddino , A Mori , M Toniolli , al. et

Brief Summary: Circulating microRNAs (miRNA) were measured using multiplatform sequencing in longitudinal samples from 262 individuals with newly diagnosed type 1 diabetes (T1D) enrolled in the INNODIA Natural History Study. A set of miRNAs located within the T1D susceptibility chromosomal locus 14q32 distinguished 2 groups of T1D: those with higher miRNA expression showed better glycemic outcomes and immunomics profile.MicroRNAs (miRNAs) are a class of ...

ey0016.11-10 | Brown Adipose Tissue: The Story Goes On | ESPEYB16

11.10. Brown adipose tissue in prepubertal children: associations with sex, birthweight, and metabolic profile

R Malpique , JM Gallego-Escuredo , G Sebastiani , J Villarroya , A Lopez-Bermejo , F de Zegher , F Villarroya , L Ibanez

To read the full abstract: Int J Obes 2019; 43(2): 384–91Studies regarding brown adipose tissue (BAT) activity in children are scarce due to the difficulties in detecting BAT by imaging and the need for elaborate techniques to measure BAT activity. Here, prepubertal children born small for gestational age (SGA, n=41) and children born appropriate for gestational age (AGA, <...

ey0016.5-7 | New Insight into Rare Skeletal Disorders | ESPEYB16

5.7. Gain-of-function DNMT3A mutations cause microcephalic dwarfism and hypermethylation of Polycomb-regulated regions

P Heyn , CV Logan , A Fluteau , RC Challis , T Auchynnikava , CA Martin , JA Marsh , F Taglini , F Kilanowski , DA Parry , V Cormier-Daire , CT Fong , K Gibson , V Hwa , L Ibanez , SP Robertson , G Sebastiani , J Rappsilber , RC Allshire , MAM Reijns , A Dauber , D Sproul , AP Jackson

Abstract Link: Nat Genet. 2019 Jan;51(1):96–105.In brief: Gain-of-function mutations altering DNMT3A are identified as a new cause of microcephalic dwarfism. Modelling of the disease in mice show that the mutations abrogate DNMT3A binding to H3K36me2 and H3K36me3 and lead to aberrant DNA methylation of Polycomb-marked regions and therefore repression ...