ISSN 1662-4009 (online)

ey0018.11-3 | New hope: Increased diagnostic yield for disease causing MC4R variants and pharmacological treatment options | ESPEYB18

11.3. Human MC4R variants affect endocytosis, trafficking and dimerization revealing multiple cellular mechanisms involved in weight regulation

B Brouwers , EM de Oliveira , M Marti-Solano , FBF Monteiro , SA Laurin , JM Keogh , E Henning , R Bounds , CA Daly , S Houston , V Ayinampudi , N Wasiluk , D Clarke , B Plouffe , M Bouvier , MM Babu , IS Farooqi , J Mokrosiński

J Cell Rep. 2021 Mar 23;34(12):108862. 10.1016/j.celrep.2021.108862. https://pubmed.ncbi.nlm.nih.gov/33761344/This study demonstrates that MC4R variants found in humans affect receptor endocytosis, trafficking and dimerization and thus reveal multiple cellular mechanisms involved in weight regulation. The findings contributes to our und...

ey0019.15-3 | Obesity | ESPEYB19

15.3. Obesity-associated GNAS mutations and the melanocortin pathway

E Mendes de Oliveira , JM Keogh , F Talbot , E Henning , R Ahmed , A Perdikari , R Bounds , N Wasiluk , V Ayinampudi , I Barroso , J Mokrosinski , D Jyothish , S Lim , S Gupta , M Kershaw , C Matei , P Partha , T Randell , A McAulay , LC Wilson , T Cheetham , EC Crowne , P Clayton , IS Farooqi

N Engl J Med. 2021;385(17):1581-92. doi: 10.1056/NEJMoa2103329.PubMed ID: 34614324Brief Summary: The authors performed whole exome sequencing in 2548 children with severe obesity and identified 22 GNAS mutation carriers, almost all of which disrupted melanocortin 4 receptor (MC4R) signaling.The gene GNAS encodes the stimulatory G-protein alpha subunit pr...