Apostolia Topaloudi, Zoi Zagoriti, Alyssa Camille Flint, Melanie Belle Martinez, Zhiyu Yang, Fotis Tsetsos, Yiolanda-Panayiota Christou, George Lagoumintzis, Evangelia Yannaki, Eleni Zamba-Papanicolaou, John Tzartos, Xanthippi Tsekmekidou, Kalliopi Kotsa, Efstratios Maltezos, Nikolaos Papanas, Dimitrios Papazoglou, Ploumis Passadakis, Athanasios Roumeliotis, Stefanos Roumeliotis, Marios Theodoridis, Elias Thodis, Stylianos Panagoutsos, John Yovos, John Stamatoyannopoulos, Konstantinos Poulas, Kleopas Kleopa, Socrates Tzartos, Marianthi Georgitsi, Peristera Paschou
BACKGROUND: Myasthenia gravis (MG) is a rare autoimmune disorder affecting the neuromuscular junction (NMJ). Here, we investigate the genetic architecture of MG via a genome-wide association study (GWAS) of the largest MG data set analysed to date. METHODS: We performed GWAS meta-analysis integrating three different data sets (total of 1401 cases and 3508 controls). We carried out human leucocyte antigen (HLA) fine-mapping, gene-based and tissue enrichment analyses and investigated genetic correlation with 13 other autoimmune disorders as well as pleiotropy across MG and correlated disorders...
August 2022: Journal of Medical Genetics