Identification of genetic risk loci and prioritization of genes and pathways for myasthenia gravis: a genome-wide association study

Ruth Chia, Sara Sáez-Atiénzar, Natalie A. Murphy, Adriano Chiò, Cornelis Blauwendraat, Ricardo H. Roda, Pentti J. Tienari, Henry J. Kaminski, Roberta Ricciardi, Melania Guida,

Proceedings of the National Academy of Sciences · 2022 · 132 citations · 25 references

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Abstract

were confirmed. Subgroup analyses demonstrate that early- and late-onset cases have different genetic risk factors. Genetic correlation analysis confirmed a genetic link between myasthenia gravis and other autoimmune diseases, such as hypothyroidism, rheumatoid arthritis, multiple sclerosis, and type 1 diabetes. Finally, we applied Priority Index analysis to identify potentially druggable genes/proteins and pathways. This study provides insight into the genetic architecture underlying myasthenia gravis and demonstrates that genetic factors within the loci encoding acetylcholine receptor subunits contribute to its pathogenesis.

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