Identification and evaluation of 41 risk loci for juvenile idiopathic arthritis informs precision medicine: mechanistic implications of DNA topology and an HLA-A*02:01-ERAP2 interaction
Hannah C. Ainsworth, Ekaterina S Khvatkova, Marc Sudman, Miranda C. Marion, Kaiyu Jiang, John F. Bohnsack, Mary E. Comeau, Patrick M. Gaffney, Johannes‐Peter Haas, Timothy D. Howard, Kimme Leanne Hyrich, Judith A. James, Peter Andrija Nigrovic, Ellen Berit Nordal, Alan M Rosenberg, , Carl D. Langefeld
This paper identifies 41 risk loci for juvenile idiopathic arthritis, including 14 novel ones, and presents a polygenic risk score associated with age of onset, along with functional mechanisms involving DNA topology and an HLA-A*02:01-ERAP2 interaction.
medRxiv · Sep 17, 2026 · PreprintGenetic & Genomic Medicine