Association of genetic variants in the IL4 and IL4R genes with the severity of joint damage in rheumatoid arthritis: a study in seven cohorts.
A KrabbenA G WilsonD P C de RooyA ZhernakovaE BrouwerE LindqvistT SaxneG StoekenJ A B van NiesR KnevelT W J HuizingaR ToesP K GregersenA H M van der Helm-van MilPublished in: Arthritis and rheumatism (2014)
Genetic variants in IL4R were identified, and their association with the progression rate of joint damage in RA was independently replicated.