MUC5B variant gene in 5634 RA pts had 2X ⬆️ risk of RA ILD - same gene as in IPF. Clinical relevance is unknown but could it result in a novel Rx pathway? ? Effect of sex & smoking @RheumNow @eular_org abst OP0007 #EULAR2021 https://t.co/8XpKjPFfUX