AutoAbs & protein signatures evolve as pts go from Preclinical to established RA. Pts vs controls distinguished w/in 5 yrs of Dx best by iCCP3, RFIgA, RFIgM; and 104 proteins differentially expressed & gene analyses showed 21 pathways enriched ≤5 years of Dx. https://t.co/EWwpvrduJz