B Cells in Rheumatoid Arthritis: From Pathogenic Players to Disease Biomarkers

Table 1

Autoantibodies described in rheumatoid arthritis.

Rheumatoid factors
Anti-collagen type II
Anti-glucose-6-phosphate isomerase (GPI)
Anti-human cartilage glycoprotein 39
Anti-Ra33/heterogeneous nuclear ribonucleoprotein (hnRNP) A2
Anti-citrullinated fibrinogen
Anti-citrullinated vimentin
Anti-citrullinated alpha-enolase
Anti-immunoglobulin binding protein (BiP)
Anti-carbamylated proteins (anti-CarP)
Anti-peptidyl arginine deiminase (PAD)
Anti-histones
Anti-Porphyromonas gingivalis-derived enolase
Anti-Porphyromonas  gingivalis-derived PAD