Fig. 4From: Antibodies directed against endogenous and exogenous citrullinated antigens pre-date the onset of rheumatoid arthritis a–d Clustering of anti-CCP2, anti-VCP1 and anti-VCP2, and anti-CCP2, anti-HCP1 and anti-HCP2 antibodies in individuals before onset of rheumatoid arthritis (RA) symptoms and in patients with RA. VCP viral citrullinated peptide derived from Epstein-Barr-virus derived protein, HCP histone 4-derived citrullinated peptides, CCP cyclic citrullinated peptideBack to article page