Fig. 1From: Cross-reactivity of IgM anti-modified protein antibodies in rheumatoid arthritis despite limited mutational loadCross-reactivity of polyclonal ACPA IgM. Heatmap of PTM-Cyclic Peptide 2 IgM ELISA of CCP2 isolated plasma samples from 5 different samples of 4 ACPA+ RA patients. Isolated CCP2 binding antibodies from 5 ml plasma were diluted 10 to 40 timesBack to article page