NN levels in patients with SLE compared to healthy and autoimmune disease controls. This figure shows the results obtained in the NN ELISA on testing serum samples from patients with SLE in comparison with healthy controls and patients with other autoimmune rheumatic diseases (myositis, rheumatoid arthritis and Sjogren’s syndrome). NN levels were higher in the SLE group than the other groups (P = 0.01 by one way ANOVA/Kruskal Wallis test). NN, nitrated nucleosomes; SLE, systemic lupus erythematosus.
Croca et al. Arthritis Research & Therapy 2014 16:R48 doi:10.1186/ar4477