IL17A and rheumatoid arthritis: The B cell subset could account for up to a mean of 25% of the IL-17+CD3- non-T cells (Figure 3A), although with highly variable percentages in healthy individuals (range 0.6% - 62%, n = 8) as well as in RA patients (range 0.3% - 71.5%, n = 8) independent of their disease state and treatment after short term in vitro culture.