CD79A and rheumatoid arthritis: In addition, two studied in patients with rheumatoid arthritis demonstrated that a negative correlation between baseline IgA levels and time to B-cell repletion (p = 0.007), and patients with elevated baseline IgA levels had significantly higher B-cell counts 5 months after rituximab compared to those with normal IgA levels (p = 0.04) (De La Torre et al., 2012a; De La Torre et al., 2012b).