Salivary ANA isotypes, including IgG-ANA, IgA-ANA, and IgM-ANA, from saliva of 3 SLE patients and 1 ANA+ve healthy control stained nuclei with different patterns, with some overlap between the staining patterns observed between the isotypes, as determined by IF. The gene discussed is CD79A; the disease is systemic lupus erythematosus.