Alum-adjuvanted Q11-IL17A vaccine prevents psoriasis in imiquimod-induced model mice by shifting antibody production towards IgG1 vs IgG2b.31 In addition to the peptide-based vaccine, our previous study showed the beneficial effects of the IL17A DNA vaccine for systemic lupus erythematosus (SLE). The gene discussed is IL17A; the disease is systemic lupus erythematosus.