IL17A and focal segmental glomerulosclerosis: This revealed increased plasma IL-17 levels in patients with recurrence of FSGS (32.30 ± 9.12 pg/mL; n = 6) versus glomerular disease (23.16 ± 2.49 pg/mL; p < 0.01; n = 45) and healthy subjects (22.28 ± 0.94 pg/mL; p < 0.01; n = 26) (Figure 3).