IL17F and Autoimmune polyendocrinopathy type 1: Furthermore, neutralizing autoantibodies to IL‐17A, IL‐17F, and IL‐22 are associated with an increased susceptibility to C. albicans infections in patients with autoimmune polyglandular syndrome type 1 (APS1) due to mutations in autoimmune regulator (AIRE) (Kisand et al, 2010).