IL17A and candidiasis: 101 Experimental observations of patients with mutations in the gene encoding IL-17R have suggested widespread prevalence of C. albicans and Staphylococcus aureus in human mucosal skin infections.102 Experiments with mice administered IL-17-blocking antibodies revealed that a certain level of IL-17 effectively prevented candidiasis.103,104 IL-17 also boosts immunity against other fungi.