IL17A and androgen insensitivity syndrome: In contrast, the increased proportion of pro-inflammatory T helper 17 (Th17) cells and γδT cells in the serum of AIS patients was accompanied by elevated levels of pro-inflammatory factors, such as interleukin-17A (IL-17A), interleukin-23 (IL-23), IL-6, and IL-1β (102, 103).