Moreover, Th17 cells are involved in the progression of various autoimmune diseases,60, 67, 68 such as rheumatoid arthritis,26, 36 primary Sjögren's syndrome,69, 70 inflammatory bowel disease,8 ankylosing spondylitis,71 allergic rhinitis,72 glaucoma,73 septic dermatitis, multiple sclerosis, and autoimmune thyroid disease,74, 75, 76, 77, 78, 79, 80 suggesting that IL‐38 may play a key role in autoimmune diseases. Here, IL1F10 is linked to autoimmune disease.