More recently, the function of IL‐38 has gained interest in the context of inflammatory and autoimmune diseases such as rheumatoid arthritis, psoriasis, systemic lupus erythematosus, Crohn's disease, primary Sjögren syndrome, hepatitis, hidradenitis suppurativa and gestational diabetes, along with asthma, retinopathy, ST‐elevated myocardial infarction (STEMI), coronary artery disease, cancer, and sepsis [5, 7, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21]. This evidence concerns the gene IL1F10 and rheumatoid arthritis.