The dysregulation of IL-17 expression is associated with a variety of inflammatory diseases, including inflammatory bowel disease (IBD), multiple sclerosis (MS), psoriasis, systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and asthma (Patel & Kuchroo, 2015). Here, IL17A is linked to systemic lupus erythematosus.