Moreover, CXCL13 is also related to many autoimmune diseases, such as rheumatoid arthritis (RA), multiple sclerosis (MS), systematic lupus erythematosis (SLE), primary Sjögren’s syndrome (pSS), myasthenia gravis (MG), and inflammatory bowel diseases (IBD). The gene discussed is CXCL13; the disease is myeloid sarcoma.