IFNB1 and myeloid sarcoma: Currently, there are many immunotherapies to restore the balance of Th17/Treg in MS, such as various disease-modifying therapies (DMT), immunosuppressive drugs, including interferon beta (IFN-β) [22], glatiramer acetate (GA) [23], teriflunomide, and fingolimod, and various monoclonal antibodies based on cell depletion therapy [22, 24–29].