CSF2 and myeloid sarcoma: Current data suggests that MS, and its animal model, EAE, are driven by both TH1 lymphocytes, producing IFN-γ, interleukin (IL)-2 and TNF, and TH17 lymphocytes, producing IL-17, IL-21, IL-22, and Granulocyte-macrophage colony-stimulating factor (GM-CSF also known as CSF-2).