CD4 and myeloid sarcoma: Different authors have demonstrated that T-helper 1 (Th1), T-helper 17 (Th17), and T-helper 1/17 (Th1Th17; also referred as Th1-like Th17 in the literature) CD4+ T cells promote or contribute to the autoimmune inflammatory process of MS patients and its mouse model, the experimental autoimmune encephalomyelitis (EAE) [3–7].