IL17A and myeloid sarcoma: Flow cytometry analysis of the composition of T-cells producing IFN-γ (Th1), IL-17A (Th17), IL-4 (Th2), and IL-10 (Treg) revealed no visible changes in the percentage of Th1 and Treg cells in response to various exosomes for both MS patients and control subjects without autoimmune disease.