TGFB1 and myeloid sarcoma: Although, some defects have been reported in the number or function of Treg cells (the main producers of TGF-β) from MS patients and EAE models (Buc, 2013c ▶; Lowther and Hafler, 2012); however, the results of our recent study showed that there was no significant difference between MS patients and healthy control group regarding serum levels of a Treg cells-related cytokine IL-35 (Jafarzadeh et al., 2014d ▶).