We analyzed the RNA profile of cytokines (1L-2, IL-4, IL-6, IL-10, IL-13, IFN-γ, TGF-β and TNF-α) in CD8 Treg cells stimulated with PMA plus ionomycin from MM patients (n = 3) and healthy donors (n = 3) by RT-PCR. Here, IL13 is linked to Miyoshi myopathy.