CD274 and Miyoshi myopathy: After establishing that both PD1EcTMDAP10IC+ and PD1EcTMDAP12IC+ pNK cells from healthy donors increased degranulation and cytokine expression against PD-L1+ tumor cell lines, their function in pNK cells from patients with MM against autologous bone marrow mononuclear cells (BM MNC) was evaluated.