huCD26mAb-triggered ADCC against tested CD26+ MM cell lines (U266, KMS18, KMS26, and KMS28) co-cultured with OCs in the presence of NK effector cells from three different donors in an effector–target (E/T) ratio (0.2, 1.0, 5.0, 25, or 50)-dependent manner (Fig. 3b). The gene discussed is DPP4; the disease is Miyoshi myopathy.