Since the tested MM cell lines also express NKG2D ligands (S1 Fig), we first compared a 1st generation NKG2D CAR (NKG2Dz CAR) and the 1st generation αBCMA CAR (αBCMAz CAR) after introducing them into Vγ9Vδ2 T cells. The gene discussed is KLRK1; the disease is Miyoshi myopathy.