FOLH1 and neoplasm: BsAb1 and 2 were again titrated in the presence of MYC-tagged anti-CD19 CAR T cells [bearing a (G4S)3 ScFv linker] and PSMA+ PC3 cells (E:T ratio = 5:1), tumor cell lysis was again observed using xCELLigence monitoring (Fig. 6A).