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Superior Anti-tumor Activity from 4-1BB CAR T Cells Was Measured by Long-Term Killing Assay
(A) Diagram of experimental design for long-term killing assay. (B and C) Anti-tumor effects of Kappa-CAR (B) and CD19-CAR (C) were measured by the decrease in tumor cell number (left) and increase in effector cell number (right). A Kappa-positive Daudi cell expressing fluorescent protein mCherry was used as a target cell. (B and C) Error bars show ± SD.
