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Potent therapeutic effects of 7 × 19 CAR-T in the preestablished solid tumor model of human glioblastoma. NOG-ΔMHC mice were inoculated subcutaneously with 3.5 × 106 U87MG EGFRvIII tumor cells on day 0 and then treated with intravenous injection of 1 × 107 Conv. CAR-T, 7 × 19 CAR-T, or UTD on day 10. Thereafter, the tumor size (A) and the mouse survival (B) were assessed (n = 12 each in UTD and 7 × 19 CAR-T groups; n = 13 in Conv. CAR-T group; n values are biological replicates). In A, each line indicates the tumor volume of an individual mouse. Tumor volumes during the initial 56 days of 7 × 19 CAR-T–treated mice are shown in the inset. ***, P
Ohta et al. (Wed,) studied this question.