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. 2021 Mar 5;12:609421. doi: 10.3389/fimmu.2021.609421

Figure 1.

Figure 1

Efficient expression of CAR on lentiviral-transduced T cells and functional verification of IL-7 and CCL19. (A) Schematic representation of BCMA-hBBz CAR and BCMA-7x19 CAR. (B) CAR expressions of CAR-T cells were analyzed by flow cytometry. The numbers in scatter plots represent the percentages of positively stained cells. (C) The expression rates of BCMA CAR and BCMA-7x19 CAR. Data are means± SD obtained from seven donors. MOI = 80. P-value was calculated by two-tailed student t-test. ns, not statistically significant (P > 0.05). (D) Quantitative detection of IL-7 (left) and CCL19 (right) secretion by ELISA. (E) Number fold change of BCMA-hBBz and 7 × 19 CAR-T cells at the indicated time-points. ****P < 0.0001 by two-way ANOVA. (F) The count of migrating T cells (N = 3). ****P < 0.0001 was calculated by two-tailed student t-test. ***P < 0.001.