Fig. 4

Effect of activated T cells on the expression of PD-L1 and PD-1 on CD19⁺BCs. (A-B) The plot of the effect of activated TCs on the expression of PD-L1 (A) and PD-1 (B) on the surface of CD19⁺BCs. ns: no statistical significance (P > 0.05), *P < 0.05, **P < 0.01