Supplementary Figure 3: PD-1 blockade prior to antigenic stimulation generates dysfunctional PD-1⁺CD38⁺ CD8⁺ T cells.

a. Gating strategy. b. FACS contour plots showing frequency of PD-1⁺CD38⁺ cells in total CD8⁺ T cells in the tumors (at D13) following various treatments.