Fig. 6From: Plasmodium infection inhibits the expansion and activation of MDSCs and Tregs in the tumor microenvironment in a murine Lewis lung cancer modelEffects of Plasmodium infection on CD8+ T cells in the tumor microenvironment. a Flow cytometry gating protocol for CD8+ T cell sorting. b Comparison of the mRNA expression of PD-1 on sorted CD8+ T cells. c mRNA expression of granzyme B (d) and perforin by the sorted CD8+ T cells. e Protein expression of PD-1 on sorted CD8+ T cells determined by western blotting. **P < 0.01Back to article page