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Expression of inhibitory receptors on αβ T cells. (A) Expression of PD-1, TIGIT, TIM3 and LAG3 on CD3+ T cells. (B) Expression of PD-1, TIGIT, TIM3 and LAG3 on CD4+ T cells. (C) Expression of PD-1, TIGIT, TIM3 and LAG3 on CD8+ T cells. *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001. ns, not significant.
