KLRK1 and acute myeloid leukemia: Compared to AML-DN group, the percentage of NKG2D+TIGIT− non-Vδ1/Vδ2 T-cell subset was significantly increased in HIs (median: 23.90% vs. 7.50%, p < 0.001), whereas the proportion of NKG2D−TIGIT+ non-Vδ1/Vδ2 T-cell subset was significantly decreased (median: 31.10% vs. 5.53%, p < 0.001) (Supplementary Figure S1C).