GZMK and type 1 diabetes mellitus: As shown in Figure 5A, there were 13 overlapping genes (COX7B, HLA-DQA1, RPS3A, PFDN1, PSMA6, KIAA0101, HLA-DQB1, GZMK, NDUFA4, CKLF, LTF, TIMM8B, and IER3IP1) between DEGs in T1DM and DEGs in the activated CD56+CD16+ NK cell subset.