GNPNAT1 and neoplasm: Tumor IMmune Estimation Resource results noted that GNPNAT1 expression was negatively correlated with B cells (R = −0.304, P = 8.04e-12), CD4+ T cells (R = −0.218, P = 1.24e-06), and dendritic cells (R = −0.137, P = 0.002) (Figure 7A).