Conversely, we observed a significant negative correlation between UCK2 expression and T helper type 1 cells, T follicular helper cells, nature killer cells, monocytes, myeloid-derived suppressor cells (MDSCs), immature dendritic cells, immature B cells, eosinophils, effector memory CD8+ T cells, central memory CD4+ T cells, CD56bright natural killer cells, activated dendritic cells, activated CD8+ T cells, macrophages, and activated B cells within different cancer types. The gene discussed is CD4; the disease is cancer.