For instance, DHCR7 exhibited positive effects on the expression of regulatory T cell (Treg) and T cell exhaustion markers, including FOXP3, STAT5B, TGFB1, PDCD1, CTLA4, and LAG3 in BLCA, KIRC, and PRAD. The gene discussed is FOXP3; the disease is bladder transitional cell carcinoma.