In particular, we found seven common upregulated DEGs (p = 0.01 using a one-tailed chi-square test; representation factor = 2.9) (BTG2, EED, HBP1, PTGS2, NAMPT, ATP6V0A1, and EAF2) between SCZ and T2DM. The gene discussed is BTG2; the disease is type 2 diabetes mellitus.