PSMD9 and acute myeloid leukemia: When all AML subtypes were considered, high expression of mRNA encoding PSMD2 (p = 0.0001), PSMD6 (p = 0.046), PSMD7 (p = 0.00046), and PSMD9 (p = 0.003) correlated with a worse OS in TCGA AML data (Figure 6E–H).