PSMD9 and acute myeloid leukemia: In FLT3-mutated AML, high levels of PSMD2 (p = 0.00016) and PSMD7 (p = 0.00058), but not PSMD6 (p = 0.17) or PSMD9 (p = 0.052) mRNA expression correlated with a significant reduction in OS (Figure 6I–L).