PDE7B and acute myeloid leukemia: The result was that a significant prolongation of the survival time in AML patients who had received Allo-HSCT with low expression level of PDE7B relative to AML patients with high level PDE7B (EFS: P = 0.0052, Log-rank test, Fig. 3A; OS: P = 0.0035, Log-rank test, Fig. 3A).