MPO and acute myeloid leukemia: Corresponding survival analyses suggested that BMP4 (P = 0.006), MPO (P = 0.002), THBS1 (P = 0.014), APP (P = 0.034), ELANE (P = 0.042), HOXA7 (P = 0.027), and VWF (P = 0.015) had a significant prognostic value in AML (Figure 6).