PPP4R2 and leukemia: To obtain first insights in the role of PPP4R2 in human leukemia, we investigated PPP4R2 mRNA expression levels in a selected cohort of AML patients with and without 3p CDR [n = 79; 3p CDR within CN-AML (n = 10), CN-AML no 3p deletion (n = 24), 3p CDR within CK-AML (n = 23), CK-AML no 3p deletion (n = 22)] in comparison to bone marrow (BM) of healthy controls (n = 8).