BCL2A1 and chronic myelogenous leukemia, BCR-ABL1 positive: In one small study BCL2A1 mRNA was over-expressed in acute lymphoid leukemia (ALL), acute myeloid leukemia (AML), chronic lymphoid leukemia (CLL), chronic myeloid leukemia (CML), and mantle cell lymphoma tumor cells compared to normal marrow cells [23].