INPP5D and chronic myelogenous leukemia, BCR-ABL1 positive: SHIP1 was barely detectable in BCR-ABL1 (breakpoint cluster region/abelson murine leukemia viral oncogene homolog 1)-positive leukemia cells from patients with chronic myeloid leukemia, since the expression of SHIP1 was suppressed by BCR-ABL1 [99,100].