RICTOR and chronic myelogenous leukemia, BCR-ABL1 positive: Similarly, highest levels of mTORC2, particularly Rictor and pAKTS473, were seen in K562 (BCR-ABL1+ CML cell line) and NALM6 cells (B-ALL cell line), compared with the AML cell lines THP1 and Kasumi (Supplementary Fig. 16C).