RPS6KB2 and chronic myelogenous leukemia, BCR-ABL1 positive: The CML-KLS+ cell/OP-9 stromal cell co-culture was treated with TKIs (IM (1 μM)/DA (0.5 μM)) and statins (rosuvastatin (2 μM)/atorvastatin (2 μM)) for 3 days.