TRMT10A and chronic myelogenous leukemia, BCR-ABL1 positive: Two KO clones for TRMT10A (here abbreviated ΔA4 and ΔA10) and two for TRMT10B (ΔB4 and ΔB9) were generated by a commercial supplier in HAP1 cells, a nearly-haploid human cell line derived from the chronic myelogenous leukemia cell line KBM-7.