WT1 and chronic myelogenous leukemia, BCR-ABL1 positive: We exposed in vitro CD8+ transgenic WT1-specific T cells targeting the HLA A*0201-restricted WT137-45 epitope (TTCR37-45) to high-WT1-expressing HLA-A*0201-transduced K562 acutely transformed chronic myelogenous leukemia (Supplementary Fig. 20A).