WT1 and chronic myelogenous leukemia, BCR-ABL1 positive: We also discovered that our previously identified chronic myeloid leukemia (CML)-associated TCR Vβ clone specifically recognizes Wilm’s tumor 1 (WT1) antigenic peptides by stimulating T cells in healthy donors with MHC-restricted antigenic peptides and TCR Vβ gene sequencing [26].