Collectively, the data showed aberrant expression of EOMES, MGA, TBX1, TBX2, TBX3, TBX5, TBX6, TBX10, TBX15, TBX19, TBX21, and TBR1 in AML and of EOMES, TBX1, TBX2, TBX4, TBX19, and TBX21 in CML. This evidence concerns the gene TBX21 and chronic myelogenous leukemia, BCR-ABL1 positive.