On the other hand, several other T-ALL-associated transcription factors (Lyl1, Lmo1, Lmo2, Hoxa13, Tal1 and Tal2) [18,21,34,57,58,59,60,61,62,63,64,65] showed variable expressions (Supplementary Figure S4). This evidence concerns the gene TAL2 and acute lymphoblastic leukemia.