LMO1 and acute lymphoblastic leukemia: We have previously shown that a common single nucleotide polymorphism in the first intron of the LMO1 gene is highly associated with LMO1 expression in neuroblastoma cells.34 RNA-seq analysis showed that ~4% of T-ALL tumours express high levels of LMO1, whereas 79% of neuroblastoma tumours express high levels of this gene (Figure 2c).