MEF2C expression levels correlate with BCL2 and LMO2 expression levels in patients with ETP-ALL but not in other patients with T-ALL (Supplemental Figure 1F), and it is validated for LMO2 in the original data set as published by Homminga et al. (5) (Supplemental Figure 1G). Here, LMO2 is linked to acute lymphoblastic leukemia.