LMO2 and acute lymphoblastic leukemia: Next, gene set enrichment analysis (GSEA) of Rosa26‐Lmo2 + Sca1‐Cre and Sca1‐Lmo2 mouse‐based gene signatures, against a human T‐ALL childhood expression set with healthy controls (Mootha et al, 2003; Subramanian et al, 2005), was performed (Fig 6B).