GATA1 and leukemia: We examined the RNA expression of three hematopoietic GATA transcription factors (GATA1, GATA2, and GATA3) in a total of 1,644 pediatric leukemia patients with AML (n = 297), T-ALL (n = 99), and B-ALL (n = 1,248) using RNA-seq data available at St.