IKZF1 and acute lymphoblastic leukemia: Two genome-wide association (GWA) studies have identified SNPs in 7p12.2 (IKZF1), 9p21 (CDKN2A), 10q21.2 (ARID5B), and 14q11.2 (CEBPE)that contribute to susceptibility to ALL [5], [6].