IKZF1 and acute lymphoblastic leukemia: A series of genome-wide association studies (GWASs) have identified several common risk loci for genetic predisposition basis of ALL in several genes (e.g., ARID5B, IKZF1, CEBPE, CDKN2A, PIP4K2A-BMI1, and GATA3) (Papaemmanuil et al., 2009; Trevino et al., 2009; Sherborne et al., 2010; Migliorini et al., 2013; Perez-Andreu et al., 2013; Xu et al., 2013; Perez-Andreu et al., 2015; Xu et al., 2015).