HMGA2 and leukemia: Fetal-specific genes (HMGA2) have been identified in a rare HSC-like fraction of KMT2A-r infant leukemia (Chen et al., 2022), and IGF2BP1 maintains LSC by regulating HOXB4, MYB, and ALDH1A1 in pediatric leukemia cell lines (Elcheva et al., 2020).