POU4F2 and acute monocytic leukemia: Nurminen et al. described four TFs: B-cell CLL/lymphoma 6 (BCL6), nuclear factor erythroid 2 (NFE2), E74-like ETS transcription factor 4 (ELF4), and POU class 4 homeobox 2 (POU4F2) as the secondary genomic effectors of 1,25(OH)2D3 treatment in acute monocytic leukemia THP-1 cells [100].