KDM3A and nasopharyngeal carcinoma: Jumonji Domain 1A (JMJD1A) and BTB and CNC homology 1 (BACH1), putative targets of miR-155, can be downregulated by miR-155 mimics, while miR-155 inhibitor upregulates the expression of JMJD1A in the NPC cell lines.