RARA and acute promyelocytic leukemia: According to ceRNA function that a ceRNA is co-regulated with its target gene, we speculated that the effects of Myc mRNA ablation on APL cells are similar to that of PML/RARα degradation, which is triggered by Arsenic Trioxide (ATO, a highly effective anti-leukemic agent) and consequently results in APL cell apoptosis [28, 29].