PML and acute leukemia: Acute promyelocytic leukemia is a form of acute leukemia characterized by a chromosomal rearrangement involving PML::RARA fusion [235], making this malignancy sensitive to differentiating agents inducing PML-RARA fusion protein degradation by targeting the RARA or the PML part (all-trans-retinoic acid and arsenic-trioxide, respectively) [236].