RARA and acute promyelocytic leukemia: Interestingly, this effect is seen with the oncogenic fusion protein PML-RARα (TRIM19), whose autophagic degradation is induced in following exposure to all-trans retinoic acid (Isakson et al., 2010; Wang et al., 2011), which is a standard treatment for acute promyelocytic leukemia (Wang and Chen, 2008).