For the first time, Sanford-Burnham researchers have shown how the reversible interactions of the small protein SUMO work to facilitate treatment of acute promyelocytic leukemia (APL). The study, published recently in the journal Science Signaling, explains how the on-off associations of SUMO are required to destroy the APL causing oncoprotein and pave the way for an arsenic-based cure. Continue reading “How arsenic cures leukemia”