Realgar Transforming Solution Triggers Ferroptosis-Associated Death in NB4 Leukemia Cells through Disruption of Iron Homeostasis and Suppression of the SLC7A11/GPX4 Axis.
Realgar (As4S4) has long been used in traditional medicine, yet its clinical application remains limited due to poor bioavailability and toxicity. Realgar transforming solution (RTS), a bioleached product generated through microbial transformation of realgar, exhibits enhanced anti-tumor activity; however, its underlyi...