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This study aims to explore the detail molecular mechanism by which artesunate (ARS), an artemisinin derivative, induces apoptosis in HepG2 cells. ARS induced a loss of mitochondrial transmemberane potential (ΔΨ m ), phosphatidylserine (PS) externalization, as well as activations of Bax/Bak and caspases indicative of apoptosis induction. Silencing Bax but not Bak significantly inhibited ARS-induced...
Our recent studies have demonstrated the key roles of reactive oxygen species (ROS)-mediated caspase-8- and Bax-dependent apoptotic pathways in dihydroartemisinin (DHA)-induced apoptosis of A549 cells. This report is designed to investigate the proapoptotic mechanisms of DHA in gemcitabine (Gem)-resistant A549 (A549GR) cells. A549GR cells exhibited lower basal antioxidant capacity, higher level of...
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