History Arsenic is a ubiquitous element that is a potential carcinogen and teratogen and can cause adverse developmental outcomes. Results We show that treatment of MEMM cells with the pentavalent form of inorganic arsenic resulted in caspase-mediated apoptosis accompanied by generation of ROS and disruption of mitochondrial membrane potential. Treatment with caspase inhibitors markedly blocked… Continue reading History Arsenic is a ubiquitous element that is a potential carcinogen