A variety of key events in apoptosis focus on mitochondria, including the release of caspase activators (such as cytochrome c), changes in electron transport, loss of mitochondrial transmembrane potential, altered cellular oxidationreduction, and participation of pro- and anti-apoptotic Bcl-2 family proteins. BioVision offers a number of products for detecting the apoptosis related mitochondrial activity and changes by flow cytometry, western blot, bioluminescence, fluorescence microscopy, and plate readers, etc.