The European Molecular Biology Organization organized a meeting in Prague October 1-3. At this symposium several topics were discussed: biology and genetics of mitochondria in relation to cancer; the role of mitochondria-targeting compounds in cancer suppression (including BH3 mimetics); mitochondria as transmitters of death receptor-induced apoptosis; regulation of apoptosis and the interplay of mitochondria with other organelles p53 and mitochondria in apoptosis regulation; and the role of mitochondria in targeting cancer stem cells. and Jiří Neužil, Ladislav Anděra a Alois Kozubík.