The Many Faces of Calcium and Cancer (IMAGE) University of Pennsylvania School of Medicine Caption Inhibition of low-level endoplasmic reticulum-to-mitochondria calcium ion transfer is toxic, specifically to cancer cells. An unexpected dependency on this transfer to mitochondria exists for a viability of tumorigenic cells, suggesting that mitochondrial calcium ion addiction is a novel feature of cancer cells. Credit The lab of Kevin Foskett, Ph.D., Perelman School of Medicine, University of Pennsylvania Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.