Tumor Growth (IMAGE) University of Utah Health Caption Many cancers have significantly less mitochondrial pyruvate carrier within them than normal adult cells. Mice were injected either with control colon cancer cells, or colon cancer cells in which mitochondrial pyruvate carrier had been re-introduced. The cancer cells with added MPC form tumors that are significantly smaller, at as little as one-fourth the size. Credit Ralph DeBerardinis Usage Restrictions Add photo credit 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.