Mitochondrial inhibitor (IMAGE) Karolinska Institutet Caption The small-molecule inhibitors (green) target the expression of mitochondrial DNA and cause a cellular energy crisis in cancer cells to stop their growth. Illustration: Mattias Karlén Credit Mattias Karlén Usage Restrictions This image may only be used in connection to reports about the study in Nature by Nils-Göran Larsson et al, December 2020. 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.