Figure 2. (IMAGE) Science China Press Caption Mitochondrial targeting and cytotoxic activity values of Ru-rhein. A549: lung cancer cancer cells; A2780: ovarian cancer cells; MCF-7: breast cancer cells and HLF: normal lung cells. Credit @Science China Press Usage Restrictions Use with credits 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.