Invasive Tumor Cells (1 of 2) (image) Rockefeller University Press Caption Tumor cells expressing p53 (left) have fewer focal adhesions (red) and lower levels of active p130Cas (green)—rendering them noninvasive—compared with p53-deficient tumor cells (right). Credit Yamauchi et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.