Graph (IMAGE) University of Vienna Caption Researchers demonstrate that a novel biochemical checkpoint in these cells can inhibit the growth of cells that support cancer cell growth. Credit © Wolfram Weckwerth Usage Restrictions The image may only be used with appropriate caption or 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.