Sall4 Promotes DNA Repair (IMAGE) Rockefeller University Press Caption This is an illustrated model for the role of Sall4 in activating ATM to repair DNA damage in embryonic stem cells. Credit Xiong et al., 2015 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.