STAT5 Protects Against Liver Cancer (image) Rockefeller University Press Caption In the absence of STAT5, expression of STAT3 (red) surges. Credit DOI: 10.1084/jem.20080003 Usage Restrictions Journalists may freely use these materials in news coverage with appropriate credit information stated. 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.