APC Ceta Catenin Colon (IMAGE) University of Kansas Caption This is mouse colon tissue stained for APC (red), b-catenin (green), and nuclei (blue). Credit The University of Kansas/KU News Service Usage Restrictions None 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.