Kras (IMAGE) Michigan Medicine - University of Michigan Caption When Kras is turned off, early stage precancerous pancreatic lesions transform into normal pancreas cells. Credit University of Michigan Comprehensive Cancer Center Usage Restrictions For use in stories related to this research 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.