T cell in tumor (VIDEO) University of Minnesota This video is under embargo. Please login to access this video. Caption This video shows cytotoxic T cells migrating through pancreatic tumors. University of Minnesota Twin Cities researchers are working to engineer cytotoxic T cells so they are better able to overcome the tumor's barriers and fight cancer cells. Credit Provenzano Group, University of Minnesota Usage Restrictions Please credit the image 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.