Purdue University Tumor Technology (IMAGE) Purdue University Caption This image shows NK cells killing tumor cells. A Purdue University cancer innovator and his team have developed a promising new approach to treating deadly brain tumors. Credit Purdue University/Sandro Matosevic 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.