Lead author Ramesh A. Shivdasani, MD, PhD (IMAGE) Dana-Farber Cancer Institute Caption Ramesh A. Shivdasani, MD, PhD Credit Sam Ogden 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.