Mustafa Roof study (IMAGE) City of Hope Caption Led by Mustafa Raoof, M.D., M.S., City of Hope assistant professor of surgery, cancer genetics and epigenetics, researchers sought to identify mechanisms that allow PDAC cells to manage a high level of TRCs. Credit Photo credit: City of Hope Usage Restrictions Licensed content to City of Hope 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.