Targeting PPT1 (IMAGE) University of Pennsylvania School of Medicine Caption A model of Penn's new approach using DQ611 to target PPT1, which inhibits both mTOR and autophagy. Credit Penn Medicine 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.