Dismantling Alzheimer's Disease (IMAGE) University of Pennsylvania School of Medicine Caption Alzheimer's fibers without DAPH (left). Note uniform fibers. Alzheimer's proteins with DAPH (right). Note fibers have broken up. Credit James Shorter, PhD, University of Pennsylvania School of 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.