Making Daughters Different 2 (of 2) (IMAGE) University of Pennsylvania School of Medicine Caption Listeria-specific T cell in final stages of cellular division. Using three dimensional microscopy, researchers were able to show how each new daughter cell inherited different types of proteins that regulate cell fate. Credit John Chang, M.D., and Steven Reiner, M.D., University of Pennsylvania School of Medicine; Science 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.