Hotspots of Aberrant Reprogramming (1 of 2) (image) Salk Institute Share Print E-Mail Caption The reprogramming process leaves indelible marks in the methylation profile of induced pluripotent stem cells. Credit Courtesy of Dr. Ryan Lister, Salk Institute for Biological Studies Usage Restrictions For one time use only. Share Print E-Mail 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.