Induced Pluripotent Stem Cell (image) Medical University of South Carolina Share Print E-Mail Caption This image shows induced pluripotent stem cells expressing a characteristic cell surface protein called SSEA4 (green). Credit Image courtesy of Stephen A. Duncan, Ph.D., at the Medical University of South Carolina. All rights reserved. Usage Restrictions Journalists are free to use the image as long as they include the credit line. 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.