Jeffrey Karp, Harvard Stem Cell Institute (IMAGE) Harvard University Caption This is Jeffrey Karp, Ph.D., a Harvard Stem Cell Institute principal faculty member and associate professor at the Brigham and Women's Hospital, Harvard Medical School and Affiliate faculty at MIT. Credit Courtesy Brigham and Women's Hospital Usage Restrictions This image may only be used in conjunction with the attached release, or stories developed from it. 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.