A Stem Cell Colony (IMAGE) Salk Institute Caption The success of the new technique suggests the possibility of implanting these tweaked cells back into a patient so they can generate an immune system. Though the new work, published March 12, 2015 in Cell Stem Cell, is preliminary, it could offer a potentially less invasive and more effective approach than current options. Credit Salk Institute Usage Restrictions with credit 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.