Stem Cell Survival (IMAGE) Johns Hopkins Medicine Caption This image shows luminescent stem cells transplanted into mice alone (left) and with helper cells (right) one day after transplantation. Credit Yajie Liang Usage Restrictions Must be credited to Yajie Liang, Johns Hopkins University School of Medicine 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.