Stem Cells (IMAGE) Johns Hopkins Medicine Caption LEFT: Neural stem cells transformed with cancer-causing genes found in high-risk medulloblastoma grow as translucent spheres in cell culture (magnification = 200X). RIGHT: Low magnification view of transformed neural stem cells (blue) invading and destroying normal brain tissue (pink) in mice. Credit Allison Hanaford and Eric Raabe Usage Restrictions None 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.