Oligodendrocytes (IMAGE) Max-Planck-Gesellschaft Caption Transplantation of reprogrammed neural stem cells into the brains of genetically modified mice, which cannot form myelin. The stem cells develop oligodendrocytes (green), which form myelin (red). Credit Max Planck Institute for Brain Research 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.