faculty (IMAGE) UT Southwestern Medical Center Caption Zhimin Gu, Ph.D., postdoctoral fellow, Children's Medical Center Research Institute at UT Southwestern (CRI), and Jian Xu Ph.D., associate professor, CRI Credit UT Southwestern Medical Center 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.