Yanhong Shi study (IMAGE) City of Hope Caption Led by Yue Qin, Ph.D., Qi Cui, Ph.D., and Yanhong Shi, Ph.D., City of Hope chair of neurodegenerative diseases, director of stem cell biology research and the Herbert Horvitz Professor in Neuroscience, the research team genetically modified human pluripotent stem cells to remove NKG2A and transform them into NK cells, according to a Cell Reports study. Credit Photo credit: City of Hope Usage Restrictions Licensed to City of Hope 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.