RNA Modification (image) University of Chicago Caption University of Chicago graduate student Xiao Wang and her colleagues based the results of their Nature paper on RNA modification on analysis of HeLa cells, a line of human cells widely used in laboratory research. Credit Rob Kozloff/University of Chicago Usage Restrictions News organizations may use this image in connection with reports about the research of Chuan He and his associates. 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.