A new control system for synthetic genes (IMAGE) Massachusetts Institute of Technology Caption Using an approach based on the CRISPR gene-editing system, MIT researchers have developed a new way to precisely control the amount of a particular protein that is produced in mammalian cells. Credit Matthew Daniels Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.