RNA-transfected Fibroblasts (IMAGE) Massachusetts Institute of Technology Caption MIT researchers used RNA to induce these fibroblast cells to express four genes necessary to reprogram cells to an immature state. Credit Yanik Laboratory, MIT Usage Restrictions With provided caption and credit 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.