Dr. Johanna DiStefano (IMAGE) The Translational Genomics Research Institute Caption Dr. Johanna DiStefano, a TGen Professor and head of the institute's Diabetes and Fibrotic Disease Unit. Credit TGen 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.