Cardiomyocytes (IMAGE) University of North Carolina Health Care Caption These cardiomyocytes (green with blue nuclei) had been fibroblasts before Frank Conlon's UNC lab reprogrammed them. Credit Conlon Lab, UNC-Chapel Hill Usage Restrictions credit properly 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.