Heart Muscle Cells (image) Salk Institute Share Print E-Mail Caption In a dish, heart muscle cells return to a precursor-like state after pro-regenerative treatment with microRNA inhibitors. Green shows a disorganized cardiomyocyte cytoskeleton indicative of cell dedifferentiation; red shows mitochondrial organization. Credit Salk Institute Usage Restrictions with credit Share Print E-Mail 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.