Muscle On-a-Chip Models Cardiac Stem Cell Therapy (VIDEO) Rockefeller University Press This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption A two-cell "microtissue" contains a mouse embryonic stem cell-derived cardiomyocyte and a mouse neonatal cardiomyocyte. The lower panel shows the traction forces generated as the two cells contract; the stronger, neonatal cardiomyocyte produces more force than the weaker, stem cell-derived cardiomyocyte. Credit Aratyn-Schause, Y. et al. <em>J Cell Biol.<em> 2016 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.