Contracting Cardiomyocystes (video) Cell Press Loading video... Caption Human ESCs generated from SCNT embryos were capable of differentiating into a variety of cell and tissue types including contracting heart cells. Credit Cell, Tachibana et al. Usage Restrictions Credit Required 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.