Cardiomyocyte Growth Substrate (IMAGE) Michigan Technological University Caption Programming induced pluripotent stem cells into heart muscle cells requires biochemical and biomechanical cues. Growing the cells in a three-dimensional substrate that mimics the natural heart environment produces better cells. Credit Parisa Pour Shahid Saeed Abadi/Michigan Tech Usage Restrictions Please properly credit photo. 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.