Phung Thai and Padmini Sirish (IMAGE) University of California - Davis Health Caption Researchers Phung Thai (left) and Padmini Sirish were part of a research team seeking stem cell solutions to heart failure care. Credit UC Regents / UC Davis Health Usage Restrictions Use credit as shown. 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.