Hope for Heart Attack Patients (IMAGE) Fraunhofer-Gesellschaft Caption GFP-iPS cell-derived CPCs (green) injected into the heart of a living mouse (red), integrate into functional cardiac muscle tissue. Cell nuclei are blue. Credit Fraunhofer IGB 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.