Human Cardiosphere-derived Exosome (IMAGE) Okayama University Caption In this study, exosomes were isolated from patient-derived cardiospheres and visualized using transmission electron microscopy. Credit Okayama University Hospital Usage Restrictions The image may only be used with appropriate caption or credit 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.