Tumor-Derived Exosomes (IMAGE) Boston Children's Hospital Caption Tumor-derived exosomes (red, arrows) cross the blood brain barrier and are taken up by astrocytes (green) in mouse brain tissue. Credit <em>ACS Nano</em> 2019; <a href="http://doi.org/10.1021/acsnano.9b04397" target="_blank">doi.org/10.1021/acsnano.9b04397</a> 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.