Microscopy (IMAGE) Weill Cornell Medicine Caption Microscopy shows that the main cell types that take up tumor-derived exosomes in brain tissue are endothelial cells (red) and microglia (green), which are often found in close vicinity to blood vessels. Credit Gonçalo Rodrigues and Dr. David Lyden 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.