Microglia and beta amyloid (IMAGE) Nanyang Technological University Caption An image of brain immune cells called microglia (green) clustering around a build-up of toxic beta amyloid (red). Credit LKCMedicine/NTU Singapore Usage Restrictions Use with mandatory credit License Original 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.