Microglia in the Alzheimer's Brain (IMAGE) University of California - Irvine Caption Microglia, shown in red, surround and react to the amyloid-beta plaques, shown in green, in the Alzheimer's disease brain. Credit Kim Green lab / UCI 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.