Immune Cells Absorbing Amyloid Beta (IMAGE) University of California - Los Angeles Caption Blood cells from 12 control subjects (left) and blood cells from 12 Alzheimer's disease patients (right) were tested with amyloid-beta with a green fluorescent marker. Note that all 12 samples from control group show monocytes (red) loaded with amyloid-beta (green), whereas samples from Alzheimer's patients had monocytes (red) that did not take up any green or took up only a minute amount. Credit UCLA 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.