Mouse (image) UT Southwestern Medical Center Share Print E-Mail Caption Toxic amyloid plaques (red) and tau tangles (brown) form on the brain of a mouse modeled to have Alzheimer's disease. A study shows a DNA vaccine reduces both amyloid and tau in the mouse AD model, with no adverse immune responses. Credit UT Southwestern Usage Restrictions None Share Print E-Mail 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.