Immune cells producing IL-17 (IMAGE) Weill Cornell Medicine Caption Immune cells producing IL-17 (green) within a sample of the dura membrane that surrounds the brain. IL-17 may promote dementia in those with high blood pressure. Endothelial cells that line blood vessels are tagged magenta. Credit Iadecola Lab Usage Restrictions None 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.