Regulatory T cells with Th17 cells (IMAGE) University of California - Irvine Caption Regulatory T cells (green) shown interacting with pathogenic Th17 cells (red) near collagen fibers (blue) in the spinal cord in a model of multiple sclerosis. Credit UCI School of Medicine 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.