Multiple Sclerosis (IMAGE) Université de Genève Caption In a multiple sclerosis, a cluster of lymphocytes T CD8+ (red) express TOX (green) within the nucleus (blue). Credit © UNIGE 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.