Featured News New clues found to immune system’s misfiring in autoimmune diseases Washington University School of Medicine • June 2, 2016July 8, 2020 Genetic master switches that turn up – or down – the activity of specific types of immune cells have been identified by a team of researchers at Washington University School of Medicine in St. Louis. The regions of DNA that make up these master switches include numerous genetic variants linked to a range of autoimmune diseases. View Content