FOX3 mutations in humans causing IPEX syndrome identified by Brunkow and Ramsdell.
In 2001, Mary E. Brunkow and Fred Ramsdell identified that mutations in the human FOXP3 gene caused the severe autoimmune condition known as IPEX syndrome. This syndrome is characterized by immune dysregulation, polyendocrinopathy, and enteropathy, establishing a direct link between FOXP3 and regulatory T cell function in humans. Their published research demonstrated how disruptions in immune regulation could lead to catastrophic health effects, providing a genetic basis for new therapeutic approaches in treating autoimmune disorders.