"You can think of them [Treg cells] as peacekeeper cells," said Pete Savage, PhD, Professor of Pathology at UChicago and senior author of the new study. Tregs obviously do their job well most of ...

Kenyan UN Peacekeeper Killed in an Ambush in the Central African Republic, Spokesperson Says BANGUI, Central African Republic (AP) — The United Nations on Saturday condemned the killing of a ...

During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and viruses from self-antigens that are expressed by cells of the body.