Interferon-gamma Keeps Over-aggressive Immune Responses In Check

... Regulatory T cells (Tregs) are a specialized subpopulation of T cells that act to suppress overactivation of the immune system and prevent it from turning upon self-tissues.Initially, the expression of two cell surface molecules (CD4 and CD25) was used to define the Treg population of cells; as such they are often referred to as CD4+CD25+ Tregs. [click link for full article] ...