Researchers at the Medical University of Vienna have taken a closer look at a previously largely unknown component of the immune system: the protein molecule TRAT1 (T Cell Receptor Associated ...

A team has identified a previously unknown phase of the immune response. The results challenge long-standing assumptions about the process called 'T-cell priming'. These new insights have significant ...

CD4 T helper cells help the body fight infections by signaling other cells to attack germs. Without enough CD4 T cells, the body can't fight diseases like HIV and becomes immunocompromised. HIV ...

During infections, the immune system needs to distinguish foreign molecules from invading bacteria and viruses from molecules that are made by cells of the body. If it can’t, the immune system can ...