Medically reviewed by Steffini Stalos, DO Key Takeaways 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 ...

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 ...

Study reveals that moderate fever temperatures (39°C) improve metabolism, proliferation, and effector function of CD4 T cells while reducing regulatory T cell suppression. Study: Subset-specific ...

Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During ...

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 ...

There are two types of Tph cells in rheumatoid arthritis joints that have different roles. Stem-like Tph cells live inside immune “hubs” called tertiary lymphoid structures, where they interact ...