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 ...

Beyond the potential clinical application, the study sheds new light on T cell biology and how cells are directed towards specific lineages.

Researchers at the Center for Regenerative Medicine (CReM) at Boston Medical Center (BMC) and Boston University (BU) have ...

(Golser/E+/Getty Images) Today, the average human lives for about 71 years. A rare few people will see their 100th birthday, ...

Rare T cells become more common after age 100, suggesting that the immune system may continue adapting even in extreme old ...

Single-cell immune profiling found that CD4 cytotoxic T lymphocytes become more abundant around age 100, showing stepwise ...

The brain and spinal cord were once thought to enjoy immune privilege, meaning they were believed to be largely insulated from immune activity elsewhere in the body. In recent years, however, ...

As people age, their immunity declines and the risk of severe disease increases. In contrast, a small number of people manage ...

The immune system usually weakens with age, but one rare type of T cell becomes much more common in people who live past 110.