the team found that naive T cells—cells that have never encountered an antigen—and memory T cells were more likely to take up telomeres. Meanwhile, various types of effector T cells are less likely to ...

Cytotoxic T cells are an important component of the immune system. Once activated, they differentiate into either short-lived effector cells or long-lived memory cells. Studies by researchers at ...

“The compartmentalization [of naive T cells] is the biggest story.” Previous studies of immune cell populations in people relied on blood samples to pick up circulating T cells, but the Columbia team ...

T & B cells in aging The pool of naive cells is reduced, while effector memory and potentially dysfunctional late-differentiated cell numbers are increased. Expansion of antigen-specific T cells ...

The lower respiratory tract is covered with a 75 m 2 monolayer of epithelial cells that separate the outside world from the underlying vasculature and protect the interstitial tissue.