In this cross-sectional study, researchers explored immune activation as a possible mechanism for this seemingly paradoxical response to HIV infection. CD4-cell counts and T-cell activation levels ...

“Helper” T-cells pack more of a punch against tumors than first thought CD4+ T-cells, primarily considered to play a ...

Once your CD4 count goes up in response to ART, you may be able to ... Your doctor can tell because your CD4 levels (sometimes called T cell levels) start to go up. Second, you become far less ...

Ley and colleagues show that negative selection only partially explains the difference between CD4 + T cell responses to self and foreign peptides and that PD-1 and CD73 synergistically limit the ...

these cells often remain inactive, limiting the immune system's response to the tumor. The stem-like CD4 T cells have the ...

HIV is a virus called human immunodeficiency virus that attacks your immune cells called CD4 T lymphocytes, which causes your immune system to fail. Without these cells, your body can’t fight ...