The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T cells, that move throughout your body to find and destroy bacteria ...

T cells are a type of white blood cell that is central to your immune defense. There are four types which serve different functions: This article will guide you through how CD4 and CD8 cells interact, ...

The decrease in CD4 cells during HIV infection seems to be driven by immune activation, which does not always correlate with viral load. Experienced clinicians are all too familiar with the ...

What Is a CD4 Count? The CD4 test is one of the more familiar testing assays known to people with HIV. The test measures the level of CD4 helper T-cells in the blood—cells that are not only vital to ...

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

Acquired Immunodeficiency Syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the Human Immunodeficiency Virus (HIV). By damaging the ...

A new rule from the Biden administration allows organ transplants from HIV-positive donors to HIV-positive recipients.

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 ...

Nov. 26, 2024 — Scientists have shed new light on how certain biological processes determine the development of neural cells. Their findings on a molecular 'bridge' complex demonstrate a new ...

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 ...