An illustration of a CD4+ T cell engulfing a dendritic cell. A new study finds that specialized receptors gave CD4+ T cells the ability to kill HIV-infected dendritic cells in culture. ISTOCK, ...

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 ...

Studies over more than a decade have generated a picture of how the external Env subunit (gp120) interacts first with the primary receptor (CD4) and then with a co-receptor (a chemokine receptor ...

Most HIV-negative adults have between 500 and 1500 CD4 cells in a cubic millimeter of blood. However, due to natural variation some people may have a CD4 count slightly outside the general range. It ...