CD4

American  

noun

1. a protein on the surface of T cells and other cells, functioning as a receptor for the AIDS virus antigen.

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Etymology

Origin of CD4

1980–85; c(luster of) d(ifferentiation) 4

Example Sentences

However, this new study suggests that guidelines should consider risk factors like previous opportunistic illnesses or having had a CD4 count below 200.

From Science Daily • May 7, 2024

ART works so powerfully that it virtually shuts down the ability of these integrated viral genes to make new HIVs, but some of the infected CD4 cells remain in various tissues—the reservoirs.

From Science Magazine • Mar. 7, 2024

Together, the new findings underscore the importance of specific studies on the immune response among people with HIV, especially those with lower CD4 white blood cells.

From Science Daily • Jan. 12, 2024

All 27 deaths in the study were among people who had fewer than 200 CD4 cells.

From New York Times • Feb. 21, 2023

Of the 179 patients with less than 200 CD4 cells per microliter—more than 500 is considered normal—27 died.

From Science Magazine • Feb. 20, 2023