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

Additionally, they aim to explore the role of non-classical CD4 T cells and HLA class II in cancer biology, opening the door for potential progress in the mitigation and treatment of cancer.

From Science Daily • Feb. 22, 2024

Mpox killed nearly 30 percent of those with fewer than 100 CD4 cells.

From New York Times • Feb. 21, 2023

In the cases where people had few CD4 cells, mpox’s normally small skin lesions grew into large necrotizing patches and their infection sometimes spread to the lungs or caused severe secondary infections with bacteria.

From Science Magazine • Feb. 20, 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