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CD4

American

noun

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

Etymology

Origin of CD4

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

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

They analyzed the amount of H.I.V. and the number of CD4 cells, a type of immune system cell, in these patients.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023