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CD4

American  

noun

  1. 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.

The team adapted the suppressor cells' anti-inflammatory abilities to work in CD4 immune cells.

From Science Daily • Dec. 5, 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

The typical range for CD4 cells is from 500 to 1,500 per cubic millimeter of blood.

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

Tests showed the patient was also HIV-positive, which he had not known, and that his blood had few CD4 cells, critical immune cells that HIV attacks.

From Science Magazine • Feb. 20, 2023