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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.

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

Postdoctoral researcher and study co-author Ashley Bennett offers a play-by-play: As the virus feels for its best attachment point on a human T-cell, the host cell's CD4 receptor is the first thing it latches onto.

From Science Daily • Feb. 2, 2024

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

From New York Times • Feb. 21, 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

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

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