cluster of differentiation 4

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Noun1.cluster of differentiation 4 - a glycoprotein that is found primarily on the surface of helper T cells; "CD4 is a receptor for HIV in humans"
glycoprotein - a conjugated protein having a carbohydrate component
References in periodicals archive ?
Surprisingly, the patient was seropositive for HIV infection and had a cluster of differentiation 4 (CD4) cell count of 274/[micro]l and viral load of 129,000 copies/ml.
The product enumerates the cluster of differentiation 4 (CD4) count, intended to determine the eligibility for initiation of Antiretroviral Therapy (ART), staging of the disease and HIV monitoring, the company added.

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