CD4 cell

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CD4 cell

n.
An activated helper T cell that expresses the CD4 receptor on its surface. Also called T4 cell.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun1.CD4 cell - T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus
T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Early initiation of treatment (CD4+ cell count [greater than or equal to] 500 cells/m[m.sup.3]), usually provides conditions to a successful immune restoration.
Moreover, the CD4+ cell count was important for determining the prognosis of patients.
Socio-demographic variables and laboratory results including platelets, CD4+ cell count, and viral load were obtained from medical records.
Impact on life expectancy of HIV-1 positive individuals of CD4+ cell count and viral load response to antiretroviral therapy.
Jeremiah et al., "CD4+ cell count for the initiation of antiretroviral therapy (ART) in resource-limited settings," International Journal of Biomedical Laboratory Science, vol.
Predictors of long term term increase in CD4+ cell counts in human immunodeficiency virus infected patients receiving a protease inhibitors containing anti-retroviral regime, Journal of Infectious Disease; 185: 417-480.
Cost-effectiveness of serum cryptococcal antigen screening to prevent deaths among HIV-infected persons with a CD4+ cell count < or = 100 cells/microL who start HIV therapy in resource-limited settings.
AIDS was defined as CD4+ cell count of <200 cells/[micro]l in patients infected with HIV.
It was soon established that the functional deficit of IL-2 occurred even in the majority ofasymptomatic patients with HIV, and that the degree of reduced IL-2 production predicted the subsequent decline in CD4+ cell counts [3,4], and also predicted subsequent HIV-associated morbidity and mortality [5].
Prolonged use of HAART and higher CD4+ cell counts were both associated with a reduced risk of menstrual problems, due to the women's better overall health.
Her history included lack of response to highly active antiretroviral therapy (HAART), and she exhibited HIV viremia of 413,624 copies/mL, a low CD4+ cell count (5/[mm.sup.3]), and leukopenia (3.0 x 103/[mm.sup.3]).
The Indications and Usage section the HIV drug's label now cautions again starting nevirapine treatment in women with CD4+ cell counts greater than 250 cells/[micro]L unless benefits clearly outweigh risks.