CD8


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CD8

 (sē′dē-āt′)
n.
A glycoprotein that is found on the surface of certain T cells, especially cytotoxic T lymphocytes, and that functions to bind the T cell to molecules on the surface of the target cell that is to be killed.

[c(luster of) d(ifferentiation antigen) 8.]
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.CD8 - a membrane glycoprotein that is found primarily on the surface of cytotoxic T cells
glycoprotein - a conjugated protein having a carbohydrate component
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References in periodicals archive ?
Under the Phase II clinical trial, the company will enroll metastatic cancer patients and will study the correlation of imaging signals observed using its CD8 T cell ImmunoPET imaging agent, standard-of-care scans, and immunohistochemistry analysis of CD8 in biopsied tissues.
[USA], May 18 (ANI): Researchers have shown how skin vaccination can produce protective CD8 T-cells that are recruited to the genital tissues and could be used as a vaccination strategy for sexually transmitted infections (STIs).
En las mediciones del perfil lipidico y los componentes inmunologicos, se hallaron diferencias estadisticamente significativas entre las personas con VIH-1 y los controles para los valores de HDL, el recuento de LT CD4, relacion CD4/CD8 y el mRNA IL-18 que fueron mayores en los controles y para los valores de recuento de LT CD8, mRNA NLRP1 y mRNA ASC que presentaron valores mas altos en las personas con VIH-1 (tabla 2).
Simultaneous expression of CD4 and CD8 antigens by a substantial proportion of resting porcine T lymphocytes.
In peripheral blood, CD4+CD8-CD3- cells represent double positive cells lacking CD8. CD4+CD8-CD3- should develop with comparable kinetics as the CD4+CD8+ double positive cells [34].
Hence, we relied on the three most important markers, namely CD4, CD8, and CD3 (surface and cytoplasmic), to study the immunophenotypic characteristics based on the European Group for the Immunological Characterization of Leukemia's (EGIL) classification.
According to the median number of stained cells (CD3, 80/0.34 [mm.sup.2]; CD8, 35/0.34 [mm.sup.2]), patients were dichotomized into the high and low density group.
To determine if glutaraldehyde has an effect on Drosophila APC function, CD69 expression, proliferation, and cytotoxicity of CD8 T cells stimulated by glutaraldehyde-fixed Drosophila APC were assayed.
Immunoperoxidase studies showed expression of CD3, CD8, T-cell receptor-[beta]F1 (Figure 1, D) and T-cell intracytoplasmic antigen-1 (TIA-1; Figure 2, A) with a low proliferation index (<10%) (Figure 2, B).
Antihuman CD3 conjugated with PECy7 and anti-human CD8 conjugated with APC-Cy7 were obtained from BioLegend (San Diego, CA).
In the following step, the same parts were selected in each lymph node on the slides with reaction to CD8, CD25, Foxp3, and CTLA-4, respectively.