CD8 cell


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Synonyms for CD8 cell

T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it

References in periodicals archive ?
CD4+, CD8+ and lymphocyte counts (mean [+ or -] SD) of patients according to their HTLV serology Laboratory HTLV serology Values/clinical Negative Status n 102 Symptomatic 50 CD4 cell counts 25 140 [+ or -] 177 CD8 cell counts 25 695 [+ or -] 403 Lymphocytes 50 887 [+ or -] 515 Asymptomatic * 73 CD4 cell counts 50 434 [+ or -] 281 CD8 cell counts 50 1,300 [+ or -] 883 Absolute lymphocyte count 72 2,013 [+ or -] 912 All patients 123 CD4 cell counts 75 334 [+ or -] 284 CD8 cell counts 75 1,112 [+ or -] 813 Absolute lymphocyte count 123 1,563 [+ or -] 952 Laboratory HTLV serology Values/clinical HTLV-I HTLV-II Status 25 0.
26) Another MACS study found that higher quotients of activated (CD38-positive) CD8 cells predicted progression to AIDS better than CD4 count, but researchers collected these cell samples from January through June 1992, in the days of one- and two-drug therapy.
In the body, CD8 cells can transform themselves into killers that seek out and destroy other cells infected by HIV.
The study focused on telomere length as a marker of replicative aging in CD8 cells, a subset of immune cells known as cytotoxic T-cells which kill virus-infected cells.
Arnason and his team are currently investigating immunoglobulin-like transcript 3, a protein that signals CD8 cells to shut down the immune response when it should be on.
The engineered stem cells developed into a large population of mature, multi-functional HIV-specific CD8 cells that could specifically target cells containing HIV proteins.
Researchers at UCLA have discovered a way to "amp up" the power of killer T cells known as CD8 cells in the immune system, making them more functional for longer periods of time and boosting their ability to multiply and expand within the body to fight melanoma.
They showed that looking at CD38 (mean fluorescence intensity) on memory type CD8 cells (CD45 RO+) improved the performance of their assay giving a receiver operator characteristics area under curve (AUC) of 0.
This may be of relevance in the natural history of HPV infection and cervical cancer since Tregs may be exerting a "dominant" form of immunotolerance on many different cell types such as NK and CD8 cells (40).
Offering classical and new techniques, they also cover a number of disciplines as they address the molecular mechanisms of allergy, culture of T-cells from peripheral blood, T-cell lines and human T-cell clones, human T-cell epitopes of allergens, restriction of T-cell responses, short-term culture of CD8 cells and intracellular cytokine staining, processing of certain T-regulatory cells, using monocyte-derives dentritic cells and antigen-presenters in T-cell proliferation and cytokine production, human cytokine responses, human chemokine production, standardization and characterization of allergen extracts, conjugation of haptens, monoclonal antibodies, air sample assays, hologene assays, microscopic identification of pollens, identification of mast cells, and in-situ hybridization.
T cell: A disease-fighting white blood cell, including CD4 and CD8 cells.
The analysis showed significantly more CD4 and CD3 cells among the rheumatoid arthritis patients, as well as a trend toward more CD8 cells.
In the laboratory, the scientists isolated the CD8 cells from a sample of the patient's white blood cells and mixed them with CD4 cells, and showed that these CD8 cells were involved in the killing process.