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CD8 cell |
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CD8 cell, CD8+ cell, a major classification of T lymphocytes, referring to those that carry the CD8 antigen; the major subtypes are the cytotoxic T lymphocytes and the suppressor cells. Also called CD8 T lymphocytes. CD8 cell, a T lymphocyte that secretes large amounts of gamma-interferon, a lymphokine involved in the body's defense against viruses. CD8 cells prevent the unnecessary formation of antibodies. Also called cytotoxic T cell. See also CD4. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The PP CD8+ cell numbers were significantly lower in the fat (-)-PN than in the chow group, whereas the FO- and SO-PN groups did not show significant reductions compared with the chow group. However, we found that no CD8+ cell colocalized with IL-4 (or IL-5) in the smokers with CB or CB + AO (12), thus leaving unresolved the question of the cellular origin of these two regulatory cytokines. This association of phenotype and function is not absolute, since CD4+ cells may exhibit lytic activity, while CD8+ cells secrete antiviral cytokines, notably interferon-[gamma] (IFN-[gamma]) and tumor necrosis factor. |
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