نتایج جستجو برای: cytotoxic t lymphocytes
تعداد نتایج: 773703 فیلتر نتایج به سال:
the immune responses that develop following epstien-barr virus (ebv) infection are complex and involve both humoral and to a greater extent cell-mediated immune mechanisms. to evaluate the immune response, flow cytometric analysis of the peripheral blood of six patients during the acute phase of ebv infection was performed. this analysis revealed a significant increase in the percentages and th...
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Most immunologists agree that CD8 T cells are important in controlling viruses, at least after the first week of infection – the time it takes for naive CD8 T cells to expand and differentiate into antiviral cytotoxic T lymphocytes (CTL). Nonetheless, CD8 T-cell measurements in HIV clinical studies show little relation to disease prognosis. There are two possible interpretations – either CD8 T ...
Cytotoxic T lymphocyte-associated antigen 4 (CTLA4) delivers inhibitory signals to activated T cells. CTLA4 is constitutively expressed on regulatory CD4(+) T cells (Tregs), but its role in these cells remains unclear. CTLA4 blockade has been shown to induce antitumor immunity. In this study, we examined the effects of anti-CTLA4 antibody on the endogenous CD4(+) T cells in cancer patients. We ...
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