نتایج جستجو برای: cytotoxic t cells
تعداد نتایج: 1928401 فیلتر نتایج به سال:
Naive T cells differentiate into various effector T cells, including CD4(+) helper T cell subsets and CD8(+) cytotoxic T cells (CTL). Although cytotoxic CD4(+) T cells (CD4 +: CTL) also develop from naive T cells, the mechanism of development is elusive. We found that a small fraction of CD4(+) T cells that express class I-restricted T cell-associated molecule (CRTAM) upon activation possesses ...
Experiments were conducted to determine whether human lymphokine-activated killer (LAK) cells are cytotoxic against cells infected with Toxoplasma gondii. Nylon wool nonadherent (NWNA) peripheral blood lymphocytes, as well as purified natural killer cell (NK) (CD3CDt6 + CD56 +) and T (CD3 + CD16CD56-) cells obtained from five healthy T. gondii seronegative volunteers exhibited minimal cytotoxic...
Experiments were conducted to determine whether human lymphokine-activated killer (LAK) cells are cytotoxic against cells infected with Toxoplasma gondii. Nylon wool nonadherent (NWNA) peripheral blood lymphocytes, as well as purified natural killer cell (NK) (CD3- CD16+ CD56+) and T (CD3+ CD16- CD56-) cells obtained from five healthy T. gondii seronegative volunteers exhibited minimal cytotoxi...
The involvement of Fc- and Fc+ T cells, separated on the fluorescence-activated cell sorter, in proliferative and cytotoxic responses to alloantigens was examined. The cytotoxic lymphocytes generated by in vivo exposure to allogeneic tumor cells were shown to express the Fc receptor. The proliferative responses to alloantigen exposure in mixed lymphocyte cultures was equivalent in intensity for...
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