نتایج جستجو برای: killer cells
تعداد نتایج: 1392378 فیلتر نتایج به سال:
Invariant natural killer T cells have a distinct developmental pathway from conventional αβ T cells. Here we demonstrate that the transcriptional repressor NKAP is required for invariant natural killer T cell but not conventional T cell development. In CD4-cre NKAP conditional knockout mice, invariant natural killer T cell development is blocked at the double-positive stage. This cell-intrinsic...
Suppression of the immune system after the resolution of infection or inflammation is an important process that limits immune-mediated pathogenesis and autoimmunity. Several mechanisms of immune suppression have received a great deal of attention in the past three decades. These include mechanisms related to suppressive cytokines, interleukin (IL)-10 and transforming growth factor (TGF)-β, prod...
For μ given latin squares of order n, they have k intersection when they have k identical cells and n − k cells with mutually different entries. For each n ≥ 1 the set of integers k such that there exist μ latin squares of order n with k intersection is denoted by I[n]. In a paper by P. Adams et al. (2002), I[n] is determined completely. In this paper we completely determine I[n] for n ≥ 16. Fo...
Human interleukin-2 (IL-2), OK-432 and mouse interferon-gamma (IFN-gamma) were evaluated for their beneficial effects on in vitro induction of nonspecific killer cells by concanavalin A (Con A). Nonspecific killer cells could be induced by culturing C57BL/6 spleen cells for 4 days with Con A. Con A activated killer cells showed direct cell-mediated cytotoxicity (DCMC) and lectin-dependent cell-...
The death rates of lung cancer have ranked first in the world. Many patients are at advanced stage when diagnosed; therefore, they miss optimal operative period. And some patients cannot endure radiotherapy or chemotherapy. The present study investigated the antitumor effects of cocultured dendritic cells and cytokine-induced killer cells on human non small cell lung cancer (NSCLC) and the pote...
Sixteen wine fermentations were examined for the presence of killer yeasts. Killer property and sensitivity to killer action were found in isolates of Saccharomyces cerevisiae but not in isolates of Kloeckera, Candida, Hansenula, and Torulaspora spp. Several killer and killer-sensitive strains of S. cerevisiae were differentiated by colony morphology, and this property was used to monitor their...
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