نتایج جستجو برای: dr molecule and pbmc proliferation
تعداد نتایج: 16876295 فیلتر نتایج به سال:
Abstract Mouse NK cells recognize MHC-I antigens via stochastically expressed inhibitory Ly49 receptors. The loss of expression on tumor (“missing self”) abrogates signals, resulting in activation. We have identified an anti-mouse pan mAb (M1/42), which blocks Ly49-MHC-I interactions but not TCR-MHC-I interactions. Administration M1/42 vivo markedly activated IFNg-producing that further drove t...
PURPOSE To investigate the effect of antioxidants and immunosuppresants on mixed peripheral blood mononuclear cells (PBMC) - chemically injured keratocytes reaction (MLKR). METHODS The PBMC stimulation assay was performed using chemically injured keratocytes treated with 0.05 N NaOH for 90 s (MLKR). MLKR were treated with various drugs including rapamycin, dexamethasone, mycophenoleic acid (M...
Human T-cell leukemia virus type 1 (HTLV-1) is the etiologic agent of adult T-cell leukemia, a disease that is triggered after a long latency period. HTLV-1 is known to spread through cell-to-cell contact. In an attempt to study the events in early stages of HTLV-1 infection, we inoculated uninfected human peripheral blood mononuclear cells and the HTLV-1-producing cell line MT-2 into NOD-SCID,...
The cytokine profile of human peripheral blood mononuclear cells (PBMC) stimulated by staphylococcal enterotoxin (SE) A and B was examined. Production of tumor necrosis factor (TNF alpha), interleukin (IL)-1, IL-6, IL-2, and gamma interferon (IFN-gamma) was observed. In contrast, Th2 cytokines IL-4 and IL-10 were absent from SEA- or SEB-stimulated PBMC. Moreover, adding IL-10 to SE-stimulated P...
a hybridoma clone designated 6g5 has been selected by fusion of mouse myeloma cell line ag. 8653 with spleen cells from mice immunized with human peripheral blood mononuclear cells (pbmc). the antibody produced by this clone was found to be strongly reactive with four human b-cell lines in the conventional immunological assays. despite the fact that expression of most b cell-associated markers ...
Vanadium (V) is an element with wide industrial applications and environmental release. The object of this study was to determine the in vitro effects of high (10(-4) M) and low (10(-7) M) concentrations of sodium metavanadate (NaVO3) on cultured peripheral blood mononuclear cell (PBMC) proliferation, cytokine release, CD expression, and granulocyte O2- production. At 10(-4) and 10(-7) M, NaVO3...
The replication of porcine reproductive and respiratory syndrome virus (PRRSV) in lungs and lymphoid tissues of PRRSV-infected pigs is already strongly reduced before the appearance of neutralizing antibodies, indicating that other immune mechanisms are involved in eliminating PRRSV at those sites. This study aimed to determine whether PRRSV Lelystad virus (LV)-specific cytotoxic T-lymphocytes ...
a wide range of biological activities of garlic in vitro and in vivo have been verified including its antioxidant, antitumor and anti-inflammatory effects. indoleamine 2,3-dioxygenase (ido) is an enzyme widely distributed in mammals and is inducible preferentially by ifn-γ. ido degrades the essential amino acid tryptophan to form n-formyl kynurenine. in the present in vitro study, the modulator...
background: the ectopic expression of receptor tyrosine kinase ror1 has been reported in patients with hematological malignancies such as chronic lymphocytic leukemia and acute lymphoblastic leukemia. here we report, for the first time, expression of ror1 gene in both tumor tissues and peripheral blood mononuclear cells (pbmc) from patients with renal cancer (rc). methods: in the current study,...
The proliferation of peripheral blood mononuclear cells (PBMC) containing both monocyte/macrophages and T lymphocytes increased after treatment with T-cell mitogen (concanavalin A: Con A). PBMC treated with either leptin alone or combination of leptin and ConA showed enhanced proliferative activity by 10-40%, compared with those treated with ConA alone. In contrast, isolated T lymphocytes treat...
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