نتایج جستجو برای: cytotoxic t lymphocytes
تعداد نتایج: 773703 فیلتر نتایج به سال:
The immune synapse provides an important structure for communication with immune cells. Studies on immune synapses formed by cytotoxic T lymphocytes (CTLs) highlight the dynamic changes and specialised mechanisms required to facilitate focal signalling and polarised secretion in immune cells. In this Cell Science at a Glance article and the accompanying poster, we illustrate the different steps...
objective: the use of bacterial plasmids carrying specific genes of pathogens as genetic vaccines is a relatively new technique for induction of cellular immune responses against microbial pathogens. mechanisms of production of specific immune responses against these vaccines are not still completely understood. therefore, it is necessary to examine various routes of inoculation to find the bes...
We compared the cytotoxic activities of thymus-dependent and thymus-independent CD8(+) T cells. Thymus-dependent CD8(+) T cells, which are foreign antigen specific, acquired cytotoxic activity to tumor cells with a basal dose of the antigen peptides and to hybridoma cells expressing anti-TCR mAb only after differentiation into effector cytotoxic T lymphocytes (CTL). In contrast, thymus-independ...
Cytotoxic T lymphocytes (CTL) help control virus infections by killing virus-infected (target) cells. How fast do CTL find and kill target cells in vivo? Experiments allow us to follow populations of labeled target cells after their transfer into immune mice where they are killed by CTL. Here, we develop models of the migration and killing processes involved in these experiments and use them to...
The studies reported herein were designed to determine the effects of allogeneic effect factor (AEF), a soluble mediator generated in the course of allogeneic cell interactions, on the differentiation of cytotoxic T lymphocytes in vitro. Normal, unprimed spleen cells from various strains of mice cultured with AEF for 5 days, in the absence of any stimulator cells, developed into cytotoxic lymph...
human t-cell lymphotropic virus type 1 (htlv-1) is associated with adult t-cell leukemia/lymphoma (atl) and htlv-1-associated myelopathy/tropical spastic paraparesis (ham/tsp). only a limited percentage of infected individuals develop disease in response to the virus while the majority remain asymptomatic and ham/tsp is the most common clinical manifestation of the virus. ham/tsp is an inflamma...
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