An antigen-presenting cell (APC) or accessory cell is a cell that displays an antigen bound by major histocompatibility complex (MHC) proteins on its surface;...
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T-cell receptor (TCR) is a protein complex found on the surface of T cells, or T lymphocytes, that is responsible for recognizing fragments of antigen as...
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number of parasite antigens. Antigen-presenting cells present antigens in the form of peptides on histocompatibility molecules. The T cells selectively recognize...
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Artificial antigen presenting cells (aAPCs) are engineered platforms for T-cell activation. aAPCs are used as a new technology and approach to cancer immunotherapy...
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cell (DC) is an antigen-presenting cell (also known as an accessory cell) of the mammalian immune system. A DC's main function is to process antigen material...
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antigen-presenting cell, a process known as presentation. If there has been an infection with viruses or bacteria, the cell antigen-presenting cell will...
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professional antigen-presenting cells (APCs). Professional antigen-presenting cells are primarily dendritic cells, macrophages and B cells, although dendritic...
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cell. If the TCR is specific for that antigen, it binds to the complex of the class I MHC molecule and the antigen, and the T cell destroys the cell....
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Antigen processing, or the cytosolic pathway, is an immunological process that prepares antigens for presentation to special cells of the immune system...
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addition, B cells present antigens (they are also classified as professional antigen-presenting cells, APCs) and secrete cytokines. In mammals B cells mature...
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antibodies in response to being presented specific substances called antigens. These antibodies are transported from the plasma cells by the blood plasma and...
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The human leukocyte antigen (HLA) system is a complex of genes on chromosome 6 in humans that encode cell-surface proteins responsible for regulation...
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An antigen-presenting cell vaccine, or an APC vaccine, is a vaccine made of antigens and antigen-presenting cells (APCs). As of March 2019[update], the...
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Cross-presentation (section Cross-presenting cells)
professional antigen-presenting cells (mostly dendritic cells) to take up, process and present extracellular antigens with MHC class I molecules to CD8 T cells (cytotoxic...
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when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated...
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biology, chimeric antigen receptors (CARs)—also known as chimeric immunoreceptors, chimeric T cell receptors or artificial T cell receptors—are receptor...
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Co-stimulation (section T cell co-stimulation)
signal which immune cells rely on to activate an immune response in the presence of an antigen-presenting cell. In the case of T cells, two stimuli are required...
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MHC class II (redirect from Hla-d antigens)
professional antigen-presenting cells such as dendritic cells, macrophages, some endothelial cells, thymic epithelial cells, and B cells. These cells are important...
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Adaptive immune system (section Antigen presentation)
and T cells could not function without the innate system input. T cells are useless without antigen-presenting cells to activate them, and B cells are disabled...
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Trogocytosis (section Cell types)
gnaw) is when a cell nibbles another cell. It is a process whereby lymphocytes (B, T and NK cells) conjugated to antigen-presenting cells extract surface...
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Polyclonal B cell response is a natural mode of immune response exhibited by the adaptive immune system of mammals. It ensures that a single antigen is recognized...
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In order for a T cell to be activated and produce an immune response, an antigen-presenting cell must present two signals to the T cell. One of those signals...
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or by antigen presented by antigen-presenting cells (APCs) such as dendritic cells (DCs). B cells may also be activated by binding foreign antigen in the...
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Phagocyte (redirect from Phagocytic cell)
"present" them to other cells of the immune system. There are two "professional" antigen-presenting cells: macrophages and dendritic cells. After engulfment...
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specialized antigen-presenting cell delivers signal 1; interaction of co-stimulatory molecules on antigen-presenting cells with receptors on T cells delivers...
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activated effector T cells after encountering antigen-presenting cells (APCs). These APCs, such as macrophages, dendritic cells, and B cells in some circumstances...
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Immunological synapse (section NK-cell synapse)
the interface between an antigen-presenting cell or target cell and a lymphocyte such as a T cell, B cell, or natural killer cell. The interface was originally...
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up antigen from the lumen of the small intestine via endocytosis, phagocytosis, or transcytosis. Antigens are delivered to antigen-presenting cells, such...
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professional antigen presenting cells, with T-cell receptors, on T cells. In typical T-cell recognition, an antigen is taken up by an antigen-presenting cell, processed...
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(IELs). The antigenic molecules that activate γδ T cells are largely unknown. γδ T cells are peculiar in that they do not seem to require antigen processing...
35 KB (4,472 words) - 00:20, 13 June 2024