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T cell
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T cells are an important part of the immune system and play a central role in the adaptive immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell receptor on
Scanning electron micrograph of a red blood cell (left), a platelet (center), and a T lymphocyte (right); colorized
Scanning electron micrograph of a red blood cell (left), a platelet (center), and a T lymphocyte (right); colorized
HIV-infected T cell
HIV-infected T cell
Depiction of the various key subsets of CD4-positive T cells with corresponding associated cytokines and transcription factors.
Depiction of the various key subsets of CD4-positive T cells with corresponding associated cytokines and transcription factors.
Cytotoxic T cell
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A killer T cell is a T lymphocyte that kills cancer cells, cells that are infected by intracellular pathogens such as viruses or bacteria, or cells that are damaged in other ways.
T cell
…in controlling and shaping the immune response. One of these functions is immune-mediated cell death, and it is carried out by two major subtypes: CD8+ "killer" (cytotoxic, Effector tumor antigen-specific T cells) and CD4+ "helper" T cells, each respectively named for the presence of proteins CD8 or CD4 on the…
Development of single positive T cells in the thymus
Development of single positive T cells in the thymus