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Antigen presentation stimulates T cells to become either "cytotoxic" CD8+ cells or "helper" CD4+ cells.. A cytotoxic T cell (also known as T C, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8 + T-cell or killer T cell) is a T lymphocyte (a type of white blood cell) that kills cancer cells, cells that are infected by intracellular pathogens such as viruses or bacteria, or ...
In order to create sufficient auto-reactive killer T cells, interleukin-2 must be produced, and this is supplied by CD4 + T cells. CD4 + T cells can also stimulate cells such as natural killer cells and macrophages via cytokines such as interferon-gamma, encouraging these cytotoxic cells to kill host cells in certain circumstances.
Natural killer T (NKT) cells represent unusual cells of the innate immune system because they express a surface receptor that is generated by somatic DNA rearrangement, a hallmark of cells of the adaptive immune system. A hallmark of NKT cells is their capacity to rapidly produce copious amounts of cytokines upon antigenic stimulation ...
The second, called cytotoxic T cells or killer T cells, are designed to recognize tiny snippets of the virus inside cells and eliminate them. "T helper cells are like the generals of the immune ...
Antigen processing and presentation in MHC-I pathway. Cytotoxic T cells (also known as T c, killer T cell, or cytotoxic T-lymphocyte (CTL)) express CD8 co-receptors and are a population of T cells that are specialized for inducing programmed cell death of other cells.
The term "NK T cells" was first used in mice to define a subset of T cells that expressed the natural killer (NK) cell-associated marker NK1.1 (CD161). It is now generally accepted that the term "NKT cells" refers to CD1d-restricted T cells , present in mice and humans, some of which coexpress a heavily biased, semi-invariant T-cell receptor ...
In cell biology, a lymphokine-activated killer cell (also known as a LAK cell) is a white blood cell, consisting mostly of natural killer, natural killer T, and T cells that has been stimulated to kill tumor cells, but because of the function in which they activate, and the cells they can successfully target, they are classified as different than the classical natural killer and T lymphocyte ...
CD4+ T H 1 cells; CD8 + cytotoxic T cells (T c 1) T-Bet + interferon gamma producing group 1 ILCs(ILC1 and Natural killer cells) CD4 + T H 1 Cells. It has been found in both mice and humans that the signature cytokines for these cells are interferon gamma and lymphotoxin alpha.