T cell [Neurosurgery Wiki]

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====== T cell ======

T-cells are a type of [[white blood cell]] that plays a crucial role in the [[immune response]] by recognizing and destroying abnormal cells, including cancer cells.

[[T-cell]]s or T [[lymphocyte]]s are a type of [[lymphocyte]] (itself a type of [[white blood cell]]) that play a central role in cell-mediated [[immunity]]. They can be distinguished from other lymphocytes, such as [[B cell]]s and [[natural killer cells]] (NK cells), by the presence of a [[T-cell receptor]] (TCR) on the [[cell surface]]. They are called T cells because they mature in the [[thymus]] (although some also mature in the [[tonsil]]s).
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T cells are generated in the Thymus and are programmed to be specific for one particular foreign particle ([[antigen]]). Once they leave the [[thymus]], they circulate throughout the body until they recognize their [[antigen]] on the surface of [[antigen-presenting cells]].

===== Subsets =====

There are several subsets of T cells, each with a distinct function.

There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response

===== Activated T cell =====

see [[Activated T cell]].

===== T cell cytotoxicity ======

[[T cell cytotoxicity]]



===== Memory T cell =====
[[Memory T cell]]s are [[antigen-specific T cell]].
===== Antigen-specific T cell =====

[[Antigen-specific T cell]]
===== T-cell lymphoma =====

[[T-cell lymphoma]]

===== T-cell immunotherapy =====

[[T-cell immunotherapy]].

===== T-cell engagers =====
[[T-cell engagers]]