Μετάφραση και ανάλυση λέξεων από την τεχνητή νοημοσύνη ChatGPT
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cytotoxic B lymphocyte - translation to Αγγλικά
общая лексика
К-клетка (цитотоксический B-лимфоцит, относящийся к категории нулевых клеток)
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![Basic B cell function: bind to an antigen, receive help from a cognate helper T cell, and differentiate into a [[plasma cell]] that secretes large amounts of antibodies](https://commons.wikimedia.org/wiki/Special:FilePath/B cell function.png?width=200 "Basic B cell function: bind to an antigen, receive help from a cognate helper T cell, and differentiate into a [[plasma cell]] that secretes large amounts of antibodies")
.png?width=200 "3D rendering of a B cell")
![Histology of a normal [[lymphoid follicle]], with germinal center in the middle.](https://commons.wikimedia.org/wiki/Special:FilePath/Dark, light, mantle and marginal zones of a secondary follicle.png?width=200 "Histology of a normal [[lymphoid follicle]], with germinal center in the middle.")
![Plasmablast, [[Wright stain]].](https://commons.wikimedia.org/wiki/Special:FilePath/Plasmablast, Wright stain.png?width=200 "Plasmablast, [[Wright stain]].")
![[[Transitional B cell]] development: from immature B cell to MZ B cell or mature (FO) B cell](https://commons.wikimedia.org/wiki/Special:FilePath/Transitional B cell development.PNG?width=200 "[[Transitional B cell]] development: from immature B cell to MZ B cell or mature (FO) B cell")
медицина
базофильный инсулоцит
общая лексика
B-клетка-предшественник
пре-B-клетка (напр. B-лимфобласт)
Βικιπαίδεια
A cytotoxic T cell (also known as TC, 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 cells that are damaged in other ways.
Most cytotoxic T cells express T-cell receptors (TCRs) that can recognize a specific antigen. An antigen is a molecule capable of stimulating an immune response and is often produced by cancer cells, viruses, bacteria or intracellular signals. Antigens inside a cell are bound to class I MHC molecules, and brought to the surface of the cell by the class I MHC molecule, where they can be recognized by the T 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.
In order for the TCR to bind to the class I MHC molecule, the former must be accompanied by a glycoprotein called CD8, which binds to the constant portion of the class I MHC molecule. Therefore, these T cells are called CD8+ T cells.
The affinity between CD8 and the MHC molecule keeps the TC cell and the target cell bound closely together during antigen-specific activation. CD8+ T cells are recognized as TC cells once they become activated and are generally classified as having a pre-defined cytotoxic role within the immune system. However, CD8+ T cells also have the ability to make some cytokines, such as TNF-α and IFN-γ, with antitumour and antimicrobial effects.
