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killer T cells

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
killer T cells,
antigen-stimulated T lymphocytes or cytotoxic T cells that attack foreign antigens directly and destroy cells that bear those antigens. Compare killer cell, natural killer cell.


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According to them, when HIV infects a cell, a complex of human immune proteins called HLA (short for human leukocyte antigen) alert killer T cells by displaying bits of the virus on the surface of the cell, in response to which the T-cells trigger immune attack.
The balance between the numbers of killer T cells and T-regs within the tumor dearly shifted in favor of killer Ts, showing that the combo therapy weakened the cancer's defenses and released the brakes on the immune system.
The Edinburgh experts developed a way of extracting a particular kind of white blood cell - called killer T cells.
 
 
 
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