killer T cells


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Related to killer T cells: B cells, Memory T cells, Natural killer cells

killer T cells

antigen-stimulated T lymphocytes or cytotoxic T cells that attack foreign antigens directly and destroy cells that bear those antigens. See cytoxic T lymphocytes. Compare natural killer cell.
References in periodicals archive ?
Further studies will be required before the findings can be translated into direct benefit to patients; however, the team are planning on focusing their efforts at finding ways to reduce the loss of L-selectin from the surface of killer T cells in order to increase the number of killer T cells that can home in on infected tissues.
Other research teams are also investigating how to use immune proteins to stimulate killer T cells against AIDS.
Among a tumor's insidious properties is its ability to prevent killer T cells from attacking tumors.
The treatment consists of taking uninfected killer T cells from the blood of healthy people who have been exposed to a particular virus and inserting those cells into a sick person infected with the same virus.
They found that killer T cells also interact with another white blood cell type called macrophages --which ingest HIV and, like lymphocytes, play a role in cell-mediated immunity.
Killer T cells are not actually out their committing murder - what actually happens is that the cells secrete chemicals that burst nearby cells.