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T8 cell

Bible DictionaryAids Glossary
see CD8 cell.
 
A type of white blood cell that helps control the body's response to an infection.
Bible DictionaryGlossary of HIV(AIDS)-Related Terms
(Also called killer cells; see Cytotoxic T-lymphocyte). Immune cells that shut down the immune response after it has effectively wiped out invading organisms. Sensitive to high concentrations of circulating lymphokines<!-- (see) -->, T8 cells release their own lymphokines when an immune response has achieved its goal, signaling all other participants to cease their coordinated attack. A number of B lymphocytes<!-- (see) --> remain in circulation in order to fend off a possible repeat attack by the invading organism. With HIV, however, the immune system's response system does not work. T4 cells<!-- (see) --> are dysfunctional, lymphokines proliferate in the bloodstream, and T8 cells compound the problem by misreading the oversupply of lymphokines as meaning that the immune system has effectively eliminated the invader. So while HIV is multiplying, T8 cells are simultaneously attempting to further shut down the immune system. The stage is set for normally repressed infectious agents, such as PCP<!-- (see) --> or CMV<!-- (see) -->, to proliferate unhindered and to cause disease.
Bible DictionaryDictionary of Medicine
A type of immune cells, T8 cells close down the immune response after it has destroyed invading organisms. T8 cells are sensitive to high concentrations of circulating lymphokine hormones and release their own lymphokines after an immune response has achieved its goal, signalling all other participants to cease their attack. Some memory B-cells remain to ward off a repeat attack by the invading organism. T8 cells are also called T-suppressor cells.

 

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