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CD4 cell
(redirected from T helper cell)

   Also found in: Medical, Wikipedia 0.01 sec.
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Noun1.CD4 cell - T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus
T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells


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The current analysis was designed to evaluate the consistency of the association between acetaminophen and asthma and to investigate one of the proposed biological mechanisms for the link--specifically, that acetaminophen exposure contributes to the development of oxidant-induced airway inflammation caused by reduced concentrations of the antioxidant glutathione in the lung and stimulation of the T helper cell 2 response.
Generex, based in Toronto, reported in a news release that the technology protected by the patent involves using small synthetic peptides to enhance the stimulation of certain T helper cells, which are a key component of the body's immune system.
In mouse vaccine experiments, such hybrids induce four-to-eight times greater T helper cell responses, when measured by special T helper cell assays.
 
 
 
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