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CD4 T cell

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Noun1.CD4 T 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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In the new study, lead researcher Susan Swain and her colleagues showed that naive CD4 T cells from older mice survived longer than the corresponding cells from young mice when transplanted into normal intact hosts.
Despite over 25 years of intensive research, the factors that drive CD4 T cell loss in HIV-1 infection are still not clearly understood.
A small frequency of CD4 T cells specific for subtype H5N1 was detected in several persons at baseline, and seasonal vaccine administration enhanced the frequency of such reactive CD4 T cells.
 
 
 
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