Functional Killer Ig-Like Receptors on Human Memory CD4+ T Cells Specific for Cytomegalovirus

Abstract excerpt

Although very few CD4(+) T cells express killer Ig receptors (KIR), a large proportion of CD4(+) T cells with a late memory phenotype, characterized by the absence of CD28, does express KIR. Here, we show that KIR expression on CD4(+) T cells is also associated with memory T cell function, by showing that the frequency of CMV-specific cells is higher in CD4(+)KIR(+) than CD4(+)KIR(-) T cells. In addition,...

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