Article
Control of homeostasis of CD8+ memory T cells by opposing cytokines.
Science (New York, N.Y.) - 28 Apr 2000
Ku C C, Murakami M, Sakamoto A, Kappler J, Marrack P
Abstract excerpt
Memory T cells maintain their numbers for long periods after antigen exposure. Here we show that CD8+ T cells of memory phenotype divide slowly in animals. This division requires interleukin-15 and is markedly increased by inhibition of interleukin-2 (IL-2). Therefore, the numbers of CD8+ memory T cells in animals are controlled by a balance between IL-15 and IL-2.
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