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Open AccessJournal ArticleDOI

Harnessing the biology of IL-7 for therapeutic application

Crystal L. Mackall, +2 more
- 01 May 2011 - 
- Vol. 11, Iss: 5, pp 330-342
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TLDR
The biology of IL-7 and the results of its clinical use that are available so far are summarized to provide a perspective on the opportunities for clinical application of this cytokine.
Abstract
Interleukin-7 (IL-7) is required for T cell development and for maintaining and restoring homeostasis of mature T cells. IL-7 is a limiting resource under normal conditions, but it accumulates during lymphopaenia, leading to increased T cell proliferation. The administration of recombinant human IL-7 to normal or lymphopenic mice, non-human primates and humans results in widespread T cell proliferation, increased T cell numbers, modulation of peripheral T cell subsets and increased T cell receptor repertoire diversity. These effects raise the prospect that IL-7 could mediate therapeutic benefits in several clinical settings. This Review summarizes the biology of IL-7 and the results of its clinical use that are available so far to provide a perspective on the opportunities for clinical application of this cytokine.

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References
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Journal ArticleDOI

Selective expression of the interleukin 7 receptor identifies effector CD8 T cells that give rise to long-lived memory cells

TL;DR: Increased expression of the interleukin 7 receptor α-chain (IL-7Rα) identifies the effector CD8 T cells that will differentiate into memory cells, and this marker may be useful in predicting the number of memory T cells generated after infection or immunization.
Journal ArticleDOI

Interleukin-7 mediates the homeostasis of naïve and memory CD8 T cells in vivo.

TL;DR: The naïve and memory T lymphocyte pools are maintained through poorly understood homeostatic mechanisms that may include signaling via cytokine receptors, and shows that interleukin-7 (IL-7) plays multiple roles in regulating homeostasis of CD8+ T cells.
Journal ArticleDOI

A human natural killer cell subset provides an innate source of IL-22 for mucosal immunity

TL;DR: The characterization of a human NK cell subset located in mucosa-associated lymphoid tissues, such as tonsils and Peyer’s patches, which is hard-wired to secrete interleukin (IL)-22, IL-26 and leukaemia inhibitory factor is reported.
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