Interleukin-7 (IL-7) is a stromal-cell derived cytokine that is important in the development of adaptive immunity and maintenance of T cells and B cells. IL-7 is produced by bone marrow cells, liver and intestinal epithelia cells, dendritic cells, smooth muscle cells, fibroblasts macrophages and keratinocytes. The effect of IL-7 is mediated by IL-7 receptor α chain and by the subsequent activation of JAK/STAT, PI3K and Src kinases. Important roles of IL-7 include proliferation of lymphoid progenitors, survival and homeostasis of naïve and memory T cells Monoclonal Anti-Interleukin-7 recognizes recombinant human IL-7 (approximately 17 kDa).
Specificity
The antibody has the ability to neutralize the biological activity of recombinant human IL-7. It may also be used as a capture antibody in a human IL-7 ELISA.
Immunogen
purified recombinant human IL-7, expressed in E. coli.
Application
Anti-Interleukin-7 antibody may be used for immunoblotting at a working concentration of 1-2 μg/ml. For ELISA the working concentration recommended is 1-2 μg/ml. The antibody is also suitable for neutralization assays.
Physical form
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 5% trehalose.
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The pool of memory T cells is regulated by homeostatic mechanisms to persist for prolonged periods at a relatively steady overall size. Recent work has shown that two members of the common gamma chain (gammac) family of cytokines, interleukin-7 (IL-7)
Regulation of the magnitude and quality of immune responses is dependent on the integration of multiple signals which typically operate through positive and negative feedback loops. Cytokines that promote or limit T cell expansion and differentiation are often both present
Modulating T cell Homeostasis with IL-7: Preclinical and Clinical Studies
Proceedings of the National Academy of Sciences of the United States of America, 98(15), 8732-8737 (2001-07-12)
In T cell-deficient conditions, naive T cells undergo spontaneous "homeostatic" proliferation in response to contact with self-MHC/peptide ligands. With the aid of an in vitro system, we show here that homeostatic proliferation is also cytokine-dependent. The cytokines IL-4, IL-7, and
The naïve and memory T lymphocyte pools are maintained through poorly understood homeostatic mechanisms that may include signaling via cytokine receptors. We show that interleukin-7 (IL-7) plays multiple roles in regulating homeostasis of CD8+ T cells. We found that IL-7
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