Rat Recombinant IL-3 beta
Interleukin 3 beta
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Rat Recombinant IL-3 beta -
Label for Rat Recombinant IL-3 beta -
Label for Rat Recombinant IL-3 beta
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Overview
Interleukin 3 (IL-3) is a species-specific pleiotropic cytokine that promotes the survival and proliferation of pluripotent hematopoietic stem cells and lineage-committed progenitor cells and their differentiation into mature cells of most lineages, including mast cells, basophils, neutrophils, eosinophils, macrophages, dendritic cells, erythrocytes, and megakaryocytes (Fung et al.; Metcalf et al.; Broughton et al.). IL-3 is produced by activated T cells, and has a physiological role in inflammation and allergies by promoting the secretion of inflammatory mediators such as histamine, IL-4, and IL-6 by mast cells, basophils, and eosinophils. The IL-3 receptor consists of a unique alpha subunit (CD123) and two beta subunits, one specific for IL-3 (βIL-3), the other shared with the receptors for IL-5 and GM-CSF (beta common chain, βc, or CD131). IL-3 binding to heterodimeric receptors containing the alpha subunit and one of either beta subunits activates JAK/STAT, MAPK, and PI3K signaling pathways (Scott & Begley).
Alternative Names:
HCGF, Mast cell growth factor, MCGF, Multi-CSF, P-cell stimulation factor
Cell Type:
Hematopoietic Stem and Progenitor Cells; Pluripotent Stem Cells
Species:
Rat
Area of Interest:
Stem Cell Biology
Molecular Weight:
16.3 kDa
Purity:
≥ 95%
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Data
(A) The biological activity of Rat Recombinant IL-3 beta was tested by its ability to promote proliferation of NFS-60 cells. Cell proliferation was measured using a fluorometric assay method. The EC50 is defined as the effective concentration of the growth factor at which cell proliferation is at 50% of maximum. The EC50 in the example above is less than 5 ng/mL. (B) 5 μg of Rat Recombinant IL-3 beta was resolved with SDS-PAGE under reducing (+) and non-reducing (-) conditions and visualized by Coomassie Blue staining. Rat Recombinant IL-3 beta has a predicted molecular mass of 16.3 kDa.
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