Recombinant Human IL15 (E. coli)

Cat. No.
Z100455
Unit
Price
$163.00
Cat. No. Z100455
Name Recombinant Human IL15 (E. coli)
Description IL-15 has been shown to be produced by human fetal astrocytes and microglial cells in response to IL-1-beta, IFN-gamma, or TNF-alpha and may thus play a role in T cell mediated immune responses in the human central nervous system. IL-15 stimulates proliferation of the established T cell line CTLL-2, CD8(+) memory T cells require IL-15 for proliferation. IL-15 is also able to induce generation of cytolytic cells and LAK cells activity in vitro. IL-15 appears to function as a specific maturation factor for natural killer cells and can mimic the bone marrow microenvironment in vitro, which is required for natural killer cells to acquire lytic functions. IL-15 induces proliferation of mast cells in the absence of functional IL-2 receptor components and utilizes a receptor of 60-65 kDa that is distinct from known components of T cell IL-15 receptors. The IL-15 receptor on mast cells recruits JAK2 and STAT5, instead of JAK1, JAK3 and STAT3 and STAT5 that are activated in T cells. The alpha subunit of the IL-15 receptor (IL-15RA) is structurally related to the alpha subunit of the IL-2 receptor and confers high affinity binding of IL-15 to its receptor. IL-15 binds to the beta and gamma chains of the IL-2 receptor, which are known to be required for ligand internalization and signal transduction.
Organism Human (H. sapiens)
Unit quantity 10 µg
Family Other Interleukins
Aliases IL-15, IL-T
Recombinant Human Interleukin-15 (IL15)
Gene Symbol IL15
Gene ID 3600
Accession Number P40933
Source E. coli
Species Human (H. sapiens)
Appearance Lyophilized Powder
Molecular Weight 13 kDa
Endotoxin Level <1.0 EU/µg of recombinant protein as determined by the LAL method.
Purity >95% as determined by SDS-PAGE
Formulation Recombinant IL-15 was lyophilized from a 0.2 μm filtered PBS solution pH 7.5.
Function The ED(50) as determined by the dose-dependent proliferation of T lympocytes was <0.1ng/ml.
Reconstitution A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.
Storage The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.
Usage For research use only. Not for diagnostic or therapeutic use.
Material Citation If use of this material results in a scientific publication, please cite the material in the following manner: Applied Biological Materials Inc, Cat. No. Z100455
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