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Human CellExp™ IL-15, human recombinant

Induces cell proliferation of natural killer cells
Catalog #: 7273
$405.00

Product Details

Cat # +Size 7273-10
Size 10 μg
Alternate Name IL-15, IL15, Interleukin-15
Gene Symbol IL-15
Gene ID 3600
Accession # P40933
Source HEK 293 cells
Appearance Lyophilized powder
Physical Form Description Lyophilized from 0.22 μm filtered solution in 20 mM Tris, 100 mM NaCl, pH 8.0. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.
Molecular Weight Calculated MW of 12.8 kDa with no tag. The predicted N-terminus is Asn49. DTT-reduced protein migrates as 16 kDa due to glycosylation.
Purity by SDS-PAGE ≥95%
Endotoxin Level < 0.1 ng/μg of protein (<1EU/μg) by LAL method
Biological Activity The bio-activity was determined by dose-dependent stimulation of the proliferation of mouse CTLL-2 cells. The ED50 <0.5ng/ml, corresponding to a specific activity of >2X10^6 units/mg
Reconstitution Instructions Centrifuge the vial prior to opening. Reconstitute in sterile deionized water to a concentration of 100 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not to be used in humans

Details

Interleukin 15, also known as IL15, IL-15, and is a cytokine with structural similarity to IL-2. Like IL-2, IL-15 binds to and signals through the IL-2/IL-15 beta chain (CD122) and the common gamma chain (gamma-C, CD132). IL-15 is secreted by mononuclear phagocytes (and some other cells) following infection by virus (es). This cytokine induces cell proliferation of natural killer cells; cells of the innate immune system whose principal role is to kill virally infected cells. Interleukin 15 (IL-15) regulates T and natural killer (NK) cell activation and proliferation. Survival signals that maintain memory T cells in the absence of antigen are provided by IL-15. This cytokine is also implicated in NK cell development. In rodent lymphocytes, IL-15 prevents apoptosis by inducing an apoptosis inhibitor, BCL2L1/BCL-x (L). IL-15 has been shown to enhance the anti-tumor immunity of CD8+ T cells in pre-clinical models. A phase I clinical trial to evaluate the safety, dosing, and anti-tumor efficacy of IL-15 in patients with metastatic melanoma and renal cell carcinoma (kidney cancer) has begun to enroll patients at the National Institutes of Health


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