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Make Research Easy
服務(wù)熱線：0592-5771844
產(chǎn)品型號：Z03308
更新時間：2025-11-06
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產(chǎn)品分類
Interleukin-15 (IL-15) is a cytokine with structural similarity to IL-2. Like IL-2, IL-15 binds to and signals through a complex composed of IL-2/IL-15 receptor beta chain (CD122) and the common gamma chain (gamma-C, CD132). IL-15 is secreted by mononuclear phagocytes (among other cells) following infection by virus. This cytokine induces cell proliferation of natural killer cells, which are cells of the innate immune system whose principal role is to kill virally infected cells. IL-15 can stimulate the proliferation of T-lymphocytes. Stimulation by IL-15 occurs following its interaction with IL-15Rα. This interaction may enhance IL-15’sinteraction with IL15Rβγc.
| Species | Human | |
| Protein Construction |
| |
| Purity | > 95% as analyzed by SDS-PAGE | |
| Endotoxin Level | < 0.2 EU/μg of protein by gel clotting method | |
| Biological Activity | ED50 < 0.5 ng/ml, determined by the dose-dependent stimulation of the proliferation of CTLL-2 cells, corresponding to a specific activity of > 2.0 × 106 U/mg. | |
| Expression System | E. coli | |
| Apparent Molecular Weight | ~12.8 kDa, on SDS-PAGE under reducing conditions. | |
| Formulation | Lyophilized after extensive dialysis against PBS. | |
| Reconstitution | It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH?O or PBS up to 100 μg/ml. | |
| Storage & Stability | Upon receiving, this product remains stable for 6 months at lower than -70°C. Upon reconstitution, the product should be stable for 1 week at 4°C or for 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles. |
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