Active Interleukin 7 (IL7)
Pre-B-cell Growth Factor; Lymphopoietin-1
- UOM
- FOB US$ 325.00 US$ 812.00 US$ 1,624.00 US$ 4,872.00 US$ 12,180.00
- Quantity
Overview
Properties
- Product No.APA662Hu01
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- ApplicationsCell culture; Activity Assays.
Research use only - DownloadInstruction Manual
- CategoryCytokineInfection immunityBone metabolismDermatology
- Buffer Formulation20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% SKL, 5% Trehalose and Proclin300.
- Traits Freeze-dried powder, Purity > 95%
- Isoelectric Point8.9
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Activity test


IL7 (Interleukin 7) is a hematopoietic growth factor secreted by stromal cells in the bone marrow and thymus. The interaction between IL17 and the IL7 receptor triggers a cascade of signals important for T-cell development within the thymus and survival within the periphery. It is reported that IL-7 acts on both resting and activated T cells, including Jurkat cells. Thus, a proliferation assay of recombinant human IL7 was conducted using Jurkat cells. Briefly, Jurkat cells were seeded into triplicate wells of 96-well plates at a density of 10, 000 cells/well in RPMI-1640 with the addition of various concentrations of IL7. After incubated for 72h, cells were observed by inverted microscope and cell proliferation was measured by Cell Counting Kit-8 (CCK-8). Briefly, 10µL of CCK-8 solution was added to each well of the plate, then the absorbance at 450nm was measured using a microplate reader after incubating the plate for 1-4 hours at 37°C. Cell proliferation of Jurkat cells after incubation with IL7 for 72h observed by inverted microscope was shown in Figure 1. The CCK-8 data was shown in Figure 2. It was obvious that IL7 significantly promoted cell proliferation of Jurkat cells.
Usage
Reconstitute in 20mM Tris, 150mM NaCl (pH8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
Storage
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
Stability
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.
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Buffer
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Spike RBD Protein (S-RBD)
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Protein G
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Protein A
Citations
- Specific alterations in the circulating levels of the SIRT1, TLR4, and IL7 proteins in patients with dementiaPubmed:30071285
- Role of IL‐7 in Fusion of Rat Bone Marrow Mesenchymal Stem Cells with Cardiomyocytes in vitro and Improvement of Cardiac Function in vivoPubmed: 30451388
- The reparative effects of human adipose-derived mesenchymal stem cells in the chemotherapy damaged thymusPubmed: 30511904