Active Interleukin 34 (IL34)
C16orf77
- Product No.APC007Hu01
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Buffer Formulation100mMNaHCO3, 500mMNaCl, pH8.3, containing 1mM EDTA, 1mM DTT, 0.01% SKL, 5% Trehalose and Proclin300.
- TraitsFreeze-dried powder
- Purity> 95%
- Isoelectric Point6.8
- ApplicationsCell culture; Activity Assays.
- Download Instruction Manual
- UOM 10µg50µg 200µg 1mg 5mg
-
FOB
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ACTIVITY TEST of the Active Interleukin 34 (IL34)
Interleukin 34 (IL-34) is a protein belonging to a group of cytokines called interleukins. IL-34 increases growth or survival of immune cells known as monocytes; it elicits its activity by binding the Colony stimulating factor 1 receptor. To test the effect of IL-34 on cell proliferation, THP-1 cells were seeded into triplicate wells of 96-well plates at a density of 5,000 cells/well with 2% serum standard 1640 which contains various concentrations of recombinant human IL-34. After incubated for 4 days, 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 2-4 hours at 37℃. Proliferation of THP-1 cells after incubation with IL-34 for 4 days observed by inverted microscope was shown in Figure 1. Cell viability was assessed by CCK-8 (Cell Counting Kit-8) assay after incubation with recombinant IL-34 for 4 days. The result was shown in Figure 2. It was obvious that IL-34 significantly increased cell viability of THP-1 cells. The ED50 is 0.54ng/mL. (A) THP-1 cells cultured in 1640, stimulated with 10ng/mL IL-34 for 4 days;
(B) Unstimulated THP-1 cells cultured in 1640 for 4days.
Figure 1. Cell proliferation of THP-1 cells after stimulated with IL-34.
Figure. Cell proliferation of THP-1 cells after stimulated with IL-34.
USAGE of the Active Interleukin 34 (IL34)
Reconstitute in ddH2O to a concentration of 0.1-1.0 mg/mL. Do not vortex.
STORAGE of the Active Interleukin 34 (IL34)
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
STABILITY of the Active Interleukin 34 (IL34)
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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