Yes, this product is supplied as a lyophilized powder in phosphate buffered saline (PBS), pH 7.4, with no carrier proteins. It is aseptically filled. Please see the link below to review additional information available in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/334/554/h8916pis-ms.pdf
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
10 μg | Warenkorb auf Verfügbarkeit prüfen | € 181,00 |
Über diesen Artikel
Produktname
Tumornekrosefaktor-α human, Xeno-free, recombinant, expressed in HEK 293 cells, suitable for cell culture
biological source
human
Quality Segment
recombinant
expressed in HEK 293 cells
assay
≥95% (SDS-PAGE)
form
lyophilized powder
potency
≤1.0 ng/mL ED50
quality
endotoxin tested
mol wt
17 kDa (glycosylated), ~17.4 kDa
packaging
pkg of 10 μg
storage condition
avoid repeated freeze/thaw cycles
technique(s)
cell culture | mammalian: suitable
impurities
≤1.00 EU/μg (endotoxin)
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... TNF(7124)
General description
Application
- Bei der Induktion der Vernetzung von Neutrophilen mittels antineutrophiler zytoplasmatischer Autoantikörper und um deren Wirkung auf die Plättchenaktivierung und Bildung des monomeren C-reaktiven Proteins zu untersuchen.
- Zum Untersuchen der Wirkung des TNF-α auf miR-221 und die Fractalkine-Expression.
- Zur Induktion von zellulären Entzündungsreaktionen.
- In NF-κB Luciferase Reporter Assays.
- Als ein Permeabilität auslösendes Mittel für Permeabilitäts-Assays von endothelialen Zellmonoschichten
- Als Induktor von reaktiven Sauerstoffspezies in primären kardialen mikrovaskulären Endothelzellen von Ratten (RCMVECs)
- Bei der Aktivierung von Nuklearfaktor-kappa-B (NF-κB) in menschlichen embryonalen Nierenzellen (HEK293), SH-SY5Y-Neuroblastomzellen und HeLa-Zellen
- Bei der Stimulierung der menschlichen Keratinozytenzellline (HaCaT) und den menschlichen Koronararterien-Endothelzellen (HCAECs)
Biochem/physiol Actions
Preparation Note
Analysis Note
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description Xeno-free, recombinant, expressed in HEK 293 cells, suitable for cell culture | description TNF-α, recombinant, expressed in E. coli, powder, suitable for cell culture | description TNF-α, recombinant, expressed in E. coli, powder, suitable for cell culture | description TNF-α, recombinant, expressed in E. coli, powder, suitable for cell culture |
| technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable |
| assay ≥95% (SDS-PAGE) | assay ≥97% (SDS-PAGE) | assay ≥98% (SDS-PAGE and HPLC) | assay ≥95% |
| biological source human | biological source human | biological source rat | biological source mouse |
| recombinant expressed in HEK 293 cells | recombinant expressed in E. coli | recombinant expressed in E. coli | recombinant expressed in E. coli |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form lyophilized powder | form powder | form powder | form powder |
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Lagerklasse
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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この凍結乾燥品はバッファーが含まれていますか?
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How should product H8916, Tumor Necrosis Factor-alpha human be dissolved?
1 answer-
Briefly centrifuge the vial before opening. Reconstitute in water to a concentration of 0.1 mg/mL. Do not vortex. This solution can be stored at 2–8 °C for up to 1 week. For extended storage, it is recommended to store in working aliquots at –20 °C.
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What is the solution stablity of H8916, Tumor Necrosis Factor-alpha human?
1 answer-
A stock solution of H8916 can be kept at a concentration of 200-500 ug/ml (micrograms/ml) for up to 1 week at 4 °C. For long term storage, aliquot into single use size and store at -80 °C. Please avoid freeze thaw cycles as this can effect the activity.
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What is the difference between H8916 and T6674, Tumor Necrosis Factor-α human?
1 answer-
Both products are recombinant Tumor Necrosis Factor-α human, however, they are expressed in different cell types. T6674 is expressed in Escherichia coli and H8916 is expressed in human HEK 293 cells. When recombinant human proteins are produced in human cells they are more authentic in terms of proper folding, phosphorylation, and glycosylation of the protein. Human proteins expressed in Escherichia coli do not undergo these proper post-translational modifications.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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