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Recombinant Human TNF-alpha (His Tag)

ED50

/

Species

Human

Purity

>90 %, SDS-PAGE

GeneID

7124

Accession

P01375

Cat No : Eg0816

Print datasheet

Synonyms

C-domain 1, C-domain 2, Intracellular domain 1, Intracellular domain 2, TNF, TNF a, TNF alpha, TNF alpha,TNF-a,TNF-alpha,TNFα, TNFA, TNF-a, TNF-alpha, TNFSF2, TNFα, TNF-α, Tumor necrosis factor, Tumor necrosis factor ligand superfamily member 2, Tumor necrosis factor, membrane form, Tumor necrosis factor, soluble form

验证数据展示

  • Purity of Recombinant Human TNF-alpha was determined by SDS-PAGE. The protein was resolved in an SDS-PAGE in reducing (R) and non-reducing (NR) conditions and stained using Coomassie blue.

    Purity of Recombinant Human TNF-alpha was determined by SDS-PAGE. The protein was resolved in an SDS-PAGE in reducing (R) and non-reducing (NR) conditions and stained using Coomassie blue.

Technical Specifications

Purity >90 %, SDS-PAGE
Endotoxin Level <1.0 EU/μg protein, LAL method
Biological Activity 
/
Source HEK293-derived Human TNF-alpha protein Val77-Leu233 (Accession# P01375) with a His Tag at the C-terminus.
Predicted Molecular Mass 18.2 kDa
SDS-PAGE 15-25 kDa, reducing (R) conditions
Formulation Lyophilized from sterile PBS, pH 7.4. Normally 5% trehalose and 5% mannitol are added as protectants before lyophilization.
Reconstitution Briefly centrifuge the tube before opening. Reconstitute at 0.1-0.5 mg/mL in sterile water.
Storage
It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
  • Until expiry date, -20℃ to -80℃ as lyophilized proteins.
  • 3 months, -20℃ to -80℃ under sterile conditions after reconstitution.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the recommended temperature.

Background

TNF, as also known as TNF-alpha, or cachectin, is a multifunctional proinflammatory cytokine that belongs to the tumor necrosis factor (TNF) superfamily. It is expressed as a 26 kDa membrane bound protein and is then cleaved by TNF-alpha converting enzyme (TACE) to release the soluble 17 kDa monomer, which forms homotrimers in circulation. It is produced chiefly by activated macrophages, although it can be produced by many other cell types such as CD4+ lymphocytes, NK cells, neutrophils, mast cells, eosinophils, and neurons. It can bind to, and thus functions through its receptors TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. This cytokine is involved in the regulation of a wide spectrum of biological processes including cell proliferation, differentiation, apoptosis, lipid metabolism, and coagulation. Dysregulation of TNF production has been implicated in a variety of human diseases including Alzheimer's disease, cancer, major depression and inflammatory bowel disease (IBD).

References:

1.F Buchegger. et al. (1984). Int J Cancer. 33(5):643-649.
2.Linshu Zhao. et al. (2004). Br J Haematol. 125(5):666-673.
3.M Kuroki. et al. (2001). J Leukoc Biol. 70(4):543-550.
4.S Oikawa. et al. (1991). J Biol Chem. 266(13):7995-8001.
5.T Yamanka. et al. (1996). Biochem Biophys Res Commun.219(3):842-847.