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Recombinant Human TNF-alpha, Biotinylated Protein

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Both Biotinylated Recombinant Human TNF-alpha (Catalog # BT210) and unlabeled Recombinant Human TNF-alpha (Catalog # 210-TA) promotes cytotoxicity in L‑929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is 25-100 pg/mL. The similarity in activity highlights that the biotinylated protein is fully functional.
Both Biotinylated Recombinant Human TNF-alpha (Catalog # BT210) and unlabeled Recombinant Human TNF-alpha (Catalog # 210-TA) promotes cytotoxicity in L‑929 mouse fibroblast cells in the presence of the ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity

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Recombinant Human TNF-alpha, Biotinylated Protein Summary

Details of Functionality
Measured in a cytotoxicity assay using L‑929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. Matthews, N. and M.L. Neale (1987) in Lymphokines and Interferons, A Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 221. The ED50 for this effect is 25-100 pg/mL.
Source
E. coli-derived human TNF-alpha protein
Val77-Leu233, with and without an N-terminal Met
Accession #
N-terminal Sequence
Val77
Structure / Form
Homotrimer. Biotinylated protein via amines
Protein/Peptide Type
Recombinant Proteins
Gene
TNF
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
17 kDa (unlabeled).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
17 kDa, reducing conditions
Publications
Read Publications using
BT210 in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human TNF-alpha, Biotinylated Protein

  • APC1 protein
  • Cachectin
  • Cachetin
  • DIF
  • TNF
  • TNF, monocyte-derived
  • TNFA
  • TNF-A
  • TNFalpha
  • TNF-alpha
  • TNF-alphacachectin
  • TNFATNF, macrophage-derived
  • TNFG1F
  • TNFSF1A
  • TNFSF2
  • TNFSF2TNF superfamily, member 2
  • tumor necrosis factor (TNF superfamily, member 2)
  • tumor necrosis factor alpha
  • Tumor necrosis factor ligand superfamily member 2
  • tumor necrosis factor
  • tumor necrosis factor-alpha

Background

Tumor necrosis factor alpha (TNF-alpha ), also known as cachectin and TNFSF1A, is the prototypic ligand of the TNF superfamily. It is a pleiotropic molecule that plays a central role in inflammation, immune system development, apoptosis, and lipid metabolism (1, 2). Human TNF-alpha consisits of a 35 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 177 aa extracellular domain (ECD) (3). Within the ECD, human TNF-alpha shares 97% aa sequence identity with rhesus and 71%-92% with bovine, canine, cotton rat, equine, feline, mouse, porcine, and rat TNF-alpha . TNF-alpha is produced by a wide variety of immune, epithelial, endothelial, and tumor cells (1, 2). TNF-alpha is assembled intracellularly to form a noncovalently linked homotrimer which is expressed on the cell surface (4). Cell surface TNF-alpha can induce the lysis of neighboring tumor cells and virus infected cells, and it can generate its own downstream cell signaling following ligation by soluble TNFR I (2, 5). Shedding of membrane bound TNF-alpha by TACE/ADAM17 releases the bioactive cytokine, a 55 kDa soluble trimer of the TNF-alpha extracellular domain (6-8). TNF-alpha binds the ubiquitous 55-60 kDa TNF RI (9, 10) and the hematopoietic cell-restricted 80 kDa TNF RII (11, 12), both of which are also expressed as homotrimers (1, 2, 13). Both type I and type II receptors bind TNF-alpha with comparable affinity (14), although only TNF RI contains a cytoplasmic death domain which triggers the activation of apoptosis. Soluble forms of both types of receptors are released and can neutralize the biological activity of TNF-alpha (15).
  1. Zelova, H. and J. Hosek (2013) Inflamm. Res. 62:641.
  2. Juhasz, K. et al. (2013) Expert Rev. Clin. Immunol. 9:335.
  3. Pennica, D. et al. (1984) Nature 312:724.
  4. Tang, P. et al. (1996) Biochemistry 35:8216.
  5. Perez, C. et al. (1990) Cell 63:251.
  6. Black, R.A. et al. (1997) Nature 385:729.
  7. Moss, M.L. et al. (1997) Nature 385:733.
  8. Gearing, A.J.H. et al. (1994) Nature 370:555.
  9. Schall, T.J. et al. (1990) Cell 61:361.
  10. Loetscher, H. et al. (1990) Cell 61:351.
  11. Dembic, Z. et al. (1990) Cytokine 2:231.
  12. Smith, C.A. et al. (1990) Science 248:1019.
  13. Loetscher, H. et al. (1991) J. Biol. Chem. 266:18324.
  14. Pinckard, J.K. et al. (1997) J. Biol. Chem. 272:10784.
  15. Engelmann, H. et al. (1990) J. Biol. Chem. 265:1531.

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Recombinant Human
TNF-alpha, Biotinylat ...
BT210
Recombinant Human TNF-alpha, Biotinylated Protein
Species: Hu
Applications: Bioactivity

Publications for TNF-alpha (BT210)(5)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 2 applications: Bioassay, Cell Culture.


Filter By Application
Bioassay
(4)
Cell Culture
(1)
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Filter By Species
Human
(5)
All Species
Showing Publications 1 - 5 of 5.
Publications using BT210 Applications Species
Joseph, N;Shapiro, A;Gillis, E;Barkey, S;Abu-Horowitz, A;Bachelet, I;Mizrahi, B; Biodistribution and function of coupled polymer-DNA origami nanostructures Scientific reports 2023-11-10 [PMID: 37949918] (Bioassay, Human) Bioassay Human
J Fritsch, J Frankenhei, L Marischen, T Vadasz, A Troeger, S Rose-John, D Schmidt-Ar, W Schneider- Roles for ADAM17 in TNF-R1 Mediated Cell Death and Survival in Human U937 and Jurkat Cells Cells, 2021-11-10;10(11):. 2021-11-10 [PMID: 34831323] (Bioassay, Human) Bioassay Human
PR Elliott, D Leske, J Wagstaff, L Schlicher, G Berridge, S Maslen, F Timmermann, B Ma, R Fischer, SMV Freund, D Komander, M Gyrd-Hanse Regulation of CYLD activity and specificity by phosphorylation and ubiquitin-binding CAP-Gly domains Cell Reports, 2021-10-05;37(1):109777. 2021-10-05 [PMID: 34610306] (Bioassay, Human) Bioassay Human
SW Wong, S Lenzini, MH Cooper, DJ Mooney, JW Shin Soft extracellular matrix enhances inflammatory activation of mesenchymal stromal cells to induce monocyte production and trafficking Sci Adv, 2020-04-08;6(15):eaaw0158. 2020-04-08 [PMID: 32284989] (Cell Culture, Human) Cell Culture Human
AT Holdbrooks, CM Britain, SL Bellis ST6Gal-I sialyltransferase promotes tumor necrosis factor (TNF)-mediated cancer cell survival via sialylation of the TNF receptor 1 (TNFR1) death receptor J. Biol. Chem., 2017-12-12;0(0):. 2017-12-12 [PMID: 29233887] (Bioassay, Human) Bioassay Human

Reviews for TNF-alpha (BT210) (0)

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FAQs for TNF-alpha (BT210). (Showing 1 - 4 of 4 FAQs).

  1. I need to know about TNF-alpha antibody kits for mice.
    • We currently have two TNFalpha ELISA kits specific for mouse: catalog numbers KA0257 and NBP1-92670.
  2. I would like to ask you for help. I need an antibody for Elisa to detect human TNF alpha in a supernatant from a cell culture (meaning supernatant after centrifugation of collected cell suspension from a plate well). Which of your antibodies against human tnf alpha would be suitable? I would like to buy only the primary antibody.
    • I would recommend catalog number NBP1-67821 or NB600-587; however, a full list of our anti-human TNF alpha antibodies suitable for use in ELISA can be found using this link.
  3. I am interested in a TNF alpha antibody, cross reactive for human, rat and mouse (host species: rabbit). Could your product NBP1-19532 be used in western blotting applications? Or do you have a similar product in your catalog which could fit with my request?
    • The antibody you mention, NBP1-19532, has not yet been validated in Western blot. I would instead recommend either NBP1-67821 or NB600-587. These are both rabbit polyclonal antibodies that cross-reacts with human, mouse and rat and have been used in Western blotting.
  4. Can your TNF-alpha products be used to treat TBI victims and therefore avoid the perispinal injections with Enbrel?
    • I am very sorry, but all of our products are for scientific research use only, and none are intended or approved for use in humans.

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Bioinformatics

Gene Symbol TNF
Uniprot