Recombinant Human TWEAK (CD255) (carrier-free)

Pricing & Availability
Regulatory Status
RUO
Other Names
Tumor necrosis factor ligand superfamily, member 12, TNFSF12, YNF-related weak inducer of apoptosis, Apo-3 ligand (Apo3L).
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Product Citations
publications
Cat # Size Price Quantity Avail. Save
566402 5 µg $80.00
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566404 25 µg $195.00
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Description

TWEAK (TNFSF12) is a "TNF-like weak inducer" of apoptosis through a non-death domain-dependent mechanism. TWEAK is a type II membrane protein which exhibits a single internal hydrophobic domain of 27 amino acids in the N-terminal region. TWEAK is proteolytically cleaved to produce a soluble cytokine that signals as a trimerized molecule. Fibroblast growth factor-inducible 14 (Fn14)/TWEAKR has been described as a receptor for TWEAK, and it is associated with proliferation of endothelial cells and angiogenesis. However, TWEAK mediates signal transduction and linear differentiation of monocyte/macrophage cells lacking Fn14/TWEAKR, suggesting that such cells contain an alternative TWEAK receptor. Elevated levels of TWEAK and/or Fn14 have been found to be associated with the pathogenesis of rheumatoid arthritis, skeletal muscle wasting, systemic lupus erythematosus, multiple sclerosis, stroke, neuroinflammation and neurodegeneration, and several types of cancer. The pathological functions of TWEAK are primarily attributed to its ability to induce the expression of several proinflammatory cytokines, chemokines, cell adhesion molecules, and matrix-degrading enzymes mainly through the activation of NF-κB, a major proinflammatory transcription factor. It has been described that CD163 (a scavenger receptor) might be acting as a receptor decoy for the ligand TWEAK.

Product Details
Technical data sheet

Product Details

Source
Human TWEAK, amino acids Lys97-His249 (Accession# Q4ACW9), was expressed in E. coli.
Molecular Mass
The 154 amino acid N-terminal methionylated recombinant protein has a predicted molecular mass of 17 kD.
Purity
>98%, as determined by Coomassie stained SDS-PAGE.
Formulation
Lyophilized
Endotoxin Level
Less than 0.1 ng per µg of protein.
Storage & Handling
Unopened vial can be stored at -20°C or -70°C. For maximum results, quick spin vial prior to opening. Reconstitute in 10 mM sodium phosphate, pH 7.5 to a concentration of 1.0 mg/ml. Do not vortex. It is recommended to further dilute in a buffer containing a carrier protein such as 0.1% BSA and store working aliquots at -20°C to -80°C. Avoid repeated freeze/thaw cycles.
Activity
ED50 < 10 ng/ml, corresponding to a specific activity of > 1 x 107 units/mg, as determined by the dose dependent stimulation of production of IL-8 by human PBMC.
Application

Bioassay

Application Notes

BioLegend's Recombinant Human CD255 (TWEAK) has been reported to induce cardiomyoctye proliferation in vivo.1

Application References

(PubMed link indicates BioLegend citation)
  1. Novoyatleva T, et al. 2010. Cardiovasc. Res. 85:681. PubMed
Product Citations

Antigen Details

Distribution
Monocytes, macrophages, and TWEAK transcripts widely expressed and abundant in most tissues.
Interaction
Endothelial cells, macrophages, astrocytes.
Ligand/Receptor
Fibroblast growth factor inducible 14 (Fn14)/TWEAKR (CD266)
Bioactivity
TWEAK induces interleukin-8 synthesis in a number of cell lines, and and IL-6 and IL-8 in human astrocytes in vitro. TWEAK acts cooperatively with bFGF to promote EC proliferation, migration and capillary tube morphogenesis. TWEAK attenuates the transitio
Biology Area
Angiogenesis, Apoptosis/Tumor Suppressors/Cell Death, Cell Biology, Immunology
Molecular Family
CD Molecules, Cytokines/Chemokines
Antigen References

1. Chicheportiche Y, et al. 1997. J. Biol. Chem. 272:32401.
2. Wiley SR, et al. 2001. Immunity 15:837.
3. Jakubowski A, et al. 2002. J. Cell. Sci. 115:267.
4. Bover LC, et al. 2007. J. Immunol. 178:8183.
5. Kumar M, et al. 2009. J. Immunol. 182:2439.
6. Van Gorp H, et al. 2010. Mol. Immunol. 47:1650.

Gene ID
8472 View all products for this Gene ID
Specificity (DOES NOT SHOW ON TDS):
TWEAK
Specificity Alt (DOES NOT SHOW ON TDS):
CD255
UniProt
View information about TWEAK on UniProt.org

Related FAQs

Why choose BioLegend recombinant proteins?

     • Each lot of product is quality-tested for bioactivity as indicated on the data sheet.
     • Greater than 95% Purity or higher, tested on every lot of product.
     • 100% Satisfaction Guarantee for quality performance, stability, and consistency.
     • Ready-to-use liquid format saves time and reduces challenges associated with reconstitution.
     • Bulk and customization available. Contact us.
     • Learn more about our Recombinant Proteins.

How does the activity of your recombinant proteins compare to competitors?

We quality control each and every lot of recombinant protein. Not only do we check its bioactivity, but we also compare it against other commercially available recombinant proteins. We make sure each recombinant protein’s activity is at least as good as or better than the competition’s. In order to provide you with the best possible product, we ensure that our testing process is rigorous and thorough. If you’re curious and eager to make the switch to BioLegend recombinants, contact your sales representative today!

What is the specific activity or ED50 of my recombinant protein?

The specific activity range of the protein is indicated on the product datasheets. Because the exact activity values on a per unit basis can largely fluctuate depending on a number of factors, including the nature of the assay, cell density, age of cells/passage number, culture media used, and end user technique, the specific activity is best defined as a range and we guarantee the specific activity of all our lots will be within the range indicated on the datasheet. Please note this only applies to recombinants labeled for use in bioassays. ELISA standard recombinant proteins are not recommended for bioassay usage as they are not tested for these applications.

Have your recombinants been tested for stability?

Our testing shows that the recombinant proteins are able to withstand room temperature for a week without losing activity. In addition the recombinant proteins were also found to withstand four cycles of freeze and thaw without losing activity.

Does specific activity of a recombinant protein vary between lots?

Specific activity will vary for each lot and for the type of experiment that is done to validate it, but all passed lots will have activity within the established ED50 range for the product and we guarantee that our products will have lot-to-lot consistency. Please conduct an experiment-specific validation to find the optimal ED50 for your system.

How do you convert activity as an ED50 in ng/ml to a specific activity in Units/mg?
Use formula Specific activity (Units/mg) = 10e6/ ED50 (ng/mL)
Go To Top Version: 3    Revision Date: 01/16/2015

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

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