Human TNF RII/TNFRSF1B Quantikine ELISA Kit Summary
| Background |
The Quantikine Human sTNF RII Immunoassay is a 3.5 or 4.5 hour solid phase ELISA designed to measure human sTNF RII in cell culture supernates, serum, plasma, or urine. It contains E. coli-expressed recombinant human sTNF RII as well as antibodies raised against this polypeptide. The recombinant protein represents the non-glycosylated, N-terminal methionyl form of the naturally occu...rring human soluble Type II receptor for TNF, minus 53 amino acids from the proline-rich region of the protein just exterior to the transmembrane domain, with an apparent molecular weight of approximately 19.8 kDa. This immunoassay has been shown to accurately quantitate the recombinant soluble sTNF RII. Results obtained using natural sTNF RII showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural sTNF RII. Since the measurement of human sTNF RII by this immunoassay is insensitive to added TNF-alpha or TNF-beta, it is probable that this measurement corresponds to the total amount of the soluble receptor present in samples, (i.e. the total amount of free receptor plus the total amount of receptor bound to TNF). |
| Specificity |
Natural and recombinant human sTNF RII |
| Source |
N/A |
| Assay Type |
Solid Phase Sandwich ELISA |
| Inter-Assay |
|
| Intra-Assay |
|
| Spike Recovery |
|
| Sample Volume |
|
| Gene |
TNFRSF1B |
Applications/Dilutions
| Dilutions |
|
| Application Notes |
No significant interference observed with available related molecules. |
| Publications |
|
Packaging, Storage & Formulations
| Storage |
Store the unopened product at 2 - 8 °C. Do not use past expiration date. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Human TNF RII/TNFRSF1B Quantikine ELISA Kit
Background
TNF RII (Tumor Necrosis Factor Receptor II), also known as TNFRSF1B, p75/p80, and CD120b, is a widely expressed receptor for membrane-associated TNF-alpha and Lymphotoxin-alpha. Its activation initiates pro-inflammatory and pro-survival responses via NFkB-dependent signaling pathways, although it may also induce apoptosis.
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⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Product General Protocols
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FAQs for TNF RII/TNFRSF1B (DRT200). (Showing 1 - 1 of 1 FAQs).
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What is the difference between the Quantikine and Duoset ELISA kits?
- Our Quantikine kits are fully optimized and validated for the sample types listed on the product specific webpage and datasheet, as this can vary between kits. Each kit is supplied ready to use with one pre-coated 96-well plate, a detection antibody directly conjugated to HRP, and all other necessary reagents. These kits are ideal for researchers who want the convenience of a ready to use and optimized ELISA product. Some of these kits are also available prepackaged in larger 6 and 50 plate sizes.Our DuoSet Kits, in contrast, are ELISA development kits containing the capture and detection antibody, the mass-value calibrated standard, and streptavidin-HRP to prepare approximately 5 or 15 plates. Ancillary reagents will need to be used/purchased, and for most kits, we will recommend one of our Ancillary Reagent Kits, which contain the reagents we use ourselves in-house. DuoSet kits are validated only for cell culture supernatant samples and therefore require further development and validation for accurate measurement in more complex samples such as serum and plasma. Our DuoSet Kits offer an economical, flexible alternative for the experienced ELISA user.
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