Mouse/Rat Osteopontin (OPN) Quantikine ELISA Kit Summary
| Background |
The Quantikine Mouse OPN Immunoassay is a 4.5 hour solid-phase ELISA designed to measure mouse OPN in cell culture supernates, serum, plasma, and urine. It contains NS0-expressed recombinant mouse OPN and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate the recombinant factor. Results obtained using natural mouse OPN showed linear cur...ves 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 naturally occurring mouse OPN. |
| Specificity |
Natural and recombinant mouse and rat OPN. This assay cross-reacts 8.2% with recombinant Human Osteopontin. |
| Source |
N/A |
| Assay Type |
Solid Phase Sandwich ELISA |
| Inter-Assay |
|
| Intra-Assay |
|
| Spike Recovery |
|
| Sample Volume |
|
| Gene |
Spp1 |
Applications/Dilutions
| Dilutions |
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| Application Notes |
No significant interference observed with available related molecules. |
| Publications |
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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 Mouse/Rat Osteopontin (OPN) Quantikine ELISA Kit
Background
Osteopontin (OPN), also known as bone sialoprotein (BSP), is a secreted SIBLING family protein that can be variably modified by O- and N-glycosylation, sulfation, phosphorylation, and transglutamination. OPN is widely expressed and is prominent in mineralized tissues. It inhibits bone mineralization and kidney stone formation and promotes inflammation, cell ad¬hesion, and migration. Its expression is upregulat¬ed during inflammation, obesity, atherosclerosis, cancer, and tissue damage and contributes to the pathophysiology of these conditions. The central region of OPN contains RGD and non-RGD binding sites for multiple integrins. Adjacent to the RGD motif is the sequence SLAYGLR (SVVYGLR in human) which serves as a cryptic binding site for additional integrins: it is masked in full length OPN but is exposed following OPN cleavage by multiple proteases in tumors and sites of tissue injury.
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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 Osteopontin/OPN (MOST00). (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.