Human IL-4 Quantikine ELISA Kit Summary
| Background |
The Quantikine Human IL-4 Immunoassay is a 4.5 hour solid phase ELISA designed to measure IL-4 levels in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human IL-4 and antibodies raised against the recombinant factor. This immunoassay has been shown to quantitate the recombinant human IL-4 accurately. Results obtained using natural human IL-4 sh...owed dose-response curves that were parallel to the standard curves obtained using the recombinant Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-4. |
| Specificity |
Natural and recombinant human IL-4 |
| Source |
N/A |
| Assay Type |
Solid Phase Sandwich ELISA |
| Inter-Assay |
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| Intra-Assay |
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| Spike Recovery |
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| Sample Volume |
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| Gene |
IL4 |
Applications/Dilutions
| Dilutions |
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| Application Notes |
No significant interference observed with available related molecules. |
| Publications |
Read Publications using D4050 in the following applications:
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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 Human IL-4 Quantikine ELISA Kit
Background
IL-4 (Interleukin-4) is a cytokine that is primarily expressed by Th2-biased CD4+ T cells, mast cells, basophils, and eosinophils. It promotes cell proliferation, survival, and immunoglobulin class switch to IgG4 and IgE in human B cells, acquisition of the Th2 phenotype by naïve CD4+ T cells, priming and chemotaxis of mast cells, eosinophils, and basophils, and the proliferation and activation of epithelial cells. IL-4 plays a dominant role in the development of allergic inflammation and asthma. The type I receptor for IL-4, which is expressed on hematopoietic cells, is a heterodimer of the ligand binding IL-4 R? and the common ? chain (a shared subunit of the receptors for IL-2, -7, -9, -15, and -21). The type II receptor on nonhematopoietic cells consists of IL-4 R? and IL-13 R?1. The type II receptor also transduces IL-13 mediated signals.
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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
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
FAQs for IL-4 (D4050). (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.