Nori Bovine IL-2 ELISA MultiSet Kit
$659.00
DataSheet Â
This ELISA kit is for quantification of IL-2 in bovine. This is a quick ELISA assay that reduces time to 50% compared to the conventional method, and the entire assay only takes 3 hours. This assay employs the quantitative sandwich enzyme immunoassay technique and uses biotin-streptavidin chemistry to improve the performance of the assays. An antibody specific for IL2 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any IL2 present is bound by the immobilized antibody. After washing away any unbound substances, a detection antibody specific for IL2 is added to the wells. Following wash to remove any unbound antibody reagent, a detection reagent is added. After intensive wash a substrate solution is added to the wells and color develops in proportion to the amount of IL2 bound in the initial step. The color development is stopped, and the intensity of the color is measured.
Alternative names for IL-2: Interleukin 2, IL2
This product is for Laboratory Research Use Only not for diagnostic and therapeutic purposes or any other purposes.
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Description
Nori Bovine IL-2 ELISA MultiSet Kit Summary
Alternative names for IL-2: Interleukon 2, IL2,
Materials provided for 10-11 of 96-well plates
| Description | Quantity | Description | Quantity | Description | Quantity |
| Capture Antibody | 1 | Detection Antibody | 1 | Standard
|
3 |
| Assay Type | Solid Phase Sandwich ELISA |
| Format | 96-well Microplate or 96-Well Strip Microplate |
| Method of Detection | Colorimetric |
| Number of Targets Detected | 1 |
| Target Antigen Accession Number | P05016 |
| Assay Length | 3 hours |
| Quantitative/Semiquantitative | Quantitative |
| Sample Type | Plasma, Serum, Cell Culture, Urine, Cell/Tissue Lysates, Synovial Fluid, BAL, |
| Recommended Sample Dilution (Plasma/Serum) | No dilution for sample <ULOQ; sufficient dilution for samples >ULOQ |
| Sensitivity | 5 pg/mL |
| Detection Range | 25-1600 pg/mL |
| Specificity | Bovine IL-2 |
| Cross-Reactivity | < 0.5% cross-reactivity observed with available related molecules, < 50% cross-species reactivity observed with species tested. |
| Interference | No significant interference observed with available related molecules |
| Storage/Stability | 4 ºC for up to 6 months |
| Usage | For Laboratory Research Use Only. Not for diagnostic or therapeutic use. |
| Additional Notes | The kit allows for use in multiple experiments. |
Standard Curve
Protocol Outline
1. Prepare all reagents, samples and standards as instructed in the datasheet.
2.Plate preparation.
3. Add 100 µl of Standard or samples to each well and incubate 1 h at RT.
4. Add 100 µl of Working Detection Antibody to each well and incubate 1 h at RT.
5. Add 100 µl of Working Streptavidin-HRP to each well and incubate 20 min at RT.
6. Add 100 µl of Substrate to each well and incubate 5-30 min at RT.
7. Add 50 µl of Stop Solution to each well and read at 450 nm immediately.
Background:Â
IL-2 is an interleukin, a type of cytokine immune system signaling molecule. IL-2 is a T cell stimulatory cytokine best known for inducing T cell proliferation, the production of immunoglobulins made by B cells and differentiation and proliferation of natural killer cells (1,2). IL-2 is also necessary during T cell development in the thymus for the maturation of a unique subset of T cells that are termed regulatory T cells (T-regs) (3, 4, 5). Conversely, IL-2 is involved in activation induced cell death (AICD) that is observed post T cell expansion by increasing levels of Fas on CD4+ T cells (6). IL-2 signals through a trimeric receptor complex consisting of IL-2 receptor alpha (CD25), IL-2 receptor beta (CD122) and a common gamma chain (γc). IL-2 Rα binds exclusively to IL-2 with low affinity and increases binding affinity of the whole receptor complex including IL-2Rβ and γc subunits. IL-2Rβ is also used by IL-2. The common γc is shared by all members of this family of cytokines including IL-4, IL-7, IL-9, IL-2, and IL-21. Binding of IL-2 activates the Ras/MAPK, JAK/Stat and PI 3-kinase/Akt signaling modules (1,2).
References
- Ma, A. et al. (2006) Annu Rev Immunol 24, 657-79.
- Gaffen, S.L. and Liu, K.D. (2004) Cytokine 28, 109-23.
- Sakaguchi S, et al (1995). J. Immunol. 155 (3): 1151–64.
- Fehérvari, Z. et al. (2006) Trends Immunol 27, 109-11.
- Antony, P.A. et al. (2006) J Immunol 176, 5255-66.
- Jaleco, S. et al. (2003) J Immunol 171, 61-8.
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