Nori Human CXCL10 (IP-10) ELISA Kit
$461.00 – $832.00
This ELISA kit is for quantification of CXCL10 in human. 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 CXCL10 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any CXCL10 present is bound by the immobilized antibody. After washing away any unbound substances, a detection antibody specific for CXCL10 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 CXCL10 bound in the initial step. The color development is stopped, and the intensity of the color is measured.
Alternative names for CXCL10: C-X-C motif chemokine 10 (CXCL10), Interferon gamma-induced protein 10 (IP-10), small-inducible cytokine B10
This product is for laboratory research use only not for diagnostic and therapeutic purposes or any other purposes.
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Description
Nori Human CXCL10 ELISA Kit Summary
Alternative names for CXCL10: C-X-C motif chemokine 10 (CXCL10), Interferon gamma-induced protein 10 (IP-10), small-inducible cytokine B10, INP10, SCYB10
| 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 | P02778 |
| 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 | Human CXCL10 (IP-10) |
| 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
Kit Components
1. Pre-coated 96-well Microplate
2. Biotinylated Detection Antibody
3. Streptavidin-HRP Conjugate
4. Lyophilized Standards
5. TMB One-Step Substrate
6. Stop Solution
7. 20 x PBS
8. Assay Buffer
Other Materials Required but not Provided:
1. Microplate Reader capable of measuring absorption at 450 nm
2. Log-log graph paper or computer and software for ELISA data analysis
3. Precision pipettes (1-1000 µl)
4. Multi-channel pipettes (300 µl)
5. Distilled or deionized water
Protocol Outline
1. Prepare all reagents, samples and standards as instructed in the datasheet.
2. Add 100 µl of Standard or samples to each well and incubate 1 h at RT.
3. Add 100 µl of Working Detection Antibody to each well and incubate 1 h at RT.
4. Add 100 µl of Working Streptavidin-HRP to each well and incubate 20 min at RT.
5. Add 100 µl of Substrate to each well and incubate 5-30 min at RT.
6. Add 50 µl of Stop Solution to each well and read at 450 nm immediately.
Background:
C-X-C motif chemokine 10 (CXCL10) also known as Interferon gamma-induced protein 10 (IP-10) or small-inducible cytokine B10 is an 8.7 kDa protein that is encoded by the CXCL10 gene.[1] C-X-C motif chemokine 10 is a small cytokine belonging to the CXC chemokine family. CXCL10 is secreted by several cell types in response to IFN-γ. These cell types include monocytes, endothelial cells and fibroblasts.[1] CXCL10 has been attributed to several roles, such as chemoattraction for monocytes/macrophages, T cells, NK cells, and dendritic cells, promotion of T cell adhesion to endothelial cells, antitumor activity, and inhibition of bone marrow colony formation and angiogenesis.[2][3] This chemokine elicits its effects by binding to the cell surface chemokine receptor CXCR3.[6] Baseline pre-treatment plasma levels of CXCL10 are elevated in patients chronically infected with hepatitis C virus (HCV) of genotypes 1 or 4 who do not achieve a sustained viral response (SVR) after completion of antiviral therapy.[4][5] CXCL10 in plasma is mirrored by intrahepatic CXCL10 mRNA, and both strikingly predict the first days of elimination of HCV RNA (“first phase decline”) during interferon/ribavirin therapy for all HCV genotypes.[6]This also applies for patients co-infected with HIV, where pre-treatment IP-10 levels below 150 pg/mL are predictive of a favorable response, and may thus be useful in encouraging these otherwise difficult-to-treat patients to initiate therapy.[7]
References
- Luster AD, et al. (1985). Nature 315(6021): 672–6.
- Dufour JH, et al. (2002). J. Immunol. 168(7): 3195–204.
- Angiolillo AL, et al. (1995). J. Exp. Med. 182(1): 155–62.
- Romero AI, et al. (2006). J. Infect. Dis. 194(7): 895–903.
- Lagging M, et al. (2006). Hepatology 44(6): 1617–25.
- Askarieh G, et al. (2010). Hepatology 51(5): 1523–30.
- Falconer K, et al. (2010). Scand J Infect Dis 42(11–12): 100824014139078.
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