Human Haptoglobin Quantikine ELISA Kit Summary
Product Summary
Recovery
The recovery of human haptoglobin spiked to levels throughout the range of the assay was evaluated.
| Sample Type | Average % Recovery | Range % |
|---|---|---|
| Serum-free Cell Culture Media (n=4) | 101 | 94-107 |
Linearity
Scientific Data
Product Datasheets
Preparation and Storage
Background: Haptoglobin
Haptoglobin is an acute phase glycoprotein that is an inactive member of the peptidase S1 family of serine proteases. It is secreted by multiple cell types and binds with high affinity to circulating Hemoglobin. Association of Haptoglobin with free Hemoglobin protects tissues from Hemoglobin-mediated oxidative damage and facilitates Hemoglobin clearance. In addition, Haptoglobin has anti-inflammatory properties that are independent of Hemoglobin binding. It inhibits prostaglandin synthesis, scavenges nitric oxide, dampens the inflammatory response to endotoxins, and inhibits T cell proliferation and neutrophil respiratory bursts. Deletion of Haptoglobin in mice facilitates the development of autoimmune inflammation.
Assay Procedure
Refer to the product- Prepare all reagents, standard dilutions, and samples as directed in the product insert.
- Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.
- Add 200 µL of Assay Diluent to each well.
- Add 20 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours on a horizontal orbital microplate shaker.
- Aspirate each well and wash, repeating the process 3 times for a total of 4 washes.
- Add 200 µL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours on the shaker.
- Aspirate and wash 4 times.
- Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes on the benchtop. PROTECT FROM LIGHT.
- Add 50 µL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm.
Citations for Human Haptoglobin Quantikine ELISA Kit
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Citations: Showing 1 - 7
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The Role of Fractalkine in the Regulation of Endometrial Iron Metabolism in Iron Deficiency
Authors: Pandur, E;Pap, R;Jánosa, G;Horváth, A;Sipos, K;
International journal of molecular sciences
Species: Human
Sample Types: Cell Culture Supernates
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Biomarkers of inflammation and epithelial barrier function in multiple sclerosis
Authors: A Olsson, S Gustavsen, IC Hasselbalc, AR Langkilde, F Sellebjerg, AB Oturai, HB Søndergaar
Mult Scler Relat Disord, 2020-09-19;46(0):102520.
Species: Human
Sample Types: Serum
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Long-lasting severe immune dysfunction in Ebola virus disease survivors
Authors: A Wiedemann, E Foucat, H Hocini, C Lefebvre, BP Hejblum, M Durand, M Krüger, AK Keita, A Ayouba, S Mély, JC Fernandez, A Touré, S Fourati, C Lévy-March, H Raoul, E Delaporte, L Koivogui, R Thiébaut, C Lacabaratz, Y Lévy
Nat Commun, 2020-07-24;11(1):3730.
Species: Human
Sample Types: Serum
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Lipid metabolism impairment in patients with sepsis secondary to hospital acquired pneumonia, a proteomic analysis
Authors: NK Sharma, BL Ferreira, AK Tashima, MKC Brunialti, RJS Torquato, A Bafi, M Assuncao, LCP Azevedo, R Salomao
Clin Proteomics, 2019-07-16;16(0):29.
Species: Human
Sample Types: Plasma
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Association between serum haptoglobin and carotid arterial functions: usefulness of a targeted metabolomics approach
Authors: S Wang, J Wang, R Zhang, A Zhao, X Zheng, D Yan, F Jiang, W Jia, C Hu, W Jia
Cardiovasc Diabetol, 2019-01-11;18(1):8.
Species: Human
Sample Types: Serum
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Genetic markers for urine haptoglobin is associated with decline in renal function in type 2 diabetes in East Asians
Authors: RL Gurung, R Dorajoo, S Liu, Y M, JJ Liu, L Wang, L Guo, X Yu, JJ Liu, SC Lim
Sci Rep, 2018-03-23;8(1):5109.
Species: Human
Sample Types: Urine
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Mendelian randomization analysis to assess a causal effect of haptoglobin on macroangiopathy in Chinese type 2 diabetes patients
Authors: S Wang, J Wang, R Zhang, T Wang, D Yan, Z He, F Jiang, C Hu, W Jia
Cardiovasc Diabetol, 2018-01-16;17(1):14.
Species: Human
Sample Types: Serum
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