Human IL-8/CXCL8 Quantikine ELISA Kit

Product Details

Summary
Reactivity HuSpecies Glossary
Applications ELISA
Conjugate
HRP

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Catalog# & Conjugate Size Price

Human IL-8/CXCL8 Quantikine ELISA Kit Summary

Background
The Quantikine Human IL-8 Immunoassay is a 3.5 hour solid phase ELISA designed to measure human IL-8 in cell culture supernates, serum, and plasma. It is based on antibodies raised against the 72 aa variant of human IL-8 derived from E. coli. It is calibrated with the same recombinant factor. This immunoassay accurately quantitates recombinant human IL-8. Measurement of natural huma...n IL-8 or the 77 aa variant of human IL-8 gave results parallel to the standard curves obtained using the E. coli-expressed Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-8.
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Specificity
Natural and recombinant human IL-8
Source
N/A
Assay Type
Solid Phase Sandwich ELISA
Inter-Assay
See PDF Datasheet for details
Intra-Assay
See PDF Datasheet for details
Spike Recovery
See PDF Datasheet for details
Sample Volume
See PDF Datasheet for details
Gene
CXCL8

Applications/Dilutions

Application Notes
No significant interference observed with available related molecules.
Publications
Read Publications using
D8000C in the following applications:

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-8/CXCL8 Quantikine ELISA Kit

  • 3-10C
  • AMCF-I
  • C-X-C motif chemokine 8
  • CXCL8
  • CXCL8SCYB8
  • Emoctakin
  • GCP1
  • GCP-1TSG-1
  • IL8
  • IL-8
  • interleukin 8
  • K60
  • LAI
  • LECT
  • LUCT
  • LYNAP
  • MDNCF
  • MDNCFb-ENAP
  • member 8
  • MONAP
  • MONAPGCP1
  • NAF
  • NAP1
  • NAP-1NAP1
  • NCF
  • Neutrophil-activating protein 1
  • Protein 3-10C
  • T cell chemotactic factor
  • T-cell chemotactic factor
  • TCF
  • TSG1

Background

Interleukin-8 (IL-8), also known as IL-8, GCP-1, and NAP-1, is a heparin-binding 8-9 kDa member of the alpha, or CXC family of chemokines. There are at least 15 human CXC family members that all adopt a three beta -sheet/one alpha -helix structure. Most CXC chemokines show an N-terminal Glu-Leu-Arg (ELR) tripeptide motif. IL-8 circulates as a monomer, homodimer, and heterodimer with CXCL4/PF4. The monomer is considered the most bio-active, while the heterodimer can potentiate PF4 activity. IL-8 oligomerization is modulated by its interactions with matrix and cell surface glycosaminoglycans (GAGs). Mature human IL-8 shares 65-69% amino acid (aa) identity with canine, feline, and porcine IL-8. There is no IL-8 gene counterpart in rodent. 

Multiple isoforms of IL-8 are generated through both alternative splicing and differential proteolytic cleavage. In humans, alternative splicing generates an iso-form with an eleven aa substitution at the C-terminus. Proteolytic processing results in N-terminal truncation of IL-8 and is likely a cell-specific event. For example, fibroblasts and endothelial cells generate the 1-77 form by cleaving IL-8 following Glu21, while monocytes and lymphocytes generate the 6-77 form by cleaving following Leu25. These truncated forms generally show increased bioactivity, particularly through the CXCR1 receptor. IL-8 can also undergo citrullination on Arg27 of the precursor, a modification that increases its half-life and ability to induce leukocytosis. A wide variety of cells secrete IL-8 including monocytes and neutrophils, fibroblasts and keratinocytes, mast cells, visceral smooth muscle cells, dendritic cells, type II great alveolar cells, and endothelial cells. 

IL-8 bioactivity is mediated through two G-protein-coupled receptors, termed CXCR1/IL-8 RA and CXCR2/IL-8 RB. CXCR1 is 45-50 kDa in size and is used almost exclusively by IL-8. CXCR2 is 35-40 kDa in size and is used by nearly all CXC chemokines. Both CXCR1 and CXCR2 constitutively associate into functional homodimers. They can also heterodimerize, but these complexes dissociate following IL-8 binding. CXCR2 responds to low concentrations of IL-8 and is principally associated with chemotaxis and MMP-9 release. CXCR1, in contrast, responds to high concentrations of IL-8 and is associated with respiratory burst and phospholipase D2 activation. Thus, CXCR2 ligation induces leukocyte adhesion to activated vascular endothelium and migration to sites of inflammation, while CXCR1 ligation primes neutrophil antimicrobial activity. IL-8 can also form a complex with Serpin A1/alpha-1 Antitrypsin, and this prevents IL-8 interaction with CXCR1. 

In addition to its pro-inflammatory effects, IL-8 is involved in angiogenesis and the pathogenesis of atherosclerosis and cancer. It induces VEGF expression in vascular endothelial cells and functions as an autocrine factor for EC growth and angiogenesis. It is upregulated in atherosclerotic lesions and is elevated in the serum and cerebrospinal fluid following myocardial infarction. In cancer, IL-8 promotes epithelial-mesenchymal transition as well as tumor cell invasiveness and metastasis.

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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.

Publications for CXCL8/IL-8 (D8000C)(310)

We have publications tested in 11 confirmed species: Human, Mouse, Rat, Bacteria - Streptococcus pyogenes, Bovine, Porcine, Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque), Primate - Macaca mulatta (Rhesus Macaque), Primate - Papio cynocephalus (Yellow Baboon), Primate - Papio hamadryas (Hamadyras Baboon), Rabbit.

We have publications tested in 1 application: ELISA Capture.


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ELISA Capture
(2)
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Filter By Species
Human
(291)
Mouse
(1)
Rat
(1)
Bacteria - Streptococcus pyogenes
(1)
Bovine
(4)
Porcine
(1)
Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque)
(2)
Primate - Macaca mulatta (Rhesus Macaque)
(1)
Primate - Papio cynocephalus (Yellow Baboon)
(1)
Primate - Papio hamadryas (Hamadyras Baboon)
(1)
Rabbit
(3)
All Species
Showing Publications 1 - 10 of 310. Show All 310 Publications.
Publications using D8000C Applications Species
C Owen-Woods, R Joulia, A Barkaway, L Rolas, B Ma, AF Nottebaum, KP Arkill, M Stein, T Girbl, M Golding, DO Bates, D Vestweber, MB Voisin, S Nourshargh Local microvascular leakage promotes trafficking of activated neutrophils to remote organs J. Clin. Invest., 2020;0(0):. 2020 [PMID: 31971917] (Mouse) Mouse
S Yuan, C Tang, D Chen, F Li, M Huang, J Ye, Z He, W Li, Y Chen, X Lin, X Wang, X Cai miR-98 Modulates Cytokine Production from Human PBMCs in Systemic Lupus Erythematosus by Targeting IL-6 mRNA J Immunol Res, 2019;2019(0):9827574. 2019 [PMID: 31886314] (Human) Human
Y He, Q Yang, X Wang, A Jia, W Xie, J Zhou Inhibition of Triggering Receptor Expressed on Myeloid Cell-1 Alleviates Acute Gouty Inflammation Mediators Inflamm., 2019;2019(0):5647074. 2019 [PMID: 31885496] (Human) Human
HL Lung, ML Lung, S Law Serum amyloid A1 polymorphisms as risk factors in oesophageal squamous cell carcinoma Hong Kong Med J, 2019;25(5):4-8. 2019 [PMID: 31761762] (Human) Human
M Wei, Y Liu, M Zheng, L Wang, F Ma, Y Qi, G Liu Upregulation of Protease-Activated Receptor 2 Promotes Proliferation and Migration of Human Vascular Smooth Muscle Cells (VSMCs) Med. Sci. Monit., 2019;25(0):8854-8862. 2019 [PMID: 31756174] (Human) Human
SJ Park, H Kim, SH Kim, EH Joe, I Jou Epigenetic downregulation of STAT6 increases HIF-1α expression via mTOR/S6K/S6, leading to enhanced hypoxic viability of glioma cells Acta Neuropathol Commun, 2019;7(1):149. 2019 [PMID: 31530290] (Human) Human
H Flori, A Sapru, MW Quasney, G Gildengori, MAQ Curley, MA Matthay, MK Dahmer, A prospective investigation of interleukin-8 levels in pediatric acute respiratory failure and acute respiratory distress syndrome Crit Care, 2019;23(1):128. 2019 [PMID: 30995942] (Human) Human
W Jiang, S Li, X Chen, W Zhang, Y Chang, Y He, S Zhang, X Su, T Gao, C Li, Z Jian Berberine protects immortalized line of human melanocytes from H2O2-induced oxidative stress via activation of Nrf2 and Mitf signaling pathway J. Dermatol. Sci., 2019;0(0):. 2019 [PMID: 30987854] (Human) Human
F De Felice, F Megiorni, I Pietranton, P Tini, G Lessiani, D Mastroiaco, P Mattana, C Antinozzi, L Di Luigi, S Delle Mona, A Angelucci, C Festuccia, A Fanzani, R Maggio, V Tombolini, GL Gravina, F Marampon Sulodexide counteracts endothelial dysfunction induced by metabolic or non-metabolic stresses through activation of the autophagic program Eur Rev Med Pharmacol Sci, 2019;23(6):2669-2680. 2019 [PMID: 30964194] (Human) Human
OM Koper-Lenk, J Kami?ska, A Milewska, K Sawicki, M Jadeszko, Z Mariak, J Resze?, V Dymicka-Pi, J Matowicka- Serum and cerebrospinal fluid Neudesin concentration and Neudesin Quotient as potential circulating biomarkers of a primary brain tumor BMC Cancer, 2019;19(1):319. 2019 [PMID: 30953468] (Human) Human
Show All 310 Publications.

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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for CXCL8/IL-8 (D8000C). (Showing 1 - 1 of 1 FAQs).

  1. wondering what the difference is between your quantikine and duo set elisas?
    • Usually the duosets do not have the entire kit such as plates and buffers, whereas the other kits are complete.

Other Available Formats

HRP D8000C
HRP D8000C
HRP D8000C

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Bioinformatics

Gene Symbol CXCL8