Key Product Details

Species Reactivity

Human

Applications

Western Blot, Simple Western

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 1028336
View all IL-8/CXCL8 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived human IL-8/CXCL8
Ser28-Ser99
Accession # P10145.1

Specificity

Detects human IL-8/CXCL8 in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human IL-8/CXCL8 Antibody

Detection of Human IL-8/CXCL8 by Western Blot.

Western blot shows lysates of THP‑1 human acute monocytic leukemia cell line untreated (-) or treated (+) with 200 nM PMA for 24 hours and 10 µg/mL LPS for 3 hours. PVDF membrane was probed with 3 µg/mL of Mouse Anti-Human IL-8/CXCL8 Monoclonal Antibody (Catalog # MAB2083) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (HAF018). A specific band was detected for IL-8/CXCL8 at approximately 11 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.

Detection of Human IL-8/CXCL8 by Simple WesternTM.

Simple Western lane view shows PBMC conditioned media untreated (-) or treated (+) with 2 µg/mL LPS for 24 hours, 200 ng/mL PMA for 24 hours, and 10 µg/mL ionomycin for 3 hours, loaded at 0.2 mg/mL. A specific band was detected for IL-8/CXCL8 at approximately 9 kDa (as indicated) using 50 µg/mL of Mouse Anti-Human IL-8/CXCL8 Monoclonal Antibody (Catalog # MAB2083). This experiment was conducted under reducing conditions and using the 2-40 kDa separation system.

Applications for Human IL-8/CXCL8 Antibody

Application
Recommended Usage

Simple Western

50 µg/mL
Sample: PBMC conditioned media treated with PMA, ionomycin, and LPS

Western Blot

3 µg/mL
Sample: THP‑1 human acute monocytic leukemia cell line treated with LPS and PMA

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: IL-8/CXCL8

Interleukin-8 (IL-8), also known as CXCL8, GCP-1, and NAP-1, is a widely expressed proinflammatory member of the CXC family of chemokines. Near its N-terminus, this 8-9 kDa chemokine contains an ELR motif which is important for its angiogenic properties (1). IL-8/CXCL8 can associate into a homodimer or a heterodimer with CXCL4/PF4 (2), and it can also interact with matrix and cell surface glycosaminoglycans (3). Mature human IL-8/CXCL8 shares 65%-69% amino acid (aa) sequence identiity with canine, feline, and porcine IL-8/CXCL8 (4). There is no IL-8/CXCL8 gene counterpart in rodent. N-terminal truncation by multiple proteases generates a range of shorter forms, and an alternative splice form of human IL-8/CXCL8 carries an eleven aa substitution at the C-terminus (5). The bioactivity of IL-8/CXCL8 is regulated by these truncations, by IL-8/CXCL8 citrullination at Arg5 (N-terminal to the ELR motif) (6), and by the decoy receptor DARC (7). IL-8/CXCL8 effects are mediated through CXCR1/IL-8 RA, which is also used by CXCL6, and through CXCR2/IL-8 RB, which is used by multiple CXC chemokines (1). CXCR1 and CXCR2 associate into functional homodimers and heterodimers with each other (8). Through both CXCR1 and CXCR2, CXCL8 promotes neutrophil adhesion to the vascular endothelium and migration to sites of inflammation (9). It triggers the antimicrobial activation of neutrophils through CXCR1 (10). CXCL8 also binds to Serpin A1/alpha-1 Antitrypsin, and this prevents IL-8/CXCL8 interaction with CXCR1 (11). IL-8/CXCL8 is upregulated in atherosclerotic lesions and other cardiac pathologies where it exacerbates inflammatory tissue damage (12). In addition, it induces VEGF expression, vascular endothelial cell proliferation, angiogenesis, and tumor cell invasiveness (13-16).

References

  1. Lazennec, G. and A. Richmond (2010) Trends Mol. Med. 16:133.
  2. Nesmelova, I.V. et al. (2005) J. Biol. Chem. 280:4948.
  3. Pichert, A. et al. (2012) Biomatter 2:142.
  4. Schmid, J. and C. Weissmann (1987) J. Immunol. 139:250.
  5. Mortier, A. et al. (2008) Pharmacol. Ther. 120:197.
  6. Proost, P. et al. (2008) J. Exp. Med. 205:2085.
  7. Neote, K. et al. (1994) Blood 84:44.
  8. Munoz, L.M. et al. (2009) J. Immunol. 183:7337.
  9. Gerszten, R.E. et al. (1999) Nature 398:718.
  10. Jones, S.A. et al. (1996) Proc. Natl. Acad. Sci. USA 93:6682.
  11. Bergin, D.A. et al. (2010) J. Clin. Invest. 120:4236.
  12. Apostolakis, S. et al. (2009) Cardiovasc. Res. 84:353.
  13. Martin, D. et al. (2009) J. Biol. Chem. 284:6038.
  14. Li, A. et al. (2005) Angiogenesis 8:63.
  15. Waugh, D.J. and C. Wilson (2008) Clin. Cancer Res. 14:6735.
  16. Fernando, R.I. et al. (2011) Cancer Res. 71:5296.

Long Name

Interleukin 8

Alternate Names

CXCL8, GCP1, IL8, LAI, LECT, LUCT, LYNAP, MDNCF, MONAP, NAF, NAP1, NCF, TCF, TSG1

Entrez Gene IDs

3576 (Human); 396880 (Porcine); 403850 (Canine); 493836 (Feline)

Gene Symbol

CXCL8

UniProt

P10145.1

Additional IL-8/CXCL8 Products

Product Documents for Human IL-8/CXCL8 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human IL-8/CXCL8 Antibody

For research use only

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