IL-27 Antibody (307426) [Alexa Fluor® 488]

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
307426
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 488
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

IL-27 Antibody (307426) [Alexa Fluor® 488] Summary

Immunogen
Mouse myeloma cell line NS0-derived recombinant human IL‑27
Arg21-Lys229 of EBI-3 (Accession #Q14213.2) and Phe29-Pro243 of p28 (Accession #AAM34498)
Specificity
Detects human IL-27 in direct ELISAs.
Isotype
IgG2a
Clonality
Monoclonal
Host
Mouse
Gene
IL27
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Intracellular Staining by Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Buffer
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Preservative
0.09% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for IL-27 Antibody (307426) [Alexa Fluor® 488]

  • IL-27 p28 subunit
  • IL-27 subunit alpha
  • IL27
  • IL-27
  • IL27A
  • IL-27-A
  • IL27-A
  • IL27p28
  • IL30
  • interleukin 27
  • interleukin 30
  • interleukin-27 subunit alpha
  • MGC71873
  • p28IL-27A

Background

IL-27 is a heterodimeric group 2 receptor ligand molecule that belongs to the IL-6/IL-12 family of long type I cytokines (1). It is composed of EBI3 (EBV-induced gene 3), a 34 kDa glycoprotein that is related to the p40 subunit of IL-12 and IL-23, and p28, the 28 kDa glycoprotein that is related to the p35 chain of IL-12 (2-4). The human EBI3 gene encodes a 229 amino acid (aa) precursor that contains a 20 aa signal peptide and 209 aa mature protein (5). The mature region contains two potential N-linked glycosylation sites, two fibronectin type III domains, and two pairs of conserved cysteine residues with a WSXWS-like motif that places the molecule in the hematopoietin receptor family (5). Although p40, the EBI3 counterpart in IL-12, is known to form homodimers, there is no evidence to date that EBI3 also homodimerizes. Human EBI3 is 61% aa identical to mouse EBI3. The human p28 gene encodes a 243 aa precursor that contains a 28 aa signal sequence and 215 aa mature region (6). The mature region is characterized by the presence of four alpha -helices, placing it in the IL-6 family of helical cytokines. Human p28 is 74% aa identical to mouse p28. IL-27 is expressed by monocytes, endothelial cells and dendritic cells (7). IL-27 binds to and signals through a heterodimeric receptor complex composed of WSX-1 (TCCR) and gp130. Evidence suggests IL-27 interacts only with WSX-1 (6, 8, 9). IL-27 has both anti- and proinflammatory properties. As an anti‑inflammatory, IL-27 seems to induce a general negative feedback program that limits T and NK-T cell activity (3, 7). At the onset of infection, IL-27 induces an IL‑12 receptor on naïve CD4+ T cells, making them susceptible to subsequent IL-12 activity (and possible Th1 development) (10).

  1. Boulay, J-L. et al. (2003) Immunity 19:159. 
  2. Trinchieri, G. et al. (2003) Immunity 19:641. 
  3. Murakami, M. et al. (2004) Growth Factors 22:75. 
  4. Cordoba-Rodriguez, R. and D.M. Frucht (2003) Exp. Opin. Biol. Ther. 3:715. 
  5. Devergne, O. et al. (1996) J. Virology 70:1143. 
  6. Pflanz, S. et al. (2002) Immunity 16:779.
  7. Villarino, A.V. et al. (2004) J. Immunol. 173:715.
  8. Pflanz, S. et al. (2004) J Immunol 172:2225.
  9. Scheller, J. et al. (2005) Biochem. Biophys. Res. Commun. 326:724.
  10. Holscher, C. (2004) Med. Microbiol. Immunol. (Berl).193:1.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies

 

Isotype Controls

Other Available Formats

Alexa Fluor 350 IC25261U
Alexa Fluor 405 IC25261V
Alexa Fluor 488 IC25261G
Alexa Fluor 594 IC25261T
Alexa Fluor 647 IC25261R
Alexa Fluor 700 IC25261N
Alexa Fluor 750 IC25261S
Allophycocyanin IC25261A
Fluorescein IC25261F
Phycoerythrin IC25261P

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Bioinformatics

Gene Symbol IL27