Human IL-27 APC-conjugated Antibody

Catalog # Availability Size / Price Qty
IC25261A
Human IL-27 APC-conjugated Antibody in Data
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Human IL-27 APC-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-27 in direct ELISAs.
Source
Monoclonal Mouse IgG2A Clone # 307426
Purification
Protein A or G purified from hybridoma culture supernatant
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)
Formulation
Supplied in a saline solution containing BSA and Sodium Azide.
Label
Allophycocyanin (Excitation= 620-650 nm, Emission= 660-670 nm)

Applications

Recommended Concentration
Sample
Intracellular Staining by Flow Cytometry
10 µL/106 cells
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Intracellular Staining by Flow Cytometry Detection of IL‑27 in Human PBMCs by Flow Cytometry. View Larger

Detection of IL‑27 in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) were stained with Mouse Anti-Human IL-27 APC-conjugated Monoclonal Antibody (Catalog # IC25261A, filled histogram) or isotype control antibody (Catalog # IC003A, open histogram). View our protocol for Staining Intracellular Molecules.

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Reconstitution Calculator

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: IL-27

IL-27 is a non-covalent heterodimeric ligand molecule that belongs to the IL-6/IL-12 family of long type I cytokines. 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. The human EBI3 gene encodes a 229 amino acid (aa) precursor that contains a 20 aa signal peptide and 209 aa mature protein. 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. 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. 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. 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. 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. 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 that generates Th1 cells at the expense of Th2 and Th17 cells. Finally, IL-27 upregulates both MHC-II and chemokine (CXCL9; CXCL10) expression on vascular endothelium, suggesting a role for IL-27 in vascular inflammation.

Long Name
Interleukin 27
Entrez Gene IDs
246778 (Human); 246779 (Mouse); 102121242 (Cynomolgus Monkey)
Alternate Names
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

Product Datasheets

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