Human IL-23 R APC-conjugated Antibody

(3 citations)   
  • Species Reactivity
  • Specificity
    Detects human IL-23 R in direct ELISAs and Western blots. Does not cross-react with recombinant mouse (rm) IL‑23 R.
  • Source
    Monoclonal Mouse IgG2B Clone # 218213
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human IL-23 R
    Accession # Q5VWK5
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
  • 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 Examples
Detection of IL‑23 R in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) treated with 50 ng/mL PMA, 200 ng/mL Calcium Ionomycin, 200 ng/mL LPS, 20 ng/mL Recombinant Human IL‑23 (Catalog # 1290-IL), and 40 ng/mL Recombinant Human IL‑6 (Catalog # 206-IL) overnight to induce Th17 development were stained with Mouse Anti-Human CD4 PE‑conjugated Monoclonal Antibody (Catalog # FAB3791P) and either (A) Mouse Anti-Human IL‑23 R APC‑conjugated Monoclonal Antibody (Catalog # FAB14001A) or (B) Mouse IgG2B Allophycocyanin Isotype Control (Catalog # IC0041A). View our protocol for Staining Membrane-associated Proteins.
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-23 R

Interleukin 23 (IL-23) is a heterodimeric cytokine composed of two disulfide-linked subunits, a p19 subunit that is unique to IL-23, and a p40 subunit that is shared with IL-12 (1 - 5). The functional IL-23 receptor complex consists of two receptor subunits, the IL-12 receptor beta 1 subunit (IL-12 R beta 1) and the IL-23-specific receptor subunit (IL-23 R) (3). Human IL-23 R cDNA encodes a 629 aa type I transmembrane protein with a 23 aa residue signal peptide, a 330 aa residue extracellular domain, a 23 aa residue transmembrane domain and a 253 aa residue cytoplasmic region. IL-23 R shares structural features with the IL-12 R beta 2, including an N-terminal Ig-like domain, two cytokine receptor domains and multiple glycosylation sites in the extracellular domain. IL-23 R lacks the three extracellular membrane-proximal fibronectin-type III domains present on IL-12 R beta 2. IL-23 R has a WQPWS sequence in the transmembrane-proximal cytokine receptor domain similar to the cytokine receptor signature WSXWS motif. The cytoplasmic region of IL-23 R has three potential Src homology 2 domain-binding sites and two potential Stat-binding sites. The gene for human IL-23 R is located on human chromosome 1 within 150 kb of IL-12 R beta 2. Human and mouse IL-23 R share 66% amino acid sequence identity. Based on quantitative real-time PCR, human IL-23 R mRNA is expressed in a human Th1 and Th0 clone as well as several NK cell lines and clones. Low but detectable levels of IL-23 R mRNA is also expressed in EBV-transformed B cells and activated PBMC. IL-23 initiates a signal transduction cascade similar to that of IL-12, and involves Jak2, Tyk2, Stat1, Stat3, Stat4, and Stat5. IL-23 has biological activities that are similar to, but distinct from IL-12.

  • References:
    1. Oppmann, B. et al. (2000) Immunity 13:715.
    2. Lankford, C.S. and D.M. Frucht (2003) J. Leukoc. Biol. 73:49.
    3. Parham, C. et al. (2002) J. Immunol. 168:5448.
    4. Belladonna, M.L. et al. (2002) J. Immunol. 168:5448.
    5. Aggarwal, S. et al. (2003) J. Biol. Chem. 278:1910.
  • Long Name:
    Interleukin 23 Receptor
  • Entrez Gene IDs:
    149233 (Human); 209590 (Mouse)
  • Alternate Names:
    IBD17; IL-23 receptor; IL23R; IL-23R; interleukin 23 receptor; interleukin-23 receptor
Related Research Areas

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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Sample Type
  1. IL-11 Induces Th17 Cell Responses in Patients with Early Relapsing-Remitting Multiple Sclerosis.
    Authors: Zhang X, Tao Y, Chopra M, Dujmovic-Basuroski I, Jin J, Tang Y, Drulovic J, Markovic-Plese S
    J Immunol, 2015;194(11):5139-49.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  2. Age and CD161 expression contribute to inter-individual variation in interleukin-23 response in CD8+ memory human T cells.
    Authors: Shen H, Zhang W, Abraham C, Cho J
    PLoS ONE, 2013;8(3):e57746.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  3. Kaposi's sarcoma-associated herpesvirus ORF54/dUTPase downregulates a ligand for the NK activating receptor NKp44.
    Authors: Madrid, Alexis S, Ganem, Don
    J Virol, 2012;86(16):8693-704.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2B APC-conjugated Antibody

Ctrl IC0041A 4  
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Staining Reagents
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Flow Cytometry Staining Buffer (1X)

Flow FC001 3
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Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 1
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Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
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