Human IL-12/IL-23 p40 Antibody

  (6 citations)
(1 Review)
    
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Citations (6)
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  • Species Reactivity
    Human
  • Specificity
    Detects human IL-12 (p40/p35 heterodimer), IL-23 (p40/p19 heterodimer), and p40 homodimers in direct ELISAs. In direct ELISAs, this antibody does not cross-react with recombinant mouse (rm) IL-12 p40 or rpIL-12.
  • Source
    Monoclonal Mouse IgG1 Clone # 24901
  • Purification
    Protein A or G purified from ascites
  • Immunogen
    S. frugiperda insect ovarian cell line Sf 21-derived recombinant human IL-12 p40/p35 heterodimer
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Product Datasheets

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Applications
  •  
    Recommended
    Concentration
    Sample
  • Neutralization
    Measured by its ability to neutralize IL‑23-induced IL‑17 secretion in mouse splenocytes. Aggarwal, S. et al. (2003) J. Biol. Chem. 278:1910. The Neutralization Dose (ND50) is typically 0.02-0.1 µg/mL in the presence of 0.75 ng/mL Recombinant Human IL‑23 and 10 ng/mL Recombinant Mouse IL‑2.
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
IL‑17 Secretion Induced by IL‑23 and Neutralization by Human IL‑12/IL‑23 p40 Antibody. In the presence of Recombinant Mouse IL‑2 (10 ng/mL, Catalog # 402-ML), Recombinant Human IL‑23 (Catalog # 1290-IL) stimulates IL‑17 secretion in mouse splenocytes in a dose-dependent manner (orange line), as measured by the Mouse IL‑17 Quantikine ELISA Kit (Catalog # M1700). Under these conditions, IL‑17 secretion elicited by Recombinant Human IL‑23 (0.75 ng/mL) is neutralized (green line) by increasing concentrations of Human IL‑12/IL‑23 p40 Monoclonal Antibody (Catalog # MAB1510). The ND50 is typically 0.02-0.1 µg/mL. This antibody also neutralizes Human IL-12 induced activity in human PBLs. The ND50 is approximately 0.05-0.25 μg/mL in the presence of 1 ng/mL Recombinant Human IL-12.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
    Reconstitution Buffer Available
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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.
Background: IL-12/IL-23 p40

Interleukin 12, also known as natural killer cell stimulatory factor (NKSF) or cytotoxic lymphocyte maturation factor (CLMF), is a pleiotropic cytokine originally identified in the medium of activated human B lymphoblastoid cell lines. IL-12 is produced by macrophages and B lymphocytes and has multiple effects on T-cells and NK cells, including stimulation of cytotoxic activity, proliferation, and promotion of Th1 development as well as IFN-gamma and TNF production. IL-12 is a disulfide-linked, 70 kDa (p70) heterodimeric glycoprotein composed of a 40 kDA (p40) subunit and a 35 kDa (p35) subunit. The p40 and p35 subunits by themselves have no IL-12 activity, the p40 dimer has been shown to bind the IL-12 receptor and to be an IL-12 antagonist. Free p35 has not been detected in supernatant solutions of cultured cells expressing only p35 or both p35 and p40 mRNAs. In contrast, p40 is secreted in excess of IL-12 in cells expressing both p35 and p40 mRNAs. The p40 subunit of IL-12 has been shown to have extensive amino acid sequence homology to the extracellular domain of the human IL-6 receptor while the p35 subunit shows distant but significant sequence similarity to IL-6, G-CSF, and chicken MGF. These observations have led to the suggestion that IL-12 might have evolved from a cytokine/soluble receptor complex. Human and mouse IL-12 share 70% and 60% amino acid sequence homology in their p40 and p35 subunits, respectively. IL-12 apparently shows species specificity with human IL-12 reportedly showing minimal activity in the murine system.

  • Long Name:
    Interleukin 12/Interleukin 23 p40
  • Entrez Gene IDs:
    3593 (Human); 16160 (Mouse); 64546 (Rat); 403976 (Canine); 493741 (Feline)
  • Alternate Names:
    CLMF2; IL12 p40; IL-12 p40; IL12B; IL-12B; NKSF2
Related Research Areas
Citations:

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.

6 Citations: Showing 1 - 6
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Species
Applications
Sample Type
  1. Characterization of the interaction between human decidua parietalis mesenchymal stem/stromal cells and natural killer cells
    Authors: MH Abumaree, E Bahattab, A Alsadoun, A Al Dosaima, FM Abomaray, T Khatlani, B Kalionis, MF El-Muzaini, AO Alawad, AS AlAskar
    Stem Cell Res Ther, 2018;9(1):102.
    Species: Human
    Sample Type: NK cells
    Application: Neut
  2. Vitamin D regulates cytokine patterns secreted by dendritic cells to promote differentiation of IL-22-producing T cells.
    Authors: Sommer A, Fabri M
    PLoS ONE, 2015;10(6):e0130395.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  3. Tumor-activated TCRgammadelta(+) T cells from gastric cancer patients induce the antitumor immune response of TCRalphabeta(+) T cells via their antigen-presenting cell-like effects.
    Authors: Mao C, Mou X, Zhou Y, Yuan G, Xu C, Liu H, Zheng T, Tong J, Wang S, Chen D
    J Immunol Res, 2014;2014(0):593562.
    Species: Human
    Sample Type: Whole Cells
    Application: Functional Assay
  4. Human prostate tumor antigen-specific CD8+ regulatory T cells are inhibited by CTLA-4 or IL-35 blockade.
    Authors: Olson B, Jankowska-Gan E, Becker J, Vignali D, Burlingham W, McNeel D
    J Immunol, 2012;189(12):5590-601.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  5. IL-1alpha and IL-1beta are endogenous mediators linking cell injury to the adaptive alloimmune response.
    Authors: Rao DA, Tracey KJ, Pober JS
    J. Immunol., 2007;179(10):6536-46.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  6. Dendritic cells induce MUC1 expression and polarization on human T cells by an IL-7-dependent mechanism.
    Authors: Vasir B, Avigan D, Wu Z, Crawford K, Turnquist S, Ren J, Kufe D
    J. Immunol., 2005;174(4):2376-86.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut

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Isotype Controls
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Mouse IgG1 Isotype Control

Ctrl MAB002 148  
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Mouse IgG1 Isotype Control

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Reconstitution Buffers
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Reconstitution Buffer 1 (PBS)

RB01
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Secondary Antibodies
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Mouse IgG HRP-conjugated Antibody

WB HAF007 32  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow , IHC , ICC NL007 10
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow , IHC , ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 4  
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG Antibody

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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow , IHC , ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Average Rating: 5 (Based on 1 review)

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We have 1 review tested in 1 species: Drosophila.
We have 1 review tested in 1 application: ELISA.

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 ELISA Drosophila Anonymous 11/04/2017
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Summary

Application ELISA
Sample Tested S2 Drosophila embryonic epithelial cell line
Species Drosophila

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