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Human/Mouse IL‑12/IL‑35 p35 Antibody

  • Specificity
    Detects human IL‑12/IL-35 p35 in direct ELISAs and Western blots. Detects the p35 subunit either as part of a p40/p35 heterodimer or as a free subunit after reduction of the heterodimer. This antibody does not recognize IL-12 p40 homodimers but shows strong cross-reactivity with the p35 subunits from porcine and mouse systems.
  • Source
    Monoclonal Mouse IgG1 Clone # 27537
  • Purification
    Protein A or G purified from ascites
  • Immunogen
    S. frugiperda insect ovarian cell line Sf 21-derived recombinant human IL‑12/IL-35 p35
    Arg23-Ser219
    Accession # P29459
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    Recombinant Human IL-12 (Catalog # 219-IL)
  • Intracellular Staining by Flow Cytometry
    2.5 µg/106 cells
    Human peripheral blood mononuclear cells or mouse splenocytes treated with LPS, fixed with paraformaldehyde, and permeabilized with saponin
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.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • 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-35 p35
Interleukin 12 (IL-12) and interleukin 35 (IL-35) are heterodimeric cytokines composed of alpha and beta chains. IL-12 is composed of p35 and p40 subunits, while IL-35 is comprised of p35 paired with EBI-3 (1). In mice, IL-35 is produced by FoxP3+ regulatory T cells and may function as an inhibitory cytokine to suppress T cell proliferation (2). Human FoxP3+ Tregs do not constitutively express IL-35 (3), but expression may be induced by activated dendritic cells (4).
  • References:
    1. Collison, L.W. and D.A.A. Vignali (2008) Immunol. Rev. 226:248.
    2. Collison, L.W. et al. (2007) Nature 450:566.
    3. Bardel, E. et al. (2008) J. Immunol. 181:6898.
    4. Seyerl, M. et al.(2010) Eur. J. Immunol. 40:321.
  • Long Name:
    Interleukin 12 p35
  • Entrez Gene IDs:
    3592 (Human); 16159 (Mouse); 84405 (Rat);
  • Alternate Names:
    IL-12A
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.

Showing Results 1 - 7 of 7
Filter your results:

Species
Applications
Sample Type
  1. Human tumor membrane vesicles modified to express glycolipid-anchored IL-12 by protein transfer induce T cell proliferation in vitro: a potential approach for local delivery of cytokines during vaccination.
    Authors: Nagarajan S, Selvaraj P
    Vaccine, 2005;24(13):2264-74.
    Species: Human
    Application: Western Blot,
  2. Ex vivo-expanded but not in vitro-induced human regulatory T cells are candidates for cell therapy in autoimmune diseases thanks to stable demethylation of the FOXP3 regulatory T cell-specific demethylated region.
    Authors: Rossetti M, Spreafico R, Saidin S, Chua C, Moshref M, Leong J, Tan Y, Thumboo J, van Loosdregt J, Albani S
    J Immunol, 2015;194(1):113-24.
    Species: Human
    Application: Neutralization,
  3. 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
    Application: Neutralization,
  4. Distinct subsets of human invariant NKT cells differentially regulate T helper responses via dendritic cells.
    Authors: Liu TY, Uemura Y, Suzuki M, Narita Y, Hirata S, Ohyama H, Ishihara O, Matsushita S
    Eur. J. Immunol., 2008;38(4):1012-23.
    Species: Human
    Application: Flow Cytometry,
  5. Human rhinoviruses induce IL-35-producing Treg via induction of B7-H1 (CD274) and sialoadhesin (CD169) on DC.
    Authors: Jindra C
    Eur J Immunol, 2010;40(2):321-9.
    Species: Human
    Application: Immunoprecipitation,
  6. Der p 1 suppresses indoleamine 2, 3-dioxygenase in dendritic cells from house dust mite-sensitive patients with asthma.
    Authors: Maneechotesuwan K, Wamanuttajinda V, Kasetsinsombat K, Huabprasert S, Yaikwawong M, Barnes PJ, Wongkajornsilp A
    J. Allergy Clin. Immunol., 2009;123(1):239-48.
    Species: Human
    Application: Flow Cytometry,
  7. Oral Escherichia coli colonization factor antigen I fimbriae ameliorate arthritis via IL-35, not IL-27.
    Authors: Kochetkova I, Thornburg T, Callis G, Holderness K, Maddaloni M, Pascual D
    J Immunol, 2014;192(2):804-16.
    Species: Mouse
    Application: ELISA Development,

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