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Mouse IL-12/IL-23 p40 Antibody

Catalog #: MAB499
3 Citations Datasheet
Catalog # Availability Size / Price Qty
MAB499-SP
MAB499-100
MAB499-500
Product Details
Citations (3)
FAQs
Supplemental Products
Reviews
Summary Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Mouse IL-12/IL-23 p40 Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse IL-12 p40 in ELISAs. Polymorphisms exist in the mouse IL-12 p40 sequence. This antibody recognizes an allelic epitope found in the p40 subunit of several mouse strains including BALB/c, C57BL/6, CBA, C3H, DBA/1, NOR, I29/J, and A.SW. This antibody does not recognize the allelic variant that occurs in strains AKR, DBA/2, NOD, NZB, NZC, NZO, NZW, or SJL (1). In ELISAs, this antibody shows 100% cross-reactivity with recombinant mouse (rm) IL-23, 30% cross-reactivity with rmIL-12 p70, and no cross-reactivity with recombinant human (rh) IL-12 p70 or rhIL-12 p40.
Source
Monoclonal Rat IgG2B Clone # 30517
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant mouse IL‑12 p40
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample

Mouse IL-12/IL-23 p40 Allele-specific Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Capture (Matched Antibody Pair)
2-8 µg/mL 

Use in combination with:

Detection Reagent: Mouse IL‑12/IL‑23 p40 Biotinylated Antibody (Catalog # BAF499)

Standard: Recombinant Mouse IL-12/IL-23 p40 Homodimer Protein (Catalog # 499-ML)

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.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
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 has multiple effects on T cells and NK cells and is a key mediator in the development of Th1 cells.

IL-12 is a heterodimeric cytokine containing two disulfide-linked subunits, p35 and p40. Human and mouse IL-12 share 70% and 60% amino acid sequence identity in their p40 and p35 subunits, respectively. Although mouse IL-12 is active on human or mouse IL-12 responsive cells, human IL-12 is not active on mouse cells.

The disulfide-linked mouse p40 homodimer can bind to IL-12 receptors and is an antagonist of IL-12 activities in vitro. The mouse p40 monomer is at least ten times less active than the homodimer as an IL-12 antagonist. At the present time, the existence and the physiological role of mouse p40 homodimer in vivo remains to be determined.

References
  1. Ymer, S. et al. (2002) Genes and Immunity 3:151.
Long Name
Interleukin 12/Interleukin 23 p40
Entrez Gene IDs
3593 (Human); 16160 (Mouse); 64546 (Rat); 397076 (Porcine); 403976 (Canine); 102124858 (Cynomolgus Monkey); 493741 (Feline); 694747 (Rhesus Macaque)
Alternate Names
CLMF p40; CLMF; CLMF2; Cytotoxic lymphocyte maturation factor 40 kDa subunit; IL12 p40; IL-12 p40; IL-12 subunit p40; IL12B; IL-12B; IL-12BNK cell stimulatory factor chain 2; interleukin 12, p40; interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocytematuration factor 2, p40); interleukin-12 beta chain; interleukin-12 subunit beta; natural killer cell stimulatory factor, 40 kD subunit; NKSF; NKSF2; NKSF2IL12, subunit p40

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Citations for Mouse IL-12/IL-23 p40 Antibody

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.

3 Citations: Showing 1 - 3
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  1. Non-canonical interleukin 23 receptor complex assembly: p40 protein recruits interleukin 12 receptor beta1 via site II and induces p19/interleukin 23 receptor interaction via site III.
    Authors: Schroder J, Moll J, Baran P, Grotzinger J, Scheller J, Floss D
    J Biol Chem, 2014-11-04;290(1):359-70.
    Species: Mouse, Primate - Chlorocebus aethiops (African Green Monkey)
    Sample Types: Cell Lysates
    Applications: Immunoprecipitation
  2. IL-23 is required for neutrophil homeostasis in normal and neutrophilic mice.
    Authors: Smith E, Zarbock A, Stark MA, Burcin TL, Bruce AC, Foley P, Ley K
    J. Immunol., 2007-12-15;179(12):8274-9.
    Species: Mouse
    Sample Types: In Vivo
    Applications: Neutralization
  3. AMD3100, a CxCR4 antagonist, attenuates allergic lung inflammation and airway hyperreactivity.
    Authors: Lukacs NW, Berlin A, Schols D, Skerlj RT, Bridger GJ
    Am. J. Pathol., 2002-04-01;160(4):1353-60.
    Species: Mouse
    Sample Types: Tissue Homogenates
    Applications: ELISA Development

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