Porcine IL-1 beta /IL-1F2 Antibody

(3 citations)   
  • Species Reactivity
    Porcine
  • Specificity
    Detects porcine IL‑1 beta /IL‑1F2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, 50‑100% cross‑reactivity with IL-1 beta from human, mouse, and rat is observed.
  • Source
    Monoclonal Mouse IgG1 Clone # 77720
  • Purification
    Protein A or G purified from ascites
  • Immunogen
    E. coli-derived recombinant porcine IL‑1 beta /IL‑1F2
    Ala115-Pro267
    Accession # P26889.
  • 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
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    Recombinant Porcine IL‑1 beta /IL‑1F2 (Catalog # 681-PI)
  • Neutralization
    Measured by its ability to neutralize IL‑1 beta /IL‑1F2-induced proliferation in the D10.G4.1 mouse helper T cell line. Symons, J. A. et al. (1987) in Lymphokines and Interferons, a Practical Approach. Clemens, M. J. et al. (eds): IRL Press. 272. The Neutralization Dose (ND50) is typically 1-3 µg/mL in the presence of 50 ng/mL Recombinant Porcine IL‑1 beta /IL‑1F2 and 1.25 µg/mL concanavalin A.
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
Cell Proliferation Induced by IL‑1 beta /IL‑1F2 and Neutral­ization by Porcine IL‑1 beta /IL‑1F2 Antibody. Recombinant Porcine IL‑1 beta /IL‑1F2 (Catalog # 681-PI) stimulates proliferation in the the D10.G4.1 mouse helper T cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Porcine IL‑1 beta /IL‑1F2 (50 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Porcine IL‑1 beta /IL‑1F2 Monoclonal Antibody (Catalog # MAB681). The ND50 is typically 1-3 µg/mL in the presence of concanavalin A (1.25 µg/mL).
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-1 beta/IL-1F2

IL-1 is a name that designates two pleiotropic cytokines, IL-1 alpha (IL-1F1) and IL-1 beta (IL-1F2), which are the products of distinct genes. IL-1 alpha and IL-1 beta are structurally related polypeptides that share approximately 27% amino acid (aa) identity in porcine. Both proteins are produced by a wide variety of cells in response to inflammatory agents, infections, or microbial endotoxins. While IL-1 alpha and IL-1 beta are regulated independently, they bind to the same receptor and exert identical biological effects. IL-1 RI binds directly to IL-1 alpha or IL-1 beta and then associates with IL-1 R accessory protein (IL-1 R3/IL-1 R AcP) to form a high-affinity receptor complex that is competent for signal transduction. IL-1 RII has high affinity for IL-1 beta but functions as a decoy receptor and negative regulator of IL-1 beta activity. IL-1ra functions as a competitive antagonist by preventing IL-1 alpha and IL-1 beta from interacting with IL-1 RI (1‑4). The porcine IL-1 beta cDNA encodes a 267 aa precursor. A 114 aa propeptide is cleaved intracellularly by the cysteine protease IL-1 beta -converting enzyme (Caspase-1/ICE) to generate the active cytokine (5, 6). The 17 kDa mature porcine IL-1 beta shares 63%‑70% aa sequence identity with canine, cotton rat, equine, feline, human, mouse, rat, and rhesus IL-1 beta.

  • References:
    1. Allan, S.M. et al. (2005) Nat. Rev. Immunol. 5:629.
    2. Boraschi, D. and A. Tagliabue (2006) Vitam. Horm. 74:229.
    3. Kornman, K.S. (2006) Am. J. Clin. Nutr. 83:475S.
    4. Isoda, K. and F. Ohsuzu (2006) J. Atheroscler. Thromb. 13:21.
    5. Huether, M. et al. (1993) Gene 129:285.
    6. Martinon, F. and J. Tschopp (2007) Cell Death Differ. 14:10.
  • Long Name:
    Interleukin 1 beta
  • Entrez Gene IDs:
    3553 (Human); 16176 (Mouse); 24494 (Rat); 397122 (Porcine); 403974 (Canine); 100034237 (Equine); 100135556 (Guinea Pig)
  • Alternate Names:
    catabolin; IL1 beta; IL-1 beta; IL-1; IL1B; IL-1b; IL1-BETA; IL-1F2; IL1F2IL-1 beta; interleukin 1, beta; interleukin-1 beta; preinterleukin 1 beta; pro-interleukin-1-beta
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.

3 Citations: Showing 1 - 3
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Species
Applications
Sample Type
  1. Expression of inflammatory markers in pig amnion after intraamniotic infection with nonpathogenic or enteropathogenic Escherichia coli.
    Authors: Splichalova A, Splichal I, Trebichavsky I, Hojna H
    Folia Microbiol. (Praha), 2004;49(6):751-6.
    Species: Porcine
    Sample Type: Whole Tissue
    Application: IHC
  2. Systemic cytokine profile in feeder pigs suffering from natural postweaning multisystemic wasting syndrome (PMWS) as determined by semiquantitative RT-PCR and flow cytometric intracellular cytokine detection.
    Authors: Sipos W, Duvigneau JC, Willheim M, Schilcher F, Hartl RT, Hofbauer G, Exel B, Pietschmann P, Schmoll F
    Vet. Immunol. Immunopathol., 2004;99(1):63-71.
    Species: Porcine
    Sample Type: Whole Cells
    Application: Flow
  3. Hypoxia-induced changes in tight junction permeability of brain capillary endothelial cells are associated with IL-1beta and nitric oxide.
    Authors: Yamagata K, Tagami M, Takenaga F, Yamori Y, Itoh S
    Neurobiol. Dis., 2004;17(3):491-9.
    Species: Porcine
    Sample Type: Whole Cells
    Application: Neut
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