Porcine IL-1 alpha /IL-1F1 Antibody

(2 citations)   
  • Species Reactivity
    Porcine
  • Specificity
    Detects porcine IL‑1 alpha /IL‑1F1 in direct ELISAs and Western blots. In direct ELISAs, approximately 20% cross-reactivity with recombinant human IL-1 alpha  is observed and 10% cross-reactivity with recombinant mouse IL-1 alpha and recombinant rat IL-1 alpha is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant porcine IL-1 alpha
    Gln119-Ser270
    Accession # P18430
  • 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
    0.1 µg/mL
    Recombinant Porcine IL‑1 alpha /IL‑1F1 (Catalog # 680-PI)
  • Neutralization
    Measured by its ability to neutralize IL‑1 alpha /IL‑1F1-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 0.006-0.012 µg/mL in the presence of 75 pg/mL Recombinant Porcine IL‑1 alpha /IL‑1F1 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 alpha /IL‑1F1 and Neutral­ization by Porcine IL‑1 alpha /IL‑1F1 Antibody. Recombinant Porcine IL‑1 alpha /IL‑1F1 (Catalog # 680-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 alpha /IL‑1F1 (75 pg/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Porcine IL‑1 alpha /IL‑1F1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF680). The ND50 is typically 0.006-0.012 µg/mL in the presence of concanavalin A (1.25 µg/mL).
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 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 alpha/IL-1F1

Interleukin 1 (IL-1) is a name that designates two proteins, IL-1 alpha  and IL-1 beta, that are the products of distinct genes, but show approximately 25% amino acid sequence identity and recognize the same cell surface receptors. Although IL-1 production is generally considered to be a consequence of inflammation, evidence suggests that IL-1 is also temporarily upregulated during bone formation and the menstrual cycle and can be induced in response to nervous system stimulation. In response to stimuli produced by inflammatory agents, infections, or microbial endotoxins, a dramatic increase in the production of IL-1 by macrophages and various other cells is seen. Cells in particular known to produce IL-1 include osteoblasts, monocytes, macrophages, keratinocytes, Kupffer cells, hepatocytes, thymic and salivary gland epithelium, Schwann cells, fibroblasts and glia (oligodendroglia, astrocytes and microglia).

IL-1 alpha and IL-1 beta are both synthesized as 31 kDa precursors that are subsequently cleaved into proteins with molecular weights of approximately 17,000. Neither precursor contains a typical hydrophobic signal peptide sequence and most of the precursor form of IL-1 alpha remains in the cytosol of cells, although there is evidence for a membrane-bound form of the precursor form of IL-1 alpha. The IL-1 alpha precursor reportedly shows full biological activity in the EL-4 assay. Among various species, the amino acid sequence of mature IL-1 alpha is conserved 60% to 70% and porcine IL-1 has been found to be biologically active on murine cell lines. Both forms of IL-1 bind to the same receptors, designated as type I and type II. Evidence suggests that only the type I receptor is capable of signal transduction and that the type II receptor may function as a decoy, binding IL-1 and thus preventing the binding of IL-1 to the type I receptor.

  • References:
    1. Dower, S.K. and J.E. Sims, in Guidebook to Cytokines and their receptors (1994) N.A. Nicole ed. Oxford University Press NY p. 17.
  • Long Name:
    Interleukin 1 alpha
  • Entrez Gene IDs:
    3552 (Human); 16175 (Mouse); 24493 (Rat); 397094 (Porcine)
  • Alternate Names:
    Hematopoietin-1; IL1 alpha; IL-1 alpha; IL1; IL1A; IL-1A; IL1-ALPHA; IL-1F1; IL1F1hematopoietin-1; interleukin 1, alpha; interleukin-1 alpha; preinterleukin 1 alpha; pro-interleukin-1-alpha
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.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. Proteasome inhibition can impair caspase-8 activation upon submaximal stimulation of apoptotic tumor necrosis factor-related apoptosis inducing ligand (TRAIL) signaling.
    Authors: Laussmann MA, Passante E, Hellwig CT
    J. Biol. Chem., 2012;287(18):14402-11.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  2. Induction of interleukin-1 in articular cartilage by explantation and cutting.
    Authors: Gruber J, Vincent TL, Hermansson M, Bolton M, Wait R, Saklatvala J
    Arthritis Rheum., 2004;50(8):2539-46.
    Species: Porcine
    Sample Type: Whole Cells
    Application: Neut
Isotype Controls
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Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
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Goat IgG HRP-conjugated Antibody

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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 8
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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