Key Product Details

Species Reactivity

Validated:

Porcine

Cited:

Porcine

Applications

Validated:

Western Blot, Neutralization, Immunocytochemistry

Cited:

Neutralization

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all IL-1ra/IL-1F3 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant porcine IL‑1ra/IL‑1F3
His26-Gln177
Accession # Q29056

Specificity

Detects porcine IL‑1ra/IL‑1F3 in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Porcine IL‑1ra/IL‑1F3 Antibody

IL‑1ra/IL‑1F3 Inhibition of IL‑1 alpha /IL‑1F1-dependent Cell Proliferation and Neutral-ization by Porcine IL‑1ra/ IL‑1F3 Antibody.

IL‑1ra/IL‑1F3 Inhibition of IL‑1 alpha /IL‑1F1-dependent Cell Proliferation and Neutral-ization by Porcine IL‑1ra/ IL‑1F3 Antibody.

Recombinant Porcine IL-1ra/ IL-1F3 (Catalog # 780-RA) inhibits Recombinant Porcine IL-1a/IL-1F1 (Catalog # 680-PI) induced proliferation in the D10.G4.1 mouse helper T cell line in a dose-dependent manner (orange line). Inhibition of Recombinant Porcine IL-1a/ IL-1F1 (75 pg/mL) activity elicited by Recombinant Porcine IL-1ra/ IL-1F3 (0.2 µg/mL) is neutral-ized (green line) by increasing concentrations of Goat Anti-Porcine IL-1ra/IL-1F3 Antigen Affinity-purified Poly-clonal Antibody (Catalog # AF780). The ND50 is typically 3-15 µg/mL.
IL-1ra/IL-1F3 antibody in Porcine PBMCs by Immunocytochemistry (ICC).

IL‑1ra/IL‑1F3 in Porcine PBMCs.

IL-1ra/IL-1F3 was detected in immersion fixed porcine peripheral blood mononuclear cells (PBMCs) using Goat Anti-Porcine IL-1ra/ IL-1F3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF780) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to plasma membrane and cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Applications for Porcine IL‑1ra/IL‑1F3 Antibody

Application
Recommended Usage

Immunocytochemistry

5-15 µg/mL
Sample: Immersion fixed porcine peripheral blood mononuclear cells

Western Blot

0.1 µg/mL
Sample: Recombinant Porcine IL‑1ra/IL‑1F3 (Catalog # 780-RA)

Neutralization

Measured by its ability to neutralize IL‑1ra/IL‑1F3 inhibition of IL‑1 alpha /IL‑1F1-dependent 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 3-15 µg/mL in the presence of 0.2 µg/mL Recombinant Porcine IL‑1ra/IL‑1F3 and 75 pg/mL Recombinant Porcine IL‑1 alpha /IL‑1F1.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

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.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: IL-1ra/IL-1F3

IL-1ra was originally isolated from the urine of patients with monocytic leukemia and has also been purified from adherent monocytes. The naturally-occurring, fully glycosylated form has an apparent molecular weight of about 25,000 Daltons. The protein shows 26% amino acid homology to IL-1 beta and 19% homology to IL-1 alpha. It will compete with either factor for receptor binding, but does not interact with either one. Human IL-1ra will bind to both types of IL-1 receptors (I and II) on human cells, but reportedly will not block binding to the type II receptor on murine pre-B cell lines. IL-1ra has been shown to block the inflammatory responses induced by IL-1 both in vitro and in vivo. Human, mouse and rat IL-1ra all share approximately 80% homology with porcine IL-1ra.

Long Name

Interleukin 1 Receptor Antagonist

Alternate Names

DIRA, ICIL-1ra, IL-1F3, IL-1ra3, IL-1RN, IL1ra, IL1RN, MVCD4

Entrez Gene IDs

3557 (Human); 16181 (Mouse); 60582 (Rat); 397499 (Porcine); 100034236 (Equine)

Gene Symbol

IL1RN

UniProt

Q29056

Additional IL-1ra/IL-1F3 Products

Product Documents for Porcine IL‑1ra/IL‑1F3 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Porcine IL‑1ra/IL‑1F3 Antibody

For research use only

Citations for Porcine IL‑1ra/IL‑1F3 Antibody

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Protocols

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FAQs

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Associated Pathways

IL-1 Family Signaling Pathways IL-1 Family Signaling Pathway Thumbnail