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Human IL-1ra/IL-1F3 Antibody

Catalog #: MAB280
6 Citations 3 Reviews Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
MAB280
MAB280-SP
IL‑1ra/IL‑1F3 Inhibition of IL‑1 alpha /IL‑1F1-dependent Cell Proliferation and Neutralization by Human IL‑1ra/IL‑1F3 Antibody.
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Citations (6)
FAQs
Supplemental Products
Reviews (3)
Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human IL-1ra/IL-1F3 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL‑1ra/IL-1F3 in ELISAs. In ELISAs, this antibody shows less than 0.2% cross-reactivity with recombinant mouse (rm) IL‑1ra and no cross-reactivity with rhIL‑1 alpha, rpIL‑1 alpha, rmIL‑1 alpha, rrIL‑1 alpha, rhIL‑1 beta, rpIL‑1 beta, rmIL‑1 beta, rrIL‑1 beta, rhIL‑1 RI, or rhIL‑1 RII.
Source
Monoclonal Mouse IgG2A Clone # 10309
Purification
Protein A or G purified from ascites
Immunogen
E. coli-derived recombinant human IL‑1ra/IL-1F3
Arg26-Glu177
Accession # P18510
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.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample

Human IL-1ra/IL-1F3 Sandwich Immunoassay

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

Use in combination with:

Detection Reagent: Human IL‑1ra/IL‑1F3 Biotinylated Antibody (Catalog # BAF280)

Standard: Recombinant Human IL-1ra/IL-1F3 Protein (Catalog # 280-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 10-20 µg/mL in the presence of 50 ng/mL Recombinant Human IL‑1ra/IL‑1F3, 50 pg/mL Recombinant Human IL‑1 alpha /IL‑1F1.

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.

Scientific Data

Neutralization IL‑1ra/IL‑1F3 Inhibition of IL‑1 alpha /IL‑1F1-dependent Cell Proliferation and Neutralization by Human IL‑1ra/IL‑1F3 Antibody. View Larger

IL‑1ra/IL‑1F3 Inhibition of IL‑1 alpha /IL‑1F1-dependent Cell Proliferation and Neutralization by Human IL‑1ra/IL‑1F3 Antibody. Recombinant Human IL-1ra/IL-1F3 (Catalog # 280-RA) inhibits Recombinant Human IL-1a/IL-1F1 (Catalog # 200-LA) induced proliferation in the D10.G4.1 mouse helper T cell line in a dose-dependent manner (orange line). Inhibition of Recombinant Human IL-1a/IL-1F1 (50 pg/mL) activity elicited by Recombinant Human IL-1ra/IL-1F3 (50 ng/mL) is neutralized (green line) by increasing concentrations of Human IL-1ra/IL-1F3 Monoclonal Antibody (Catalog # MAB280). The ND50 is typically 10-20 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

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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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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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-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 receptor (I and II) on human cells, but reportedly will not block binding to the type II receptor on murine pre-B cell lines. The recombinant, non-glycosylated form of IL-1ra blocks binding of IL-1 to its receptor equally as well as the naturally-occurring, glycosylated form. The IL-1ra has been shown to block the inflammatory responses induced by IL-1 both in vitro and in vivo. Currently, pre-clinical and clinical studies are underway to test possible therapeutic applications for IL-1ra in the treatment of sepsis, rheumatoid arthritis and chronic myelogenous leukemia.

Long Name
Interleukin 1 Receptor Antagonist
Entrez Gene IDs
3557 (Human); 16181 (Mouse); 60582 (Rat); 397499 (Porcine)
Alternate Names
DIRA; ICIL-1ra; IL1F3; IL-1F3; IL1ra; IL-1ra; IL-1ra3; IL1RN; IL-1RN; interleukin 1 receptor antagonist; IRAP; MVCD4

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Citations for Human IL-1ra/IL-1F3 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.

6 Citations: Showing 1 - 6
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  1. Mycobacterium tuberculosis Lipoarabinomannan Activates Human Neutrophils via a TLR2/1 Mechanism Distinct from Pam3CSK4
    Authors: JS Hook, M Cao, K Weng, N Kinnare, JG Moreland
    J. Immunol., 2019-12-23;0(0):.
    Species: Human
    Sample Types: Cell Culture Supernates
  2. Interleukin-36 potently stimulates human M2 macrophages, Langerhans cells and keratinocytes to produce pro-inflammatory cytokines
    Authors: Damien Dietrich
    Cytokine, 2016-05-31;84(0):88-98.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  3. Suppression of TNF-alpha and IL-1 signaling identifies a mechanism of homeostatic regulation of macrophages by IL-27.
    Authors: Kalliolias GD, Gordon RA, Ivashkiv LB
    J. Immunol., 2010-10-22;185(11):7047-56.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development
  4. Pre-interleukin-1alpha expression reduces cell growth and increases interleukin-6 production in SaOS-2 osteosarcoma cells: Differential inhibitory effect of interleukin-1 receptor antagonist (icIL-1Ra1).
    Authors: Palmer G, Trolliet S, Talabot-Ayer D, Mezin F, Magne D, Gabay C
    Cytokine, 2005-07-21;31(2):153-60.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  5. trans fatty acids and systemic inflammation in heart failure.
    Authors: Mozaffarian D, Rimm EB, King IB, Lawler RL, McDonald GB, Levy WC
    Am. J. Clin. Nutr., 2004-12-01;80(6):1521-5.
    Species: Human
    Sample Types: Plasma
    Applications: ELISA Development
  6. Direct comparison of traditional ELISAs and membrane protein arrays for detection and quantification of human cytokines.
    Authors: Copeland S, Siddiqui J, Remick D
    J. Immunol. Methods, 2004-01-01;284(1):99-106.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Array Development

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Reviews for Human IL-1ra/IL-1F3 Antibody

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Human IL-1ra/IL-1F3 Antibody
By Anonymous on 11/18/2019
Application: ELISA Sample Tested: Serum Species: Human
ELISA Human IL-1ra/IL-1F3 Antibody MAB280
Human IL-1ra/IL-1F3 Antibody
By Alisha Freeman on 04/05/2018
Application: Simple Western Sample Tested: B16-F1 mouse melanoma cell line Species: Mouse
Human IL-1ra/IL-1F3 Antibody
By Anonymous on 10/27/2017
Application: Siteclick antibody biotinylation Sample Tested: 3T3-L1 mouse embryonic fibroblast adipose-like cell line Species: Mouse