Human IL-1 beta /IL-1F2 Antibody

Catalog # Availability Size / Price Qty
AB-201-NA
Detection of  Human and MouseIL‑1 beta /IL‑1F2 by Western Blot.
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Human IL-1 beta /IL-1F2 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL‑1 beta /IL‑1F2 in ELISAs and Western blots. In direct ELISAs, 100% cross-reactivity with recombinant rhesus monkey is observed, and approximately 50% cross-reactivity with recombinant mouse IL‑1 beta, recombinant rat IL‑1 beta, recombinant canine IL‑1 beta, recombinant equine IL‑1 beta, recombinant feline IL‑1 beta, and approximately 20% cross-reactivity with recombinant porcine IL-1 beta and recombinant cotton rat IL-1 beta is observed.
Source
Polyclonal Goat IgG
Purification
Protein A or G purified
Immunogen
E. coli-derived recombinant human IL-1 beta /IL-1F2
Ala117-Ser269
Accession # NP_000567
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
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
See below
Immunocytochemistry
5-15 µg/mL
See below
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 0.05-0.1 µg/mL in the presence of 50 pg/mL Recombinant Human 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

Western Blot Detection of  Human and MouseIL‑1 beta /IL‑1F2 by Western Blot. View Larger

Detection of Human and Mouse
IL‑1 beta /IL‑1F2 by Western Blot.
Western blot shows lysates of THP‑1 human acute monocytic leukemia cell line untreated (-) or treated (+) with PMA and LPS and RAW 264.7 mouse monocyte/macrophage cell line untreated (-) or treated (+) with LPS. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human IL‑1 beta /IL‑1F2 Polyclonal Antibody (Catalog # AB-201-NA) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for IL‑1 beta /IL‑1F2 at approximately 35 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Neutralization Cell Proliferation Induced by IL‑1 beta /IL‑1F2 and Neutral­ization by Human IL‑1 beta /IL‑1F2 Antibody. View Larger

Cell Proliferation Induced by IL‑1 beta /IL‑1F2 and Neutral­ization by Human IL‑1 beta /
IL‑1F2 Antibody.
Recombinant Human IL‑1 beta /IL‑1F2 (Catalog # 201‑LB) stimulates proliferation in the the D10.G4.1 mouse helper T cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human IL‑1 beta /
IL‑1F2 (50 pg/mL) is neutral­ized (green line) by increasing concentrations of Goat Anti-Human IL‑1 beta /IL‑1F2 Poly­clonal Antibody (Catalog #
AB‑201‑NA). The ND50 is typically 0.05‑0.1 µg/mL in the presence of concanavalin A (1.25 µg/mL).

Immunocytochemistry IL‑1 beta /IL‑1F2 in Human Peripheral Blood Mononuclear Cells. View Larger

IL‑1 beta /IL‑1F2 in Human Peripheral Blood Mononuclear Cells. IL‑1 beta /IL‑1F2 was detected in immersion fixed human peripheral blood mononuclear cells using Goat Anti-Human IL‑1 beta /IL‑1F2 Polyclonal Antibody (Catalog # AB-201-NA) 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 cytoplasmic. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 1 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it 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-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 21% amino acid (aa) identity in human. 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 human IL-1 beta cDNA encodes a 269 aa precursor. A 116 aa propeptide is cleaved intracellularly by the cysteine protease IL-1 beta -converting enzyme (Caspase-1/ICE) to generate the active cytokine (5-7). The 17 kDa mature human IL-1 beta shares 96% aa sequence identity with rhesus and 67-78% with canine, cotton rat, equine, feline, mouse, porcine, and rat 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. March, C.J. et al. (1985) Nature 315:641.
  6. Auron, P.E. et al. (1984) Proc. Natl. Acad. Sci. USA 81:7907.
  7. 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

Product Datasheets

Citation for Human IL-1 beta /IL-1F2 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.

1 Citation: Showing 1 - 1

  1. CD40-ligand stimulates myelopoiesis by regulating flt3-ligand and thrombopoietin production in bone marrow stromal cells.
    Authors: Solanilla A, Dechanet J, El Andaloussi A, Dupouy M, Godard F, Chabrol J, Charbord P, Reiffers J, Nurden AT, Weksler B, Moreau JF, Ripoche J
    Blood, 2000;95(12):3758-64.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neut

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