Human IL-1 beta /IL-1F2 Antibody Summary
Accession # NP_000567
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.
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.
Cell Proliferation Induced by IL‑1 beta /IL‑1F2 and Neutral-ization 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 neutral-ized (green line) by increasing concentrations of Goat Anti-Human IL-1 beta /IL-1F2 Poly-clonal Antibody (Catalog # AB-201-NA). The ND50 is typically 0.05-0.1 µg/mL.
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.
Preparation and Storage
- 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, IL1B), 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. Intracellular cleavage of the IL-1 beta precursor by Caspase-1/ICE is a key step in the inflammatory response. The 17 kDa molecular weight 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. IL-1 beta functions in a central role in immune and inflammatory responses, bone remodeling, fever, carbohydrate metabolism, and GH/IGF-I physiology. IL-1 beta dysregulation is implicated in many pathological conditions including sepsis, rheumatoid arthritis, inflammatory bowel disease, acute and chronic myelogenous leukemia, insulin-dependent diabetes mellitus, atherosclerosis, neuronal injury, and aging-related diseases.
Product Specific NoticesThis product is covered by one or more of the following U.S. patents: 4,766,069, 5,510,462, 5,681,933, 4,762,914, 5,474,899, 5,789,185, 5,484,887, 5,122,459, 5,001,057, 5,077,219, 5,286,847.
Citations 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.
Citations: Showing 1 - 2
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The Blockade of Tumoral IL1&beta-Mediated Signaling in Normal Colonic Fibroblasts Sensitizes Tumor Cells to Chemotherapy and Prevents Inflammatory CAF Activation
Authors: NG Díaz-Marot, G Garcia-Vic, G Polcaro, M Bañuls, N Albert, A Villanueva, DG Molleví
International Journal of Molecular Sciences, 2021;22(9):.
Sample Types: Whole Cells
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
Sample Types: Whole Cells
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