Recombinant Canine IL-1 beta/IL-1F2 Protein

Carrier Free

Catalog # Availability Size / Price Qty
3747-CL-025/CF

With Carrier

Catalog # Availability Size / Price Qty
3747-CL-025
R&D Systems Recombinant Proteins and Enzymes
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Citations (4)
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Recombinant Canine IL-1 beta/IL-1F2 Protein Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<1.0 EU per 1 μg of the protein by the LAL method.
Activity
Measured in a cell proliferation assay using D10.G4.1 mouse helper T cells. Symons, J.A. et al. (1987) in Lymphokines and Interferons, a Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 272. The ED50 for this effect is 4-16 pg/mL.
Source
E. coli-derived canine IL-1 beta/IL-1F2 protein
Ala114-Ser265
Accession #
N-terminal Sequence
Analysis
Ala114
Predicted Molecular Mass
18 kDa

Product Datasheets

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3747-CL (with carrier)

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3747-CL/CF (carrier free)

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

3747-CL

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 10 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

3747-CL/CF

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

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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 22% amino acid (aa) identity in dog. 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 canine IL-1 beta cDNA encodes a 266 aa precursor. A 114 aa propeptide is cleaved intracellularly by the cysteine protease IL-1 beta -converting enzyme (Caspase-1/ICE) to generate the active cytokine (5, 6). The 17 kDa mature canine IL-1 beta shares 68% - 78% aa sequence identity with cotton rat, equine, feline, human, mouse, porcine, rat, and rhesus 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. Accession # NP_001033060.
  6. 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

Citations for Recombinant Canine IL-1 beta/IL-1F2 Protein

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.

4 Citations: Showing 1 - 4
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  1. MicroRNA-194 regulates parasitic load and IL-1?-dependent nitric oxide production in the peripheral blood mononuclear cells of dogs with leishmaniasis
    Authors: Costa, SF;Soares, MF;Poleto Bragato, J;Dos Santos, MO;Rebech, GT;de Freitas, JH;de Lima, VMF;
    PLoS neglected tropical diseases
    Species: Canine
    Sample Types: Transfected Whole Cells
    Applications: Bioassay
  2. A DNA telomerase vaccine for canine cancer immunotherapy
    Authors: J Thalmensi, E Pliquet, C Liard, G Chamel, C Kreuz, T Bestetti, M Escande, A Kostrzak, AS Pailhes-Ji, E Bourges, M Julithe, L Bourre, O Keravel, P Clayette, T Huet, S Wain-Hobso, P Langlade-D
    Oncotarget, 2019-05-21;10(36):3361-3372.
    Species: Canine
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Dendritic cell vaccination plus low-dose doxorubicin for the treatment of spontaneous canine hemangiosarcoma
    Authors: V Konduri, MM Halpert, YC Baig, R Coronado, JR Rodgers, JM Levitt, B Cerroni, S Piscoya, N Wilson, L DiBernardi, Z Omarbekov, L Seelhoff, V Ravi, L Douglass, WK Decker
    Cancer Gene Ther., 2019-01-23;0(0):.
    Species: Canine
    Sample Types: Whole Cells
    Applications: Bioassay
  4. Effect of interleukin-1? on occludin mRNA expression in the duodenal and colonic mucosa of dogs with inflammatory bowel disease
    Authors: M Ogawa, H Osada, A Hasegawa, H Ohno, N Yanuma, K Sasaki, M Shimoda, J Shirai, H Kondo, K Ohmori
    J. Vet. Intern. Med., 2018-03-23;0(0):.
    Species: Canine
    Sample Types: Whole Tissue
    Applications: Bioassay

FAQs

  1. Does IL-1 beta induce NO in smooth muscle?

    • Yes it does, based on the literature.

View all Proteins and Enzyme FAQs

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