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Recombinant Mouse IFN-beta Protein

8234-MB 7 Citations 1 Review Datasheet / COA / SDS
S.A approximately 1.2x10^9 IU/mg compared to WHO standard
Formulations:
Catalog # Availability Size / Price Qty
8234-MB-010
Recombinant Mouse IFN-beta Protein Bioactivity
2 Images
Product Details
Citations (7)
FAQs
Reviews (1)
Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Mouse IFN-beta Protein Summary

Purity
>95%, by SDS-PAGE with silver staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured in an anti-viral assay using L‑929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus. Vogel, S.N. et al. (1982) Infect. Immunol. 38:681. The ED50 for this effect is 1-6 pg/mL.

The specific activity of recombinant Mouse IFN‑ beta is approximately 1.2 x 109 IU/mg, which is calibrated against Murine IFN‑ beta WHO International Standard. The Murine IFN‑ beta WHO International Standard (NR-3079) was obtained through the NIH Biodefense and Emerging Infections Research Resources Repository, NIAID, NIH.
Source
Human embryonic kidney cell, HEK293-derived mouse IFN-beta protein
Ile22-Asn182
Accession #
P01575
N-terminal Sequence
Analysis
Ile22
Structure / Form
Monomer
Predicted Molecular Mass
20 kDa
SDS-PAGE
30-38 kDa, reducing conditions

Product Datasheets

Product Datasheet
COA
SDS

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.

8234-MB

Formulation Lyophilized from a 0.2 μm filtered solution in PBS and Tween® 80 with BSA as a carrier protein.
Reconstitution Reconstitute at 100 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.

8234-MB/CF

Formulation Lyophilized from a 0.2 μm filtered solution in PBS and Tween® 80.
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.

Data Images

Bioactivity <br> View Larger

Recombinant Mouse IFN-beta (Catalog # 8234-MB) suppresses viral activity using L‑929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus.The ED50 for this effect is 1-6 pg/mL.

SDS-PAGE SDS-PAGE View Larger

1 μg/lane of Recombinant Mouse IFN-beta (Catalog # 8234-MB) wasresolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions andvisualized by silver staining, showing bands at 32.7 and 32.9kDa, respectively.

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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Background: IFN-beta

Interferon beta (IFN-beta ), also known as fibroblast IFN, is a secreted, approximately 22 kDa member of the type I interferon family of molecules (1). Mature mouse IFN-beta shares 75% and 47% amino acid sequence identity with the rat and human proteins, respectively. Fibroblasts are the major producers of IFN-beta, but it can also be produced by dendritic cells, macrophages, and endothelial cells in response to pathogens (2). It is transcriptionally regulated by TRAF3, IRF3, IRF7, and NF-kappa B (3, 4). IFN-beta -deficient mice show increased susceptibility to experimental autoimmune encephalomyelitis (EAE), a disease model of human multiple sclerosis (MS) (5). Furthermore, IFN-beta has been shown to suppress the Th17 cell response in both MS and EAE and has commonly been used as a treatment for MS (6-10). IFN-beta can additionally induce the expression of the anti-inflammatory cytokine IL-10 (11).

References
  1. González-Navajas, J.M. et al. (2012) Nat. Rev. Immunol. 12:125.
  2. Reder, A.T. and X. Feng (2013) Front. Immunol. 4:281.
  3. Schafer, S.L. et al. (1998) J. Biol. Chem. 273:2714.
  4. Häcker, H. et al. (2006) Nature 439:204.
  5. Teige, I. et al. (2003) J. Immunol. 170:4776.
  6. Shinohara, M.L. et al. (2008) Immunity 29:68.
  7. Guo, B. et al. (2008) J. Clin. Invest. 118:1680.
  8. Ramgolam, V.S. and S. Markovic-Plese (2010) Endocr. Metab. Immune Disord. Drug Targets 10:161.
  9. Martín-Saavedra, F.M. et al. (2008) Mol. Immunol. 45:4008.
  10. Inoue, M. and M.L. Shinohara (2013) Immunology 139:11.
  11. Wang, H. et al. (2011) J. Immunol 186:675.
Long Name
Interferon beta
Entrez Gene IDs
3456 (Human); 15977 (Mouse); 24481 (Rat)
Alternate Names
Fibroblast interferon; IFBIFNB; IFF; IFNB1; IFNbeta; IFN-beta; interferon beta; interferon, beta 1, fibroblast; MGC96956

Citations for Recombinant Mouse IFN-beta 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.

7 Citations: Showing 1 - 7
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  1. Global deletion of Optineurin results in altered type I IFN signaling and abnormal bone remodeling in a model of Paget's disease
    Authors: SW Wong, BW Huang, X Hu, E Ho Kim, JP Kolb, RJ Padilla, P Xue, L Wang, TH Oguin, PA Miguez, HC Tseng, CC Ko, J Martinez
    Cell Death Differ., 2019;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Genetic Screen in Chlamydia muridarum Reveals Role for an Interferon-Induced Host Cell Death Program in Antimicrobial Inclusion Rupture
    Authors: AM Giebel, S Hu, K Rajaram, R Finethy, E Toh, JA Brothwell, SG Morrison, RJ Suchland, BD Stein, J Coers, RP Morrison, DE Nelson
    MBio, 2019;10(2):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Corticosteroid suppression of antiviral immunity increases bacterial loads and mucus production in COPD exacerbations
    Authors: A Singanayag, N Glanville, JL Girkin, YM Ching, A Marcellini, JD Porter, M Toussaint, RP Walton, LJ Finney, J Aniscenko, J Zhu, MB Trujillo-T, MA Calderazzo, C Grainge, SL Loo, PC Veerati, PS Pathinayak, KS Nichol, AT Reid, PL James, R Solari, PAB Wark, DA Knight, MF Moffatt, WO Cookson, MR Edwards, P Mallia, NW Bartlett, SL Johnston
    Nat Commun, 2018;9(1):2229.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  4. Transgenic Tomatoes Expressing the 6F Peptide and Ezetimibe Prevent Diet-induced Increases of Interferon-? and Cholesterol 25-hydroxylase in Jejunum
    Authors: P Mukherjee, G Hough, A Chattopadh, M Navab, HR Fogelman, D Meriwether, K Williams, S Bensinger, T Moller, KF Faull, AJ Lusis, L Iruela-Ari, KI Bostrom, P Tontonoz, ST Reddy, AM Fogelman
    J. Lipid Res., 2017;0(0):.
    Applications: ELISA (Standard)
  5. Reestablishment of p53/Arf and interferon-? pathways mediated by a novel adenoviral vector potentiates antiviral response and immunogenic cell death
    Authors: A Hunger, RF Medrano, DB Zanatta, PR Del Valle, CA Merkel, TA Salles, DG Ferrari, TK Furuya, SO Bustos, R de Freitas, E Costanzi-S, BE Strauss
    Cell Death Discov, 2017;3(0):17017.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  6. The kinase TBK1 functions in dendritic cells to regulate T cell homeostasis, autoimmunity, and antitumor immunity
    Authors: Y Xiao, Q Zou, X Xie, T Liu, HS Li, Z Jie, J Jin, H Hu, G Manyam, L Zhang, X Cheng, H Wang, I Marie, DE Levy, SS Watowich, SC Sun
    J. Exp. Med., 2017;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  7. Runx1 Orchestrates Sphingolipid Metabolism and Glucocorticoid Resistance in Lymphomagenesis
    Authors: J C Neil
    J. Cell. Biochem., 2016;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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Recombinant Mouse IFN-beta Protein
By Anonymous on 04/27/2018
Application: Enzymatic activity in vitro