Recombinant Mouse IL-28B/IFN-lambda 3 Protein

Carrier Free

Catalog # Availability Size / Price Qty
1789-ML-025/CF

With Carrier

Catalog # Availability Size / Price Qty
1789-ML-025
R&D Systems Recombinant Proteins and Enzymes
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Citations (9)
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Recombinant Mouse IL-28B/IFN-lambda 3 Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured in an anti-viral assay using HepG2 human hepatocellular carcinoma cells infected with encephalomyocarditis (EMC) virus. Sheppard, P. et al. (2003) Nat. Immunol. 4:63. The ED50 for this effect is 0.800-8.00 ng/mL.
Source
E. coli-derived mouse IL-28B/IFN-lambda 3 protein
Asp20-Val193, with an N-terminal Met
Accession #
N-terminal Sequence
Analysis
Met
Predicted Molecular Mass
19.7 kDa

Product Datasheets

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1789-ML (with carrier)

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1789-ML/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.

1789-ML

Formulation Lyophilized from a 0.2 μm filtered solution in PBS 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.

1789-ML/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.
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Background: IL-28B/IFN-lambda 3

Human IL-28A, IL-28B, and IL-29, also named interferon-lambda 2 (IFN-lambda 2), IFN-lambda 3, and IFN-lambda 1, respectively, are class II cytokine receptor ligands that are distantly related to members of the IL-10 family (11 - 13% amino acid (aa) sequence identity) and the type I IFN family (15 - 19% aa sequence identity) (1 - 3). The genes encoding these three cytokines are localized to chromosome 19 and each is composed of multiple exons. The exon organization of these genes is also found in the IL-10 family genes but is distinct from the type I IFNs, which are encoded within a single exon. The expression of IL-28A, B, and IL-29 is induced by virus infection or double-stranded RNA. All three cytokines exert bioactivities that overlap those of type I IFNs, including antiviral activity and up-regulation of MHC class I antigen expression. The three proteins signal through the same heterodimeric receptor complex that is composed of the IL-10 receptor beta (IL-10 R beta ) and a novel IL-28 receptor  alpha (IL-28 R alpha, also known as IFN-lambda R1). Ligand binding to the receptor complex induces Jak kinase activation and STAT1 and STAT2 tyrosine phosphorylation. The phosphorylated STAT1 and STAT2 complex with IFN-regulatory factor 9 (IRF-9) to form the IFN-stimulated regulatory factor 3 (ISGF-3) transcription factor complex that is translocated to the nucleus. ISGF-3 binds to the IFN-stimulated response element (ISRE) present in the regulatory regions of the target genes. Mouse IL-28B cDNA encodes a 193 amino acid residue precursor protein with a putative 15 aa signal peptide. It shares 61%, 62% and 52% aa sequence identity with human IL-28A, human IL-28B and human IL-29, respectively.

References
  1. Vilcek, J. (2003) Nature Immunol. 4:8.
  2. Sheppard, P. et al. (2003) Nature Immunol. 4:63.
  3. Kotenko, S.V. et al. (2003) Nature Immunol. 4:69.
Long Name
Interleukin 28B
Entrez Gene IDs
282617 (Human); 338374 (Mouse)
Alternate Names
interleukin-28B; IFN-lambda 3; IL28B; IL-28B; IL28C; interferon, lambda 3

Citations for Recombinant Mouse IL-28B/IFN-lambda 3 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.

9 Citations: Showing 1 - 9
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  1. Interferon inhibits the release of herpes simplex virus-1 from the axons of sensory neurons
    Authors: Danastas, K;Guo, G;Merjane, J;Hong, N;Larsen, A;Miranda-Saksena, M;Cunningham, AL;
    mBio
    Species: Rat
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Inhaled delivery of recombinant interferon-lambda restores allergic inflammation after development of asthma by controlling Th2- and Th17-cell-mediated immune responses
    Authors: J Won, A Jo, CH Gil, S Kim, H Shin, H Jik Kim
    International immunopharmacology, 2022-08-27;112(0):109180.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  3. Intratumoral IL-28B Gene Delivery Elicits Antitumor Effects by Remodeling of the Tumor Microenvironment in H22-Bearing Mice
    Authors: Z Li, J Wang, C Chen, Q He, X Xu, Z Da, B Wang, M Wang, X Gao, G Zhang, Q Gao, X Si, Y Luo, X Ma
    Journal of Immunology Research, 2022-07-28;2022(0):1345971.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Cell Culture
  4. Mesenchymal stem cell-derived interleukin-28 drives the selection of apoptosis resistant bone metastatic prostate cancer
    Authors: JJ McGuire, JS Frieling, CH Lo, T Li, A Muhammad, HR Lawrence, NJ Lawrence, LM Cook, CC Lynch
    Nature Communications, 2021-02-01;12(1):723.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  5. Hypoxia and therapeutic treatment of EV-A71 with an immune modulator TLR7 agonist in a new immunocompetent mouse model
    Authors: AT Liou, CC Liao, SF Chou, YS Chang, CS Chang, C Shih
    J. Biomed. Sci., 2019-11-11;26(1):93.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  6. Type I and III IFNs Produced by Plasmacytoid Dendritic Cells in Response to a Member of the Flaviviridae Suppress Cellular Immune Responses
    Authors: E Reid, N Juleff, M Windsor, S Gubbins, L Roberts, S Morgan, G Meyers, E Perez-Mart, E Tchilian, B Charleston, J Seago
    J Immunol, 2016-04-06;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  7. Control of hepatitis C virus replication in mouse liver-derived cells by MAVS-dependent production of type I and type III interferons.
    Authors: g, Frentzen A, Gurlevik E, Yuan Q, Steinmann E, Ott M, Staeheli P, Schmid-Burgk J, Schmidt T, Hornung V, Kuehnel F, Pietschmann T
    J Virol, 2015-01-21;89(7):3833-45.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  8. Interleukin-1 family cytokines as mucosal vaccine adjuvants for induction of protective immunity against influenza virus.
    Authors: Kayamuro H, Yoshioka Y, Abe Y, Arita S, Katayama K, Nomura T, Yoshikawa T, Kubota-Koketsu R, Ikuta K, Okamoto S, Mori Y, Kunisawa J, Kiyono H, Itoh N, Nagano K, Kamada H, Tsutsumi Y, Tsunoda S
    J. Virol., 2010-09-29;84(24):12703-12.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  9. IL-28 supplants requirement for T(reg) cells in protein sigma1-mediated protection against murine experimental autoimmune encephalomyelitis (EAE).
    Authors: Rynda A, Maddaloni M, Ochoa-Reparaz J, Callis G, Pascual DW
    PLoS ONE, 2010-01-14;5(1):e8720.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo

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