IL-28B/IFN-lambda 3 Antibody

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Recombinant Mouse IL‑28B/IFN‑ lambda 3 (Catalog # 1789‑ML) reduces the Encephalomyocarditis Virus (EMCV)-induced cytopathy in the HepG2 human hepatocellular carcinoma cell line in a dose-dependent manner (orange ...read more

Product Details

Summary
Reactivity MuSpecies Glossary
Applications WB, B/N
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH

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IL-28B/IFN-lambda 3 Antibody Summary

Immunogen
E. coli-derived recombinant mouse IL‑28B/IFN‑ lambda 3
Asp20-Val193
Accession # Q8CGK6
Specificity
Detects IL‑28B/IFN‑ lambda 3 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 5% cross-reactivity with recombinant human IL-28A is observed. In Western blots, approximately 35% cross-reactivity (reducing conditions) and approximately 10% cross-reactivity (non-reducing conditions) with recombinant mouse IL-28A is observed. Neutralizes 100% of recombinant mouse IL-28A.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
Ifnl3
Purity
Immunogen affinity purified
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 0.1 ug/mL
  • Neutralization 2-10 ug/mL
Publications
Read Publication using
AF1789 in the following applications:

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Purity
Immunogen affinity purified
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for IL-28B/IFN-lambda 3 Antibody

  • interleukin-28B
  • IFN-lambda 3
  • IL28B
  • IL-28B
  • IL28C
  • interferon, lambda 3

Background

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.

  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.
 

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for IL-28B/IFN-lambda 3 Antibody (AF1789)(1)

We have publications tested in 1 confirmed species: Bovine.

We have publications tested in 1 application: Western Blot.


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Video Protocols

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Secondary Antibodies

 

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Other Available Formats

Biotin BAF1789

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Bioinformatics

Gene Symbol Ifnl3
Uniprot