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Human IL-29/IFN-lambda 1 Antibody

Catalog #: AF1598
11 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
AF1598
AF1598-SP
IL‑29/IFN‑ lambda 1 Inhibition of EMCV‑induced Cytopathy and Neutralization by Human IL‑29/IFN‑ lambda 1 Antibody.
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Citations (11)
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Human IL-29/IFN-lambda 1 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-29/IFN-lambda 1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 25% cross-reactivity with recombinant human (rh) IL‑28A and rhIL-28B is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human IL-29/IFN-lambda 1
Gly20-Thr200
Accession # Q8IU54
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human IL‑29/IFN-lambda 1 (Catalog # 1598-IL)
Neutralization
Measured by its ability to neutralize IL‑29/IFN‑ lambda 1 inhibition of EMCV-induced cytopathy in the HepG2 human hepatocellular carcinoma cell line [Sheppard, P. et al. (2003) Nat. Immunol. 4:63]. The Neutralization Dose (ND50) is typically 0.2-1.0 µg/mL in the presence of 40 ng/mL Recombinant Human IL‑29/IFN‑ lambda 1.

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.

Scientific Data

Neutralization IL‑29/IFN‑ lambda 1 Inhibition of EMCV‑induced Cytopathy and Neutralization by Human IL‑29/IFN‑ lambda 1 Antibody. View Larger

IL‑29/IFN‑ lambda 1 Inhibition of EMCV‑induced Cytopathy and Neutralization by Human IL‑29/IFN‑ lambda 1 Antibody. Recombinant Human IL-29/ IFN-lambda 1 (Catalog # 1598-IL) reduces the Encephalomyocarditis Virus (EMCV)-induced cytopathy in the HepG2 human hepato-cellular carcinoma cell line in a dose-dependent manner (orange line), as measured by crystal violet staining. Inhibition of EMCV activity elicited by Recombinant Human IL-29/IFN-lambda 1 (40 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human IL-29/IFN-lambda 1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1598). The ND50 is typically 0.2-1.0 µg/mL.

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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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IL-29/IFN-lambda 1

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% 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 region of the target genes. Human IL-29 cDNA encodes a 200 amino acid (aa) residue precursor protein with a putative 19 aa signal peptide and a 181 aa mature protein, which is a monomer in solution. It shares 67% and 69% aa sequence identity with human IL-28A and IL-28B, 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 29
Entrez Gene IDs
282618 (Human)
Alternate Names
cytokine Zcyto21; IFNL1; IFN-lambda 1; IFN-lambda-1; IL29; IL-29; interferon lambda-1; interferon, lambda 1; interleukin 29 (interferon, lambda 1); interleukin-29; ZCYTO21

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Citations for Human IL-29/IFN-lambda 1 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.

11 Citations: Showing 1 - 10
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  1. Replication of human norovirus RNA in mammalian cells reveals a lack of interferon response
    J Virol, 2016-09-12;0(0):.
  2. The E3 ligase subunit FBXO45 binds the interferon-lambda receptor and promotes its degradation during influenza virus infection
    Authors: M Tsai, W Osman, J Adair, R ElMergawy, L Chafin, F Johns, D Farkas, A Elhance, J Londino, RK Mallampall
    The Journal of Biological Chemistry, 2022-11-13;0(0):102698.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  3. Diverse susceptibilities and responses of human and rodent cells to orthohantavirus infection reveal different levels of cellular restriction
    Authors: G Gallo, P Kotlik, P Roingeard, M Monot, G Chevreux, RG Ulrich, N Tordo, M Ermonval
    PloS Neglected Tropical Diseases, 2022-10-12;16(10):e0010844.
    Species: Mouse
    Sample Types: Cell Culture Supernates
    Applications: Neutralization
  4. The Effect of Chronic Hepatitis B Virus Infection on BDCA3+ Dendritic Cell Frequency and Function
    PLoS ONE, 2016-08-16;11(8):e0161235.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  5. Parainfluenza Virus 3 Blocks Antiviral Mediators Downstream of the Interferon Lambda Receptor by Modulating Stat1 Phosphorylation
    Authors: Kirsten C. Eberle, Jodi L. McGill, Timothy A. Reinhardt, Randy E. Sacco
    Journal of Virology
  6. Dobrava-Belgrade hantavirus from Germany shows receptor usage and innate immunity induction consistent with the pathogenicity of the virus in humans.
    Authors: Popugaeva E, Witkowski PT, Schlegel M, Ulrich RG, Auste B, Rang A, Kruger DH, Klempa B
    PLoS ONE, 2012-04-24;7(4):e35587.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  7. Sangassou Virus, the First Hantavirus Isolate from Africa, Displays Genetic and Functional Properties Distinct from Those of Other Murinae-Associated Hantaviruses
    Authors: Boris Klempa, Peter T. Witkowski, Elena Popugaeva, Brita Auste, Lamine Koivogui, Elisabeth Fichet-Calvet et al.
    Journal of Virology
  8. Adenoviruses-mediated transduction of human oesophageal carcinoma cells with the interferon-lambda genes produced anti-tumour effects.
    Authors: Li Q, Kawamura K, Okamoto S, Fujie H, Numasaki M, Namba M, Nagata M, Shimada H, Kobayashi H, Tagawa M
    Br. J. Cancer, 2011-09-27;105(9):1302-12.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Western Blot
  9. New World hantaviruses activate IFNlambda production in type I IFN-deficient vero E6 cells
    Authors: Joseph Prescott, Pamela Hall, Mariana Acuna-Retamar, Chunyan Ye, Marc G. Wathelet, Hideki Ebihara et al.
    PLoS ONE
  10. Respiratory virus induction of alpha-, beta- and lambda-interferons in bronchial epithelial cells and peripheral blood mononuclear cells.
    Authors: Khaitov MR, Laza-Stanca V, Edwards MR, Walton RP, Rohde G, Contoli M, Papi A, Stanciu LA, Kotenko SV, Johnston SL
    Allergy, 2009-01-28;64(3):375-86.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development
  11. Human TLR-7-, -8-, and -9-mediated induction of IFN-alpha/beta and -lambda Is IRAK-4 dependent and redundant for protective immunity to viruses.
    Authors: Yang K, Puel A, Zhang S, Eidenschenk C, Ku CL, Casrouge A, Picard C, von Bernuth H, Senechal B, Plancoulaine S, Al-Hajjar S, Al-Ghonaium A, Marodi L, Davidson D, Speert D, Roifman C, Garty BZ, Ozinsky A, Barrat FJ, Coffman RL, Miller RL, Li X, Lebon P, Rodriguez-Gallego C, Chapel H, Geissmann F, Jouanguy E, Casanova JL
    Immunity, 2005-11-01;23(5):465-78.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development

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