Human IL-29/IFN-lambda 1 Biotinylated Antibody
Human IL-29/IFN-lambda 1 Biotinylated Antibody Summary
Accession # Q8IU54
IL-29/IFN-lambda 1 Sandwich Immunoassay
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.
Preparation and Storage
- 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.
- Vilcek, J. (2003) Nature Immunol. 4:8.
- Sheppard, P. et al. (2003) Nature Immunol. 4:63.
- Kotenko, S.V. et al. (2003) Nature Immunol. 4:69.
Citations for Human IL-29/IFN-lambda 1 Biotinylated 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.
Citations: Showing 1 - 4
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High levels of circulating interferons type I, type II and type III associate with distinct clinical features of active systemic lupus erythematosus
Authors: V Oke, I Gunnarsson, J Dorschner, S Eketjäll, A Zickert, TB Niewold, E Svenungsso
Arthritis Res. Ther., 2019;21(1):107.
Sample Types: Plasma
Applications: ELISA Detection
IFN-?1 with Th17 axis cytokines and IFN-? define different subsets in systemic lupus erythematosus (SLE)
Authors: V Oke, S Brauner, A Larsson, J Gustafsson, A Zickert, I Gunnarsson, E Svenungsso
Arthritis Res. Ther., 2017;19(1):139.
Sample Types: Serum
Interferon (IFN)-? is a potential mediator in lupus nephritis
Authors: Iva Gunnarsson
Lupus Sci Med, 2016;3(1):e000170.
Sample Types: Serum
Applications: ELISA Development (Detection)
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
Sample Types: Cell Culture Supernates
Applications: ELISA Development
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