Human IL-18 BPa Antibody Summary
Thr31-Gly194 (predicted)
Accession # O95998
Applications
Human IL-18 BPa 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.
Reconstitution Calculator
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-18 BPa
Interleukin 18 binding protein (IL-18 BP) is a secreted glycoprotein, which functions as an IL-18 antagonist by binding to IL-18 and blocking its biological activity.
IL‑18 BP bears no amino acid sequence homology to the membrane-associated IL-18 and IL-1 receptor proteins. The gene for human IL-18 BP has been localized to chromosome 11q13. It encodes for at least four isoforms by alternative splicing. The IL-18 BP isoforms a and c each contain one immunoglobulin (Ig)-like C2-type domain while isoforms b and d lack a complete Ig domain. The complete Ig domain has been shown to be essential to the binding and neutralizing properties of the binding proteins. Two isoforms of mouse IL18 BP (c and d) containing the complete Ig domain have also been isolated and shown to neutralize IL-18 bioactivity. Human and mouse IL-18 BPs share approximately 61% amino acid sequence identity. Several poxviruses also encode proteins with sequence similarity to the human and mouse IL-18 BP. Viral IL-18 BPs have been shown to bind and inhibit IL-18 responses and may be involved in modulating host immune responses. The expression of IL-18 BP is markedly upregulated by IFN-gamma, suggesting that IL-18 activity is modulated by a negative feedback mechanism mediated by IL-18 BP.
- Mühl, H. et al. (2000) Biochem. Biophys. Res. Commun. 267:960.
- Kim, S-H. et al. (2000) Proc. Nat. Acad. Sci. USA 97:1190.
- Calderara, S. et al. (2001) Virology 279:22.
Product Datasheets
Citations for Human IL-18 BPa 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.
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Citations: Showing 1 - 2
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Pegylated Insulin-Like Growth Factor 1 attenuates Hair Cell Loss and promotes Presynaptic Maintenance of Medial Olivocochlear Cholinergic Fibers in the Cochlea of the Progressive Motor Neuropathy Mouse
Authors: Linda Bieniussa, Baran Kahraman, Johannes Skornicka, Annemarie Schulte, Johannes Voelker, Sibylle Jablonka et al.
Frontiers in Neurology
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Autoinflammatory mutation in NLRC4 reveals a leucine-rich repeat (LRR)–LRR oligomerization interface
Authors: Fiona Moghaddas, Ping Zeng, Yuxia Zhang, Heike Schützle, Sebastian Brenner, Sigrun R. Hofmann et al.
Journal of Allergy and Clinical Immunology
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MAB1192 was used as the capture and AF119 was used as the detection antibody for the sandwich ELISA for IL-18PB. The immunoassay standard was 119-BP. Assay had sensitivity of ~10pg/ml.
