Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Measured by its ability to neutralize IL‑18/IL‑1F4-induced IFN‑ gamma secretion in activated mouse T cells. Ahn, H.J. et al. (1997) J. Immunol. 159:2125. The Neutralization Dose (ND50) is typically 0.2-0.8 µg/mL in the presence of 0.5 ng/mL Recombinant Mouse IL‑18/IL‑1F4 and 0.1 ng/mL Recombinant Mouse IL‑12.
Please Note: Optimal dilutions should be determined by each laboratory for each application.
are available in the Technical Information section on our website.
IFN‑ gamma Secretion Induced by IL‑18/IL‑1F4 and Neutralization by Mouse IL‑18 R alpha /IL‑1 R5 Antibody.
In the presence of Recombinant Mouse IL‑12 (0.1 ng/mL, Catalog # 419-ML), Recombinant Mouse IL‑18/IL‑1F4 stimulates IFN‑ gamma secretion in activated mouse T cells in a dose-dependent manner (orange line), as measured by the Mouse IFN‑ gamma Quantikine ELISA Kit (Catalog # MIF00). Under these conditions, IFN‑ gamma secretion elicited by Recombinant Mouse IL‑18/IL‑1F4 (0.5 ng/mL) is neutralized (green line) by increasing concentrations of Mouse IL‑18 R alpha /IL‑1 R5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF856). The ND50 is typically 0.2-0.8 µg/mL.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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-18 R alpha/IL-1 R5
Interleukin-18 (IL-18) is a member of the IL-1 family of cytokines and shares numerous immuno-regulatory functions with IL-12. The functional IL-18 receptor complex is composed of two subunits designated IL18 R alpha (also termed IL-1 R5 and IL-1 Rrp) and IL-18 R beta (also termed IL-1 R7 and AcPL). Both IL-18 R alpha and IL-18 R beta belong to the IL-1 receptor superfamily. Although IL-18 R by itself binds IL-18 with low affinity and IL-18 R beta does not bind IL18 in vitro, coexpression of IL-18 R alpha and IL18 R beta is required for high affinity binding and IL-18 responsiveness.
Human IL-18 R cDNA encodes a 541 amino acid (aa) precursor type I membrane protein with a hydrophobic signal, an extracellular domain comprised of three immunoglobulin-like domains, a transmembrane domain and a cytoplasmic region of approximately 200 aa residues. Human and mouse IL-18 R share 65% amino acid sequence homology. IL-18 R is widely expressed in numerous tissues including spleen, thymus, leukocyte, liver, lung, heart, small and large intestine, prostate and placenta.
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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