Rat IL-18/IL-1F4 Biotinylated Antibody

Catalog #: BAF521
2 Citations Datasheet / COA / SDS

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BAF521

All IL-18/IL-1F4 Antibodies

Product Details

Citations (2)

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Rat IL-18/IL-1F4 Biotinylated Antibody Summary

Species Reactivity

Rat

Specificity

Detects rat IL‑18/IL‑1F4 in Western blots. In Western blots, approximately 25% cross-reactivity with recombinant mouse IL-18 is observed and 10% cross-reactivity with recombinant human IL-18 is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant rat IL‑18/IL‑1F4
His37-Ser194
Accession # P97636

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.

Label

Biotin

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

Recombinant Rat IL‑18/IL‑1F4 (Catalog # 521-RL)

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

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Shipping

The product is shipped at ambient temperature. Upon receipt, store it 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-18/IL-1F4

Interleukin-18 (IL-18), also known as IL-1F4 and IFN-gamma inducing factor (IGIF), is a member of the IL-1 family of cytokines and is a key molecule in the innate immune response (1). Rat IL-18 is synthesized as a 24 kDa proprotein that contains a 36 amino acid (aa) propeptide and a 158 aa mature region (2). Under inflammatory conditions, the propeptide is cleaved by Caspase-1 in the cytoplasm to liberate the mature nonglycosylated 18 kDa monomeric IL-18 (3, 4). Mature rat IL-18 shares 91% aa sequence identity with mouse IL-18 and 60-64% aa sequence identity with human, canine, feline, porcine, and rhesus macaque IL-18. IL-18 is secreted by a variety of cell types including macrophages, dendritic cells, and epithelial cells (1, 5). Circulating mature IL-18 is sequestered by soluble IL-18 binding proteins (IL‑18 BP) that inhibit IL-18 bioactivity (6). IL-18 interacts with the widely expressed IL-18 R alpha which then recruits the signaling subunit IL-18 R beta (7, 8). The IL-1 family member IL-1F7 also binds to IL-18 R alpha but does not recruit IL-18 R beta or induce signaling (9). IL-1F7 binds IL‑18 BP and enhances its neutralizing effect on IL-18 activity (9). IL-18 synergizes with other cytokines to activate NK, Th1, and Th17 cells and to increase the production of IFN-gamma (1, 5, 10-12). IL-18 can also promote Th2 cytokine release which reduces the effectiveness of antiviral responses (13, 14). Increased levels of active IL-18 contribute to the severity of autoimmunity and hypertension, while deficiency of IL-18 results in symptoms of metabolic syndrome (1, 5, 15, 16). In cancer, IL-18 stimulates Th1 and NK cells to target tumor cells, but it can also promote angiogenesis, metastasis, and tumor cell immune evasion (11).

References

Arend, W.P. et al. (2008) Immunol. Rev. 223:20.
Culhane, A.C. et al. (1998) Mol. Psychiatry 3:362.
Ghayur, T. et al. (1997) Nature 386:619.
Gu, Y. et al. (1997) Science 275:206.
Boraschi, D. and C.A. Dinarello (2006) Eur. Cytokine Netw. 17:224.
Novick, D. et al. (1999) Immunity 10:127.
Torigoe, K. et al. (1997) J. Biol. Chem. 272:25737.
Born, T.L. et al. (1998) J. Biol. Chem. 273:29445.
Bufler, P. et al. (2002) Proc. Natl. Acad. Sci. USA 99:13723.
Takeda, K. et al. (1998) Immunity 8:383.
Park, S. et al. (2007) Cell. Mol. Immunol. 4:329.
Yoshimoto, T. et al. (1998) J. Immunol. 161:3400.
Hoshino, T. et al. (2001) J. Immunol. 166:7014.
Iannello, A. et al. (2009) AIDS Rev. 11:115.
Rabkin, S.W. (2009) Nat. Clin. Pract. Cardiovasc. Med. 6:192.
Netea, M.G. et al. (2006) Nat. Med. 12:650.

Long Name

Interleukin 18

Entrez Gene IDs

3606 (Human); 16173 (Mouse); 29197 (Rat); 397057 (Porcine); 574151 (Primate)

Alternate Names

Iboctadekin; IFN-gamma-inducing factor; IGIF; IGIFIL-1 gamma; IL18; IL-18; IL-18MGC12320; IL-1F4; IL1F4iboctadekin; IL-1g; Interferon gamma-inducing factor; interleukin 18 (interferon-gamma-inducing factor); Interleukin-1 gamma; interleukin-18

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Citations for Rat IL-18/IL-1F4 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.

2 Citations: Showing 1 - 2
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Inhibition of angiogenesis by interleukin-4 gene therapy in rat adjuvant-induced arthritis.
Authors: Haas CS, Amin MA, Allen BB, Ruth JH, Haines GK, Woods JM, Koch AE
Arthritis Rheum., 2006-08-01;54(8):2402-14.
Species: Rat
Sample Types: Tissue Homogenates
Applications: ELISA Development
Role of IL-18 in acute lung inflammation.
Authors: Jordan JA, Guo RF, Yun EC, Sarma V, Warner RL, Crouch LD, Senaldi G, Ulich TR, Ward PA
J. Immunol., 2001-12-15;167(12):7060-8.
Species: Rat
Sample Types: BALF
Applications: ELISA Development