IL-18/IL-1F4 Antibody (925008) [Alexa Fluor® 750] Summary
Immunogen |
E. coli-derived recombinant human IL-18/IL-1F4 Tyr37-Asp193 Accession # Q14116 |
Specificity |
Detects human IL-18/IL-1F4 in direct ELISAs. |
Source |
N/A |
Isotype |
IgG1 |
Clonality |
Monoclonal |
Host |
Mouse |
Purity Statement |
Protein A or G purified from hybridoma culture supernatant |
Innovator's Reward |
Test in a species/application not listed above to receive a full credit towards a future purchase. |
Applications/Dilutions
Dilutions |
- Intracellular Staining by Flow Cytometry 0.25-1 ug/10^6 cells
|
Packaging, Storage & Formulations
Storage |
Protect from light. Do not freeze.- 12 months from date of receipt, 2 to 8 °C as supplied.
|
Buffer |
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide. |
Notes
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for IL-18/IL-1F4 Antibody (925008) [Alexa Fluor® 750]
Background
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). Rhesus IL-18 is synthesized as a 24 kDa proprotein that contains a 36 amino acid (aa) propeptide and a 157 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 rhesus IL-18 shares 96% aa sequence identity with human IL-18 and 60-76% with mouse, rat, canine, feline, and porcine 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).
- Arend, W.P. et al. (2008) Immunol. Rev. 223:20.
- Giavedoni, L.D. et al. (2001) J. Interferon Cytokine Res. 21:173.
- 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.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are
guaranteed for 1 year from date of receipt.
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