Western blot shows lysates of PC-3 human prostate cancer cell line, MCF 10A human breast epithelial cell line, A431 human epithelial carcinoma cell line, and HEK293T human embryonic kidney cell line (negative control ...read more
IL-18/IL-1F4 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Goat Anti-Human/Rhesus Macaque IL-18/IL-1F4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2548) at 5 ...read more
Simple Western lane view shows lysates of HeLa human cervical epithelial carcinoma parental cell line and IL-18/IL-1F4 knockout HeLa cell line, loaded at 0.2 mg/mL. A specific band was detected for ...read more
In the presence of Recombinant Human TNF‑ alpha (20 ng/mL, Catalog # 210-TA), Recombinant Rhesus Macaque IL‑18/IL‑1F4 (Catalog # 2548-RM) stimulates IFN‑ gamma secretion in the KG‑1 human acute myelogenous ...read more
Genetic Strategies: Western blot shows lysates of HeLa human cervical epithelial carcinoma parental cell line and IL-18/IL-1F4 knockout HeLa cell line (KO). PVDF membrane was probed with 1 µg/mL of Goat ...read more
Characteristics of CSC and EMT events regulated by RanBP1 in glioma. (A) Comparison of the expression of GSC marker proteins by RanBP1 gene suppression in GSCs. U87 cells are differentiated into GSCs using TM. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Characteristics of CSC and EMT events regulated by RanBP1 in glioma. (A) Comparison of the expression of GSC marker proteins by RanBP1 gene suppression in GSCs. U87 cells are differentiated into GSCs using TM. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
Cytokines regulated by RanBP1 in lung cancer. (A) Identification of secreted factors regulated by RanBP1 using cytokine arrays. A549 cells are used, and the expression of RanBP1 is suppressed using si-RNA. (B) ...read more
E. coli-derived recombinant rhesus macaque IL‑18/IL-1F4 Tyr37-Asp193 Accession # AAK13416
Specificity
Detects rhesus macaque IL‑18/IL-1F4 in direct ELISAs and Western blots. In Western blots, approximately 10% cross-reactivity with recombinant mouse IL-18, recombinant rat IL-18, and recombinant porcine IL-18 is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
IL18
Purity Statement
Antigen Affinity-purified
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for IL-18/IL-1F4 Antibody [Unconjugated]
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
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.
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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