IL-18/IL-1F4 Antibody [Unconjugated]

Images

 
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

Product Details

Summary
Reactivity Hu, RMSpecies Glossary
Applications WB, Simple Western, ELISA, B/N, ICC/IF, KO
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH
Validated by:
     

Genetic Strategies

   

Order Details

IL-18/IL-1F4 Antibody [Unconjugated] Summary

Immunogen
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.

Applications/Dilutions

Dilutions
  • ELISA
  • Immunocytochemistry 5-15 ug/mL
  • Knockout Validated
  • Neutralization 0.4-1.2 ug/mL
  • Simple Western 50 ug/mL
  • Western Blot 0.5 ug/mL
Publications
Read Publications using
AF2548 in the following applications:

Reactivity Notes

Rhesus Macaque

Packaging, Storage & Formulations

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.
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).
  1. Arend, W.P. et al. (2008) Immunol. Rev. 223:20.
  2. Giavedoni, L.D. et al. (2001) J. Interferon Cytokine Res. 21:173.
  3. Ghayur, T. et al. (1997) Nature 386:619.
  4. Gu, Y. et al. (1997) Science 275:206.
  5. Boraschi, D. and C.A. Dinarello (2006) Eur. Cytokine Netw. 17:224.
  6. Novick, D. et al. (1999) Immunity 10:127.
  7. Torigoe, K. et al. (1997) J. Biol. Chem. 272:25737.
  8. Born, T.L. et al. (1998) J. Biol. Chem. 273:29445.
  9. Bufler, P. et al. (2002) Proc. Natl. Acad. Sci. USA 99:13723.
  10. Takeda, K. et al. (1998) Immunity 8:383.
  11. Park, S. et al. (2007) Cell. Mol. Immunol. 4:329.
  12. Yoshimoto, T. et al. (1998) J. Immunol. 161:3400.
  13. Hoshino, T. et al. (2001) J. Immunol. 166:7014.
  14. Iannello, A. et al. (2009) AIDS Rev. 11:115.
  15. Rabkin, S.W. (2009) Nat. Clin. Pract. Cardiovasc. Med. 6:192.
  16. 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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    Publications for IL-18/IL-1F4 Antibody (AF2548)(8)

    We have publications tested in 2 confirmed species: Human, N/A.

    We have publications tested in 3 applications: Bioassay, Neutralization, Western Blot.


    Filter By Application
    Bioassay
    (1)
    Neutralization
    (1)
    Western Blot
    (3)
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    Human
    (3)
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    (1)
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    Showing Publications 1 - 8 of 8.
    Publications using AF2548 Applications Species
    Bourne, CM;Raniszewski, NR;Kulkarni, M;Exconde, PM;Liu, S;Yost, W;Wrong, TJ;Patio, RC;Mahale, A;Kardhashi, M;Shosanya, T;Kambayashi, M;Discher, BM;Brodsky, IE;Burslem, GM;Taabazuing, CY; Chemical Tools Based on the Tetrapeptide Sequence of IL-18 Reveals Shared Specificities between Inflammatory and Apoptotic Initiator Caspases bioRxiv : the preprint server for biology 2025-02-27 [PMID: 40060427] (Western Blot, N/A) Western Blot N/A
    Exconde, PM;Hernandez-Chavez, C;Bourne, CM;Richards, RM;Bray, MB;Lopez, JL;Srivastava, T;Egan, MS;Zhang, J;Yoo, W;Shin, S;Discher, BM;Taabazuing, CY; The tetrapeptide sequence of IL-18 and IL-1? regulates their recruitment and activation by inflammatory caspases Cell reports 2023-12-15 [PMID: 38103201] (Bioassay, Western Blot, Human) Bioassay, Western Blot Human
    YJ Kahm, IG Kim, RK Kim RanBP1: A Potential Therapeutic Target for Cancer Stem Cells in Lung Cancer and Glioma International Journal of Molecular Sciences, 2023-04-06;24(7):. 2023-04-06 [PMID: 37047826] (Neutralization, Human) Neutralization Human
    PM Exconde, C Hernandez-, MB Bray, JL Lopez, T Srivastava, MS Egan, J Zhang, S Shin, BM Discher, CY Taabazuing The tetrapeptide sequence of IL-1beta regulates its recruitment and activation by inflammatory caspases bioRxiv : the preprint server for biology, 2023-02-16;0(0):. 2/16/2023 [PMID: 36824844]
    Qinghui Wang, Jeffrey C. Hsiao, Noah Yardeny, Hsin-Che Huang, Claire M. O’Mara, Elizabeth L. Orth-He et al. The NLRP1 and CARD8 inflammasomes detect reductive stress Cell Reports 1/31/2023 [PMID: 36649710]
    SD Rao, Q Chen, Q Wang, EL Orth-He, M Saoi, AR Griswold, A Bhattachar, DP Ball, HC Huang, AJ Chui, DJ Covelli, S You, JR Cross, DA Bachovchin M24B aminopeptidase inhibitors selectively activate the CARD8 inflammasome Nature Chemical Biology, 2022-02-14;0(0):. 2022-02-14 [PMID: 35165443] (Western Blot, Human) Western Blot Human
    Yao Xu, Jingjing Wang, Wangjie Xu, Feng Ding, Wei Ding Prohibitin 2-mediated mitophagy attenuates renal tubular epithelial cells injury by regulating mitochondrial dysfunction and NLRP3 inflammasome activation American Journal of Physiology-Renal Physiology 2/1/2019 [PMID: 30539655]
    DPP8 and DPP9 inhibition induces pro-caspase-1-dependent monocyte and macrophage pyroptosis Nat. Chem. Biol., 2016-11-07;0(0):. 11/7/2016 [PMID: 27820798]

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    Secondary Antibodies

     

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    Pyroptosis: Mechanisms mediating cell death and pro-inflammatory cytokine release
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    Bioinformatics

    Gene Symbol IL18
    Uniprot