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

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IL-18/IL-1F4 was detected in immersion fixed porcine peripheral blood mononuclear cells (PBMCs) using Goat Anti-Porcine IL-18/IL-1F4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF588) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
IL-18/IL-1F4 was detected in immersion fixed porcine peripheral blood mononuclear cells (PBMCs) using Goat Anti-Porcine IL-18/IL-1F4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF588) at 15 µg/mL for 3 ...read more

Product Details

Summary
Reactivity PoSpecies Glossary
Applications WB, ICC/IF
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH

Order Details

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Catalog# & Conjugate Size Price
Biotin
BAF588
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Catalog# & Formulation Size Price
Carrier Free
AF588-SP
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IL-18/IL-1F4 Antibody [Unconjugated] Summary

Immunogen
E. coli-derived recombinant porcine IL‑18/IL‑1F4
Specificity
Detects porcine IL‑18/IL‑1F4 in direct ELISAs and Western blots. In direct ELISAs, approximately 30% cross‑reactivity with recombinant human IL-18 is observed and 10% cross-reactivity with recombinant rat IL‑18 and recombinant mouse IL‑18 is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
IL18
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
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Applications/Dilutions

Dilutions
  • Immunocytochemistry 5-15 ug/mL
  • Western Blot 0.1 ug/mL
Publications
Read Publication using
AF588 in the following applications:

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). Porcine IL-18 is synthesized as a 24 kDa proprotein that contains a 35 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 porcine IL-18 shares 88% aa sequence identity with canine and feline IL-18 and 61%‑76% with human, mouse, rat,  and rhesus 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, 11, 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. Muneta, Y. et al. (2000) Cytokine 12:566.
  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. 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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IL-18/IL-1F4
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AF588
IL-18/IL-1F4 Antibody [Unconjugated]
Species: Po
Applications: WB, ICC/IF

Publications for IL-18/IL-1F4 Antibody (AF588)(1)

We have publications tested in 1 confirmed species: Mouse.

We have publications tested in 1 application: Western Blot.


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Bioinformatics

Gene Symbol IL18