Cat. No.
MABL-2043
Application
IP, neutralize, ELISA, FC
Isotype
Engineer antibody
Species Reactivity
Human, Cynomolgus Monkey
Clone No.
ABT-325 (A-794722.0; 2.5(E))
From
Recombinant Antibody
Specificity
This antibody binds human and cynomolgus monkey IL-18 and does not cross react with mouse, rat or dog IL-18. Interleukin-18 is a pro-inflammatory cytokine primarily involved in epithelial barrier repair, polarized T-helper 1 (Th1) cell and natural killer (NK) cell immune responses.
Alternative Names
Interleukin-18; IL18; IGIF; IL1F4; Iboctadekin; Interferon gamma-inducing factor; IFN-gamma-inducing factor; Interleukin-1 gamma; IL-1 gamma; ABT325; 2.5(E)mg1
UniProt
Q14116
Immunogen
The original antibody was generated by immunizing transgenic Xenomouse with human IL-18 in phosphate-buffered saline.
Application Notes
The binding characterization of this antibody to human and cynomolgus monkey IL-18 was done using BIACORE assay. The binding affinity of the human IgG1 version was reported to be Kd=0.196 nM. This antibody can be used to immunoprecipitate human and cynomolgus monkey IL-18. This antibody neutralized both recombinant (KG-1 and RBA) and natural IL-18 (WBA) in an in vitro assay. The ability of this antibody to neutralize natural human IL-18-induced IFNγ in an inflammatory environment in vivo, the severe combined immunodeficient (SCID) mouse model was used wherein human PBMCs were injected into the mouse and the cells were stimulated in vivo to produce human IL-18 (HuPBMC-SCID model). This antibody inhibited human IL-18-dependent human IFNγ production in vivo with a clear dose- response by either route of administration. The binding of C1q to this antibody was determined using standard ELISA techniques (US20050100965). This antibody was used in the generation of a dual variable domain immunoglobulin (DVD-Ig) in combination with anti-IL-12 antibody for therapeutic use for targeting disease where multiple mediators contribute to overall disease pathogenesis (PMID: 17934452).
Antibody First Published
Note on publication
Size
100 μg Purified antibody.
Concentration
1 mg/ml.
Purification
Protein A affinity purified
Buffer
PBS with 0.02% Proclin 300.
Storage Recommendation
Store at 4⁰C for up to 3 months. For longer storage, aliquot and store at - 20⁰C.
