Recombinant IL3RA antibody
Quick Overview for Recombinant IL3RA antibody (ABIN7487684)
Target
See all IL3RA AntibodiesAntibody Type
Reactivity
Host
Clonality
Conjugate
Application
Clone
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Purpose
- Anti-CD123 [7G3], Rabbit IgG, kappa
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Specificity
- This antibody specifically binds to the IL-3R alpha-chain and completely abolishes its function. IL-3R is expressed on myeloid, lymphoid, and vascular endothelial cells, where it transduces IL-3-dependent signals leading to cell activation.
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Characteristics
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Original Species of Ab: Mouse
Original Format of Ab: IgG2a
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Purification
- Protein A affinity purified
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Immunogen
- The original antibody was generated by intraperitoneally immunizing BALB/c mice with 5 X lo6 COS cells transfected with the IL-3R a-chain in combination with adjuvant peptides.
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Isotype
- IgG kappa
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Application Notes
- This antagonist antibody binds IL-3Rα and blocks IL-3 binding and IL-3-mediated functions. mAb 7G3 immunoprecipitated and recognized in western blots the IL-3R α chain expressed by transfected cells and bound to primary cells expressing IL-3Rα. The expression of IL-3Rα chain on various cells types was analysed by flow cytometry using this antibody (PMID: 8547680). It is reported that 7G3 inhibits IL-3Rα and βc dimerization (PMID: 8649415). This antibody was used in the study of neutrophils expressing IL-3 receptors which are activated by granulocyte-macrophage colony-stimulating factor or GM-CSF (PMID: 7579364). The original 7G3, mouse IgG2a antibody inhibited IL-3-mediated intracellular signaling of isolated acute myeloid leukemia (AML) CD34+ CD38- cells in vitro and reduced their survival (PMID: 19570512). Humanized version of this antibody CSL362 is available on request. CSL362, retains the ability to neutralise IL-3 and has enhanced affinity for the FcγRIIIa (CD16) on NK cells. In vitro studies have demonstrated that the increased affinity for CD16 correlates with greater antibody-dependent cell-mediated cytotoxicity (ADCC) against CD123 expressing cell lines (Busfield et al., 2012). CSL362 is being accessed for use in the treatment of myeloid leukemia (PMID: 24363400, 2524888, 26130514).
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Comment
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This chimeric rabbit antibody was made using the variable domain sequences of the original Mouse IgG2a format, for improved compatibility with existing reagents, assays and techniques.
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Restrictions
- For Research Use only
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Concentration
- 1 mg/mL
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Buffer
- PBS with 0.02 % Proclin 300.
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Preservative
- ProClin
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Precaution of Use
- This product contains ProClin: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
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Storage
- 4 °C,-20 °C
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Storage Comment
- Store at 4°C for up to 3 months. For longer storage, aliquot and store at -20°C.
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- IL3RA (Interleukin 3 Receptor, alpha (IL3RA))
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Alternative Name
- CD123
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Background
- IL3RA, IL-3RA, IL-3R-alpha, Interleukin-3 receptor subunit alpha, IL-3 receptor subunit alpha, IL-3R subunit alpha
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UniProt
- P26951
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Pathways
- JAK-STAT Signaling
Target
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