Human IL-3 Antibody

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  • Species Reactivity
    Human
  • Specificity
    Detects human IL-3 in ELISAs and Western blots. In sandwich ELISAs, no significant cross-reactivity or interference with recombinant human (rh) IL-1 alpha, rhIL-1 beta, recombinant mouse (rm) IL-1 beta, rhIL-2, rhIL-3 R alpha, rhIL-3 R beta, rmIL-3, rhIL-4, rmIL-4, rmIL-5, rhIL-6, rmIL-6, rhIL-7, rmIL-7, rhIL-8, bovine FGF acidic, bovine FGF basic, rhG-CSF, rhGM-CSF, rmGM-CSF, rhLIF, hPDGF, porcine PDGF, human TGF‑ beta 1, porcine TGF‑ beta 1, rhTGF‑ beta 1, porcine TGF‑ beta 2, porcine TGF‑ beta 1.2, rhTNF-alpha, or rhTNF-beta was observed. Does not neutralize the biological activity of rmIL‑3.
  • Source
    Monoclonal Mouse IgG1 Clone # 4815
  • Purification
    Protein A or G purified from ascites
  • Immunogen
    E. coli-derived recombinant human IL-3
    Ala20-Phe152
    Accession # P08700
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Product Datasheets

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Applications
  •  
    Recommended
    Concentration
    Sample
    • Human IL-3 Sandwich Immunoassay
      Reagent
  • ELISA Capture (Matched Antibody Pair)
    2-8 µg/mL 
    Human IL‑3 Antibody (Catalog # MAB603 )
  • ELISA Detection (Matched Antibody Pair)
    0.1-0.4 µg/mL 
    Human IL‑3 Biotinylated Antibody (Catalog # BAF203 )
  • ELISA Standard
     
    Recombinant Human IL-3 Protein (Catalog # 203-IL )
  • Neutralization
    Measured by its ability to neutralize IL‑3-induced proliferation in the TF‑1 human erythroleukemic cell line. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The Neutralization Dose (ND50) is typically 0.1-0.3 µg/mL in the presence of 1.25 ng/mL Recombinant Human IL‑3.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Example
Cell Proliferation Induced by IL‑3 and Neutralization by Human IL‑3 Antibody. Recombinant Human IL‑3 (Catalog # 203-IL) stimulates proliferation in the TF‑1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human IL‑3 (1.25 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human IL‑3 Monoclonal Antibody (Catalog # MAB603). The ND50 is typically 0.1‑0.3 µg/mL.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
    Reconstitution Buffer Available
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & 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.
Background: IL-3

Interleukin 3 is a pleiotropic factor produced primarily by activated T cells that can stimulate the proliferation and differentiation of pluripotent hematopoietic stem cells as well as various lineage committed progenitors. In addition, IL-3 also affects the functional activity of mature mast cells, basophils, eosinophils and macrophages. Because of its multiple functions and targets, it was originally studied under different names, including mast cell growth factor, P-cell stimulating factor, burst promoting activity, multi-colony stimulating factor, thy-1 inducing factor and WEHI-3 growth factor. In addition to activated T cells, other cell types such as human thymic epithelial cells, activated murine mast cells, murine keratinocytes and neurons/astrocytes can also produce IL-3. At the amino acid sequence level, mature human and murine IL-3 share only 29% sequence identity. Consistent with this lack of homology, IL-3 activity is highly species-specific and human IL-3 does not show activity on murine cells.

IL-3 exerts its biological activities through binding to specific cell surface receptors. The high affinity receptor responsible for IL-3 signaling is composed of at least two subunits, an IL-3 specific alpha chain which binds IL-3 with low affinity and a common beta chain that is shared by the IL-5 and GM-CSF high-affinity receptors. Although the beta chain itself does not bind IL-3, it confers high-affinity IL-3 binding in the presence of the  alpha chain. Receptors for IL-3 are present on bone marrow progenitors, macrophages, mast cells, eosinophils, megakaryocytes, basophils and various myeloid leukemic cells.

  • Long Name:
    Interleukin 3
  • Entrez Gene IDs:
    3562 (Human); 16187 (Mouse); 24495 (Rat)
  • Alternate Names:
    Hematopoietic growth factor; IL3; IL-3; IL-3MGC79398; interleukin 3 (colony-stimulating factor, multiple); interleukin-3; Mast cell growth factor; mast-cell growth factor; MCGFMGC79399; MULTI-CSF; multilineage-colony-stimulating factor; Multipotential colony-stimulating factor; P-cell stimulating factor; P-cell-stimulating factor
Related Research Areas

FAQs

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Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Isotype Control

Ctrl MAB002 148  
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Mouse IgG1 Isotype Control

Ctrl MAB002R 1
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Primary Antibodies
Description Application Cat# Citations Images  

Human IL-3 Antibody

Neut MAB603R 1  
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Reconstitution Buffers
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Reconstitution Buffer 1 (PBS)

RB01
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 32  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 12  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow , IHC , ICC NL007 10
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow , IHC , ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 4  
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG Antibody

WB AF007 4
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow , IHC , ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Average Rating: 4 (Based on 1 review)

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We have 1 review tested in 1 species: Mouse.
We have 1 review tested in 1 application: ELISA.

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  Very Good
 ELISA Mouse Anonymous 10/23/2017
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Summary

Application ELISA
Sample Tested 7TD1 mouse hybridoma cell line
Species Mouse

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