IL-4 Antibody [Biotin] (BAF654)

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Product Details

Summary
Reactivity PoSpecies Glossary
Applications WB, ELISA(Det)
Clonality
Polyclonal
Host
Goat
Conjugate
Biotin
Concentration
LYOPH

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Catalog# & Conjugate Size Price

IL-4 Antibody [Biotin] Summary

Immunogen
E. coli-derived recombinant porcine IL-4 (R&D Systems, Catalog # 654-P4)
His25-Cys133
Accession # Q04745
Specificity
Detects porcine IL-4 in ELISAs and Western blots. In sandwich immunoassays, less than 2% cross-reactivity with recombinant feline IL‑4 is observed and less than 0.5% cross-reactivity with recombinant human (rh) IL-4, recombinant canine IL-4, recombinant cotton rat IL-4, recombinant mouse (rm) IL-4, and recombinant rat (rr) IL-4 is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
IL4
Purity
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 0.1 ug/mL
  • ELISA Capture (Matched Antibody Pair) 0.2-0.8 ug/mL
  • ELISA Detection (Matched Antibody Pair) 0.1-0.4 ug/mL
  • ELISA Standard (Matched Pair)
Application Notes
ELISA Capture: Porcine IL-4 Antibody (Catalog # AF654)
ELISA Detection: Porcine IL-4 Biotinylated Antibody (Catalog # BAF654)
Standard: Recombinant Porcine IL-4 (Catalog # 654-P4)
Readout System
Publications
Read Publication using
BAF654 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 BSA as a carrier protein.
Preservative
No Preservative
Concentration
LYOPH
Purity
Antigen Affinity-purified
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-4 Antibody [Biotin]

  • B cell growth factor 1
  • BCDF
  • B-cell stimulatory factor 1
  • BCGF1
  • BCGF-1
  • binetrakin
  • BSF1
  • BSF-1
  • IL4
  • IL-4
  • IL-4B_cell stimulatory factor 1
  • interleukin 4
  • interleukin-4
  • Lymphocyte stimulatory factor 1
  • MGC79402
  • pitrakinra

Background

Interleukin-4 (IL-4), also known as B cell-stimulatory factor-1, is a monomeric, approximately 13 - 18 kDa Th2 cytokine that shows pleiotropic effects during immune responses (1 - 3). It is a glycosylated polypeptide that contains three intrachain disulfide bridges and adopts a bundled four alpha -helix structure (4). Porcine IL-4 is synthesized with a 24 amino acid (aa) signal sequence. Mature porcine IL-4 shares 78%, 59%, 41%, and 41% aa sequence identity with bovine, human, mouse, and rat IL-4, respectively. Human IL-4 is active on porcine vascular endothelial cells (5). IL-4 exerts its effects through two receptor complexes (6, 7). The type I receptor, which is expressed on hematopoietic cells, is a heterodimer of the ligand binding IL-4 R alpha and the common gamma chain (a shared subunit of the receptors for IL-2, -7, -9, -15, and -21). The type II receptor on nonhematopoietic cells consists of IL-4 R alpha and IL-13 R alpha 1. The type II receptor also transduces IL-13 mediated signals. IL-4 is primarily expressed by Th2-biased CD4+ T cells, mast cells, basophils, and eosinophils (1, 2). It promotes cell proliferation, survival, and immunoglobulin class switch to IgE in B cells, acquisition of the Th2 phenotype by naïve CD4+ T cells, priming and chemotaxis of mast cells, eosinophils, and basophils, and the proliferation and activation of epithelial cells (8, 11). IL-4 plays a dominant role in the development of allergic inflammation and asthma (10, 12).

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-4 Antibody (BAF654)(1)

We have publications tested in 1 confirmed species: Porcine.

We have publications tested in 1 application: ELISpot Development.


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Video Protocols

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Secondary Antibodies

 

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Bioinformatics

Gene Symbol IL4
Entrez
Uniprot