Rat IL-4 Biotinylated Antibody

(1 citations)
(1 Review)
  
  • Species Reactivity
    Rat
  • Specificity
    Detects rat IL-4 in ELISAs and Western blots. In sandwich immunoassays, less than 0.05% cross-reactivity with recombinant mouse IL-4 and recombinant human IL-4 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant rat IL‑4
    Cys25-Ser147
    Accession # P20096
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
  • Label
    Biotin
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Rat IL‑4 (Catalog # 504-RL)
    • Rat IL-4 Sandwich Immunoassay
      Reagent
  • ELISA Capture (Matched Antibody Pair)
    2-8 µg/mL 
    Rat IL‑4 Antibody (Catalog # MAB504)
  • ELISA Detection (Matched Antibody Pair)
    0.1-0.4 µg/mL 
    Rat IL‑4 Biotinylated Antibody (Catalog # BAF504)
  • ELISA Standard
     
    Recombinant Rat IL-4 Protein (Catalog # 504-RL)
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.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
  • 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-4

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). Rat IL-4 is synthesized with a 24 amino acid (aa) signal sequence. Mature rat IL-4 shares 41%, 43%, and 59% aa sequence identity with bovine, human, and mouse IL-4, respectively. Human, mouse, and rat IL-4 are species-specific in their activities (5-7). IL-4 exerts its effects through two receptor complexes (8, 9). 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 IgG1 and IgE in rodent 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 (10-13). IL-4 plays a dominant role in the development of allergic inflammation and asthma (12, 14).

  • References:
    1. Benczik, M. and S.L. Gaffen (2004) Immunol. Invest. 33:109.
    2. Chomarat, P. and J. Banchereau (1998) Int. Rev. Immunol. 17:1.
    3. McKnight, A.J. et al. (1991) Eur. J. Immunol. 21:1187.
    4. Redfield, C. et al. (1991) Biochemistry 30:11029.
    5. Ramirez, F. et al. (1988) J. Immunol. Meth. 221:141.
    6. Leitenberg, D. and T.L. Feldbush (1988) Cell. Immunol. 111:451.
    7. Mosman, T.R. et al. (1987) J. Immunol. 138:1813.
    8. Mueller, T.D. et al. (2002) Biochim. Biophys. Acta 1592:237.
    9. Nelms, K. et al. (1999) Annu. Rev. Immunol. 17:701.
    10. Paludan, S.R. (1998) Scand. J. Immunol. 48:459.
    11. Corthay, A. (2006) Scand. J. Immunol. 64:93.
    12. Ryan, J.J. et al. (2007) Crit. Rev. Immunol. 27:15.
    13. Grone, A. (2002) Vet. Immunol. Immunopathol. 88:1.
    14. Rosenberg, H.F. et al. (2007) J. Allergy Clin. Immunol. 119:1303.
  • Long Name:
    Interleukin 4
  • Entrez Gene IDs:
    3565 (Human); 16189 (Mouse); 287287 (Rat); 397225 (Porcine); 280824 (Bovine); 403785 (Canine); 574281 (Primate); 100302454 (Rabbit)
  • Alternate Names:
    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
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citations: Showing 1 - 1

  1. Overexpression of interleukin-13 induces minimal-change-like nephropathy in rats.
    Authors: Lai KW, Wei CL, Tan LK, Tan PH, Chiang GS, Lee CG, Jordan SC, Yap HK
    J. Am. Soc. Nephrol., 2007;18(5):1476-85.
    Species: Rat
    Sample Type: Serum
    Application: ELISA Development
Isotype Controls
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Average Rating: 5 (Based on 1 review)

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ELISA Rat IL-4 Biotinylated Antibody BAF504
ELISA: Rat IL-4 Biotinylated Antibody [BAF504]

Summary

ApplicationELISA
Sample TestedSerum

Other Experimental Details

Other Experimental DetailsThis antibody was used as the detection paired with MAB504 as a capture in an ELISA to measure rat IL-4. Both antibodies worked well in this application.

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