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Canine IL-4 Antibody

Catalog #: MAB754
3 Citations Datasheet
Catalog # Availability Size / Price Qty
MAB754
MAB754-SP
Cell Proliferation Induced by IL‑4 and Neutralization by Canine IL‑4 Antibody.
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Citations (3)
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Canine IL-4 Antibody Summary

Species Reactivity
Canine
Specificity
Detects canine IL-4 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant human (rh) IL-4, recombinant mouse IL-4, recombinant rat IL-4, recombinant porcine IL-4, recombinant feline IL-4, or rhIL-13 is observed.
Source
Monoclonal Mouse IgG1 Clone # 140429
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant canine IL-4
His25-His132
Accession # O77762
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.

Applications

Recommended Concentration
Sample
Neutralization
Measured by its ability to neutralize IL‑4-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 0.4-2.0 µg/mL in the presence of 50 ng/mL Recombinant Canine IL‑4.

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.

Scientific Data

Neutralization Cell Proliferation Induced by IL‑4 and Neutralization by Canine IL‑4 Antibody. View Larger

Cell Proliferation Induced by IL‑4 and Neutralization by Canine IL‑4 Antibody. Recombinant Canine IL-4 (Catalog # 754-CL) stimulates proliferation in the TF-1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Canine IL-4 (50 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Canine IL-4 Monoclonal Antibody (Catalog # MAB754). The ND50 is typically 0.4-2.0 µg/mL.

Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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 kDa‑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 (5). Canine IL-4 is synthesized with a 24 amino acid (aa) signal sequence. Mature canine IL-4 shares 81%, 61%, 46%, 38%, and 37% aa sequence identity with feline, bovine, human, mouse, and rat IL-4, respectively. 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 non‑hematopoietic 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).

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. Khatlani, T. et al. (1999) J. Vet. Med. Sci. 61:967.
  4. van der Kaaij, S.Y. et al. (1999) Immunogenetics 49:142.
  5. Redfield, C. et al. (1991) Biochemistry 30:11029.
  6. Mueller, T.D. et al. (2002) Biochim. Biophys. Acta 1592:237.
  7. Nelms, K. et al. (1999) Annu. Rev. Immunol. 17:701.
  8. Paludan, S.R. (1998) Scand. J. Immunol. 48:459.
  9. Corthay, A. (2006) Scand. J. Immunol. 64:93.
  10. Ryan, J.J. et al. (2007) Crit. Rev. Immunol. 27:15.
  11. Grone, A. (2002) Vet. Immunol. Immunopathol. 88:1.
  12. 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; IL4E12; interleukin 4; interleukin-4; Lymphocyte stimulatory factor 1; MGC79402; pitrakinra

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Citations for Canine IL-4 Antibody

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.

3 Citations: Showing 1 - 3
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  1. Expression of Toll-like receptors 2 and 9 in cells of dog jejunum and colon naturally infected with Leishmania infantum.
    Authors: Figueiredo M, Amorim I, Pinto A, Barbosa V, Pinheiro L, Deoti B, Faria A, Tafuri W
    BMC Immunol, 2013-05-14;14(0):22.
    Species: Canine
    Sample Types: Tissue Homogenates
    Applications: ELISA Development
  2. Long-lasting protection against canine visceral leishmaniasis using the LiESAp-MDP vaccine in endemic areas of France: double-blind randomised efficacy field trial.
    Authors: Lemesre JL, Holzmuller P, Goncalves RB, Bourdoiseau G, Hugnet C, Cavaleyra M, Papierok G
    Vaccine, 2007-03-15;25(21):4223-34.
    Species: Canine
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development
  3. Protection against experimental visceral leishmaniasis infection in dogs immunized with purified excreted secreted antigens of Leishmania infantum promastigotes.
    Authors: Lemesre JL, Holzmuller P, Cavaleyra M, Goncalves RB, Hottin G, Papierok G
    Vaccine, 2005-04-22;23(22):2825-40.
    Species: Canine
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development

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