Human IL-4 Biotinylated Antibody

(7 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human IL-4 in ELISAs and Western blots.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human IL‑4 (R&D Systems, Catalog # 204-IL)
    His25-Ser153
    Accession # NP_000580
  • 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 Human IL‑4 (Catalog # 204-IL)
  • Immunocytochemistry
    5-15 µg/mL
    See below
    • Human IL-4 Sandwich Immunoassay
      Reagent
  • ELISA Capture (Matched Antibody Pair)
    2-8 µg/mL 
    Human IL‑4 Antibody (Catalog # MAB604)
  • ELISA Detection (Matched Antibody Pair)
    0.1-0.4 µg/mL 
    Human IL‑4 Biotinylated Antibody (Catalog # BAF204)
  • ELISA Standard
     
    Recombinant Human IL-4 Protein (Catalog # 204-IL)
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 Examples
Immunocytochemistry
IL‑4 in Human PBMCs. IL‑4 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) stimulated with PHA using Goat Anti-Human IL‑4 Biotinylated Antigen Affinity-purified Polyclonal Antibody (Catalog # BAF204) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Streptavidin (red; Catalog # NL999) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
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). Human IL-4 is synthesized with a 24 aa signal sequence. Alternate splicing generates an isoform with a 16 aa internal deletion. Mature human IL-4 shares 55%, 39%, and 43% aa sequence identity with bovine, mouse, and rat 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 IgG4 and IgE in human 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. Yokota, T. et al. (1986) Proc. Natl. Acad. Sci. 83:5894.
    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.

7 Citations: Showing 1 - 7
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Species
Applications
Sample Type
  1. Upregulation of human cytomegalovirus by HIV type 1 in human lymphoid tissue ex vivo.
    Authors: Biancotto A, Iglehart SJ, Lisco A, Vanpouille C, Grivel JC, Lurain NS, Reichelderfer PS, Margolis LB
    AIDS Res. Hum. Retroviruses, 2008;24(3):453-62.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: Luminex Development
  2. HIV-1 pathogenesis differs in rectosigmoid and tonsillar tissues infected ex vivo with CCR5- and CXCR4-tropic HIV-1.
    Authors: Grivel JC, Elliott J, Lisco A, Biancotto A, Condack C, Shattock RJ, McGowan I, Margolis L, Anton P
    AIDS, 2007;21(10):1263-72.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: Luminex Development
  3. Abnormal activation and cytokine spectra in lymph nodes of people chronically infected with HIV-1.
    Authors: Biancotto A, Grivel JC, Iglehart SJ, Vanpouille C, Lisco A, Sieg SF, Debernardo R, Garate K, Rodriguez B, Margolis LB, Lederman MM
    Blood, 2007;109(10):4272-9.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: Luminex Development
  4. Toll-like receptors 3 and 4 are expressed by human bone marrow-derived mesenchymal stem cells and can inhibit their T-cell modulatory activity by impairing Notch signaling.
    Authors: Liotta F, Angeli R, Cosmi L, Fili L, Manuelli C, Frosali F, Mazzinghi B, Maggi L, Pasini A, Lisi V, Santarlasci V, Consoloni L, Angelotti ML, Romagnani P, Parronchi P, Krampera M, Maggi E, Romagnani S, Annunziato F
    Stem Cells, 2007;26(1):279-89.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: ELISA Development
  5. Increased expression of Th2-associated chemokines in bullous pemphigoid disease. Role of eosinophils in the production and release of these chemokines.
    Authors: Gounni Abdelilah S, Wellemans V, Agouli M, Guenounou M, Hamid Q, Beck LA, Lamkhioued B
    Clin. Immunol., 2006;120(2):220-31.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: ELISA Development
  6. Th2 cytokine response in Major Depressive Disorder patients before treatment.
    Authors: Pavon L, Kiryushko D, Novitskaya V, Sandoval-Lopez G, Eugenia Hernandez M, Soroka V, Klingelhofer J, Loria F, Estrada I, Lukanidin E, Berezin V, Perez M, Moreno J, Bock E, Avila U, Leff P, Anton B, Heinze G
    J. Neuroimmunol., 2006;172(1):156-65.
    Species: Human
    Sample Type: Serum
    Application: ELISA Development
  7. Direct comparison of traditional ELISAs and membrane protein arrays for detection and quantification of human cytokines.
    Authors: Copeland S, Siddiqui J, Remick D
    J. Immunol. Methods, 2004;284(1):99-106.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: Array Development
Isotype Controls
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Normal Goat IgG Biotinylated Control

Ctrl BAF108 19
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Staining Reagents
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Flow F0040 7
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Streptavidin-Alkaline Phosphatase

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NorthernLights Streptavidin NL557

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NorthernLights Streptavidin NL493

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Streptavidin-Allophycocyanin

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Avidin-Fluorescein

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MagCellect Streptavidin Ferrofluid

MAG999B 4
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MagCellect Streptavidin Ferrofluid

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Supplemental ELISA Products
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Streptavidin-HRP

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EvenCoat Streptavidin Coated Plates

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EvenCoat Streptavidin Coated Plates, 5 Pack

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