Home / IL-4 / Human IL-4 Fluorescein-conjugated Antibody

Human IL-4 Fluorescein-conjugated Antibody

Catalog #: IC204F
3 Citations Datasheet / COA / SDS

Discontinued Product

IC204F has been discontinued.
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Detection of IL‑4 in NS0 Mouse Cell Line Transfected with Human IL-4 by Flow Cytometry.
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Citations (3)
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Human IL-4 Fluorescein-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-4 in direct ELISAs and Western blots. In Western blots, this antibody does not cross-react with recombinant mouse IL‑4.
Source
Monoclonal Mouse IgG1 Clone # 3007
Purification
Protein A or G purified from ascites
Immunogen
E. coli-derived recombinant human IL‑4
His25-Ser153
Accession # P05112.1
Formulation
Supplied in a saline solution containing BSA and Sodium Azide.
Label
Fluorescein (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Recommended Concentration
Sample
Intracellular Staining by Flow Cytometry
10 µL/106 cells
See below

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

Intracellular Staining by Flow Cytometry Detection of IL‑4 antibody in NS0 Mouse Cell Line Transfected with Human IL-4 antibody by Flow Cytometry. View Larger

Detection of IL‑4 in NS0 Mouse Cell Line Transfected with Human IL-4 by Flow Cytometry. NS0 mouse myeloma cell line transfected with human IL-4 was stained with Mouse Anti-Human IL-4 Fluorescein-conjugated Monoclonal Antibody (Catalog # IC204F, filled histogram) or isotype control antibody (Catalog # IC002F, open histogram). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

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 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 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. USA 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; IL4E12; interleukin 4; interleukin-4; Lymphocyte stimulatory factor 1; MGC79402; pitrakinra

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Citations for Human IL-4 Fluorescein-conjugated 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. B Lymphocytes in Multiple Sclerosis: Bregs and BTLA/CD272 Expressing-CD19+ Lymphocytes Modulate Disease Severity
    Sci Rep, 2016-07-14;6(0):29699.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Functional T-cell responses generated by dendritic cells expressing the early HIV-1 proteins Tat, Rev and Nef.
    Authors: Allard SD, Pletinckx K, Breckpot K, Heirman C, Bonehill A, Michiels A, van Baalen CA, Gruters RA, Osterhaus AD, Lacor P, Thielemans K, Aerts JL
    Vaccine, 2008-05-20;26(29):3735-41.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  3. Alpha1beta1 integrin is crucial for accumulation of epidermal T cells and the development of psoriasis.
    Authors: Conrad C, Boyman O, Tonel G, Tun-Kyi A, Laggner U, de Fougerolles A, Kotelianski V, Gardner H, Nestle FO
    Nat. Med., 2007-07-01;13(7):836-42.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry

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