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Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
Recommended Assay Procedures
ELISA Detection: The biotinylated MP4-25D2 antibody (Cat. No. 554483) is useful as a detection antibody for a sandwich ELISA for measuring human IL-4 protein levels. Biotinylated MP4-25D2 antibody can be paired with the purified 8D4-8 antibody (Cat. No. 554515) as the capture antibody, with recombinant human IL-4 (Cat. No. 554605) as the standard. Biotinylated MP4-25D2 antibody should be titrated (0.5 -2.0 µg/ml) to determine optimal concentration for ELISA detection. To obtain linear standard curves, doubling dilutions of human IL-4 ranging from ~2,000 to 15 pg/ml are recommended for inclusion in each ELISA plate. For specific methodology, please visit our web site, www.bdbiosciences.com, and go to the protocols section or the chapter on ELISA in the Immune Function Handbook.
Note: This ELISA pair is recommended primarily for measuring cytokine from experimental cell culture systems. These ELISA reagents are not recommended for assay of serum or plasma samples. For measuring human IL-4 in serum or plasma our human IL-4 BD OptEIA™ set (Cat. No. 555194) or BD OptEIA kit (Cat. No. 550614) are specially formulated and recommended.
IF/Flow: Directly conjugated MP4-25D2 antibody is useful for immunofluorescent staining and flow cytometric analysis to identify and enumerate IL-4 producing cells within mixed cell populations.
Neutralization: The NA/LE™ MP4-25D2 antibody (Cat. No. 554481) is useful for neutralization of human IL-4 bioactivity. A suitable NA/LE™ rat IgG1 isotype control to match the MP4-25D2 antibody is the R3-34 antibody, Cat. No. 554682.
Product Notices
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Companion Products
The MP4-25D2 monoclonal antibody specifically binds to Interleukin-4 (IL-4). IL-4 is also known as Lymphocyte stimulatory factor 1, B cell stimulatory factor 1 (BSF-1), or B cell growth factor 1 (BCGF-1). IL-4 is produced by activated T cells, basophils, and mast cells. IL-4 is a multifunctional cytokine and growth factor that affects a variety of different target cell types. IL-4 can costimulate T cell proliferation and survival, as well as help drive Th2-like cell differentiation and effector functions. It costimulates B cell proliferation and survival, and can help B cells differentiate into IgG4- or IgE-producing cells. IL-4 can also diminish the proinflammatory functions of monocytes and macrophages. IL-4 exerts its biological effects by binding with high affinity to cell surface CD124 (IL-4Rα chain). CD124 forms signaling IL-4 receptor complexes with either CD132/common γ chain or CD213a1/IL-13Rα1 to form either Type I or Type II IL-4 Receptor complexes, respectively. The immunogen used to generate the MP4-25D2 hybridoma was purified recombinant human IL-4. This is a neutralizing antibody. The MP4-25D2 antibody has been reported to crossreact with IL-4 from rhesus monkeys. The use of the MP4-25D2 antibody for epitope mapping of human IL-4 has been described.
This antibody is routinely tested by ELISA detection. Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature.
Development References (4)
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Abrams JS, Roncarolo MG, Yssel H, Andersson U, Gleich GJ, Silver JE. Strategies of anti-cytokine monoclonal antibody development: immunoassay of IL-10 and IL-5 in clinical samples. Immunol Rev. 1992; 127:5-24. (Clone-specific: ELISA, Neutralization). View Reference
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Chretien I, Van Kimmenade A, Pearce MK, Banchereau J, Abrams JS. Development of polyclonal and monoclonal antibodies for immunoassay and neutralization of human interleukin-4. J Immunol Methods. 1989; 117(1):67-71. (Clone-specific: ELISA, Neutralization). View Reference
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Jung T, Schauer U, Rieger C, et al. Interleukin-4 and interleukin-5 are rarely co-expressed by human T cells. Eur J Immunol. 1995; 25(8):2413-2416. (Clone-specific: Flow cytometry). View Reference
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Ramanathan L, Ingram R, Sullivan L, et al. Immunochemical mapping of domains in human interleukin 4 recognized by neutralizing monoclonal antibodies. Biochemistry. 1993; 32(14):3549-3556. (Clone-specific: Neutralization). View Reference
Please refer to Support Documents for Quality Certificates
Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described
Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims. Comparisons are not made against non-BD technologies, unless otherwise noted.
For Research Use Only. Not for use in diagnostic or therapeutic procedures.