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Purified NA/LE Rat Anti-Human IL-4
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BD Pharmingen™
Human (QC Testing)
Rat IgG1
Purified Recombinant Human IL-4
Intracellular staining (flow cytometry) (Routinely Tested), Neutralization (Tested During Development), ELISA (Reported)
1.0 mg/ml
No azide/low endotoxin: Aqueous buffered solution containing no preservative, 0.2µm sterile filtered. Endotoxin level is ≤0.01 EU/µg (≤0.001 ng/µg) of protein as determined by the LAL assay.

Preparation and Storage

Store undiluted at 4°C. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. This preparation contains no preservatives, thus it should be handled under aseptic conditions.


ELISA:  Biotin Rat Anti-Human IL-4 antibody (Clone MP4-25D2, Cat. No. 554483) has been reported to be useful as a detection antibody for sandwich ELISA measuring human IL-4 protein levels. Biotinylated MP4-25D2 antibody can be paired with the Purified Mouse Anti-Human IL-4 antibody (Clone 8D4-8, Cat. No. 554515/556917) as the capture antibody, with recombinant human IL-4 (Cat. No. 554605) as the standard.  For measuring human IL-4 in complex biological fluids, such as serum or plasma, investigators are highly encouraged to use the BD OptEIA™ Human IL-4 ELISA Set (Cat. No. 555194) or BD OptEIA™ Human IL-4 ELISA Kit II (Cat. No. 550614).

Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. Please refer to for technical protocols.
554481 Rev. 2
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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.

554481 Rev. 2
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NA/LE refers to the culture and purification methods and buffer used to produce purified antibodies with no azide and low endotoxin: Aqueous buffered solution containing no preservative, 0.2µm sterile filtered. Endotoxin level is ≤0.01 EU/µg (≤0.001 ng/µg) of protein as determined by the LAL assay.NA/LE are perfectly suited to be used in culture or in vivo (for nonhuman studies) for functional assays — blocking, neutralizing, activation or depletion — where the presence of azide may damage cells or exogenous endotoxin may signal or activate cells.
554481 Rev.2
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Development References (4)

  1. 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). View Reference
  2. Kitamura T, Tange T, Terasawa T, et al. Establishment and characterization of a unique human cell line that proliferates dependently on GM-CSF, IL-3, or erythropoietin. J Cell Physiol. 1989; 140(2):323-334. (Biology). View Reference
  3. Prussin C, Metcalfe DD. Detection of intracytoplasmic cytokine using flow cytometry and directly conjugated anti-cytokine antibodies. J Immunol Methods. 1995; 188(1):117-128. (Methodology: Flow cytometry). View Reference
  4. 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). View Reference
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554481 Rev. 2

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.