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RB670 Rat Anti-Mouse CD124 (IL-4 Receptor)
RB670 Rat Anti-Mouse CD124 (IL-4 Receptor)
Flow cytometric analysis using BD OptiBuild™ RB670 Rat Anti-Mouse CD124 (IL-4 Receptor) antibody (Cat. No. 771806; solid line histogram) on viable C57BL/6 Mouse splenocytes, with corresponding IgG Isotype Control (Cat. No. 571953; dashed line histogram). Samples were acquired on the BD FACSymphony™ A5 SE Cell Analyzer.
Flow cytometric analysis using BD OptiBuild™ RB670 Rat Anti-Mouse CD124 (IL-4 Receptor) antibody (Cat. No. 771806; solid line histogram) on viable C57BL/6 Mouse splenocytes, with corresponding IgG Isotype Control (Cat. No. 571953; dashed line histogram). Samples were acquired on the BD FACSymphony™ A5 SE Cell Analyzer.
Product Details
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BD OptiBuild™
Il4r; IL-4Rα; Il4ra; IL-4RA; IL-4R-alpha; IL4-BP; IL-4 Receptor α chain
Mouse (Tested in Development)
Rat LEW, also known as Lewis IgG2a, κ
Mouse CTLL-19.4 T Cell Line
Flow cytometry (Qualified)
0.2 mg/ml
16190
Aqueous buffered solution containing ≤0.09% sodium azide.
RUO


Preparation And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to the dye under optimum conditions that minimize unconjugated dye and antibody.

Recommended Assay Procedures

BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation).  When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells.  However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls.  It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application.

Product Notices

  1. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
  2. Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
  3. For U.S. patents that may apply, see bd.com/patents.
  4. 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.
  5. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  6. The production process underwent stringent testing and validation to assure that it generates a high-quality conjugate with consistent performance and specific binding activity. However, verification testing has not been performed on all conjugate lots.
  7. When using high concentrations of antibody, background binding of this dye to erythroid fragments produced by ammonium chloride-based lysis, such as with BD Pharm Lyse™ Lysing Buffer (Cat. No. 555899), has been observed when the antibody conjugate was present during the lysis procedure. This may cause nonspecific staining of target cells, such as leukocytes, which have bound the resulting erythroid fragments. This background can be mitigated by any of the following: titrating the antibody conjugate to a lower concentration, fixing samples with formaldehyde, or removing erythrocytes before staining (eg, gradient centrifugation or pre-lysis with wash). This background has not been observed when cells were lysed with BD FACS™ Lysing Solution (Cat. No. 349202) after staining.
  8. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  9. An isotype control should be used at the same concentration as the antibody of interest.
  10. Please observe the following precautions: We recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to protect exposure of conjugated reagents, including cells stained with those reagents, to any room illumination. Absorption of visible light can significantly affect the emission spectra and quantum yield of tandem fluorochrome conjugates.
  11. Tandem fluorochromes contain both an energy donor and an energy acceptor. Although every effort is made to minimize the lot-to-lot variation in the efficiency of the fluorochrome energy transfer, differences in the residual emission from the donor may be observed. Additionally, multi-laser cytometers may directly excite both the donor and acceptor fluorochromes. Therefore, we recommend for every tandem conjugate, a matched individual single-stain control be acquired for generating a compensation or spectral unmixing matrix.
  12. Cy is a trademark of Global Life Sciences Solutions Germany GmbH or an affiliate doing business as Cytiva.
771806 Rev. 1
Antibody Details
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mIL4R-M1

The mIL4R-M1 monoclonal antibody specifically binds to CD124 which is also known as the α subunit of the mouse Interleukin-4 Receptor (IL-4Rα). The mouse IL-4Rα is a 140 kDa transmembrane glycoprotein that is expressed by B and T lymphocytes and a variety of other hematopoietic and nonhematopoietic cells and cell lines. The cell surface IL-4Rα chain binds IL-4 with high affinity and associates with either the common γ chain (IL-4Rα/γc; aka, type I IL-4R) or the IL-13 receptor alpha subunit (IL-4Rα/IL-13Rα; aka, type II IL-4R complex) to form two distinct types of signal-transducing IL-4R complexes. The type I IL-4 receptor complex specifically binds IL-4 whereas the type II IL-4R binds and transduces signals from either IL-4 or IL-13. The mIL4R-M1 antibody blocks IL-4 binding to cells and is reported to be a potent inhibitor of IL-4's biological activities. The mIL4R-M1 antibody also recognizes naturally-occurring, soluble truncated forms of IL-4Rα (sIL-4R) that result either from enzymatic cleavage of the cell surface extracellular IL-4Rα domain or from differential mRNAsplicing and secretion by cells. These sIL-4R retain their high-affinity ligand binding domain and appear to either enhance or inhibit IL-4-mediated functions depending on the relative local levels of IL-4 and sIL-4R.

771806 Rev. 1
Format Details
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RB670
The BD Horizon RealBlue™ 670 (RB670) Dye is part of the BD® family of blue dyes. It is a tandem fluorochrome with an excitation maximum (Ex Max) at 492 nm and an emission maximum (Em Max) at 670 nm as measured using an antibody-dye conjugate. Driven by BD® innovation, RB670 can be used on both spectral and conventional cytometers and is designed to be primarily excited by the Blue laser (488-nm). For conventional instruments equipped with only a Blue laser (488-nm), RB670 can be used as an alternative to PE-Cy5 and we recommend using an optical filter centered near 670-nm (eg, a 670/30-nm bandpass filter). For conventional and spectral instruments equipped with both a Blue (488-nm) and Yellow-Green (561-nm) laser and appropriate detectors, it can be used in conjunction with PE-Cy5.
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RB670
Blue 488 nm
492 nm
670 nm
771806 Rev.1
Citations & References
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View product citations for antibody "771806" on CiteAb

Development References (9)

  1. Beckmann MP, Schooley KA, Gallis B, et al. Monoclonal antibodies block murine IL-4 receptor function. J Immunol. 1990; 144(11):4212-4217. (Immunogen: Blocking, Immunoprecipitation, Inhibition, Neutralization, Radioimmunoassay). View Reference
  2. Chilton PM, Fernandez-Botran R. Production of soluble IL-4 receptors by murine spleen cells is regulated by T cell activation and IL-4. J Immunol. 1993; 151(1):5907-5917. (Clone-specific: ELISA). View Reference
  3. Feldman GM, Ruhl S, Bickel M, Finbloom DS, Pluznik DH. Regulation of interleukin-4 receptors on murine myeloid progenitor cells by interleukin-6. Blood. 1991; 78(7):1678-1684. (Clone-specific: Flow cytometry). View Reference
  4. Gessner A, Rollinghoff M. Biologic functions and signaling of the interleukin-4 receptor complexes. Immunobiology. 2000; 201(3-4):285-307. (Biology). View Reference
  5. Hassuneh MR, Nagarkatti PS, Nagarkatti M. Evidence for the participation of interleukin-2 (IL-2) and IL-4 in the regulation of autonomous growth and tumorigenesis of transformed cells of lymphoid origin. Blood. 1997; 89(2):610-620. (Clone-specific: Flow cytometry). View Reference
  6. Kubo M, Yamashita M, Abe R, et al. CD28 costimulation accelerates IL-4 receptor sensitivity and IL-4-mediated Th2 differentiation. J Immunol. 1999; 63(5):2432-2442. (Clone-specific: Flow cytometry). View Reference
  7. Lowenthal JW, Castle BE, Christiansen J, et al. Expression of high affinity receptors for murine interleukin 4 (BSF-1) on hemopoietic and nonhemopoietic cells. J Immunol. 1988; 140(2):456-464. (Biology). View Reference
  8. Mosley B, Beckmann MP, March CJ, et al. The murine interleukin-4 receptor: molecular cloning and characterization of secreted and membrane bound forms. Cell. 1989; 59(2):335-348. (Biology). View Reference
  9. Sempowski GD, Beckmann MP, Derdak S, Phipps RP. Subsets of murine lung fibroblasts express membrane-bound and soluble IL-4 receptors. Role of IL-4 in enhancing fibroblast proliferation and collagen synthesis. J Immunol. 1994; 152(7):3606-3614. (Clone-specific: Flow cytometry). View Reference
View All (9) View Less
771806 Rev. 1

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