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      PE-CF594 Rat Anti-Mouse CD21/CD35
      PE-CF594 Rat Anti-Mouse CD21/CD35
      Two-color flow cytometric analysis of CD21/CD35 expression on BALB/c mouse splenocytes. BALB/c splenic leucocytes were preincubated with Purified Rat Anti-Mouse CD16/CD32 antibody (Mouse BD Fc Block™) (Cat. No. 553141/553142). The cells were then  stained with APC Rat Anti-Mouse CD45R/B220 antibody (Cat. No. 553092/561880) and either BD Horizon™ PE-CF594 Rat IgG2b, κ Isotype Control (Cat. No. 562308, Left Panel) or BD Horizon PE-CF594 Rat Anti-Mouse CD21/CD35 antibody (Cat. No. 563959, Right Panel). Two-color flow cytometric dot plots showing the correlated expression of CD21/CD35 (or Ig Isotype control staining) versus CD45R/B220 were derived from gated events with the forward and side light-scatter characteristics of viable splenocytes. Flow cytometric analysis was performed using a BD LSRFortessa™ Cell Analyzer System.
      PE-CF594 Rat Anti-Mouse CD21/CD35
      Two-color flow cytometric analysis of CD21/CD35 expression on BALB/c mouse splenocytes. BALB/c splenic leucocytes were preincubated with Purified Rat Anti-Mouse CD16/CD32 antibody (Mouse BD Fc Block™) (Cat. No. 553141/553142). The cells were then  stained with APC Rat Anti-Mouse CD45R/B220 antibody (Cat. No. 553092/561880) and either BD Horizon™ PE-CF594 Rat IgG2b, κ Isotype Control (Cat. No. 562308, Left Panel) or BD Horizon PE-CF594 Rat Anti-Mouse CD21/CD35 antibody (Cat. No. 563959, Right Panel). Two-color flow cytometric dot plots showing the correlated expression of CD21/CD35 (or Ig Isotype control staining) versus CD45R/B220 were derived from gated events with the forward and side light-scatter characteristics of viable splenocytes. Flow cytometric analysis was performed using a BD LSRFortessa™ Cell Analyzer System.
      Product Details
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      BD Horizon™
      CR2/CR1
      Mouse (QC Testing)
      Rat SD, also known as Sprague-Dawley (outbred) IgG2b, κ
      Purified Mouse CR1
      Flow cytometry (Routinely Tested)
      NA
      12902
      AB_2738511
      Aqueous buffered solution containing BSA and ≤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 with BD Horizon™ PE-CF594 under optimum conditions, and unconjugated antibody and free PE-CF594 were removed.
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      Product Notices

      1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
      2. An isotype control should be used at the same concentration as the antibody of interest.
      3. 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.
      4. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
      5. Please observe the following precautions: Absorption of visible light can significantly alter the energy transfer occurring in any tandem fluorochrome conjugate; therefore, we recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to prevent exposure of conjugated reagents, including cells stained with those reagents, to room illumination.
      6. Because of the broad absorption spectrum of the tandem fluorochrome, extra care must be taken when using multi-laser cytometers, which may directly excite both PE and CF™594.
      7. When excited by the yellow-green (561-nm) laser, the fluorescence may be brighter than when excited by the blue (488-nm) laser.
      8. This product is provided under an Agreement between BIOTIUM and BD Biosciences. The manufacture, use, sale, offer for sale, or import of this product is subject to one or more patents or pending applications owned or licensed by Biotium, Inc. This product, and only in the amount purchased by buyer, may be used solely for buyer’s own internal research, in a manner consistent with the accompanying product literature. No other right to use, sell or otherwise transfer (a) this product, or (b) its components is hereby granted expressly, by implication or by estoppel. This product is for research use only. Diagnostic uses require a separate license from Biotium, Inc. For information on purchasing a license to this product including for purposes other than research, contact Biotium, Inc., 3159 Corporate Place, Hayward, CA 94545, Tel: (510) 265-1027. Fax: (510) 265-1352. Email: btinfo@biotium.com.
      9. Texas Red is a registered trademark of Molecular Probes, Inc., Eugene, OR.
      10. CF™ is a trademark of Biotium, Inc.
      11. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
      12. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
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      563959 Rev. 1
      Antibody Details
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      7G6

      The 7G6 antibody recognizes an epitope shared by 145-150-kDa and 190-kDa complement receptor proteins, originally designated CR2 (CD21) and CR1 (CD35), respectively.  In the mouse, CD21 and CD35 are expressed on the majority of peripheral B lymphocytes, on the majority of resident peritoneal macrophages and mast cells, on peripheral blood granulocytes after treatment with N-formyl-Met-Leu-Phe, and on follicular dendritic cells, but not on thymocytes, T cells, erythrocytes, or platelets.  CD21 is a ligand-binding component of the CD19/CD21/CD81 signal-transduction complex associated with the antigen receptor on B lymphocytes.  CD21/CD35 also co-localizes with CD19 on the surface of peritoneal mast cells.   Cr2null mice display impaired inflammatory and humoral immune responses in vivo.  The 7G6 mAb has been reported to inhibit rosette formation by C3d-bearing sheep erythrocytes, to block the complement dependent trapping of immune complexes by follicular dendritic cells, and to down-regulate mouse CD21/CD35 expression upon in vivo application, thus inhibiting primary antibody responses to immunization.  Co-stimulation of B-cell differentiation via Sepharose-coupled 7G6 antibody has also been observed.  The 7G6 mAb recognizes an epitope on CD35 distinct from the epitope recognized by anti-mouse CD35, clone 8C12, and it does not block binding of 8C12 mAb to mouse CD35.

      This antibody is conjugated to BD Horizon™ PE-CF594, which has been developed exclusively by BD Biosciences as a better alternative to PE-Texas Red®. PE-CF594 excites and emits at similar wavelengths to PE-Texas Red® yet exhibits improved brightness and spectral characteristics. Due to PE having maximal absorption peaks at 496 nm and 564 nm, PE-CF594 can be excited by the blue (488-nm), green (532-nm) and yellow-green (561-nm) lasers and can be detected with the same filter set as PE-Texas Red® (eg 610/20-nm filter).

      563959 Rev. 1
      Format Details
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      PE-CF594
      BD Horizon™ PE-CF594 dye is a part of the BD PE family of dyes. This tandem fluorochrome is comprised of a R-Phycoerythrin (PE) donor that has excitation maxima (Ex Max) of 496-nm and 566-nm and an acceptor dye with an emission maximum (Em Max) at 615-nm. PE-CF594, driven by BD innovation, is designed to be excited by the blue (488-nm), Green (532-nm) and yellow-green (561-nm) lasers and detected using an optical filter centered near 615 nm (e.g., a 610/20-nm bandpass filter). The donor dye can be excited by the Blue (488-nm), Green (532-nm) and yellow-green (561-nm) lasers and the acceptor dye can be excited by the green (532-nm) laser resulting in cross-laser excitation and fluorescence spillover. Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
      altImg
      PE-CF594
      Yellow-Green 488 nm, 532 nm, 561 nm
      496 nm, 566 nm
      615 nm
      563959 Rev.1
      Citations & References
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      Development References (15)

      1. Axcrona K, Gray D, Leanderson T. Regulation of B cell growth and differentiation via CD21 and CD40. Eur J Immunol. 1996; 26(9):2203-2207. (Clone-specific: (Co)-stimulation, Flow cytometry). View Reference
      2. Cariappa A, Tang M, Parng C, et al. The follicular versus marginal zone B lymphocyte cell fate decision is regulated by Aiolos, Btk, and CD21. Immunity. 2001; 14(5):603-615. (Clone-specific: Flow cytometry). View Reference
      3. Fagarasan S, Muramatsu M, Suzuki K, Nagaoka H, Hiai H, Honjo T. Critical roles of activation-induced cytidine deaminase in the homeostasis of gut flora. Science. 2002; 298(5597):1424-1427. (Clone-specific: Fluorescence microscopy, Immunofluorescence). View Reference
      4. Fischer MB, Goerg S, Shen L, et al. Dependence of germinal center B cells on expression of CD21/CD35 for survival. Science. 1998; 280(5363):582-585. (Biology). View Reference
      5. Gommerman JL, Oh DY, Zhou X, et al. A role for CD21/CD35 and CD19 in responses to acute septic peritonitis: a potential mechanism for mast cell activation. J Immunol. 2000; 165(12):6915-6921. (Clone-specific: Flow cytometry, Fluorescence microscopy, Immunofluorescence). View Reference
      6. Heyman B, Wiersma EJ, Kinoshita T. In vivo inhibition of the antibody response by a complement receptor-specific monoclonal antibody. J Exp Med. 1990; 172(2):665-668. (Clone-specific: Inhibition, In vivo exacerbation). View Reference
      7. Hu H, Martin BK, Weis JJ, Weis JH. Expression of the murine CD21 gene is regulated by promoter and intronic sequences. J Immunol. 1997; 158(10):4758-4768. (Biology). View Reference
      8. Kinoshita T, Takeda J, Hong K, Kozono H, Sakai H, Inoue K. Monoclonal antibodies to mouse complement receptor type 1 (CR1). Their use in a distribution study showing that mouse erythrocytes and platelets are CR1-negative. J Immunol. 1988; 140(9):3066-3072. (Immunogen: Immunoprecipitation, Radioimmunoassay). View Reference
      9. Kinoshita T, Thyphronitis G, Tsokos GC, et al. Characterization of murine complement receptor type 2 and its immunological cross-reactivity with type 1 receptor. Int Immunol. 1990; 2(7):651-659. (Clone-specific). View Reference
      10. Molina H, Holers VM, Li B, et al. Markedly impaired humoral immune response in mice deficient in complement receptors 1 and 2. Proc Natl Acad Sci U S A. 1996; 93(8):3357-3361. (Clone-specific: Flow cytometry). View Reference
      11. Oliver AM, Martin F, Gartland GL, Carter RH, Kearney JF. Marginal zone B cells exhibit unique activation, proliferative and immunoglobulin secretory responses. Eur J Immunol. 1997; 27(9):2366-2374. (Clone-specific: Flow cytometry). View Reference
      12. Oliver AM, Martin F, Kearney JF. IgMhighCD21high lymphocytes enriched in the splenic marginal zone generate effector cells more rapidly than the bulk of follicular B cells. J Immunol. 1999; 162(12):7198-7207. (Clone-specific: Flow cytometry). View Reference
      13. Thyphronitis G, Kinoshita T, Inoue K, et al. Modulation of mouse complement receptors 1 and 2 suppresses antibody responses in vivo. J Immunol. 1991; 147(1):224-230. (Clone-specific: Inhibition, In vivo exacerbation). View Reference
      14. Wiersma EJ, Kinoshita T, Heyman B. Inhibition of immunological memory and T-independent humoral responses by monoclonal antibodies specific for murine complement receptors. Eur J Immunol. 1991; 21(10):2501-2506. (Clone-specific: Inhibition, In vivo exacerbation). View Reference
      15. Yoshida K, van den Berg TK, Dijkstra CD. Two functionally different follicular dendritic cells in secondary lymphoid follicles of mouse spleen, as revealed by CR1/2 and FcR gamma II-mediated immune-complex trapping. Immunology. 1993; 80(1):34-39. (Clone-specific: Inhibition). View Reference
      View All (15) View Less
      563959 Rev. 1

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      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.

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