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      PE Mouse Anti-Rat IFN-γ
      PE Mouse Anti-Rat IFN-γ
      Expression of IFN-γ by stimulated LOU rat spleen cells. Splenocytes from a LOU rat were stimulated for 3 days with Concanavalin A (5 µg/ml final concentration; Sigma, Cat. #C-5275). The splenocytes were then restimulated for 4 hours with PMA (5 ng/ml final concentration, Sigma, Cat. # P-8139) and ionomycin (500 ng/ml final concentration, Sigma, Cat. #I-0634) in the presence of GolgiPlug™ (1 µl/ml, Cat. No. 555029). The splenocytes were  harvested, fixed, permeabilized, and subsequently stained with 20 µl of PE-conjugated mouse anti-rat IFN-γ antibody (Cat. No. 559499) by using the BD Pharmingen staining protocol (Center Panel). To demonstrate specificity of staining, the binding by the PE-DB-1 antibody was blocked by pre-incubation of the fixed/permeabilized cells with unlabeled DB-1 antibody (10 µg; Right panel) prior to staining. The quadrant markers for the bivariate dot plots were set based on the staining profile using PE-MOPC-21 isotype control antibody (Cat. No. 559320, see Left panel) and verified using the unlabeled antibody blocking specificity control.
      PE Mouse Anti-Rat IFN-γ
      Expression of IFN-γ by stimulated LOU rat spleen cells. Splenocytes from a LOU rat were stimulated for 3 days with Concanavalin A (5 µg/ml final concentration; Sigma, Cat. #C-5275). The splenocytes were then restimulated for 4 hours with PMA (5 ng/ml final concentration, Sigma, Cat. # P-8139) and ionomycin (500 ng/ml final concentration, Sigma, Cat. #I-0634) in the presence of GolgiPlug™ (1 µl/ml, Cat. No. 555029). The splenocytes were  harvested, fixed, permeabilized, and subsequently stained with 20 µl of PE-conjugated mouse anti-rat IFN-γ antibody (Cat. No. 559499) by using the BD Pharmingen staining protocol (Center Panel). To demonstrate specificity of staining, the binding by the PE-DB-1 antibody was blocked by pre-incubation of the fixed/permeabilized cells with unlabeled DB-1 antibody (10 µg; Right panel) prior to staining. The quadrant markers for the bivariate dot plots were set based on the staining profile using PE-MOPC-21 isotype control antibody (Cat. No. 559320, see Left panel) and verified using the unlabeled antibody blocking specificity control.
      Product Details
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      BD Pharmingen™
      Rat (QC Testing)
      Mouse IgG1, κ
      Recombinant Rat IFN-γ
      Intracellular block/flow cytometry (Routinely Tested)
      20 µl
      25712
      AB_397254
      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 R-PE under optimum conditions, and unconjugated antibody and free PE were removed.
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      Recommended Assay Procedures

      Immunofluorescent Staining and Flow Cytometric Analysis: The DB-1 antibody is useful for immunofluorescent staining and flow cytometric analysis to identify and enumerate IFN-γ producing cells within mixed cell populations. This 100 Test Size formulation of the PE-conjugated DB-1 antibody has been pre-titrated to assure effective intracellular detection of rat IFN-γ using 20 µl/ million cells. The intracellular staining technique and the use of blocking controls have been described in detail by C. Prussin and D. Metcalfe. For specific methodology, please visit the protocols section or chapter on intracellular staining in the Immune Function Handbook, both of which are posted on our web site, www.bdbiosciences.com.  A suitable mouse IgG1, κ isotype is also available in a 100 Test Size formulation PE-MOPC-21 (Cat. No. 559320).

      Important Note: This pretitered antibody solution does not contain a cell permeabilization agent. It is necessary to include a cell permeabilization agent when using the pre-titered antibody solution to stain fixed and permeabilized cells. Perm/Wash™ Buffer (Cat. No. 554723) contains the permeabilization agent saponin and is useful for this purpose as described  below.

      1. Resuspend 1 x 10^6 fixed and permeabilized cells in 20 µl of the pre-titered antibody solution and 30 µl of 1X Perm/Wash™ Buffer (Cat. No. 554723).

      2. Incubate the cell suspension for 15 minutes (at room temperature or 4°C).

      3. Wash twice in 100 µl of 1X Perm/Wash™ Buffer (Cat. No. 554723).

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      Product Notices

      1. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
      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. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
      6. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
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      559499 Rev. 3
      Antibody Details
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      DB-1

      The DB-1 monoclonal antibody specifically binds to rat interferon-γ (IFN-γ).  The immunogen used to generate the DB-1 hybridoma was recombinant rat IFN-γ expressed in COS cells.  This is a neutralizing antibody.  

      559499 Rev. 3
      Format Details
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      PE
      R-Phycoerythrin (PE), is part of the BD family of Phycobiliprotein dyes. This fluorochrome is a multimeric fluorescent phycobiliprotein with excitation maximum (Ex Max) of 496 nm and 566 nm and an emission maximum (Em Max) at 576 nm. PE 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 575 nm (e.g., a 575/26-nm bandpass filter). As PE is excited by multiple lasers, this can result in cross-laser excitation and fluorescence spillover on instruments with various combinations of Blue, Green, and Yellow-Green lasers. Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
      altImg
      PE
      Yellow-Green 488 nm, 532 nm, 561 nm
      496 nm, 566 nm
      576 nm
      559499 Rev.3
      Citations & References
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      Development References (7)

      1. Bakhiet M, Olsson T, Mhlanga J. Human and rodent interferon-gamma as a growth factor for Trypanosoma brucei. Eur J Immunol. 1996; 26(6):1359-1364. (Biology). View Reference
      2. 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). View Reference
      3. Schmidt B, Stoll G, van der Meide P, Jung S, Hartung HP. Transient cellular expression of gamma-interferon in myelin-induced and T-cell line-mediated experimental autoimmune neuritis. 1992; 115(Pt 6):1633-1646. (Biology). View Reference
      4. van der Meide PH, Borman AH, Beljaars HG, Dubbeld MA, Botman CA, Schellekens H. Isolation and characterization of monoclonal antibodies directed to rat interferon-gamma. Leuk Res. 1989; 8(4):439-449. (Biology). View Reference
      5. van der Meide PH, Borman TH, de Labie MC, et al. A sensitive two-site enzyme immunoassay for the detection of rat interferon-gamma in biological fluids. J Interferon Res. 1990; 10(2):183-189. (Biology). View Reference
      6. van der Meide PH, Dubbeld M, Vijverberg K, Kos T, Schellekens H. The purification and characterization of rat gamma interferon by use of two monoclonal antibodies.. J Gen Virol. 1986; 67(Pt 6):1059-1071. (Biology). View Reference
      7. van der Meide PH, Groenestein RJ, de Labie MC, Aten J, Weening JJ. Susceptibility to mercuric chloride-induced glomerulonephritis is age-dependent: study of the role of IFN-gamma. Cell Immunol. 1995; 162(1):131-137. (Biology). View Reference
      View All (7) View Less
      559499 Rev. 3

      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.

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