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      Purified Mouse Anti-Rat Mast Cells
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      This SKU will be discontinuing Apr 2024. For additional support, contact your local applications specialist. Contact Us #
      Purified Mouse Anti-Rat Mast Cells
      Staining of mAb AR32AA4 on RBL (ATCC CRL-2256) cells. RBL cells were incubated with either Purified Mouse IgG1, κ isotype control (Cat. no. 557273, open dash line overlay) or purified AR32AA4 mAb (shaded histogram), followed by biotinylated F(ab')2 rat antimouse IgG and finally Streptavidin-FITC (Cat. no. 554060). The cells in both the shaded histogram and the overlay were gated on 7-AAD negative cells. Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.
      Purified Mouse Anti-Rat Mast Cells
      Staining of mAb AR32AA4 on RBL (ATCC CRL-2256) cells. RBL cells were incubated with either Purified Mouse IgG1, κ isotype control (Cat. no. 557273, open dash line overlay) or purified AR32AA4 mAb (shaded histogram), followed by biotinylated F(ab')2 rat antimouse IgG and finally Streptavidin-FITC (Cat. no. 554060). The cells in both the shaded histogram and the overlay were gated on 7-AAD negative cells. Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.
      Product Details
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      BD Pharmingen™
      Rat (QC Testing)
      Mouse BALB/c IgG1, κ
      Rat basophilic leukemia cell line
      Flow cytometry (Routinely Tested), Cell separation, Immunohistochemistry, Immunoprecipitation, Inhibition (Reported)
      0.5 mg/ml
      AB_394244
      Aqueous buffered solution containing ≤0.09% sodium azide.
      RUO


      Preparation And Storage

      Store undiluted at 4°C. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
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      Recommended Assay Procedures

      It is recommended that for immunofluorescent staining of rat cells, the AA4 antibody be carefully titrated and used with F(ab')2 secondary reagents, such as a biotinlayted F(ab')2 rat anti-mouse IgG (multiple adsorption).

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      Product Notices

      1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
      2. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
      3. Sodium azide is a reversible inhibitor of oxidative metabolism; therefore, antibody preparations containing this preservative agent must not be used in cell cultures nor injected into animals. Sodium azide may be removed by washing stained cells or plate-bound antibody or dialyzing soluble antibody in sodium azide-free buffer. Since endotoxin may also affect the results of functional studies, we recommend the NA/LE (No Azide/Low Endotoxin) antibody format, if available, for in vitro and in vivo use.
      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. An isotype control should be used at the same concentration as the antibody of interest.
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      551770 Rev. 5
      Antibody Details
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      AR32AA4

      The AR32AA4 (AA4) antibody reacts with two distinct α-galactosyl derivatives of the ganglioside GD1b (disialogangliosides). The mAb AA4 reacts with four indistinct bands ranging in size from 56 - 110 kDa.  Binding of the AA4 antibody to RBL-2H3 cells has been shown to inhibit IgE-mediated histamine release by inhibiting FcεR1 signal transduction events.  The mAb AA4 has been shown to be useful for immunomagnetic mast cell separation from rat bone marrow and peritoneal lavage cell populations. This corresponds with reports that the AA4-binding epitope is expressed at higher levels than the FcεR1 on RBL-2H3 cells.

      551770 Rev. 5
      Format Details
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      Purified
      Tissue culture supernatant is purified by either protein A/G or affinity purification methods. Both methods yield antibody in solution that is free of most other soluble proteins, lipids, etc. This format provides pure antibody that is suitable for a number of downstream applications including: secondary labeling for flow cytometry or microscopy, ELISA, Western blot, etc.
      Purified
      551770 Rev.5
      Citations & References
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      Development References (6)

      1. Basciano LK, Berenstein EH, Kmak L, Siraganian RP. Monoclonal antibodies that inhibit IgE binding. J Biol Chem. 1986; 261(25):11823-11831. (Immunogen: Immunoprecipitation, Inhibition). View Reference
      2. Faraco CD, Vugman I, Siraganian RP, Jamur MC, Oliver C. Immunocytochemical identification of immature rat peritoneal mast cells using a monoclonal antibody specific for rat mast cells.. Acta Histochem. 1997; 99(1):23-7. (Clone-specific: Immunocytochemistry (cytospins)). View Reference
      3. Guo NH, Her GR, Reinhold VN, Brennan MJ, Siraganian RP, Ginsburg V. Monoclonal antibody AA4, which inhibits binding of IgE to high affinity receptors on rat basophilic leukemia cells, binds to novel alpha-galactosyl derivatives of ganglioside GD1b. J Biol Chem. 1989; 264(22):13267-13272. (Biology). View Reference
      4. Jamur MC, Grodzki AC, Moreno AN, Swaim WD, Siraganian RP, Oliver C. Immunomagnetic isolation of rat bone marrow-derived and peritoneal mast cells. J Histochem Cytochem. 1997; 45(12):1715-1722. (Clone-specific: Cell separation). View Reference
      5. Jamur MC, Grodzki AC, Moreno AN, de Mello Lde F, Pastor MV. Identification and isolation of rat bone marrow-derived mast cells using the mast cell-specific monoclonal antibody AA4. J Histochem Cytochem. 2001; 49(2):219-228. (Clone-specific: Cell separation). View Reference
      6. Stephan V, Seibt A, Dukanovic D, Skasa M . Anti-ganglioside monoclonal antibody AA4 selectively inhibits IgE-induced signal transduction pathways in rat basophilic leukemia cells. Mol Immunol. 1997; 34(3):227-235. (Clone-specific: Inhibition). View Reference
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      551770 Rev. 5

      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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