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Cell Preparation and Separation Reagents
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- BD® OMICS-Guard Sample Preservation Buffer
- BD Rhapsody™ ATAC-Seq Assays
- BD Rhapsody™ TCR/BCR Next Multiomic Assays
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Detection of intracellular rat IgG2b in an antibody-secreting hybidoma cell line. Cells were fixed, permeabilized, and stained according to the method described in the recommended assay procedure using FITC-conjugated RG7/11.1 mAb (filled histogram) or the matched isotype control, FITC-conjugated 27-35 mAb (open histogram, Cat. No. 555057). Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.
BD Pharmingen™ FITC Mouse Anti-Rat IgG2b
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推荐的实验流程
RG7 antibody is effective for detection of cell-surface or intracellular Ig by immunofluorescent staining with flow cytometric analysis. FITC-conjugated RG7/11.1 mAb may be used as a primary or secondary reagent in immunofluorescent staining.
IMMUNOFLUORESCENT STAINING OF INTRACELLULAR IMMUNOGLOBULIN (Ig) PROTOCOL
1. Prepare a single-cell suspension and determine cell number.
2. Suspend cells in staining buffer (PBS + 2% FBS + 0.1% Sodium Azide) at 2 × 10e7 cells/ml and transfer to U-bottom microwell plates in 50 µl/well for immunofluorescent staining.
Note: The BD Pharmingen™ Stain Buffer with FBS (Cat. No. 554656) is effective for use as a staining buffer in this protocol.
3. Block Fcγ receptors by adding 0.2 µg of purified 2.4G2 antibody (Mouse BD Fc Block™ purified anti-mouse CD16/CD32 mAb 2.4G2) (Cat. No. 553141/553142) in 50 µl of staining buffer to each well.
4. Incubate 5 minutes on ice.
5. Add 200 µl of staining buffer/well and resuspend cells. Centrifuge at 250×g for 5 minutes and aspirate supernatant.
6. Block surface Ig with purified RG7/11.1 mAb (Cat. No. 553897) by adding 1.0 µg per sample in 50 µl of staining buffer/well.
Note: Surface markers may be stained during this step as described in the "Immunofluorescent Staining of Mouse and Rat Leukocytes for Flow Cytometry" in the Technical Protocols section of our web site at http://www.bdbiosciences.com/pharmingen/protocols/Mouse_and_Rat_Leukocytes.shtml
7. Incubate 15 minutes on ice.
8. Wash 2× as described in Step 5.
9. Resuspend cells in 100 µl of BD Cytofix/Cytoperm™ intracellular staining buffer (BD Cytofix/Cytoperm™ Kit, Cat. No. 554714) per well.
10. Incubate 30 minutes at room temperature.
11. Wash 2× with 200 µl of 1× Perm/Wash buffer (provided in the BD Cytofix/Cytoperm Kit) per well. Centrifuge at 250×g for 5 minutes and aspirate supernatant between washes.
12. Stain intracellular Ig by adding ≤ 1 µg of FITC-conjugated RG7/11.1 mAb in 50 µl of 1 × Perm/Wash buffer/well.
Note: Other antibodies recommended for staining of intracellular markers may be added during this step as described in Step 12.
13. Incubate for 30 minutes at room temperature.
14. Wash 2× as described in Step 11.
15. Resuspend and transfer samples in 100 µl of staining buffer to tubes appropriate for analysis with a flow cytometer. Bring volume in each tube to 400 µl with staining buffer.
16. Analyze samples on a flow cytometer.
商品通知
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- 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.
The RG7/11.1 antibody reacts specifically with the Fc region of rat IgG2b. It does not react with other Ig isotypes.
研发参考 (1)
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Springer TA, Bhattacharya A, Cardoza JT, Sanchez-Madrid F. Monoclonal antibodies specific for rat IgG1, IgG2a, and IgG2b subclasses, and kappa chain monotypic and allotypic determinants: reagents for use with rat monoclonal antibodies. Hybridoma. 1982; 1(3):257-273. (Immunogen). 查看参考
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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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