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BD OptiBuild™ RY586 Mouse Anti-Human HLA-DP
Clone B7/21 (also known as B7/21.49; B7/21 (IgG1))
(RUO)Multiparameter flow cytometric analysis using BD OptiBuild™ RY586 Mouse Anti-Human HLA-DP antibody (Cat. No. 753843) on Human peripheral blood. Flow cytometry was performed using a BD LSRFortessa™ X-20 Flow Cytometer System.
BD OptiBuild™ RY586 Mouse Anti-Human HLA-DP
Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
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
- Researchers should determine the optimal concentration of this reagent for their individual applications.
- 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.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- An isotype control should be used at the same concentration as the antibody of interest.
- 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.
- CF™ is a trademark of Biotium, Inc.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Human donor specific background has been observed in relation to the presence of anti-polyethylene glycol (PEG) antibodies, developed as a result of certain vaccines containing PEG, including some COVID-19 vaccines. We recommend use of BD Horizon Brilliant™ Stain Buffer in your experiments to help mitigate potential background. For more information visit https://www.bdbiosciences.com/en-us/support/product-notices.
Companion Products
The B7/21 monoclonal antibody specifically recognizes HLA-DP antigens which are human Major Histocompatibility Complex (MHC) Class II antigens. HLA-DP antigens are heterodimers comprised of two different type I transmembrane glycoproteins that are noncovalently-associated. The ~34 kDa HLA-DP alpha (HLA-DPα) and ~26-28 kDa HLA-DP beta (HLA-DPβ) chains are encoded by HLA-DPA1 and HLA-DPB1 genes, respectively, that are located within the Human Leukocyte Antigen (HLA) Complex of chromosome 6. The B7/21 antibody recognizes a monomorphic determinant present on cells expressing HLA-DP1, -DP2, -DP3, -DP4, and -DP5 and does not reportedly bind to HLA-DR or HLA-DQ Class II antigens. HLA-DP is variably expressed on B cells, monocytes, macrophages, dendritic cells (DC), activated T cells, and tumor cell lines including B cell lines, myelomas, and some myeloid leukemias. HLA-DP functions in the presentation of peptides derived from extracellular antigens to CD4+ T cells.
The original B7/21 hybridoma was derived from hybridization of mouse 5194/SXXOBU1 myeloma cells with spleen cells from BALB/c mice immunized with NALM6 human leukemia cells and secreted IgG3, κ antibody. An immunoglobulin switch-variant B7/21 hybridoma, also known as B7/21.49 or B7/21 (IgG1), was subsequently isolated that secreted lgG1 antibody with the same specificity as the original IgG3 antibody. The purified switch-variant B7/21 IgG1 antibody blocks the staining of HLA-DP-positive cells by fluorescent B7/21 IgG3 antibody. The B7/21 IgG1 antibody is reportedly not cytotoxic in the presence of complement.
Development References (5)
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Anczurowski M, Hirano N. Mechanisms of HLA-DP Antigen Processing and Presentation Revisited. Trends Immunol. 2018; 39(12):960-964. (Biology). View Reference
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Lennon-Duménil AM, Barbouche MR, Vedrenne J, et al. Uncoordinated HLA-D gene expression in a RFXANK-defective patient with MHC class II deficiency.. J Immunol. 2001; 166(9):5681-7. (Clone-specific: Flow cytometry). View Reference
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Robbins PA, Evans EL, Ding AH, Warner NL, Brodsky FM. Monoclonal antibodies that distinguish between class II antigens (HLA-DP, DQ, and DR) in 14 haplotypes.. Hum Immunol. 1987; 18(4):301-13. (Clone-specific: Blocking, ELISA, Flow cytometry, Immunoprecipitation, Radioimmunoassay). View Reference
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Royston I, Omary MB, Trowbridge IS. Monoclonal antibodies to a human T-cell antigen and Ia-like antigen in the characterization of lymphoid leukemia. Transplant Proc. 1981; 13(1 Pt 2):761-766. (Immunogen: Fluorescence microscopy, Immunofluorescence, Immunoprecipitation, Radioimmunoassay). View Reference
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Strobl H, Bello-Fernandez C, Riedl E, et al. flt3 ligand in cooperation with transforming growth factor-beta1 potentiates in vitro development of Langerhans-type dendritic cells and allows single-cell dendritic cell cluster formation under serum-free conditions.. Blood. 1997; 90(4):1425-34. (Clone-specific: Flow cytometry). View Reference
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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.