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Multiparameter flow cytometric analysis of HLA-DR expression on Human peripheral blood leucocyte populations. Human whole blood was stained with either Alexa Fluor™ 488 Mouse IgG2a, κ Isotype Control (Cat. No. 565358; Left Plot) or Alexa Fluor™ 488 Mouse Anti-Human HLA-DR antibody (Cat. No. 568567/568568; Right Plot). Erythrocytes were lysed with BD FACS Lysing™ Solution (Cat. No. 349202). The bivariate pseudocolor density plot showing the correlated expression of HLA-DR (or Ig Isotype control staining) versus side-light scatter (SSC-A) signals was derived from gated events with the side and forward light-scatter characteristics of intact leucocyte populations. Flow cytometry and data analysis were performed using a BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software.
BD Pharmingen™ Alexa Fluor™ 488 Mouse Anti-Human HLA-DR
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
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Alexa Fluor® 488 fluorochrome emission is collected at the same instrument settings as for fluorescein isothiocyanate (FITC).
- 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).
- 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.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- This product is provided under an intellectual property license between Life Technologies Corporation and BD Businesses. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The buyer cannot sell or otherwise transfer (a) this product (b) its components or (c) materials made using this product or its components to a third party or otherwise use this product or its components or materials made using this product or its components for Commercial Purposes. Commercial Purposes means any activity by a party for consideration and may include, but is not limited to: (1) use of the product or its components in manufacturing; (2) use of the product or its components to provide a service, information, or data; (3) use of the product or its components for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the product or its components, whether or not such product or its components are resold for use in research. For information on purchasing a license to this product for any other use, contact Life Technologies Corporation, Cell Analysis Business Unit Business Development, 29851 Willow Creek Road, Eugene, OR 97402, USA, Tel: (541) 465-8300. Fax: (541) 335-0504.
- Source of all serum proteins is from USDA inspected abattoirs located in the United States.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- Alexa Fluor™ is a trademark of Life Technologies Corporation.
Companion Products
The L243 monoclonal antibody specifically binds to HLA-DR, a major histocompatibility complex (MHC) class II antigen. HLA-DR antigens are encoded by genes within the Human Leukocyte Antigen (HLA) Complex located on chromosome 6. HLA-DR is a transmembrane heterodimeric glycoprotein composed of an α chain (36 kDa) and a β subunit (27 kDa) expressed primarily on antigen presenting cells including B cells, dendritic cells, monocytes, macrophages, Langerhans cells, and thymic epithelial cells. HLA-DR is also expressed on activated T cells. This molecule plays a major role in mediating cellular interactions during antigen presentation to CD4-positive T cells.
Development References (9)
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Autissier P, Soulas C, Burdo TH, Williams KC. Evaluation of a 12-color flow cytometry panel to study lymphocyte, monocyte, and dendritic cell subsets in humans.. Cytometry A. 2010; 77(5):410-9. (Clone-specific: Flow cytometry). View Reference
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Brodsky FM. A matrix approach to human class II histocompatibility antigens: reactions of four monoclonal antibodies with the products of nine haplotypes.. Immunogenetics. 1984; 19(3):179-94. (Clone-specific: Blocking, Immunoprecipitation, Radioimmunoassay). View Reference
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Charles N, Hardwick D, Daugas E, Illei GG, Rivera J. Basophils and the T helper 2 environment can promote the development of lupus nephritis.. Nat Med. 2010; 16(6):701-7. (Clone-specific: Flow cytometry). View Reference
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Engleman EG, Warnke R, Fox RI, Dilley J, Benike CJ, Levy R. Studies of a human T lymphocyte antigen recognized by a monoclonal antibody.. Proc Natl Acad Sci USA. 1981; 78(3):1791-5. (Clone-specific: Immunohistochemistry). View Reference
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Fujita H, Nograles KE, Kikuchi T, Gonzalez J, Carucci JA, Krueger JG. Human Langerhans cells induce distinct IL-22-producing CD4+ T cells lacking IL-17 production.. Proc Natl Acad Sci U S A. 2009; 106(51):21795-800. (Clone-specific: Flow cytometry). View Reference
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Lampson LA, Levy R. Two populations of Ia-like molecules on a human B cell line.. J Immunol. 1980; 125(1):293-9. (Immunogen: Blocking, Immunoprecipitation, Radioimmunoassay). View Reference
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Stumptner-Cuvelette P, Morchoisne S, Dugast M, et al. HIV-1 Nef impairs MHC class II antigen presentation and surface expression.. Proc Natl Acad Sci U S A. 2001; 98(21):12144-9. (Clone-specific: Flow cytometry). View Reference
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Tomkinson BE, Wagner DK, Nelson DL, Sullivan JL. Activated lymphocytes during acute Epstein-Barr virus infection.. J Immunol. 1987; 139(11):3802-7. (Clone-specific: Flow cytometry). View Reference
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Wang RF, Wang X, Atwood AC, Topalian SL, Rosenberg SA. Cloning genes encoding MHC class II-restricted antigens: mutated CDC27 as a tumor antigen.. Science. 1999; 284(5418):1351-4. (Clone-specific: Blocking). 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.