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.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- For U.S. patents that may apply, see bd.com/patents.
- 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.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- 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.
- 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.
- When using high concentrations of antibody, background binding of this dye to erythroid fragments produced by ammonium chloride-based lysis, such as with BD Pharm Lyse™ Lysing Buffer (Cat. No. 555899), has been observed when the antibody conjugate was present during the lysis procedure. This may cause nonspecific staining of target cells, such as leukocytes, which have bound the resulting erythroid fragments. This background can be mitigated by any of the following: titrating the antibody conjugate to a lower concentration, fixing samples with formaldehyde, or removing erythrocytes before staining (eg, gradient centrifugation or pre-lysis with wash). This background has not been observed when cells were lysed with BD FACS™ Lysing Solution (Cat. No. 349202) after staining.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- An isotype control should be used at the same concentration as the antibody of interest.
- Please observe the following precautions: We recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to protect exposure of conjugated reagents, including cells stained with those reagents, to any room illumination. Absorption of visible light can significantly affect the emission spectra and quantum yield of tandem fluorochrome conjugates.
Companion Products
The 11G2 monoclonal antibody specifically binds to CD156c which is also known as Disintegrin and metalloproteinase domain-containing protein 10 (ADAM10). CD156c is a ~70 kDa type I transmembrane glycoprotein that belongs to the ADAM family. It is widely expressed on hematopoietic and non-hematopoietic cells. CD156c is expressed on the plasma membrane, as well as by membranes within intracellular compartments and exosomes. CD156c serves as a broadly-reactive endopeptidase that cleaves membrane-bound proteins in a process known as ectodomain shedding or release. It can cleave transmembrane molecules into soluble forms and thereby regulate the functions of a variety of different receptors and ligands that are involved in cellular signaling and adhesion. These include membrane TNF, CX3CL1, CXCL16, Ephrin-A2, Notch and Delta molecules, cadherins, CD23, CD44, IL-6 Receptor/CD126, CD171, and amyloid precursor protein. CD156c expression may be constitutive or induced, such as in inflamed tissues, including arthritic joints and in the nervous system. Dysregulated CD156c expression may be associated with certain cancers and Alzheimer's disease.
Development References (7)
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Arduise C, Abache T, Li L, et al. Tetraspanins regulate ADAM10-mediated cleavage of TNF-alpha and epidermal growth factor.. J Immunol. 2008; 181(10):7002-13. (Immunogen: Flow cytometry, Fluorescence microscopy, Immunoaffinity chromatography, Immunofluorescence, Immunoprecipitation, Western blot). View Reference
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Huovila AP, Turner AJ, Pelto-Huikko M, Kärkkäinen I, Ortiz RM. Shedding light on ADAM metalloproteinases.. Trends Biochem Sci. 2005; 30(7):413-22. (Biology). View Reference
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Pruessmeyer J, Ludwig A. The good, the bad and the ugly substrates for ADAM10 and ADAM17 in brain pathology, inflammation and cancer.. Semin Cell Dev Biol. 2009; 20(2):164-74. (Biology). View Reference
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Saftig P, Lichtenthaler SF. The alpha secretase ADAM10: A metalloprotease with multiple functions in the brain.. Prog Neurobiol. 2015; 135:1-20. (Biology). View Reference
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Stoeck A, Keller S, Riedle S, et al. A role for exosomes in the constitutive and stimulus-induced ectodomain cleavage of L1 and CD44.. Biochem J. 2006; 393(Pt 3):609-18. (Clone-specific: Flow cytometry, Immunoprecipitation, Western blot). View Reference
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Zola H, Swart B, Banham A, et al. CD molecules 2006--human cell differentiation molecules.. J Immunol Methods. 2007; 319(1-2):1-5. (Clone-specific: Flow cytometry). View Reference
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Zola H, Swart B, Nicholson I, Voss E. CD156c. In: Zola H. Leukocyte and stromal cell molecules : the CD markers. Hoboken, N.J.: Wiley-Liss; 2007:288.
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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.