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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
- 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.
- 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.
- Please observe the following precautions: Absorption of visible light can significantly alter the energy transfer occurring in any tandem fluorochrome conjugate; therefore, we recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to prevent exposure of conjugated reagents, including cells stained with those reagents, to room illumination.
- 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.
- 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.
- Cy is a trademark of Global Life Sciences Solutions Germany GmbH or an affiliate doing business as Cytiva.
- 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 L60 monoclonal antibody specifically binds to CD43 which is also known as Leukosialin (LSN) or Galactoglycoprotein (GALGP). CD43 is a ~95-135 kDa heavily O-sialylated type I transmembrane glycoprotein that is encoded by SPN (sialophorin) and belongs to the cell surface mucin family. The L60 antibody recognizes a sialic acid-dependent determinant on CD43. CD43 is highly expressed on T lymphocytes, thymocytes, monocytes, granulocytes, bone marrow stem cells, pre-B cells and activated B cells plasma cells but not on resting peripheral blood B cells, red blood cells, and non-hematopoietic cells. CD43 is enzymatically shed from leucocyte surfaces following activation by various stimuli. CD43 appears to be involved in mediating intercellular interactions that regulate leucocyte functions.
Development References (15)
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Ardman B, Sikorski MA, Staunton DE. CD43 interferes with T-lymphocyte adhesion. Proc Natl Acad Sci U S A. 1992 June; 89(11):5001-5005. (Clone-specific: Flow cytometry, Functional assay, Immunoprecipitation, Radioimmunoassay). View Reference
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Bazil V, Strominger JL. CD43, the major sialoglycoprotein of human leukocytes, is proteolytically cleaved from the surface of stimulated lymphocytes and granulocytes. Proc Natl Acad Sci U S A. 1993 May; 90(9):3792-3796. (Biology). View Reference
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Campanero MR, Pulido R, Alonso JL, et al. Down-regulation by tumor necrosis factor-alpha of neutrophil cell surface expression of the sialophorin CD43 and the hyaluronate receptor CD44 through a proteolytic mechanism. Eur J Immunol. 1991 December; 21(12):3045-3048. (Biology). View Reference
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Cyster JG, Williams AF. The importance of cross-linking in the homotypic aggregation of lymphocytes induced by anti-leukosialin (CD43) antibodies. Eur J Immunol. 1992 October; 22(10):2565-2572. (Biology). View Reference
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Kuijpers TW, Hoogerwerf M, Kuijpers KC, Schwartz BR, Harlan JM. Cross-linking of sialophorin (CD43) induces neutrophil aggregation in a CD18-dependent and a CD18-independent way. J Immunol. 1992 August; 149(3):998-1003. (Biology). View Reference
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Ngan BY, Picker LJ, Medeiros LJ, Warnke RA. Immunophenotypic diagnosis of non-Hodgkin's lymphoma in paraffin sections. Co-expression of L60 (Leu-22) and L26 antigens correlates with malignant histologic findings.. Am J Clin Pathol. 1989; 91(5):579-83. (Clone-specific: Immunohistochemistry). View Reference
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Park JK, Rosenstein YJ, Remold-O'Donnell E, Bierer BE, Rosen FS, Burakoff SJ. Enhancement of T-cell activation by the CD43 molecule whose expression is defective in Wiskott-Aldrich syndrome. Nature. 1991 April; 350(6320):706-709. (Biology). View Reference
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Rieu P, Porteu F, Bessou G, Lesavre P, Halbwachs-Mecarelli L. Human neutrophils release their major membrane sialoprotein, leukosialin (CD43), during cell activation. Eur J Immunol. 1992 November; 22(11):3021-3026. (Biology). View Reference
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Rosenstein Y, Park JK, Hahn WC, Rosen FS, Bierer BE, Burakoff SJ. CD43, a molecule defective in Wiskott-Aldrich syndrome, binds ICAM-1.. Nature. 1991; 354(6350):233-5. (Biology). View Reference
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Segal GH, Stoler MH, Tubbs RR. The "CD43 only" phenotype. An aberrant, nonspecific immunophenotype requiring comprehensive analysis for lineage resolution. Am J Clin Pathol. 1992 June; 97(6):861-865. (Biology). View Reference
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Stefanova I, Hilgert I, and Horejsi V. Studies of the CD43 panel antibodies. In: Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:608.
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Stoll M, Dalchau R, Schmidt RE. Cluster report: CD43. In: Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:604-608.
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Stross WP, Flavell DJ, Flavell SU, et al. Epitope specificity and staining properties of CD43 (sialophorin) antibodies. In: Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:615.
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Stross WP, Warnke RA, Flavell DJ, et al. Molecule detected in formalin fixed tissue by antibodies MT1, DF-T1, and L60 (Leu-22) corresponds to CD43 antigen.. J Clin Pathol. 1989; 42(9):953-61. (Clone-specific: Western blot). View Reference
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Wieczorek R, Buck D, Bindl J, Knowles DM. Monoclonal antibody Leu-22 (L60) permits the demonstration of some neoplastic T cells in routinely fixed and paraffin-embedded tissue sections.. Hum Pathol. 1988; 19(12):1434-43. (Immunogen: Immunohistochemistry). View Reference
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.