Fluorescence profiles of normal human peripheral blood lymphocytes unstained (blue histogram) or stained with Anti-Human CD19 PerCP-Cy5.5 (purple histogram).
Contents: CD19 PerCP-Cy5.5 Catalog Number: 9045-0198 Formulation: aqueous buffer, 0.09% sodium azide, contains stabilizer if necessary Clone: SJ25C1 Concentration: 5 µl (0.25 µg)/test (a test is defined as the amount that will stain 1x106 cells in 100 µL) Host/Isotype: Mouse IgG1, k HLDA Workshop: II Storage Conditions: Store at 2-8°C. Do not freeze. Light-sensitive material.
The SJ25C1 monoclonal antibody reacts with human CD19, a 95 kDa transmembrane glycoprotein. CD19 is expressed by B cells during all stages of development excluding the terminally differentiated plasma cells. Follicular dendritic cells also express this molecule. CD19, along with CD21, CD81, Leu13, and MHC class II, form a multimolecular complex that associates with the BCR. Signaling through CD19 induces tyrosine phosphorylation, calcium flux and proliferation of B cells.
References
Procedures for the Collection of Diagnostic Blood Specimens by Venipuncture (H3-A6), 3rd Edition published by the National Committee for Clinical Laboratory Standards.
Knapp W, Dorken B, et al, eds. Leucocyte Typing IV: White Cell Differentiation Antigens. Oxford University Press. New York. 1989.
Schlossman S, Bloumsell L, et al, eds. Leucocyte Typing V: White Cell Differentiation Antigens. Oxford University Press. New York. 1995.
Moldenhauer G, Dörken B, Schwartz R, Pezzutto A, Knops J, Hammerling GJ. Analysis of ten B lymphocyte-specific workshop monoclonal antibodies. In: Reinherz EL, Haynes BF, Nadler LM, Bernstein ID, eds. Leukocyte Typing II: Human B Lymphocytes. Vol 2. New York, NY: Springer-Verlag; 1986:61-67.
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