Monoclonal Antibody to CD20 / MS4A1 (B-Cell Marker)(L26 + IGEL/773)
Formalin-fixed, paraffin-embedded human Tonsil stained with CD20 Monoclonal Antibody (L26 + IGEL/773)
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| Format : | Purified |
| Amount : | 100 µg |
| Isotype : | Mouse IgG2a, kappa + Mouse IgG2a, kappa |
| Purification : | Affinity Chromatography |
| Content : | 100 µg in 500 µl PBS containing 0.05% BSA and 0.05% sodium azide. Sodium azide is highly toxic. |
| Storage condition : | Store the antibody at 4°C; stable for 6 months. For long-term storage; store at -20°C. Avoid repeated freeze and thaw cycles. |
Recognizes a protein of 30-33kDa, which is identified as CD20. Its epitope is located in the cytoplasmic domain of CD20 and was, therefore, ascribed as CD20cy in the 5th Workshop. CD20 is a non-Ig differentiation antigen of B-cells and its expression is restricted to normal and neoplastic B-cells, being absent from all other leukocytes and tissues. CD20 is expressed by pre B-cells and persists during all stages of B-cell maturation but is lost upon terminal differentiation into plasma cells. This MAb can be used for immunophenotyping of leukemia and malignant cells, B lymphocyte detection in peripheral blood and B cell localization in tissues. It reacts with the majority of B-cells present in peripheral blood and lymphoid tissues and their derived lymphomas. In lymphoid tissue, germinal center blasts and B-immunoblasts are particularly reactive. It is a reliable antibody for ascribing a B-cell phenotype in known lymphoid tissues. Rarely, CD20-positive T-cell lymphomas have been reported. Reactivity has also been noted with Reed-Sternberg cells in cases of Hodgkin's disease, particularly of lymphocyte predominant type.
Flow Cytometry (5-10ul/million cells); ,Immunofluorescence (1:50-1:100); ,Immunohistochemistry (Formalin-fixed) (1:100-1:200 for 30 minutes at RT) ,(Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes);
For Research Use Only. Not for use in diagnostic/therapeutics procedures.
| Subcellular location: | Cell membrane, Cell membrane |
| Post transnational modification: | Phosphorylated. Might be functionally regulated by protein kinase(s). |
| Tissue Specificity: | Expressed on B-cells. |
| BioGrid: | 107369. 15 interactions. |
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