Reacts with CD20 (Bp35), a 33-37 kDa non-glycosylated membrane receptor with four transmembrane domains, expressed on B lymphocytes (it is lost on plasma cells), follicular dendritic cells, and at low levels on peripheral blood T lymphocytes.
Flow Cytometry analysis of human blood cells using 20 μL reagent / 100 μL of whole blood or 10^6 cells in a suspension. Other applications not tested. Optimal dilutions are dependent on conditions and should be determined by the user.
Beschränkungen
Nur für Forschungszwecke einsetzbar
Buffer
Phosphate buffered saline (PBS) containing 0,05 % Sodium Azide and 0.2 % (w/v) high-grade protease free BSA as a stabilizing agent.
Konservierungsmittel
Sodium azide
Vorsichtsmaßnahmen
This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Lagerung
4 °C
Informationen zur Lagerung
Store the antibody undiluted at 2-8 °C. DO NOT FREEZE! This product is photosensitive and should be protected from light. Shelf Life: one year from despatch.
Haltbarkeit
12 months
Target
CD20 (MS4A1)
(Membrane-Spanning 4-Domains, Subfamily A, Member 1 (MS4A1))
CD20 is a cell surface 33-37 (depending on the degree of phosphorylation) kDa non-glycosylated surface phosphoprotein expressed on mature and most malignant B cells, but not stem cells or plasma cells (low number of the CD20 has been also detected on a subpopulation of T lymphocytes and it can be expressed on follicular dendritic cells). Its expression on B cells is synchronous with the expression of surface IgM. CD20 regulates transmembrane calcium conductance (probably functioning as a component of store-operated calcium channel), cell cycle progression and B-cell proliferation. It is associated with lipid rafts, but the intensity of this association depends on extracellular triggering, employing CD20 conformational change and/or BCR (B cell antigen receptor) aggregation. After the receptor ligation, BCR and CD20 colocalize and then rapidly dissociate before BCR endocytosis, whereas CD20 remains at the cell surface. CD20 serves as a useful target for antibody-mediated therapeutic depletion of B cells, as it is expressed at high levels on most B-cell malignancies, but does not become internalized or shed from the plasma membrane following mAb treatment.Synonyms: B-cell marker, B-lymphocyte antigen CD20, B-lymphocyte surface antigen B1, Bp35, Leu-16, MS4A1, Membrane-spanning 4-domains subfamily A member 1