SAB4700116
Monoclonal Anti-CD20-Biotin antibody produced in mouse
clone 2H7, purified immunoglobulin, buffered aqueous solution
Synonym(s):
Anti-MS4A1
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About This Item
UNSPSC Code:
12352203
NACRES:
NA.41
biological source
mouse
conjugate
biotin conjugate
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
2H7, monoclonal
form
buffered aqueous solution
species reactivity
nonhuman primates, human
concentration
1 mg/mL
technique(s)
flow cytometry: suitable
isotype
IgG2a
NCBI accession no.
UniProt accession no.
shipped in
wet ice
storage temp.
2-8°C
target post-translational modification
unmodified
Gene Information
human ... MS4A1(931)
General description
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 intesity of this association depends on extracellular triggering, employing CD20 conformational change and/or BCR (B cell antigen receptor) aggregation. After the receptor ligation, BCR amd 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.
Specificity
The antibody 2H7 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.
Immunogen
Human tonsillar B cells
Application
The reagent is designed for Flow Cytometry analysis. Working concentrations should be determined by the investigator.
Features and Benefits
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Physical form
Solution in phosphate buffered saline, pH 7.4, with 15 mM sodium azide.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Storage Class Code
10 - Combustible liquids
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Jessica L Teeling et al.
Journal of immunology (Baltimore, Md. : 1950), 177(1), 362-371 (2006-06-21)
We have previously defined a panel of fully human CD20 mAb. Most of these were unexpectedly efficient in their ability to recruit C1q to the surface of CD20-positive cells and mediate tumor lysis via activation of the classical pathway of
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