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HEK293/Human CD20 Stable Cell Line

  1. Genetically modified cell lines best reflect MOA (Mechanism of Action)
  2. Higher activity and larger assay window for robust and reproducible cell-based bioassay
  3. Comprehensive application data to support assay development and validation
  4. Full tracible record, stringent quality control and validated cell passage stability
  5. Parental cell line legally obtained from internationally recognized cell resource bank and commercially licensed
  6. Global commercial license assistance whenever regulatory filing is required
  • Description
    HEK293/Human CD20 Stable Cell Line
  • Application

    Binding assay by FACS and cell based ELISA.

  • Growth Properties
    Adherent
  • Selection Marker
    Puromycin (5 μg/mL)
  • Culture Medium
    DMEM medium + 10% FBS
  • Freeze Medium
    10% DMSO + 90% FBS
  • Quantity
    1 vial contains at least 5x10^6 cells in 1 ml of 10% DMSO in FBS.
  • Storage
    Frozen in liquid nitrogen.
  • Mycoplasma Testing
    Negative
  • Sterility Testing
    Negative
  • Instructions for Use
    See data sheet for detailed culturing and assay protocol.
Receptor Assay
 CD20 FACS

FACS assay shows that Monoclonal Anti-Human CD20 Full Length Antibody, Human IgG1 can bind to HEK293/Human CD20 Stable Cell Line. HEK293/Human CD20 Stable Cell Line was red line, Negative control HEK293 cells was grey line (QC tested).

Please contact us if you are interested in related cell pool service.

  • Background
    B-lymphocyte antigen CD20 is also known as B-lymphocyte surface antigen B1, Leukocyte surface antigen Leu-16, Membrane-spanning 4-domains subfamily A member 1 and MS4A1, is an activated-glycosylated phosphoprotein expressed on the surface of all B-cells beginning at the pro-B phase (CD45R+, CD117+) and progressively increasing in concentration until maturity. CD20 is expressed on all stages of B cell development except the first and last; it is present from late pro-B cells through memory cells, but not on either early pro-B cells or plasma blasts and plasma cells. It is found on B-cell lymphomas, hairy cell leukemia, B-cell chronic lymphocytic leukemia, and melanoma cancer stem cells. The protein has no known natural ligand and its function is to enable optimal B-cell immune response, specifically against T-independent antigens. It is suspected that it acts as a calcium channel in the cell membrane. CD20 / MS4A1 is the target of the monoclonal antibodies (mAb) rituximab, Ibritumomab tiuxetan, and tositumomab, which are all active agents in the treatment of all B cell lymphomas and leukemias. Defects in CD20 / MS4A1 are the cause of immunodeficiency common variable type 5 (CVID5); also called antibody deficiency due to CD20 defect. CVID5 is a primary immunodeficiency characterized by antibody deficiency, hypogammaglobulinemia, recurrent bacterial infections and an inability to mount an antibody response to antigen.
  • Limited Use&License Disclosure
    1. This cell line is provided for research use only. It is neither intended for any animal or human therapeutic use nor for any direct human in vivo use. You are restricted to share, modify, transfer, distribute, sell, sublicense, or otherwise make the cell line available for use to other researchers, laboratories, research institutions, hospitals, universities, or service organizations.
    2. ACROBIOSYSTEMS MAKES NO WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THE SUITABILITY OF THE CELL LINE FOR ANY PARTICULAR USE.
    3. ACROBIOSYSTEMS ACCEPTS NO LIABILITY IN CONNECTION WITH THE HANDLING OR USE OF THE CELL LINE.
    4. Modifications of the cell line, transfer to a third party, or commercial use of the cell line may require a separate license and additional fees. Please contact order@acrobiosystems.com for further details.
  • Clinical and Translational Updates

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