CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-75897

Novus Biologicals, part of Bio-Techne
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NBP2-75897
NBP2-75897SS
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Key Product Details

Species Reactivity

Human, Cynomolgus Monkey, Rhesus Macaque

Applications

Flow Cytometry

Label

Unconjugated

Antibody Source

Monoclonal Human IgG1 kappa Clone # 10F381 (rituximab)

Format

Azide and BSA Free

Concentration

1 mg/ml

View all CD20 Antibodies »

Product Specifications

Immunogen

Human lymphoblastoid cell line SB.

Specificity

CD20 (Human B-lymphocyte-restricted differentiation antigen, Bp35), is a hydrophobic transmembrane protein with a molecular weight of approximately 35 kDa located on pre-B and mature B lymphocytes, and most B-cell non-Hodgkin's lymphomas, but is not found on stem cells, pro-B cells, normal plasma cells or other normal tissues .

Clonality

Monoclonal

Host

Human

Isotype

IgG1 kappa

Scientific Data Images for CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) [NBP2-75897] - Cynomolgus monkey lymphocytes were stained with an isotype control (panel A) or the rabbit-chimeric version of Rituximab (panel B). After washing, bound antibody was detected using a AF488 conjugated donkey anti-rabbit antibody and cells analysed on a FACSCanto flow-cytometer.
Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) [NBP2-75897] - Human lymphocytes were stained with an isotype control (panel A) or the rabbit-chimeric version of Rituximab (panel B). After washing, bound antibody was detected using a AF488 conjugated donkey anti-rabbit antibody and cells analysed on a FACSCanto flow-cytometer.
Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free [NBP2-75897]

Flow Cytometry: CD20 Antibody (10F381 (rituximab)) [NBP2-75897] - Rhesus monkey lymphocytes were stained with an isotype control (panel A) or the rabbit-chimeric version of Rituximab (panel B). After washing, bound antibody was detected using a AF488 conjugated donkey anti-rabbit antibody and cells analysed on a FACSCanto flow-cytometer.

Applications for CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free

Application
Recommended Usage

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
NOT FOR THERAPEUTIC USE - This is a research-grade biosimilar.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS

Format

Azide and BSA Free

Preservative

0.02% Proclin 300

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C for up to 3 months. For longer storage, aliquot and store at -20C.

Background: CD20

CD20 is a non-glycosylated phosphoprotein that is expressed on the surface of normal and malignant B cells and functions in mediating calcium transport and B cell differentiation (1,2). CD20 is encoded by the membrane-spanning 4-domain family A member 1 (MS4A1) gene and, in humans, is located on chromosome 11q12 (1). The CD20 protein is 297 amino acids (aa) in length with a theoretical molecular weight (MW) of 33 kDa (1,2). Structurally, the CD20 protein has four membrane-spanning domains, two extracellular loop domains, and intracellular N- and C-terminal domains (1,2). CD20 is expressed at specific stages of B cell maturation including pre-B cells, mature naive and activated B cells, and memory B cells, but is absent from plasmablasts and plasma cells (1,3,4). Expression of CD20 is often increased on malignant B cells associated with various B cell disorders such as chronic lymphocytic leukemia (CLL), multiple sclerosis (MS), and rheumatoid arthritis (2-4). Anti-CD20 monoclonal antibody (mAb)-based therapies have become an appealing target for treating these immune-related disorders and cancers (1-5). Rituximab, a chimeric mAb, was the first FDA approved CD20 monoclonal antibody for the treatment of non-Hodgkin's lymphoma that is now commonly used to treat MS (2,3). Since its initial approval in 1997, several other chimeric and humanized anti-CD20 mAbs have been developed including Ofatumumab, Ublituximab, and Obinutuzumab (1-5). B cell depletion via CD20 mAbs can occur under different mechanisms such as antibody-dependent cellular cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), complement-dependent cytotoxicity (CDC), and direct induction of apoptosis (1-4). Many ongoing studies are focused on combination therapies with CD20 mAbs as an addition to chemotherapy, B cell receptor (BCR) signaling inhibitors, or BH3 mimetics (1,2,4). Additionally, the effects of bispecific antibodies and CD20 chimeric antigen receptor (CAR) T cell therapies are under investigation for the treatment of B cell malignancies (4,5).

References

1. Pavlasova G, Mraz M. The regulation and function of CD20: an "enigma" of B-cell biology and targeted therapy. Haematologica. 2020; 105(6):1494-1506. https://doi.org/10.3324/haematol.2019.243543

2. Payandeh Z, Bahrami AA, Hoseinpoor R, et al. The applications of anti-CD20 antibodies to treat various B cells disorders. Biomed Pharmacother. 2019; 109:2415-2426. https://doi.org/10.1016/j.biopha.2018.11.121

3. Margoni M, Preziosa P, Filippi M, Rocca MA. Anti-CD20 therapies for multiple sclerosis: current status and future perspectives. J Neurol. 2022; 269(3):1316-1334. https://doi.org/10.1007/s00415-021-10744-x

4. Klein C, Jamois C, Nielsen T. Anti-CD20 treatment for B-cell malignancies: current status and future directions. Expert Opin Biol Ther. 2021; 21(2):161-181. https://doi.org/10.1080/14712598.2020.1822318

5. Sharman JP. Targeting CD20: teaching an old dog new tricks. Hematology Am Soc Hematol Educ Program. 2019; 2019(1):273-278. https://doi.org/10.1182/hematology.2019000031

Long Name

Cluster of Differentiation 20

Alternate Names

B1, Bp35, CD20, LEU-16, Ly-44, MS4A1, S7, biosimilar antibody, biosimilars

Gene Symbol

MS4A1

Additional CD20 Products

Product Documents for CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free

Product Datasheets

Certificate of Analysis

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Product Specific Notices for CD20 Antibody (10F381 (rituximab)) - Azide and BSA Free

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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