CD20 Antibody (AISB12) - BSA Free

Images

 
Western Blot: MS4A1/CD20 Antibody (AISB12) [NBP1-43435] - Immunoblot of Balb/c thymus (lane 1) and A20 (lane 2) cell lysates with Anti-Mouse CD20 Purified.
Flow Cytometry: MS4A1/CD20 Antibody (AISB12) [NBP1-43435] - Staining of BALB/c splenocytes with Anti-Mouse CD19 Alexa Fluor (R) 647 and 1.0 micrograms conjugated anti-Mouse CD20 Purified followed by Anti-Rat IgG PE. ...read more

Product Details

Summary
Reactivity Hu, MuSpecies Glossary
Applications WB, Flow
Clone
AISB12
Clonality
Monoclonal
Host
Rat
Conjugate
Unconjugated
Format
BSA Free
Concentration
0.5 mg/ml

Order Details

CD20 Antibody (AISB12) - BSA Free Summary

Immunogen
The immunogen for this antibody was CD20.
Isotype
IgG2a
Clonality
Monoclonal
Host
Rat
Gene
MS4A1
Purity
Protein A or G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 1:10-1:1000
  • Western Blot 1:100-1:2000
Application Notes
This AISB12 antibody has been tested by immunoblot on A20 cell lysates and flow cytometry on mouse splenocytes.
Publications
Read Publications using NBP1-43435.

Packaging, Storage & Formulations

Storage
Store at 4C. Do not freeze.
Buffer
PBS (pH 7.2)
Preservative
0.09% Sodium Azide
Concentration
0.5 mg/ml
Purity
Protein A or G purified

Alternate Names for CD20 Antibody (AISB12) - BSA Free

  • B1
  • B-lymphocyte antigen CD20
  • B-lymphocyte cell-surface antigen B1
  • B-lymphocyte surface antigen B1
  • Bp35
  • Bp35MGC3969
  • CD20 antigen
  • CD20 receptor
  • CD20
  • CD20S7
  • CVID5
  • LEU-16
  • Leukocyte surface antigen Leu-16
  • Ly-44
  • Membrane-spanning 4-domains subfamily A member 1
  • membrane-spanning 4-domains, subfamily A, member 1
  • MS4A1
  • MS4A2
  • S7

Background

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

Limitations

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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Product General Protocols

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Video Protocols

WB Video Protocol

FAQs for CD20 Antibody (NBP1-43435). (Showing 1 - 1 of 1 FAQs).

  1. Does this clone of anti-mouse CD20 mAb deplete mouse CD20+ B cells in vivo? If so, do you have references for it?
    • We have only tested NBP1-43435 in Western blot and Flow cytometry applications, and have not evaluated whether it can deplete mouse CD20+ cells in vivo.

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Bioinformatics

Gene Symbol MS4A1