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BD OptiBuild™ RB545 Biosimilar Anti-Human CD20
Clone Obinutuzumab297.rMAb (also known as Obinutuzumab N297A Biosimilar.rMAb)
(RUO)
Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
Product Notices
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- For U.S. patents that may apply, see bd.com/patents.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- The production process underwent stringent testing and validation to assure that it generates a high-quality conjugate with consistent performance and specific binding activity. However, verification testing has not been performed on all conjugate lots.
- Human donor specific background has been observed in relation to the presence of anti-polyethylene glycol (PEG) antibodies, developed as a result of certain vaccines containing PEG, including some COVID-19 vaccines. We recommend use of BD Horizon Brilliant™ Stain Buffer in your experiments to help mitigate potential background. For more information visit https://www.bdbiosciences.com/en-us/support/product-notices.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- An isotype control should be used at the same concentration as the antibody of interest.
- Please observe the following precautions: We recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to protect exposure of conjugated reagents, including cells stained with those reagents, to any room illumination. Absorption of visible light can significantly affect the emission spectra and quantum yield of tandem fluorochrome conjugates.
Companion Products
The Obinutuzumab297.rMAb (also known as, Obinutuzumab N297A Biosimilar.rMAb) is a research grade humanized recombinant human IgG1, kappa antibody that specifically recognizes the extracellular domain of human CD20 similarly to the therapeutic Obinutuzumab antibody. The Obinutuzumab297.rMAb uses the same variable region sequences as Obinutuzumab, combined with constant region sequences derived from consensus sequences of human IgG1, kappa. The asparagine at position 297 of the constant heavy chain has been replaced with alanine (N297A) to further reduce Fc receptor interactions of this reagent. Obinutuzumab triggers target cell death through multiple mechanisms including complement-dependent cytotoxicity (CDC), antibody-dependent cellular cytotoxicity (ADCC), and apoptosis. The therapeutic Obinutuzumab has been approved to treat human B cell malignancies, autoimmune disorders, and transplant rejection. CD20 is a 33-37 kDa, unglycosylated four-transmembrane phosphoprotein with a cytoplasmic N-terminus and C-terminus that is encoded by MS4A1 (Membrane-spanning 4-domains, subfamily A, member 1). CD20 is expressed on pre-B-cells, naive and activated B cells, memory B cells, and at lower levels on a small subset of T cells but is absent from plasmablasts and plasma cells. It is also expressed on most malignant B cells and CD20-positive T-cell lymphomas. CD20 functions in mediating calcium transport and B cell activation, differentiation, and survival.
The Obinutuzumab297.rMAb is intended for research use only. It is not intended for use in therapeutic or diagnostic procedures for humans or animals.
Development References (5)
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Almasri NM, Duque RE, Iturraspe J, Everett E, Braylan RC. Reduced expression of CD20 antigen as a characteristic marker for chronic lymphocytic leukemia. Am J Hematol. 1992; 40:259-263. (Biology).
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Brekke OH, Sandlie I. Therapeutic antibodies for human diseases at the dawn of the twenty-first century.. Nat Rev Drug Discov. 2003; 2(1):52-62. (Biology). View Reference
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Hultin LE, Hausner MA, Hultin PM, Giorgi JV. CD20 (pan-B cell) antigen is expressed at a low level on asubpopulation of human T lymphocytes. Cytometry. 1993; 14:196-204. (Biology).
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Tobinai K, Klein C, Oya N, Fingerle-Rowson G. A Review of Obinutuzumab (GA101), a Novel Type II Anti-CD20 Monoclonal Antibody, for the Treatment of Patients with B-Cell Malignancies.. Adv Ther. 2017; 34(2):324-356. (Biology). View Reference
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Zola H, Swart B, Nicholson I, Voss E. CD20. In: Zola H. Leukocyte and stromal cell molecules : the CD markers. Hoboken, N.J.: Wiley-Liss; 2007:72.
Please refer to Support Documents for Quality Certificates
Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described
Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims. Comparisons are not made against non-BD technologies, unless otherwise noted.
For Research Use Only. Not for use in diagnostic or therapeutic procedures.