調製と保管
推奨アッセイ手順
Put all BD® AbSeq Reagents to be pooled into a Latch Rack for 500 µL Tubes (Thermo Fisher Scientific Cat. No. 4900). Arrange the tubes so that they can be easily uncapped and re-capped with an 8-Channel Screw Cap Tube Capper (Thermo Fisher Scientific Cat. No. 4105MAT) and the reagents aliquoted with a multi-channel pipette.
BD® AbSeq tubes should be centrifuged for ≥ 30 seconds at 400 × g to ensure removal of any content in the cap/tube threads prior to the first opening.
製品通知
- This reagent has been pre-diluted for use at the recommended volume per test. Typical use is 2 µl for 1 × 10^6 cells in a 200-µl staining reaction.
- Source of all serum proteins is from USDA inspected abattoirs located in the United States.
- 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.
- 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.
- Illumina is a trademark of Illumina, Inc.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- Please refer to bd.com/genomics-resources for technical protocols.
- For U.S. patents that may apply, see bd.com/patents.
コンパニオン製品
The EBVCS-5 antibody specifically binds to human CD23, the low affinity receptor for human IgE (Fc epsilon RII or FcεRII), which is also known as C-type lectin domain family 4 member J (CLEC4J). CD23 is expressed as a ~45 kDa type II membrane glycoprotein that is present at low density on most normal B lymphocytes and at higher levels on activated B lymphocytes, Epstein-Barr virus (EBV)-transformed lymphoblasts, chronic lymphocytic leukemia (CLL) cells of B-lymphocyte origin, and tonsillar B lymphocytes. CD23 expression is induced on B cells by interleukin-4 (IL-4) and is lost after isotype switching to IgA, IgG, or IgE. The CD23 antigen is not present on immature bone marrow B lymphocytes or on T lymphocytes. CD23 may also be differentially expressed on monocytes, macrophages, eosinophils, platelets, dendritic cells, and Langerhans cells. CD23 can mediate IgE-dependent cytotoxicity and phagocytosis by macrophages and eosinophils. Soluble CD23 (sCD23) can be released by CD23-positive cells as a result of proteolytic cleavage of membrane CD23. Larger fragments of sCD23 (eg, 25-37 kDa) retain their IgE-binding capacity whereas smaller fragments (ie, ≤ 12 kDa) do not. Soluble CD23 may have immunoregulatory effects on the growth and differentiation of B cells and other cell types.
開発者向け参考資料 (11)
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Bieber T, Rieger A, Neuchrist C, et al. Induction of Fc epsilon R2/CD23 on human epidermal Langerhans cells by human recombinant interleukin 4 and gamma interferon.. J Exp Med. 1989; 170(1):309-14. (Biology). 参考文献を見る
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Capron M, Jouault T, Prin L, et al. Functional study of a monoclonal antibody to IgE Fc receptor (Fc epsilon R2) of eosinophils, platelets, and macrophages.. J Exp Med. 1986; 164(1):72-89. (Biology). 参考文献を見る
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Choe J, Kim HS, Armitage RJ, Choi YS. The functional role of B cell antigen receptor stimulation and IL-4 in the generation of human memory B cells from germinal center B cells.. J Immunol. 1997; 159(8):3757-66. (Clone-specific: Flow cytometry). 参考文献を見る
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Dugas B, Paul-Eugene N, Cairns J, et al. Leukotriene B4 potentiates the expression and release of Fc epsilon RII/CD23, and proliferation and differentiation of human B lymphocytes induced by IL-4.. J Immunol. 1990; 145(10):3406-11. (Clone-specific: ELISA). 参考文献を見る
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Kikutani H, Inui S, Sato R, et al. Molecular structure of human lymphocyte receptor for immunoglobulin E.. Cell. 1986; 47(5):657-65. (Biology). 参考文献を見る
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Kikutani H, Suemura M, Owaki H, et al. Fc epsilon receptor, a specific differentiation marker transiently expressed on mature B cells before isotype switching.. J Exp Med. 1986; 164(5):1455-69. (Biology). 参考文献を見る
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Nadler LM. B Cell/Leukemia Panel Workshop: summary and comments. In: Reinherz EL, Haynes BF, Nadler LM, Bernstein ID, ed. Leukocyte Typing II: Human B Lymphocytes. New York: Springer-Verlag; 1986:3-43.
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Rieber EP, Rank G, Kohler I, Krauss S. Membrane expression of Fc epsilon RII/CD23 and release of soluble CD23 by follicular dendritic cells. Adv Exp Med Biol. 1993; 329:393-398. (Biology). 参考文献を見る
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Sarfati M, Ishihara H, Delespesse G. CD23 Workshop Panel report. In: Schlossman SF. Stuart F. Schlossman .. et al., ed. Leucocyte typing V : white cell differentiation antigens : proceedings of the fifth international workshop and conference held in Boston, USA, 3-7 November, 1993. Oxford: Oxford University Press; 1995:530-533.
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Sugden B, Metzenberg S. Characterization of an antigen whose cell surface expression is induced by infection with Epstein-Barr virus.. J Virol. 1983; 46(3):800-7. (Immunogen: Immunoprecipitation, Radioimmunoassay). 参考文献を見る
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Yukawa K, Kikutani H, Owaki H, et al. A B cell-specific differentiation antigen, CD23, is a receptor for IgE (Fc epsilon R) on lymphocytes.. J Immunol. 1987; 138(8):2576-80. (Biology). 参考文献を見る
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