BD Horizon™ RY586 Mouse Anti-Human TCR Vβ11
Clone C21 (RUO)
Preparation And Storage
Recommended Assay Procedures
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Product Notices
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- 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.
- This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
- 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.
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- 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 U.S. patents that may apply, see bd.com/patents.
Companion Products
The C21 monoclonal antibody specifically recognizes the variable beta 11 region of the β subunit of the human αβ T cell receptor for antigen (TCR Vβ11). TCR Vβ11 is encoded by TRBV25-1 (T cell receptor beta variable 25-1) which is also known as TCRBV11S1. TCR Vβ11 can pair with different TCR Vα region containing TCR α chains. The paired expression of semivariant TCR Vβ11 with invariant TCR Vα24 and Jα18 identifies some CD3+TCR αβ+ positive thymocytes and from ~ 0.01-0.92% of peripheral blood CD3+ TCR αβ+ T cells known as invariant NKT (iNKT) cells or Type I NKT cells. iNKT cells can be divided into three subpopulations which are either CD4+, CD8+, or CD4-CD8- double negative. Due to their innate-like responsiveness, tissue resident iNKT cells are capable of rapid effector responses to microbial or self-lipid antigens presented by the cell surface MHC class Ib molecule, CD1d. iNKT cells recognize and respond to α-galactosylceramide (α-GalCer) and various self-lipids such as sphingolipids and diacylglycerols and microbial lipids presented by CD1d. iNKT cells can produce high levels of cytokines, including IL-4 and IFN-γ, and act as cytotoxic T cells against CD1d+ target cells following stimulation. The C21 antibody is useful for multiparameter cell sorting and phenotypic analyses designed to study the nature of TCR Vβ11-positive T cells and T cell clones. When combined with other TCR V region-specific antibodies, C15 is helpful for characterizing TCR Vβ repertoires expressed by T cell populations collected from blood, tissues or other sources in health and disease models including inflammation, infectious diseases, autoimmunity, and tumors.
Development References (6)
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Cossarizza A, Chang HD, Radbruch A, et al. Guidelines for the use of flow cytometry and cell sorting in immunological studies (third edition).. Eur J Immunol. 2021; 51(12):2708-3145. (Clone-specific: Flow cytometry, Fluorescence activated cell sorting). View Reference
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Dellabona P, Padovan E, Casorati G, Brockhaus M, Lanzavecchia A. An invariant V alpha 24-J alpha Q/V beta 11 T cell receptor is expressed in all individuals by clonally expanded CD4-8- T cells.. J Exp Med. 1994; 180(3):1171-6. (Immunogen: Flow cytometry, Fluorescence activated cell sorting). View Reference
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Kojo S, Adachi Y, Keino H, Taniguchi M, Sumida T. Dysfunction of T cell receptor AV24AJ18+, BV11+ double-negative regulatory natural killer T cells in autoimmune diseases.. Arthritis Rheum. 2001; 44(5):1127-38. (Clone-specific: Flow cytometry). View Reference
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Lal KG, Leeansyah E, Sandberg JK, Eller MA. OMIP-046: Characterization of invariant T cell subset activation in humans.. Cytometry A. 2018; 93(5):499-503. (Clone-specific: Flow cytometry). View Reference
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Oishi Y, Sakamoto A, Kurasawa K, et al. CD4-CD8- T cells bearing invariant Valpha24JalphaQ TCR alpha-chain are decreased in patients with atopic diseases.. Clin Exp Immunol. 2000; 119(3):404-11. (Clone-specific: Flow cytometry). View Reference
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Thomas SY, Hou R, Boyson JE, et al. CD1d-restricted NKT cells express a chemokine receptor profile indicative of Th1-type inflammatory homing cells. J Immunol. 2003; 171(5):2571-2580. (Clone-specific: Flow cytometry). View Reference
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For Research Use Only. Not for use in diagnostic or therapeutic procedures.