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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
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- 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.
The OX-19 antibody reacts with CD5, a 69 kDa cell-surface glycoprotein found on thymocytes, peripheral T lymphocytes, and some thymic dendritic cells, but not on alloantigen-activated cytotoxic T cells, NK cells, γδ TCR-bearing intestinal intraepithelial lymphocytes, or dendritic epidermal T cells. A CD5+ subset of B lymphocytes has not been characterized in the rat. In the mouse and human, CD72 is the major ligand for CD5. While the OX-19 antibody is not mitogenic, its presence augments in vitro proliferative responses of T cells to lectins and allogeneic cells.
This antibody is routinely tested by flow cytometric analysis. Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature.

Development References (8)
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Bañuls MP, Alvarez A, Ferrero I, Zapata A, Ardavin C. Cell-surface marker analysis of rat thymic dendritic cells. Immunology. 1993; 79(2):298-304. (Clone-specific). View Reference
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Bellgrau D, Talmage DW. T cells can be cytotoxic without making interleukin 2: a model of separate pathways of induction. Proc Natl Acad Sci U S A. 1986; 83(10):3412-3416. (Biology). View Reference
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Dallman MJ, Thomas ML, Green JR. MRC OX-19: a monoclonal antibody that labels rat T lymphocytes and augments in vitro proliferative responses. Eur J Immunol. 1984; 14(3):260-267. (Immunogen). View Reference
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Elbe A, Kilgus O, Hünig T, and Stingl G. T-cell receptor diversity in dendritic epidermal T cells in the rat. J Invest Dermatol. 1993; 102:74-79. (Biology). View Reference
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Kuhnlein P, Park JH, Herrmann T, Elbe A, Hunig T. Identification and characterization of rat gamma/delta T lymphocytes in peripheral lymphoid organs, small intestine, and skin with a monoclonal antibody to a constant determinant of the gamma/delta T cell receptor. J Immunol. 1994; 153(3):979-986. (Biology). View Reference
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Lawetzky A, Tiefenthaler G, Kubo R, Hunig T. Identification and characterization of rat T cell subpopulations expressing T cell receptors alpha/beta and gamma/delta. Eur J Immunol. 1990; 20(2):343-349. (Biology). View Reference
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Luo W, Van de Velde H, von Hoegen I, Parnes JR, Thielemans K. Ly-1 (CD5), a membrane glycoprotein of mouse T lymphocytes and a subset of B cells, is a natural ligand of the B cell surface protein Lyb-2 (CD72). J Immunol. 1992; 148(6):1630-1634. (Biology). View Reference
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Vermeer LA, de Boer NK, Bucci C, Bos NA, Kroese FG, Alberti S. MRC OX19 recognizes the rat CD5 surface glycoprotein, but does not provide evidence for a population of CD5bright B cells. Eur J Immunol. 1994; 24(3):585-592. (Clone-specific). View Reference
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.
Refer to manufacturer's instructions for use and related User Manuals and Technical Data Sheets before using this product 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.
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