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Flow cytometric analysis using BD OptiBuild™ RY586 Mouse Anti-Human CD134 antibody (Cat. No. 753310; solid line histogram) on human peripheral blood mononuclear cells stimulated with PHA for 3 days, with Isotype Control (Cat. No. 568097; dotted line histogram). Flow cytometry was performed using a BD LSRFortessa™ X-20 Flow Cytometer System.
BD OptiBuild™ RY586 Mouse Anti-Human CD134
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
Recommended Assay Procedures
BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation). When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application.
Product Notices
- Researchers should determine the optimal concentration of this reagent for their individual applications.
- 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.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- An isotype control should be used at the same concentration as the antibody of interest.
- 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.
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- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- 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.
Companion Products
The L106 monoclonal antibody specifically recognizes CD134 which is also known as OX40, OX40L receptor or TAX transcriptionally-activated glycoprotein 1 receptor (TXGP1L). CD134 is a ~48 kDa type I transmembrane glycoprotein that is encoded by TNFRSF4 (TNF receptor superfamily member 4) and belongs to the TNF/NGF receptor family. By sequence analysis, CD134 is related to the antigen recognized by the rat monoclonal antibody Ox 40. The CD134 antigen (Human Ox 40) is found on activated peripheral CD4+ T lymphocytes and a subset of activated CD8+ T lymphocytes. It is not expressed on CD3-activated purified CD8+ T lymphocytes. It is also present on HUT-102, an HTLV- 1-infected T-lymphocyte line. Its ligand, gp34 (CD252 or Ox 40 Ligand encoded by TNFSF4), is found on some antigen presenting cells including B cells and dendritic cells as well as Epstein Barr virus (EBV)-transformed B lymphocytes. Preliminary evidence suggests a possible role for CD134 antigen in graft rejection.
Development References (5)
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Godfrey W, Buck D, Harara M, Benike C, Engleman E. Studies of the L106 protein and its gene: Evidence that L106 and Ox 40 are homologous. 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; 1995:1157-1160.
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Godfrey WR, Fagnoni FF, Harara MA, Buck D, Engleman EG. Identification of a human OX-40 ligand, a costimulator of CD4+ T cells with homology to tumor necrosis factor. J Exp Med. 1994 August; 180(2):757-762. (Clone-specific: Flow cytometry). View Reference
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Lamb LS, Abhyankar SA, Hazlett L, et al. Expression of CD134 (0X-40) on T cells during the first 100 days following allogeneic bone marrow transplantation as a marker for lymphocyte activation and therapy-resistant graft-versus-host disease.. Cytometry. 1999; 38(5):238-43. (Biology). View Reference
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Mallett S, Fossum S, Barclay AN. Characterization of the MRC OX40 antigen of activated CD4 positive T lymphocytes--a molecule related to nerve growth factor receptor. EMBO J. 1990; 9(4):1063-1068. (Biology). View Reference
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Paterson DJ, Jefferies WA, Green JR. Antigens of activated rat T lymphocytes including a molecule of 50,000 Mr detected only on CD4 positive T blasts. Mol Immunol. 1987; 24(12):1281-1290. (Biology). View Reference
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