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 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 CompBead to ensure that BD® CompBeads are appropriate for your specific cellular application.
For optimal and reproducible results, BD Horizon Brilliant™ Stain Buffer should be used anytime BD Horizon Brilliant™ dyes are used in a multicolor flow cytometry panel. Fluorescent dye interactions may cause staining artifacts which may affect data interpretation. The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. When BD Horizon Brilliant Stain Buffer is used in in the multicolor panel, it should also be used in the corresponding compensation controls for all dyes to achieve the most accurate compensation. For the most accurate compensation, compensation controls created with either cells or beads should be exposed to BD Horizon Brilliant Stain Buffer for the same length of time as the corresponding multicolor panel. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794/566349) or the BD Horizon Brilliant Stain Buffer Plus (Cat. No. 566385).
For optimal results, it is recommended to perform 2 washes after staining with antibodies. Cells may be prepared, stained with antibodies and washed twice with wash buffer per established protocols for immunofluorescence staining, prior to acquisition on a flow cytometer. Performing fewer than the recommended wash steps may lead to increased spread of the negative population.
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.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- 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.
- BD Horizon Brilliant Stain Buffer is covered by one or more of the following US patents: 8,110,673; 8,158,444; 8,575,303; 8,354,239.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- Alexa Fluor™ is a trademark of Life Technologies Corporation.
Companion Products
The 5D12 monoclonal antibody specifically recognizes CD366 which is also known as TIM-3 (T-cell immunoglobulin and mucin domain-containing 3) or T-cell membrane protein 3. TIM-3 is encoded by Havcr2 (hepatitis A virus cellular receptor 2). TIM-3 is a type I transmembrane glycoprotein that belongs to the human TIM family within the immunoglobulin superfamily, having one Ig-like V-type domain in its extracellular region. TIM-3 is expressed on activated monocytes, macrophages, dendritic cells, microglia, and mast cells. It is also expressed on type-1 CD4+ (Th1-like) T cells, CD8+ T cytotoxic cells, regulatory T cells (Treg), and natural killer (NK) cells. TIM-3 functions as an inhibitory receptor which helps cells maintain immunological homeostasis and self tolerance. Crosslinking of cell surface TIM-3 by Galectin-9 binding downregulates Th1-like and CD8+ T cell responses and can promote Treg or myeloid-derived suppressor cells. TIM-3 enables dendritic cells to bind phosphatidyl serine expressed by apoptotic cells and to phagocytize these cells to quell potential inflammation. TIM-3 also binds to the alarmin HMGB1 thereby preventing Toll-like receptor (TLR) by released tumor cell DNA.
Development References (4)
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Anderson AC, Joller N, Kuchroo VK. Lag-3, Tim-3, and TIGIT: Co-inhibitory Receptors with Specialized Functions in Immune Regulation.. Immunity. 2016; 44(5):989-1004. (Biology). View Reference
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Oikawa T1, Kamimura Y, Akiba H, et al. Preferential involvement of Tim-3 in the regulation of hepatic CD8+ T cells in murine acute graft-versus-host disease.. J Immunol. 2006; 177(7):4281-4287. (Biology). View Reference
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Phong BL, Avery L, Sumpter TL, et al. Tim-3 enhances FcεRI-proximal signaling to modulate mast cell activation.. J Exp Med. 2015; 212(13):2289-304. (Clone-specific: Flow cytometry). View Reference
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Veenstra RG, Taylor PA, Zhou Q, et al. Contrasting acute graft-versus-host disease effects of Tim-3/galectin-9 pathway blockade dependent upon the presence of donor regulatory T cells.. Blood. 2012; 120(3):682-90. (Clone-specific: Flow cytometry). View Reference
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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.