- 10F.9G2 (See other available formats)
- Regulatory Status
- Other Names
- B7-H1, PD-L1
- Rat IgG2b, κ
- Ave. Rating
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- Product Citations
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CD274, also known as B7-H1 or programmed death ligand 1 (PD-L1), is a 40 kD type I transmembrane protein and a member of the B7 family within the immunoglobulin receptor superfamily. It is expressed on T cells, B cells, NK cells, dendritic cells, IFN-γ activated endothelial cells, and monocytes. B7-H1 is one of the ligands of PD-1. The interaction of B7-H1 with PD-1 plays an important role in the inhibition of T cell responses. Other studies have shown that B7-H1 is able to costimulate T cell growth and cytokine production. CD274 is involved in costimulation essential for T cell proliferation and production of IL-10 and IFN-γ, in an IL-2-dependent and a PD-1-independent manner. Its interaction with PD-1 inhibits T cell proliferation and cytokine production.Product Details
- Antibody Type
- Host Species
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).
- The antibody was purified by affinity chromatography and conjugated with Brilliant Violet 650™ under optimal conditions.
- 0.2 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤0.5 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
Brilliant Violet 650™ excites at 405 nm and emits at 645 nm. The bandpass filter 660/20 nm is recommended for detection, although filter optimization may be required depending on other fluorophores used. Be sure to verify that your cytometer configuration and software setup are appropriate for detecting this channel. Refer to your instrument manual or manufacturer for support. Brilliant Violet 650™ is a trademark of Sirigen Group Ltd.
Learn more about Brilliant Violet™.
This product is subject to proprietary rights of Becton, Dickinson and Company and its affiliates. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. patent(s), pending patent applications and/or foreign equivalents.
- Excitation Laser
Violet Laser (405 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: immunofluorescence4, blocking6,7,8,9, and immunohistochemistry of acetone-fixed frozen sections4, 11. The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 124303). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 124318) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).
- Application References
- Maier H, et al. 2007. J. Immunol. 178:2714.
- Meng Q, et al. 2006. Invest. Ophthalmol. Vis. Sci. 47:4444. PubMed
- Scarlett UK, et al. 2012. J Exp Med. 209:495. PubMed
- Grabie N, et al. 2007. Circulation 116:2062. (IF, IHC)
- Paterson AM, et al. 2011. J. Immunol. 187:1097.
- Channappanavar R, et al. 2012. PLoS One 7:e39757. (Block)
- Schreiber HA, et al. 2010. PLoS One 5:e11453. (Block) PubMed
- Muthumani K, et al. 2011. J. Immunol. 187:2932. (Block) PubMed
- Cripps JG, et al. 2010. Hepatology 52:1350. (Block) PubMed
- Murakami R, et al. 2013. PLoS One. 8:73270. PubMed
- Riella LV, et al. 2011. Am. J. Transplant 11:832-40. (IHC)
- Lei GS, et al. 2015. Infect Immun. 83:572. PubMed
AB_2734192 (BioLegend Cat. No. 124336)
- 40 kD type I transmembrane protein member of B7 family within the immunoglobulin receptor superfamily
T cells, B cells, NK cells, dendritic cells, IFN-γ activated endothelial cells, and monocytes
- PD-1 (PDCD1)
- Cell Type
- B cells, Dendritic cells, Endothelial cells, Monocytes, NK cells, T cells
- Biology Area
- Cancer Biomarkers, Costimulatory Molecules, Immunology
- Molecular Family
- Adhesion Molecules, CD Molecules, Immune Checkpoint Receptors
- Antigen References
1. Sharpe A, et al. 2007. Nat. Immunol. 8:239.
2. Dong H, et al. 1999. Nat. Med. 5:1365.
3. Freeman G, et al. 2000. J. Exp. Med. 192:1027.
- Gene ID
- 60533 View all products for this Gene ID
- View information about CD274 on UniProt.org
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