- 11C3C65 (See other available formats)
- Other Names
- CD223, LAG-3, LAG3, lymphocyte-activation gene-3
- Mouse IgG1, κ
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- Product Citations
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CD223, also known as LAG-3, is a 70 kD type I transmembrane glycoprotein that is involved in T-cell signaling. Similar to CD4, CD223 binds MHC class II, but with a higher affinity. CD223 negatively regulates T-cell activation. It is expressed by activated T-cells and natural killer cells (NKs), as well as regulatory T-cells. It is transiently expressed on the surface of activated T-cells in acute conditions but high expression is maintained under tolerizing conditions. CD223 deficiency results in reduced tumor growth. CD223 and PD-1 can act in synergy and reverse exhausted phenotypes, improve tumor rejection, and control viral load.Product Details
- Antibody Type
- Host Species
- Human LAG-3 transfected cells.
- 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 510™ under optimal conditions. The solution is free of unconjugated Brilliant Violet 510™ and unconjugated antibody.
- Lot-specific (please contact technical support for concentration and total µg amount, or use our Lookup tool if you have a lot number.)
- 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 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.
Brilliant Violet 510™ excites at 405 nm and emits at 510 nm. The bandpass filter 510/50 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 510™ is a trademark of Sirigen Group Ltd.
Learn more about Brilliant Violet™.
This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. 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 foreign equivalents.
- Excitation Laser
Violet Laser (405 nm)
- Application Notes
The staining of clone 11C3C65 cannot be blocked by clone 7H2C65, which is another anti-human CD223 (LAG-3) antibody.
AB_2715780 (BioLegend Cat. No. 369317)
AB_2715781 (BioLegend Cat. No. 369318)
- 70 kD transmembrane glycoprotein, Ig superfamily, highly homologous to CD4.
Activated T-cells and natural killer cells (NKs) and regulatory T cells.
- Negatively regulates T-cell activation.
- Binds MHC class II molecules.
- Cell Type
- Dendritic cells, NK cells, T cells, Tregs
- Biology Area
- Immunology, Inhibitory Molecules
- Molecular Family
- CD Molecules, Immune Checkpoint Receptors
- Antigen References
1. Castelli C, et al. 2014. Oncoimmunology. 3(11):e967146.
2. Poirier N, et al. 2011. Clin. Exp. Immunol. 164:265.
3. Juno JA, et al. 2015. Retrovirology. 12:17.
4. Casati C, et al. 2006. Cancer Res. 66:4450.
- Gene ID
- 3902 View all products for this Gene ID
- View information about CD223 on UniProt.org
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