- EH12.2H7 (See other available formats)
- Other Names
- Mouse IgG1, κ
- Ave. Rating
- 1 reviews
- Product Citations
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Programmed cell death 1 (PD-1), also known as CD279, is a 55 kD member of the immunoglobulin superfamily. CD279 contains the immunoreceptor tyrosine-based inhibitory motif (ITIM) in the cytoplasmic region and plays a key role in peripheral tolerance and autoimmune disease. CD279 is expressed predominantly on activated T cells, B cells, and myeloid cells. PD-L1 (B7-H1) and PD-L2 (B7-DC) are ligands of CD279 (PD-1) and are members of the B7 gene family. Evidence suggests overlapping functions for these two PD-1 ligands and their constitutive expression on some normal tissues and upregulation on activated antigen-presenting cells. Interaction of CD279 ligands results in inhibition of T cell proliferation and cytokine secretion.Product Details
- Human, African Green, Baboon, Chimpanzee, Common Marmoset, Cynomolgus, Rhesus, Squirrel Monkey
- Antibody Type
- Host Species
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and 0.2% (w/v) BSA (origin USA).
- The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 488 under optimal conditions. The solution is free of unconjugated Alexa Fluor® 488.
- 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.
* Alexa Fluor® 488 has a maximum emission of 519 nm when it is excited at 488 nm.
Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.
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- Excitation Laser
Blue Laser (488 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: blocking of ligand binding1-3 and immunohistochemical staining of paraformaldehyde fixed frozen sections13. The LEAF™ purified antibody (Endotoxin <0.1 EU/μg, Azide-Free, 0.2 μm filtered) is recommended for functional assays (Cat. No. 329911 and 329912). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 329926) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).
(PubMed link indicates BioLegend citation)
- Dorfman DM, et al. 2006 Am. J. Surg. Pathol. 30:802. (FA)
- Radziewicz H, et al. 2007. J. Virol. 81:2545. (FA)
- Velu V, et al. 2007. J. Virol. 81:5819. (FA)
- Zahn RC, et al. 2008. J. Virol. 82:11577. PubMed
- Chang WS, et al. 2008. J. Immunol. 181:6707. (FC) PubMed
- Nakamoto N, et al. 2009. PLoS Pathog. 5:e1000313. (FA)
- Jones RB, et al. 2009. J. Virol. 83:8722. (FC) PubMed
- Vojnov L, et al. 2010. J. Virol. 84:753. (FC) PubMed
- Radziewicz H, et al. 2010. J. Immunol. 184:2410. (FC) PubMed
- Monteriro P, et al. 2011. J. Immunol. 186:4618. PubMed
- Conrad J, et al. 2011. J. Immunol. 186:6871. PubMed
- Salisch NC, et al. 2010. J. Immunol. 184:476. (Rhesus reactivity)
- Li H and Pauza CD. 2015. Eur. J. Immunol. 45:298. (IHC)
- Peterson VM, et al. 2017. Nat. Biotechnol. 35:936. (PG)
- Product Citations
AB_2563593 (BioLegend Cat. No. 329935)
AB_2563594 (BioLegend Cat. No. 329936)
- Immunoglobulin superfamily
Transiently expressed on CD4- CD8- thymocytes; upregulated in thymocytes and splenic T and B lymphocytes; expressed on activated myeloid cells
- B7-H1 (also known as PD-L1) and B7-DC (PD-L2)
- Cell Type
- B cells, Lymphocytes, T cells, Thymocytes, Tregs
- Biology Area
- Cancer Biomarkers, Immunology, Inhibitory Molecules
- Molecular Family
- CD Molecules, Immune Checkpoint Receptors
- Gene ID
- 5133 View all products for this Gene ID
- View information about CD279 on UniProt.org
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