Ultra-LEAF™ Purified anti-human CD279 (PD-1) Antibody

Pricing & Availability
Clone
EH12.2H7 (See other available formats)
Other Names
PD-1
Isotype
Mouse IgG1, κ
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Product Citations
publications
Cat # Size Price Quantity Avail. Save
329925 100 µg £67
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329926 1 mg £91
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329957 5 mg £329
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329958 25 mg £860
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329959 50 mg £1,438
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329960 100 mg £2,066
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Description

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
Technical Data Sheet (pdf)

Product Details

Reactivity
Human, African Green, Baboon, Chimpanzee, Common Marmoset, Cynomolgus, Rhesus, Squirrel Monkey
Antibody Type
Monoclonal
Host Species
Mouse
Formulation
0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative. Endotoxin level is <0.01 EU/µg of the protein (<0.001 ng/µg of the protein) as determined by the LAL test.
Preparation
The Ultra-LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
Concentration
For 5 mg sizes and larger, the antibody is bottled at the concentration indicated on the vial, typically between 1 mg/ml and 3 mg/ml. For smaller sizes the concentration is 1.0 mg/ml.
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. This Ultra-LEAF™ solution contains no preservative; handle under aseptic conditions.
Application

FC - Quality tested
Block, IHC, PG - Reported in the literature

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 or 100 µl of whole blood. It is recommended that the reagent be titrated for optimal performance for each application.

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).

Application References

(PubMed link indicates BioLegend citation)
  1. Dorfman DM, et al. 2006 Am. J. Surg. Pathol. 30:802. (FA)
  2. Radziewicz H, et al. 2007. J. Virol. 81:2545. (FA)
  3. Velu V, et al. 2007. J. Virol. 81:5819. (FA)
  4. Zahn RC, et al. 2008. J. Virol. 82:11577. PubMed
  5. Chang WS, et al. 2008. J. Immunol. 181:6707. (FC) PubMed
  6. Nakamoto N, et al. 2009. PLoS Pathog. 5:e1000313. (FA)
  7. Jones RB, et al. 2009. J. Virol. 83:8722. (FC) PubMed
  8. Vojnov L, et al. 2010. J. Virol. 84:753. (FC) PubMed
  9. Radziewicz H, et al. 2010. J. Immunol. 184:2410. (FC) PubMed
  10. Monteriro P, et al. 2011. J. Immunol. 186:4618. PubMed
  11. Conrad J, et al. 2011. J. Immunol. 186:6871. PubMed
  12. Salisch NC, et al. 2010. J. Immunol. 184:476. (Rhesus reactivity)
  13. Li H and Pauza CD. 2015. Eur. J. Immunol. 45:298. (IHC)
  14. Peterson VM, et al. 2017. Nat. Biotechnol. 35:936. (PG)
Product Citations
  1. Moon E, et al. 2016. Clin Cancer Res. 22: 436 - 447. PubMed
Publication Library
RRID
AB_11147369 (BioLegend Cat. No. 329925)
AB_11147365 (BioLegend Cat. No. 329926)
AB_2783202 (BioLegend Cat. No. 329957)
AB_2783203 (BioLegend Cat. No. 329958)
AB_2783204 (BioLegend Cat. No. 329959)
AB_2783205 (BioLegend Cat. No. 329960)

Antigen Details

Structure
Immunoglobulin superfamily
Distribution

Transiently expressed on CD4- CD8- thymocytes; upregulated in thymocytes and splenic T and B lymphocytes; expressed on activated myeloid cells

Ligand Receptor
B7-H1 (also known as PD-L1) and B7-DC (PD-L2)
Cell Type
B cells, Lymphocytes, T cells, Thymocytes, Tregs
Biology Area
Immunology, Cancer Biomarkers
Molecular Family
CD Molecules, Immune Checkpoint Receptors
Gene ID
5133 View all products for this Gene ID
UniProt
View information about CD279 on UniProt.org

Related FAQs

Does BioLegend test each LEAF™ antibody by functional assay?

No, BioLegend does not test LEAF™ antibodies by functional assays unless otherwise indicated. Due to the possible complexities and variations of uses of biofunctional antibodies in different assays and because of the large product portfolio, BioLegend does not currently perform functional assays as a routine QC for the antibodies. However, we do provide references in which the antibodies were used for functional assays and we do perform QC to verify the specificity and quality of the antibody based on our strict specification criteria.

Do you guarantee that your antibodies are totally pathogen free?

BioLegend does not test for pathogens in-house unless otherwise indicated. However upon request these can be tested from outside independent laboratories on custom basis.

Does BioLegend test each LEAF™ antibody for potential pathogens?

No, BioLegend does not test for pathogens in-house unless otherwise indicated.  However, we can recommend an outside vendor to perform this testing as needed.

Have you tested this LEAF™/Ultra-LEAF™ antibody for in vivo or in vitro applications?

We don't test our antibodies for in vivo or in vitro applications unless otherwise indicated. Depending on the product, the TDS may describe literature supporting usage of a particular product for bioassay. It may be best to further consult the literature to find clone specific information.

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For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

BioLegend Inc., 9727 Pacific Heights Blvd, San Diego, CA 92121 www.biolegend.com
Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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