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PerCP/Cyanine5.5 anti-human CD274 (B7-H1, PD-L1) Antibody

Pricing & Availability
Clone
29E.2A3 (See other available formats)
Regulatory Status
RUO
Other Names
Programmed cell death ligand 1 (PD-L1), B7 homolog 1 (B7-H1)
Isotype
Mouse IgG2b, κ
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Product Citations
publications
29Epoint2A3_PerCPCy5point5_CD274_Antibody_062716
PHA-stimulated (3 days) human peripheral blood lymphocytes were stained with CD274 (clone 29E.2A3) PerCP/Cyanine5.5 (filled histogram) or mouse IgG2b, κ PerCP/Cyanine5.5 isotype control (open histogram).
  • 29Epoint2A3_PerCPCy5point5_CD274_Antibody_062716
    PHA-stimulated (3 days) human peripheral blood lymphocytes were stained with CD274 (clone 29E.2A3) PerCP/Cyanine5.5 (filled histogram) or mouse IgG2b, κ PerCP/Cyanine5.5 isotype control (open histogram).
Compare all formats See PerCP/Cyanine5.5 spectral data
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329737 25 tests 128€
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329738 100 tests 306€
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Description

CD274, also known as PD-L1 and B7-H1, is type I transmembrane glycoprotein that serves as a ligand for CD279 (PD-1). This interaction is believed to regulate the balance between the stimulatory and inhibitory signals needed for responses to microbes and maintenance of self-tolerance. CD274 is involved in the costimulation of T cell proliferation and IL-10 and IFN-γ production in an IL-2-dependent and CD279-independent manner. Conflicting data has shown that CD274 can inhibit T cell proliferation and cytokine production, and alternatively, enhance T cell activation. Other studies suggest that CD274 may signal bidirectionally, raising interesting implications for its expression in a wide variety of cell types, including T and B cells, antigen-presenting cells, and nonhematopoietic cells.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Reported Reactivity
African Green, Baboon, Cynomolgus, Rhesus
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Full length human PD-L1
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation
The antibody was purified by affinity chromatography and conjugated with PerCP/Cyanine5.5 under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
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.
Application

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.

* PerCP/Cyanine5.5 has a maximum absorption of 482 nm and a maximum emission of 690 nm.

Application Notes

Clone 29E.2A3 is reported to recognize an epitope on PD-L1 within the PD-L1-CD80 binding region5. Additional reported applications (for the relevant formats) include: blocking1-3 and immunohistochemical staining of acetone-fixed frozen sections1. The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 329715, 329716, 329745 - 329748). 

It has been observed that clone 29E.2A3 is able to bind to Alexa Fluor® 700 antibody conjugates during multi-color immunofluorescent staining. This interaction can be resolved by sequentially staining with the 29E.2A3 antibody first and then followed by the Alexa Fluor® 700 conjugate of interest.

Clone 29E.2A3 does not work in Western blot applications7.

Application References
  1. Brown J, et al. 2003. J. Immunol. 170:1257. (FC, IHC, Block)
  2. Radziewicz H, et al. 2007. J. Virol. 81:2545. (Block)
  3. Nakamoto N, et al. 2009. PLoS Pathog. 5:e1000313. (Block)
  4. Barsoum IB, et al. 2014. Cancer Res. 74:665. PubMed
  5. Haile, S et al. 2013. J. Immunol. 191:2829.
  6. RL M, et al. 2015. PNAS. 112:6506-6514. PubMed
  7. Mahoney KM, et al. 2015. Cancer Immunol. Res. 3:1308.
Product Citations
  1. Duraiswamy J, et al. 2021. Cancer Cell. 39:1623. PubMed
  2. Guo J, et al. 2019. Cancer Immunol Res. 1.349305556. PubMed
  3. Wang Y, et al. 2021. Front Immunol. 12:654463. PubMed
  4. Zhang X, et al. 2021. Nat Commun. 12:5291. PubMed
  5. Braun DA, et al. 2021. Cancer Cell. 39:632. PubMed
  6. Wu Y, et al. 2022. J Transl Med. 20:217. PubMed
  7. Ford BD, et al. 2021. Int J Mol Sci. 22:. PubMed
  8. Diamantopoulos PT, et al. 2022. Cancers (Basel). 14:. PubMed
RRID
AB_2617009 (BioLegend Cat. No. 329737)
AB_2617009 (BioLegend Cat. No. 329738)

Antigen Details

Distribution

T cells, B cells, NK cells, monocytes/macrophages, granulocytes and dendritic cells

Function
CD274 is involved in the costimulatory signal, essential for T lymphocyte proliferation and production of IL-10 and IFN-γ, in an IL-2-dependent and a PD-1-CD1-independent manner. Its interaction with PD-1-CD1 inhibits T-cell proliferation and cytokine production.
Ligand/Receptor
PD-1 (PDCD1)
Cell Type
B cells, Dendritic cells, Fibroblasts, Granulocytes, Macrophages, 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.

Gene ID
29126 View all products for this Gene ID
UniProt
View information about CD274 on UniProt.org

Related FAQs

How stable is PerCP/Cyanine5.5 tandem as compared to PerCP alone?

PerCP/Cyanine5.5 is quite photostable and also better than PerCP alone in withstanding fixation.

Other Formats

View All CD274 Reagents Request Custom Conjugation
Description Clone Applications
Purified anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC,IHC-P,Block
Biotin anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
PE anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
APC anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Brilliant Violet 421™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Ultra-LEAF™ Purified anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC,IHC,Block
PE/Cyanine7 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Purified anti-human CD274 (B7-H1, PD-L1) (Maxpar® Ready) 29E.2A3 FC,CyTOF®
Brilliant Violet 711™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Brilliant Violet 605™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
GoInVivo™ Purified anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC,IHC,Block
PE/Dazzle™ 594 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Brilliant Violet 785™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Brilliant Violet 510™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
PerCP/Cyanine5.5 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Brilliant Violet 650™ anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Alexa Fluor® 594 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 IHC-P
TotalSeq™-A0007 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 PG
TotalSeq™-B0007 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 PG
TotalSeq™-C0007 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 PG
TotalSeq™-D0007 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 PG
PE/Fire™ 810 anti-human CD274 (B7-H1, PD-L1) Antibody 29E.2A3 FC
PE/Cyanine5 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 FC
Spark YG™ 570 anti-human CD274 (B7-H1, PD-L1) 29E.2A3 IHC-P,FC
Go To Top Version: 4    Revision Date: 05-24-2019

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

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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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