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PE 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
29E.2A3_PE_CD274_Antibody_FC_091013
PHA-stimulated (3 days) human peripheral blood lymphocytes were stained with CD274 (clone 29E.2A3) PE (filled histogram) or mouse IgG2b, κ PE isotype control (open histogram).
  • 29E.2A3_PE_CD274_Antibody_FC_091013
    PHA-stimulated (3 days) human peripheral blood lymphocytes were stained with CD274 (clone 29E.2A3) PE (filled histogram) or mouse IgG2b, κ PE isotype control (open histogram).
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329705 25 tests 95€
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329706 100 tests 211€
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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 PE 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.

Excitation Laser
Blue Laser (488 nm)
Green Laser (532 nm)/Yellow-Green Laser (561 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

(PubMed link indicates BioLegend citation)
  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
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  4. Cui J, et al. 2022. Cancer Cell Int. 22:72. PubMed
  5. Oreskovic E, et al. 2022. Proc Natl Acad Sci U S A. 119:. PubMed
  6. Schott DS, et al. 2017. Oncotarget. 8:72755. PubMed
  7. Roberts A, et al. 2021. Sci Rep. 11:4030. PubMed
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  12. Huang X, et al. 2021. Nat Nanotechnol. 16:214. PubMed
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  18. Fujiwara Y, et al. 2021. Pancreas. 50:405. PubMed
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  20. Mineo M, et al. 2020. Molecular Cell. 78(6):1207-1223.e8. PubMed
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  22. Tran L, et al. 2017. Cancer Immunol Res. 5:1141. PubMed
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  38. Mao R, et al. 2020. Cancer Sci. 111:3174. PubMed
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  40. Wu L, et al. 2018. Oncol Lett. 15:9507. PubMed
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  47. Pathania AS, et al. 2022. Mol Ther Oncolytics. 25:308. PubMed
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  49. Okita R, et al. 2021. Thorac Cancer. 12:775. PubMed
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  63. Tsuchiya K, et al. 2021. Oncoimmunology. 10:1962656. PubMed
  64. Wang J, et al. 2022. Clin Transl Med. 12:e718. PubMed
  65. Rydyznski Moderbacher C, et al. 2022. J Clin Invest. :. PubMed
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RRID
AB_940366 (BioLegend Cat. No. 329705)
AB_940368 (BioLegend Cat. No. 329706)

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

What type of PE do you use in your conjugates?
We use R-PE in our conjugates.

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: 7    Revision Date: 11.30.2016

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

 

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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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