Human B7-1/CD80 PE-conjugated Antibody

Catalog # Availability Size / Price Qty
FAB140P-100
FAB140P-025
Detection of B7‑1/CD80 in Raji Human Burkitt's Cell Line by Flow Cytometry.
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Product Details
Citations (6)
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Human B7-1/CD80 PE-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human B7‑1/CD80 in ELISAs. In sandwich immunoassays, no cross-reactivity or interference with recombinant human (rh) B7-2, recombinant mouse (rm) B7-1, rmB7-2, rhB7-H1, rhB7-H2, rhB7-H3 or rmPD-L2 is observed.
Source
Monoclonal Mouse IgG1 Clone # 37711
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human B7‑1/CD80
Val35-Asn242 (predicted)
Accession # P33681
Formulation
Supplied in a saline solution containing BSA and Sodium Azide.
Label
Phycoerythrin (Excitation= 488 nm, Emission= 565-605 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
10 µL/106 cells
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry Detection of B7‑1/CD80 antibody in Raji Human Burkitt's Cell Line antibody by Flow Cytometry. View Larger

Detection of B7‑1/CD80 in Raji Human Burkitt's Cell Line by Flow Cytometry. Raji human Burkitt's lymphoma cell line was stained with Mouse Anti-Human B7-1/CD80 PE-conjugated Monoclonal Antibody (Catalog # FAB140P, filled histogram) or isotype control antibody (Catalog # IC002P, open histogram). View our protocol for Staining Membrane-associated Proteins.

Flow Cytometry Detection of Human B7-1/CD80 by Flow Cytometry View Larger

Detection of Human B7-1/CD80 by Flow Cytometry Comparison of the phenotypic profiles of DCLCs primed with or without IFIT4 over-expression. (a) Surface antigens of normal THP-1 cells were examined by flow cytometry. (b) To analyze the effect of IFIT4 on phenotypic changes of dendritic cell-like cells (DCLCs) during the process of differentiation, THP-1 cells were transfected with pEGFP-IFIT4 or pEGFP-C1; 36 hours later, cells were stimulated with granulocyte-macrophage colony-stimulating factor (GM-CSF; 50 ng/ml) and IL-4 (20 ng/ml) for 90 hours to generate DCLCs. These DCLCs primed with pEGFP-IFIT4 or pEGFP-C1 transfection were incubated with fluorochrome-conjugated monoclonal antibodies (mAbs) and the antigens of CD40, CD80, CD86, CD83, HLA-DR, CD14 and CD1a on the surface of those DCLCs were analyzed by flow cytometry. Appropriate fluorochrome or isotype control mAbs of each antibody species were used as negative controls. Shaded histograms represent isotype control antibodies. The thick line represents DCLCs primed with pEGFP-IFIT4 transfection, whereas the slender lines represent DCLCs primed with pEGFP-C1 transfection. All experiments were performed three times and a set of representative histograms was presented. IFIT4, interferon-induced protein with tetratricopeptide repeats 4. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/18706081), licensed under a CC-BY license. Not internally tested by R&D Systems.

Flow Cytometry Detection of Porcine B7-1/CD80 by Flow Cytometry View Larger

Detection of Porcine B7-1/CD80 by Flow Cytometry SFN inhibits LPS induced moDC maturation and enhances the phagocytic activity.moDCs at day 7 in culture were used for cell phagocytosis and cell differentiation status analysis. moDCs were pre-incubated for 1 h with or without SFN (10 μM) before stimulation for 24 h LPS (1.0 μg/ml) or to the indicated concentrations. CD40, CD80, and CD86 cellular surface markers expression were analyzed by flow cytometry (A). The flow cytometry results shown were from one experiment of two independent experiments. CD40, CD80 and CD86 mean fluorescence intensity (MFI) determined by flow cytometry (B). The flow cytometry results were combined from two independent experiments and each experiment was performed from triplications. Data are mean ± standard deviations (SD) (the letters a and b P<0.01). The phagocytic activity of moDCs was examined after stimulating with different concentration of LPS (0,5 μg/ml, 1,0 μg/ml, and 2,0 μg/ml) with or without 24 h pre-treatment with SFN (C). The mRNA expression of DCs surface markers CD40, CD80 and CD86 were quantified using qRT-PCR (D). The mRNA expression and phagocytosis results were combined from three independent experiments and each experiment was performed in four replications. The data represented as the mean ± standard deviations (SD) (* P < 0.05; ** P < 0.01; *** P < 0.001). Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25793534), licensed under a CC-BY license. Not internally tested by R&D Systems.

Flow Cytometry Detection of Porcine B7-1/CD80 by Flow Cytometry View Larger

Detection of Porcine B7-1/CD80 by Flow Cytometry SFN inhibits LPS induced moDC maturation and enhances the phagocytic activity.moDCs at day 7 in culture were used for cell phagocytosis and cell differentiation status analysis. moDCs were pre-incubated for 1 h with or without SFN (10 μM) before stimulation for 24 h LPS (1.0 μg/ml) or to the indicated concentrations. CD40, CD80, and CD86 cellular surface markers expression were analyzed by flow cytometry (A). The flow cytometry results shown were from one experiment of two independent experiments. CD40, CD80 and CD86 mean fluorescence intensity (MFI) determined by flow cytometry (B). The flow cytometry results were combined from two independent experiments and each experiment was performed from triplications. Data are mean ± standard deviations (SD) (the letters a and b P<0.01). The phagocytic activity of moDCs was examined after stimulating with different concentration of LPS (0,5 μg/ml, 1,0 μg/ml, and 2,0 μg/ml) with or without 24 h pre-treatment with SFN (C). The mRNA expression of DCs surface markers CD40, CD80 and CD86 were quantified using qRT-PCR (D). The mRNA expression and phagocytosis results were combined from three independent experiments and each experiment was performed in four replications. The data represented as the mean ± standard deviations (SD) (* P < 0.05; ** P < 0.01; *** P < 0.001). Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25793534), licensed under a CC-BY license. Not internally tested by R&D Systems.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: B7-1/CD80

B7-1 and B7-2, together with their receptors CD28 and CTLA-4, constitute one of the dominant co-stimulatory pathways that regulate T- and B-cell responses. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to B7-1 and B7-2 with a 20-100 fold higher affinity than CD28 and is involved in the down‑regulation of the immune response. B7-1 is expressed on activated B cells, activated T cells, and macrophages. B7-2 is constitutively expressed on interdigitating dendritic cells, Langerhans cells, peripheral blood dendritic cells, memory B cells, and germinal center B cells. Additionally, B7-2 is expressed at low levels on monocytes and can be up-regulated through interferon gamma. B7-1 and B7-2 are both members of the Immunoglobulin superfamily. Human B7-1 is a 288 amino acid (aa) protein containing a 34 aa signal peptide, a 208 aa extracellular domain, a 21 aa transmembrane domain, and a 25 aa cytoplasmic domain. Human B7-1 and B7-2 share 26% aa sequence identity. Human and mouse B7-1 share 44% aa sequence identity. However, it has been observed that both human and mouse B7-1 and B7-2 can bind to either human or mouse CD28 and CTLA-4, suggesting that there are conserved amino acids which form the B7-1/B7-2/CD28/CTLA-4 critical binding sites.

References
  1. Azuma, M. et al. (1993) Nature 366:76.
  2. Freeman, G.J. et al. (1993) Science 262:909.
  3. Freeman, G. et al. (1991) J. Exp. Med. 174:625.
  4. Selvakumar, A. et al. (1993) Immunogenetics 38:292.
  5. Chen, C. et al. (1994) J. Immunol. 152:4929.
  6. Freeman, G.J. et al. (1993) J. Exp. Med. 178:2185.
Entrez Gene IDs
941 (Human); 12519 (Mouse); 25408 (Rat); 102140078 (Cynomolgus Monkey)
Alternate Names
Activation B7-1 antigen; B7; B71; B7-1; BB1; CD28LG1; CD28LGB7-1 antigen); CD80 antigen; CD80 molecule; CD80; costimulatory factor CD80; costimulatory molecule variant IgV-CD80; CTLA-4 counter-receptor B7.1; T-lymphocyte activation antigen CD80

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Citations for Human B7-1/CD80 PE-conjugated Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

6 Citations: Showing 1 - 6
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  1. Focal Adhesion Kinase and ROCK Signaling Are Switch-Like Regulators of Human Adipose Stem Cell Differentiation towards Osteogenic and Adipogenic Lineages
    Authors: L Hyväri, M Ojansivu, M Juntunen, K Kartasalo, S Miettinen, S Vanhatupa
    Stem Cells Int, 2018-09-12;2018(0):2190657.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. The effect of S53P4-based borosilicate glasses and glass dissolution products on the osteogenic commitment of human adipose stem cells
    Authors: M Ojansivu, A Mishra, S Vanhatupa, M Juntunen, A Larionova, J Massera, S Miettinen
    PLoS ONE, 2018-08-28;13(8):e0202740.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  3. Sulforaphane epigenetically regulates innate immune responses of porcine monocyte-derived dendritic cells induced with lipopolysaccharide.
    Authors: Qu X, Proll M, Neuhoff C, Zhang R, Cinar M, Hossain M, Tesfaye D, Grosse-Brinkhaus C, Salilew-Wondim D, Tholen E, Looft C, Holker M, Schellander K, Uddin M
    PLoS ONE, 2015-03-20;10(3):e0121574.
    Species: Porcine
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  4. ChemR23, the receptor for chemerin and resolvin E1, is expressed and functional on M1 but not on M2 macrophages.
    Authors: Herova M, Schmid M, Gemperle C, Hersberger M
    J Immunol, 2015-01-30;194(5):2330-7.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  5. Critical role of lipid rafts in CD154-mediated T cell signaling.
    Authors: El Fakhry Y, Alturaihi H, Diallo D, Merhi Y, Mourad W
    Eur. J. Immunol., 2010-03-01;40(3):770-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  6. Eosinophils induce DC maturation, regulating immunity.
    Authors: Lotfi R, Lotze MT
    J. Leukoc. Biol., 2007-11-08;83(3):456-60.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry

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