Human B7-H7/HHLA2 Antibody (907812)
R&D Systems | Catalog # MAB80841
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Key Product Details
Species Reactivity
Human
Applications
Blockade of Receptor-ligand Interaction, Flow Cytometry, Immunocytochemistry, CyTOF-ready
Label
Unconjugated
Antibody Source
Monoclonal Mouse IgG1 Clone # 907812
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Product Specifications
Immunogen
Human embryonic kidney cell line HEK293-derived human B7-H7/HHLA2
Met1-Asn344
Accession # Q9UM44
Met1-Asn344
Accession # Q9UM44
Specificity
Detects human B7-H7/HHLA2 in direct ELISAs.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Scientific Data Images for Human B7-H7/HHLA2 Antibody (907812)
Detection of B7-H7/HHLA2 in HEK Human Cell Line Transfected with Human B7-H7/HHLA2 and eGFP by Flow Cytometry.
HEK293 human embryonic kidney cell line transfected with either (A) human B7-H7/HHLA2 or (B) irrelevant protein, and eGFP was stained with Mouse Anti-Human B7-H7/HHLA2 Monoclonal Antibody (Catalog # MAB80841) followed by anti-Mouse IgG APC-conjugated secondary antibody (Catalog # F0101B). Quadrant markers were set based on control antibody staining (Catalog # MAB002). View our protocol for Staining Membrane-associated Proteins.
B7-H7/HHLA2 in Human PBMCs.
B7-H7/HHLA2 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Mouse Anti-Human B7-H7/HHLA2 Monoclonal Antibody (Catalog # MAB80841) at 25 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
TMIGD2/CD28H Binding to B7-H7/ HHLA2-transfected HEK293 Human Cell Line is Blocked by Human B7-H7/HHLA2 Antibody.
In a functional flow cytometry test, biotinylated recombinant human TMIGD2/ CD28H (10 ng/mL, Catalog # 8316-TR) binds to HEK293 human embryonic kidney cell line transfected with human B7-H7/ HHLA2 (black dotted line). Binding is completely blocked (orange histogram) by 2.5 µg/mL of Mouse Anti-Human B7-H7/ HHLA2 Monoclonal Antibody (Catalog # MAB80841). Mouse IgG1 Isotype Control (Catalog # MAB002) at 2.5 µg/mL was used as a control (blue line). Cells were stained with Streptavidin-APC (Catalog # F0050).
B7-H7 Binding to TMIGD2/ CD28H Blocked by Human B7-H7/HHLA2 Antibody.
In a Surface Plasmon Resonance test, Recombinant Human TMIGD2/ CD28H Fc Chimera (Catalog # 8316-TR), coated at 10 ng/mL binds to Recombinant Human B7-H7/HHLA2 Fc Chimera (Catalog # 8084-B7, 5 µg/mL) (blue line). Binding is completely blocked (red) by 50 µg/mL of Mouse Anti-Human B7-H7/ HHLA2 Monoclonal Antibody (Catalog # MAB80841). Mouse IgG1 isotype (Catalog # MAB002) and irrelevant mouse monoclonal antibody were used as controls and did not affect TMIGD2/ CD28H binding to B7-H7/HHLA2 (not shown).Applications for Human B7-H7/HHLA2 Antibody (907812)
Application
Recommended Usage
Blockade of Receptor-ligand Interaction
In a functional ELISA, 100-300 ng/mL of Mouse anti-Human B7-H7/HHLA2 Antibody (Catalog # MAB80841) will block 50% of the binding of 500 ng/mL of Recombinant Human B7-H7/HHLA2 Fc Chimera (Catalog # 8084-B7) to immobilized Recombinant Human TMIGD2/CD28H Fc Chimera (Catalog # 8316-TR) coated at 125 ng/mL
(100 µL/well). At 1.25 μg/mL, this antibody will block >90% of the binding.
(100 µL/well). At 1.25 μg/mL, this antibody will block >90% of the binding.
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Flow Cytometry
0.25 µg/106 cells
Sample: HEK Human Cell Line Transfected with Human B7-H7/HHLA2 and eGFP
Sample: HEK Human Cell Line Transfected with Human B7-H7/HHLA2 and eGFP
Immunocytochemistry
8-25 µg/mL
Sample: Immersion fixed human peripheral blood mononuclear cells (PBMCs)
Sample: Immersion fixed human peripheral blood mononuclear cells (PBMCs)
Flow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: B7-H7/HHLA2
B7‑H7 is constitutively expressed on monocytes and is up-regulated by LPS and IFN-gamma stimulation. It is expressed on LPS/IFN-gamma treated B cells but not on resting B cells (5). B7-H7 binds to cell surface determinants on resting and mature T cells, B cells, and monocytes as well as on immature and mature dendritic cells (5). Soluble B7-H7 inhibits the proliferation of activated CD4+ and CD8+ T cells and their production of IFN-gamma, TNF-alpha, IL-5, IL-10, IL-13, IL-17A, and IL-22 (5).
References
- Zou, W. and L. Chen (2008) Nat. Rev. Immunol. 8:467.
- Bour-Jordan, H. et al. (2011) Immunol. Rev. 241:180.
- Mager, D.L. et al. (1999) Genomics 59:255.
- Flajnik, M.M. et al. (2012) Immunogenetics 64:571.
- Zhao, R. et al. (2013) Proc. Natl. Acad. Sci. USA 110:9879.
Long Name
B7 Homolog 7
Alternate Names
B7H7, HHLA2
Gene Symbol
HHLA2
UniProt
Additional B7-H7/HHLA2 Products
Product Documents for Human B7-H7/HHLA2 Antibody (907812)
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human B7-H7/HHLA2 Antibody (907812)
For research use only
Related Research Areas
Citations for Human B7-H7/HHLA2 Antibody (907812)
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- 7-Amino Actinomycin D (7-AAD) Cell Viability Flow Cytometry Protocol
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- Extracellular Membrane Flow Cytometry Protocol
- Flow Cytometry Protocol for Cell Surface Markers
- Flow Cytometry Protocol for Staining Membrane Associated Proteins
- Flow Cytometry Staining Protocols
- Flow Cytometry Troubleshooting Guide
- ICC Cell Smear Protocol for Suspension Cells
- ICC Immunocytochemistry Protocol Videos
- ICC for Adherent Cells
- Immunocytochemistry (ICC) Protocol
- Immunocytochemistry Troubleshooting
- Immunofluorescence of Organoids Embedded in Cultrex Basement Membrane Extract
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Intracellular Flow Cytometry Protocol Using Alcohol (Methanol)
- Intracellular Flow Cytometry Protocol Using Detergents
- Intracellular Nuclear Staining Flow Cytometry Protocol Using Detergents
- Intracellular Staining Flow Cytometry Protocol Using Alcohol Permeabilization
- Intracellular Staining Flow Cytometry Protocol Using Detergents to Permeabilize Cells
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Liperfluo
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Characterization of Human Th22 Cells
- Protocol for the Characterization of Human Th9 Cells
- Protocol for the Fluorescent ICC Staining of Cell Smears - Graphic
- Protocol for the Fluorescent ICC Staining of Cultured Cells on Coverslips - Graphic
- Protocol for the Preparation and Fluorescent ICC Staining of Cells on Coverslips
- Protocol for the Preparation and Fluorescent ICC Staining of Non-adherent Cells
- Protocol for the Preparation and Fluorescent ICC Staining of Stem Cells on Coverslips
- Protocol for the Preparation of a Cell Smear for Non-adherent Cell ICC - Graphic
- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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