B7-1/CD80 Antibody (37711) [Unconjugated] Summary
Immunogen |
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human B7‑1/CD80 Val35-Asn242 (predicted) Accession # P33681 |
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 |
N/A |
Isotype |
IgG1 |
Clonality |
Monoclonal |
Host |
Mouse |
Gene |
CD80 |
Purity Statement |
Protein A or G purified from hybridoma culture supernatant |
Endotoxin Note |
<0.10 EU per 1 μg of the antibody by the LAL method. |
Innovator's Reward |
Test in a species/application not listed above to receive a full credit towards a future purchase. |
Applications/Dilutions
Dilutions |
- CyTOF-ready
- Dual RNAscope ISH-IHC 5-25 ug/mL
- ELISA Capture (Matched Antibody Pair) 2-8 ug/mL
- ELISA Detection (Matched Antibody Pair) 0.5-2.0 ug/mL
- ELISA Standard (Matched Pair)
- Flow Cytometry 0.25 ug/10^6 cells
- Immunohistochemistry 5-25 ug/mL
- Neutralization 0.2-1 ug/mL
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Application Notes |
ELISA Capture: Human B7-1/CD80 Antibody (Catalog # MAB140) ELISA Detection: Human B7-1/CD80 Biotinylated Antibody (Catalog # BAM1402) Standard: Recombinant Human B7-1/CD80 Fc Chimera (Catalog # 140-B1) |
Publications |
Read Publications using MAB140 in the following applications:
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Packaging, Storage & Formulations
Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 degreesC as supplied. 1 month, 2 to 8 degreesC under sterile conditions after reconstitution. 6 months, -20 to -70 degreesC under sterile conditions after reconstitution. |
Buffer |
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. |
Preservative |
No Preservative |
Concentration |
LYOPH |
Reconstitution Instructions |
Reconstitute at 0.5 mg/mL in sterile PBS. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for B7-1/CD80 Antibody (37711) [Unconjugated]
Background
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 sequenceidentity. Human and mouse B7-1 share 44% aa sequenceidentity. 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.
- Azuma, M. et al. (1993) Nature 366:76.
- Freeman, G.J. et al. (1993) Science 262:909.
- Freeman, G. et al. (1991) J. Exp. Med. 174:625.
- Selvakumar, A. et al. (1993) Immunogenetics 38:292.
- Chen, C. et al. (1994) J. Immunol. 152:4929.
- Freeman, G.J. et al. (1993) J. Exp. Med. 178:2185.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are
guaranteed for 1 year from date of receipt.
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Product General Protocols
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