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Human B7-H2 Antibody

Catalog #: AF165
3 Citations 1 Review Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
AF165
AF165-SP
Detection of B7‑H2 by Western Blot.
2 Images
Product Details
Citations (3)
FAQs
Supplemental Products
Reviews (1)
Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human B7-H2 Antibody Summary

Species Reactivity
Human
Specificity
Detects human B7-H2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 1% cross‑reactivity with recombinant mouse B7-H2 and recombinant human B7-H1 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human B7-H2
Asp19-Ser258
Accession # O75144
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
Flow Cytometry
0.25 µg/106 cells
See below
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

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

Western Blot Detection of B7-H2 antibody by Western Blot. View Larger

Detection of B7‑H2 by Western Blot. Western blot shows lysate of U937 human histiocytic lymphoma cell line. PVDF membrane was probed with 2 µg/mL of Goat Anti-Human B7-H2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF165) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for B7-H2 at approximately 75 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Flow Cytometry Detection of B7-H2 antibody in U937 Human Cell Line antibody by Flow Cytometry. View Larger

Detection of B7‑H2 in U937 Human Cell Line by Flow Cytometry. U937 human histiocytic lymphoma cell line was stained with Goat Anti-Human B7-H2 Antigen Affinity-purified Polyclonal Anti-body (Catalog # AF165, filled histogram) or isotype control antibody (Catalog # AB-108-C, open histogram), followed by Phycoerythrin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0107).

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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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.

Background: B7-H2

Human B7-H2, also called B7RP-1, B7h, LICOS, and GL50, is a 60 kDa member of the B7 family of immune costimulatory proteins, which includes B7-1, B7-2, B7-H1 (PD-L1), PD-L2, and B7-H3. B7 proteins are members of the immunoglobulin (Ig) superfamily, the extracellular domains contain 2 Ig-like domains and all members have short cytoplasmic domains. Family members share about 20‑25% amino acid identity. Within the extracellular domain, human B7-H2 shares 49% and 54% amino acid sequence identity with human and rat B7-H2, respectively. B7-H2 has been identified as the ligand for ICOS, a member of the CD28 family of costimulatory receptors. Human B7-H2 is a 309 amino acid (aa) protein with a putative 18 aa signal peptide, a 239 aa extracellular domain, an 18 aa transmembrane region, and a 33 aa cytoplasmic domain. Human B7-H2 is expressed constitutively on resting B cells, dendritic cells, and at low levels on monocytes. The B7-H2/ICOS interaction appears to play roles in T cell dependent B cell activation and Th differentiation.

References
  1. Coyle, A.J. and J.C. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
  2. Ling, V. et al. (2000) J. Immunol. 164:1653.
  3. Wang, S. et al. (2000) Blood 96:2808.
  4. Brodie, D. et al. (2000) Curr. Biol. 10:333.
  5. Mages, H.W. et al. (2000) Eur. J. Immunol. 30:1040.
  6. Swallow, M.M. et al. (1999) Immunity 11:423.
  7. Yoshinaga, S.K. et al. (1999) Nature 402:827.
Long Name
B7 Homolog 2
Entrez Gene IDs
23308 (Human); 50723 (Mouse); 499415 (Rat); 102132485 (Cynomolgus Monkey)
Alternate Names
B7H2; B7-H2; B7H2B7 homolog 2; B7-H2B7-related protein 1; B7RP-1; B7RP1B7-like protein Gl50; B7RP-1LICOS; CD275 antigen; CD275; GL50; GL50transmembrane protein B7-H2 ICOS ligand; ICOSL; ICOS-L; ICOSLG; inducible T-cell co-stimulator ligand; KIAA0653ICOS ligand

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Citations for Human B7-H2 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.

3 Citations: Showing 1 - 3
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  1. 12-O-tetradecanoyl phorbol 13-acetate induces the expression of B7-DC, -H1, -H2, and -H3 in K562 cells.
    Authors: Jang BC, Park YK, Choi IH, Kim SP, Hwang JB, Baek WK, Suh MH, Mun KC, Suh SI
    Int. J. Oncol., 2007-12-01;31(6):1439-47.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. The immunomodulatory proteins B7-DC, B7-H2, and B7-H3 are differentially expressed across gestation in the human placenta.
    Authors: Petroff MG, Kharatyan E, Torry DS, Holets L
    Am. J. Pathol., 2005-08-01;167(2):465-73.
    Species: Human
    Sample Types: Tissue Homogenates, Whole Tissue
    Applications: IHC-P, Western Blot
  3. Foreign body-type multinucleated giant cells induced by interleukin-4 express select lymphocyte co-stimulatory molecules and are phenotypically distinct from osteoclasts and dendritic cells
    Authors: Amy K. McNally, James M. Anderson
    Experimental and Molecular Pathology

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Human B7-H2 Antibody
By Anonymous on 03/22/2017
Application: Flow Sample Tested: MCF-7 human breast cancer cell line Species: Human

Detection of B7-H2 in MCF-7. 106 cells were incubated with 0.50 ug of Goat anti-Human B7-H2 antibody (red), or Goat Isotype Control IgG (brown), followed by PE-conjugated anti-Goat secondary antibody (1:100). Unfixed cells.

Flow Cytometry Human B7-H2 Antibody AF165