T cell activation and immune function are regulated by the innate immune system through positive and negative costimulatory molecules. One such molecule, B7-H3 (B7-homolog 3, also designated B7RP-2) belongs to the B7 Immunoglobulin superfamily. Soluble B7-H3 binds a putative receptor on activated T-cells that is distinct from CD28, CTLA-4, ICOS and PD-1. Widely expressed on nonlymphoid tissues, B7-H3 costimulates proliferation of both CD4+ and CD8+ T cells. The ability of B7-H3 to stimulate Th1 and cytotoxic-T cell responses suggest that it may have antitumor activity. B7-H3 interactions may play a role in regulating cell-mediated immune responses against cancer, implicating B7-H3 as a potential therapeutic tool.
Key Feature
Clonality
Polyclonal
Isotype
IgG
Host Species
Rabbit
Tested Applications
WBIPIFELISA
recommended for detection of B7-H3 of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including canine and bovine
Species Reactivity
HumanMouseRat
Concentration
1mg/ml
Purification
Affinity purified
Target Information
Alternative Names
epitope corresponding to amino acids 166-465 mapping within an N-terminal extracellular domain of B7-H3 of human origin
Tissue Specificity
epitope corresponding to amino acids 166-465 mapping within an N-terminal extracellular domain of B7-H3 of human origin
Western blot analysis of B7-H3 expression in JAR (A) and JEG-3 (B) whole cell lysates.
Application
Western blot analysis of mouse recombinant B7-H3.
Application Notes
recommended for detection of B7-H3 of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including canine and bovine
Additional Information
Form
Liquid
Storage Instructions
For short-term storage, store at 4° C. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.