04-1501 | Anti-B7-H3 (CD276) Antibody, clone MJ8

04-1501
100 µg  
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      Overview

      Replacement Information

      Key Spec Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H, MWB, FC, IHCRPurifiedMonoclonal Antibody
      Description
      Catalogue Number04-1501
      DescriptionAnti-B7-H3 (CD276) Antibody, clone MJ8
      Alternate Names
      • B7 homolog 3
      • CD276 antigen
      • CD276 molecule
      • Costimulatory molecule
      Background InformationB7 homolog 3 (B7-H3 or CD276) is a costimulatory molecule belonging to the B7 family that signals through the CD28 family of molecules, including CD28, CTLA4 and ICOS. B7-H3 may be involved in the regulation of T-cell-mediated immune response and may play a protective role in tumor cells by inhibiting natural-killer mediated cell lysis, as well as a role of marker for detection of neuroblastoma cells. B7-H3 may also play a key role in providing the placenta and fetus with a suitable immunological environment throughout pregnancy. Both isoform 1 and isoform 2 appear to be redundant in their ability to modulate CD4 T-cell responses. Isoform 2 is shown to enhance the induction of cytotoxic T-cells and selectively stimulates interferon gamma production in the presence of T-cell receptor signaling. B7-H3 is ubiquitous but not detectable in peripheral blood lymphocytes or granulocytes, and it is weakly expressed in resting monocytes. B7-H3 is expressed in dendritic cells derived from monocytes, epithelial cells of sinonasal tissue, extravillous trophoblast cells and Hofbauer cells of the first trimester placenta and term placenta.
      References
      Product Information
      FormatPurified
      Control
      • Human placenta tissue lysate
      PresentationPurified rat monoclonal IgG2bκ in buffer containing 0.1 M Tris-Glycine (pH 7.4, 150 mM NaCl) with 0.05% sodium azide.
      Applications
      ApplicationDetect B7-H3 (CD276) using this Anti-B7-H3 (CD276) Antibody, clone MJ8 validated for use in WB, FC, IH.
      Key Applications
      • Western Blotting
      • Flow Cytometry
      • Immunohistochemistry
      Application NotesFlow Cytometry Analysis: A previous lot was used by an independent laboratory in FC (Osamu, N., et al., 2008).

      Immunochistochemistry Analysis: A previous lot was used by an independent laboratory in IH (Osamu, N., et al., 2008).
      Biological Information
      ImmunogenMouse B7-H3 Ig2a FC fusion protein, consisting of the extracellular domain linked to the Fc portion of mouse IgG2a.
      EpitopeExtracellular Domain
      CloneMJ8
      ConcentrationPlease refer to the Certificate of Analysis for the lot-specific concentration.
      HostRat
      SpecificityThis antibody recognizes the extracellular domain of B7-H3 (CD276).
      IsotypeIgG2bκ
      Species Reactivity
      • Human
      • Mouse
      Species Reactivity NoteDemonstrated to react with human.
      Predicted to react with mouse based on 100% sequence homology.
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • CD276
      • 4Ig-B7-H3
      • B7-H3
      • B7H3
      Purification MethodProtein G Purified
      UniProt Number
      UniProt SummaryFUNCTION: Modulates T-cell-mediated immune responses and the development of acute and chronic transplant rejection. Play a positive regulatory role in bone formation and has a dual role in the bone-immune interface. Induces antitumor immunity as it activates both acquired and innate immunity leading to natural killer cell and CD8 T-cell dependent killing of tumor cells.

      SUBUNIT STRUCTURE: Interacts with TREML2 and this interaction enhances T-cell activation By similarity.

      SUBCELLULAR LOCATION: Membrane; Single-pass type I membrane protein Probable.

      TISSUE SPECIFICITY: Ubiquitous.

      DEVELOPMENTAL STAGE: Highly expressed in developing bones during embryogenesis and expression increases as osteoblast precursor cells differentiate into mature osteoblasts.

      INDUCTION: Up-regulated in cells mediating rejection of mouse transplant.

      DISRUPTION PHENOTYPE: Mice display a lower bone mineral density in cortical bones with femurs more susceptible to bone fracture, but do not exhibit any important skeletal abnormalities. Calvarial cells reveal normal number of osteoblast precursor cells with adequate proliferative capacity, but have impaired osteogenic differentiation. Furthermore, following cardiac transplantation, they display permanent survival under rapamycin regimen and cardiac transplants also show markedly decreased production of key cytokine and chemokine. The incidence of chronic transplant rejection is also inhibited. Mice also develop more severe airway inflammation and experimental autoimmune encephalomyelitis earlier than wild-type littermates as well as accumulate higher concentrations of autoantibodies to DNA.

      MISCELLANEOUS: Gene transfer of B7-H3 leads to complete regression of 50 per cent tumors, or significantly slows tumor growth.

      In primates, B7-H3 locus underwent genomic duplication leading to tandemly repeated immunoglobulin-like V and C domains (VC domains). The dominantly expressed human B7-H3 isoform contains tandemly duplicated VC domains. In contrast, mouse B7-H3 transcript contains only one single VC domain form due to an exon structure corresponding to V domain-(pseudoexon C)-(pseudoexon V)-C domain. This duplication appearing in primates is suggested to be very recent supporting a model of multiple independent emergence of tandem VC repeats within human and monkey species.

      SEQUENCE SIMILARITIES: Belongs to the immunoglobulin superfamily. BTN/MOG family.

      Contains 1 Ig-like C2-type (immunoglobulin-like) domain.

      Contains 1 Ig-like V-type (immunoglobulin-like) domain.
      Molecular Weight~31 kDa observed molecular weight on human lysates corresponds to isoform 2 of B7-H3.
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blot in human placenta tissue lysate.

      Western Blot Analysis: 0.25 µg/mL of this antibody detected BN-H3 on 10 µg of human placenta tissue lysate.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 µg
      Transport Information
      Supplemental Information
      Specifications