Background: Grb7 is an adaptor protein that interacts with epidermal growth factor receptor (EGFR) and ephrin receptors. It plays a role in the integrin signaling pathway and cell migration by binding with focal adhesion kinase (FAK). Grb7 gene is commonly co-amplified (present in excess copies) in breast cancers. Grb7 is over-expressed in testicular germ cell tumors, esophageal cancers, and gastric cancers. There are clues that it involved in cell migration and metastatic progression of human esophageal carcinomas.
Species Reactivity: Recognizes GRB7 of vertebrates.
Storage Conditions: Store at -20°C. Avoid freeze / thaw cycles
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Western blot:
Western blot analysis of recombinant GRB7 protein. Purified His-tagged GRB7 protein was blotted with anti GRB7 mouse monoclonal antibody (Cat. #26133).
Immunohistochemistry:
Immunohistochemical analysis of paraffin-embedded human breast cancer tissue with anti GRB7 monoclonal antibody (Cat. #26133). Tissue samples were fixed with formaldehyde and blocked with 1% serum for 15 min at 37 °C. Antigen retrieval was by heat mediation in citrate buffer (pH6). Samples were then incubated with primary antibody (1:50 dilution) overnight at 4°C. A HRP-conjugated Goat anti-mouse IgG (1:50 dilution) was used as secondary antibody.