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      1. Author :
        Giubellino, Alessio; Gao, Yang; Lee, Sunmin; Lee, Min-Jung; Vasselli, James R; Medepalli, Sampath; Trepel, Jane B; Burke, Terrence R, Jr; Bottaro, Donald P
      2. Title :
      3. Type :
        Journal Article
      4. Year :
      5. Publication :
        Cancer research
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      10. Research Area :
      11. Keywords :
        Animals; Bioware; Cell Line, Tumor; Cell Movement; Cell Proliferation; Gene Expression Regulation, Neoplastic; GRB2 Adaptor Protein; Humans; Mice; Mice, SCID; Microscopy, Fluorescence; Neoplasm Metastasis; Neoplasm Transplantation; PC-3M-luc; Protein Binding; Protein Structure, Tertiary; Tetrazolium Salts; Thiazoles
      12. Abstract :
        Metastasis, the primary cause of death in most forms of cancer, is a multistep process whereby cells from the primary tumor spread systemically and colonize distant new sites. Blocking critical steps in this process could potentially inhibit tumor metastasis and dramatically improve cancer survival rates; however, our understanding of metastasis at the molecular level is still rudimentary. Growth factor receptor binding protein 2 (Grb2) is a widely expressed adapter protein with roles in epithelial cell growth and morphogenesis, as well as angiogenesis, making it a logical target for anticancer drug development. We have previously shown that a potent antagonist of Grb2 Src homology-2 domain-binding, C90, blocks growth factor-driven cell motility in vitro and angiogenesis in vivo. We now report that C90 inhibits metastasis in vivo in two aggressive tumor models, without affecting primary tumor growth rate. These results support the potential efficacy of this compound in reducing the metastatic spread of primary solid tumors and establish a critical role for Grb2 Src homology-2 domain-mediated interactions in this process.
      13. URL :
      14. Call Number :
        PKI @ catherine.lautenschlager @
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