FUNCTIONAL ANALYSIS OF IGF-BINDING PROTEIN-2 MOLECULAR INTERACTIONS IN EARLY DEVELOPMENT AND DISEASE

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Early development involves complex regulation of cell and organ growth. Cell migration and invasion are critical components of epithelial-mesenchymal transition (EMT) essential for early developmental, as well as injury repair and cancer. Common to these events is a highly expressed protein, insulin-like growth factor binding protein-2 (IGFBP-2), which appears to play a critical role in regulating the processes of cell migration and invasion. The underlying mechanisms of cellular regulation by IGFBP-2 are major focus of this proposal, which brings together four major groups focussed on early development, neural injury repair, and cancer biology. We will use a range of in vitro and in vivo approaches to determine the underlying mechanisms of action of this critical protein. This project has the potential to point to novel therapeutic modalities in development, repair and cancer.