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    Identification of Novel Small Molecule Inhibitors (SMI) of YAP/TAZ Oncoproteins in Breast Cancer Using HiBiT Bioluminescent Biosensors

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    Wu, Liqing
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    Abstract
    Breast cancer (BC) is the most frequently diagnosed cancer among females, accounting for 25% of all cancer cases worldwide. Among all the subtypes of BC, triple negative breast cancer (TNBC) is considered one of the most-deadly killers in the world, characterized by its increasing incidence and poor prognosis, which demands improved targeted therapy urgently. Recently the Hippo signaling pathway has emerged as an important cellular network mediating tumorigenesis, drug resistance and cancer metastasis. Current evidence indicates that the core Hippo components YAP and its paralog TAZ are involved in the tumorigenesis and metastasis of TNBC. Therefore, targeting YAP/TAZ may be a promising strategy for TNBC therapy. However, few YAP/TAZ-targeted drugs have been identified and no YAP/TAZ-targeted drug has been used for clinical cancer treatment.

    In my thesis project, I hypothesize that the Hippo pathway, especially the Hippo output mediators YAP/TAZ can play a central role in the development, metastasis, drug resistance of TNBC; and are therefore potential “druggable” targets for TNBC therapy. To test this hypothesis, the following specific objectives will be carried out:

    1. Establishment of HiBiT-tagged YAP/TAZ bioluminescent biosensors in monitoring YAP/TAZ levels in cells

    2. Screen for small molecules regulating the stability of YAP/TAZ in TNBC cells

    3. Characterization of small molecules targeting YAP/TAZ in TNBC cells
    URI for this record
    http://hdl.handle.net/1974/28093
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    • Department of Pathology and Molecular Medicine Graduate Theses
    • Queen's Graduate Theses and Dissertations
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