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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Dissertations (MU)
    • 2009 Dissertations (MU)
    • 2009 MU dissertations - Freely available online
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    Inactivation of protein tyrosine phosphatases by endogenous and dietary agents

    Seiner, Derrick R., 1981-
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    Date
    2009
    Format
    Thesis
    Metadata
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    Abstract
    Protein tyrosine phosphatases are a class of enzymes that control a number of critical signaling pathways inside cells. We have discovered a number of dietary and endogenous agents that are capable of modifying these enzymes, and therefore disrupting signaling pathways inside cells. It is possible that these small molecules are exerting their widely reported biological effect by the modification of protein tyrosine phosphatase activity. This information is critical to our understanding of dietary effect on diseases like diabetes and cancer. In addition to this work, we have explored the chemistry of the most common DNA lesion, the abasic site. We have found it is capable of producing an interstrand crosslink in duplex DNA, when placed in the right sequence context. This work significantly expands our understanding of the toxicity of abasic sites to cells. Furthermore, this work may result in developing novel treatment strategies for cancer.
    URI
    https://hdl.handle.net/10355/6135
    https://doi.org/10.32469/10355/6135
    Degree
    Ph. D.
    Thesis Department
    Chemistry (MU)
    Rights
    OpenAccess.
    This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
    Collections
    • Chemistry electronic theses and dissertations (MU)
    • 2009 MU dissertations - Freely available online

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