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The Role Of The St6gal-I Sialyltrasferase In Protecting Tumor Cells From Hypoxic Stress, Robert Brent Jones
The Role Of The St6gal-I Sialyltrasferase In Protecting Tumor Cells From Hypoxic Stress, Robert Brent Jones
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An emerging concept in cancer biology is that surface glycosylation can play important roles in the regulation of cancer development and progression. Our group and others have shown that ST6Gal-I, a sialyltransferase that adds α2-6-linked sialic acids to N-glycosylated proteins, is upregulated in many cancers. Furthermore, data has indicated that ST6Gal-I acts as a pro-survival factor in a variety of settings, including resistance to chemotherapeutic drugs, radiotherapy resistance, and serum deprivation. The work presented in this dissertation adds to this understanding of ST6Gal-I’s role as a potent pro-survival factor and explores ST6Gal-I’s function in aiding tumor cells to survive hypoxic …