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Life Sciences

Theses & Dissertations

Theses/Dissertations

2016

Breast cancer

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The Role Of Ada3 Overexpression In Proliferation Through Enhancing Myc Expression, Nicolas I. Griffin May 2016

The Role Of Ada3 Overexpression In Proliferation Through Enhancing Myc Expression, Nicolas I. Griffin

Theses & Dissertations

Breast cancer is a heterogeneous disease that is the second leading cause of cancer related deaths in women. Cancer is defined as abnormally heightened proliferation. In order for gene transcription and eventual translation to occur to drive the cell cycle to generate more cells, DNA must be uncoiled from nucleosomes by histone acetylation complexes. One of the key evolutionarily conserved components of these HAT complexes is alteration/deficiency in activation 3 (ADA3). In addition to the role in histone acetylation, this protein also functions as a coactivator for nuclear hormone receptors. Recent findings indicated that nuclear Ada3 correlates with ER+ breast …


Role Of Ecdysoneless In Erbb2/Her2 Mediated Breast Oncogenesis, Shalis A. Ammons May 2016

Role Of Ecdysoneless In Erbb2/Her2 Mediated Breast Oncogenesis, Shalis A. Ammons

Theses & Dissertations

Breast cancer is the second leading cause of cancer related deaths in women in the United States. The human Epidermal Growth Factor 2 (ErbB2) gene amplification and/or receptor overexpression subtype of breast cancer accounts for 25% of all breast cancers. A crucial regulator of the ErbB2 signaling pathway is the heat shock protein 90 (Hsp90) and its interacting protein complex. One such complex is the R2TP/Prefoldin-like complex that is composed of four proteins, RUVBL1, RUVBL2, PIH1D1, and RPAP3 and seven prefoldin-like proteins. This complex has been shown to be involved in telomere elongation, ribosome biogenesis, protein stability; etc. We and …


Role Of Cell Type And Genetic Alterations In Driving Breast Cancer Pathogenesis, Divya Bhagirath May 2016

Role Of Cell Type And Genetic Alterations In Driving Breast Cancer Pathogenesis, Divya Bhagirath

Theses & Dissertations

Breast cancer is the second most leading cause of death among women in the United States. Several environmental and genetic factors contribute to the pathogenesis of the disease. It is classified into different subtypes based on expression of certain markers as well as that of set of genes that define the disease progression and associated mortality. Identification of various subtypes namely: Luminal-like (Luminal-A, Luminal-B), ErbB2 over-expressing, Basal-like and Claudin low types, showed an association of survival outcomes with that of the corresponding gene expression signatures, thus paving a way for therapeutic intervention. It further emphasizes the importance of nature of …


Restriction Enzyme Generated Next-Generation Sequencing Libraries And Genetic Risk Modifiers Of Brca1 Mutation Carriers, Bradley Downs May 2016

Restriction Enzyme Generated Next-Generation Sequencing Libraries And Genetic Risk Modifiers Of Brca1 Mutation Carriers, Bradley Downs

Theses & Dissertations

Next-generation sequencing (NGS) is a high throughput technique used to sequence large amounts of DNA in a short amount of time. However, a limitation to NGS is that the generated data is in a single consensus sequence without distinguishing between variants on homologous chromosomes. Separating or phasing the variants from the maternal and paternal chromosomes can provide information about the genetic origin of disease and information about how DNA nucleotide alterations interact in cis. This dissertation explores a new technical method of using restriction enzymes during NGS library preparation and its ability to increase the amount of phasing information that …