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Life Sciences

Dissertations & Theses (Open Access)

Theses/Dissertations

2017

Cancer

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Computational Identification Of Noncoding Driver Mutations Based On Impact On Rna Processing, Kevin Zhu Dec 2017

Computational Identification Of Noncoding Driver Mutations Based On Impact On Rna Processing, Kevin Zhu

Dissertations & Theses (Open Access)

Despite the prevalence of mutations in the noncoding regions of the DNA, their effects on cancer development remain largely uninvestigated. This is especially evident when compared to coding mutations, which have been relatively well-studied and, in certain cases, been identified as driver mutations for cancer. Recent studies, however, have identified noncoding mutations that frequently appear in certain types of cancer, which may be evidence that those mutations are important to cancer development. Nonetheless, the role of noncoding mutations in cancer remains unclear. A potential vector for understanding this mechanism is through observing the relation between noncoding mutations and functional RNA …


Clinical And Therapeutic Significance Of Obesity In Melanoma, Jennifer L. Mcquade Aug 2017

Clinical And Therapeutic Significance Of Obesity In Melanoma, Jennifer L. Mcquade

Dissertations & Theses (Open Access)

While the FDA approval of targeted and immune therapies in metastatic melanoma (MM) have dramatically improved outcomes in this disease, de novo and/or acquired resistance can limit the clinical benefit of these agents. The IGF-1/PI3K/AKT pathway has been implicated in resistance to both targeted and immune therapy. The IGF-1/PI3K/AKT pathway has also been shown to play a key role in the pathogenesis of obesity in other malignancies. To date, the impact of energy balance on clinical outcomes and therapeutic response in MM has not been studied. I hypothesized that energy balance would impact the molecular biology, behavior, and drug sensitivity …


Peptide Vaccine Formulation Controls The Duration Of Antigen Presentation And Magnitude Of Tumor‐Specific Cd8+ T Cell Response, Hiep Khong May 2017

Peptide Vaccine Formulation Controls The Duration Of Antigen Presentation And Magnitude Of Tumor‐Specific Cd8+ T Cell Response, Hiep Khong

Dissertations & Theses (Open Access)

Despite remarkable progresses in vaccinology, therapeutic cancer vaccines have not achieved their full potential. We previously showed that the duration of antigen presentation critically affected the quantity and quality of T cell response and subsequent anti‐tumor efficacy. Here we describe L‐tyrosine amino acid‐based microparticles as a novel peptide vaccine adjuvant for the induction of tumor‐specific T cells. L‐tyrosine microparticles did not induce inflammasome activation, but instead extended antigen presentation time. The consequent prolongation in antigen presentation translated into prolonged T cell proliferation and superior numbers and anti‐tumor function of vaccination‐induced CD8+ T cells. Indeed, prolonging antigen presentation by repeated injection …