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Articles 1 - 7 of 7
Full-Text Articles in Medical Genetics
Using Genetically Diverse Mice To Examine The Effects Of Environmental Enrichment Of The Transcriptome, Michael Richard Leonardo
Using Genetically Diverse Mice To Examine The Effects Of Environmental Enrichment Of The Transcriptome, Michael Richard Leonardo
Theses, Dissertations and Capstones
Environmental impoverishment is a model of early life stress with direct consequences across a wide range of neurological and physiological conditions. Neuron morphology and density as well as anxiety disorders and addiction have shown to have significant relationships with environmental impoverishment models. Conversely, environmental enrichment confers therapeutic benefits that are protective across these conditions. There is an observed spectrum of resistance or vulnerability to the effects of housing conditions across populations, indicating genetics as an influential factor. Understanding this interaction is critical for deepening our knowledge of how genes and environment interact in ways that confer resistance or vulnerability, and …
In Vivo Evaluation Of Novel Nanoparticles And Repurposed Pharmaceuticals To Combat Antimicrobial Resistance, Sarah E. Evans
In Vivo Evaluation Of Novel Nanoparticles And Repurposed Pharmaceuticals To Combat Antimicrobial Resistance, Sarah E. Evans
Theses, Dissertations and Capstones
In a 2019 report by the Centers for Disease Control and Prevention (CDC), infections resistant to antibiotic treatment amount to about three million infections and 48,000 deaths. Antimicrobial resistance is an escalating global threat as existing antibiotics lose efficacy over time. The project described is focused on partnering with pharmaceutical researchers and producers to test new nanoparticle-based or repurposed compounds. The central hypothesis of this thesis is that pharmaceutical formulations such as nanoparticles may provide a cost-effective means of combating the emerging antimicrobial resistance. The nanoparticle compounds allowed for a wide range of customization for the pharmaceutical design, since the …
Interplay Between Genetic Predisposition And Diet In Advancing Obesity And Type 2 Diabetes In The Tallyho Mouse, Jacaline Parkman
Interplay Between Genetic Predisposition And Diet In Advancing Obesity And Type 2 Diabetes In The Tallyho Mouse, Jacaline Parkman
Theses, Dissertations and Capstones
Obesity is a global epidemic, affecting all ages. It is one of the leading causes of preventable death, as it increases the risk of type 2 diabetes (T2D), hypertension, cardiovascular disease, nonalcoholic fatty liver disease, and some cancers. Obesity is a complex disease that is caused by a combination of genetic and environmental factors such as diets high in fat and sedentary life style. Despite our increased knowledge of obesity development and progression, current obesity treatments have not stopped the rise in obesity rates. There are still many unknowns related to the underlying mechanisms of obesity that need to be …
Understanding Pseudomonas Aeruginosa Alginate Regulation And Its Link To Chronic Lung Infections In Cystic Fibrosis Patients, Roy Al Ahmar
Understanding Pseudomonas Aeruginosa Alginate Regulation And Its Link To Chronic Lung Infections In Cystic Fibrosis Patients, Roy Al Ahmar
Theses, Dissertations and Capstones
Cystic Fibrosis (CF) is a genetic disorder caused by mutations in the gene encoding Cystic Fibrosis Transmembrane Conductance Regulator (CFTR). This disorder results in thick lung secretions which compromise the patient’s immune system. Chronic lung infections with Pseudomonas aeruginosa biofilms is a major factor that contributes to poor outcome for clinical treatment. The overall hypothesis of this dissertation is that small colony variant and pyrimidine biosynthesis are linked with biofilm formation, alginate production is dependent on MucA proteolysis, rifaximin can be repurposed to treat biofilm infection and multiplex PCR can be used to rapidly measure the bacterial cell density in …
Identification And Characterization Of Novel Sir3/Mecp2-Chromatin Interactions, Nicholas L. Adkins
Identification And Characterization Of Novel Sir3/Mecp2-Chromatin Interactions, Nicholas L. Adkins
Theses, Dissertations and Capstones
The eukaryotic genome is packaged into chromosomes that are made up of a highly organized and heavily regulated structure called chromatin. The proteins involved in the compaction of DNA into this condensed state are mostly understood at the level of the structure of the nucleosome. The higher order arrangement of chromatin and how it effects gene regulation is only partially understood and characterized. The compaction of nucleosomal arrays into 30-nm and higher structures are partially the responsibility of architectural, or structural, chromatin associated proteins. The following dissertation analyzes the individual chromatin contributions of two well studied architectural proteins, the yeast …
Effect Of Dna Base Modification On Polymerase Chain Reaction Efficiency And Fidelity, Jan A. Sikorsky
Effect Of Dna Base Modification On Polymerase Chain Reaction Efficiency And Fidelity, Jan A. Sikorsky
Theses, Dissertations and Capstones
Polymerase stop assays, used to quantify DNA damage, assume single lesions are sufficient to block thermostable DNA polymerase progression. To explore this assumption, 90 base oligonucleotides containing normal or modified DNA bases were amplified using real-time PCR. Data implied that the PCR efficiency was influenced to differing degrees depending on which base lesion was present on the input oligonucleotide; specifically, while reactions with templates containing a single 8-oxo-7,8-dihydro-2í-deoxyguanosine (8-oxodG) were not noticeably altered, the presence of a single 8-oxo-7,8-dihydro-2í-deoxyadenosine, an abasic site, or a cis-syn thymidine dimer (TT dimer) dramatically delayed amplification. In addition, the presence of two tandem 8-oxodGs …
The Genetic And Molecular Characterization Of The Polycystic Kidney Disease-Causing Mouse Gene Bicc1, Sarah J. Price
The Genetic And Molecular Characterization Of The Polycystic Kidney Disease-Causing Mouse Gene Bicc1, Sarah J. Price
Theses, Dissertations and Capstones
Polycystic kidney disease (PKD) is one of the most common hereditary diseases and is characterized by progressive cyst formation, substantial renal enlargement, and frequently, progression to end-stage renal disease. One way to learn more about the etiology of this disease is to study mouse models that imitate the human situation. The juvenile congenital polycystic kidney disease (jcpk) gene on mouse Chromosome 10 has been found to cause a severe, early onset form of PKD when inherited in an autosomal recessive manner (Flaherty et al., 1995). Previous genetic studies mapped the jcpk locus to a 1 cM region on mouse Chromosome …