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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Dna Methylation Associated With Postpartum Depressive Symptoms Overlaps Findings From A Genome-Wide Association Meta-Analysis Of Depression, Dana M. Lapato, Roxann Roberson-Nay, Robert M. Kirkpatrick, Bradley T. Webb, Timothy P. York, Patricia A. Kinser
Dna Methylation Associated With Postpartum Depressive Symptoms Overlaps Findings From A Genome-Wide Association Meta-Analysis Of Depression, Dana M. Lapato, Roxann Roberson-Nay, Robert M. Kirkpatrick, Bradley T. Webb, Timothy P. York, Patricia A. Kinser
Human and Molecular Genetics Publications
Background Perinatal depressive symptoms have been linked to adverse maternal and infant health outcomes. The etiology associated with perinatal depressive psychopathology is poorly understood, but accumulating evidence suggests that understanding inter-individual differences in DNA methylation (DNAm) patterning may provide insight regarding the genomic regions salient to the risk liability of perinatal depressive psychopathology.
Results Genome-wide DNAm was measured in maternal peripheral blood using the Infinium MethylationEPIC microarray. Ninety-two participants (46% African-American) had DNAm samples that passed all quality control metrics, and all participants were within 7 months of delivery. Linear models were constructed to identify differentially methylated sites and regions, …
Aeg-1 Knockout Sensitizes Hepatocellular Carcinoma (Hcc) Cells To Ionizing Radiation, Maheen Khan
Aeg-1 Knockout Sensitizes Hepatocellular Carcinoma (Hcc) Cells To Ionizing Radiation, Maheen Khan
Theses and Dissertations
Liver cancer is the fourth leading cause of cancer-associated deaths globally, and among primary liver cancers, hepatocellular carcinoma (HCC) encompasses 75-85% of all cases. HCC is a highly lethal disease due to limited treatment options – only a small subset of patients qualify for surgical resection or transplantation; the remaining patients often display resistance to radiation therapy or chemotherapy. Overexpression of the oncogene astrocyte elevated gene-1 (AEG-1) is associated with poorer survival and increased tumor recurrence in HCC, and numerous studies show its role in initiation of hepatocarcinogenesis. A prior study also demonstrated AEG-1 expression inhibits senescence by diminishing the …
Genome-Wide Systems Genetics Of Alcohol Consumption And Dependence, Kristin Mignogna
Genome-Wide Systems Genetics Of Alcohol Consumption And Dependence, Kristin Mignogna
Theses and Dissertations
Widely effective treatment for alcohol use disorder is not yet available, because the exact biological mechanisms that underlie this disorder are not completely understood. One way to gain a better understanding of these mechanisms is to examine the genetic frameworks that contribute to the risk for developing this disorder. This dissertation examines genetic association data in combination with gene expression networks in the brain to identify functional groups of genes associated with alcohol consumption and dependence.
The first study took advantage of the behavioral complexity of human samples, and experimental capabilities provided by mouse models, by co-analyzing gene expression networks …
Genetic And Environmental Factors Influence Drosophila Ethanol Sedation, Rebecca E. Schmitt
Genetic And Environmental Factors Influence Drosophila Ethanol Sedation, Rebecca E. Schmitt
Theses and Dissertations
Alcohol use disorder is a global health issue that affects a significant portion of the population, with affects including both negative mental and physical consequences. Currently, there are few treatment options available to those who suffer from alcohol use disorder, alcohol abuse, or alcohol dependence. Identifying candidate genes or environmental influences would therefore improve the means for possible treatments or identification of those people at risk for alcohol use disorder. Previous studies in humans have demonstrated an inverse association between initial sensitivity and risk for alcohol abuse. This connection allows investigators, and our laboratory, to investigate genetic and environmental factors …
Phenotypic Characterization Of Pnpase Mutation And Overexpression In C. Elegans, Brian J. Hur
Phenotypic Characterization Of Pnpase Mutation And Overexpression In C. Elegans, Brian J. Hur
Theses and Dissertations
PNPase, polynucleotide phosphorylase, is a multifunctional exoribonuclease protein with 3` terminal oligonucleotide polymerase activity. Coded by the PNPT1 gene, the protein is associated with mitochondrial homeostasis and functions as a possible target for cancer therapy. In this study, C. elegans was used to investigate the effect of mutation and overexpression of pnpt-1, the gene that encodes PNPase. It was determined that two specific mutations in pnpt-1 did not affect PNPase expression nor did they produce deleterious phenotypes that affected polycistronic transcript accumulation or ROS production. Creation of a stable overexpression model was achieved through Fusion PCR. However, different transgenic …
Regulation Of Cancer-Specific Mirnas By Mda-7/Il-24, Danielle Scheunemann
Regulation Of Cancer-Specific Mirnas By Mda-7/Il-24, Danielle Scheunemann
Theses and Dissertations
Melanoma differentiation associated gene 7/Interleukin-24 (MDA-7/IL-24) is a secreted cytokine which acts as a tumor suppressor. It is capable of selectively killing cancer cells, regardless of anatomic origin, while sparing normal cells. miRNAs are master regulators of gene expression that can play two roles in cancer: tumor-suppression and oncogenesis. We identified a number of miRNAs that are regulated by MDA-7/IL-24 using a PCR plate array containing probes for miRNAs known to play a role in prostate cancer. We independently validated the array with qRT-PCR to identify three miRNAs which are downregulated by MDA-7/IL-24 treatment in DU145, PC3, and PC3ML prostate …