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USF Tampa Graduate Theses and Dissertations

Theses/Dissertations

Epigenetics

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Advanced Proteomic And Epigenetic Characterization Of Ethanol-Induced Microglial Activation, Jennifer Guergues Guergues Mar 2019

Advanced Proteomic And Epigenetic Characterization Of Ethanol-Induced Microglial Activation, Jennifer Guergues Guergues

USF Tampa Graduate Theses and Dissertations

Microglia, the resident immune cells of the brain, can exhibit a broad range of activation phenotypes and have been implicated in several diseases and disorders of the central nervous system. Here, we described a method optimized for sensitive and rapid quantitative proteomic analysis of microglia that involves suspension trapping (S-Trap) for efficient and reproducible protein extraction from a microglial cell count expected from an individual mouse brain (~300K) while also simultaneously providing the first comprehensive proteomic characterization of a novel adult-derived mouse microglial cell line. This enhanced method was used throughout all subsequent works and was especially necessary when we …


Investigating The Role Of The Chromosome 19 Microrna Cluster In Human Trophoblast Differentiation And Infantile Hemangioma, Ezinne Francess Mong Mar 2019

Investigating The Role Of The Chromosome 19 Microrna Cluster In Human Trophoblast Differentiation And Infantile Hemangioma, Ezinne Francess Mong

USF Tampa Graduate Theses and Dissertations

Trophoblast differentiation and invasion is essential for normal implantation and establishment of the maternal-fetal interface, which allows for proper nutrient exchange and support of the fetus. For this to occur, cytotrophoblasts must undergo an epithelial to mesenchymal transition and differentiate into migratory and invasive extravillous trophoblasts (EVTs) that invade the maternal decidua and myometrium. Trophoblast differentiation, migration and invasion is highly regulated by a complex network of signaling pathways, adhesion molecules and transcription factors and is important for the remodeling of maternal spiral arteries from low flow, high resistance to high flow, low resistance vessels to allow optimal perfusion of …


Investigation Of Alcohol-Induced Changes In Hepatic Histone Modifications Using Mass Spectrometry Based Proteomics, Crystina Leah Kriss Apr 2018

Investigation Of Alcohol-Induced Changes In Hepatic Histone Modifications Using Mass Spectrometry Based Proteomics, Crystina Leah Kriss

USF Tampa Graduate Theses and Dissertations

Alcohol liver disease (ALD) is a major health concern throughout the world. Currently, in the United States, 17 million people suffer from alcoholism, of which 1.4 million people are receiving treatment [1, 2]. The link between ethanol metabolism, reactive oxygen species (ROS) and liver injury in ALD has been well characterized over the last couple decades [3-10]. Ethanol metabolism relies on the availability of the cofactor NAD+ for the oxidation of ethanol into acetate, consequently causing alterations in redox potential. Redox dysfunction within the mitochondria can affect multiple pathways important in maintaining cellular homeostasis. Chapter 1 provides an introduction to …