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Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Medical Sciences

Virginia Commonwealth University

2013

Microarray

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Full-Text Articles in Medicine and Health Sciences

Analyzing The Functions Of Human Polynucleotide Phosphorylase (Hpnpaseold-35), Upneet K. Sokhi Nov 2013

Analyzing The Functions Of Human Polynucleotide Phosphorylase (Hpnpaseold-35), Upneet K. Sokhi

Theses and Dissertations

RNA degradation plays a fundamental role in maintaining cellular homeostasis, along with being a part of normal regulatory mechanisms, whether it occurs as a surveillance mechanism eliminating aberrant mRNAs or during RNA processing to generate mature transcripts. 3’-5’ exoribonucleases are essential mediators of RNA decay pathways, and one such evolutionarily conserved enzyme is polynucleotide phosphorylase (PNPase). The human homologue of this fascinating enzymatic protein (hPNPaseold-35) was cloned a decade ago in the context of terminal differentiation and senescence through a novel ‘overlapping pathway screening’ approach. Since then, significant insights have been garnered about this exoribonuclease and its repertoire of expanding …


Identification And Characterization Of Ethanol Responsive Genes In Acute Ethanol Behaviors In Caenorhabditis Elegans, Joseph Alaimo Jul 2013

Identification And Characterization Of Ethanol Responsive Genes In Acute Ethanol Behaviors In Caenorhabditis Elegans, Joseph Alaimo

Theses and Dissertations

Alcohol abuse and dependence are complex disorders that are influenced by many genetic and environmental factors. Acute behavioral responses to ethanol have predictive value for determining an individual’s long-term susceptibility to alcohol abuse and dependence. These behavioral responses are strongly influenced by genetics. Here, we have explored the role of genetic influences on acute behavioral responses to ethanol using the nematode worm, Caenorhabditis elegans. First, we explored the role of ethanol metabolism in acute behavior responses to ethanol. Natural variation in human ethanol metabolism machinery is one of the most reported and reproducible associations found to alter drinking behavior. Ethanol …