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Theses/Dissertations

2013

Biology

Western University

Aging

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Subcellular Analysis Of The Disulfide Proteome In P66shc Expressing Nerve Cells, Tyler Cann Jan 2013

Subcellular Analysis Of The Disulfide Proteome In P66shc Expressing Nerve Cells, Tyler Cann

Electronic Thesis and Dissertation Repository

The longevity associated protein p66Shc has been suggested to regulate organismal lifespan through initiation of apoptotic pathways. Following stress-induced translocation into the mitochondria, p66Shc promotes increased reactive oxygen species (ROS) production and triggers poorly defined downstream signaling events that lead to decreased cell viability. Protein disulfide bonding has recently emerged as aROSdependent post-translational modification that regulates protein function and signaling processes. Using the mouse hippocampal HT-22 cell line, I sought to determine the changes in the disulfide proteome associated with p66Shc mediatedROSproduction. Through Redox 2D-SDSPAGEanalysis of mitochondrial and cytosolic extracts, redox sensitive proteins altered by p66Shc mediatedROSformation were identified. Of ...