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University of Kentucky

Aging

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Molecular Mechanisms Of Olfactory Neurodegeneration, Radhika Anand Vaishnav Jan 2007

Molecular Mechanisms Of Olfactory Neurodegeneration, Radhika Anand Vaishnav

University of Kentucky Doctoral Dissertations

Olfactory sensory decline has been associated with normal aging as well as neurodegenerative disorders, yet the underlying mechanisms are unclear. The overall aim of this dissertation was to investigate the fundamental molecular and cellular mechanisms associated with olfactory neurodegeneration. This investigation uses an integrative approach, combining proteomics and gene expression analyses with cellular and tissuelevel characterization. Using these approaches, two model systems were investigated: 1) normally aging C57BL/6 mice of ages 1.5-, 6- and 20-months; and 2) a mouse model of elevated endogenous oxidative stress-associated neurodegeneration, namely, the Harlequin mutant mouse. The first specific aim was to test the hypothesis …