Browsing Scholarly Projects 2012 by Subjects
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Modulation of Alzheimer’s Disease related APP Trafficking via Protein Kinase CChronic phorbol ester treatment treatment of a neuroblastoma cell line, SH-SY5Y, was hypothesized to induce alterations in APP expression and trafficking such that the holoprotein will increasingly localize to mitochondria. Fluorescent immunocytochemistry and confocal microscopy was used primarily to visualize co-localization of Amyloid precursor protein (APP) to Translocase complex of the outer mitochondrial membrane (TOMM machinery) on the mitochondria. Co-localization experiments were inconclusive in showing that chronic phorbol 12-myristate 13- acetate (PMA) treatment affects APP trafficking to mitochondria. Due to those results, mitochondrial gradient fractionation experiments and subsequent western blots were started to determine if there was increased APP expression at the mitochondrial membrane and if protein kinase C (PKC) was activated by chronic PMA treatment.