Sunya Akhter

STAR Scholars Abstract

STAR 2016 Alterations in DLG Expression in Drosophila Neurodegenerative Brain

  • February 6, 2018 at 4:02 PM
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Neurodegeneration encompasses the loss of structure and function of neurons and eventual neuronal cell death. Currently the most common type of neurodegenerative disease is Alzheimer’s Disease (AD). Neuronal damage and associated gene misregulation have strong effects on cognitive function. To maintain proper cognitive functions epigenetic modifiers such as histone acetyltransferases (HATs) play a significant role. HATs acetylate lysine amino acids on histone proteins, which leads to the transcriptional activation of genes. Tip60 is one such important HAT that has been extensively studied by our lab. It has been associated with various neurodegenerative disorders, including AD. Tip60 has been shown to play a crucial role in regulating expression of essential cognition-associated genes, which are misregulated in AD brain. One such gene is Discs Large (DLG), a synapse-associated scaffolding protein.
Misregulation of this gene has been associated with defects in cognitive functions. This project investigates the presence of DLG in drosophila brains through the utilization of immunostaining, an antibody-based process that allows for the detection of a specific protein. We will test the changes in expression of DLG in our APP fly brain as well as APP flies with excess Tip60. This research can provide a better understanding of how alterations in gene expression contribute to neurodegenerative disorders and the neuroprotective role of excess Tip60 under such conditions.