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Alara Weitkamp

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Testing the Effects of Heat Shock to Cardiomyocytes with and without the Hikeshi V54L Mutation

Often, doctors do not know whether death is caused by brain failure or heart failure. To explore this question, I will expose pluripotent stem cell-derived heart muscle cells (cardiomyocytes) to heat shock stress to see how they respond. I will then compare that response to cardiomyocytes with the Hikeshi V54L mutation. The Hikeshi V54L mutation is associated with the absence of a nuclear heat shock protein (HSP70). HSP70 protects cells from stress-induced injury by inhibiting apoptosis (programmed cell death). The essential guiding question I will pursue is: Are cardiomyocytes with Hikeshi V54L mutation more susceptible to heat shock compared to cardiomyocytes without the Hikeshi V54L mutation. If they are more susceptible, death would be caused by heart failure. I plan to gather this data in a laboratory at Vanderbilt University Medical Center, working with Dr. Kevin Ess, MD, PhD.

Sponsor: Christopher Thompson
Foundational Coursework: AP Biology, Biology Honors