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Potential Role Of The Large Protein Titin In The Development Of Heart Failure, Mary M. Prickett Apr 2020

Potential Role Of The Large Protein Titin In The Development Of Heart Failure, Mary M. Prickett

Senior Theses

I will be exploring the impact of the large protein Titin on heart failure with a preserved ejection fraction (HFpEF). It was hypothesized that myocardial Titin plays a significant role in the progression of HFpEF through isoform, N2BA and N2B, changes. It was hypothesized that an increase in the quantity of N2B Titin, less compliant, and a decrease in N2BA Titin, more compliant, will be observed as HF progresses, contributing to an increase in passive stiffness involved in heart contraction. I will cover a detailed report on the role of Titin in HFpEF and propose research methods to explore further.


Obese Zucker Rats As A Reverse Translational Model Of Human Left Ventricular Hypertrophy, Mackenzie Shelby Newman Jan 2020

Obese Zucker Rats As A Reverse Translational Model Of Human Left Ventricular Hypertrophy, Mackenzie Shelby Newman

Graduate Theses, Dissertations, and Problem Reports

Heart failure is a lifelong disability that for over half of those affected leads to mortality within five years after initial diagnosis. Left ventricular hypertrophy (LVH) is one of the most reliable independent predictors of heart failure. Pathological LVH is irreversible, but early diagnosis is often missed due to its asymptomatic nature. Obese Zucker rats (OZR), which develop obesity due to dysfunctional leptin signaling, naturally exhibit a LVH that mimics the obese human condition. Animal models are necessary because human donor tissue is scarce. The central hypothesis is that genes and proteins that are differentially expressed during development of LVH, …