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Toward Controlling Cardiac Tissue Pacing Using Modified Mrna, Yicheng Zhao
Toward Controlling Cardiac Tissue Pacing Using Modified Mrna, Yicheng Zhao
McKelvey School of Engineering Theses & Dissertations
Arrhythmia is a common heart disease that happens when the heart is beating too fast, too slow, or irregularly. To study the mechanisms and treatments of this disease, it is important to acutely control the beating rate of the model as it will help distinguish the contribution of different potassium currents and drug-induced action potential in cardiomyocytes. The current method of tissue pacing, electrical pacing, causes contamination and corrosive damage to tissues, thus the tissues fail to be used repeatedly or in future studies. In this study, red-shifted channelrhodopsin (ReaChR) is applied as a non-chemical means to control the beating …