Effect of the Resistance Exercise-Induced Hormonal Changes on Satellite Cell Myogenic State

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Skeletal muscle satellite cells are important for muscle repairing and muscle mass growth. For a successful muscle regenerative process, satellite cells have to sequentially undergoing different stages of myogenic process, i.e. proliferative state and differentiation state. To support this process, the presence of different circulating factors, such as immune cells, cytokines, and hormones, at the appropriate time course is critical. Among these factors, hormones, such as testosterone, cortisol, and IGF-1, have shown to play an important role in satellite cell proliferation and differentiation. Studies investigated the effect of testosterone on satellite cell using a supraphysiological dose in human or in ... continued below

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Luk, Hui Ying May 2018.

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  • Luk, Hui Ying

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Skeletal muscle satellite cells are important for muscle repairing and muscle mass growth. For a successful muscle regenerative process, satellite cells have to sequentially undergoing different stages of myogenic process, i.e. proliferative state and differentiation state. To support this process, the presence of different circulating factors, such as immune cells, cytokines, and hormones, at the appropriate time course is critical. Among these factors, hormones, such as testosterone, cortisol, and IGF-1, have shown to play an important role in satellite cell proliferation and differentiation. Studies investigated the effect of testosterone on satellite cell using a supraphysiological dose in human or in cell culture demonstrated that testosterone is critical in satellite cell myogenic process. Due to the anabolic effect of testosterone on muscle, studies had been focused on the physiological means to increase the circulating testosterone concentration in the body to maximize the muscle mass growth from resistance exercise. The acute and transient increase in testosterone has shown to be beneficial to muscle mass growth and strength gain; however, this change in physiological testosterone concentration on satellite cell myogenesis is not known. Therefore the purpose of this dissertation is to first determine the effect of acute change in exercise-induced hormones on satellite cell myogenic state, then to determine if testosterone promotes satellite cell proliferation.

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  • May 2018

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  • June 6, 2018, 1:19 p.m.

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Luk, Hui Ying. Effect of the Resistance Exercise-Induced Hormonal Changes on Satellite Cell Myogenic State, dissertation, May 2018; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc1157528/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .