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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Insights Into The Therapeutic Potential Of Salt Inducible Kinase 1: A Novel Mechanism Of Metabolic Control, Randi Fitzgibbon Dec 2017

Insights Into The Therapeutic Potential Of Salt Inducible Kinase 1: A Novel Mechanism Of Metabolic Control, Randi Fitzgibbon

UT GSBS Dissertations and Theses (Open Access)

Salt inducible kinase 1 (SIK1) has been considered a stress-inducible kinase since it was first cloned in 1999. Continued efforts since this time have been dedicated to characterizing the structure and function of SIK1. Such research has laid the ground work for our understanding of SIK1 action and regulation in tissue and stimuli dependent manners. The fundamental findings of this dissertation continue in this tradition and include investigations of SIK1 regulatory mechanisms in skeletal muscle cells, the cellular and physiological effects of SIK1 loss of function in vitro and in vivo, and intracellular metabolic and mitochondrial regulation by this kinase ...


Role Of Protein Kinase Map4k4 In Energy Metabolism: A Dissertation, Laura V. Danai Apr 2015

Role Of Protein Kinase Map4k4 In Energy Metabolism: A Dissertation, Laura V. Danai

GSBS Dissertations and Theses

Systemic glucose regulation is essential for human survival as low or chronically high glucose levels can be detrimental to the health of an individual. Glucose levels are highly regulated via inter-organ communication networks that alter metabolic function to maintain euglycemia. For example, when nutrient levels are low, pancreatic α-cells secrete glucagon, which signals to the liver to promote glycogen breakdown and glucose production. In times of excess nutrient intake, pancreatic β-cells release insulin. Insulin signals to the liver to suppress hepatic glucose production, and signals to the adipose tissue and the skeletal muscle to take up excess glucose via insulin-regulated ...