26 - Lipid Metabolism, Part 3

26 - Lipid Metabolism, Part 3 - Lipid Metabolism. Part III....

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Lipid Metabolism. Part III. Control of glycogen and fatty acid metabolism Functions of cholesterol Control of cholesterol level Learning Objectives Synthesis and transport of cholesterol Cholesterol and Atherosclerosis
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Summary of Lipid Metabolism Fig. 20-30
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Blood Glucose, Glucagon and Insulin Major energy reserves of the organism: - glycogen (liver) - triacylglycerols (adipose tissue) Glucose concentration in blood is the major indicator of energetic and dietary state of the organism. Sensors of glucose concentration: pancreatic ! -cells and " -cells . - ! -cells secrete hormone glucagon if [glucose] is low - " -cells secrete hormone insulin if [glucose] is high Glucagon and insulin regulate glycogen and fatty acid metabolism. Major energy metabolites Carriers in blood Triacylglycerols Chylomicrons and VLDL Fatty acids Albumin Glucose, Ketone bodies, Lactate
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Control of Glycogen Metabolism Pancreatic hormone Glucagon Insulin (muscle) “Emergency” hormone
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This note was uploaded on 02/06/2012 for the course BIOCHEM 2ee3 taught by Professor Zhorovb during the Spring '10 term at McMaster University.

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26 - Lipid Metabolism, Part 3 - Lipid Metabolism. Part III....

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