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Updated: Jul 5, 2025

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
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Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle

Published on: January 19, 2017

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性饮食降低心肌脂肪酸氧化,但不影响氧气消耗:一项针对超重人群的研究

Thien Vinh Luong1,2, Mette Glavind Bülow Pedersen2,3, Caroline Bruun Abild2,4

  • 1Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus N, Denmark.

Obesity (Silver Spring, Md.)
|January 23, 2024
PubMed
概括

性饮食减少了心脏脂肪酸的使用,但没有降低心肌氧的氧气消耗. 这挑战了节基质假设关于基因饮食中的心脏效率.

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Measurement of Basal and Forskolin-stimulated Lipolysis in Inguinal Adipose Fat Pads

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During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
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Carbohydrate metabolism is a fundamental biochemical process that ensures a constant supply of energy to living cells. The most important carbohydrate is glucose, which can be broken down via glycolysis to enter into the Krebs cycle and eventually lead to the production of ATP through oxidative phosphorylation.
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The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
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