Abstract
During fasting, rapid metabolic adaptations, such as a shift from carbohydrate to lipid oxidation, are required to maintain whole-body energy homeostasis. This mainly occurs by tissue-specific coordinated regulation of several nutrient and energy-sensitive pathways. Animal studies suggest that activation of the AMP-activated kinase (AMPK) triggers transcriptional modulation of genes involved in lipid and glucose metabolism. Sirtuin-1 (SIRT1) and histone deacetylase 4 (HDAC4) were recently proposed to play a central role in this AMPK-mediated transcriptional regulation of energy metabolism. Our aim is therefore to investigate the effects of fasting on AMPK/SIRT1/HDAC4 signaling pathways in human skeletal muscle.
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1Department of Endocrinology and Metabolism, Leiden University Medical Center, Leiden, The Netherlands; 2Department of General Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands; 3Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands; 4Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands E-mail: m.a.wijngaarden@lumc.nl. *) Authors contributed equally to this work.
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Wijngaarden, M., Bakker, L., van Dijk, K. et al. PS14 - 73. Effect of fasting on energy- and nutrient-sensing pathways in human skeletal muscle. NED. TIJDSCHR. DIABET. 9, 140 (2011). https://doi.org/10.1007/s12467-011-0098-0
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DOI: https://doi.org/10.1007/s12467-011-0098-0