Intermittent Fasting Sustainably Improves Glucose Tolerance in Normal Weight Male Mice Through Histone Hyperacetylation
© The Author(s) 2023. Published by Oxford University Press on behalf of the Endocrine Society..
To explore the mechanism by which intermittent fasting (IF) exerts prolonged effects after discontinuation, we examined mice that had been subjected to 4 cycles of fasting for 72 hours and ad libitum feeding for 96 hours per week (72hIF), followed by 4 weeks of ad libitum feeding, focusing on expression of genes for lipid metabolism in the skeletal muscle and histone acetylation in the promoter region. The 72hIF regimen resulted in metabolic remodeling, characterized by enhanced lipid utilization and mitochondrial activation in the muscle. This long-term IF (72hIF) caused stronger metabolic effects than alternate day fasting (24hIF) wherein fasting and refeeding are repeated every 24 hours. Upregulation of lipid oxidation genes and an increase in oxygen utilization were sustained even at 4 weeks after discontinuation of 72hIF, associated with histone hyperacetylation of the promoter region of uncoupling protein 3 (Ucp3) and carnitine palmitoyl transferase 1b (Cpt1b) genes. An increase in leucine owing to fasting-induced muscle degradation was suggested to lead to the histone acetylation. These findings support the previously unappreciated notion that sustainable promotion of histone acetylation in lipid oxidation genes of the muscle and adipose tissues during and after IF may contribute to sustained metabolic effects of IF.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:7 |
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| Enthalten in: |
Journal of the Endocrine Society - 7(2023), 7 vom: 05. Juni, Seite bvad082 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Endo, Sho [VerfasserIn] |
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| Links: |
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| Themen: |
Exercise endurance |
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| Anmerkungen: |
Date Revised 01.07.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1210/jendso/bvad082 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of the Endocrine Society. | ||
| 520 | |a To explore the mechanism by which intermittent fasting (IF) exerts prolonged effects after discontinuation, we examined mice that had been subjected to 4 cycles of fasting for 72 hours and ad libitum feeding for 96 hours per week (72hIF), followed by 4 weeks of ad libitum feeding, focusing on expression of genes for lipid metabolism in the skeletal muscle and histone acetylation in the promoter region. The 72hIF regimen resulted in metabolic remodeling, characterized by enhanced lipid utilization and mitochondrial activation in the muscle. This long-term IF (72hIF) caused stronger metabolic effects than alternate day fasting (24hIF) wherein fasting and refeeding are repeated every 24 hours. Upregulation of lipid oxidation genes and an increase in oxygen utilization were sustained even at 4 weeks after discontinuation of 72hIF, associated with histone hyperacetylation of the promoter region of uncoupling protein 3 (Ucp3) and carnitine palmitoyl transferase 1b (Cpt1b) genes. An increase in leucine owing to fasting-induced muscle degradation was suggested to lead to the histone acetylation. These findings support the previously unappreciated notion that sustainable promotion of histone acetylation in lipid oxidation genes of the muscle and adipose tissues during and after IF may contribute to sustained metabolic effects of IF | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a glucose tolerance | |
| 650 | 4 | |a histone acetylation | |
| 650 | 4 | |a intermittent fasting | |
| 650 | 4 | |a lipid oxidation | |
| 650 | 4 | |a mitochondria | |
| 700 | 1 | |a Uto, Asuka |e verfasserin |4 aut | |
| 700 | 1 | |a Miyashita, Kazutoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Sato, Masaaki |e verfasserin |4 aut | |
| 700 | 1 | |a Inoue, Hiroyuki |e verfasserin |4 aut | |
| 700 | 1 | |a Fujii, Kentaro |e verfasserin |4 aut | |
| 700 | 1 | |a Hagiwara, Aika |e verfasserin |4 aut | |
| 700 | 1 | |a Ryuzaki, Masaki |e verfasserin |4 aut | |
| 700 | 1 | |a Oshida, Takuma |e verfasserin |4 aut | |
| 700 | 1 | |a Kinouchi, Kenichiro |e verfasserin |4 aut | |
| 700 | 1 | |a Itoh, Hiroshi |e verfasserin |4 aut | |
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