N-Acetyltransferase 10 represses Uqcr11 and Uqcrb independently of ac4C modification to promote heart regeneration
© 2024. The Author(s)..
Translational control is crucial for protein production in various biological contexts. Here, we use Ribo-seq and RNA-seq to show that genes related to oxidative phosphorylation are translationally downregulated during heart regeneration. We find that Nat10 regulates the expression of Uqcr11 and Uqcrb mRNAs in mouse and human cardiomyocytes. In mice, overexpression of Nat10 in cardiomyocytes promotes cardiac regeneration and improves cardiac function after injury. Conversely, treating neonatal mice with Remodelin-a Nat10 pharmacological inhibitor-or genetically removing Nat10 from their cardiomyocytes both inhibit heart regeneration. Mechanistically, Nat10 suppresses the expression of Uqcr11 and Uqcrb independently of its ac4C enzyme activity. This suppression weakens mitochondrial respiration and enhances the glycolytic capacity of the cardiomyocytes, leading to metabolic reprogramming. We also observe that the expression of Nat10 is downregulated in the cardiomyocytes of P7 male pig hearts compared to P1 controls. The levels of Nat10 are also lower in female human failing hearts than non-failing hearts. We further identify the specific binding regions of Nat10, and validate the pro-proliferative effects of Nat10 in cardiomyocytes derived from human embryonic stem cells. Our findings indicate that Nat10 is an epigenetic regulator during heart regeneration and could potentially become a clinical target.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 08. März, Seite 2137 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ma, Wenya [VerfasserIn] |
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| Links: |
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| Themen: |
Acetyltransferases |
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| Anmerkungen: |
Date Completed 11.03.2024 Date Revised 13.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41467-024-46458-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369487524 |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a Translational control is crucial for protein production in various biological contexts. Here, we use Ribo-seq and RNA-seq to show that genes related to oxidative phosphorylation are translationally downregulated during heart regeneration. We find that Nat10 regulates the expression of Uqcr11 and Uqcrb mRNAs in mouse and human cardiomyocytes. In mice, overexpression of Nat10 in cardiomyocytes promotes cardiac regeneration and improves cardiac function after injury. Conversely, treating neonatal mice with Remodelin-a Nat10 pharmacological inhibitor-or genetically removing Nat10 from their cardiomyocytes both inhibit heart regeneration. Mechanistically, Nat10 suppresses the expression of Uqcr11 and Uqcrb independently of its ac4C enzyme activity. This suppression weakens mitochondrial respiration and enhances the glycolytic capacity of the cardiomyocytes, leading to metabolic reprogramming. We also observe that the expression of Nat10 is downregulated in the cardiomyocytes of P7 male pig hearts compared to P1 controls. The levels of Nat10 are also lower in female human failing hearts than non-failing hearts. We further identify the specific binding regions of Nat10, and validate the pro-proliferative effects of Nat10 in cardiomyocytes derived from human embryonic stem cells. Our findings indicate that Nat10 is an epigenetic regulator during heart regeneration and could potentially become a clinical target | ||
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| 700 | 1 | |a Tian, Yanan |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Leping |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Ouyang, Qimeng |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jianglong |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Hongyang |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Hongyue |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Haoyu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xu |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Xinlu |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Xiaoyan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiuxiu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yining |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Xiaofei |e verfasserin |4 aut | |
| 700 | 1 | |a Tian, Ye |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Fan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Faqian |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ning |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Benzhi |e verfasserin |4 aut | |
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