Increasing angiotensin-converting enzyme 1 regulated by histone 3 lysine 27 hyperacetylation in high-fat diet-induced hypertensive rat kidney
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved..
BACKGROUND: Obesity is a key risk factor of hypertension. Angiotensin-converting enzyme 1 (ACE1) is a key enzyme involved in the renin-angiotensin-aldosterone system (RAAS), which contributes to obesity-related hypertension (OrHTN). Emerging evidence has shown that histone acetylation is also involved in OrHTN. As kidney is an effector organ that activates the RAAS by secreting renin after hypertension occurs, this study aimed to explore the regulatory role of histone acetylation on renal RAAS expression.
METHODS: Nineteen male Wistar rats were randomly divided into a control group ( n = 9, fed normal chow) and a high-fat diet (HFD) group ( n = 10, fed HFD for 16 weeks). The renal transcriptome and histone acetylation spectrum was analyzed by RNA sequencing and tandem mass spectrometry and was further confirmed by RT-qPCR, western blot, and immunohistochemistry. Then, chromatin immunoprecipitation (ChIP)-qPCR analysis was performed for the detection of DNA-protein interaction.
RESULTS: After 16-week HFD, the rats became obese with increased plasma triglyceride and high blood pressure. Increased ACE1 and histone 3 lysine 27 acetylation (H3K27ac) expression levels were found in OrHTN rat kidneys. The following ChIP-qPCR analysis illustrated that the upregulation of ACE1 transcription was mediated by increased H3K27ac.
CONCLUSION: H3K27ac could be an important histone acetylation site that activates renal ACE1 in HFD-induced hypertensive rats.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:40 |
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| Enthalten in: |
Journal of hypertension - 40(2022), 10 vom: 01. Okt., Seite 1969-1978 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lin, Ying [VerfasserIn] |
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| Links: |
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| Themen: |
Angiotensins |
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| Anmerkungen: |
Date Completed 08.09.2022 Date Revised 06.10.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1097/HJH.0000000000003210 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM344879259 |
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| 245 | 1 | 0 | |a Increasing angiotensin-converting enzyme 1 regulated by histone 3 lysine 27 hyperacetylation in high-fat diet-induced hypertensive rat kidney |
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| 500 | |a Date Revised 06.10.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved. | ||
| 520 | |a BACKGROUND: Obesity is a key risk factor of hypertension. Angiotensin-converting enzyme 1 (ACE1) is a key enzyme involved in the renin-angiotensin-aldosterone system (RAAS), which contributes to obesity-related hypertension (OrHTN). Emerging evidence has shown that histone acetylation is also involved in OrHTN. As kidney is an effector organ that activates the RAAS by secreting renin after hypertension occurs, this study aimed to explore the regulatory role of histone acetylation on renal RAAS expression | ||
| 520 | |a METHODS: Nineteen male Wistar rats were randomly divided into a control group ( n = 9, fed normal chow) and a high-fat diet (HFD) group ( n = 10, fed HFD for 16 weeks). The renal transcriptome and histone acetylation spectrum was analyzed by RNA sequencing and tandem mass spectrometry and was further confirmed by RT-qPCR, western blot, and immunohistochemistry. Then, chromatin immunoprecipitation (ChIP)-qPCR analysis was performed for the detection of DNA-protein interaction | ||
| 520 | |a RESULTS: After 16-week HFD, the rats became obese with increased plasma triglyceride and high blood pressure. Increased ACE1 and histone 3 lysine 27 acetylation (H3K27ac) expression levels were found in OrHTN rat kidneys. The following ChIP-qPCR analysis illustrated that the upregulation of ACE1 transcription was mediated by increased H3K27ac | ||
| 520 | |a CONCLUSION: H3K27ac could be an important histone acetylation site that activates renal ACE1 in HFD-induced hypertensive rats | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Angiotensins |2 NLM | |
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| 700 | 1 | |a Li, Ya-Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Hao-Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Bai, Bao-Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Li-Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Zou, Ji-Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qin |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Lin |e verfasserin |4 aut | |
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