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Chen M, Yang D, Zhou Y, Yang C, Lin W, Li J, Liu J, Ye J, Huang W, Ma W, Li W, Chen J, Zhang Y, Shi GP, Luo J, Li J, Luo S. Colchicine Blocks Abdominal Aortic Aneurysm Development by Maintaining Vascular Smooth Muscle Cell Homeostasis. Int J Biol Sci 2024; 20:2092-2110. [PMID: 38617538 PMCID: PMC11008260 DOI: 10.7150/ijbs.93544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/05/2024] [Indexed: 04/16/2024] Open
Abstract
Development of non-surgical treatment of human abdominal aortic aneurysm (AAA) has clinical significance. Colchicine emerges as an effective therapeutic regimen in cardiovascular diseases. Yet, whether colchicine slows AAA growth remain controversy. Here, we demonstrated that daily intragastric administration of low-dose colchicine blocked AAA formation, prevented vascular smooth muscle cell (SMC) phenotype switching and apoptosis, and vascular inflammation in both peri-aortic CaPO4 injury and subcutaneous angiotensin-II infusion induced experimental AAA mice models. Mechanistically, colchicine increased global mRNA stability by inhibiting the METTL14/YTHDC1-mediated m6A modification, resulting in increased sclerostin (SOST) expression and consequent inactivation of the WNT/β-catenin signaling pathway in vascular SMCs from mouse AAA lesions and in cultured human aortic SMCs. Moreover, human and mouse AAA lesions all showed increased m6A methylation, decreased SOST expression, and skewed synthetic SMC de-differentiation phenotype, compared to those without AAA. This study uncovers a novel mechanism of colchicine in slowing AAA development by using the METTL14/SOST/WNT/β-catenin axis to control vascular SMC homeostasis in mouse aortic vessels and in human aortic SMCs. Therefore, use of colchicine may benefit AAA patients in clinical practice.
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Affiliation(s)
- Min Chen
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Dafeng Yang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yangzhao Zhou
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Chongzhe Yang
- Department of Geriatrics, National Key Clinic Specialty, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Wenhui Lin
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Jie Li
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Jitao Liu
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Jiamin Ye
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Wenhui Huang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Wentao Ma
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Wei Li
- Department of Cardiology, Guangdong Provincial People's Hospital Zhuhai Hospital, Zhuhai, China
| | - Jiyan Chen
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Ying Zhang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Jianfang Luo
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
| | - Jie Li
- Department of Geriatrics, National Key Clinic Specialty, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Songyuan Luo
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Hypertension, Guangdong Provincial People's Hospital, Southern Medical University, Guangzhou, China
- Department of Cardiology, Ganzhou Hospital of Guangdong Provincial People's Hospital, Ganzhou Municipal Hospital, Ganzhou, Jiangxi, China
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Liu T, Zhang T, Guo C, Liang X, Wang P, Zheng B. Murine double minute 2-mediated estrogen receptor 1 degradation activates macrophage migration inhibitory factor to promote vascular smooth muscle cell dedifferentiation and oxidative stress during thoracic aortic aneurysm progression. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119661. [PMID: 38218386 DOI: 10.1016/j.bbamcr.2024.119661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/19/2023] [Accepted: 01/03/2024] [Indexed: 01/15/2024]
Abstract
Estrogen receptor 1 (ESR1) has been recently demonstrated as a potential diagnostic biomarker for thoracic aortic aneurysm (TAA). However, its precise role in the progression of TAA remains unclear. In this study, TAA models were established in ApoE-knockout mice and primary mouse vascular smooth muscle cells (VSMCs) through treatment with angiotensin (Ang) II. Our findings revealed a downregulation of ESR1 in Ang II-induced TAA mice and VSMCs. Upregulation of ESR1 mitigated expansion and cell apoptosis in the mouse aorta, reduced pathogenetic transformation of VSMCs, and reduced inflammatory infiltration and oxidative stress both in vitro and in vivo. Furthermore, we identified macrophage migration inhibitory factor (MIF) as a biological target of ESR1. ESR1 bound to the MIF promoter to suppress its transcription. Artificial MIF restoration negated the mitigating effects of ESR1 on TAA. Additionally, we discovered that murine double minute 2 (MDM2) was highly expressed in TAA models and mediated protein degradation of ESR1 through ubiquitination modification. Silencing of MDM2 reduced VSMC dedifferentiation and suppressed oxidative stress. However, these effects were reversed upon further silencing of ESR1. In conclusion, this study demonstrates that MDM2 activates MIF by mediating ESR1 degradation, thus promoting VSMC dedifferentiation and oxidative stress during TAA progression.
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Affiliation(s)
- Tao Liu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, PR China; Department of Cardiovascular Surgery, Guangxi International Zhuang Medicine Hospital, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, PR China
| | - Tian Zhang
- Department of Cardiovascular Surgery, Guangxi International Zhuang Medicine Hospital, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, PR China
| | - Chenfan Guo
- Department of Cardiovascular Surgery, Guangxi International Zhuang Medicine Hospital, Guangxi University of Chinese Medicine, Nanning 530001, Guangxi, PR China
| | - Xiangsen Liang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi, PR China
| | - Pandeng Wang
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, PR China.
| | - Baoshi Zheng
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, PR China.
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Cheng C, Yu F, Yuan G, Jia J. Update on N6-methyladenosine methylation in obesity-related diseases. Obesity (Silver Spring) 2024; 32:240-251. [PMID: 37989724 DOI: 10.1002/oby.23932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 11/23/2023]
Abstract
Obesity is a chronic metabolic disease that is closely related to type 2 diabetes mellitus, cardiovascular diseases, nonalcoholic fatty liver disease, obstructive sleep apnea, and osteoarthritis. The prevalence of obesity is increasing rapidly every year and is recognized as a global public health problem. In recent years, the role of epigenetics in the development of obesity and related diseases has been recognized and is currently a research hotspot. N6-methyladenosine (m6A) methylation is the most abundant epigenetic modification in the eukaryotic RNA, including mRNA and noncoding RNA. Several studies have shown that the m6A modifications in the target mRNA and the corresponding m6A regulators play a significant role in lipid metabolism and are strongly associated with the pathogenesis of obesity-related diseases. In this review, the latest research findings regarding the role of m6A methylation in obesity and related metabolic diseases are summarized. The authors' aim is to highlight evidence that suggests the clinical utility of m6A modifications and the m6A regulators as novel early prediction biomarkers and precision therapeutics for obesity and obesity-related diseases.
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Affiliation(s)
- Caiqin Cheng
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University; Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Fan Yu
- Department of Endocrinology and Metabolism, Jurong Hospital Affiliated to Jiangsu University, Zhenjiang, Jiangsu, China
| | - Guoyue Yuan
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University; Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jue Jia
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University; Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
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Luo H, Wu X, Huo B, Liu L, Jiang DS, Yi X. The roles of METTL3 on autophagy and proliferation of vascular smooth muscle cells are mediated by mTOR rather than by CDK1. Cell Div 2023; 18:13. [PMID: 37559091 PMCID: PMC10411010 DOI: 10.1186/s13008-023-00096-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Aberrant proliferation of vascular smooth muscle cells (VSMCs) is the cause of neointima formation followed by vascular injury. Autophagy is involved in this pathological process, but its function is controversial. Recently, we found that methyltransferase like 3 (METTL3) inhibited VSMC proliferation by activating autophagosome formation. Moreover, we also demonstrated that METTL3 reduced the levels of phosphorylated mammalian target of rapamycin (p-mTOR) and cyclin dependent kinase 1 (p-CDK1/CDC2), which were critical for autophagy and proliferation regulation. However, whether mTOR and CDK1 mediated the function of METTL3 on autophagy and proliferation in VSMCs remains unknown. RESULTS We showed that the activator of mTOR, MHY1485 largely reversed the effects of METTL3 overexpression on VSMC autophagy and proliferation. Rapamycin, the inhibitor of mTOR, obviously nullified the pro-proliferation effects of METTL3 knockdown by activating autophagy in VSMCs. Unexpectedly, mTOR did not contribute to the impacts of METTL3 on migration and phenotypic switching of VSMCs. On the other hand, by knockdown of CDK1 in VSMC with METTL3 deficiency, we demonstrated that CDK1 was involved in METTL3-regulated proliferation of VSMCs, but this effect was not mediated by autophagy. CONCLUSIONS We concluded that mTOR but not CDK1 mediated the role of METTL3 on VSMC proliferation and autophagy.
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Affiliation(s)
- Hanshen Luo
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave., Wuhan, 430030, Hubei, China
| | - Xingliang Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan, China
| | - Bo Huo
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave., Wuhan, 430030, Hubei, China
| | - Liyuan Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan, China
| | - Ding-Sheng Jiang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave., Wuhan, 430030, Hubei, China.
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China.
| | - Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan, China.
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Wright K, Aboughdir M, Harky A. The cellular uncertainty in thoracic aortic dissections: the roles of METTL3 and NOTCH1 on m6A in human aortic smooth muscle cells. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:162. [PMID: 36923090 PMCID: PMC10009554 DOI: 10.21037/atm-23-375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 02/01/2023] [Indexed: 02/12/2023]
Affiliation(s)
- Kelly Wright
- Department of Medicine, University of Liverpool, Liverpool, UK
| | - Maryam Aboughdir
- Department of Medicine, St. George's University of London, London, UK
| | - Amer Harky
- Department of Cardiothoracic Surgery, Liverpool Heart and Chest Hospital, Liverpool, UK
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