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Almohtasib Y, Fancher AJ, Sawalha K. Emerging Trends in Atherosclerosis: Time to Address Atherosclerosis From a Younger Age. Cureus 2024; 16:e56635. [PMID: 38646335 PMCID: PMC11032087 DOI: 10.7759/cureus.56635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2024] [Indexed: 04/23/2024] Open
Abstract
Over the past two decades, research efforts into cardiovascular disease (CVD) have uncovered findings that fundamentally challenge our understanding of CVD, particularly atherosclerosis. Atherosclerosis was primarily attributed to the well-described abnormal lipid accumulation theory, involving plaque growth with subsequent plaque hemorrhage resulting in acute vessel thrombosis that may or may not rupture. This perspective has now evolved to encompass more complex pathways, wherein the accumulation of abnormal products of oxidation and inflammation is the most likely factor mediating atherosclerotic plaque growth. Furthermore, atherosclerosis was traditionally thought of as a disease in patients aged 40 and older. However, mounting evidence has demonstrated that significant atherosclerosis and CVD events are more prevalent in younger patients than previously realized and accelerating in incidence. With this alarming trend among younger individuals, our review sought to explore why this trend may be happening and what can be done about this developing problem.
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Affiliation(s)
- Yazan Almohtasib
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Andrew J Fancher
- Internal Medicine, University of Kansas School of Medicine-Wichita, Wichita, USA
| | - Khalid Sawalha
- Cardiometabolic Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
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2
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King DE, Lalwani PD, Mercado GP, Dolan EL, Frierson JM, Meyer JN, Murphy SK. The use of race terms in epigenetics research: considerations moving forward. Front Genet 2024; 15:1348855. [PMID: 38356697 PMCID: PMC10864599 DOI: 10.3389/fgene.2024.1348855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 01/11/2024] [Indexed: 02/16/2024] Open
Abstract
The field of environmental epigenetics is uniquely suited to investigate biologic mechanisms that have the potential to link stressors to health disparities. However, it is common practice in basic epigenetic research to treat race as a covariable in large data analyses in a way that can perpetuate harmful biases without providing any biologic insight. In this article, we i) propose that epigenetic researchers open a dialogue about how and why race is employed in study designs and think critically about how this might perpetuate harmful biases; ii) call for interdisciplinary conversation and collaboration between epigeneticists and social scientists to promote the collection of more detailed social metrics, particularly institutional and structural metrics such as levels of discrimination that could improve our understanding of individual health outcomes; iii) encourage the development of standards and practices that promote full transparency about data collection methods, particularly with regard to race; and iv) encourage the field of epigenetics to continue to investigate how social structures contribute to biological health disparities, with a particular focus on the influence that structural racism may have in driving these health disparities.
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Affiliation(s)
- Dillon E. King
- Nicholas School of the Environment, Duke University, Durham, NC, United States
- Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, NC, United States
| | - Pooja D. Lalwani
- Nicholas School of the Environment, Duke University, Durham, NC, United States
| | - Gilberto Padilla Mercado
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, United States
| | - Emma L. Dolan
- Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, NC, United States
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, United States
| | - Johnna M. Frierson
- IDEALS Office, Duke University School of Medicine, Durham, NC, United States
| | - Joel N. Meyer
- Nicholas School of the Environment, Duke University, Durham, NC, United States
| | - Susan K. Murphy
- Nicholas School of the Environment, Duke University, Durham, NC, United States
- Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, NC, United States
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3
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Bergonzini M, Loreni F, Lio A, Russo M, Saitto G, Cammardella A, Irace F, Tramontin C, Chello M, Lusini M, Nenna A, Ferrisi C, Ranocchi F, Musumeci F. Panoramic on Epigenetics in Coronary Artery Disease and the Approach of Personalized Medicine. Biomedicines 2023; 11:2864. [PMID: 37893238 PMCID: PMC10604795 DOI: 10.3390/biomedicines11102864] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Epigenetic modifications play a fundamental role in the progression of coronary artery disease (CAD). This panoramic review aims to provide an overview of the current understanding of the epigenetic mechanisms involved in CAD pathogenesis and highlights the potential implications for personalized medicine approaches. Epigenetics is the study of heritable changes that do not influence alterations in the DNA sequence of the genome. It has been shown that epigenetic processes, including DNA/histone methylation, acetylation, and phosphorylation, play an important role. Additionally, miRNAs, lncRNAs, and circRNAs are also involved in epigenetics, regulating gene expression patterns in response to various environmental factors and lifestyle choices. In the context of CAD, epigenetic alterations contribute to the dysregulation of genes involved in inflammation, oxidative stress, lipid metabolism, and vascular function. These epigenetic changes can occur during early developmental stages and persist throughout life, predisposing individuals to an increased risk of CAD. Furthermore, in recent years, the concept of personalized medicine has gained significant attention. Personalized medicine aims to tailor medical interventions based on an individual's unique genetic, epigenetic, environmental, and lifestyle factors. In the context of CAD, understanding the interplay between genetic variants and epigenetic modifications holds promise for the development of more precise diagnostic tools, risk stratification models, and targeted therapies. This review summarizes the current knowledge of epigenetic mechanisms in CAD and discusses the fundamental principles of personalized medicine.
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Affiliation(s)
- Marcello Bergonzini
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Francesco Loreni
- Cardiac Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Antonio Lio
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Marco Russo
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Guglielmo Saitto
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Antonio Cammardella
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Francesco Irace
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Corrado Tramontin
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Massimo Chello
- Cardiac Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Mario Lusini
- Cardiac Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Antonio Nenna
- Cardiac Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Chiara Ferrisi
- Cardiac Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Federico Ranocchi
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
| | - Francesco Musumeci
- Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, 00152 Rome, Italy
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Sawalha K, Norgard N, López-Candales A. Epigenetic Regulation and its Effects on Aging and Cardiovascular Disease. Cureus 2023; 15:e39395. [PMID: 37362531 PMCID: PMC10286850 DOI: 10.7759/cureus.39395] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Cardiovascular disease (CVD), specifically coronary atherosclerosis, is regulated by an interplay between genetic and lifestyle factors. Most recently, a factor getting much attention is the role epigenetics play in atherosclerosis; particularly the development of coronary artery disease. Furthermore, it is important to understand the intricate interaction between the environment and each individual genetic material and how this interaction affects gene expression and consequently influences the development of atherosclerosis. Our main goal is to discuss epigenetic regulations; particularly, the factors contributing to coronary atherosclerosis and their role in aging and longevity. We reviewed the current literature and provided a simplified yet structured and reasonable appraisal of this topic. This role has also been recently linked to longevity and aging. Epigenetic regulations (modifications) whether through histone modifications or DNA or RNA methylation have been shown to be regulated by environmental factors such as social stress, smoking, chemical contaminants, and diet. These sensitive interactions are further aggravated by racial health disparities that ultimately impact cardiovascular disease outcomes through epigenetic interactions. Certainly, limiting our exposure to such causative events at younger ages seems our "golden opportunity" to tackle the incidence of coronary atherosclerosis and probably the answer to longevity.
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Affiliation(s)
- Khalid Sawalha
- Cardiometabolic Diseases, Truman Medical Centers - University of Missouri Kansas City, Kansas City, USA
| | - Nicholas Norgard
- Pharmacology and Therapeutics, Truman Medical Centers - University of Missouri Kansas City, Kansas City, USA
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Min S, Xu Q, Qin L, Li Y, Li Z, Chen C, Wu H, Han J, Zhu X, Jin P, Tang B. Altered hydroxymethylome in the substantia nigra of Parkinson's disease. Hum Mol Genet 2022; 31:3494-3503. [PMID: 35661211 PMCID: PMC9558850 DOI: 10.1093/hmg/ddac122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/05/2022] [Accepted: 05/21/2022] [Indexed: 01/26/2023] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder, and aging and genetic and environmental exposure can contribute to its pathogenesis. DNA methylation has been suggested to play a pivotal role in neurodevelopment and neurodegenerative diseases. 5-hydroxymethylcytosine (5hmC) is generated through 5-methylcytosine (5mC) oxidization by ten-eleven translocation proteins and is particularly enriched in the brain. Although 5hmC has been linked to multiple neurological disorders, little is known about 5hmC alterations in the substantia nigra of patients with PD. To determine the specific alterations in DNA methylation and hydroxymethylation in PD brain samples, we examined the genome-wide profiles of 5mC and 5hmC in the substantia nigra of patients with PD and Alzheimer's disease (ad). We identified 4119 differentially hydroxymethylated regions (DhMRs) and no differentially methylated regions (DMRs) in the postmortem brains of patients with PD compared with those of controls. These DhMRs were PD-specific when compared with the results of AD. Gene ontology analysis revealed that several signaling pathways, such as neurogenesis and neuronal differentiation, were significantly enriched in PD DhMRs. KEGG enrichment analysis revealed substantial alterations in multiple signaling pathways, including phospholipase D (PLD), cAMP and Rap1. In addition, using a PD Drosophila model, we found that one of the 5hmC-modulated genes, PLD1, modulated α-synuclein toxicity. Our analysis suggested that 5hmC may act as an independent epigenetic marker and contribute to the pathogenesis of PD.
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Affiliation(s)
| | | | | | - Yujing Li
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Ziyi Li
- Department of Biostatistics and Bioinformatics, Emory University School of Public Health, Atlanta, GA 30322, USA
| | - Chao Chen
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hao Wu
- Department of Biostatistics and Bioinformatics, Emory University School of Public Health, Atlanta, GA 30322, USA
| | - Junhai Han
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xiongwei Zhu
- To whom correspondence should be addressed at: Department of Neurology, Xiangya Hospital, Central South University, #87 Xiangya Road, Changsha, Hunan 410008, China. Tel: +86-731-84327398; ; Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA. Tel: +1 404-727-3729; ; Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA. Tel: +1-216-368-5903,
| | - Peng Jin
- To whom correspondence should be addressed at: Department of Neurology, Xiangya Hospital, Central South University, #87 Xiangya Road, Changsha, Hunan 410008, China. Tel: +86-731-84327398; ; Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA. Tel: +1 404-727-3729; ; Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA. Tel: +1-216-368-5903,
| | - Beisha Tang
- To whom correspondence should be addressed at: Department of Neurology, Xiangya Hospital, Central South University, #87 Xiangya Road, Changsha, Hunan 410008, China. Tel: +86-731-84327398; ; Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA. Tel: +1 404-727-3729; ; Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA. Tel: +1-216-368-5903,
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Sun H, Xu J, Hu B, Liu Y, Zhai Y, Sun Y, Sun H, Li F, Wang J, Feng A, Tang Y, Zhao J. Association of DNA Methylation Patterns in 7 Novel Genes With Ischemic Stroke in the Northern Chinese Population. Front Genet 2022; 13:844141. [PMID: 35480311 PMCID: PMC9035884 DOI: 10.3389/fgene.2022.844141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 03/18/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Ischemic stroke is a highly complex disorder. This study aims to identify novel methylation changes in ischemic stroke.Methods: We carried out an epigenome-wide study of ischemic stroke using an Infinium HumanMethylation 850K array (cases:controls = 4:4). 10 CpG sites in 8 candidate genes from gene ontology analytics top-ranked pathway were selected to validate 850K BeadChip results (cases:controls = 20:20). We further qualified the methylation level of promoter regions in 8 candidate genes (cases:controls = 188:188). Besides, we performed subgroup analysis, dose-response relationship and diagnostic prediction polygenic model of candidate genes.Results: In the discovery stage, we found 462 functional DNA methylation positions to be associated with ischemic stroke. Gene ontology analysis highlighted the “calcium-dependent cell-cell adhesion via plasma membrane cell adhesion molecules” item, including 8 candidate genes (CDH2/PCDHB10/PCDHB11/PCDHB14/PCDHB16/PCDHB3/PCDHB6/PCDHB9). In the replication stage, we identified 5 differentially methylated loci in 20 paired samples and 7 differentially methylated genes (CDH2/PCDHB10/PCDHB11/PCDHB14/PCDHB16/PCDHB3/PCDHB9) in 188 paired samples. Subgroup analysis showed that the methylation level of above 7 genes remained significantly different in the male subgroup, large-artery atherosclerosis subgroup and right hemisphere subgroup. The methylation level of each gene was grouped into quartiles, and Q4 groups of the 7 genes were associated with higher risk of ischemic stroke than Q1 groups (p < 0.05). Besides, the polygenic model showed high diagnostic specificity (0.8723), sensitivity (0.883), and accuracy (0.8777).Conclusion: Our results demonstrate that DNA methylation plays a crucial part in ischemic stroke. The methylation of these 7 genes may be potential diagnostic biomarker for ischemic stroke.
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Affiliation(s)
- Hongwei Sun
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jia Xu
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Bifeng Hu
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yue Liu
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yun Zhai
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yanyan Sun
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongwei Sun
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Fang Li
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiamin Wang
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Anqi Feng
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Ying Tang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Jingbo Zhao, ; Ying Tang,
| | - Jingbo Zhao
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
- *Correspondence: Jingbo Zhao, ; Ying Tang,
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7
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Li J, Zhang X, Yang M, Yang H, Xu N, Fan X, Liu G, Jiang X, Fan J, Zhang L, Zhang H, Zhou Y, Li R, Gao S, Jin J, Jin Z, Zheng J, Tu Q, Ren J. DNA methylome profiling reveals epigenetic regulation of lipoprotein-associated phospholipase A 2 in human vulnerable atherosclerotic plaque. Clin Epigenetics 2021; 13:161. [PMID: 34419168 PMCID: PMC8379831 DOI: 10.1186/s13148-021-01152-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/12/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Atherosclerotic plaque vulnerability is a key feature of atheroprogression and precipitating acute cardiovascular events. Although the pivotal role of epigenetic regulation in atherosclerotic plaque destabilization is being recognized, the DNA methylation profile and its potential role in driving the progression and destabilization of atherosclerotic cardiovascular disease remains largely unknown. We conducted a genome-wide analysis to identify differentially methylated genes in vulnerable and non-vulnerable atherosclerotic lesions to understand more about pathogenesis. RESULTS We compared genome-wide DNA methylation profiling between carotid artery plaques of patients with clinically symptomatic (recent stroke or transient ischemic attack) and asymptomatic disease (no recent stroke) using Infinium Methylation BeadChip arrays, which revealed 90,368 differentially methylated sites (FDR < 0.05, |delta beta|> 0.03) corresponding to 14,657 annotated genes. Among these genomic sites, 30% were located at the promoter regions and 14% in the CpG islands, according to genomic loci and genomic proximity to the CpG islands, respectively. Moreover, 67% displayed hypomethylation in symptomatic plaques, and the differentially hypomethylated genes were found to be involved in various aspects of inflammation. Subsequently, we focus on CpG islands and revealed 14,596 differentially methylated sites (|delta beta|> 0.1) located at the promoter regions of 7048 genes. Integrated analysis of methylation and gene expression profiles identified that 107 genes were hypomethylated in symptomatic plaques and showed elevated expression levels in both advanced plaques and ruptured plaques. The imprinted gene PLA2G7, which encodes lipoprotein-associated phospholipase A2 (Lp-PLA2), was one of the top hypomethylated genes with an increased expression upon inflammation. Further, the hypomethylated CpG site at the promoter region of PLA2G7 was identified as cg11874627, demethylation of which led to increased binding of Sp3 and expression of Lp-PLA2 through bisulfate sequencing, chromatin immunoprecipitation assay and enzyme-linked immunosorbent assay. These effects were further enhanced by deacetylase. CONCLUSION Extensive DNA methylation modifications serve as a new and critical layer of biological regulation that contributes to atheroprogression and destabilization via inflammatory processes. Revelation of this hitherto unknown epigenetic regulatory mechanism could rejuvenate the prospects of Lp-PLA2 as a therapeutic target to stabilize the atherosclerotic plaque and reduce clinical sequelae.
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Affiliation(s)
- Jingjin Li
- Department of Cardiology, Beijing Tiantan Hospital of Capital Medical University, Beijing, China
| | - Xiaoping Zhang
- Beijing Anzhen Hospital of Capital Medical University and Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, China
| | - Mengxi Yang
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Hang Yang
- State Key Laboratory for Molecular and Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Ning Xu
- Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Xueqiang Fan
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Gang Liu
- Department of Cardiovascular Surgery, Peking University People's Hospital, Beijing, China
| | - Xintong Jiang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Jiasai Fan
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Lifang Zhang
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Hu Zhang
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Ying Zhou
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Rui Li
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Si Gao
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Jiangli Jin
- Department of Neurology, China-Japan Friendship Hospital, Beijing, China
| | - Zening Jin
- Department of Cardiology, Beijing Tiantan Hospital of Capital Medical University, Beijing, China
| | - Jingang Zheng
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China
| | - Qiang Tu
- State Key Laboratory for Molecular and Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Jingyi Ren
- Department of Cardiology, China-Japan Friendship Hospital, Beijing, China. .,Vascular Health Research Center of Peking University Health Science Center, Beijing, China.
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Sumi MP, Mahajan B, Sattar RSA, Nimisha, Apurva, Kumar A, Sharma AK, Ahmad E, Ali A, Saluja SS. Elucidation of Epigenetic Landscape in Coronary Artery Disease: A Review on Basic Concept to Personalized Medicine. Epigenet Insights 2021; 14:2516865720988567. [PMID: 33598635 PMCID: PMC7863167 DOI: 10.1177/2516865720988567] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/26/2020] [Indexed: 12/11/2022] Open
Abstract
Despite extensive clinical research and management protocols applied in the field of coronary artery diseases (CAD), it still holds the number 1 position in mortality worldwide. This indicates that we need to work on precision medicine to discover the diagnostic, therapeutic, and prognostic targets to improve the outcome of CAD. In precision medicine, epigenetic changes play a vital role in disease onset and progression. Epigenetics is the study of heritable changes that do not affect the alterations of DNA sequence in the genome. It comprises various covalent modifications that occur in DNA or histone proteins affecting the spatial arrangement of the DNA and histones. These multiple modifications include DNA/histone methylation, acetylation, phosphorylation, and SUMOylation. Besides these covalent modifications, non-coding RNAs-viz. miRNA, lncRNA, and circRNA are also involved in epigenetics. Smoking, alcohol, diet, environmental pollutants, obesity, and lifestyle are some of the prime factors affecting epigenetic alterations. Novel molecular techniques such as next-generation sequencing, chromatin immunoprecipitation, and mass spectrometry have been developed to identify important cross points in the epigenetic web in relation to various diseases. The studies regarding exploration of epigenetics, have led researchers to identify multiple diagnostic markers and therapeutic targets that are being used in different disease diagnosis and management. Here in this review, we will discuss various ground-breaking contributions of past and recent studies in the epigenetic field in concert with coronary artery diseases. Future prospects of epigenetics and its implication in CAD personalized medicine will also be discussed in brief.
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Affiliation(s)
- Mamta P Sumi
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Bhawna Mahajan
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
- Department of Biochemistry, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Real Sumayya Abdul Sattar
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Nimisha
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Apurva
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Arun Kumar
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Abhay Kumar Sharma
- Department of Biochemistry, All India Institute of Medical Science, Patna, Bihar, India
| | - Ejaz Ahmad
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
| | - Asgar Ali
- Department of Biochemistry, All India Institute of Medical Science, Patna, Bihar, India
| | - Sundeep Singh Saluja
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research (GIPMER), University of Delhi, New Delhi, India
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Schiano C, Benincasa G, Franzese M, Della Mura N, Pane K, Salvatore M, Napoli C. Epigenetic-sensitive pathways in personalized therapy of major cardiovascular diseases. Pharmacol Ther 2020; 210:107514. [PMID: 32105674 DOI: 10.1016/j.pharmthera.2020.107514] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The complex pathobiology underlying cardiovascular diseases (CVDs) has yet to be explained. Aberrant epigenetic changes may result from alterations in enzymatic activities, which are responsible for putting in and/or out the covalent groups, altering the epigenome and then modulating gene expression. The identification of novel individual epigenetic-sensitive trajectories at single cell level might provide additional opportunities to establish predictive, diagnostic and prognostic biomarkers as well as drug targets in CVDs. To date, most of studies investigated DNA methylation mechanism and miRNA regulation as epigenetics marks. During atherogenesis, big epigenetic changes in DNA methylation and different ncRNAs, such as miR-93, miR-340, miR-433, miR-765, CHROME, were identified into endothelial cells, smooth muscle cells, and macrophages. During man development, lipid metabolism, inflammation and homocysteine homeostasis, alter vascular transcriptional mechanism of fundamental genes such as ABCA1, SREBP2, NOS, HIF1. At histone level, increased HDAC9 was associated with matrix metalloproteinase 1 (MMP1) and MMP2 expression in pro-inflammatory macrophages of human carotid plaque other than to have a positive effect on toll like receptor signaling and innate immunity. HDAC9 deficiency promoted inflammation resolution and reverse cholesterol transport, which might block atherosclerosis progression and promote lesion regression. Here, we describe main human epigenetic mechanisms involved in atherosclerosis, coronary heart disease, ischemic stroke, peripheral artery disease; cardiomyopathy and heart failure. Different epigenetics mechanisms are activated, such as regulation by circular RNAs, as MICRA, and epitranscriptomics at RNA level. Moreover, in order to open new frontiers for precision medicine and personalized therapy, we offer a panoramic view on the most innovative bioinformatic tools designed to identify putative genes and molecular networks underlying CVDs in man.
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Affiliation(s)
- Concetta Schiano
- Clinical Department of Internal Medicine and Specialistics, Department of Advanced Clinical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
| | - Giuditta Benincasa
- Clinical Department of Internal Medicine and Specialistics, Department of Advanced Clinical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | | | | | | | - Claudio Napoli
- Clinical Department of Internal Medicine and Specialistics, Department of Advanced Clinical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy; IRCCS SDN, Naples, Italy
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10
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Socio-Economic Position Under the Microscope: Getting ‘Under the Skin’ and into the Cells. CURR EPIDEMIOL REP 2019. [DOI: 10.1007/s40471-019-00217-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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11
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Rizzacasa B, Amati F, Romeo F, Novelli G, Mehta JL. Epigenetic Modification in Coronary Atherosclerosis. J Am Coll Cardiol 2019; 74:1352-1365. [DOI: 10.1016/j.jacc.2019.07.043] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 07/15/2019] [Indexed: 02/06/2023]
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Guo Q, Wu D, Fan C, Peng S, Guan H, Shan Z, Teng W. Iodine excess did not affect the global DNA methylation status and DNA methyltransferase expression in T and B lymphocytes from NOD.H-2 h4 and Kunming mice. Int Immunopharmacol 2017; 55:151-157. [PMID: 29253821 DOI: 10.1016/j.intimp.2017.12.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 12/13/2017] [Accepted: 12/14/2017] [Indexed: 12/12/2022]
Abstract
Dysregulated DNA methylation in lymphocytes has been linked to various autoimmune disorders. Excessive iodine intake leads to lymphocyte dysfunction and contributes to autoimmune thyroiditis (AIT) flares in humans and animals. However, whether excessive iodine modifies the DNA methylation status in lymphocytes is unknown. Twenty NOD.H-2h4 mice and 20 Kunming mice were randomly divided into high iodine and control groups. We scored lymphatic infiltration in the thyroid by hematoxylin and eosin (H&E) staining and assayed serum thyroglobulin antibody (TgAb) levels by an indirect enzyme-linked immunosorbent assay. CD3+ T cells and CD19+ B cells were separated by flow cytometry. Global DNA methylation levels were examined by absorptiometry. Methylation of long interspersed nucleotide element-1 (LINE-1) repeats was detected with bisulfite sequencing PCR. Expression of DNA methyltransferase (DNMT) 1, DNMT3a and DNMT3b mRNA and protein were determined by real-time PCR and Western blot, respectively. We observed evident thyroiditis in the high‑iodine-treated NOD.H-2h4 mice, while mice in the other three groups did not develop thyroiditis. No differences were found in the global methylation levels and methylation status of LINE-1 repeats in T and B lymphocytes from high‑iodine-treated NOD.H-2h4 mice and Kunming mice compared with those from normal‑iodine-supplemented controls. We did not find obvious changes in DNMT mRNA and protein expression levels in T and B lymphocytes among the studied groups. In conclusion, we showed for the first time that excess iodine did not affect the global methylation status or DNMT expression in T and B lymphocytes in NOD.H-2h4 and Kunming mice.
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Affiliation(s)
- Qingling Guo
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China
| | - Dan Wu
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China; Department of Endocrinology and Metabolism, The Third Affiliated Hospital of Shenyang Medical College (Shenyang 242 Hospital), Shenyang, China
| | - Chenling Fan
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China
| | - Shiqiao Peng
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China
| | - Haixia Guan
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China.
| | - Zhongyan Shan
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China
| | - Weiping Teng
- Department of Endocrinology and Metabolism, The Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Hospital of China Medical University, Shenyang, China
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Abstract
Human genetic variation is a major resource in forensics, but does not allow all forensically relevant questions to be answered. Some questions may instead be addressable via epigenomics, as the epigenome acts as an interphase between the fixed genome and the dynamic environment. We envision future forensic applications of DNA methylation analysis that will broaden DNA-based forensic intelligence. Together with genetic prediction of appearance and biogeographic ancestry, epigenomic lifestyle prediction is expected to increase the ability of police to find unknown perpetrators of crime who are not identifiable using current forensic DNA profiling.
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Affiliation(s)
- Athina Vidaki
- Department of Genetic Identification, Erasmus MC University Medical Center Rotterdam, Room Ee1051, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.
| | - Manfred Kayser
- Department of Genetic Identification, Erasmus MC University Medical Center Rotterdam, Room Ee1051, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
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Ried J. Adam’s Apple and His Legacy: Ethical Perspectives on Epigenetics with an Excursion to the Field of Body Weight Regulation. Epigenetics 2017. [DOI: 10.1007/978-3-658-14460-9_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Panofsky A. Commentary: A conceptual revolution limited by disciplinary division. Int J Epidemiol 2015; 44:1105-7. [PMID: 25855713 DOI: 10.1093/ije/dyv021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Aaron Panofsky
- UCLA Institute for Society and Genetics and Department of Public Policy, University of California, Box 957221 Rolfe Hall 1320, Los Angeles, CA 90095-7221, USA.
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