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Dignam JP, Sharma S, Stasinopoulos I, MacLean MR. Pulmonary arterial hypertension: Sex matters. Br J Pharmacol 2024; 181:938-966. [PMID: 37939796 DOI: 10.1111/bph.16277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 11/10/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a complex disease of multifactorial origin. While registries have demonstrated that women are more susceptible to the disease, females with PAH have superior right ventricle (RV) function and a better prognosis than their male counterparts, a phenomenon referred to as the 'estrogen paradox'. Numerous pre-clinical studies have investigated the involvement of sex hormones in PAH pathobiology, often with conflicting results. However, recent advances suggest that abnormal estrogen synthesis, metabolism and signalling underpin the sexual dimorphism of this disease. Other sex hormones, such as progesterone, testosterone and dehydroepiandrosterone may also play a role. Several non-hormonal factor including sex chromosomes and epigenetics have also been implicated. Though the underlying pathophysiological mechanisms are complex, several compounds that modulate sex hormones levels and signalling are under investigation in PAH patients. Further elucidation of the estrogen paradox will set the stage for the identification of additional therapeutic targets for this disease.
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Affiliation(s)
- Joshua P Dignam
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
| | - Smriti Sharma
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
| | - Ioannis Stasinopoulos
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
- Mass Spectrometry Core, Edinburgh Clinical Research Facility, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, Scotland, UK
| | - Margaret R MacLean
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
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2
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Ranasinghe ADCU, Tennakoon TMPB, Schwarz MA. Emerging Epigenetic Targets and Their Molecular Impact on Vascular Remodeling in Pulmonary Hypertension. Cells 2024; 13:244. [PMID: 38334636 PMCID: PMC10854593 DOI: 10.3390/cells13030244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/10/2024] Open
Abstract
Pulmonary Hypertension (PH) is a terminal disease characterized by severe pulmonary vascular remodeling. Unfortunately, targeted therapy to prevent disease progression is limited. Here, the vascular cell populations that contribute to the molecular and morphological changes of PH in conjunction with current animal models for studying vascular remodeling in PH will be examined. The status quo of epigenetic targeting for treating vascular remodeling in different PH subtypes will be dissected, while parallel epigenetic threads between pulmonary hypertension and pathogenic cancer provide insight into future therapeutic PH opportunities.
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Affiliation(s)
| | | | - Margaret A. Schwarz
- Department of Pediatrics, Indiana University School of Medicine, 1234 Notre Dame Ave, South Bend, IN 46617, USA
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3
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Ulrich A, Wu Y, Draisma H, Wharton J, Swietlik EM, Cebola I, Vasilaki E, Balkhiyarova Z, Jarvelin MR, Auvinen J, Herzig KH, Coghlan JG, Lordan J, Church C, Howard LS, Pepke-Zaba J, Toshner M, Wort SJ, Kiely DG, Condliffe R, Lawrie A, Gräf S, Morrell NW, Wilkins MR, Prokopenko I, Rhodes CJ. Blood DNA methylation profiling identifies cathepsin Z dysregulation in pulmonary arterial hypertension. Nat Commun 2024; 15:330. [PMID: 38184627 PMCID: PMC10771427 DOI: 10.1038/s41467-023-44683-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024] Open
Abstract
Pulmonary arterial hypertension (PAH) is characterised by pulmonary vascular remodelling causing premature death from right heart failure. Established DNA variants influence PAH risk, but susceptibility from epigenetic changes is unknown. We addressed this through epigenome-wide association study (EWAS), testing 865,848 CpG sites for association with PAH in 429 individuals with PAH and 1226 controls. Three loci, at Cathepsin Z (CTSZ, cg04917472), Conserved oligomeric Golgi complex 6 (COG6, cg27396197), and Zinc Finger Protein 678 (ZNF678, cg03144189), reached epigenome-wide significance (p < 10-7) and are hypermethylated in PAH, including in individuals with PAH at 1-year follow-up. Of 16 established PAH genes, only cg10976975 in BMP10 shows hypermethylation in PAH. Hypermethylation at CTSZ is associated with decreased blood cathepsin Z mRNA levels. Knockdown of CTSZ expression in human pulmonary artery endothelial cells increases caspase-3/7 activity (p < 10-4). DNA methylation profiles are altered in PAH, exemplified by the pulmonary endothelial function modifier CTSZ, encoding protease cathepsin Z.
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Affiliation(s)
- Anna Ulrich
- Department of Clinical and Experimental Medicine, University of Surrey, Surrey, UK
| | - Yukyee Wu
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Harmen Draisma
- Department of Clinical and Experimental Medicine, University of Surrey, Surrey, UK
- Section of Genetics & Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - John Wharton
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Emilia M Swietlik
- VPD Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Inês Cebola
- Section of Genetics & Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Eleni Vasilaki
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Zhanna Balkhiyarova
- Department of Clinical and Experimental Medicine, University of Surrey, Surrey, UK
- Section of Genetics & Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- People-Centred Artificial Intelligence Institute, University of Surrey, Guildford, UK
| | - Marjo-Riitta Jarvelin
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
- Unit of Primary Care, Oulu University Hospital, Oulu, Finland
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London, London, UK
| | - Juha Auvinen
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Karl-Heinz Herzig
- Institute of Biomedicine, Medical Research Center Oulu, Oulu University and Oulu University Hospital, Oulu, Finland
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | | | | | - Colin Church
- Golden Jubilee National Hospital and University of Glasgow, Glasgow, UK
| | - Luke S Howard
- National Heart and Lung Institute, Imperial College London, London, UK
| | | | - Mark Toshner
- VPD Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Stephen J Wort
- National Heart and Lung Institute, Imperial College London, London, UK
- National PH Service, Royal Brompton Hospital, London, UK
| | - David G Kiely
- Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Sheffield Pulmonary Vascular Disease Unit, Royal Hallamshire Hospital, Sheffield, UK
- NIHR Biomedical Research Centre Sheffield, Sheffield, UK
| | - Robin Condliffe
- Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Sheffield Pulmonary Vascular Disease Unit, Royal Hallamshire Hospital, Sheffield, UK
| | - Allan Lawrie
- National Heart and Lung Institute, Imperial College London, London, UK
- Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Stefan Gräf
- VPD Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- NIHR BioResource for Translational Research, Cambridge Biomedical Campus, Cambridge, UK
| | - Nicholas W Morrell
- VPD Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Martin R Wilkins
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Inga Prokopenko
- Department of Clinical and Experimental Medicine, University of Surrey, Surrey, UK
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4
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Benincasa G, Napoli C, Loscalzo J, Maron BA. Pursuing functional biomarkers in complex disease: Focus on pulmonary arterial hypertension. Am Heart J 2023; 258:96-113. [PMID: 36565787 DOI: 10.1016/j.ahj.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/12/2022] [Accepted: 12/19/2022] [Indexed: 05/11/2023]
Abstract
A major gap in diagnosis, classification, risk stratification, and prediction of therapeutic response exists in pulmonary arterial hypertension (PAH), driven in part by a lack of functional biomarkers that are also disease-specific. In this regard, leveraging big data-omics analyses using innovative approaches that integrate network medicine and machine learning correlated with clinically useful indices or risk stratification scores is an approach well-positioned to advance PAH precision medicine. For example, machine learning applied to a panel of 48 cytokines, chemokines, and growth factors could prognosticate PAH patients with immune-dominant subphenotypes at elevated or low-risk for mortality. Here, we discuss strengths and weaknesses of the most current studies evaluating omics-derived biomarkers in PAH. Progress in this field is offset by studies with small sample size, pervasive limitations in bioinformatics, and lack of standardized methods for data processing and interpretation. Future success in this field, in turn, is likely to hinge on mechanistic validation of data outputs in order to couple functional biomarker data with target-specific therapeutics in clinical practice.
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Affiliation(s)
- Giuditta Benincasa
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", Naples, Italy.
| | - Claudio Napoli
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Joseph Loscalzo
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA
| | - Bradley A Maron
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA.
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5
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Jiang Y, Huang J, Xia Y, Sun Z, Hu P, Wang D, Liu Y, Tao T, Liu Y. Hypoxia activates GPR146 which participates in pulmonary vascular remodeling by promoting pyroptosis of pulmonary artery endothelial cells. Eur J Pharmacol 2023; 941:175502. [PMID: 36638952 DOI: 10.1016/j.ejphar.2023.175502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 12/28/2022] [Accepted: 01/10/2023] [Indexed: 01/12/2023]
Abstract
BACKGROUND Hypoxia is a risk factor of pulmonary hypertension (PH) and may induce pulmonary artery endothelial cells (PAECs) injury and inflammation. Pyroptosis is a form of cell death through maturation and secretion of inflammatory mediators. However, the mechanistic association of pyroptosis, PAECs injury, and inflammation remain unknown. Here, we explored in detail the effects of hypoxia on pyroptosis of PAECs. EXPERIMENTAL APPROACH Using RNA sequencing, we screened differentially expressed genes in pulmonary artery tissue of a Sugen5416/hypoxia-induced (SuHx) rat PH model. We examined the role of the differentially expressed gene G-protein coupled receptor 146 (GPR146) in PAECs through immunohistochemistry, immunofluorescence, CCK-8 assays, western blotings, real-time PCR, detection of reactive oxygen species, and lactate dehydrogenase release experiments. KEY RESULTS According to RNA sequencing, GPR146 was 11.64-fold increased in the SuHx-induced PH model, compared to the controls. Further, GPR146 was highly expressed in pulmonary arterial hypertension human lung tissue and SuHx-induced rat PH lung tissues. Our results suggested that the expression of pyroptosis-related proteins was markedly increased under hypoxia, both in vivo and in vitro, which was inhibited by silencing GPR146. Moreover, inhibiting NLRP3 or caspase-1 effectively suppressed cleavage of caspase-1, production of interleukin (IL)-1β, IL-6, and IL-18 in PAECs by hypoxia and overexpression of GPR146. CONCLUSION Our results indicated that GPR146 induced pyroptosis and inflammatory responses through the NLRP3/caspase-1 signaling axis, thus triggering endothelial injury and vascular remodeling. Hypoxia may promote PAECs pyroptosis through upregulation of GPR146 and thereby facilitate the progression of PH. Taken together, these insights may help identify a novel target for the treatment of PH.
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Affiliation(s)
- Yanjiao Jiang
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Jie Huang
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Yu Xia
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Zengxian Sun
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China; Department of Pharmacy, Lianyungang Clinical College of Nanjing Medical University, Lianyungang, 222061, China
| | - Panpan Hu
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Dapeng Wang
- Department of Intensive Medicine, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yi Liu
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Ting Tao
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China
| | - Yun Liu
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, 222061, China; Department of Pharmacy, Lianyungang Clinical College of Nanjing Medical University, Lianyungang, 222061, China.
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6
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Inactivating the Uninhibited: The Tale of Activins and Inhibins in Pulmonary Arterial Hypertension. Int J Mol Sci 2023; 24:ijms24043332. [PMID: 36834742 PMCID: PMC9963072 DOI: 10.3390/ijms24043332] [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] [Received: 11/30/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/10/2023] Open
Abstract
Advances in technology and biomedical knowledge have led to the effective diagnosis and treatment of an increasing number of rare diseases. Pulmonary arterial hypertension (PAH) is a rare disorder of the pulmonary vasculature that is associated with high mortality and morbidity rates. Although significant progress has been made in understanding PAH and its diagnosis and treatment, numerous unanswered questions remain regarding pulmonary vascular remodeling, a major factor contributing to the increase in pulmonary arterial pressure. Here, we discuss the role of activins and inhibins, both of which belong to the TGF-β superfamily, in PAH development. We examine how these relate to signaling pathways implicated in PAH pathogenesis. Furthermore, we discuss how activin/inhibin-targeting drugs, particularly sotatercep, affect pathophysiology, as these target the afore-mentioned specific pathway. We highlight activin/inhibin signaling as a critical mediator of PAH development that is to be targeted for therapeutic gain, potentially improving patient outcomes in the future.
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7
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Bousseau S, Sobrano Fais R, Gu S, Frump A, Lahm T. Pathophysiology and new advances in pulmonary hypertension. BMJ MEDICINE 2023; 2:e000137. [PMID: 37051026 PMCID: PMC10083754 DOI: 10.1136/bmjmed-2022-000137] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/02/2023] [Indexed: 04/14/2023]
Abstract
Pulmonary hypertension is a progressive and often fatal cardiopulmonary condition characterised by increased pulmonary arterial pressure, structural changes in the pulmonary circulation, and the formation of vaso-occlusive lesions. These changes lead to increased right ventricular afterload, which often progresses to maladaptive right ventricular remodelling and eventually death. Pulmonary arterial hypertension represents one of the most severe and best studied types of pulmonary hypertension and is consistently targeted by drug treatments. The underlying molecular pathogenesis of pulmonary hypertension is a complex and multifactorial process, but can be characterised by several hallmarks: inflammation, impaired angiogenesis, metabolic alterations, genetic or epigenetic abnormalities, influence of sex and sex hormones, and abnormalities in the right ventricle. Current treatments for pulmonary arterial hypertension and some other types of pulmonary hypertension target pathways involved in the control of pulmonary vascular tone and proliferation; however, these treatments have limited efficacy on patient outcomes. This review describes key features of pulmonary hypertension, discusses current and emerging therapeutic interventions, and points to future directions for research and patient care. Because most progress in the specialty has been made in pulmonary arterial hypertension, this review focuses on this type of pulmonary hypertension. The review highlights key pathophysiological concepts and emerging therapeutic directions, targeting inflammation, cellular metabolism, genetics and epigenetics, sex hormone signalling, bone morphogenetic protein signalling, and inhibition of tyrosine kinase receptors.
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Affiliation(s)
- Simon Bousseau
- Division of Pulmonary, Sleep, and Critical Care Medicine, National Jewish Health, Denver, CO, USA
| | - Rafael Sobrano Fais
- Division of Pulmonary, Sleep, and Critical Care Medicine, National Jewish Health, Denver, CO, USA
| | - Sue Gu
- Department of Medicine, Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Cardiovascular Pulmonary Research Lab, University of Colorado School of Medicine, Aurora, CO, USA
| | - Andrea Frump
- Division of Pulmonary, Critical Care, Sleep and Occupational Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Tim Lahm
- Division of Pulmonary, Sleep, and Critical Care Medicine, National Jewish Health, Denver, CO, USA
- Department of Medicine, Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Rocky Mountain Regional Veteran Affairs Medical Center, Aurora, CO, USA
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8
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Benincasa G, Maron BA, Affinito O, D’Alto M, Franzese M, Argiento P, Schiano C, Romeo E, Bontempo P, Golino P, Berrino L, Loscalzo J, Napoli C. Association Between Circulating CD4 + T Cell Methylation Signatures of Network-Oriented SOCS3 Gene and Hemodynamics in Patients Suffering Pulmonary Arterial Hypertension. J Cardiovasc Transl Res 2023; 16:17-30. [PMID: 35960497 PMCID: PMC9944731 DOI: 10.1007/s12265-022-10294-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/19/2022] [Indexed: 02/06/2023]
Abstract
Pathogenic DNA methylation changes may be involved in pulmonary arterial hypertension (PAH) onset and its progression, but there is no data on potential associations with patient-derived hemodynamic parameters. The reduced representation bisulfite sequencing (RRBS) platform identified N = 631 differentially methylated CpG sites which annotated to N = 408 genes (DMGs) in circulating CD4+ T cells isolated from PAH patients vs. healthy controls (CTRLs). A promoter-restricted network analysis established the PAH subnetwork that included 5 hub DMGs (SOCS3, GNAS, ITGAL, NCOR2, NFIC) and 5 non-hub DMGs (NR4A2, GRM2, PGK1, STMN1, LIMS2). The functional analysis revealed that the SOCS3 gene was the most recurrent among the top ten significant pathways enriching the PAH subnetwork, including the growth hormone receptor and the interleukin-6 signaling. Correlation analysis showed that the promoter methylation levels of each network-oriented DMG were associated individually with hemodynamic parameters. In particular, SOCS3 hypomethylation was negatively associated with right atrial pressure (RAP) and positively associated with cardiac index (CI) (|r|≥ 0.6). A significant upregulation of the SOCS3, ITGAL, NFIC, NCOR2, and PGK1 mRNA levels (qRT-PCR) in peripheral blood mononuclear cells from PAH patients vs. CTRLs was found (P ≤ 0.05). By immunoblotting, a significant upregulation of the SOCS3 protein was confirmed in PAH patients vs. CTRLs (P < 0.01). This is the first network-oriented study which integrates circulating CD4+ T cell DNA methylation signatures, hemodynamic parameters, and validation experiments in PAH patients at first diagnosis or early follow-up. Our data suggests that SOCS3 gene might be involved in PAH pathogenesis and serve as potential prognostic biomarker.
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Affiliation(s)
- Giuditta Benincasa
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", 80138, Naples, Italy.
| | - Bradley A. Maron
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, MB Boston, USA ,Harvard Medical School, Boston, MA USA
| | | | - Michele D’Alto
- Department of Cardiology, Monaldi Hospital, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | | | - Paola Argiento
- Department of Cardiology, Monaldi Hospital, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Concetta Schiano
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Emanuele Romeo
- Department of Cardiology, Monaldi Hospital, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Paola Bontempo
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Paolo Golino
- Department of Cardiology, Monaldi Hospital, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Liberato Berrino
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Joseph Loscalzo
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, MB Boston, USA
| | - Claudio Napoli
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy ,IRCCS SDN, Naples, Italy
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9
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Predescu DN, Mokhlesi B, Predescu SA. The Impact of Sex Chromosomes in the Sexual Dimorphism of Pulmonary Arterial Hypertension. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:582-594. [PMID: 35114193 PMCID: PMC8978209 DOI: 10.1016/j.ajpath.2022.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/14/2021] [Accepted: 01/11/2022] [Indexed: 02/09/2023]
Abstract
Pulmonary arterial hypertension (PAH) is a sex-biased disease with a poorly understood female prevalence. Emerging research suggests that nonhormonal factors, such as the XX or XY sex chromosome complement and sex bias in gene expression, may also lead to sex-based differences in PAH incidence, penetrance, and progression. Typically, one of females' two X chromosomes is epigenetically silenced to offer a gender-balanced gene expression. Recent data demonstrate that the long noncoding RNA X-inactive specific transcript, essential for X chromosome inactivation and dosage compensation of X-linked gene expression, shows elevated levels in female PAH lung specimens compared with controls. This molecular event leads to incomplete inactivation of the females' second X chromosome, abnormal expression of X-linked gene(s) involved in PAH pathophysiology, and a pulmonary artery endothelial cell (PAEC) proliferative phenotype. Moreover, the pathogenic proliferative p38 mitogen-activated protein kinase/ETS transcription factor ELK1 (Elk1)/cFos signaling is mechanistically linked to the sexually dimorphic proliferative response of PAECs in PAH. Apprehending the complicated relationship between long noncoding RNA X-inactive specific transcript and X-linked genes and how this relationship integrates into a sexually dimorphic proliferation of PAECs and PAH sex paradox remain challenging. We highlight herein new findings related to how the sex chromosome complement and sex-differentiated epigenetic mechanisms to control gene expression are decisive players in the sexual dimorphism of PAH. Pharmacologic interventions in the light of the newly elucidated mechanisms are discussed.
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Affiliation(s)
- Dan N Predescu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois.
| | - Babak Mokhlesi
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois
| | - Sanda A Predescu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois
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10
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Lin CY, Chen CW, Lee HL, Wu C, Wang C, Sung FC, Su TC. Global DNA methylation mediates the association between urine mono-2-ethylhexyl phthalate and serum apoptotic microparticles in a young Taiwanese population. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152054. [PMID: 34863772 DOI: 10.1016/j.scitotenv.2021.152054] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/27/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Di-(2-ethylhexyl) phthalate (DEHP) has been used as a plasticizer for decades. Recent research evidence has revealed that environmental factors can alter vascular endothelial cell function through DNA methylation. However, no previous in vitro/vivo study has explored the role of DNA methylation in DEHP exposure and vascular endothelial cell function. In the present study, we enrolled 793 subjects aged 12 to 30 years from a young Taiwanese cohort to investigate the association between mono-2-ethylhexyl phthalate (MEHP) (urine DEHP metabolite), 5mdC/dG (global DNA methylation marker), CD31+/CD42a-, CD31+/CD42a+, and CD14 (apoptotic microparticles of vascular cells). In multiple regression analyses, the levels of mono-2-ethylhexyl phthalate (MEHP) were positively associated with 5mdC/dG and all three apoptotic microparticles. In addition, the regression coefficients between MEHP and the three types of apoptotic microparticles were higher when the 5mdC/dG levels were higher than the 50th percentile. In the structural equation model (SEM), we found that MEHP had a direct correlation with CD31+/CD42a- and an indirect association with CD31+/CD42a- through the effect of 5mdC/dG. Moreover, MEHP only had a direct association with CD31+/CD42a+ and an indirect association with CD14. In conclusion, the results show that global DNA methylation mediates the relationship between MEHP and apoptotic microparticles. These findings indicate that DNA methylation may play a role in the pathogenesis of DEHP-induced endothelial cell apoptosis in humans. Further studies are needed to clarify the causal inference.
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Affiliation(s)
- Chien-Yu Lin
- Department of Internal Medicine, En Chu Kong Hospital, New Taipei City 237, Taiwan; School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; Department of Environmental Engineering and Health, Yuanpei University of Medical Technology, Hsinchu 300, Taiwan
| | - Ching-Way Chen
- Department of Cardiology, National Taiwan University Hospital Yunlin Branch, Taiwan
| | - Hui-Ling Lee
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Charlene Wu
- Global Health, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chikang Wang
- Department of Environmental Engineering and Health, Yuanpei University of Medical Technology, Hsinchu 300, Taiwan
| | - Fung-Chang Sung
- Department of Health Services Administration, College of Public Health, China Medical University, Taichung 404, Taiwan
| | - Ta-Chen Su
- Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan; Department of Internal Medicine and Cardiovascular Center, National Taiwan University Hospital, Taipei 10002, Taiwan; Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei 10002, Taiwan; The Experimental Forest, National Taiwan University, Nantou 558, Taiwan.
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11
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Hudson J, Farkas L. Epigenetic Regulation of Endothelial Dysfunction and Inflammation in Pulmonary Arterial Hypertension. Int J Mol Sci 2021; 22:ijms222212098. [PMID: 34829978 PMCID: PMC8617605 DOI: 10.3390/ijms222212098] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 12/13/2022] Open
Abstract
Once perceived as a disorder treated by vasodilation, pulmonary artery hypertension (PAH) has emerged as a pulmonary vascular disease with severe endothelial cell dysfunction. In the absence of a cure, many studies seek to understand the detailed mechanisms of EC regulation to potentially create more therapeutic options for PAH. Endothelial dysfunction is characterized by complex phenotypic changes including unchecked proliferation, apoptosis-resistance, enhanced inflammatory signaling and metabolic reprogramming. Recent studies have highlighted the role of epigenetic modifications leading to pro-inflammatory response pathways, endothelial dysfunction, and the progression of PAH. This review summarizes the existing literature on epigenetic mechanisms such as DNA methylation, histone modifications, and non-coding RNAs, which can lead to aberrant endothelial function. Our goal is to develop a conceptual framework for immune dysregulation and epigenetic changes in endothelial cells in the context of PAH. These studies as well as others may lead to advances in therapeutics to treat this devastating disease.
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12
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Evans CE, Cober ND, Dai Z, Stewart DJ, Zhao YY. Endothelial cells in the pathogenesis of pulmonary arterial hypertension. Eur Respir J 2021; 58:13993003.03957-2020. [PMID: 33509961 DOI: 10.1183/13993003.03957-2020] [Citation(s) in RCA: 118] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/13/2021] [Indexed: 12/11/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a devastating disease that involves pulmonary vasoconstriction, small vessel obliteration, large vessel thickening and obstruction, and development of plexiform lesions. PAH vasculopathy leads to progressive increases in pulmonary vascular resistance, right heart failure and, ultimately, premature death. Besides other cell types that are known to be involved in PAH pathogenesis (e.g. smooth muscle cells, fibroblasts and leukocytes), recent studies have demonstrated that endothelial cells (ECs) have a crucial role in the initiation and progression of PAH. The EC-specific role in PAH is multi-faceted and affects numerous pathophysiological processes, including vasoconstriction, inflammation, coagulation, metabolism and oxidative/nitrative stress, as well as cell viability, growth and differentiation. In this review, we describe how EC dysfunction and cell signalling regulate the pathogenesis of PAH. We also highlight areas of research that warrant attention in future studies, and discuss potential molecular signalling pathways in ECs that could be targeted therapeutically in the prevention and treatment of PAH.
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Affiliation(s)
- Colin E Evans
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Nicholas D Cober
- Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Dept of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Zhiyu Dai
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ, USA
| | - Duncan J Stewart
- Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Dept of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - You-Yang Zhao
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA .,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Pharmacology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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13
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Lopez-Crisosto C, Arias-Carrasco R, Sepulveda P, Garrido-Olivares L, Maracaja-Coutinho V, Verdejo HE, Castro PF, Lavandero S. Novel molecular insights and public omics data in pulmonary hypertension. Biochim Biophys Acta Mol Basis Dis 2021; 1867:166200. [PMID: 34144090 DOI: 10.1016/j.bbadis.2021.166200] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 12/21/2022]
Abstract
Pulmonary hypertension is a rare disease with high morbidity and mortality which mainly affects women of reproductive age. Despite recent advances in understanding the pathogenesis of pulmonary hypertension, the high heterogeneity in the presentation of the disease among different patients makes it difficult to make an accurate diagnosis and to apply this knowledge to effective treatments. Therefore, new studies are required to focus on translational and personalized medicine to overcome the lack of specificity and efficacy of current management. Here, we review the majority of public databases storing 'omics' data of pulmonary hypertension studies, from animal models to human patients. Moreover, we review some of the new molecular mechanisms involved in the pathogenesis of pulmonary hypertension, including non-coding RNAs and the application of 'omics' data to understand this pathology, hoping that these new approaches will provide insights to guide the way to personalized diagnosis and treatment.
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Affiliation(s)
- Camila Lopez-Crisosto
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical & Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago 8380492, Chile; Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8380492, Chile
| | - Raul Arias-Carrasco
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical & Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago 8380492, Chile
| | - Pablo Sepulveda
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8380492, Chile; Division of Cardiovascular Diseases, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis Garrido-Olivares
- Cardiovascular Surgery, Division of Surgery, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Vinicius Maracaja-Coutinho
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical & Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago 8380492, Chile
| | - Hugo E Verdejo
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8380492, Chile; Division of Cardiovascular Diseases, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo F Castro
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8380492, Chile; Division of Cardiovascular Diseases, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Sergio Lavandero
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical & Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago 8380492, Chile; Department of Internal Medicine, Cardiology Division, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA.
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14
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Benincasa G, DeMeo DL, Glass K, Silverman EK, Napoli C. Epigenetics and pulmonary diseases in the horizon of precision medicine: a review. Eur Respir J 2021; 57:13993003.03406-2020. [PMID: 33214212 DOI: 10.1183/13993003.03406-2020] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 11/10/2020] [Indexed: 02/07/2023]
Abstract
Epigenetic mechanisms represent potential molecular routes which could bridge the gap between genetic background and environmental risk factors contributing to the pathogenesis of pulmonary diseases. In patients with COPD, asthma and pulmonary arterial hypertension (PAH), there is emerging evidence of aberrant epigenetic marks, mainly including DNA methylation and histone modifications which directly mediate reversible modifications to the DNA without affecting the genomic sequence. Post-translational events and microRNAs can be also regulated epigenetically and potentially participate in disease pathogenesis. Thus, novel pathogenic mechanisms and putative biomarkers may be detectable in peripheral blood, sputum, nasal and buccal swabs or lung tissue. Besides, DNA methylation plays an important role during the early phases of fetal development and may be impacted by environmental exposures, ultimately influencing an individual's susceptibility to COPD, asthma and PAH later in life. With the advances in omics platforms and the application of computational biology tools, modelling the epigenetic variability in a network framework, rather than as single molecular defects, provides insights into the possible molecular pathways underlying the pathogenesis of COPD, asthma and PAH. Epigenetic modifications may have clinical applications as noninvasive biomarkers of pulmonary diseases. Moreover, combining molecular assays with network analysis of epigenomic data may aid in clarifying the multistage transition from a "pre-disease" to "disease" state, with the goal of improving primary prevention of lung diseases and its subsequent clinical management.We describe epigenetic mechanisms known to be associated with pulmonary diseases and discuss how network analysis could improve our understanding of lung diseases.
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Affiliation(s)
- Giuditta Benincasa
- Dept of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Dawn L DeMeo
- Channing Division of Network Medicine and the Division of Pulmonary and Critical Care Medicine, Dept of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Kimberly Glass
- Channing Division of Network Medicine and the Division of Pulmonary and Critical Care Medicine, Dept of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Edwin K Silverman
- Channing Division of Network Medicine and the Division of Pulmonary and Critical Care Medicine, Dept of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Claudio Napoli
- Dept of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", Naples, Italy .,Clinical Dept of Internal and Specialty Medicine (DAI), University Hospital (AOU), University of Campania "Luigi Vanvitelli", Naples, Italy
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15
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Anbara T, Sharifi M, Aboutaleb N. Endothelial to Mesenchymal Transition in the Cardiogenesis and Cardiovascular Diseases. Curr Cardiol Rev 2021; 16:306-314. [PMID: 31393254 PMCID: PMC7903503 DOI: 10.2174/1573403x15666190808100336] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/05/2019] [Accepted: 07/09/2019] [Indexed: 02/07/2023] Open
Abstract
Today, cardiovascular diseases remain a leading cause of morbidity and mortality worldwide. Endothelial to mesenchymal transition (EndMT) does not only play a major role in the course of development but also contributes to several cardiovascular diseases in adulthood. EndMT is characterized by down-regulation of the endothelial proteins and highly up-regulated fibrotic specific genes and extracellular matrix-forming proteins. EndMT is also a transforming growth factor-β-driven (TGF-β) process in which endothelial cells lose their endothelial characteristics and acquire a mesenchymal phenotype with expression of α-smooth muscle actin (α-SMA), fibroblast-specific protein 1, etc. EndMT is a vital process during cardiac development, thus disrupted EndMT gives rise to the congenital heart diseases, namely septal defects and valve abnormalities. In this review, we have discussed the main signaling pathways and mechanisms participating in the process of EndMT such as TGF-β and Bone morphogenetic protein (BMP), Wnt#, and Notch signaling pathway and also studied the role of EndMT in physiological cardiovascular development and pathological conditions including myocardial infarction, pulmonary arterial hypertension, congenital heart defects, cardiac fibrosis, and atherosclerosis. As a perspective view, having a clear understanding of involving cellular and molecular mechanisms in EndMT and conducting Randomized controlled trials (RCTs) with a large number of samples for involving pharmacological agents may guide us into novel therapeutic approaches of congenital disorders and heart diseases.
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Affiliation(s)
- Taha Anbara
- Department of Surgery, Erfan Specialty Hospital, Tehran, Iran
| | - Masuomeh Sharifi
- Physiology Department, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nahid Aboutaleb
- Physiology Research Center, Physiology Department, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
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16
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Li Y, Zhang Q, Di Zhang, Cai Q, Fan J, Venners SA, Jiang S, Li J, Xu X. The effect of ABCA1 gene DNA methylation on blood pressure levels in a Chinese hyperlipidemic population. J Hum Hypertens 2021; 35:1139-1148. [PMID: 33462393 DOI: 10.1038/s41371-020-00479-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/08/2020] [Accepted: 12/11/2020] [Indexed: 11/09/2022]
Abstract
Hypertension is an important public health challenge worldwide. Epigenetic studies are providing novel insight into the underlying mechanisms of hypertension. We investigated the effect of DNA methylation in ATP-binding cassette transporter 1 (ABCA1) gene on blood pressure levels in a Chinese hyperlipidemic population. We randomly selected 211 individuals with hyperlipidemia who had not received any lipid-lowering treatment at baseline from our previous statin pharmacogenetics study (n = 734). DNA methylation loci at the ABCA1 gene were measured by MethylTarget, a next generation bisulfite sequencing-based multiple targeted cytosine-guanine dinucleotide methylation analysis method. Mean DNA methylation level was used in statistical analysis. In all subjects, higher mean ABCA1_B methylation was positively associated with systolic blood pressure (SBP) (β = 8.27, P = 0.008; β = 8.78, P = 0.005) and explained 2.7% and 5.8% of SBP variation before and after adjustment for lipids, respectively. We further divided all patients into three groups based on the tertile of body mass index (BMI) distribution. In the middle tertile of BMI, there was a significantly positive relationship between mean ABCA1_A methylation and SBP (β = 0.89, P = 0.003) and DBP (β = 0.32, P = 0.030). Mean ABCA1_A methylation explained 11.0% of SBP variation and 5.3% of DBP variation, respectively. Furthermore, mean ABCA1_A methylation (β = 0.79; P = 0.007) together with age and gender explained up to 24.1% of SBP variation. Our study provides new evidence that the ABCA1 DNA methylation profile is associated with blood pressure levels, which highlights that DNA methylation might be a significant molecular mechanism involved in the pathophysiological process of hypertension.
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Affiliation(s)
- Yajie Li
- School of Life Sciences, Anhui University, Hefei, China
| | - Qian Zhang
- School of Life Sciences, Anhui University, Hefei, China
| | - Di Zhang
- School of Life Sciences, Anhui University, Hefei, China
| | - Qianru Cai
- School of Life Sciences, Anhui University, Hefei, China
| | - Juanlin Fan
- School of Life Sciences, Anhui University, Hefei, China
| | - Scott A Venners
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - Shanqun Jiang
- School of Life Sciences, Anhui University, Hefei, China. .,Institute of Biomedicine, Anhui Medical University, Hefei, China.
| | - Jianping Li
- Department of Cardiology, Peking University First Hospital, Beijing, China.
| | - Xiping Xu
- Institute of Biomedicine, Anhui Medical University, Hefei, China.,National Clinical Research Study Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China
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17
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Kurakula K, Smolders VFED, Tura-Ceide O, Jukema JW, Quax PHA, Goumans MJ. Endothelial Dysfunction in Pulmonary Hypertension: Cause or Consequence? Biomedicines 2021; 9:biomedicines9010057. [PMID: 33435311 PMCID: PMC7827874 DOI: 10.3390/biomedicines9010057] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/30/2020] [Accepted: 01/03/2021] [Indexed: 12/11/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a rare, complex, and progressive disease that is characterized by the abnormal remodeling of the pulmonary arteries that leads to right ventricular failure and death. Although our understanding of the causes for abnormal vascular remodeling in PAH is limited, accumulating evidence indicates that endothelial cell (EC) dysfunction is one of the first triggers initiating this process. EC dysfunction leads to the activation of several cellular signalling pathways in the endothelium, resulting in the uncontrolled proliferation of ECs, pulmonary artery smooth muscle cells, and fibroblasts, and eventually leads to vascular remodelling and the occlusion of the pulmonary blood vessels. Other factors that are related to EC dysfunction in PAH are an increase in endothelial to mesenchymal transition, inflammation, apoptosis, and thrombus formation. In this review, we outline the latest advances on the role of EC dysfunction in PAH and other forms of pulmonary hypertension. We also elaborate on the molecular signals that orchestrate EC dysfunction in PAH. Understanding the role and mechanisms of EC dysfunction will unravel the therapeutic potential of targeting this process in PAH.
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Affiliation(s)
- Kondababu Kurakula
- Department of Cell and Chemical Biology, Laboratory for CardioVascular Cell Biology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
| | - Valérie F. E. D. Smolders
- Department of Surgery, Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.F.E.D.S.); (P.H.A.Q.)
| | - Olga Tura-Ceide
- Department of Pulmonary Medicine, Hospital Clínic-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Spain;
- Department of Pulmonary Medicine, Dr. Josep Trueta University Hospital de Girona, Santa Caterina Hospital de Salt and the Girona Biomedical Research Institut (IDIBGI), 17190 Girona, Catalonia, Spain
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain
| | - J. Wouter Jukema
- Department of Cardiology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
| | - Paul H. A. Quax
- Department of Surgery, Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.F.E.D.S.); (P.H.A.Q.)
| | - Marie-José Goumans
- Department of Cell and Chemical Biology, Laboratory for CardioVascular Cell Biology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
- Correspondence:
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18
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Yan Y, He YY, Jiang X, Wang Y, Chen JW, Zhao JH, Ye J, Lian TY, Zhang X, Zhang RJ, Lu D, Guo SS, Xu XQ, Sun K, Li SQ, Zhang LF, Zhang X, Zhang SY, Jing ZC. DNA methyltransferase 3B deficiency unveils a new pathological mechanism of pulmonary hypertension. SCIENCE ADVANCES 2020; 6:eaba2470. [PMID: 33298433 PMCID: PMC7725449 DOI: 10.1126/sciadv.aba2470] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 10/23/2020] [Indexed: 05/24/2023]
Abstract
DNA methylation plays critical roles in vascular pathology of pulmonary hypertension (PH). The underlying mechanism, however, remains undetermined. Here, we demonstrate that global DNA methylation was elevated in the lungs of PH rat models after monocrotaline administration or hypobaric hypoxia exposure. We showed that DNA methyltransferase 3B (DNMT3B) was up-regulated in both PH patients and rodent models. Furthermore, Dnmt3b -/- rats exhibited more severe pulmonary vascular remodeling. Consistently, inhibition of DNMT3B promoted proliferation/migration of pulmonary artery smooth muscle cells (PASMCs) in response to platelet-derived growth factor-BB (PDGF-BB). In contrast, overexpressing DNMT3B in PASMCs attenuated PDGF-BB-induced proliferation/migration and ameliorated hypoxia-mediated PH and right ventricular hypertrophy in mice. We also showed that DNMT3B transcriptionally regulated inflammatory pathways. Our results reveal that DNMT3B is a previously undefined mediator in the pathogenesis of PH, which couples epigenetic regulations with vascular remodeling and represents a therapeutic target to tackle PH.
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Affiliation(s)
- Yi Yan
- Department of Cardiopulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yang-Yang He
- State Key Laboratory of Cardiovascular Disease and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xin Jiang
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yong Wang
- Department of Respiratory and Critical Care Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Ji-Wang Chen
- Section of Pulmonary, Critical Care Medicine, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Jun-Han Zhao
- State Key Laboratory of Cardiovascular Disease and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jue Ye
- State Key Laboratory of Cardiovascular Disease and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tian-Yu Lian
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xu Zhang
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences, Beijing, China
| | - Ru-Jiao Zhang
- Hebei University Health Science Center, Hebei, China
| | - Dan Lu
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shan-Shan Guo
- Biochemistry, Pharmaceutical College, Henan University, Henan, China
| | - Xi-Qi Xu
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kai Sun
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Su-Qi Li
- State Key Laboratory of Cardiovascular Disease and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lian-Feng Zhang
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences, Beijing, China
| | - Xue Zhang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shu-Yang Zhang
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhi-Cheng Jing
- Department of Cardiopulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.
- State Key Laboratory of Cardiovascular Disease and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Complex, Severe, and Rare Diseases, and Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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19
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Le Ribeuz H, Dumont F, Ruellou G, Lambert M, Balliau T, Quatredeniers M, Girerd B, Cohen-Kaminsky S, Mercier O, Yen-Nicolaÿ S, Humbert M, Montani D, Capuano V, Antigny F. Proteomic Analysis of KCNK3 Loss of Expression Identified Dysregulated Pathways in Pulmonary Vascular Cells. Int J Mol Sci 2020; 21:E7400. [PMID: 33036472 PMCID: PMC7582549 DOI: 10.3390/ijms21197400] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/02/2020] [Accepted: 10/05/2020] [Indexed: 12/13/2022] Open
Abstract
The physiopathology of pulmonary arterial hypertension (PAH) is characterized by pulmonary artery smooth muscle cell (PASMC) and endothelial cell (PAEC) dysfunction, contributing to pulmonary arterial obstruction and PAH progression. KCNK3 loss of function mutations are responsible for the first channelopathy identified in PAH. Loss of KCNK3 function/expression is a hallmark of PAH. However, the molecular mechanisms involved in KCNK3 dysfunction are mostly unknown. To identify the pathological molecular mechanisms downstream of KCNK3 in human PASMCs (hPASMCs) and human PAECs (hPAECs), we used a Liquid Chromatography-Tandem Mass Spectrometry-based proteomic approach to identify the molecular pathways regulated by KCNK3. KCNK3 loss of expression was induced in control hPASMCs or hPAECs by specific siRNA targeting KCNK3. We found that the loss of KCNK3 expression in hPAECs and hPASMCs leads to 326 and 222 proteins differentially expressed, respectively. Among them, 53 proteins were common to hPAECs and hPASMCs. The specific proteome remodeling in hPAECs in absence of KCNK3 was mostly related to the activation of glycolysis, the superpathway of methionine degradation, and the mTOR signaling pathways, and to a reduction in EIF2 signaling pathways. In hPASMCs, we found an activation of the PI3K/AKT signaling pathways and a reduction in EIF2 signaling and the Purine Nucleotides De Novo Biosynthesis II and IL-8 signaling pathways. Common to hPAECs and hPASMCs, we found that the loss of KCNK3 expression leads to the activation of the NRF2-mediated oxidative stress response and a reduction in the interferon pathway. In the hPAECs and hPASMCs, we found an increased expression of HO-1 (heme oxygenase-1) and a decreased IFIT3 (interferon-induced proteins with tetratricopeptide repeats 3) (confirmed by Western blotting), allowing us to identify these axes to understand the consequences of KCNK3 dysfunction. Our experiments, based on the loss of KCNK3 expression by a specific siRNA strategy in control hPAECs and hPASMCs, allow us to identify differences in the activation of several signaling pathways, indicating the key role played by KCNK3 dysfunction in the development of PAH. Altogether, these results allow us to better understand the consequences of KCNK3 dysfunction and suggest that KCNK3 loss of expression acts in favor of the proliferation and migration of hPASMCs and promotes the metabolic shift and apoptosis resistance of hPAECs.
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Affiliation(s)
- Hélène Le Ribeuz
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Florent Dumont
- UMS Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, Université Paris-Saclay, 92290 Châtenay-Malabry, France; (F.D.); (G.R.); (S.Y.-N.)
| | - Guillaume Ruellou
- UMS Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, Université Paris-Saclay, 92290 Châtenay-Malabry, France; (F.D.); (G.R.); (S.Y.-N.)
| | - Mélanie Lambert
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Thierry Balliau
- PAPPSO-GQE-Le Moulon, INRAE, CNRS, AgroParisTech, Université Paris-Saclay, 91190 Gif-sur-Yvette, France;
| | - Marceau Quatredeniers
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Barbara Girerd
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Sylvia Cohen-Kaminsky
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Olaf Mercier
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Stéphanie Yen-Nicolaÿ
- UMS Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, Université Paris-Saclay, 92290 Châtenay-Malabry, France; (F.D.); (G.R.); (S.Y.-N.)
| | - Marc Humbert
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - David Montani
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Véronique Capuano
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
| | - Fabrice Antigny
- Faculté de Médecine, Université Paris-Saclay, 94270 Le Kremlin-Bicêtre, France; (H.L.R.); (M.L.); (M.Q.); (B.G.); (S.C.-K.); (O.M.); (M.H.); (D.M.); (V.C.)
- INSERM UMR_S 999, Hypertension Pulmonaire: Physiopathologie et Innovation Thérapeutique, Hôpital Marie Lannelongue, 92350 Le Plessis-Robinson, France
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
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20
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Teschendorff AE, Zhu T, Breeze CE, Beck S. EPISCORE: cell type deconvolution of bulk tissue DNA methylomes from single-cell RNA-Seq data. Genome Biol 2020; 21:221. [PMID: 32883324 PMCID: PMC7650528 DOI: 10.1186/s13059-020-02126-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 07/29/2020] [Indexed: 12/19/2022] Open
Abstract
Cell type heterogeneity presents a challenge to the interpretation of epigenome data, compounded by the difficulty in generating reliable single-cell DNA methylomes for large numbers of cells and samples. We present EPISCORE, a computational algorithm that performs virtual microdissection of bulk tissue DNA methylation data at single cell-type resolution for any solid tissue. EPISCORE applies a probabilistic epigenetic model of gene regulation to a single-cell RNA-seq tissue atlas to generate a tissue-specific DNA methylation reference matrix, allowing quantification of cell-type proportions and cell-type-specific differential methylation signals in bulk tissue data. We validate EPISCORE in multiple epigenome studies and tissue types.
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Affiliation(s)
- Andrew E Teschendorff
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 320 Yue Yang Road, Shanghai, 200031, China.
- UCL Cancer Institute, Paul O'Gorman Building, University College London, 72 Huntley Street, London, WC1E 6BT, UK.
| | - Tianyu Zhu
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 320 Yue Yang Road, Shanghai, 200031, China
| | - Charles E Breeze
- Altius Institute for Biomedical Sciences, 2211 Elliott Avenue, Seattle, USA
| | - Stephan Beck
- UCL Cancer Institute, Paul O'Gorman Building, University College London, 72 Huntley Street, London, WC1E 6BT, UK
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21
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Hsu JY, Major JL, Riching AS, Sen R, Pires da Silva J, Bagchi RA. Beyond the genome: challenges and potential for epigenetics-driven therapeutic approaches in pulmonary arterial hypertension. Biochem Cell Biol 2020; 98:631-646. [PMID: 32706995 DOI: 10.1139/bcb-2020-0039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a devastating disease of the cardiopulmonary system caused by the narrowing of the pulmonary arteries, leading to increased vascular resistance and pressure. This leads to right ventricle remodeling, dysfunction, and eventually, death. While conventional therapies have largely focused on targeting vasodilation, other pathological features of PAH including aberrant inflammation, mitochondrial dynamics, cell proliferation, and migration have not been well explored. Thus, despite some recent improvements in PAH treatment, the life expectancy and quality of life for patients with PAH remains poor. Showing many similarities to cancers, PAH is characterized by increased pulmonary arterial smooth muscle cell proliferation, decreased apoptotic signaling pathways, and changes in metabolism. The recent successes of therapies targeting epigenetic modifiers for the treatment of cancer has prompted epigenetic research in PAH, revealing many new potential therapeutic targets. In this minireview we discuss the emergence of epigenetic dysregulation in PAH and highlight epigenetic-targeting compounds that may be effective for the treatment of PAH.
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Affiliation(s)
- Jessica Y Hsu
- Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jennifer L Major
- Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Andrew S Riching
- Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.,Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Rwik Sen
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Julie Pires da Silva
- Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Rushita A Bagchi
- Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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22
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Affiliation(s)
- Florent Soubrier
- Genetics Department, Hôpital Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, UMR_S 1166-ICAN, Sorbonne-Université, INSERM, Paris, France
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23
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Pullamsetti SS, Nayakanti S, Chelladurai P, Mamazhakypov A, Mansouri S, Savai R, Seeger W. Cancer and pulmonary hypertension: Learning lessons and real-life interplay. Glob Cardiol Sci Pract 2020; 2020:e202010. [PMID: 33150154 PMCID: PMC7590929 DOI: 10.21542/gcsp.2020.10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
This article reviews the scientific reasons that support the intriguing vision of pulmonary hypertension (PH) as a disease with a cancer-like nature and to understand whether this point of view may have fruitful consequences for the overall management of PH. This review compares cancer and PH in view of Hanahan and Weinberg’s principles (i.e., hallmarks of cancer) with an emphasis on hyperproliferative, metabolic, and immune/inflammatory aspects of the disease. In addition, this review provides a perspective on the role of transcription factors and chromatin and epigenetic aberrations, besides genetics, as “common driving mechanisms” of PH hallmarks and the foreseeable use of transcription factor/epigenome targeting as multitarget approach against the hallmarks of PH. Thus, recognition of the widespread applicability and analogy of these concepts will increasingly affect the development of new means of PH treatment.
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Affiliation(s)
- Soni Savai Pullamsetti
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany.,Department of Internal Medicine, Member of the DZL, Member of CPI, Justus Liebig University, Giessen, 35392, Germany
| | - Sreenath Nayakanti
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany
| | - Prakash Chelladurai
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany
| | - Argen Mamazhakypov
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany
| | - Siavash Mansouri
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany
| | - Rajkumar Savai
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany.,Department of Internal Medicine, Member of the DZL, Member of CPI, Justus Liebig University, Giessen, 35392, Germany.,Institute for Lung Health (ILH), Member of the DZL, Justus Liebig University, Giessen, 35392, Germany
| | - Werner Seeger
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, 61231, Germany.,Department of Internal Medicine, Member of the DZL, Member of CPI, Justus Liebig University, Giessen, 35392, Germany.,Institute for Lung Health (ILH), Member of the DZL, Justus Liebig University, Giessen, 35392, Germany
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24
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Harbaum L, Rhodes CJ, Otero-Núñez P, Wharton J, Wilkins MR. The application of 'omics' to pulmonary arterial hypertension. Br J Pharmacol 2020; 178:108-120. [PMID: 32201940 DOI: 10.1111/bph.15056] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/03/2020] [Accepted: 02/18/2020] [Indexed: 12/14/2022] Open
Abstract
Recent genome-wide analyses of rare and common sequence variations have brought greater clarity to the genetic architecture of pulmonary arterial hypertension and implicated novel genes in disease development. Transcriptional signatures have been reported in whole lung tissue, pulmonary vascular cells and peripheral circulating cells. High-throughput platforms for plasma proteomics and metabolomics have identified novel biomarkers associated with clinical outcomes and provided molecular instruments for risk assessment. There are methodological challenges to integrating these datasets, coupled to statistical power limitations inherent to the study of a rare disease, but the expectation is that this approach will reveal novel druggable targets and biomarkers that will open the way to personalized medicine. Here, we review the current state-of-the-art and future promise of 'omics' in the field of translational medicine in pulmonary arterial hypertension. LINKED ARTICLES: This article is part of a themed issue on Risk factors, comorbidities, and comedications in cardioprotection. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v178.1/issuetoc.
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Affiliation(s)
- Lars Harbaum
- National Heart and Lung Institute, Imperial College London, London, UK
| | | | - Pablo Otero-Núñez
- National Heart and Lung Institute, Imperial College London, London, UK
| | - John Wharton
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Martin R Wilkins
- National Heart and Lung Institute, Imperial College London, London, UK
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25
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Potus F, Pauciulo MW, Cook EK, Zhu N, Hsieh A, Welch CL, Shen Y, Tian L, Lima P, Mewburn J, D'Arsigny CL, Lutz KA, Coleman AW, Damico R, Snetsinger B, Martin AY, Hassoun PM, Nichols WC, Chung WK, Rauh MJ, Archer SL. Novel Mutations and Decreased Expression of the Epigenetic Regulator TET2 in Pulmonary Arterial Hypertension. Circulation 2020; 141:1986-2000. [PMID: 32192357 DOI: 10.1161/circulationaha.119.044320] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Pulmonary arterial hypertension (PAH) is a lethal vasculopathy. Hereditary cases are associated with germline mutations in BMPR2 and 16 other genes; however, these mutations occur in <25% of patients with idiopathic PAH and are rare in PAH associated with connective tissue diseases. Preclinical studies suggest epigenetic dysregulation, including altered DNA methylation, promotes PAH. Somatic mutations of Tet-methylcytosine-dioxygenase-2 (TET2), a key enzyme in DNA demethylation, occur in cardiovascular disease and are associated with clonal hematopoiesis, inflammation, and adverse vascular remodeling. The role of TET2 in PAH is unknown. METHODS To test for a role of TET2, we used a cohort of 2572 cases from the PAH Biobank. Within this cohort, gene-specific rare variant association tests were performed using 1832 unrelated European patients with PAH and 7509 non-Finnish European subjects from the Genome Aggregation Database (gnomAD) as control subjects. In an independent cohort of 140 patients, we quantified TET2 expression in peripheral blood mononuclear cells. To assess causality, we investigated hemodynamic and histological evidence of PAH in hematopoietic Tet2-knockout mice. RESULTS We observed an increased burden of rare, predicted deleterious germline variants in TET2 in PAH patients of European ancestry (9/1832) compared with control subjects (6/7509; relative risk=6; P=0.00067). Assessing the whole cohort, 0.39% of patients (10/2572) had 12 TET2 mutations (75% predicted germline and 25% somatic). These patients had no mutations in other PAH-related genes. Patients with TET2 mutations were older (71±7 years versus 48±19 years; P<0.0001), were more unresponsive to vasodilator challenge (0/7 versus 140/1055 [13.2%]), had lower pulmonary vascular resistance (5.2±3.1 versus 10.5±7.0 Wood units; P=0.02), and had increased inflammation (including elevation of interleukin-1β). Circulating TET2 expression did not correlate with age and was decreased in >86% of PAH patients. Tet2-knockout mice spontaneously developed PAH, adverse pulmonary vascular remodeling, and inflammation, with elevated levels of cytokines, including interleukin-1β. Long-term therapy with an antibody targeting interleukin-1β blockade resulted in regression of PAH. CONCLUSIONS PAH is the first human disease related to potential TET2 germline mutations. Inherited and acquired abnormalities of TET2 occur in 0.39% of PAH cases. Decreased TET2 expression is ubiquitous and has potential as a PAH biomarker.
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Affiliation(s)
- François Potus
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
| | - Michael W Pauciulo
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Ohio (M.W.P., K.A.L., A.W.C., W.C.N.)
| | - Elina K Cook
- Department of Pathology and Molecular Medicine (E.K.C., M.J.R.), Queen's University, Kingston, Ontario, Canada
| | - Na Zhu
- Department of Systems Biology (N.Z., A.H., Y.S.), Columbia University Medical Center, New York
| | - Alexander Hsieh
- Department of Systems Biology (N.Z., A.H., Y.S.), Columbia University Medical Center, New York
| | - Carrie L Welch
- Department of Pediatrics (C.L.W., W.K.C.), Columbia University Medical Center, New York
| | - Yufeng Shen
- Department of Systems Biology (N.Z., A.H., Y.S.), Columbia University Medical Center, New York
| | - Lian Tian
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
| | - Patricia Lima
- Queen's Cardiopulmonary Unit, Translational Institute of Medicine, Department of Medicine (P.L.), Queen's University, Kingston, Ontario, Canada
| | - Jeffrey Mewburn
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
| | - Christine L D'Arsigny
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada.,Department of Critical Care (C.L.D.), Queen's University, Kingston, Ontario, Canada
| | - Katie A Lutz
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Ohio (M.W.P., K.A.L., A.W.C., W.C.N.)
| | - Anna W Coleman
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Ohio (M.W.P., K.A.L., A.W.C., W.C.N.)
| | - Rachel Damico
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD (R.D., P.M.H.)
| | - Brooke Snetsinger
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
| | - Ashley Y Martin
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
| | - Paul M Hassoun
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD (R.D., P.M.H.)
| | - William C Nichols
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Ohio (M.W.P., K.A.L., A.W.C., W.C.N.)
| | - Wendy K Chung
- Department of Pediatrics (C.L.W., W.K.C.), Columbia University Medical Center, New York.,Department of Medicine (W.K.C.), Columbia University Medical Center, New York
| | - Michael J Rauh
- Department of Pathology and Molecular Medicine (E.K.C., M.J.R.), Queen's University, Kingston, Ontario, Canada
| | - Stephen L Archer
- Department of Medicine (F.P., L.T., J.M., C.L.D., B.S., A.Y.M., S.L.A.), Queen's University, Kingston, Ontario, Canada
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26
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Napoli C, Benincasa G, Loscalzo J. Epigenetic Inheritance Underlying Pulmonary Arterial Hypertension. Arterioscler Thromb Vasc Biol 2020; 39:653-664. [PMID: 30727752 DOI: 10.1161/atvbaha.118.312262] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In pulmonary arterial hypertension (PAH), the Warburg effect (glycolytic shift) and mitochondrial fission are determinants of phenotype alterations characteristic of the disease, such as proliferation, apoptosis resistance, migration, endothelial-mesenchymal transition, and extracellular matrix stiffness. Current therapies, focusing largely on vasodilation and antithrombotic protection, do not restore these aberrant phenotypes suggesting that additional pathways need be targeted. The multifactorial nature of PAH suggests epigenetic changes as potential determinants of vascular remodeling. Transgenerational epigenetic changes induced by hypoxia can result in permanent changes early in fetal development increasing PAH risk in adulthood. Unlike genetic mutations, epigenetic changes are pharmacologically reversible, making them an attractive target as therapeutic strategies for PAH. This review offers a landscape of the most current clinical, epigenetic-sensitive changes contributing to PAH vascular remodeling both in early and later life, with a focus on a network medicine strategy. Furthermore, we discuss the importance of the application (from morphogenesis to disease onset) of molecular network-based algorithms to dissect PAH molecular pathobiology. Additionally, we suggest an integrated network-based program for clinical disease gene discovery that may reveal novel biomarkers and novel disease targets, thus offering a truly innovative path toward redefining and treating PAH, as well as facilitating the trajectory of a comprehensive precision medicine approach to PAH.
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Affiliation(s)
- Claudio Napoli
- From the Department of Medical, Surgical, Neurological, Metabolic, and Geriatric Sciences (C.N., G.B.), University of Campania Luigi Vanvitelli, Naples, Italy
- Clinical Department of Internal Medicine and Specialistic Units AOU (C.N., G.B.), University of Campania Luigi Vanvitelli, Naples, Italy
| | - Giuditta Benincasa
- From the Department of Medical, Surgical, Neurological, Metabolic, and Geriatric Sciences (C.N., G.B.), University of Campania Luigi Vanvitelli, Naples, Italy
- Clinical Department of Internal Medicine and Specialistic Units AOU (C.N., G.B.), University of Campania Luigi Vanvitelli, Naples, Italy
| | - Joseph Loscalzo
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (J.L.)
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27
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Schultheis H, Kuenne C, Preussner J, Wiegandt R, Fust A, Bentsen M, Looso M. WIlsON: Web-based Interactive Omics VisualizatioN. Bioinformatics 2019; 35:1055-1057. [PMID: 30535135 PMCID: PMC6419899 DOI: 10.1093/bioinformatics/bty711] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 06/12/2018] [Accepted: 08/20/2018] [Indexed: 01/08/2023] Open
Abstract
Motivation High throughput (HT) screens in the omics field are typically analyzed by automated pipelines that generate static visualizations and comprehensive spreadsheet data for scientists. However, exploratory and hypothesis driven data analysis are key aspects of the understanding of biological systems, both generating extensive need for customized and dynamic visualization. Results Here we describe WIlsON, an interactive workbench for analysis and visualization of multi-omics data. It is primarily intended to empower screening platforms to offer access to pre-calculated HT screen results to the non-computational scientist. Facilitated by an open file format, WIlsON supports all types of omics screens, serves results via a web-based dashboard, and enables end users to perform analyses and generate publication-ready plots. Availability and implementation We implemented WIlsON in R with a focus on extensibility using the modular Shiny and Plotly frameworks. A demo of the interactive workbench without limitations may be accessed at http://loosolab.mpi-bn.mpg.de. A standalone Docker container as well as the source code of WIlsON are freely available from our Docker hub https://hub.docker. com/r/loosolab/wilson, CRAN https://cran.r-project.org/web/packages/wilson/, and GitHub repository https://github.molgen.mpg.de/loosolab/wilson-apps, respectively.
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Affiliation(s)
- Hendrik Schultheis
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Carsten Kuenne
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Jens Preussner
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Rene Wiegandt
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Annika Fust
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Mette Bentsen
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
| | - Mario Looso
- Max Planck Institute for Heart and Lung Research, Bioinformatics Core Unit (BCU), 61231 Bad Nauheim, Germany
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28
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Fernández AI, Yotti R, González-Mansilla A, Mombiela T, Gutiérrez-Ibanes E, Pérez del Villar C, Navas-Tejedor P, Chazo C, Martínez-Legazpi P, Fernández-Avilés F, Bermejo J. The Biological Bases of Group 2 Pulmonary Hypertension. Int J Mol Sci 2019; 20:ijms20235884. [PMID: 31771195 PMCID: PMC6928720 DOI: 10.3390/ijms20235884] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 12/12/2022] Open
Abstract
Pulmonary hypertension (PH) is a potentially fatal condition with a prevalence of around 1% in the world population and most commonly caused by left heart disease (PH-LHD). Usually, in PH-LHD, the increase of pulmonary pressure is only conditioned by the retrograde transmission of the left atrial pressure. However, in some cases, the long-term retrograde pressure overload may trigger complex and irreversible biomechanical and biological changes in the pulmonary vasculature. This latter clinical entity, designated as combined pre- and post-capillary PH, is associated with very poor outcomes. The underlying mechanisms of this progression are poorly understood, and most of the current knowledge comes from the field of Group 1-PAH. Treatment is also an unsolved issue in patients with PH-LHD. Targeting the molecular pathways that regulate pulmonary hemodynamics and vascular remodeling has provided excellent results in other forms of PH but has a neutral or detrimental result in patients with PH-LHD. Therefore, a deep and comprehensive biological characterization of PH-LHD is essential to improve the diagnostic and prognostic evaluation of patients and, eventually, identify new therapeutic targets. Ongoing research is aimed at identify candidate genes, variants, non-coding RNAs, and other biomarkers with potential diagnostic and therapeutic implications. In this review, we discuss the state-of-the-art cellular, molecular, genetic, and epigenetic mechanisms potentially involved in PH-LHD. Signaling and effective pathways are particularly emphasized, as well as the current knowledge on -omic biomarkers. Our final aim is to provide readers with the biological foundations on which to ground both clinical and pre-clinical research in the field of PH-LHD.
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Affiliation(s)
- Ana I. Fernández
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Raquel Yotti
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Ana González-Mansilla
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Teresa Mombiela
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Enrique Gutiérrez-Ibanes
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Candelas Pérez del Villar
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Paula Navas-Tejedor
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Christian Chazo
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Pablo Martínez-Legazpi
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Francisco Fernández-Avilés
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
| | - Javier Bermejo
- Department of Cardiology, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain; (A.I.F.); (R.Y.); (A.G.-M.); (T.M.); (E.G.-I.); (C.P.d.V.); (P.N.-T.); (C.C.); (P.M.-L.); (F.F.-A.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Centro de Investigación Biomédica en Red, CIBERCV, Instituto de Salud Carlos III, 28026 Madrid, Spain
- Facultad de Medicine, Universidad Complutense de Madrid, 28007 Madrid, Spain
- Correspondence: ; Tel.: +34-91-586-8279
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Wu D, Birukov K. Endothelial Cell Mechano-Metabolomic Coupling to Disease States in the Lung Microvasculature. Front Bioeng Biotechnol 2019; 7:172. [PMID: 31380363 PMCID: PMC6658821 DOI: 10.3389/fbioe.2019.00172] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 07/03/2019] [Indexed: 12/15/2022] Open
Abstract
Lungs are the most vascular part of humans, accepting the totality of cardiac output in a volume much smaller than the body itself. Due to this cardiac output, the lung microvasculature is subject to mechanical forces including shear stress and cyclic stretch that vary with the cardiac and breathing cycle. Vessels are surrounded by extracellular matrix which dictates the stiffness which endothelial cells also sense and respond to. Shear stress, stiffness, and cyclic stretch are known to influence endothelial cell state. At high shear stress, endothelial cells exhibit cell quiescence marked by low inflammatory markers and high nitric oxide synthesis, whereas at low shear stress, endothelial cells are thought to "activate" into a pro-inflammatory state and have low nitric oxide. Shear stress' profound effect on vascular phenotype is most apparent in the arterial vasculature and in the pathophysiology of vascular inflammation. To conduct the flow of blood from the right heart, the lung microvasculature must be rigid yet compliant. It turns out that excessive substrate rigidity or stiffness is important in the development of pulmonary hypertension and chronic fibrosing lung diseases via excessive cell proliferation or the endothelial-mesenchymal transition. Recently, a new body of literature has evolved that couples mechanical sensing to endothelial phenotypic changes through metabolic signaling in clinically relevant contexts such as pulmonary hypertension, lung injury syndromes, as well as fibrosis, which is the focus of this review. Stretch, like flow, has profound effect on endothelial phenotype; metabolism studies due to stretch are in their infancy.
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Affiliation(s)
- David Wu
- Section of Pulmonary and Critical Care, Department of Medicine, University of Chicago, Chicago, IL, United States
| | - Konstantin Birukov
- Department of Anesthesia, University of Maryland, Baltimore, MD, United States
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Methylation Marks of Blood Leukocytes of Native Hucul Mares Differentiated in Age. Int J Genomics 2019; 2019:2839614. [PMID: 31281827 PMCID: PMC6589255 DOI: 10.1155/2019/2839614] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 04/16/2019] [Indexed: 11/17/2022] Open
Abstract
Horses are one of the longest-living species of farm animals. Advanced age is often associated with a decrease in body condition, dysfunction of immune system, and late-onset disorders. Due to this, the search for new solutions in the prevention and treatment of pathological conditions of the advanced age of horses is desirable. That is why the identification of aging-related changes in the horse genome is interesting in this respect. In the recent years, the research on aging includes studies of age-related epigenetic effects observed on the DNA methylation level. We applied reduced representation bisulfite sequencing (RRBS) to uncover a range of age DMR sites in genomes of blood leukocytes derived from juvenile and aged horses of native Hucul breed. Genes colocated with age-related differentially methylated regions (age DMRs) are the members of pathways involved in cellular signal transduction, immune response, neurogenesis, differentiation, development, and cancer progression. A positive correlation was found between methylation states and gene expression in particular loci from our data set. Some of described age DMR-linked genes were also reported elsewhere. Obtained results contribute to the knowledge about the molecular basis of aging of equine blood cells.
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Harbaum L, Ghataorhe P, Wharton J, Jiménez B, Howard LSG, Gibbs JSR, Nicholson JK, Rhodes CJ, Wilkins MR. Reduced plasma levels of small HDL particles transporting fibrinolytic proteins in pulmonary arterial hypertension. Thorax 2019; 74:380-389. [PMID: 30478197 PMCID: PMC6475111 DOI: 10.1136/thoraxjnl-2018-212144] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 10/28/2018] [Accepted: 11/12/2018] [Indexed: 11/03/2022]
Abstract
BACKGROUND Aberrant lipoprotein metabolism has been implicated in experimental pulmonary hypertension, but the relevance to patients with pulmonary arterial hypertension (PAH) is inconclusive. OBJECTIVE To investigate the relationship between circulating lipoprotein subclasses and survival in patients with PAH. METHODS Using nuclear magnetic resonance spectroscopy, 105 discrete lipoproteins were measured in plasma samples from two cohorts of patients with idiopathic or heritable PAH. Data from 1124 plasma proteins were used to identify proteins linked to lipoprotein subclasses. The physical presence of proteins was confirmed in plasma lipoprotein subfractions separated by ultracentrifugation. RESULTS Plasma levels of three lipoproteins from the small high-density lipoprotein (HDL) subclass, termed HDL-4, were inversely related to survival in both the discovery (n=127) and validation (n=77) cohorts, independent of exercise capacity, comorbidities, treatment, N-terminal probrain natriuretic peptide, C reactive protein and the principal lipoprotein classes. The small HDL subclass rich in apolipoprotein A-2 content (HDL-4-Apo A-2) exhibited the most significant association with survival. None of the other lipoprotein classes, including principal lipoprotein classes HDL and low-density lipoprotein cholesterol, were prognostic. Three out of nine proteins identified to associate with HDL-4-Apo A-2 are involved in the regulation of fibrinolysis, namely, the plasmin regulator, alpha-2-antiplasmin, and two major components of the kallikrein-kinin pathway (coagulation factor XI and prekallikrein), and their physical presence in the HDL-4 subfraction was confirmed. CONCLUSION Reduced plasma levels of small HDL particles transporting fibrinolytic proteins are associated with poor outcomes in patients with idiopathic and heritable PAH.
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Affiliation(s)
- Lars Harbaum
- Department of Medicine, Imperial College London, London, UK
| | | | - John Wharton
- Department of Medicine, Imperial College London, London, UK
| | - Beatriz Jiménez
- Imperial Clinical Phenome Centre, Department of Surgery and Cancer, Imperial College London, London, UK
| | - Luke S G Howard
- National Heart and Lung Institute, Imperial College London, London, UK
- National Pulmonary Hypertension Service, Imperial College Healthcare Trust NHS, London, UK
| | - J Simon R Gibbs
- National Heart and Lung Institute, Imperial College London, London, UK
- National Pulmonary Hypertension Service, Imperial College Healthcare Trust NHS, London, UK
| | - Jeremy K Nicholson
- Division of Computational Systems Medicine, Department of Surgery and Cancer, and Centre for Digestive and Gut Health, Imperial College London, London, UK
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Efimova OA, Pendina AA, Krapivin MI, Kopat VV, Tikhonov AV, Petrovskaia-Kaminskaia AV, Navodnikova PM, Talantova OE, Glotov OS, Baranov VS. Inter-Cell and Inter-Chromosome Variability of 5-Hydroxymethylcytosine Patterns in Noncultured Human Embryonic and Extraembryonic Cells. Cytogenet Genome Res 2018; 156:150-157. [PMID: 30497063 DOI: 10.1159/000493906] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2018] [Indexed: 11/19/2022] Open
Abstract
5-hydroxymethylcytosine (5hmC) is an oxidative derivative of 5-methylcytosine (5mC). Recent studies have revealed a sharp difference in the levels of 5hmC in 2 opposite DNA strands of a given chromosome and a chromosome-wide cell-to-cell variability in mammalian cells. This asymmetric 5hmC distribution was found in cultured cells, which may not fully mimic in vivo epigenetic processes. We have checked whether inter-chromosome and inter-cell variability of 5hmC patterns is typical for noncultured human cells. Using indirect immunofluorescence, we analyzed the localization of 5hmC and its co-distribution with 5mC on direct preparations of mitotically active cells from human embryonic lung and chorionic cytotrophoblast samples. We demonstrated 3 types of chromosomes according to the 5hmC accumulation pattern: hydroxymethylated (5hmC in both sister chromatids), hemihydroxymethylated (5hmC in only 1 sister chromatid), and nonhydroxymethylated ones. Each accumulation type was not specific to any particular chromosome, resulting in different 5hmC patterns between homologous chromosomes, among chromosomes within each metaphase plate, among metaphases in one tissue, and between the tissues. The 5mC distribution was stable: chromosomes were methylated in R-bands and, especially in embryonic lung cells, in the heterochromatic regions 1q12, 9q12, and 16q11.2. Our results provide the first evidence of inter-cell and inter-chromosome variability of 5hmC patterns in human noncultured embryonic and extraembryonic cells.
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MESH Headings
- 5-Methylcytosine/analogs & derivatives
- 5-Methylcytosine/metabolism
- Cell Communication
- Chromosome Aberrations
- Chromosomes, Human, Pair 1
- Chromosomes, Human, Pair 16
- Chromosomes, Human, Pair 9
- DNA Methylation
- Embryo, Mammalian/cytology
- Embryo, Mammalian/metabolism
- Epigenesis, Genetic
- Female
- Fluorescent Antibody Technique
- Humans
- Pregnancy
- Pregnancy Trimester, First
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Dritsoula A, Papaioannou I, Guerra SG, Fonseca C, Martin J, Herrick AL, Abraham DJ, Denton CP, Ponticos M. Molecular Basis for Dysregulated Activation of NKX2-5 in the Vascular Remodeling of Systemic Sclerosis. Arthritis Rheumatol 2018; 70:920-931. [PMID: 29342503 PMCID: PMC6001790 DOI: 10.1002/art.40419] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 01/11/2018] [Indexed: 11/12/2022]
Abstract
OBJECTIVE NKX2-5 is a homeobox transcription factor that is required for the formation of the heart and vessels during development, with significant postnatal down-regulation and reactivation in disease states, characterized by vascular remodeling. The purpose of this study was to investigate mechanisms that activate NKX2-5 expression in diseased vessels, such as systemic sclerosis (scleroderma; SSc)-associated pulmonary hypertension (PH), and to identify genetic variability that potentially underlies susceptibility to specific vascular complications. METHODS We explored NKX2-5 expression in biopsy samples from patients with SSc-associated PH and in pulmonary artery smooth muscle cells (PASMCs) from patients with scleroderma. Disease-associated putative functional single-nucleotide polymorphisms (SNPs) at the NKX2-5 locus were cloned and studied in reporter gene assays. SNP function was further examined through protein-DNA binding assays, chromatin immunoprecipitation assays, and RNA silencing analyses. RESULTS Increased NKX2-5 expression in biopsy samples from patients with SSc-associated PH was localized to remodeled vessels and PASMCs. Meta-analysis of 2 independent scleroderma cohorts revealed an association of rs3131917 with scleroderma (P = 0.029). We demonstrated that disease-associated SNPs are located in a novel functional enhancer, which increases NKX2-5 transcriptional activity through the binding of GATA-6, c-Jun, and myocyte-specific enhancer factor 2C. We also characterized an activator/coactivator transcription-enhancer factor domain 1 (TEAD1)/Yes-associated protein 1 (YAP1) complex, which was bound at rs3095870, another functional SNP, with TEAD1 binding the risk allele and activating the transcription of NKX2-5. CONCLUSION NKX2-5 is genetically associated with scleroderma, pulmonary hypertension, and fibrosis. Functional evidence revealed a regulatory mechanism that results in NKX2-5 transcriptional activation in PASMCs through the interaction of an upstream promoter and a novel downstream enhancer. This mechanism can act as a model for NKX2-5 activation in cardiovascular disease characterized by vascular remodeling.
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Affiliation(s)
| | | | | | | | - Javier Martin
- Instituto de Parasitología y Biomédicina López-Neyra , Granada, Spain
| | - Ariane L Herrick
- University of Manchester, Salford Royal NHS Foundation Trust and Central Manchester NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
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Wang Y, Yan L, Zhang Z, Prado E, Fu L, Xu X, Du L. Epigenetic Regulation and Its Therapeutic Potential in Pulmonary Hypertension. Front Pharmacol 2018; 9:241. [PMID: 29615911 PMCID: PMC5870037 DOI: 10.3389/fphar.2018.00241] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 03/05/2018] [Indexed: 12/21/2022] Open
Abstract
Recent advances in epigenetics have made a tremendous impact on our knowledge of biological phenomena and the environmental stressors on complex diseases. Understanding the mechanism of epigenetic reprogramming during the occurrence of pulmonary hypertension (PH) is important for advanced studies and clinical therapy. In this article, we review the discovery of novel epigenetic mechanisms associated with PH including DNA methylation, histone modification, and noncoding RNA interference. In addition, we highlight the role of epigenetic mechanisms in adult PAH resulting from undesirable perinatal environments-Extrauterine growth restriction (EUGR) and Intrauterine growth retardation (IUGR). Lastly, we give a comprehensive summary for the remaining challenges and discuss future methods of epigenetic targeted therapy for pulmonary hypertension.
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Affiliation(s)
- Yu Wang
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
| | - Lingling Yan
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
| | - Ziming Zhang
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
| | - Eric Prado
- Loma Linda University School of Medicine, Loma Linda, CA, United States
| | - Linchen Fu
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
| | - Xuefeng Xu
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
| | - Lizhong Du
- Department of Pediatrics, Children's Hospital of Zhejiang University, Hangzhou, China
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Ranchoux B, Harvey LD, Ayon RJ, Babicheva A, Bonnet S, Chan SY, Yuan JXJ, Perez VDJ. Endothelial dysfunction in pulmonary arterial hypertension: an evolving landscape (2017 Grover Conference Series). Pulm Circ 2018; 8:2045893217752912. [PMID: 29283043 PMCID: PMC5798691 DOI: 10.1177/2045893217752912] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 12/18/2017] [Indexed: 02/06/2023] Open
Abstract
Endothelial dysfunction is a major player in the development and progression of vascular pathology in pulmonary arterial hypertension (PAH), a disease associated with small vessel loss and obstructive vasculopathy that leads to increased pulmonary vascular resistance, subsequent right heart failure, and premature death. Over the past ten years, there has been tremendous progress in our understanding of pulmonary endothelial biology as it pertains to the genetic and molecular mechanisms that orchestrate the endothelial response to direct or indirect injury, and how their dysregulation can contribute to the pathogenesis of PAH. As one of the major topics included in the 2017 Grover Conference Series, discussion centered on recent developments in four areas of pulmonary endothelial biology: (1) angiogenesis; (2) endothelial-mesenchymal transition (EndMT); (3) epigenetics; and (4) biology of voltage-gated ion channels. The present review will summarize the content of these discussions and provide a perspective on the most promising aspects of endothelial dysfunction that may be amenable for therapeutic development.
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Affiliation(s)
| | - Lloyd D. Harvey
- University of Pittsburgh Vascular Medicine Institute Division of Cardiology, Pittsburgh, PA, USA
| | - Ramon J. Ayon
- Division of Translational and Regenerative Medicine, The University of Arizona College of Medicine, Tucson, AZ, USA
| | - Aleksandra Babicheva
- Division of Translational and Regenerative Medicine, The University of Arizona College of Medicine, Tucson, AZ, USA
| | | | - Stephen Y. Chan
- University of Pittsburgh Vascular Medicine Institute Division of Cardiology, Pittsburgh, PA, USA
| | - Jason X.-J. Yuan
- Division of Translational and Regenerative Medicine, The University of Arizona College of Medicine, Tucson, AZ, USA
| | - Vinicio de Jesus Perez
- Division of Pulmonary and Critical Care Medicine, Stanford University Medical Center, Stanford, CA, USA
- The Vera Moulton Wall Center for Pulmonary Vascular Medicine, Stanford University Medical Center, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University Medical Center, Stanford, CA, USA
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36
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Ruffenach G, Bonnet S, Rousseaux S, Khochbin S, Provencher S, Perros F. Identity crisis in pulmonary arterial hypertension. Pulm Circ 2018; 8:2045893217746054. [PMID: 29206084 PMCID: PMC5731718 DOI: 10.1177/2045893217746054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 09/14/2017] [Indexed: 11/17/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) shares many hallmarks with cancer. Cancer cells acquire their hallmarks by a pathological Darwinian evolution process built on the so-called cancer cell "identity crisis." Here we demonstrate that PAH shares the most striking features of the cancer identity crisis: the ectopic expression of normally silent tissue-specific genes.
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Affiliation(s)
- G. Ruffenach
- Groupe de recherche en hypertension pulmonaire et biologie vasculaire, Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, QC, Canada
| | - S. Bonnet
- Groupe de recherche en hypertension pulmonaire et biologie vasculaire, Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, QC, Canada
| | - S. Rousseaux
- CNRS UMR5309, Inserm U1209, Université de Grenobles Alpes, Institut Albert Bonniot, Grenoble, France
| | - S. Khochbin
- CNRS UMR5309, Inserm U1209, Université de Grenobles Alpes, Institut Albert Bonniot, Grenoble, France
| | - S. Provencher
- Groupe de recherche en hypertension pulmonaire et biologie vasculaire, Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, QC, Canada
| | - F. Perros
- Groupe de recherche en hypertension pulmonaire et biologie vasculaire, Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, QC, Canada
- INSERM UMR_S 999, Université Paris–Sud, Laboratoire d’Excellence (LabEx) en Recherche sur le Médicament et l’Innovation Thérapeutique (LERMIT), Centre Chirurgical Marie Lannelongue, Le Plessis Robinson, France
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