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Griffiths K, Grand RJ, Horan I, Certo M, Keeler RC, Mauro C, Tseng CC, Greig I, Morrell NW, Zanda M, Frenneaux MP, Madhani M. Fluorinated perhexiline derivative attenuates vascular proliferation in pulmonary arterial hypertension smooth muscle cells. Vascul Pharmacol 2024; 156:107399. [PMID: 38901807 DOI: 10.1016/j.vph.2024.107399] [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: 08/22/2023] [Revised: 04/30/2024] [Accepted: 05/26/2024] [Indexed: 06/22/2024]
Abstract
Increased proliferation and reduced apoptosis of pulmonary artery smooth muscle cells (PASMCs) is recognised as a universal hallmark of pulmonary arterial hypertension (PAH), in part related to the association with reduced pyruvate dehydrogenase (PDH) activity, resulting in decreased oxidative phosphorylation of glucose and increased aerobic glycolysis (Warburg effect). Perhexiline is a well-recognised carnitine palmitoyltransferase-1 (CPT1) inhibitor used in cardiac diseases, which reciprocally increases PDH activity, but is associated with variable pharmacokinetics related to polymorphic variation of the cytochrome P450-2D6 (CYP2D6) enzyme, resulting in the risk of neuro and hepatotoxicity in 'slow metabolisers' unless blood levels are monitored and dose adjusted. We have previously reported that a novel perhexiline fluorinated derivative (FPER-1) has the same therapeutic profile as perhexiline but is not metabolised by CYP2D6, resulting in more predictable pharmacokinetics than the parent drug. We sought to investigate the effects of perhexiline and FPER-1 on PDH flux in PASMCs from patients with PAH. We first confirmed that PAH PASMCs exhibited increased cell proliferation, enhanced phosphorylation of AKTSer473, ERK 1/2Thr202/Tyr204 and PDH-E1αSer293, indicating a Warburg effect when compared to healthy PASMCs. Pre-treatment with perhexiline or FPER-1 significantly attenuated PAH PASMC proliferation in a concentration-dependent manner and suppressed the activation of the AKTSer473 but had no effect on the ERK pathway. Perhexiline and FPER-1 markedly activated PDH (seen as dephosphorylation of PDH-E1αSer293), reduced glycolysis, and upregulated mitochondrial respiration in these PAH PASMCs as detected by Seahorse analysis. However, both perhexiline and FPER-1 did not induce apoptosis as measured by caspase 3/7 activity. We show for the first time that both perhexiline and FPER-1 may represent therapeutic agents for reducing cell proliferation in human PAH PASMCs, by reversing Warburg physiology.
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Affiliation(s)
- Kayleigh Griffiths
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Roger J Grand
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Ian Horan
- Department for Medicine, University of Cambridge, Cambridge, UK
| | - Michelangelo Certo
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Ross C Keeler
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Claudio Mauro
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Chih-Chung Tseng
- Kosterlitz Centre for Therapeutics, University of Aberdeen, Aberdeen, UK
| | - Iain Greig
- Kosterlitz Centre for Therapeutics, University of Aberdeen, Aberdeen, UK
| | | | - Matteo Zanda
- The Institute of Chemical Sciences and Technologies, Milan, Italy
| | | | - Melanie Madhani
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK.
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2
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Liu Y, Tang B, Wang H, Lu M. Otud6b induces pulmonary arterial hypertension by mediating the Calpain-1/HIF-1α signaling pathway. Cell Mol Life Sci 2024; 81:258. [PMID: 38878112 DOI: 10.1007/s00018-024-05291-3] [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: 01/18/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/29/2024]
Abstract
Pulmonary hypertension (PAH) is a cardiopulmonary disease in which pulmonary artery pressure continues to rise, leading to right heart failure and death. Otud6b is a member of the ubiquitin family and is involved in cell proliferation, apoptosis and inflammation. The aim of this study was to understand the role and mechanism of Otud6b in PAH. C57BL/6 and Calpain-1 knockout (KO) mice were exposed to a PAH model induced by 10% oxygen. Human pulmonary artery endothelial cells (HPACEs) and human pulmonary artery smooth muscle cells (HPASMCs) were exposed to 3% oxygen to establish an in vitro model. Proteomics was used to determine the role of Otud6b and its relationship to Calpain-1/HIF-1α signaling. The increased expression of Otud6b is associated with the progression of PAH. ROtud6b activates Otud6b, induces HIF-1α activation, increases the production of ET-1 and VEGF, and further aggravates endothelial injury. Reducing Otud6b expression by tracheal infusion of siOtud6b has the opposite effect, improving hemodynamic and cardiac response to PAH, reducing the release of Calpain-1 and HIF-1α, and eliminating the pro-inflammatory and apoptotic effects of Otud6b. At the same time, we also found that blocking Calpain-1 reduced the effect of Otud6b on HIF-1α, and inhibiting HIF-1α reduced the expression of Calpain-1 and Otud6b. Our study shows that increased Otud6b expression during hypoxia promotes the development of PAH models through a positive feedback loop between HIF-1α and Calpain-1. Therefore, we use Otud6b as a biomarker of PAH severity, and regulating Otud6b expression may be an effective target for the treatment of PAH.
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MESH Headings
- Animals
- Humans
- Male
- Mice
- Calpain/metabolism
- Calpain/genetics
- Disease Models, Animal
- Endopeptidases/metabolism
- Endopeptidases/genetics
- Endothelial Cells/metabolism
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/pathology
- Hypertension, Pulmonary/genetics
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Mice, Inbred C57BL
- Mice, Knockout
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Pulmonary Arterial Hypertension/metabolism
- Pulmonary Arterial Hypertension/pathology
- Pulmonary Arterial Hypertension/genetics
- Pulmonary Artery/metabolism
- Pulmonary Artery/pathology
- Signal Transduction
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Affiliation(s)
- Yu Liu
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China
- School of Pharmacy, Harbin Medical University, Harbin, China
| | - Bailin Tang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China
- Tongji Medical College of Basic Sciences, Huazhong University of Science and Technology, Wuhan, China
| | - Hongxin Wang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China
| | - Meili Lu
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China.
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3
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Miguel V, Alcalde-Estévez E, Sirera B, Rodríguez-Pascual F, Lamas S. Metabolism and bioenergetics in the pathophysiology of organ fibrosis. Free Radic Biol Med 2024; 222:85-105. [PMID: 38838921 DOI: 10.1016/j.freeradbiomed.2024.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 05/15/2024] [Accepted: 06/02/2024] [Indexed: 06/07/2024]
Abstract
Fibrosis is the tissue scarring characterized by excess deposition of extracellular matrix (ECM) proteins, mainly collagens. A fibrotic response can take place in any tissue of the body and is the result of an imbalanced reaction to inflammation and wound healing. Metabolism has emerged as a major driver of fibrotic diseases. While glycolytic shifts appear to be a key metabolic switch in activated stromal ECM-producing cells, several other cell types such as immune cells, whose functions are intricately connected to their metabolic characteristics, form a complex network of pro-fibrotic cellular crosstalk. This review purports to clarify shared and particular cellular responses and mechanisms across organs and etiologies. We discuss the impact of the cell-type specific metabolic reprogramming in fibrotic diseases in both experimental and human pathology settings, providing a rationale for new therapeutic interventions based on metabolism-targeted antifibrotic agents.
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Affiliation(s)
- Verónica Miguel
- Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.
| | - Elena Alcalde-Estévez
- Program of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CBMSO) (CSIC-UAM), Madrid, Spain; Department of Systems Biology, Facultad de Medicina y Ciencias de la Salud, Universidad de Alcalá, Alcalá de Henares, Spain
| | - Belén Sirera
- Program of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CBMSO) (CSIC-UAM), Madrid, Spain
| | - Fernando Rodríguez-Pascual
- Program of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CBMSO) (CSIC-UAM), Madrid, Spain
| | - Santiago Lamas
- Program of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CBMSO) (CSIC-UAM), Madrid, Spain.
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Lewis A, Humphreys DT, Pan-Castillo B, Berti G, Felice C, Gordon H, Gadhok R, Nijhuis A, Mehta S S, Eleid L, Iqbal S, Armuzzi A, Minicozzi A, Giannoulatou E, ChinAleong J, Feakins R, Sagi-Kiss V, Barisic D, Koufaki MI, Bundy JG, Lindsay JO, Silver A. Epigenetic and Metabolic Reprogramming of Fibroblasts in Crohn's Disease Strictures Reveals Histone Deacetylases as Therapeutic Targets. J Crohns Colitis 2024; 18:895-907. [PMID: 38069679 PMCID: PMC11147807 DOI: 10.1093/ecco-jcc/jjad209] [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: 09/07/2023] [Revised: 11/26/2023] [Accepted: 12/05/2023] [Indexed: 06/05/2024]
Abstract
BACKGROUND AND AIMS No effective therapeutic intervention exists for intestinal fibrosis in Crohn's disease [CD]. We characterized fibroblast subtypes, epigenetic and metabolic changes, and signalling pathways in CD fibrosis to inform future therapeutic strategies. METHODS We undertook immunohistochemistry, metabolic, signalling pathway and epigenetic [Transposase-Accessible Chromatin using sequencing] analyses associated with collagen production in CCD-18Co intestinal fibroblasts and primary fibroblasts isolated from stricturing [SCD] and non-stricturing [NSCD] CD small intestine. SCD/NSCD fibroblasts were cultured with TGFβ and valproic acid [VPA]. RESULTS Stricturing CD was characterized by distinct histone deacetylase [HDAC] expression profiles, particularly HDAC1, HDAC2, and HDAC7. As a proxy for HDAC activity, reduced numbers of H3K27ac+ cells were found in SCD compared to NSCD sections. Primary fibroblasts had increased extracellular lactate [increased glycolytic activity] and intracellular hydroxyproline [increased collagen production] in SCD compared to NSCD cultures. The metabolic effect of TGFβ stimulation was reversed by the HDAC inhibitor VPA. SCD fibroblasts appeared 'metabolically primed' and responded more strongly to both TGFβ and VPA. Treatment with VPA revealed TGFβ-dependent and TGFβ-independent Collagen-I production in CCD-18Co cells and primary fibroblasts. VPA altered the epigenetic landscape with reduced chromatin accessibility at the COL1A1 and COL1A2 promoters. CONCLUSIONS Increased HDAC expression profiles, H3K27ac hypoacetylation, a significant glycolytic phenotype and metabolic priming characterize SCD-derived as compared to NSCD fibroblasts. Our results reveal a novel epigenetic component to Collagen-I regulation and TGFβ-mediated CD fibrosis. HDAC inhibitor therapy may 'reset' the epigenetic changes associated with fibrosis.
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Affiliation(s)
- Amy Lewis
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - David T Humphreys
- Victor Chang Cardiac Research Institute, Sydney, NSW 2010, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, NSW 2052, Australia
| | - Belen Pan-Castillo
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Giulio Berti
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Carla Felice
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
- Department of Internal Medicine University of Padua, Internal Medicine 1 Unit, Ca' Foncello Hospital, Treviso, Italy
| | - Hannah Gordon
- Centre for Immunobiology, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Radha Gadhok
- Centre for Immunobiology, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Anke Nijhuis
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Shameer Mehta S
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Liliane Eleid
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Sidra Iqbal
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | | | - Annamaria Minicozzi
- Department of Colorectal Surgery, Division of Surgery & Perioperative Care, The Royal London Hospital, Whitechapel, London E1 1BB, UK
| | - Eleni Giannoulatou
- Victor Chang Cardiac Research Institute, Sydney, NSW 2010, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, NSW 2052, Australia
| | - Joanne ChinAleong
- Department of Histopathology, The Royal London Hospital, London E1 1BB, UK
| | - Roger Feakins
- Department of Cellular Pathology, Royal Free London NHS Foundation Trust, London NW3 2QG, UK
| | - Virag Sagi-Kiss
- Department of Metabolism, Digestion and Reproduction, Imperial College London, Burlington Danes Building, Du Cane Road, London W12 0NN, UK
| | - Dora Barisic
- Department of Metabolism, Digestion and Reproduction, Imperial College London, Burlington Danes Building, Du Cane Road, London W12 0NN, UK
| | - Margarita-Ioanna Koufaki
- Department of Metabolism, Digestion and Reproduction, Imperial College London, Burlington Danes Building, Du Cane Road, London W12 0NN, UK
| | - Jacob G Bundy
- Department of Metabolism, Digestion and Reproduction, Imperial College London, Burlington Danes Building, Du Cane Road, London W12 0NN, UK
| | - James O Lindsay
- Centre for Immunobiology, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
| | - Andrew Silver
- Centre for Genomics and Child Health, Blizard Institute, Barts and The London School of Medicine & Dentistry, London E1 2AT, UK
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Sun Y, Chen C, Yan Q, Wang S, Tan Y, Long J, Lin Y, Ning S, Wang J, Zhang S, Ai Q, Liu S. A peripheral system disease-Pulmonary hypertension. Biomed Pharmacother 2024; 175:116787. [PMID: 38788548 DOI: 10.1016/j.biopha.2024.116787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 05/07/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
Pulmonary hypertension (PH) is a cardiovascular disorder characterized by substantial morbidity and mortality rates. It is a chronic condition characterized by intricate pathogenesis and uncontrollable factors. We summarized the pathological effects of estrogen, genetics, neuroinflammation, intestinal microbiota, metabolic reorganization, and histone modification on PH. PH is not only a pulmonary vascular disease, but also a systemic disease. The findings emphasize that the onset of PH is not exclusively confined to the pulmonary vasculature, consequently necessitating treatment approaches that extend beyond targeting pulmonary blood vessels. Hence, the research on the pathological mechanism of PH is not limited to target organs such as pulmonary vessels, but also focuses on exploring other fields (such as estrogen, genetics, neuroinflammation, intestinal microbiota, metabolic reorganization, and histone modification).
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Affiliation(s)
- Yang Sun
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Chen Chen
- Department of Pharmacy, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Qian Yan
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Siying Wang
- Pharmacy Department, Xiangtan Central Hospital, Xiangtan 411100, China
| | - Yong Tan
- Nephrology Department, Xiangtan Central Hospital, Xiangtan 411100, China
| | - Junpeng Long
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Yuting Lin
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Shuangcheng Ning
- Department of Pharmacy, Changsha Hospital for Maternal & Child Health Care Affiliated to Hunan Normal University, Changsha 410007, China
| | - Jin Wang
- Department of Pharmacy, Changsha Hospital for Maternal & Child Health Care Affiliated to Hunan Normal University, Changsha 410007, China
| | - Shusheng Zhang
- Department of Pharmacy, Changsha Hospital for Maternal & Child Health Care Affiliated to Hunan Normal University, Changsha 410007, China.
| | - Qidi Ai
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
| | - Shasha Liu
- Department of Pharmacy, Changsha Hospital for Maternal & Child Health Care Affiliated to Hunan Normal University, Changsha 410007, China.
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6
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Liu X, Li Z. The role and mechanism of epigenetics in anticancer drug-induced cardiotoxicity. Basic Res Cardiol 2024:10.1007/s00395-024-01054-0. [PMID: 38724618 DOI: 10.1007/s00395-024-01054-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/20/2024] [Accepted: 05/03/2024] [Indexed: 05/23/2024]
Abstract
Cardiovascular disease is the main factor contributing to the global burden of diseases, and the cardiotoxicity caused by anticancer drugs is an essential component that cannot be ignored. With the development of anticancer drugs, the survival period of cancer patients is prolonged; however, the cardiotoxicity caused by anticancer drugs is becoming increasingly prominent. Currently, cardiovascular disease has emerged as the second leading cause of mortality among long-term cancer survivors. Anticancer drug-induced cardiotoxicity has become a frontier and hot topic. The discovery of epigenetics has given the possibility of environmental changes in gene expression, protein synthesis, and traits. It has been found that epigenetics plays a pivotal role in promoting cardiovascular diseases, such as heart failure, coronary heart disease, and hypertension. In recent years, increasing studies have underscored the crucial roles played by epigenetics in anticancer drug-induced cardiotoxicity. Here, we provide a comprehensive overview of the role and mechanisms of epigenetics in anticancer drug-induced cardiotoxicity.
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Affiliation(s)
- Xuening Liu
- Department of Pharmacy, Peking University Third Hospital, Beijing, 100191, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Zijian Li
- Department of Pharmacy, Peking University Third Hospital, Beijing, 100191, China.
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China.
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital; State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China.
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7
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Wang J, Liu C, Huang SS, Wang HF, Cheng CY, Ma JS, Li RN, Lian TY, Li XM, Ma YJ, Jing ZC. Functions and novel regulatory mechanisms of key glycolytic enzymes in pulmonary arterial hypertension. Eur J Pharmacol 2024; 970:176492. [PMID: 38503401 DOI: 10.1016/j.ejphar.2024.176492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/23/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
Pulmonary arterial hypertension (PAH) is a progressive vascular disease characterized by remodeling of the pulmonary vasculature and elevated pulmonary arterial pressure, ultimately leading to right heart failure and death. Despite its clinical significance, the precise molecular mechanisms driving PAH pathogenesis warrant confirmation. Compelling evidence indicates that during the development of PAH, pulmonary vascular cells exhibit a preference for energy generation through aerobic glycolysis, known as the "Warburg effect", even in well-oxygenated conditions. This metabolic shift results in imbalanced metabolism, increased proliferation, and severe pulmonary vascular remodeling. Exploring the Warburg effect and its interplay with glycolytic enzymes in the context of PAH has yielded current insights into emerging drug candidates targeting enzymes and intermediates involved in glucose metabolism. This sheds light on both opportunities and challenges in the realm of antiglycolytic therapy for PAH.
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Affiliation(s)
- Jia Wang
- Department of Medical Laboratory, Shandong Second Medical University, Weifang, 261053, China
| | - Chao Liu
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Shen-Shen Huang
- The First Affiliated Hospital of Henan University of Science and Technology Clinical Medical College, Henan University of Science and Technology, Luoyang, 471003, China
| | - Hui-Fang Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine Sciences, Hebei Medical University, Shijiazhuang, 050011, China
| | - Chun-Yan Cheng
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences, Southern Medical University. Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, 510080, China
| | - Jing-Si Ma
- Department of School of Pharmacy, Henan University, North Section of Jinming Avenue, Longting District, Kaifeng, 475100, China
| | - Ruo-Nan Li
- Department of School of Pharmacy, Henan University, North Section of Jinming Avenue, Longting District, Kaifeng, 475100, China
| | - Tian-Yu Lian
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences, Southern Medical University. Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, 510080, China
| | - Xian-Mei Li
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Yue-Jiao Ma
- National Infrastructures for Translational Medicine, Institute of Clinical Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
| | - Zhi-Cheng Jing
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences, Southern Medical University. Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, 510080, China.
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Banerjee S, Onwunyi VRC, Hong J, Martineau S, Fishbein GA, Bonnet SB, Provencher S, Bonnet S, Umar S. RV-specific Targeting of Snai1 Rescues Pulmonary Hypertension-induced Right Ventricular Failure by Inhibiting EndMT and Fibrosis via LOXL2 Mediated Mechanism. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.30.591766. [PMID: 38746200 PMCID: PMC11092652 DOI: 10.1101/2024.04.30.591766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Background Pulmonary hypertension (PH)-induced right ventricular (RV) failure (PH-RVF) is a significant prognostic determinant of mortality and is characterized by RV hypertrophy, endothelial-to-mesenchymal transition (EndMT), fibroblast-to-myofibroblast transition (FMT), fibrosis, and extracellular matrix (ECM)-remodeling. Despite the importance of RV function in PH, the mechanistic details of PH-RVF, especially the regulatory control of RV EndMT, FMT, and fibrosis, remain unclear. The action of transcription factor Snai1 is shown to be mediated through LOXL2 recruitment, and their co-translocation to the nucleus, during EndMT progression. We hypothesize that RV EndMT and fibrosis in PH-RVF are governed by the TGFβ1-Snai1-LOXL2 axis. Furthermore, targeting Snai1 could serve as a novel therapeutic strategy for PH-RVF. Methods Adult male Sprague Dawley rats (250-300g) received either a single subcutaneous injection of Monocrotaline (MCT, 60mg/kg, n=9; followed for 30-days) or Sugen (SU5416 20mg/kg, n=9; 10% O 2 hypoxia for 3-weeks followed by normoxia for 2-weeks) or PBS (CTRL, n=9). We performed secondary bioinformatics analysis on the RV bulk RNA-Seq data from MCT, SuHx, and PAB rats and human PH-PVF. We validated EndMT and FMT and their association with Snai1 and LOXL2 in the RVs of MCT and SuHx rat models and human PH-RVF using immunofluorescence, qPCR, and Western blots. For in vivo Snai1 knockdown (Snai1-KD), MCT-rats either received Snai1-siRNA (n=7; 5nM/injection every 3-4 days; 4-injections) or scramble (SCRM-KD; n=7) through tail vein from day 14-30 after MCT. Echocardiography and catheterization were performed terminally. Bulk RNASeq and differential expression analysis were performed on Snai1- and SCRM-KD rat RVs. In vitro Snai1-KD was performed on human coronary artery endothelial cells (HCAECs) and human cardiac fibroblasts (HCFs) under hypoxia+TGFβ1 for 72-hrs. Results PH-RVF had increased RVSP and Fulton index and decreased RV fractional area change (RVFAC %). RV RNASeq demonstrated EndMT as the common top-upregulated pathway between rat (MCT, SuHx, and PAB) and human PH-RVF. Immunofluorescence using EndMT- and FMT-specific markers demonstrated increased EndMT and FMT in RV of MCT and SuHx rats and PH-RVF patients. Further, RV expression of TGFβ1, Snai1, and LOXL2 was increased in MCT and SuHx. Nuclear co-localization and increased immunoreactivity, transcript, and protein levels of Snai1 and LOXL2 were observed in MCT and SuHx rats and human RVs. MCT rats treated with Snai1-siRNA demonstrated decreased Snai1 expression, RVSP, Fulton index, and increased RVFAC. Snai1-KD resulted in decreased RV-EndMT, FMT, and fibrosis via a LOXL2-dependent manner. Further, Snai1-KD inhibited hypoxia+TGFβ1-induced EndMT in HCAECs and FMT in HCFs in vitro by decreasing perinuclear/nuclear Snai1+LOXL2 expression and co-localization. Conclusions RV-specific targeting of Snai1 rescues PH-RVF by inhibiting EndMT and Fibrosis via a LOXL2-mediated mechanism.
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Yokokawa T, Nishiura K, Katahira M, Sato Y, Miura S, Sato A, Shimizu T, Misaka T, Sato T, Kaneshiro T, Oikawa M, Yoshihisa A, Sugimoto K, Fukushima K, Nakazato K, Takeishi Y. Collagen Triple Helix Repeat-Containing Protein 1 Is a Novel Biomarker of Right Ventricular Involvement in Pulmonary Hypertension. Can J Cardiol 2024:S0828-282X(24)00337-4. [PMID: 38692430 DOI: 10.1016/j.cjca.2024.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024] Open
Abstract
BACKGROUND Pulmonary hypertension leads to right ventricular failure, which is a major determinant of prognosis. Circulating biomarkers for right ventricular function are poorly explored in pulmonary hypertension. This study aimed to clarify the significance of collagen triple helix repeat-containing protein 1 (CTHRC1) as a biomarker of right ventricular failure in pulmonary hypertension. METHODS A monocrotaline-induced pulmonary hypertension rat model was used to evaluate right ventricular CTHRC1 expression and its relationship with fibrosis. Next, human plasma CTHRC1 levels were measured in controls (n = 20), pulmonary arterial hypertension (n = 46), and patients with chronic thromboembolic pulmonary hypertension (CTEPH) (n = 64) before the first and after the final balloon pulmonary angioplasty. RESULTS CTHRC1 expression was higher in the right ventricles of rats with monocrotaline-induced pulmonary hypertension than in those of controls. CTHRC1 was colocalized with vimentin and associated with fibrosis in the right ventricles. Plasma CTHRC1 levels were higher in human patients with pulmonary arterial hypertension (P = 0.006) and CTEPH (P = 0.011) than in controls. Plasma CTHRC levels were correlated with B-type natriuretic peptide (R = 0.355, P < 0.001), tricuspid lateral annular peak systolic velocity (R = -0.213, P = 0.029), and right ventricular fractional area change (R = -0.225, P = 0.017). Finally, plasma CTHRC1 levels were decreased after the final balloon pulmonary angioplasty (P < 0.001) in CTEPH. CONCLUSIONS CTHRC1 can be a circulating biomarker associated with right ventricular function and fibrosis in pulmonary hypertension and might reflect the therapeutic efficacy of balloon pulmonary angioplasty in CTEPH.
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Affiliation(s)
- Tetsuro Yokokawa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan.
| | - Kazuto Nishiura
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Masataka Katahira
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Shunsuke Miura
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Akihiko Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takeshi Shimizu
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan; Department of Community Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takashi Kaneshiro
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan; Department of Clinical Laboratory Sciences, Fukushima Medical University, ukushima, Japan
| | - Koichi Sugimoto
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kenji Fukushima
- Department of Radiology and Nuclear Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kazuhiko Nakazato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yasuchika Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
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10
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Bessa-Gonçalves M, Bragança B, Martins-Dias E, Vinhas A, Certal M, Rodrigues T, Ferreirinha F, Costa MA, Correia-de-Sá P, Fontes-Sousa AP. Blockage of the adenosine A 2B receptor prevents cardiac fibroblasts overgrowth in rats with pulmonary arterial hypertension. Purinergic Signal 2024; 20:163-179. [PMID: 37402944 PMCID: PMC10997572 DOI: 10.1007/s11302-023-09952-z] [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: 03/16/2023] [Accepted: 06/12/2023] [Indexed: 07/06/2023] Open
Abstract
Sustained pressure overload and fibrosis of the right ventricle (RV) are the leading causes of mortality in pulmonary arterial hypertension (PAH). Although the role of adenosine in PAH has been attributed to the control of pulmonary vascular tone, cardiac reserve, and inflammatory processes, the involvement of the nucleoside in RV remodelling remains poorly understood. Conflicting results exist on targeting the low-affinity adenosine A2B receptor (A2BAR) for the treatment of PAH mostly because it displays dual roles in acute vs. chronic lung diseases. Herein, we investigated the role of the A2BAR in the viability/proliferation and collagen production by cardiac fibroblasts (CFs) isolated from RVs of rats with monocrotaline (MCT)-induced PAH. CFs from MCT-treated rats display higher cell viability/proliferation capacity and overexpress A2BAR compared to the cells from healthy littermates. The enzymatically stable adenosine analogue, 5'-N-ethylcarboxamidoadenosine (NECA, 1-30 μM), concentration-dependently increased growth, and type I collagen production by CFs originated from control and PAH rats, but its effects were more prominent in cells from rats with PAH. Blockage of the A2BAR with PSB603 (100 nM), but not of the A2AAR with SCH442416 (100 nM), attenuated the proliferative effect of NECA in CFs from PAH rats. The A2AAR agonist, CGS21680 (3 and 10 nM), was virtually devoid of effect. Overall, data suggest that adenosine signalling via A2BAR may contribute to RV overgrowth secondary to PAH. Therefore, blockage of the A2AAR may be a valuable therapeutic alternative to mitigate cardiac remodelling and prevent right heart failure in PAH patients.
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Affiliation(s)
- Mafalda Bessa-Gonçalves
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Bruno Bragança
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
- Departamento de Cardiologia, Centro Hospitalar Tâmega e Sousa, Penafiel, Portugal
| | - Eduardo Martins-Dias
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Adriana Vinhas
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Mariana Certal
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Tânia Rodrigues
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Fátima Ferreirinha
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Maria Adelina Costa
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
- Departamento de Química, ICBAS-UP, Porto, Portugal
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
| | - Ana Patrícia Fontes-Sousa
- Laboratório de Farmacologia e Neurobiologia, Departamento de Imuno-Fisiologia e Farmacologia/Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
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11
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Kopecky BJ, Lavine KJ. Cardiac macrophage metabolism in health and disease. Trends Endocrinol Metab 2024; 35:249-262. [PMID: 37993313 PMCID: PMC10949041 DOI: 10.1016/j.tem.2023.10.011] [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: 08/11/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/24/2023]
Abstract
Cardiac macrophages are essential mediators of cardiac development, tissue homeostasis, and response to injury. Cell-intrinsic shifts in metabolism and availability of metabolites regulate macrophage function. The human and mouse heart contain a heterogeneous compilation of cardiac macrophages that are derived from at least two distinct lineages. In this review, we detail the unique functional roles and metabolic profiles of tissue-resident and monocyte-derived cardiac macrophages during embryonic development and adult tissue homeostasis and in response to pathologic and physiologic stressors. We discuss the metabolic preferences of each macrophage lineage and how metabolism influences monocyte fate specification. Finally, we highlight the contribution of cardiac macrophages and derived metabolites on cell-cell communication, metabolic health, and disease pathogenesis.
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Affiliation(s)
- Benjamin J Kopecky
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Kory J Lavine
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA; Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA.
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12
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Dong H, Sun Y, Nie L, Cui A, Zhao P, Leung WK, Wang Q. Metabolic memory: mechanisms and diseases. Signal Transduct Target Ther 2024; 9:38. [PMID: 38413567 PMCID: PMC10899265 DOI: 10.1038/s41392-024-01755-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/29/2024] Open
Abstract
Metabolic diseases and their complications impose health and economic burdens worldwide. Evidence from past experimental studies and clinical trials suggests our body may have the ability to remember the past metabolic environment, such as hyperglycemia or hyperlipidemia, thus leading to chronic inflammatory disorders and other diseases even after the elimination of these metabolic environments. The long-term effects of that aberrant metabolism on the body have been summarized as metabolic memory and are found to assume a crucial role in states of health and disease. Multiple molecular mechanisms collectively participate in metabolic memory management, resulting in different cellular alterations as well as tissue and organ dysfunctions, culminating in disease progression and even affecting offspring. The elucidation and expansion of the concept of metabolic memory provides more comprehensive insight into pathogenic mechanisms underlying metabolic diseases and complications and promises to be a new target in disease detection and management. Here, we retrace the history of relevant research on metabolic memory and summarize its salient characteristics. We provide a detailed discussion of the mechanisms by which metabolic memory may be involved in disease development at molecular, cellular, and organ levels, with emphasis on the impact of epigenetic modulations. Finally, we present some of the pivotal findings arguing in favor of targeting metabolic memory to develop therapeutic strategies for metabolic diseases and provide the latest reflections on the consequences of metabolic memory as well as their implications for human health and diseases.
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Affiliation(s)
- Hao Dong
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuezhang Sun
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lulingxiao Nie
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Aimin Cui
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Pengfei Zhao
- Periodontology and Implant Dentistry Division, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Wai Keung Leung
- Periodontology and Implant Dentistry Division, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Qi Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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13
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Liu D, Wang L, Ha W, Li K, Shen R, Wang D. HIF-1α: A potential therapeutic opportunity in renal fibrosis. Chem Biol Interact 2024; 387:110808. [PMID: 37980973 DOI: 10.1016/j.cbi.2023.110808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 11/04/2023] [Accepted: 11/14/2023] [Indexed: 11/21/2023]
Abstract
Renal fibrosis is a common outcome of various renal injuries, leading to structural destruction and functional decline of the kidney, and is also a critical prognostic indicator and determinant in renal diseases therapy. Hypoxia is induced in different stress and injuries in kidney, and the hypoxia inducible factors (HIFs) are activated in the context of hypoxia in response and regulation the hypoxia in time. Under stress and hypoxia conditions, HIF-1α increases rapidly and regulates intracellular energy metabolism, cell proliferation, apoptosis, and inflammation. Through reprogramming cellular metabolism, HIF-1α can directly or indirectly induce abnormal accumulation of metabolites, changes in cellular epigenetic modifications, and activation of fibrotic signals. HIF-1α protein expression and activity are regulated by various posttranslational modifications. The drugs targeting HIF-1α can regulate the downstream cascade signals by inhibiting HIF-1α activity or promoting its degradation. As the renal fibrosis is affected by renal diseases, different diseases may trigger different mechanisms which will affect the therapy effect. Therefore, comprehensive analysis of the role and contribution of HIF-1α in occurrence and progression of renal fibrosis, and determination the appropriate intervention time of HIF-1α in the process of renal fibrosis are important ideas to explore effective treatment strategies. This study reviews the regulation of HIF-1α and its mediated complex cascade reactions in renal fibrosis, and lists some drugs targeting HIF-1α that used in preclinical studies, to provide new insight for the study of the renal fibrosis mechanism.
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Affiliation(s)
- Disheng Liu
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Lu Wang
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Wuhua Ha
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Kan Li
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Rong Shen
- School of Basic Medical Sciences, Lanzhou University, Gansu, 730000, China.
| | - Degui Wang
- School of Basic Medical Sciences, Lanzhou University, Gansu, 730000, China.
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14
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Mocumbi A, Humbert M, Saxena A, Jing ZC, Sliwa K, Thienemann F, Archer SL, Stewart S. Pulmonary hypertension. Nat Rev Dis Primers 2024; 10:1. [PMID: 38177157 DOI: 10.1038/s41572-023-00486-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/27/2023] [Indexed: 01/06/2024]
Abstract
Pulmonary hypertension encompasses a range of conditions directly or indirectly leading to elevated pressures within the pulmonary arteries. Five main groups of pulmonary hypertension are recognized, all defined by a mean pulmonary artery pressure of >20 mmHg: pulmonary arterial hypertension (rare), pulmonary hypertension associated with left-sided heart disease (very common), pulmonary hypertension associated with lung disease (common), pulmonary hypertension associated with pulmonary artery obstructions, usually related to thromboembolic disease (rare), and pulmonary hypertension with unclear and/or multifactorial mechanisms (rare). At least 1% of the world's population is affected, with a greater burden more likely in low-income and middle-income countries. Across all its forms, pulmonary hypertension is associated with adverse vascular remodelling with obstruction, stiffening and vasoconstriction of the pulmonary vasculature. Without proactive management this leads to hypertrophy and ultimately failure of the right ventricle, the main cause of death. In older individuals, dyspnoea is the most common symptom. Stepwise investigation precedes definitive diagnosis with right heart catheterization. Medical and surgical treatments are approved for pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension. There are emerging treatments for other forms of pulmonary hypertension; but current therapy primarily targets the underlying cause. There are still major gaps in basic, clinical and translational knowledge; thus, further research, with a focus on vulnerable populations, is needed to better characterize, detect and effectively treat all forms of pulmonary hypertension.
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Affiliation(s)
- Ana Mocumbi
- Faculdade de Medicina, Universidade Eduardo Mondlane, Maputo, Moçambique.
- Instituto Nacional de Saúde, EN 1, Marracuene, Moçambique.
| | - Marc Humbert
- Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre (Assistance Publique Hôpitaux de Paris), Université Paris-Saclay, INSERM UMR_S 999, Paris, France
- ERN-LUNG, Le Kremlin Bicêtre, Paris, France
| | - Anita Saxena
- Sharma University of Health Sciences, Haryana, New Delhi, India
| | - Zhi-Cheng Jing
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China
| | - Karen Sliwa
- Cape Heart Institute, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
| | - Friedrich Thienemann
- Department of Medicine, Groote Schuur Hospital, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
- Department of Internal Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Stephen L Archer
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Simon Stewart
- Institute of Health Research, University of Notre Dame, Fremantle, Western Australia, Australia
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15
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Wan JJ, Yi J, Wang FY, Zhang C, Dai AG. Expression and regulation of HIF-1a in hypoxic pulmonary hypertension: Focus on pathological mechanism and Pharmacological Treatment. Int J Med Sci 2024; 21:45-60. [PMID: 38164358 PMCID: PMC10750340 DOI: 10.7150/ijms.88216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/20/2023] [Indexed: 01/03/2024] Open
Abstract
Hypoxia inducible factor-1(HIF-1), a heterodimeric transcription factor, is composed of two subunits (HIF-1α and HIF-1β). It is considered as an important transcription factor for regulating oxygen changes in hypoxic environment, which can regulate the expression of various hypoxia-related target genes and play a role in acute and chronic hypoxia pulmonary vascular reactions. In this paper, the function and mechanism of HIF-1a expression and regulation in hypoxic pulmonary hypertension (HPH) were reviewed, and current candidate schemes for treating pulmonary hypertension by using HIF-1a as the target were introduced, so as to provide reference for studying the pathogenesis of HPH and screening effective treatment methods.
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Affiliation(s)
- Jia-Jing Wan
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Jian Yi
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha 410021, Hunan, People's Republic of China
| | - Fei-Ying Wang
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Chao Zhang
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Ai-Guo Dai
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
- Department of Respiratory Medicine, First Affiliated Hospital, Hunan University of Chinese Medicine, Changsha 410021, Hunan, People's Republic of China
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16
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Martin-Puig S, Menendez-Montes I. Cardiac Metabolism. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:365-396. [PMID: 38884721 DOI: 10.1007/978-3-031-44087-8_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The heart is composed of a heterogeneous mixture of cellular components perfectly intermingled and able to integrate common environmental signals to ensure proper cardiac function and performance. Metabolism defines a cell context-dependent signature that plays a critical role in survival, proliferation, or differentiation, being a recognized master piece of organ biology, modulating homeostasis, disease progression, and adaptation to tissue damage. The heart is a highly demanding organ, and adult cardiomyocytes require large amount of energy to fulfill adequate contractility. However, functioning under oxidative mitochondrial metabolism is accompanied with a concomitant elevation of harmful reactive oxygen species that indeed contributes to the progression of several cardiovascular pathologies and hampers the regenerative capacity of the mammalian heart. Cardiac metabolism is dynamic along embryonic development and substantially changes as cardiomyocytes mature and differentiate within the first days after birth. During early stages of cardiogenesis, anaerobic glycolysis is the main energetic program, while a progressive switch toward oxidative phosphorylation is a hallmark of myocardium differentiation. In response to cardiac injury, different signaling pathways participate in a metabolic rewiring to reactivate embryonic bioenergetic programs or the utilization of alternative substrates, reflecting the flexibility of heart metabolism and its central role in organ adaptation to external factors. Despite the well-established metabolic pattern of fetal, neonatal, and adult cardiomyocytes, our knowledge about the bioenergetics of other cardiac populations like endothelial cells, cardiac fibroblasts, or immune cells is limited. Considering the close intercellular communication and the influence of nonautonomous cues during heart development and after cardiac damage, it will be fundamental to better understand the metabolic programs in different cardiac cells in order to develop novel interventional opportunities based on metabolic rewiring to prevent heart failure and improve the limited regenerative capacity of the mammalian heart.
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Affiliation(s)
- Silvia Martin-Puig
- Department of Metabolic and Immune Diseases, Institute for Biomedical Research "Sols-Morreale", National Spanish Research Council, CSIC, Madrid, Spain.
- Cardiac Regeneration Program, National Center for Cardiovascular Research, CNIC, Madrid, Spain.
| | - Ivan Menendez-Montes
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
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Dong J, Jiang XM, Xie DJ, Luo J, Ran H, Li L, Li M, Jiang P, Zhang PY, Zhou L. Establishment of a canine model of pulmonary arterial hypertension induced by dehydromonocrotaline and ultrasonographic study of right ventricular remodeling. Clin Exp Hypertens 2023; 45:2190503. [PMID: 36924239 DOI: 10.1080/10641963.2023.2190503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
OBJECTIVE Pulmonary arterial hypertension (PAH) means high blood pressure in the lungs. We aimed to observe the right ventricular size, wall thickness and characteristic functional changes and their associations with PAH in an established model of beagle dogs, and to explore convenient, reliable and sensitive ultrasound indicators for assessing right ventricular remodeling. METHODS Twenty healthy beagle dogs (8-10 kg) were randomly divided into control group (N-dimethylformamide, n = 10) and dehydromonocrotaline (DHMCT) group (DHMCT, n = 10). N-dimethylformamide or DHMCT was injected through a catheter into the right atrium, and then right heart catheterization, routine echocardiography and two-dimensional speckle tracking imaging (2D-STI) were performed before modeling (0 weeks) and 8, 14 weeks after modeling. Hemodynamic parameters and right ventricular function-related ultrasound data were acquired. At the end of the experiment, the animals were killed and the lung tissues were taken for HE staining. Left and right ventricular walls were separated and weighed respectively, and right ventricular hypertrophy index (RVHI) was measured. The associations of the routine ultrasound data and 2D-STI data at each time point with hemodynamic parameters and RVHI were analyzed. RESULTS At 0, 8 and 14 weeks, gradual decreases in the right ventricular global longitudinal strain (RVLS) were found in DHMCT group. RVH occurred in DHMCT group, and DHMCT group had a significantly higher RVHI than that of control group (49.83 ± 4.83% vs. 39.80 ± 1.40%, P < .001) and larger pulmonary artery media thickness. RVLS had significant positive correlations with RVSP (r = 0.74, P < .001), mRVP (r = 0.72, P < .001), PASP (r = 0.75, P < .001), mPAP (r = 0.72, P < .001) and PVR (r = 0.68, P < .001). There was a significant positive correlation between RVLS and RVHI (r = 0.74, P < .001). CONCLUSION The right ventricular function in PAH can be effectively assessed by echocardiography, and RVLS measured by 2D-STI sensitively reflects right ventricular remodeling following PAH.
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Affiliation(s)
- Jing Dong
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiao-Min Jiang
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Du-Jiang Xie
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Jie Luo
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Hong Ran
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Lin Li
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Miao Li
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Pei Jiang
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Ping-Yang Zhang
- Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Ling Zhou
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China
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Wu D, Jansen-van Vuuren RD, Dasgupta A, Al-Qazazi R, Chen KH, Martin A, Mewburn JD, Alizadeh E, Lima PDA, Jones O, Colpman P, Breault NM, Emon IM, Jedlovčnik L, Zhao YY, Wells M, Sutendra G, Archer SL. Efficacy of Drpitor1a, a Dynamin-Related Protein 1 inhibitor, in Pulmonary Arterial Hypertension. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.21.572836. [PMID: 38187628 PMCID: PMC10769396 DOI: 10.1101/2023.12.21.572836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Rationale Dynamin-related protein 1 (Drp1), a large GTPase, mediates mitochondrial fission. Increased Drp1-mediated fission permits accelerated mitosis, contributing to hyperproliferation of pulmonary artery smooth muscle cells (PASMC), which characterizes pulmonary arterial hypertension (PAH). We developed a Drp1 inhibitor, Drpitor1a, and tested its ability to regress PAH. Objectives Assess Drpitor1a's efficacy and toxicity in: a)normal and PAH human PASMC (hPASMC); b)normal rats versus rats with established monocrotaline (MCT)-induced PAH. Methods Drpitor1a's effects on recombinant and endogenous Drp1-GTPase activity, mitochondrial fission, and cell proliferation were studied in hPASMCs (normal=3; PAH=5). Drpitor1a's pharmacokinetics and tissue concentrations were measured (n=3 rats/sex). In a pilot study (n=3-4/sex/dose), Drpitor1a (1mg/kg/48-hours, intravenous) reduced adverse PA remodeling only in females. Consequently, we compared Drpitor1a to vehicle in normal (n=6 versus 8) and MCT-PAH (n=9 and 11) females, respectively. Drpitor1a treatment began 17-days post-MCT with echocardiography and cardiac catheterization performed 28-29 days post-MCT. Results Drpitor1a inhibited recombinant and endogenous Drp1 GTPase activity, which was increased in PAH hPASMC. Drpitor1a inhibited mitochondrial fission and proliferation and induced apoptosis, in PAH hPASMC but not normal hPASMC. Drpitor1a tissue levels were higher in female versus male RVs. In MCT-PAH females, Drpitor1a regressed PA obstruction, lowered pulmonary vascular resistance, and improved RV function, without hematologic, renal, or hepatic toxicity. Conclusions Drpitor1a inhibits Drp1 GTPase, reduces mitochondrial fission, and inhibits cell proliferation in PAH hPASMC. Drpitor1a caused no toxicity in MCT-PAH and had no significant effect on normal rats or hPASMCs. Drpitor1a is a potential PAH therapeutic which displays an interesting therapeutic sexual dimorphism.
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Zhang Y, Sun M, Zhao H, Wang Z, Shi Y, Dong J, Wang K, Wang X, Li X, Qi H, Zhao X. Neuroprotective Effects and Therapeutic Potential of Dichloroacetate: Targeting Metabolic Disorders in Nervous System Diseases. Int J Nanomedicine 2023; 18:7559-7581. [PMID: 38106446 PMCID: PMC10725694 DOI: 10.2147/ijn.s439728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/28/2023] [Indexed: 12/19/2023] Open
Abstract
Dichloroacetate (DCA) is an investigational drug used to treat lactic acidosis and malignant tumours. It works by inhibiting pyruvate dehydrogenase kinase and increasing the rate of glucose oxidation. Some studies have documented the neuroprotective benefits of DCA. By reviewing these studies, this paper shows that DCA has multiple pharmacological activities, including regulating metabolism, ameliorating oxidative stress, attenuating neuroinflammation, inhibiting apoptosis, decreasing autophagy, protecting the blood‒brain barrier, improving the function of endothelial progenitor cells, improving mitochondrial dynamics, and decreasing amyloid β-protein. In addition, DCA inhibits the enzyme that metabolizes it, which leads to peripheral neurotoxicity due to drug accumulation that may be solved by individualized drug delivery and nanovesicle delivery. In summary, in this review, we analyse the mechanisms of neuroprotection by DCA in different diseases and discuss the causes of and solutions to its adverse effects.
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Affiliation(s)
- Yue Zhang
- Department of Radiation Oncology and Shandong Provincial Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People’s Republic of China
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Meiyan Sun
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Hongxiang Zhao
- Department of Radiation Oncology and Shandong Provincial Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People’s Republic of China
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Zhengyan Wang
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Yanan Shi
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Jianxin Dong
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Kaifang Wang
- Department of Anesthesia, Tangdu Hospital, Fourth Military Medical University, Xian, Shanxi Province, People’s Republic of China
| | - Xi Wang
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Xingyue Li
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Haiyan Qi
- Department of Anesthesiology, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, Jinan, Shandong Province, People’s Republic of China
| | - Xiaoyong Zhao
- Department of Radiation Oncology and Shandong Provincial Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People’s Republic of China
- Laboratory of Anesthesia and Critical Care Medicine in Colleges and Universities of Shandong Province, School of Anesthesiology, Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
- Department of Anesthesiology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province, People’s Republic of China
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20
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Claridge B, Rai A, Lees JG, Fang H, Lim SY, Greening DW. Cardiomyocyte intercellular signalling increases oxidative stress and reprograms the global- and phospho-proteome of cardiac fibroblasts. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e125. [PMID: 38938901 PMCID: PMC11080892 DOI: 10.1002/jex2.125] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/20/2023] [Accepted: 11/14/2023] [Indexed: 06/29/2024]
Abstract
Pathological reprogramming of cardiomyocyte and fibroblast proteome landscapes drive the initiation and progression of cardiac fibrosis. Although the secretome of dysfunctional cardiomyocytes is emerging as an important driver of pathological fibroblast reprogramming, our understanding of the downstream molecular players remains limited. Here, we show that cardiac fibroblast activation (αSMA+) and oxidative stress mediated by the secretome of TGFβ-stimulated cardiomyocytes is associated with a profound reprogramming of their proteome and phosphoproteome landscape. Within the fibroblast global proteome there was a striking dysregulation of proteins implicated in extracellular matrix, protein localisation/metabolism, KEAP1-NFE2L2 pathway, lysosomes, carbohydrate metabolism, and transcriptional regulation. Kinase substrate enrichment analysis of phosphopeptides revealed potential role of kinases (CK2, CDK2, PKC, GSK3B) during this remodelling. We verified upregulated activity of casein kinase 2 (CK2) in secretome-treated fibroblasts, and pharmacological CK2 inhibitor TBB (4,5,6,7-Tetrabromobenzotriazole) significantly abrogated fibroblast activation and oxidative stress. Our data provides molecular insights into cardiomyocyte to cardiac fibroblast crosstalk, and the potential role of CK2 in regulating cardiac fibroblast activation and oxidative stress.
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Affiliation(s)
- Bethany Claridge
- Baker Heart and Diabetes InstituteMelbourneVictoriaAustralia
- Baker Department of Cardiovascular Research Translation and ImplementationLa Trobe UniversityMelbourneVictoriaAustralia
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and EnvironmentLa Trobe UniversityMelbourneVictoriaAustralia
| | - Alin Rai
- Baker Heart and Diabetes InstituteMelbourneVictoriaAustralia
- Baker Department of Cardiovascular Research Translation and ImplementationLa Trobe UniversityMelbourneVictoriaAustralia
- Baker Department of Cardiometabolic HealthUniversity of MelbourneMelbourneVictoriaAustralia
- Central Clinical SchoolMonash UniversityMelbourneVictoriaAustralia
| | - Jarmon G. Lees
- O'Brien Institute DepartmentSt Vincent's Institute of Medical ResearchFitzroyVictoriaAustralia
- Department of Surgery and MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Haoyun Fang
- Baker Heart and Diabetes InstituteMelbourneVictoriaAustralia
- Baker Department of Cardiometabolic HealthUniversity of MelbourneMelbourneVictoriaAustralia
| | - Shiang Y. Lim
- O'Brien Institute DepartmentSt Vincent's Institute of Medical ResearchFitzroyVictoriaAustralia
- Department of Surgery and MedicineUniversity of MelbourneMelbourneVictoriaAustralia
- National Heart Research Institute SingaporeNational Heart CentreSingaporeSingapore
- Drug Discovery Biology, Faculty of Pharmacy and Pharmaceutical SciencesMonash UniversityMelbourneVictoriaAustralia
| | - David W. Greening
- Baker Heart and Diabetes InstituteMelbourneVictoriaAustralia
- Baker Department of Cardiovascular Research Translation and ImplementationLa Trobe UniversityMelbourneVictoriaAustralia
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and EnvironmentLa Trobe UniversityMelbourneVictoriaAustralia
- Baker Department of Cardiometabolic HealthUniversity of MelbourneMelbourneVictoriaAustralia
- Central Clinical SchoolMonash UniversityMelbourneVictoriaAustralia
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21
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Toro V, Jutras-Beaudoin N, Boucherat O, Bonnet S, Provencher S, Potus F. Right Ventricle and Epigenetics: A Systematic Review. Cells 2023; 12:2693. [PMID: 38067121 PMCID: PMC10705252 DOI: 10.3390/cells12232693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/08/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
There is an increasing recognition of the crucial role of the right ventricle (RV) in determining the functional status and prognosis in multiple conditions. In the past decade, the epigenetic regulation (DNA methylation, histone modification, and non-coding RNAs) of gene expression has been raised as a critical determinant of RV development, RV physiological function, and RV pathological dysfunction. We thus aimed to perform an up-to-date review of the literature, gathering knowledge on the epigenetic modifications associated with RV function/dysfunction. Therefore, we conducted a systematic review of studies assessing the contribution of epigenetic modifications to RV development and/or the progression of RV dysfunction regardless of the causal pathology. English literature published on PubMed, between the inception of the study and 1 January 2023, was evaluated. Two authors independently evaluated whether studies met eligibility criteria before study results were extracted. Amongst the 817 studies screened, 109 studies were included in this review, including 69 that used human samples (e.g., RV myocardium, blood). While 37 proposed an epigenetic-based therapeutic intervention to improve RV function, none involved a clinical trial and 70 are descriptive. Surprisingly, we observed a substantial discrepancy between studies investigating the expression (up or down) and/or the contribution of the same epigenetic modifications on RV function or development. This exhaustive review of the literature summarizes the relevant epigenetic studies focusing on RV in human or preclinical setting.
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Affiliation(s)
| | | | | | | | | | - François Potus
- Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec (CRIUCPQ), Québec, QC G1V 4G5, Canada; (V.T.); (N.J.-B.); (O.B.); (S.B.); (S.P.)
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22
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Chen S, Zou Y, Song C, Cao K, Cai K, Wu Y, Zhang Z, Geng D, Sun W, Ouyang N, Zhang N, Li Z, Sun G, Zhang Y, Sun Y, Zhang Y. The role of glycolytic metabolic pathways in cardiovascular disease and potential therapeutic approaches. Basic Res Cardiol 2023; 118:48. [PMID: 37938421 PMCID: PMC10632287 DOI: 10.1007/s00395-023-01018-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023]
Abstract
Cardiovascular disease (CVD) is a major threat to human health, accounting for 46% of non-communicable disease deaths. Glycolysis is a conserved and rigorous biological process that breaks down glucose into pyruvate, and its primary function is to provide the body with the energy and intermediate products needed for life activities. The non-glycolytic actions of enzymes associated with the glycolytic pathway have long been found to be associated with the development of CVD, typically exemplified by metabolic remodeling in heart failure, which is a condition in which the heart exhibits a rapid adaptive response to hypoxic and hypoxic conditions, occurring early in the course of heart failure. It is mainly characterized by a decrease in oxidative phosphorylation and a rise in the glycolytic pathway, and the rise in glycolysis is considered a hallmark of metabolic remodeling. In addition to this, the glycolytic metabolic pathway is the main source of energy for cardiomyocytes during ischemia-reperfusion. Not only that, the auxiliary pathways of glycolysis, such as the polyol pathway, hexosamine pathway, and pentose phosphate pathway, are also closely related to CVD. Therefore, targeting glycolysis is very attractive for therapeutic intervention in CVD. However, the relationship between glycolytic pathway and CVD is very complex, and some preclinical studies have confirmed that targeting glycolysis does have a certain degree of efficacy, but its specific role in the development of CVD has yet to be explored. This article aims to summarize the current knowledge regarding the glycolytic pathway and its key enzymes (including hexokinase (HK), phosphoglucose isomerase (PGI), phosphofructokinase-1 (PFK1), aldolase (Aldolase), phosphoglycerate metatase (PGAM), enolase (ENO) pyruvate kinase (PKM) lactate dehydrogenase (LDH)) for their role in cardiovascular diseases (e.g., heart failure, myocardial infarction, atherosclerosis) and possible emerging therapeutic targets.
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Affiliation(s)
- Shuxian Chen
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Yuanming Zou
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Chunyu Song
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Kexin Cao
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Kexin Cai
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Yanjiao Wu
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Zhaobo Zhang
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Danxi Geng
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Wei Sun
- Department of Thyroid Surgery, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
| | - Nanxiang Ouyang
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
| | - Naijin Zhang
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
- Institute of Health Sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning Province, People's Republic of China.
- Key Laboratory of Reproductive and Genetic Medicine, China Medical University, National Health Commission, 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning Province, People's Republic of China.
| | - Zhao Li
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
| | - Guozhe Sun
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
| | - Yixiao Zhang
- Department of Urology Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, 110004, Liaoning Province, People's Republic of China.
| | - Yingxian Sun
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
- Institute of Health Sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning Province, People's Republic of China.
| | - Ying Zhang
- Department of Cardiology, The First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, 110001, Liaoning Province, People's Republic of China.
- Institute of Health Sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning Province, People's Republic of China.
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Yao Y, Shi J, Zhang C, Gao W, Huang N, Liu Y, Yan W, Han Y, Zhou W, Kong L. Pyruvate dehydrogenase kinase 1 protects against neuronal injury and memory loss in mouse models of diabetes. Cell Death Dis 2023; 14:722. [PMID: 37935660 PMCID: PMC10630521 DOI: 10.1038/s41419-023-06249-2] [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: 06/26/2023] [Revised: 10/13/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023]
Abstract
Hyperglycemia-induced aberrant glucose metabolism is a causative factor of neurodegeneration and cognitive impairment in diabetes mellitus (DM) patients. The pyruvate dehydrogenase kinase (PDK)-lactic acid axis is regarded as a critical link between metabolic reprogramming and the pathogenic process of neurological disorders. However, its role in diabetic neuropathy remains unclear. Here, we found that PDK1 and phosphorylation of pyruvate dehydrogenase (PDH) were obviously increased in high glucose (HG)-stimulated primary neurons and Neuro-2a cell line. Acetyl-coA, a central metabolic intermediate, might enhance PDK1 expression via histone H3K9 acetylation modification in HG condition. The epigenetic regulation of PDK1 expression provided an available negative feedback pattern in response to HG environment-triggered mitochondrial metabolic overload. However, neuronal PDK1 was decreased in the hippocampus of streptozotocin (STZ)-induced diabetic mice. Our data showed that the expression of PDK1 also depended on the hypoxia-inducible factor-1 (HIF-1) transcriptional activation under the HG condition. However, HIF-1 was significantly reduced in the hippocampus of diabetic mice, which might explain the opposite expression of PDK1 in vivo. Importantly, overexpression of PDK1 reduced HG-induced reactive oxygen species (ROS) generation and neuronal apoptosis. Enhancing PDK1 expression in the hippocampus ameliorated STZ-induced cognitive impairment and neuronal degeneration in mice. Together, our study demonstrated that both acetyl-coA-induced histone acetylation and HIF-1 are necessary to direct PDK1 expression, and enhancing PDK1 may have a protective effect on cognitive recovery in diabetic mice. Schematic representation of the protective effect of PDK1 on hyperglycemia-induced neuronal injury and memory loss. High glucose enhanced the expression of PDK1 in an acetyl-coA-dependent histone acetylation modification to avoid mitochondrial metabolic overload and ROS release. However, the decrease of HIF-1 may impair the upregulation of PDK1 under hyperglycemia condition. Overexpression of PDK1 prevented hyperglycemia-induced hippocampal neuronal injury and memory loss in diabetic mice.
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Affiliation(s)
- Yuan Yao
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
- Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong Provincial Key Laboratory of Mental Disorders, Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Jiaming Shi
- Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong Provincial Key Laboratory of Mental Disorders, Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Chunlai Zhang
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Wei Gao
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Ning Huang
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Yaobei Liu
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Weiwen Yan
- Department of Clinical Laboratory, Zibo Hospital of Traditional Chinese Medicine, Zibo, Shandong, China
| | - Yingguang Han
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Wenjuan Zhou
- Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong Provincial Key Laboratory of Mental Disorders, Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Liang Kong
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China.
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24
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Saxena S, Dagar N, Shelke V, Lech M, Khare P, Gaikwad AB. Metabolic reprogramming: Unveiling the therapeutic potential of targeted therapies against kidney disease. Drug Discov Today 2023; 28:103765. [PMID: 37690600 DOI: 10.1016/j.drudis.2023.103765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/20/2023] [Accepted: 09/05/2023] [Indexed: 09/12/2023]
Abstract
As a high-metabolic-rate organ, the kidney exhibits metabolic reprogramming (MR) in various disease states. Given the >800 million cases of kidney disease worldwide in 2022, understanding the specific bioenergetic pathways involved and developing targeted interventions are vital needs. The reprogramming of metabolic pathways (glucose metabolism, amino acid metabolism, etc.) has been observed in kidney disease. Therapies targeting these specific pathways have proven to be an efficient approach for retarding kidney disease progression. In this review, we focus on potential pharmacological interventions targeting MR that have advanced through Phase III/IV clinical trials for the management of kidney disease and promising preclinical studies laying the groundwork for future clinical investigations.
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Affiliation(s)
- Shubhangi Saxena
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Neha Dagar
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Vishwadeep Shelke
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Maciej Lech
- Division of Nephrology, Department of Medicine IV, LMU University Hospital, Ludwig Maximilians University Munich, 80336 Munich, Germany
| | - Pragyanshu Khare
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Anil Bhanudas Gaikwad
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India.
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25
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Emon IM, Al-Qazazi R, Rauh MJ, Archer SL. The Role of Clonal Hematopoiesis of Indeterminant Potential and DNA (Cytosine-5)-Methyltransferase Dysregulation in Pulmonary Arterial Hypertension and Other Cardiovascular Diseases. Cells 2023; 12:2528. [PMID: 37947606 PMCID: PMC10650407 DOI: 10.3390/cells12212528] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023] Open
Abstract
DNA methylation is an epigenetic mechanism that regulates gene expression without altering gene sequences in health and disease. DNA methyltransferases (DNMTs) are enzymes responsible for DNA methylation, and their dysregulation is both a pathogenic mechanism of disease and a therapeutic target. DNMTs change gene expression by methylating CpG islands within exonic and intergenic DNA regions, which typically reduces gene transcription. Initially, mutations in the DNMT genes and pathologic DNMT protein expression were found to cause hematologic diseases, like myeloproliferative disease and acute myeloid leukemia, but recently they have been shown to promote cardiovascular diseases, including coronary artery disease and pulmonary hypertension. We reviewed the regulation and functions of DNMTs, with an emphasis on somatic mutations in DNMT3A, a common cause of clonal hematopoiesis of indeterminant potential (CHIP) that may also be involved in the development of pulmonary arterial hypertension (PAH). Accumulation of somatic mutations in DNMT3A and other CHIP genes in hematopoietic cells and cardiovascular tissues creates an inflammatory environment that promotes cardiopulmonary diseases, even in the absence of hematologic disease. This review summarized the current understanding of the roles of DNMTs in maintenance and de novo methylation that contribute to the pathogenesis of cardiovascular diseases, including PAH.
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Affiliation(s)
- Isaac M. Emon
- Department of Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada; (I.M.E.); (R.A.-Q.)
| | - Ruaa Al-Qazazi
- Department of Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada; (I.M.E.); (R.A.-Q.)
| | - Michael J. Rauh
- Department of Pathology and Molecular Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada;
| | - Stephen L. Archer
- Department of Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada; (I.M.E.); (R.A.-Q.)
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26
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Ravassa S, López B, Treibel TA, San José G, Losada-Fuentenebro B, Tapia L, Bayés-Genís A, Díez J, González A. Cardiac Fibrosis in heart failure: Focus on non-invasive diagnosis and emerging therapeutic strategies. Mol Aspects Med 2023; 93:101194. [PMID: 37384998 DOI: 10.1016/j.mam.2023.101194] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/09/2023] [Accepted: 06/14/2023] [Indexed: 07/01/2023]
Abstract
Heart failure is a leading cause of mortality and hospitalization worldwide. Cardiac fibrosis, resulting from the excessive deposition of collagen fibers, is a common feature across the spectrum of conditions converging in heart failure. Eventually, either reparative or reactive in nature, in the long-term cardiac fibrosis contributes to heart failure development and progression and is associated with poor clinical outcomes. Despite this, specific cardiac antifibrotic therapies are lacking, making cardiac fibrosis an urgent unmet medical need. In this context, a better patient phenotyping is needed to characterize the heterogenous features of cardiac fibrosis to advance toward its personalized management. In this review, we will describe the different phenotypes associated with cardiac fibrosis in heart failure and we will focus on the potential usefulness of imaging techniques and circulating biomarkers for the non-invasive characterization and phenotyping of this condition and for tracking its clinical impact. We will also recapitulate the cardiac antifibrotic effects of existing heart failure and non-heart failure drugs and we will discuss potential strategies under preclinical development targeting the activation of cardiac fibroblasts at different levels, as well as targeting additional extracardiac processes.
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Affiliation(s)
- Susana Ravassa
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Begoña López
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Thomas A Treibel
- Institute of Cardiovascular Science, University College London, UK; Barts Heart Centre, St Bartholomew's Hospital, London, UK
| | - Gorka San José
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Blanca Losada-Fuentenebro
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Leire Tapia
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Antoni Bayés-Genís
- CIBERCV, Carlos III Institute of Health, Madrid, Spain; Servei de Cardiologia i Unitat d'Insuficiència Cardíaca, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain; ICREC Research Program, Germans Trias i Pujol Health Science Research Institute, Badalona, Spain
| | - Javier Díez
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain.
| | - Arantxa González
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra and IdiSNA, Pamplona, Spain; CIBERCV, Carlos III Institute of Health, Madrid, Spain.
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Tokuyama T, Yanagi S. Role of Mitochondrial Dynamics in Heart Diseases. Genes (Basel) 2023; 14:1876. [PMID: 37895224 PMCID: PMC10606177 DOI: 10.3390/genes14101876] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023] Open
Abstract
Mitochondrial dynamics, including fission and fusion processes, are essential for heart health. Mitochondria, the powerhouses of cells, maintain their integrity through continuous cycles of biogenesis, fission, fusion, and degradation. Mitochondria are relatively immobile in the adult heart, but their morphological changes due to mitochondrial morphology factors are critical for cellular functions such as energy production, organelle integrity, and stress response. Mitochondrial fusion proteins, particularly Mfn1/2 and Opa1, play multiple roles beyond their pro-fusion effects, such as endoplasmic reticulum tethering, mitophagy, cristae remodeling, and apoptosis regulation. On the other hand, the fission process, regulated by proteins such as Drp1, Fis1, Mff and MiD49/51, is essential to eliminate damaged mitochondria via mitophagy and to ensure proper cell division. In the cardiac system, dysregulation of mitochondrial dynamics has been shown to cause cardiac hypertrophy, heart failure, ischemia/reperfusion injury, and various cardiac diseases, including metabolic and inherited cardiomyopathies. In addition, mitochondrial dysfunction associated with oxidative stress has been implicated in atherosclerosis, hypertension and pulmonary hypertension. Therefore, understanding and regulating mitochondrial dynamics is a promising therapeutic tool in cardiac diseases. This review summarizes the role of mitochondrial morphology in heart diseases for each mitochondrial morphology regulatory gene, and their potential as therapeutic targets to heart diseases.
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Affiliation(s)
- Takeshi Tokuyama
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan
| | - Shigeru Yanagi
- Laboratory of Molecular Biochemistry, Department of Life Science, Faculty of Science, Gakushuin University, Mejiro, Tokyo 171-0031, Japan;
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28
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Hayashi K. Targeting DNA Methylation in Podocytes to Overcome Chronic Kidney Disease. Keio J Med 2023; 72:67-76. [PMID: 37271519 DOI: 10.2302/kjm.2022-0017-ir] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The number of patients with chronic kidney disease (CKD) is on the rise worldwide, and there is urgent need for the development of effective plans against the increasing incidence of CKD. Podocytes, glomerular epithelial cells, are an integral part of the primary filtration unit of the kidney and form a slit membrane as a barrier to prevent proteinuria. The role of podocytes in the pathogenesis and progression of CKD is now recognized. Podocyte function depends on a specialized morphology with the arranged foot processes, which is directly related to their function. Epigenetic changes responsible for the regulation of gene expression related to podocyte morphology have been shown to be important in the pathogenesis of CKD. Although epigenetic mechanisms include DNA methylation, histone modifications, and RNA-based regulation, we have focused on DNA methylation changes because they are more stable than other epigenetic modifications. This review summarizes recent literature about the role of altered DNA methylation in the kidney, especially in glomerular podocytes, focusing on transcription factors and DNA damage responses that are closely associated with the formation of DNA methylation changes.
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Affiliation(s)
- Kaori Hayashi
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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29
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Chu L, Xie D, Xu D. Epigenetic Regulation of Fibroblasts and Crosstalk between Cardiomyocytes and Non-Myocyte Cells in Cardiac Fibrosis. Biomolecules 2023; 13:1382. [PMID: 37759781 PMCID: PMC10526373 DOI: 10.3390/biom13091382] [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: 05/30/2023] [Revised: 08/10/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Epigenetic mechanisms and cell crosstalk have been shown to play important roles in the initiation and progression of cardiac fibrosis. This review article aims to provide a thorough overview of the epigenetic mechanisms involved in fibroblast regulation. During fibrosis, fibroblast epigenetic regulation encompasses a multitude of mechanisms, including DNA methylation, histone acetylation and methylation, and chromatin remodeling. These mechanisms regulate the phenotype of fibroblasts and the extracellular matrix composition by modulating gene expression, thereby orchestrating the progression of cardiac fibrosis. Moreover, cardiac fibrosis disrupts normal cardiac function by imposing myocardial mechanical stress and compromising cardiac electrical conduction. This review article also delves into the intricate crosstalk between cardiomyocytes and non-cardiomyocytes in the heart. A comprehensive understanding of the mechanisms governing epigenetic regulation and cell crosstalk in cardiac fibrosis is critical for the development of effective therapeutic strategies. Further research is warranted to unravel the precise molecular mechanisms underpinning these processes and to identify potential therapeutic targets.
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Affiliation(s)
| | | | - Dachun Xu
- Department of Cardiology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, 315 Yanchang Middle Road, Shanghai 200072, China; (L.C.); (D.X.)
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30
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Zhang L, Jiao G, You Y, Li X, Liu J, Sun Z, Li Q, Dai Z, Ma J, Zhou H, Li G, Meng C, Chen Y. Arginine methylation of PPP1CA by CARM1 regulates glucose metabolism and affects osteogenic differentiation and osteoclastic differentiation. Clin Transl Med 2023; 13:e1369. [PMID: 37649137 PMCID: PMC10468565 DOI: 10.1002/ctm2.1369] [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: 03/13/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND The imbalance between osteoblasts and osteoclasts may lead to osteoporosis. Osteoblasts and osteoclasts have different energy requirements, with aerobic glycolysis being the prominent metabolic feature of osteoblasts, while osteoclast differentiation and fusion are driven by oxidative phosphorylation. METHODS By polymerase chain reaction as well as Western blotting, we assayed coactivator-associated arginine methyltransferase 1 (CARM1) expression in bone tissue, the mouse precranial osteoblast cell line MC3T3-E1 and the mouse monocyte macrophage leukaemia cell line RAW264.7, and expression of related genes during osteogenic differentiation and osteoclast differentiation. Using gene overexpression (lentivirus) and loss-of-function approach (CRISPR/Cas9-mediated knockout) in vitro, we examined whether CARM1 regulates osteogenic differentiation and osteoblast differentiation by metabolic regulation. Transcriptomic assays and metabolomic assays were used to find the mechanism of action of CARM1. Furthermore, in vitro methylation assays were applied to clarify the arginine methylation site of PPP1CA by CARM1. RESULTS We discovered that CARM1 reprogrammed glucose metabolism in osteoblasts and osteoclasts from oxidative phosphorylation to aerobic glycolysis, thereby promoting osteogenic differentiation and inhibiting osteoclastic differentiation. In vivo experiments revealed that CARM1 significantly decreased bone loss in osteoporosis model mice. Mechanistically, CARM1 methylated R23 of PPP1CA, affected the dephosphorylation of AKT-T450 and AMPK-T172, and increased the activities of phosphofructokinase-1 and pructose-2,6-biphosphatase3, causing an up-regulation of glycolytic flux. At the same time, as a transcriptional coactivator, CARM1 regulated the expression of pyruvate dehydrogenase kinase 3, which resulted in the inhibition of pyruvate dehydrogenase activity and inhibition of the tricarboxylic acid cycle, leading to a subsequent decrease in the flux of oxidative phosphorylation. CONCLUSIONS These findings reveal for the first time the mechanism by which CARM1 affects both osteogenesis and osteoclast differentiation through metabolic regulation, which may represent a new feasible treatment strategy for osteoporosis.
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Affiliation(s)
- Lu Zhang
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of MicroorthopaedicsAffiliated Hospital of Shandong University of Traditional Chinese MedicineJinanShandongChina
- Department of Spine SurgeryAffiliated Hospital of Jining Medical UniversityJiningShandongChina
| | - Guangjun Jiao
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
| | - Yunhao You
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Xiang Li
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Jincheng Liu
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Zhenqian Sun
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Qinghui Li
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Zihan Dai
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Jinlong Ma
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
- Department of OrthopaedicsThe First Clinical College of Shandong UniversityJinanShandongChina
| | - Hongming Zhou
- Department of Spine SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Department of Spine SurgeryLinyi Central HospitalLinyiShandongChina
| | - Gang Li
- Department of MicroorthopaedicsAffiliated Hospital of Shandong University of Traditional Chinese MedicineJinanShandongChina
| | - Chunyang Meng
- Department of Spine SurgeryAffiliated Hospital of Jining Medical UniversityJiningShandongChina
| | - Yunzhen Chen
- Department of Spine SurgeryQilu Hospital of Shandong UniversityJinanShandongChina
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Tu B, Song K, Zhou Y, Sun H, Liu ZY, Lin LC, Ding JF, Sha JM, Shi Y, Yang JJ, Li R, Zhang Y, Zhao JY, Tao H. METTL3 boosts mitochondrial fission and induces cardiac fibrosis by enhancing LncRNA GAS5 methylation. Pharmacol Res 2023; 194:106840. [PMID: 37379961 DOI: 10.1016/j.phrs.2023.106840] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 06/30/2023]
Abstract
Dysregulated mitochondrial metabolism occurs in several pathological processes characterized by cell proliferation and migration. Nonetheless, the role of mitochondrial fission is not well appreciated in cardiac fibrosis, which is accompanied by enhanced fibroblast proliferation and migration. We investigated the causes and consequences of mitochondrial fission in cardiac fibrosis using cultured cells, animal models, and clinical samples. Increased METTL3 expression caused excessive mitochondrial fission, resulting in the proliferation and migration of cardiac fibroblasts that lead to cardiac fibrosis. Knockdown of METTL3 suppressed mitochondrial fission, inhibiting fibroblast proliferation and migration for ameliorating cardiac fibrosis. Elevated METTL3 and N6-methyladenosine (m6A) levels were associated with low expression of long non-coding RNA GAS5. Mechanistically, METTL3-mediated m6A methylation of GAS5 induced its degradation, dependent of YTHDF2. GAS5 could interact with mitochondrial fission marker Drp1 directly; overexpression of GAS5 suppressed Drp1-mediated mitochondrial fission, inhibiting cardiac fibroblast proliferation and migration. Knockdown of GAS5 produced the opposite effect. Clinically, increased METTL3 and YTHDF2 levels corresponded with decreased GAS5 expression, increased m6A mRNA content and mitochondrial fission, and increased cardiac fibrosis in human heart tissue with atrial fibrillation. We describe a novel mechanism wherein METTL3 boosts mitochondrial fission, cardiac fibroblast proliferation, and fibroblast migration: METTL3 catalyzes m6A methylation of GAS5 methylation in a YTHDF2-dependent manner. Our findings provide insight into the development of preventative measures for cardiac fibrosis.
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Affiliation(s)
- Bin Tu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Kai Song
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yang Zhou
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - He Sun
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Zhi-Yan Liu
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Li-Chan Lin
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Ji-Fei Ding
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Ji-Ming Sha
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yan Shi
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Jing-Jing Yang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Rui Li
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China.
| | - Ye Zhang
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China.
| | - Jian-Yuan Zhao
- Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China.
| | - Hui Tao
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China.
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32
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McNair BD, Shorthill SK, Bruns DR. More than just a small left ventricle: the right ventricular fibroblast and ECM in health and disease. Am J Physiol Heart Circ Physiol 2023; 325:H385-H397. [PMID: 37389951 PMCID: PMC10396282 DOI: 10.1152/ajpheart.00213.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/02/2023]
Abstract
Fibroblasts intricately organize and regulate the extracellular matrix (ECM) in cardiac health and disease. Excess deposition of ECM proteins causes fibrosis, resulting in disrupted signaling conduction and contributing to the development of arrhythmias and impaired cardiac function. Fibrosis is causally involved in cardiac failure in the left ventricle (LV). Fibrosis likely occurs in right ventricle (RV) failure, yet mechanisms remain unclear. Indeed, RV fibrosis is poorly understood with mechanisms often extrapolated from the LV to the RV. However, emerging data suggest that the LV and RV are distinct cardiac chambers and differ in regulation of the ECM and response to fibrotic stimuli. In the present review, we will discuss differences in ECM regulation in the healthy RV and LV. We will discuss the importance of fibrosis in the development of RV disease in pressure overload, inflammation, and aging. During this discussion, we will highlight mechanisms of fibrosis with respect to the synthesis of ECM proteins while acknowledging the importance of considering collagen breakdown. We will also discuss current knowledge of antifibrotic therapies in the RV and the need for additional research to help delineate the shared and distinct mechanisms of RV and LV fibrosis.
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Affiliation(s)
- Benjamin D McNair
- Division of Kinesiology and Health, University of Wyoming, Laramie, Wyoming, United States
| | - Samantha K Shorthill
- Division of Kinesiology and Health, University of Wyoming, Laramie, Wyoming, United States
| | - Danielle R Bruns
- Division of Kinesiology and Health, University of Wyoming, Laramie, Wyoming, United States
- Wyoming WWAMI Medical Education, Laramie, Wyoming, United States
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33
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Dave J, Jagana V, Janostiak R, Bisserier M. Unraveling the epigenetic landscape of pulmonary arterial hypertension: implications for personalized medicine development. J Transl Med 2023; 21:477. [PMID: 37461108 DOI: 10.1186/s12967-023-04339-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a multifactorial disease associated with the remodeling of pulmonary blood vessels. If left unaddressed, PAH can lead to right heart failure and even death. Multiple biological processes, such as smooth muscle proliferation, endothelial dysfunction, inflammation, and resistance to apoptosis, are associated with PAH. Increasing evidence suggests that epigenetic factors play an important role in PAH by regulating the chromatin structure and altering the expression of critical genes. For example, aberrant DNA methylation and histone modifications such as histone acetylation and methylation have been observed in patients with PAH and are linked to vascular remodeling and pulmonary vascular dysfunction. In this review article, we provide a comprehensive overview of the role of key epigenetic targets in PAH pathogenesis, including DNA methyltransferase (DNMT), ten-eleven translocation enzymes (TET), switch-independent 3A (SIN3A), enhancer of zeste homolog 2 (EZH2), histone deacetylase (HDAC), and bromodomain-containing protein 4 (BRD4). Finally, we discuss the potential of multi-omics integration to better understand the molecular signature and profile of PAH patients and how this approach can help identify personalized treatment approaches.
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Affiliation(s)
- Jaydev Dave
- Department of Cell Biology and Anatomy, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA
- Department of Physiology, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA
| | - Vineeta Jagana
- Department of Cell Biology and Anatomy, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA
- Department of Physiology, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA
| | - Radoslav Janostiak
- First Faculty of Medicine, BIOCEV, Charles University, Vestec, 25250, Czech Republic
| | - Malik Bisserier
- Department of Cell Biology and Anatomy, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA.
- Department of Physiology, New York Medical College, 15 Dana Road, BSB 131A, Valhalla, NY, 10595, USA.
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DeBerge M, Chaudhary R, Schroth S, Thorp EB. Immunometabolism at the Heart of Cardiovascular Disease. JACC Basic Transl Sci 2023; 8:884-904. [PMID: 37547069 PMCID: PMC10401297 DOI: 10.1016/j.jacbts.2022.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/21/2022] [Accepted: 12/27/2022] [Indexed: 08/08/2023]
Abstract
Immune cell function among the myocardium, now more than ever, is appreciated to regulate cardiac function and pathophysiology. This is the case for both innate immunity, which includes neutrophils, monocytes, dendritic cells, and macrophages, as well as adaptive immunity, which includes T cells and B cells. This function is fueled by cell-intrinsic shifts in metabolism, such as glycolysis and oxidative phosphorylation, as well as metabolite availability, which originates from the surrounding extracellular milieu and varies during ischemia and metabolic syndrome. Immune cell crosstalk with cardiac parenchymal cells, such as cardiomyocytes and fibroblasts, is also regulated by complex cellular metabolic circuits. Although our understanding of immunometabolism has advanced rapidly over the past decade, in part through valuable insights made in cultured cells, there remains much to learn about contributions of in vivo immunometabolism and directly within the myocardium. Insight into such fundamental cell and molecular mechanisms holds potential to inform interventions that shift the balance of immunometabolism from maladaptive to cardioprotective and potentially even regenerative. Herein, we review our current working understanding of immunometabolism, specifically in the settings of sterile ischemic cardiac injury or cardiometabolic disease, both of which contribute to the onset of heart failure. We also discuss current gaps in knowledge in this context and therapeutic implications.
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Affiliation(s)
| | | | | | - Edward B. Thorp
- Address for correspondence: Dr Edward B. Thorp, Department of Pathology, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue Ward 4-116, Chicago, Illinois 60611, USA.
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35
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Mao M, Song S, Li X, Lu J, Li J, Zhao W, Liu H, Liu J, Zeng B. Advances in epigenetic modifications of autophagic process in pulmonary hypertension. Front Immunol 2023; 14:1206406. [PMID: 37398657 PMCID: PMC10313199 DOI: 10.3389/fimmu.2023.1206406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/30/2023] [Indexed: 07/04/2023] Open
Abstract
Pulmonary hypertension is characterized by pulmonary arterial remodeling that results in increased pulmonary vascular resistance, right ventricular failure, and premature death. It is a threat to public health globally. Autophagy, as a highly conserved self-digestion process, plays crucial roles with autophagy-related (ATG) proteins in various diseases. The components of autophagy in the cytoplasm have been studied for decades and multiple studies have provided evidence of the importance of autophagic dysfunction in pulmonary hypertension. The status of autophagy plays a dynamic suppressive or promotive role in different contexts and stages of pulmonary hypertension development. Although the components of autophagy have been well studied, the molecular basis for the epigenetic regulation of autophagy is less understood and has drawn increasing attention in recent years. Epigenetic mechanisms include histone modifications, chromatin modifications, DNA methylation, RNA alternative splicing, and non-coding RNAs, which control gene activity and the development of an organism. In this review, we summarize the current research progress on epigenetic modifications in the autophagic process, which have the potential to be crucial and powerful therapeutic targets against the autophagic process in pulmonary hypertension development.
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Affiliation(s)
- Min Mao
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
- National Health Commission (NHC) Key Laboratory of Chronobiology (Sichuan University), Chengdu, China
- The Joint Laboratory for Lung Development and Related Diseases of West China Second University Hospital, Sichuan University and School of Life Sciences of Fudan University, West China Institute of Women and Children’s Health, West China Second University Hospital, Sichuan University, Chengdu, China
- Sichuan Birth Defects Clinical Research Center, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Shasha Song
- College of Pharmacy, Shenzhen Technology University, Shenzhen, China
| | - Xin Li
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
- National Health Commission (NHC) Key Laboratory of Chronobiology (Sichuan University), Chengdu, China
- The Joint Laboratory for Lung Development and Related Diseases of West China Second University Hospital, Sichuan University and School of Life Sciences of Fudan University, West China Institute of Women and Children’s Health, West China Second University Hospital, Sichuan University, Chengdu, China
- Sichuan Birth Defects Clinical Research Center, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Jiayao Lu
- College of Pharmacy, Shenzhen Technology University, Shenzhen, China
| | - Jie Li
- Marketing Department, Shenzhen Reyson Biotechnology Co., Ltd, Shenzhen, China
- Nanjing Evertop Electronics Ltd., Nanjing, China
| | - Weifang Zhao
- Quality Management Department International Registration, North China Pharmaceutical Co., Ltd. (NCPC), Hebei Huamin Pharmaceutical Co., Ltd., Shijiazhuang, China
| | - Hanmin Liu
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
- National Health Commission (NHC) Key Laboratory of Chronobiology (Sichuan University), Chengdu, China
- The Joint Laboratory for Lung Development and Related Diseases of West China Second University Hospital, Sichuan University and School of Life Sciences of Fudan University, West China Institute of Women and Children’s Health, West China Second University Hospital, Sichuan University, Chengdu, China
- Sichuan Birth Defects Clinical Research Center, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Jingxin Liu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
| | - Bin Zeng
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
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36
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Lin LC, Tu B, Song K, Liu ZY, Sun H, Zhou Y, Sha JM, Yang JJ, Zhang Y, Zhao JY, Tao H. Mitochondrial quality control in cardiac fibrosis: Epigenetic mechanisms and therapeutic strategies. Metabolism 2023:155626. [PMID: 37302693 DOI: 10.1016/j.metabol.2023.155626] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 06/13/2023]
Abstract
Cardiac fibrosis (CF) is considered an ultimate common pathway of a wide variety of heart diseases in response to diverse pathological and pathophysiological stimuli. Mitochondria are characterized as isolated organelles with a double-membrane structure, and they primarily contribute to and maintain highly dynamic energy and metabolic networks whose distribution and structure exert potent support for cellular properties and performance. Because the myocardium is a highly oxidative tissue with high energy demands to continuously pump blood, mitochondria are the most abundant organelles within mature cardiomyocytes, accounting for up to one-third of the total cell volume, and play an essential role in maintaining optimal performance of the heart. Mitochondrial quality control (MQC), including mitochondrial fusion, fission, mitophagy, mitochondrial biogenesis, and mitochondrial metabolism and biosynthesis, is crucial machinery that modulates cardiac cells and heart function by maintaining and regulating the morphological structure, function and lifespan of mitochondria. Certain investigations have focused on mitochondrial dynamics, including manipulating and maintaining the dynamic balance of energy demand and nutrient supply, and the resultant findings suggest that changes in mitochondrial morphology and function may contribute to bioenergetic adaptation during cardiac fibrosis and pathological remodeling. In this review, we discuss the function of epigenetic regulation and molecular mechanisms of MQC in the pathogenesis of CF and provide evidence for targeting MQC for CF. Finally, we discuss how these findings can be applied to improve the treatment and prevention of CF.
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Affiliation(s)
- Li-Chan Lin
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Bin Tu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Kai Song
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Zhi-Yan Liu
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - He Sun
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Yang Zhou
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Ji-Ming Sha
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Jing-Jing Yang
- Department of Clinical Pharmacy, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China.
| | - Ye Zhang
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China.
| | - Jian-Yuan Zhao
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China; Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China.
| | - Hui Tao
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China; Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China; Institute for Developmental and Regenerative Cardiovascular Medicine, MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China.
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Krzyżewska A, Baranowska-Kuczko M, Kasacka I, Kozłowska H. Cannabidiol alleviates right ventricular fibrosis by inhibiting the transforming growth factor β pathway in monocrotaline-induced pulmonary hypertension in rats. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166753. [PMID: 37187449 DOI: 10.1016/j.bbadis.2023.166753] [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: 02/20/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
Cannabidiol (CBD) is a non-intoxicating compound of Cannabis with anti-fibrotic properties. Pulmonary hypertension (PH) is a disease that can lead to right ventricular (RV) failure and premature death. There is evidence that CBD reduces monocrotaline (MCT)-induced PH, including reducing right ventricular systolic pressure (RVSP), vasorelaxant effect on pulmonary arteries, and decreasing expression of profibrotic markers in the lungs. The aim of our study was to investigate the effect of chronic administration of CBD (10 mg/kg daily for 21 days) on profibrotic parameters in the RVs of MCT-induced PH rats. In MCT-induced PH, we found an increase in profibrotic parameters and parameters related to RV dysfunction, i.e. plasma pro-B-type natriuretic peptide (NT-proBNP), cardiomyocyte width, interstitial and perivascular fibrosis area, amount of fibroblasts and fibronectin, as well as overexpression of the transforming growth of factor β1 (TGF-β1), galectin-3 (Gal-3), suppressor of mothers against decapentaplegic 2 (SMAD2), phosphorylated SMAD2 (pSMAD2) and alpha-smooth muscle actin (α-SMA). In contrast, vascular endothelial cadherin (VE-cadherin) levels were decreased in the RVs of MCT-induced PH rats. Administration of CBD reduced the amount of plasma NT-proBNP, the width of cardiomyocytes, the amount of fibrosis area, fibronectin and fibroblast expression, as well as decreased the expression of TGF-β1, Gal-3, SMAD2, pSMAD2, and increased the level of VE-cadherin. Overall, CBD has been found to have the anti-fibrotic potential in MCT-induced PH. As such, CBD may act as an adjuvant therapy for PH, however, further detailed investigations are recommended to confirm our promising results.
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Affiliation(s)
- Anna Krzyżewska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Białystok, Poland.
| | - Marta Baranowska-Kuczko
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Białystok, Poland; Department of Clinical Pharmacy, Medical University of Białystok, Białystok, Poland
| | - Irena Kasacka
- Department of Histology and Cytophysiology, Medical University of Białystok, Białystok, Poland
| | - Hanna Kozłowska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Białystok, Poland
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Ma WY, Wu QL, Wang SS, Wang HY, Ye JR, Sun HS, Feng ZP, He WB, Chu SF, Zhang Z, Chen NH. A breakdown of metabolic reprogramming in microglia induced by CKLF1 exacerbates immune tolerance in ischemic stroke. J Neuroinflammation 2023; 20:97. [PMID: 37098609 PMCID: PMC10127063 DOI: 10.1186/s12974-023-02779-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 04/12/2023] [Indexed: 04/27/2023] Open
Abstract
Ischemic stroke is characterized by the presence of reactive microglia. However, its precise involvement in stroke etiology is still unknown. We used metabolic profiling and showed that chemokine like factor 1 (CKLF1) causes acute microglial inflammation and metabolic reprogramming from oxidative phosphorylation to glycolysis, which was reliant on the AMP-activated protein kinase (AMPK)-mammalian target of rapamycin (mTOR)-hypoxia inducible factor 1α (HIF-1α) signaling pathway. Once activated, microglia enter a chronic tolerant state as a result of widespread energy metabolism abnormalities, which reduces immunological responses, including cytokine release and phagocytosis. Metabolically dysfunctional microglia were also found in mice using genome-wide RNA sequencing after chronic administration of CKLF1, and there was a decrease in the inflammatory response. Finally, we showed that the loss of CKLF1 reversed the defective immune response of microglia, as indicated by the maintenance its phagocytosis to neutrophils, thereby mitigating the long-term outcomes of ischemic stroke. Overall, CKLF1 plays a crucial role in the relationship between microglial metabolic status and immune function in stroke, which prepares a potential therapeutic strategy for ischemic stroke.
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Affiliation(s)
- Wen-Yu Ma
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Qing-Lin Wu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Sha-Sha Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Hong-Yun Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medical & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Jun-Rui Ye
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medical & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Hong-Shuo Sun
- Department of Physiology, Temerty faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON, M5S 1A8, Canada
| | - Zhong-Ping Feng
- Department of Physiology, Temerty faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON, M5S 1A8, Canada
| | - Wen-Bin He
- Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Shanxi University of Chinese Medicine, Taiyuan, 030024, China
- National International Joint Research Center for Molecular Chinese Medicine, Shanxi University of Chinese Medicine, Taiyuan, 030024, China
| | - Shi-Feng Chu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medical & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Zhao Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medical & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Nai-Hong Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medical & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
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Li B, Liang Y, Bao H, Li D, Zhang Y, Dun X, Xu Z, Ji A, Zhang Z, Li Y, Zhang R, Chen W, Zheng Y, Cui L. Real-ambient particulate matter exposure-induced FGFR1 methylation contributes to cardiac dysfunction via lipid metabolism disruption. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161903. [PMID: 36731555 DOI: 10.1016/j.scitotenv.2023.161903] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/18/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Particulate matter (PM)-induced cardiometabolic disorder contributes to the progression of cardiac diseases, but its epigenetic mechanisms are largely unknown. This study used bioinformatic analysis, in vivo and in vitro multiple models to investigate the role of PM-induced cardiac fibroblast growth factor 1 (FGFR1) methylation and its impact on cardiomyocyte lipid metabolic disruption. Bioinformatic analysis revealed that FGFR1 was associated with cardiac pathologies, mitochondrial function and metabolism, supporting the possibility that FGFR1 may play regulatory roles in PM-induced cardiac functional impairment and lipid metabolism disorders. Individually ventilated cage (IVC)-based real-ambient PM exposure system mouse models were used to expose C57/BL6 mice for six and fifteen weeks. The results showed that PM induced cardiac lipid metabolism disorder, DNA nucleotide methyltransferases (DNMTs) alterations and FGFR1 expression declines in mouse heart. Lipidomics analysis revealed that carnitines, phosphoglycerides and lysophosphoglycerides were most significantly affected by PM exposure. At the cellular level, AC16 cells treated with FGFR1 inhibitor (PD173074) led to impaired mitochondrial and metabolic functions in cardiomyocytes. Inhibition of DNA methylation in cells by 5-AZA partially restored the FGFR1 expression, ameliorated cardiomyocyte injury and mitochondrial functions. These changes involved alterations in AMP-activated protein kinase (AMPK)-peroxisome proliferator activated receptors gamma, coactivator 1 alpha (PGC1α) pathways. Bisulfite sequencing PCR (BSP) and DNA methylation specific PCR (MSP) confirmed that PM exposure induced FGFR1 gene promoter region methylation. These results suggested that, by inducing FGFR1 methylation, PM exposure would affect cardiac injury and deranged lipid metabolism. Overexpression of FGFR1 in mouse heart using adeno-associated virus 9 (AAV9) effectively alleviated PM-induced cardiac impairment and metabolic disorder. Our findings identified that FGFR1 methylation might be one of the potential indicators for PM-induced cardiac mitochondrial and metabolic dysfunction, providing novel insights into underlying PM-related cardiotoxic mechanisms.
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Affiliation(s)
- Benying Li
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Yanan Liang
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Hongxu Bao
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Daochuan Li
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Ying Zhang
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Xinyu Dun
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Zijian Xu
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Andong Ji
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Zhen Zhang
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Yahui Li
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Rong Zhang
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Wen Chen
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yuxin Zheng
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China
| | - Lianhua Cui
- Department of Toxicology, School of Public Health, Qingdao University, Qingdao, China.
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Xie D, Xu Y, Zhang Y, Cai W, Lan X, Yan H. Pyruvate dehydrogenase kinase 1–dependent metabolic reprogramming: A promising target for postmenopausal osteoporosis treatment. Biomed Pharmacother 2023. [DOI: 10.1016/j.biopha.2023.114411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023] Open
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Lin Q, Kumar S, Kariyawasam U, Yang X, Yang W, Skinner JT, Gao WD, Johns RA. Human Resistin Induces Cardiac Dysfunction in Pulmonary Hypertension. J Am Heart Assoc 2023; 12:e027621. [PMID: 36927008 PMCID: PMC10111547 DOI: 10.1161/jaha.122.027621] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 03/18/2023]
Abstract
Background Cardiac failure is the primary cause of death in most patients with pulmonary arterial hypertension (PH). As pleiotropic cytokines, human resistin (Hresistin) and its rodent homolog, resistin-like molecule α, are mechanistically critical to pulmonary vascular remodeling in PH. However, it is still unclear whether activation of these resistin-like molecules can directly cause PH-associated cardiac dysfunction and remodeling. Methods and Results In this study, we detected Hresistin protein in right ventricular (RV) tissue of patients with PH and elevated resistin-like molecule expression in RV tissues of rodents with RV hypertrophy and failure. In a humanized mouse model, cardiac-specific Hresistin overexpression was sufficient to cause cardiac dysfunction and remodeling. Dilated hearts exhibited reduced force development and decreased intracellular Ca2+ transients. In the RV tissues overexpressing Hresistin, the impaired contractility was associated with the suppression of protein kinase A and AMP-activated protein kinase. Mechanistically, Hresistin activation triggered the inflammation mediated by signaling of the key damage-associated molecular pattern molecule high-mobility group box 1, and subsequently induced pro-proliferative Ki67 in RV tissues of the transgenic mice. Intriguingly, an anti-Hresistin human antibody that we generated protected the myocardium from hypertrophy and failure in the rodent PH models. Conclusions Our data indicate that Hresistin is expressed in heart tissues and plays a role in the development of RV dysfunction and maladaptive remodeling through its immunoregulatory activities. Targeting this signaling to modulate cardiac inflammation may offer a promising strategy to treat PH-associated RV hypertrophy and failure in humans.
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Affiliation(s)
- Qing Lin
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
| | - Santosh Kumar
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
| | - Udeshika Kariyawasam
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
| | - Xiaomei Yang
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
- Department of AnesthesiologyQilu Hospital, Cheeloo College of Medicine, Shandong UniversityJinanChina
| | - Wei Yang
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
- Department of Cardiovascular MedicineXiangya Hospital, Central South UniversityChangshaChina
| | - John T. Skinner
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
| | - Wei Dong Gao
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
| | - Roger A. Johns
- Department of Anesthesiology and Critical Care MedicineJohns Hopkins University School of MedicineBaltimoreMD
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New Drugs and Therapies in Pulmonary Arterial Hypertension. Int J Mol Sci 2023; 24:ijms24065850. [PMID: 36982922 PMCID: PMC10058689 DOI: 10.3390/ijms24065850] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/22/2023] Open
Abstract
Pulmonary arterial hypertension is a chronic, progressive disorder of the pulmonary vasculature with associated pulmonary and cardiac remodeling. PAH was a uniformly fatal disease until the late 1970s, but with the advent of targeted therapies, the life expectancy of patients with PAH has now considerably improved. Despite these advances, PAH inevitably remains a progressive disease with significant morbidity and mortality. Thus, there is still an unmet need for the development of new drugs and other interventional therapies for the treatment of PAH. One shortcoming of currently approved vasodilator therapies is that they do not target or reverse the underlying pathogenesis of the disease process itself. A large body of evidence has evolved in the past two decades clarifying the role of genetics, dysregulation of growth factors, inflammatory pathways, mitochondrial dysfunction, DNA damage, sex hormones, neurohormonal pathways, and iron deficiency in the pathogenesis of PAH. This review focuses on newer targets and drugs that modify these pathways as well as novel interventional therapies in PAH.
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Ormeloxifene, a selective estrogen receptor modulator, protects against pulmonary hypertension. Eur J Pharmacol 2023; 943:175558. [PMID: 36731722 DOI: 10.1016/j.ejphar.2023.175558] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023]
Abstract
PURPOSE Protective effect of 17β-estradiol is well-known in pulmonary hypertension. However, estrogen-based therapy may potentially increase the risk of breast cancer, necessitating a search for novel drugs. This study, therefore, investigated the ameliorative effects of a selective estrogen receptor modulator, ormeloxifene, in pulmonary hypertension. METHODS Cardiomyocytes (H9C2) and human pulmonary arterial smooth muscle cells (HPASMCs) were exposed to hypoxia (1% O2) for 42 and 96 h, respectively, with or without ormeloxifene pre-treatment (1 μM). Also, female (ovary-intact or ovariectomized) and male Sprague-Dawley rats received monocrotaline (60 mg/kg, once, subcutaneously), with or without ormeloxifene treatment (2.5 mg/kg, orally) for four weeks. RESULTS Hypoxia dysregulated 17β-hydroxysteroid dehydrogenase (17βHSD) 1 & 2 expressions, reducing 17β-estradiol production and estrogen receptors α and β in HPASMC but increasing estrone, proliferation, inflammation, oxidative stress, and mitochondrial dysfunction. Similarly, monocrotaline decreased plasma 17β-estradiol and uterine weight in ovary-intact rats. Further, monocrotaline altered 17βHSD1 & 2 expressions and reduced estrogen receptors α and β, increasing right ventricular pressure, proliferation, inflammation, oxidative stress, endothelial dysfunction, mitochondrial dysfunction, and vascular remodeling in female and male rats, with worsened conditions in ovariectomized rats. Ormeloxifene was less uterotrophic; however, it attenuated both hypoxia and monocrotaline effects by improving pulmonary 17β-estradiol synthesis. Furthermore, ormeloxifene decreased cardiac hypertrophy and right ventricular remodeling induced by hypoxia and monocrotaline. CONCLUSION This study demonstrates that ormeloxifene promoted pulmonary 17β-estradiol synthesis, alleviated inflammation, improved the NOX4/HO1/Nrf/PPARγ/PGC-1α axis, and attenuated pulmonary hypertension. It is evidently safe at tested concentrations and may be effectively repurposed for pulmonary hypertension treatment.
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Stacpoole PW, McCall CE. The pyruvate dehydrogenase complex: Life's essential, vulnerable and druggable energy homeostat. Mitochondrion 2023; 70:59-102. [PMID: 36863425 DOI: 10.1016/j.mito.2023.02.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 01/30/2023] [Accepted: 02/13/2023] [Indexed: 03/04/2023]
Abstract
Found in all organisms, pyruvate dehydrogenase complexes (PDC) are the keystones of prokaryotic and eukaryotic energy metabolism. In eukaryotic organisms these multi-component megacomplexes provide a crucial mechanistic link between cytoplasmic glycolysis and the mitochondrial tricarboxylic acid (TCA) cycle. As a consequence, PDCs also influence the metabolism of branched chain amino acids, lipids and, ultimately, oxidative phosphorylation (OXPHOS). PDC activity is an essential determinant of the metabolic and bioenergetic flexibility of metazoan organisms in adapting to changes in development, nutrient availability and various stresses that challenge maintenance of homeostasis. This canonical role of the PDC has been extensively probed over the past decades by multidisciplinary investigations into its causal association with diverse physiological and pathological conditions, the latter making the PDC an increasingly viable therapeutic target. Here we review the biology of the remarkable PDC and its emerging importance in the pathobiology and treatment of diverse congenital and acquired disorders of metabolic integration.
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Affiliation(s)
- Peter W Stacpoole
- Department of Medicine (Division of Endocrinology, Metabolism and Diabetes), and Department of Biochemistry and Molecular Biology, University of Florida, College of Medicine, Gainesville, FL, United States.
| | - Charles E McCall
- Department of Internal Medicine and Translational Sciences, and Department of Microbiology and Immunology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
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Breault NM, Wu D, Dasgupta A, Chen KH, Archer SL. Acquired disorders of mitochondrial metabolism and dynamics in pulmonary arterial hypertension. Front Cell Dev Biol 2023; 11:1105565. [PMID: 36819102 PMCID: PMC9933518 DOI: 10.3389/fcell.2023.1105565] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/09/2023] [Indexed: 02/05/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is an orphan disease of the cardiopulmonary unit that reflects an obstructive pulmonary vasculopathy and presents with hypertrophy, inflammation, fibrosis, and ultimately failure of the right ventricle (RVF). Despite treatment using pulmonary hypertension (PH)-targeted therapies, persistent functional impairment reduces the quality of life for people with PAH and death from RVF occurs in approximately 40% of patients within 5 years of diagnosis. PH-targeted therapeutics are primarily vasodilators and none, alone or in combination, are curative. This highlights a need to therapeutically explore molecular targets in other pathways that are involved in the pathogenesis of PAH. Several candidate pathways in PAH involve acquired mitochondrial dysfunction. These mitochondrial disorders include: 1) a shift in metabolism related to increased expression of pyruvate dehydrogenase kinase and pyruvate kinase, which together increase uncoupled glycolysis (Warburg metabolism); 2) disruption of oxygen-sensing related to increased expression of hypoxia-inducible factor 1α, resulting in a state of pseudohypoxia; 3) altered mitochondrial calcium homeostasis related to impaired function of the mitochondrial calcium uniporter complex, which elevates cytosolic calcium and reduces intramitochondrial calcium; and 4) abnormal mitochondrial dynamics related to increased expression of dynamin-related protein 1 and its binding partners, such as mitochondrial dynamics proteins of 49 kDa and 51 kDa, and depressed expression of mitofusin 2, resulting in increased mitotic fission. These acquired mitochondrial abnormalities increase proliferation and impair apoptosis in most pulmonary vascular cells (including endothelial cells, smooth muscle cells and fibroblasts). In the RV, Warburg metabolism and induction of glutaminolysis impairs bioenergetics and promotes hypokinesis, hypertrophy, and fibrosis. This review will explore our current knowledge of the causes and consequences of disordered mitochondrial function in PAH.
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Affiliation(s)
- Nolan M. Breault
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Danchen Wu
- Department of Medicine, Queen’s University, Kingston, ON, Canada,*Correspondence: Danchen Wu, ; Stephen L. Archer,
| | - Asish Dasgupta
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Kuang-Hueih Chen
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Stephen L. Archer
- Department of Medicine, Queen’s University, Kingston, ON, Canada,Queen’s Cardiopulmonary Unit (QCPU), Translational Institute of Medicine (TIME), Department of Medicine, Queen’s University, Kingston, ON, Canada,*Correspondence: Danchen Wu, ; Stephen L. Archer,
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Wu C, Bao S, Li R, Sun H, Peng Y. Noncoding RNAs and Cardiac Fibrosis. Rev Cardiovasc Med 2023; 24:63. [PMID: 39077397 PMCID: PMC11273127 DOI: 10.31083/j.rcm2402063] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 11/07/2022] [Accepted: 11/15/2022] [Indexed: 07/31/2024] Open
Abstract
Myocardial fibrosis is a common pathological feature of various terminal cardiovascular diseases. Progressive fibrosis is the pathological basis for the development and progression of many cardiac arrhythmias and heart failure. There are no effective reversal drugs for myocardial fibrosis due to the lack of understanding of the molecular mechanisms. Noncoding RNAs, a class of RNAs that do not function in coding proteins, have been found to be intimately involved in the life cycle of cardiomyocyte differentiation, transcription and apoptosis and are important regulators of cardiovascular disease. An increasing number of studies have shown that noncoding RNAs regulate the proliferation and transformation of cardiac fibroblasts through related signaling pathways and can be used as potential biomarkers and novel therapeutic targets for cardiac fibrosis. This article reviews the relationship between noncoding RNAs and cardiac fibrosis.
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Affiliation(s)
- Changyong Wu
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, 650000 Kunming, Yunnan, China
| | - Suli Bao
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, 650000 Kunming, Yunnan, China
| | - Ruijie Li
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, 650000 Kunming, Yunnan, China
| | - Huang Sun
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, 650000 Kunming, Yunnan, China
| | - Yunzhu Peng
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, 650000 Kunming, Yunnan, China
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Chen J, Huayu M, Su S, Wang S, Yang Z, Nan X, Lu D, Li Z. Vanillic Acid Alleviates Right Ventricular Function in Rats With MCT-Induced Pulmonary Arterial Hypertension. Nat Prod Commun 2023. [DOI: 10.1177/1934578x221148896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
This study examined the molecular processes behind the effects of vanillic acid (VA) on right ventricular (RV) hypertrophy and function in rats with monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH). There were 40 male Sprague‒Dawley (SD) rats that were separated into 4 groups: Control, PAH, MCT + VA (50 mg/kg/d), and MCT + VA (100 mg/kg/d). Male SD rats were injected with MCT once under the skin to create the PAH model (40 mg/kg). RV morphological properties were evaluated using Masson and hematoxylin and eosin (H&E) staining. Echocardiography was used to evaluate RV functioning and right ventricle–pulmonary artery (RV-PA) coupling. In addition, Rho-associated protein kinase (ROCK) pathway-related factors were evaluated using Western blotting. Enzyme-linked immunosorbent assay (ELISA) was used to detect inflammatory markers as well as atrial natriuretic peptide (ANP) and brain-type natriuretic peptide (BNP) in the blood of PAH rats. As a result, VA effectively reduced the development of RV cardiomyocyte hypertrophy and fibrosis in PAH rats; levels of ANP, BNP, and inflammatory markers in the blood of PAH rats were also significantly decreased by VA intervention. Additionally, VA enhanced RV functioning and RV-PA coupling in PAH rats. In response to VA, the expression of proteins related to the ROCK pathway (ROCK1, ROCK2, NFATc3, P-STAT3, and Bax) was downregulated, whereas Bcl-2 expression was elevated. This study found that VA could attenuate RV remodeling and improve RV-PA coupling in PAH rats. RV remodeling and dysfunction may be linked to the dysregulation of the ROCK pathway, and the protective action of VA on RV function may be due to a block in the ROCK signaling pathway or its downstream signaling molecules.
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Affiliation(s)
- Ju Chen
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
- School of Ecological and Environmental Engineering, Qinghai University, Xining, China
| | - Meiduo Huayu
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
| | - Shanshan Su
- Technical center of Xining Customs, Key Laboratory of Food Safety Research in Qinghai Province, Xining, China
| | - Shan Wang
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
| | | | - Xingmei Nan
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
- School of Ecological and Environmental Engineering, Qinghai University, Xining, China
| | - Dianxiang Lu
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
- Medical College, Qinghai University, Xining, China
| | - Zhanqiang Li
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, China
- Medical College, Qinghai University, Xining, China
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Qin HL, Bao JH, Tang JJ, Xu DY, Shen L. Arterial remodeling: the role of mitochondrial metabolism in vascular smooth muscle cells. Am J Physiol Cell Physiol 2023; 324:C183-C192. [PMID: 36468843 DOI: 10.1152/ajpcell.00074.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Arterial remodeling is a common pathological basis of cardiovascular diseases such as atherosclerosis, vascular restenosis, hypertension, pulmonary hypertension, aortic dissection, and aneurysm. Vascular smooth muscle cells (VSMCs) are not only the main cellular components in the middle layer of the arterial wall but also the main cells involved in arterial remodeling. Dedifferentiated VSMCs lose their contractile properties and are converted to a synthetic, secretory, proliferative, and migratory phenotype, playing key roles in the pathogenesis of arterial remodeling. As mitochondria are the main site of biological oxidation and energy transformation in eukaryotic cells, mitochondrial numbers and function are very important in maintaining the metabolic processes in VSMCs. Mitochondrial dysfunction and oxidative stress are novel triggers of the phenotypic transformation of VSMCs, leading to the onset and development of arterial remodeling. Therefore, pharmacological measures that alleviate mitochondrial dysfunction reverse arterial remodeling by ameliorating VSMCs metabolic dysfunction and phenotypic transformation, providing new options for the treatment of cardiovascular diseases related to arterial remodeling. This review summarizes the relationship between mitochondrial dysfunction and cardiovascular diseases associated with arterial remodeling and then discusses the potential mechanism by which mitochondrial dysfunction participates in pathological arterial remodeling. Furthermore, maintaining or improving mitochondrial function may be a new intervention strategy to prevent the progression of arterial remodeling.
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Affiliation(s)
- Hua-Li Qin
- Department of Internal Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Jing-Hui Bao
- Department of Internal Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Jian-Jun Tang
- Department of Internal Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Dan-Yan Xu
- Department of Internal Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Li Shen
- Department of Internal Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, China
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Wang J, Yang Y, Sun F, Luo Y, Yang Y, Li J, Hu W, Tao H, Lu C, Yang JJ. ALKBH5 attenuates mitochondrial fission and ameliorates liver fibrosis by reducing Drp1 methylation. Pharmacol Res 2023; 187:106608. [PMID: 36566000 DOI: 10.1016/j.phrs.2022.106608] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/06/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022]
Abstract
Mitochondrial metabolism plays a pivotal role in various cellular processes and fibrosis. However, the mechanism underlying mitochondrial metabolic function and liver fibrosis remains poorly understood. In this study, we determined whether mitochondrial metabolism mediates liver fibrosis using cells, animal models, and clinical samples to elucidate the potential effects and underlying mechanism of mitochondrial metabolism in liver fibrosis. We report that AlkB Homolog 5 (ALKBH5) decreases mitochondrial membrane potential (MMP) and oxygen consumption rate (OCR), suppresses mitochondrial fission and hepatic stellate cell (HSC) proliferation and migration and ameliorates liver fibrosis. Enhancement of mitochondrial fission, an essential event during HSC proliferation and migration, is dependent on decreased ALKBH5 expression. Furthermore, we reveal that low ALKBH5 expression is associated with elevated N6-methyladenosine (m6A) mRNA levels. Mechanistically, ALKBH5 mediates m6A demethylation in the 3'UTR of Drp1 mRNA and induces its translation in a YTH domain family proteins 1 (YTHDF1)-independent manner. Subsequently, in transforming growth factor-β1 (TGF-β1) induced HSC, Dynamin-related protein 1 (Drp1) mediates mitochondrial fission and increases cell proliferation and migration. Decreased Drp1 expression inhibits mitochondrial fission and suppresses HSC proliferation and migration. Notably, human fibrotic liver and heart tissue exhibited enhanced mitochondrial fission; increased YTHDF1, Drp1, alpha-smooth muscle actin (α-SMA) and collagen I expression; decreased ALKBH5 expression and increased liver fibrosis. Our results highlight a novel mechanism by which ALKBH5 suppresses mitochondrial fission and HSC proliferation and migration by reducing Drp1 methylation in an m6A-YTHDF1-dependent manner, which may indicate a demethylation-based approach for liver fibrosis diagnosis and therapy.
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Affiliation(s)
- Juan Wang
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yang Yang
- Department of Surgical Oncology, Suzhou Science & Technology Town Hospital, Suzhou 215153, China
| | - Feng Sun
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yong Luo
- Department of Scientific research and experimental center, The Second Hospital of Anhui Medical University, Hefei 230601, China
| | - Yan Yang
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Jun Li
- School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Hui Tao
- Department of Anesthesiology, The Second Hospital of Anhui Medical University, Hefei 230601, China.
| | - Chao Lu
- First Affiliated Hospital, Anhui University of Science & Technology, Huainan 232001, China; School of Pharmacy, Anhui Medical University, Hefei 230032, China.
| | - Jing-Jing Yang
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China.
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Huang X, Zeng Z, Li S, Xie Y, Tong X. The Therapeutic Strategies Targeting Mitochondrial Metabolism in Cardiovascular Disease. Pharmaceutics 2022; 14:pharmaceutics14122760. [PMID: 36559254 PMCID: PMC9788260 DOI: 10.3390/pharmaceutics14122760] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease (CVD) is a group of systemic disorders threatening human health with complex pathogenesis, among which mitochondrial energy metabolism reprogramming has a critical role. Mitochondria are cell organelles that fuel the energy essential for biochemical reactions and maintain normal physiological functions of the body. Mitochondrial metabolic disorders are extensively involved in the progression of CVD, especially for energy-demanding organs such as the heart. Therefore, elucidating the role of mitochondrial metabolism in the progression of CVD is of great significance to further understand the pathogenesis of CVD and explore preventive and therapeutic methods. In this review, we discuss the major factors of mitochondrial metabolism and their potential roles in the prevention and treatment of CVD. The current application of mitochondria-targeted therapeutic agents in the treatment of CVD and advances in mitochondria-targeted gene therapy technologies are also overviewed.
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Affiliation(s)
- Xiaoyang Huang
- Department of Pharmacology and Pharmacy, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Zhenhua Zeng
- Biomedical Research Center, Hunan University of Medicine, Huaihua 418000, China
| | - Siqi Li
- Department of Pharmacology and Pharmacy, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
| | - Yufei Xie
- Department of Pharmacology and Pharmacy, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Xiaoyong Tong
- Department of Pharmacology and Pharmacy, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
- Jinfeng Laboratory, Chongqing 401329, China
- Correspondence:
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