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Totoń-Żurańska J, Mikolajczyk TP, Saju B, Guzik TJ. Vascular remodelling in cardiovascular diseases: hypertension, oxidation, and inflammation. Clin Sci (Lond) 2024; 138:817-850. [PMID: 38920058 DOI: 10.1042/cs20220797] [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: 09/26/2023] [Revised: 06/08/2024] [Accepted: 06/10/2024] [Indexed: 06/27/2024]
Abstract
Optimal vascular structure and function are essential for maintaining the physiological functions of the cardiovascular system. Vascular remodelling involves changes in vessel structure, including its size, shape, cellular and molecular composition. These changes result from multiple risk factors and may be compensatory adaptations to sustain blood vessel function. They occur in diverse cardiovascular pathologies, from hypertension to heart failure and atherosclerosis. Dynamic changes in the endothelium, fibroblasts, smooth muscle cells, pericytes or other vascular wall cells underlie remodelling. In addition, immune cells, including macrophages and lymphocytes, may infiltrate vessels and initiate inflammatory signalling. They contribute to a dynamic interplay between cell proliferation, apoptosis, migration, inflammation, and extracellular matrix reorganisation, all critical mechanisms of vascular remodelling. Molecular pathways underlying these processes include growth factors (e.g., vascular endothelial growth factor and platelet-derived growth factor), inflammatory cytokines (e.g., interleukin-1β and tumour necrosis factor-α), reactive oxygen species, and signalling pathways, such as Rho/ROCK, MAPK, and TGF-β/Smad, related to nitric oxide and superoxide biology. MicroRNAs and long noncoding RNAs are crucial epigenetic regulators of gene expression in vascular remodelling. We evaluate these pathways for potential therapeutic targeting from a clinical translational perspective. In summary, vascular remodelling, a coordinated modification of vascular structure and function, is crucial in cardiovascular disease pathology.
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Affiliation(s)
- Justyna Totoń-Żurańska
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Krakow, Poland
| | - Tomasz P Mikolajczyk
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Krakow, Poland
- Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Blessy Saju
- BHF Centre for Research Excellence, Centre for Cardiovascular Sciences, The University of Edinburgh, Edinburgh, U.K
| | - Tomasz J Guzik
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Krakow, Poland
- Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
- BHF Centre for Research Excellence, Centre for Cardiovascular Sciences, The University of Edinburgh, Edinburgh, U.K
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2
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Dabral S, Noh M, Werner F, Krebes L, Völker K, Maier C, Aleksic I, Novoyatleva T, Hadzic S, Schermuly RT, Perez VADJ, Kuhn M. C-type natriuretic peptide/cGMP/FoxO3 signaling attenuates hyperproliferation of pericytes from patients with pulmonary arterial hypertension. Commun Biol 2024; 7:693. [PMID: 38844781 PMCID: PMC11156916 DOI: 10.1038/s42003-024-06375-3] [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: 07/27/2023] [Accepted: 05/23/2024] [Indexed: 06/09/2024] Open
Abstract
Pericyte dysfunction, with excessive migration, hyperproliferation, and differentiation into smooth muscle-like cells contributes to vascular remodeling in Pulmonary Arterial Hypertension (PAH). Augmented expression and action of growth factors trigger these pathological changes. Endogenous factors opposing such alterations are barely known. Here, we examine whether and how the endothelial hormone C-type natriuretic peptide (CNP), signaling through the cyclic guanosine monophosphate (cGMP) -producing guanylyl cyclase B (GC-B) receptor, attenuates the pericyte dysfunction observed in PAH. The results demonstrate that CNP/GC-B/cGMP signaling is preserved in lung pericytes from patients with PAH and prevents their growth factor-induced proliferation, migration, and transdifferentiation. The anti-proliferative effect of CNP is mediated by cGMP-dependent protein kinase I and inhibition of the Phosphoinositide 3-kinase (PI3K)/AKT pathway, ultimately leading to the nuclear stabilization and activation of the Forkhead Box O 3 (FoxO3) transcription factor. Augmentation of the CNP/GC-B/cGMP/FoxO3 signaling pathway might be a target for novel therapeutics in the field of PAH.
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Affiliation(s)
- Swati Dabral
- Institute of Physiology, University of Würzburg, Würzburg, Germany.
| | - Minhee Noh
- Institute of Physiology, University of Würzburg, Würzburg, Germany
| | - Franziska Werner
- Institute of Physiology, University of Würzburg, Würzburg, Germany
| | - Lisa Krebes
- Institute of Physiology, University of Würzburg, Würzburg, Germany
| | - Katharina Völker
- Institute of Physiology, University of Würzburg, Würzburg, Germany
| | - Christopher Maier
- Department of Thoracic and Cardiovascular Surgery, University hospital Würzburg, Würzburg, Germany
| | - Ivan Aleksic
- Department of Thoracic and Cardiovascular Surgery, University hospital Würzburg, Würzburg, Germany
| | - Tatyana Novoyatleva
- Justus-Liebig-University Giessen (JLU), Giessen, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), Giessen, Germany
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
- Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Stefan Hadzic
- Justus-Liebig-University Giessen (JLU), Giessen, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), Giessen, Germany
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
- Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Ralph Theo Schermuly
- Justus-Liebig-University Giessen (JLU), Giessen, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), Giessen, Germany
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
- Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Vinicio A de Jesus Perez
- Divisions of Pulmonary and Critical Care Medicine and Stanford Cardiovascular Institute, Stanford University, California, USA
| | - Michaela Kuhn
- Institute of Physiology, University of Würzburg, Würzburg, Germany
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3
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Kuhn M. Keeps Cardiac Pericytes in Good Shape: Regulator of G-Protein Signaling-5. Circ Res 2024; 134:1256-1258. [PMID: 38723034 DOI: 10.1161/circresaha.124.324476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Affiliation(s)
- Michaela Kuhn
- Institute of Physiology, University of Würzburg, D-97070 Würzburg, Germany
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4
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Hang C, Zu L, Luo X, Wang Y, Yan L, Zhang Z, Le K, Huang Y, Ye L, Ying Y, Chen K, Xu X, Lv Q, Du L. Ddx5 Targeted Epigenetic Modification of Pericytes in Pulmonary Hypertension After Intrauterine Growth Restriction. Am J Respir Cell Mol Biol 2024; 70:400-413. [PMID: 38301267 DOI: 10.1165/rcmb.2023-0244oc] [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: 07/04/2023] [Accepted: 02/01/2024] [Indexed: 02/03/2024] Open
Abstract
Newborns with intrauterine growth restriction (IUGR) have a higher likelihood of developing pulmonary arterial hypertension (PAH) in adulthood. Although there is increasing evidence suggesting that pericytes play a role in regulating myofibroblast transdifferentiation and angiogenesis in malignant and cardiovascular diseases, their involvement in the pathogenesis of IUGR-related pulmonary hypertension and the underlying mechanisms remain incompletely understood. To address this issue, a study was conducted using a Sprague-Dawley rat model of IUGR-related pulmonary hypertension. Our investigation revealed increased proliferation and migration of pulmonary microvascular pericytes in IUGR-related pulmonary hypertension, accompanied by weakened endothelial-pericyte interactions. Through whole-transcriptome sequencing, Ddx5 (DEAD-box protein 5) was identified as one of the hub genes in pericytes. DDX5, a member of the RNA helicase family, plays a role in the regulation of ATP-dependent RNA helicase activities and cellular function. MicroRNAs have been implicated in the pathogenesis of PAH, and microRNA-205 (miR-205) regulates cell proliferation, migration, and angiogenesis. The results of dual-luciferase reporter assays confirmed the specific binding of miR-205 to Ddx5. Mechanistically, miR-205 negatively regulates Ddx5, leading to the degradation of β-catenin by inhibiting the phosphorylation of Gsk3β at serine 9. In vitro experiments showed the addition of miR-205 effectively ameliorated pericyte dysfunction. Furthermore, in vivo experiments demonstrated that miR-205 agomir could ameliorate pulmonary hypertension. Our findings indicated that the downregulation of miR-205 expression mediates pericyte dysfunction through the activation of Ddx5. Therefore, targeting the miR-205/Ddx5/p-Gsk3β/β-catenin axis could be a promising therapeutic approach for IUGR-related pulmonary hypertension.
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Affiliation(s)
| | - Lu Zu
- Department of Neonatology and
| | - Xiaofei Luo
- Department of Pediatrics, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China; and
| | - Yu Wang
- Department of Neonatology and
| | - Lingling Yan
- Department of Pediatrics, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China; and
| | | | - Kaixing Le
- Academy of Pediatrics, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | | | | | | | | | - Xuefeng Xu
- Department of Rheumatology, Immunology, and Allergy, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang Province, People's Republic of China
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5
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Farkas L, Rojas M. When a DEAD-Box Protein Is the Key: A Novel Role for DDX5 in Lung Pericyte Dysfunction. Am J Respir Cell Mol Biol 2024; 70:336-338. [PMID: 38364217 PMCID: PMC11109584 DOI: 10.1165/rcmb.2024-0031ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/16/2024] [Indexed: 02/18/2024] Open
Affiliation(s)
- Laszlo Farkas
- Division of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine
- Davis Heart and Lung Research Institute The Ohio State University College of Medicine Columbus, Ohio
| | - Mauricio Rojas
- Division of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine
- Davis Heart and Lung Research Institute The Ohio State University College of Medicine Columbus, Ohio
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6
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Bettinetti-Luque M, Trujillo-Estrada L, Garcia-Fuentes E, Andreo-Lopez J, Sanchez-Varo R, Garrido-Sánchez L, Gómez-Mediavilla Á, López MG, Garcia-Caballero M, Gutierrez A, Baglietto-Vargas D. Adipose tissue as a therapeutic target for vascular damage in Alzheimer's disease. Br J Pharmacol 2024; 181:840-878. [PMID: 37706346 DOI: 10.1111/bph.16243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 08/11/2023] [Accepted: 09/01/2023] [Indexed: 09/15/2023] Open
Abstract
Adipose tissue has recently been recognized as an important endocrine organ that plays a crucial role in energy metabolism and in the immune response in many metabolic tissues. With this regard, emerging evidence indicates that an important crosstalk exists between the adipose tissue and the brain. However, the contribution of adipose tissue to the development of age-related diseases, including Alzheimer's disease, remains poorly defined. New studies suggest that the adipose tissue modulates brain function through a range of endogenous biologically active factors known as adipokines, which can cross the blood-brain barrier to reach the target areas in the brain or to regulate the function of the blood-brain barrier. In this review, we discuss the effects of several adipokines on the physiology of the blood-brain barrier, their contribution to the development of Alzheimer's disease and their therapeutic potential. LINKED ARTICLES: This article is part of a themed issue From Alzheimer's Disease to Vascular Dementia: Different Roads Leading to Cognitive Decline. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.6/issuetoc.
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Affiliation(s)
- Miriam Bettinetti-Luque
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
| | - Laura Trujillo-Estrada
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - Eduardo Garcia-Fuentes
- Unidad de Gestión Clínica Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Málaga, Spain
- CIBER de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain
| | - Juana Andreo-Lopez
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
| | - Raquel Sanchez-Varo
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Departamento de Fisiología Humana, Histología Humana, Anatomía Patológica y Educación Física y Deportiva, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - Lourdes Garrido-Sánchez
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Hospital Universitario Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Málaga, Spain
| | - Ángela Gómez-Mediavilla
- Departamento de Farmacología, Facultad de Medicina. Instituto Teófilo Hernando para la I+D de Fármacos, Universidad Autónoma de Madrid, Madrid, Spain
| | - Manuela G López
- Departamento de Farmacología, Facultad de Medicina. Instituto Teófilo Hernando para la I+D de Fármacos, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto de Investigaciones Sanitarias (IIS-IP), Hospital Universitario de la Princesa, Madrid, Spain
| | - Melissa Garcia-Caballero
- Departamento de Biología Molecular y Bioquímica, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
| | - Antonia Gutierrez
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - David Baglietto-Vargas
- Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA)-Plataforma BIONAND, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
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7
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Kim H, Liu Y, Kim J, Kim Y, Klouda T, Fisch S, Baek SH, Liu T, Dahlberg S, Hu CJ, Tian W, Jiang X, Kosmas K, Christou HA, Korman BD, Vargas SO, Wu JC, Stenmark KR, Perez VDJ, Nicolls MR, Raby BA, Yuan K. Pericytes contribute to pulmonary vascular remodeling via HIF2α signaling. EMBO Rep 2024; 25:616-645. [PMID: 38243138 PMCID: PMC10897382 DOI: 10.1038/s44319-023-00054-w] [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: 01/26/2023] [Revised: 12/07/2023] [Accepted: 12/19/2023] [Indexed: 01/21/2024] Open
Abstract
Vascular remodeling is the process of structural alteration and cell rearrangement of blood vessels in response to injury and is the cause of many of the world's most afflicted cardiovascular conditions, including pulmonary arterial hypertension (PAH). Many studies have focused on the effects of vascular endothelial cells and smooth muscle cells (SMCs) during vascular remodeling, but pericytes, an indispensable cell population residing largely in capillaries, are ignored in this maladaptive process. Here, we report that hypoxia-inducible factor 2α (HIF2α) expression is increased in the lung tissues of PAH patients, and HIF2α overexpressed pericytes result in greater contractility and an impaired endothelial-pericyte interaction. Using single-cell RNAseq and hypoxia-induced pulmonary hypertension (PH) models, we show that HIF2α is a major molecular regulator for the transformation of pericytes into SMC-like cells. Pericyte-selective HIF2α overexpression in mice exacerbates PH and right ventricular hypertrophy. Temporal cellular lineage tracing shows that HIF2α overexpressing reporter NG2+ cells (pericyte-selective) relocate from capillaries to arterioles and co-express SMA. This novel insight into the crucial role of NG2+ pericytes in pulmonary vascular remodeling via HIF2α signaling suggests a potential drug target for PH.
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Affiliation(s)
- Hyunbum Kim
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Yu Liu
- Stanford Cardiovascular Institute; Department of Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Jiwon Kim
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Yunhye Kim
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Timothy Klouda
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Sudeshna Fisch
- Department of Medicine, Brigham and Women Hospital, Boston, MA, USA
| | - Seung Han Baek
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Tiffany Liu
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Suzanne Dahlberg
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Cheng-Jun Hu
- Cardiovascular Pulmonary Research Laboratories, Division of Pulmonary Sciences and Critical Care Medicine, Division of Pediatrics-Critical Care, Departments of Medicine and Pediatrics, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Wen Tian
- Division of Pulmonary, Allergy and Critical Care Medicine, Dept of Medicine, Stanford University, Stanford, CA, USA
| | - Xinguo Jiang
- Division of Pulmonary, Allergy and Critical Care Medicine, Dept of Medicine, Stanford University, Stanford, CA, USA
| | - Kosmas Kosmas
- Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Helen A Christou
- Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Benjamin D Korman
- Division of Allergy/Immunology and Rheumatology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, 14623, USA
| | - Sara O Vargas
- Division of Pathology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute; Department of Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Kurt R Stenmark
- Cardiovascular Pulmonary Research Laboratories, Division of Pulmonary Sciences and Critical Care Medicine, Division of Pediatrics-Critical Care, Departments of Medicine and Pediatrics, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Vinicio de Jesus Perez
- Division of Pulmonary, Allergy and Critical Care Medicine, Dept of Medicine, Stanford University, Stanford, CA, USA
| | - Mark R Nicolls
- Division of Pulmonary, Allergy and Critical Care Medicine, Dept of Medicine, Stanford University, Stanford, CA, USA
| | - Benjamin A Raby
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ke Yuan
- Division of Pulmonary Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
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8
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Ranasinghe ADCU, Tennakoon TMPB, Schwarz MA. Emerging Epigenetic Targets and Their Molecular Impact on Vascular Remodeling in Pulmonary Hypertension. Cells 2024; 13:244. [PMID: 38334636 PMCID: PMC10854593 DOI: 10.3390/cells13030244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/10/2024] Open
Abstract
Pulmonary Hypertension (PH) is a terminal disease characterized by severe pulmonary vascular remodeling. Unfortunately, targeted therapy to prevent disease progression is limited. Here, the vascular cell populations that contribute to the molecular and morphological changes of PH in conjunction with current animal models for studying vascular remodeling in PH will be examined. The status quo of epigenetic targeting for treating vascular remodeling in different PH subtypes will be dissected, while parallel epigenetic threads between pulmonary hypertension and pathogenic cancer provide insight into future therapeutic PH opportunities.
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Affiliation(s)
| | | | - Margaret A. Schwarz
- Department of Pediatrics, Indiana University School of Medicine, 1234 Notre Dame Ave, South Bend, IN 46617, USA
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9
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Boucetta H, Zhang L, Sosnik A, He W. Pulmonary arterial hypertension nanotherapeutics: New pharmacological targets and drug delivery strategies. J Control Release 2024; 365:236-258. [PMID: 37972767 DOI: 10.1016/j.jconrel.2023.11.012] [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: 06/21/2023] [Revised: 10/25/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
Pulmonary arterial hypertension (PAH) is a rare, serious, and incurable disease characterized by high lung pressure. PAH-approved drugs based on conventional pathways are still not exhibiting favorable therapeutic outcomes. Drawbacks like short half-lives, toxicity, and teratogenicity hamper effectiveness, clinical conventionality, and long-term safety. Hence, approaches like repurposing drugs targeting various and new pharmacological cascades and/or loaded in non-toxic/efficient nanocarrier systems are being investigated lately. This review summarizes the status of conventional, repurposed, either in vitro, in vivo, and/or in clinical trials of PAH treatment. In-depth description, discussion, and classification of the new pharmacological targets and nanomedicine strategies with a description of all the nanocarriers that showed promising efficiency in delivering drugs are discussed. Ultimately, an illustration of the different nucleic acids tailored and nanoencapsulated within different types of nanocarriers to restore the pathways affected by this disease is presented.
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Affiliation(s)
- Hamza Boucetta
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Institute of Biomedical Health Technology and Engineering, Shenzhen Bay Laboratory, Shenzhen 518107, China
| | - Lei Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
| | - Alejandro Sosnik
- Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
| | - Wei He
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China.
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10
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Boss AL, Chamley LW, Brooks AES, James JL. Human placental vascular and perivascular cell heterogeneity differs between first trimester and term, and in pregnancies affected by foetal growth restriction. Mol Hum Reprod 2023; 29:gaad041. [PMID: 38059603 PMCID: PMC10746841 DOI: 10.1093/molehr/gaad041] [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: 05/25/2023] [Revised: 11/12/2023] [Indexed: 12/08/2023] Open
Abstract
Growth-restricted placentae have a reduced vascular network, impairing exchange of nutrients and oxygen. However, little is known about the differentiation events and cell types that underpin normal/abnormal placental vascular formation and function. Here, we used 23-colour flow cytometry to characterize placental vascular/perivascular populations between first trimester and term, and in foetal growth restriction (FGR). First-trimester endothelial cells had an immature phenotype (CD144+/lowCD36-CD146low), while term endothelial cells expressed mature endothelial markers (CD36+CD146+). At term, a distinct population of CD31low endothelial cells co-expressed mesenchymal markers (CD90, CD26), indicating a capacity for endothelial to mesenchymal transition (EndMT). In FGR, compared with normal pregnancies, endothelial cells constituted 3-fold fewer villous core cells (P < 0.05), contributing to an increased perivascular: endothelial cell ratio (2.6-fold, P < 0.05). This suggests that abnormal EndMT may play a role in FGR. First-trimester endothelial cells underwent EndMT in culture, losing endothelial (CD31, CD34, CD144) and gaining mesenchymal (CD90, CD26) marker expression. Together this highlights how differences in villous core cell heterogeneity and phenotype may contribute to FGR pathophysiology across gestation.
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Affiliation(s)
- Anna L Boss
- Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Lawrence W Chamley
- Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Anna E S Brooks
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Joanna L James
- Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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11
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Ye L, Wang B, Xu H, Zhang X. The Emerging Therapeutic Role of Prostaglandin E2 Signaling in Pulmonary Hypertension. Metabolites 2023; 13:1152. [PMID: 37999248 PMCID: PMC10672796 DOI: 10.3390/metabo13111152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/28/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
Mild-to-moderate pulmonary hypertension (PH) is a common complication of chronic obstructive pulmonary disease (COPD). It is characterized by narrowing and thickening of the pulmonary arteries, resulting in increased pulmonary vascular resistance (PVR) and ultimately leading to right ventricular dysfunction. Pulmonary vascular remodeling in COPD is the main reason for the increase of pulmonary artery pressure (PAP). The pathogenesis of PH in COPD is complex and multifactorial, involving chronic inflammation, hypoxia, and oxidative stress. To date, prostacyclin and its analogues are widely used to prevent PH progression in clinical. These drugs have potent anti-proliferative, anti-inflammatory, and stimulating endothelial regeneration properties, bringing therapeutic benefits to the slowing, stabilization, and even some reversal of vascular remodeling. As another well-known and extensively researched prostaglandins, prostaglandin E2 (PGE2) and its downstream signaling have been found to play an important role in various biological processes. Emerging evidence has revealed that PGE2 and its receptors (i.e., EP1-4) are involved in the regulation of pulmonary vascular homeostasis and remodeling. This review focuses on the research progress of the PGE2 signaling pathway in PH and discusses the possibility of treating PH based on the PGE2 signaling pathway.
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Affiliation(s)
- Lan Ye
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116041, China;
| | - Bing Wang
- Department of Endocrinology and Metabolism, The Central Hospital of Dalian University of Technology, Dalian 116000, China;
| | - Hu Xu
- Health Science Center, East China Normal University, Shanghai 200241, China
| | - Xiaoyan Zhang
- Health Science Center, East China Normal University, Shanghai 200241, China
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12
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Lu G, Du R, Liu Y, Zhang S, Li J, Pei J. RGS5 as a Biomarker of Pericytes, Involvement in Vascular Remodeling and Pulmonary Arterial Hypertension. Vasc Health Risk Manag 2023; 19:673-688. [PMID: 37881333 PMCID: PMC10596204 DOI: 10.2147/vhrm.s429535] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/12/2023] [Indexed: 10/27/2023] Open
Abstract
Introduction Pulmonary arterial hypertension (PAH) is a life-threatening disease characterized by a sustained rise in mean pulmonary artery pressure. Pulmonary vascular remodeling serves an important role in PAH. Identifying a key driver gene to regulate vascular remodeling of the pulmonary microvasculature is critical for PAH management. Methods Differentially expressed genes were identified using the Gene Expression Omnibus (GEO) GSE117261, GSE48149, GSE113439, GSE53408 and GSE16947 datasets. A co-expression network was constructed using weighted gene co-expression network analysis. Novel and key signatures of PAH were screened using four algorithms, including weighted gene co-expression network analysis, GEO2R analysis, support vector machines recursive feature elimination and robust rank aggregation rank analysis. Regulator of G-protein signaling 5 (RGS5), a pro-apoptotic/anti-proliferative protein, which regulate arterial tone and blood pressure in vascular smooth muscle cells. The expression of RGS5 was determined using reverse transcription-quantitative PCR (RT-qPCR) in PAH and normal mice. The location of RGS5 and pericytes was detected using immunofluorescence. Results Compared with that in the normal group, RGS5 expression was upregulated in the PAH group based on GEO and RT-qPCR analyses. RGS5 expression in single cells was enriched in pericytes in single-cell RNA sequencing analysis. RGS5 co-localization with pericytes was detected in the pulmonary microvasculature of PAH. Conclusion RGS5 regulates vascular remodeling of the pulmonary microvasculature and the occurrence of PAH through pericytes, which has provided novel ideas and strategies regarding the occurrence and innovative treatment of PAH.
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Affiliation(s)
- Guofang Lu
- Department of Physiology and Pathophysiology, National Key Discipline of Cell Biology, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
| | - Rui Du
- Institute for Biomedical Sciences of Pain, Tangdu Hospital, Fourth Military Medical University, Xi’an, 710038, People’s Republic of China
| | - Yali Liu
- Department of Physiology and Pathophysiology, National Key Discipline of Cell Biology, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
| | - Shumiao Zhang
- Department of Physiology and Pathophysiology, National Key Discipline of Cell Biology, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
| | - Juan Li
- Department of Physiology and Pathophysiology, National Key Discipline of Cell Biology, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
| | - Jianming Pei
- Department of Physiology and Pathophysiology, National Key Discipline of Cell Biology, Fourth Military Medical University, Xi’an, 710032, People’s Republic of China
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13
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Jones EAV. Mechanism of COVID-19-Induced Cardiac Damage from Patient, In Vitro and Animal Studies. Curr Heart Fail Rep 2023; 20:451-460. [PMID: 37526812 PMCID: PMC10589152 DOI: 10.1007/s11897-023-00618-w] [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] [Accepted: 07/07/2023] [Indexed: 08/02/2023]
Abstract
PURPOSE OF REVIEW Though patient studies have been important for understanding the disease, research done in animals and cell culture complement our knowledge from patient data and provide insight into the mechanism of the disease. Understanding how COVID causes damage to the heart is essential to understanding possible long-term consequences. RECENT FINDINGS COVID-19 is primarily a disease that attacks the lungs; however, it is known to have important consequences in many other tissues including the heart. Though myocarditis does occur in some patients, for most cases of cardiac damage, the injury arises from scarring either due to myocardial infarction or micro-infarction. The main focus is on how COVID affects blood flow through the coronaries. We review how endothelial activation leads to a hypercoagulative state in COVID-19. We also emphasize the effects that the cytokine storm can directly have on the regulation of coronary blood flow. Since the main two cell types that can be infected in the heart are pericytes and cardiomyocytes, we further describe the known effects on pericyte function and how that can further lead to microinfarcts within the heart. Though many of these effects are systemic, this review focuses on the consequences on cardiac tissue of this dysregulation and the role that it has in the formation of myocardial scarring.
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Affiliation(s)
- Elizabeth A V Jones
- Centre for Molecular and Vascular Biology, Herestraat 49, Bus 911, 3000, KU, Leuven, Belgium.
- Department of Cardiology, CARIM School for Cardiovascular Diseases, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, Netherlands.
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14
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Kotchetkov P, Blakeley N, Lacoste B. Involvement of brain metabolism in neurodevelopmental disorders. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 173:67-113. [PMID: 37993180 DOI: 10.1016/bs.irn.2023.08.004] [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: 11/24/2023]
Abstract
Neurodevelopmental disorders (NDDs) affect a significant portion of the global population and have a substantial social and economic impact worldwide. Most NDDs manifest in early childhood and are characterized by deficits in cognition, communication, social interaction and motor control. Due to a limited understanding of the etiology of NDDs, current treatment options primarily focus on symptom management rather than on curative solutions. Moreover, research on NDDs is problematic due to its reliance on a neurocentric approach. However, recent studies are broadening the scope of research on NDDs, to include dysregulations within a diverse network of brain cell types, including vascular and glial cells. This review aims to summarize studies from the past few decades on potential new contributions to the etiology of NDDs, with a special focus on metabolic signatures of various brain cells. In particular, we aim to convey how the metabolic functions are intimately linked to the onset and/or progression of common NDDs such as autism spectrum disorders, fragile X syndrome, Rett syndrome and Down syndrome.
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Affiliation(s)
- Pavel Kotchetkov
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Nicole Blakeley
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Baptiste Lacoste
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada; University of Ottawa Brain and Mind Research Institute, Ottawa, ON, Canada.
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15
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Wu Y, Fu J, Huang Y, Duan R, Zhang W, Wang C, Wang S, Hu X, Zhao H, Wang L, Liu J, Gao G, Yuan P. Biology and function of pericytes in the vascular microcirculation. Animal Model Exp Med 2023; 6:337-345. [PMID: 37317664 PMCID: PMC10486323 DOI: 10.1002/ame2.12334] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/16/2023] [Indexed: 06/16/2023] Open
Abstract
Pericytes are the main cellular components of tiny arteries and capillaries. Studies have found that pericytes can undergo morphological contraction or relaxation under stimulation by cytokines, thus affecting the contraction and relaxation of microvessels and playing an essential role in regulating vascular microcirculation. Moreover, due to the characteristics of stem cells, pericytes can differentiate into a variety of inflammatory cell phenotypes, which then affect the immune function. Additionally, pericytes can also participate in angiogenesis and wound healing by interacting with endothelial cells in vascular microcirculation disorders. Here we review the origin, biological phenotype and function of pericytes, and discuss the potential mechanisms of pericytes in vascular microcirculation disorders, especially in pulmonary hypertension, so as to provide a sound basis and direction for the prevention and treatment of vascular microcirculation diseases.
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Affiliation(s)
- Yue Wu
- Ningbo University School of MedicineNingboChina
- Department of Clinical Laboratory, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Jiaqi Fu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Health Science and EngineeringUniversity of Shanghai Science and TechnologyShanghaiChina
| | - Yuxia Huang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Ruowang Duan
- Department of Anesthesiology, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Wentian Zhang
- Department of Thoracic Surgery, Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina
| | - Caihong Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Bismuth ScienceUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Shang Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Xiaoyi Hu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Hui Zhao
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Bismuth ScienceUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Lan Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Jinming Liu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Guosheng Gao
- Ningbo Huamei HospitalUniversity of Chinese Academy of SciencesNingboChina
| | - Ping Yuan
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
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16
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Zhang W, Xiao D, Mao Q, Xia H. Role of neuroinflammation in neurodegeneration development. Signal Transduct Target Ther 2023; 8:267. [PMID: 37433768 PMCID: PMC10336149 DOI: 10.1038/s41392-023-01486-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 82.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 03/22/2023] [Accepted: 05/07/2023] [Indexed: 07/13/2023] Open
Abstract
Studies in neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease and Amyotrophic lateral sclerosis, Huntington's disease, and so on, have suggested that inflammation is not only a result of neurodegeneration but also a crucial player in this process. Protein aggregates which are very common pathological phenomenon in neurodegeneration can induce neuroinflammation which further aggravates protein aggregation and neurodegeneration. Actually, inflammation even happens earlier than protein aggregation. Neuroinflammation induced by genetic variations in CNS cells or by peripheral immune cells may induce protein deposition in some susceptible population. Numerous signaling pathways and a range of CNS cells have been suggested to be involved in the pathogenesis of neurodegeneration, although they are still far from being completely understood. Due to the limited success of traditional treatment methods, blocking or enhancing inflammatory signaling pathways involved in neurodegeneration are considered to be promising strategies for the therapy of neurodegenerative diseases, and many of them have got exciting results in animal models or clinical trials. Some of them, although very few, have been approved by FDA for clinical usage. Here we comprehensively review the factors affecting neuroinflammation and the major inflammatory signaling pathways involved in the pathogenicity of neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, and Amyotrophic lateral sclerosis. We also summarize the current strategies, both in animal models and in the clinic, for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Weifeng Zhang
- Laboratory of Gene Therapy, Department of Biochemistry, College of Life Sciences, Shaanxi Normal University, 199 South Chang'an Road, Xi'an, 710062, P.R. China
| | - Dan Xiao
- The State Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Air Force Medical University, No. 169 Changle West Road, Xi'an, 710032, P.R. China
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, No. 169 Changle West Road, Xi'an, 710032, China
| | - Qinwen Mao
- Department of Pathology, University of Utah, Huntsman Cancer Institute, 2000 Circle of Hope Drive, Salt Lake City, UT, 84112, USA
| | - Haibin Xia
- Laboratory of Gene Therapy, Department of Biochemistry, College of Life Sciences, Shaanxi Normal University, 199 South Chang'an Road, Xi'an, 710062, P.R. China.
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17
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Xu WJ, Wu Q, He WN, Wang S, Zhao YL, Huang JX, Yan XS, Jiang R. Interleukin-6 and pulmonary hypertension: from physiopathology to therapy. Front Immunol 2023; 14:1181987. [PMID: 37449201 PMCID: PMC10337993 DOI: 10.3389/fimmu.2023.1181987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
Abstract
Pulmonary hypertension (PH) is a progressive, pulmonary vascular disease with high morbidity and mortality. Unfortunately, the pathogenesis of PH is complex and remains unclear. Existing studies have suggested that inflammatory factors are key factors in PH. Interleukin-6 (IL-6) is a multifunctional cytokine that plays a crucial role in the regulation of the immune system. Current studies reveal that IL-6 is elevated in the serum of patients with PH and it is negatively correlated with lung function in those patients. Since IL-6 is one of the most important mediators in the pathogenesis of inflammation in PH, signaling mechanisms targeting IL-6 may become therapeutic targets for this disease. In this review, we detailed the potential role of IL-6 in accelerating PH process and the specific mechanisms and signaling pathways. We also summarized the current drugs targeting these inflammatory pathways to treat PH. We hope that this study will provide a more theoretical basis for targeted treatment in patients with PH in the future.
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Affiliation(s)
- Wei-Jie Xu
- Department of Clinical Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qiong Wu
- Department of Pulmonary and Critical Care Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wen-Ni He
- Department of Cardiopulmonary Circulation, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shang Wang
- Department of Cardiopulmonary Circulation, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ya-Lin Zhao
- Department of Respiratory Critical Care Medicine, The First Hospital of Kunming, Kunming, China
| | - Jun-Xia Huang
- Department of Hematology, Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xue-Shen Yan
- Department of Hematology, Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Rong Jiang
- Department of Cardiopulmonary Circulation, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China
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18
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Guignabert C, Savale L, Boucly A, Thuillet R, Tu L, Ottaviani M, Rhodes CJ, De Groote P, Prévot G, Bergot E, Bourdin A, Howard LS, Fadel E, Beurnier A, Roche A, Jevnikar M, Jaïs X, Montani D, Wilkins MR, Sitbon O, Humbert M. Serum and Pulmonary Expression Profiles of the Activin Signaling System in Pulmonary Arterial Hypertension. Circulation 2023; 147:1809-1822. [PMID: 37096577 DOI: 10.1161/circulationaha.122.061501] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 04/04/2023] [Indexed: 04/26/2023]
Abstract
BACKGROUND Activins are novel therapeutic targets in pulmonary arterial hypertension (PAH). We therefore studied whether key members of the activin pathway could be used as PAH biomarkers. METHODS Serum levels of activin A, activin B, α-subunit of inhibin A and B proteins, and the antagonists follistatin and follistatin-like 3 (FSTL3) were measured in controls and in patients with newly diagnosed idiopathic, heritable, or anorexigen-associated PAH (n=80) at baseline and 3 to 4 months after treatment initiation. The primary outcome was death or lung transplantation. Expression patterns of the inhibin subunits, follistatin, FSTL3, Bambi, Cripto, and the activin receptors type I (ALK), type II (ACTRII), and betaglycan were analyzed in PAH and control lung tissues. RESULTS Death or lung transplantation occurred in 26 of 80 patients (32.5%) over a median follow-up of 69 (interquartile range, 50-81) months. Both baseline (hazard ratio, 1.001 [95% CI, 1.000-1.001]; P=0.037 and 1.263 [95% CI, 1.049-1.520]; P=0.014, respectively) and follow-up (hazard ratio, 1.003 [95% CI, 1.001-1.005]; P=0.001 and 1.365 [95% CI, 1.185-1.573]; P<0.001, respectively) serum levels of activin A and FSTL3 were associated with transplant-free survival in a model adjusted for age and sex. Thresholds determined by receiver operating characteristic analyses were 393 pg/mL for activin A and 16.6 ng/mL for FSTL3. When adjusted with New York Heart Association functional class, 6-minute walk distance, and N-terminal pro-B-type natriuretic peptide, the hazard ratios for transplant-free survival for baseline activin A <393 pg/mL and FSTL3 <16.6 ng/mL were, respectively, 0.14 (95% CI, 0.03-0.61; P=0.009) and 0.17 (95% CI, 0.06-0.45; P<0.001), and for follow-up measures, 0.23 (95% CI, 0.07-0.78; P=0.019) and 0.27 (95% CI, 0.09-0.78, P=0.015), respectively. Prognostic values of activin A and FSTL3 were confirmed in an independent external validation cohort. Histological analyses showed a nuclear accumulation of the phosphorylated form of Smad2/3, higher immunoreactivities for ACTRIIB, ALK2, ALK4, ALK5, ALK7, Cripto, and FSTL3 in vascular endothelial and smooth muscle layers, and lower immunostaining for inhibin-α and follistatin. CONCLUSIONS These findings offer new insights into the activin signaling system in PAH and show that activin A and FSTL3 are prognostic biomarkers for PAH.
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Affiliation(s)
- Christophe Guignabert
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Laurent Savale
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Athénaïs Boucly
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Raphaël Thuillet
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Ly Tu
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Mina Ottaviani
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Christopher J Rhodes
- National Heart and Lung Institute, Imperial College London, United Kingdom (C.J.R., M.R.W.)
| | - Pascal De Groote
- Université de Lille, Service de cardiologie, CHU Lille, Institut Pasteur de Lille, Inserm U1167, France (P.D.G.)
| | - Grégoire Prévot
- CHU de Toulouse, Hôpital Larrey, Service de pneumologie, France (G.P.)
| | - Emmanuel Bergot
- Unicaen, UFR santé, Service de Pneumologie & Oncologie Thoracique, CHU de Caen, France (E.B.)
| | - Arnaud Bourdin
- Université Montpellier, CHU Montpellier, Department of Respiratory Diseases, France (A. Bourdin)
| | - Luke S Howard
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom (L.S.H.)
| | - Elie Fadel
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Department of Thoracic and Vascular Surgery and Heart-Lung Transplantation, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint-Joseph, Paris-Saclay University, France (E.F.)
| | - Antoine Beurnier
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Anne Roche
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Mitja Jevnikar
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Xavier Jaïs
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - David Montani
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Martin R Wilkins
- National Heart and Lung Institute, Imperial College London, United Kingdom (C.J.R., M.R.W.)
| | - Olivier Sitbon
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
| | - Marc Humbert
- INSERM UMR_S 999 "Pulmonary Hypertension: Pathophysiology and Novel Therapies," Hôpital Marie Lannelongue, Le Plessis-Robinson, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Université Paris-Saclay, Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Le Kremlin-Bicêtre, France (C.G., L.S., A. Boucly, R.T., L.T., M.O., E.F., A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre, Le Kremlin-Bicêtre, France (L.S., A. Boucly, A. Beurnier, A.R., M.J., X.J., D.M., O.S., M.H.)
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19
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Parwani D, Ahmed MA, Mahawar A, Gorantla VR. Peripheral Arterial Disease: A Narrative Review. Cureus 2023; 15:e40267. [PMID: 37448414 PMCID: PMC10336185 DOI: 10.7759/cureus.40267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2023] [Indexed: 07/15/2023] Open
Abstract
Peripheral arterial disease (PAD) describes the partial or complete occlusion of blood flow in the distal arteries of the body. A decreased arterial patency may occur due to a reduction in the elasticity or diameter of the vessel. The goal of interventions is to decrease incidence and reduce complications by identifying and minimizing the primary causes. This paper discusses PAD affecting the aortoiliac, common femoral, and femoropopliteal arteries. In a significant portion of the population, PAD may lack usual symptoms such as limb pain, claudication, and diminished pulses. Imaging techniques become crucial to ensuring timely diagnosis, monitoring treatment effectiveness, and preventing recurrence. Duplex ultrasound (DUS) is a cheap and non-invasive preliminary technique to detect atherosclerotic plaques and grade arterial stenosis. Magnetic resonance angiography (MRA) provides the added advantage of minimizing artifacts. Digital subtraction angiography (DSA) remains the gold standard for grading the degree of stenosis but is only employed second-line to DUS or MRA due to the high dose of nephrotoxic contrast. Computed tomography angiography (CTA) is able to overcome the anatomical limitations of DUS and MRA and proves to be a suitable alternative to DSA in patients with renal disease. Preventative measures involve monitoring blood pressure, cholesterol levels, and tobacco usage. First-line treatment options include endovascular procedures as well as surgical interventions in cases of significant arterial involvement. Endovascular treatments involve the use of balloon angioplasty, drug-coated balloons, and drug-coated stents, to name a few, that serve as minimally invasive techniques to manage PAD. Surgical procedures, although more complex, are considered gold-standard treatment options for long and intricate lesions. Endovascular methods are generally preferred over surgical options as the complication risk is severely reduced and the rates of reintervention are comparable to surgical options.
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Affiliation(s)
- Divya Parwani
- Anatomical Sciences, St. George's University School of Medicine, St.George's, GRD
| | - Mohamed A Ahmed
- Anatomical Sciences, St. George's University School of Medicine, St. George's, GRD
| | - Anmol Mahawar
- Anatomical Sciences, St. George's University School of Medicine, St.George's, GRD
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20
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Goodwin AT, John AE, Joseph C, Habgood A, Tatler AL, Susztak K, Palmer M, Offermanns S, Henderson NC, Jenkins RG. Stretch regulates alveologenesis and homeostasis via mesenchymal Gαq/11-mediated TGFβ2 activation. Development 2023; 150:dev201046. [PMID: 37102682 PMCID: PMC10259661 DOI: 10.1242/dev.201046] [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: 07/04/2022] [Accepted: 04/05/2023] [Indexed: 04/28/2023]
Abstract
Alveolar development and repair require tight spatiotemporal regulation of numerous signalling pathways that are influenced by chemical and mechanical stimuli. Mesenchymal cells play key roles in numerous developmental processes. Transforming growth factor-β (TGFβ) is essential for alveologenesis and lung repair, and the G protein α subunits Gαq and Gα11 (Gαq/11) transmit mechanical and chemical signals to activate TGFβ in epithelial cells. To understand the role of mesenchymal Gαq/11 in lung development, we generated constitutive (Pdgfrb-Cre+/-;Gnaqfl/fl;Gna11-/-) and inducible (Pdgfrb-Cre/ERT2+/-;Gnaqfl/fl;Gna11-/-) mesenchymal Gαq/11 deleted mice. Mice with constitutive Gαq/11 gene deletion exhibited abnormal alveolar development, with suppressed myofibroblast differentiation, altered mesenchymal cell synthetic function, and reduced lung TGFβ2 deposition, as well as kidney abnormalities. Tamoxifen-induced mesenchymal Gαq/11 gene deletion in adult mice resulted in emphysema associated with reduced TGFβ2 and elastin deposition. Cyclical mechanical stretch-induced TGFβ activation required Gαq/11 signalling and serine protease activity, but was independent of integrins, suggesting an isoform-specific role for TGFβ2 in this model. These data highlight a previously undescribed mechanism of cyclical stretch-induced Gαq/11-dependent TGFβ2 signalling in mesenchymal cells, which is imperative for normal alveologenesis and maintenance of lung homeostasis.
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Affiliation(s)
- Amanda T. Goodwin
- Centre for Respiratory Research, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Nottingham NIHR Biomedical Research Centre, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Biodiscovery Institute, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Alison E. John
- Margaret Turner Warwick Centre for Fibrosing Lung Disease, National Heart and Lung Institute, Imperial College London, London, SW3 6LY, UK
| | - Chitra Joseph
- Centre for Respiratory Research, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Nottingham NIHR Biomedical Research Centre, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Biodiscovery Institute, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Anthony Habgood
- Centre for Respiratory Research, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Nottingham NIHR Biomedical Research Centre, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Biodiscovery Institute, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Amanda L. Tatler
- Centre for Respiratory Research, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Nottingham NIHR Biomedical Research Centre, Nottingham, NG7 2RD, UK
- Respiratory Medicine, Biodiscovery Institute, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Katalin Susztak
- Department of Medicine, Division of Nephrology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Matthew Palmer
- Department of Pathology, Division of Nephrology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104-4238, USA
| | - Stefan Offermanns
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Neil C. Henderson
- Centre for Inflammation Research, University of Edinburgh, EH16 4TJ, UK
- MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - R. Gisli Jenkins
- Margaret Turner Warwick Centre for Fibrosing Lung Disease, National Heart and Lung Institute, Imperial College London, London, SW3 6LY, UK
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21
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Gallardo-Vara E, Ntokou A, Dave JM, Jovin DG, Saddouk FZ, Greif DM. Vascular pathobiology of pulmonary hypertension. J Heart Lung Transplant 2023; 42:544-552. [PMID: 36604291 PMCID: PMC10121751 DOI: 10.1016/j.healun.2022.12.012] [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: 04/20/2022] [Revised: 10/31/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022] Open
Abstract
Pulmonary hypertension (PH), increased blood pressure in the pulmonary arteries, is a morbid and lethal disease. PH is classified into several groups based on etiology, but pathological remodeling of the pulmonary vasculature is a common feature. Endothelial cell dysfunction and excess smooth muscle cell proliferation and migration are central to the vascular pathogenesis. In addition, other cell types, including fibroblasts, pericytes, inflammatory cells and platelets contribute as well. Herein, we briefly note most of the main cell types active in PH and for each cell type, highlight select signaling pathway(s) highly implicated in that cell type in this disease. Among others, the role of hypoxia-inducible factors, growth factors (e.g., vascular endothelial growth factor, platelet-derived growth factor, transforming growth factor-β and bone morphogenetic protein), vasoactive molecules, NOTCH3, Kruppel-like factor 4 and forkhead box proteins are discussed. Additionally, deregulated processes of endothelial-to-mesenchymal transition, extracellular matrix remodeling and intercellular crosstalk are noted. This brief review touches upon select critical facets of PH pathobiology and aims to incite further investigation that will result in discoveries with much-needed clinical impact for this devastating disease.
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Affiliation(s)
- Eunate Gallardo-Vara
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut
| | - Aglaia Ntokou
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut
| | - Jui M Dave
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut
| | - Daniel G Jovin
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut
| | - Fatima Z Saddouk
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut
| | - Daniel M Greif
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut; Department of Genetics, Yale University, New Haven, Connecticut.
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22
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Garrison AT, Bignold RE, Wu X, Johnson JR. Pericytes: The lung-forgotten cell type. Front Physiol 2023; 14:1150028. [PMID: 37035669 PMCID: PMC10076600 DOI: 10.3389/fphys.2023.1150028] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 03/10/2023] [Indexed: 04/11/2023] Open
Abstract
Pericytes are a heterogeneous population of mesenchymal cells located on the abluminal surface of microvessels, where they provide structural and biochemical support. Pericytes have been implicated in numerous lung diseases including pulmonary arterial hypertension (PAH) and allergic asthma due to their ability to differentiate into scar-forming myofibroblasts, leading to collagen deposition and matrix remodelling and thus driving tissue fibrosis. Pericyte-extracellular matrix interactions as well as other biochemical cues play crucial roles in these processes. In this review, we give an overview of lung pericytes, the key pro-fibrotic mediators they interact with, and detail recent advances in preclinical studies on how pericytes are disrupted and contribute to lung diseases including PAH, allergic asthma, and chronic obstructive pulmonary disease (COPD). Several recent studies using mouse models of PAH have demonstrated that pericytes contribute to these pathological events; efforts are currently underway to mitigate pericyte dysfunction in PAH by targeting the TGF-β, CXCR7, and CXCR4 signalling pathways. In allergic asthma, the dissociation of pericytes from the endothelium of blood vessels and their migration towards inflamed areas of the airway contribute to the characteristic airway remodelling observed in allergic asthma. Although several factors have been suggested to influence this migration such as TGF-β, IL-4, IL-13, and periostin, recent evidence points to the CXCL12/CXCR4 pathway as a potential therapeutic target. Pericytes might also play an essential role in lung dysfunction in response to ageing, as they are responsive to environmental risk factors such as cigarette smoke and air pollutants, which are the main drivers of COPD. However, there is currently no direct evidence delineating the contribution of pericytes to COPD pathology. Although there is a lack of human clinical data, the recent available evidence derived from in vitro and animal-based models shows that pericytes play important roles in the initiation and maintenance of chronic lung diseases and are amenable to pharmacological interventions. Therefore, further studies in this field are required to elucidate if targeting pericytes can treat lung diseases.
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Affiliation(s)
- Annelise T. Garrison
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
| | - Rebecca E. Bignold
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
| | - Xinhui Wu
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
- Department of Molecular Pharmacology, Faculty of Science and Engineering, University of Groningen, Groningen, Netherlands
- Groningen Research Institute for Asthma and COPD, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Jill R. Johnson
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
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23
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Crnkovic S, Rittchen S, Jandl K, Gindlhuber J, Zabini D, Mutgan AC, Valzano F, Boehm PM, Hoetzenecker K, Toller W, Veith C, Heinemann A, Schermuly RT, Olschewski A, Marsh LM, Kwapiszewska G. Divergent Roles of Ephrin-B2/EphB4 Guidance System in Pulmonary Hypertension. Hypertension 2023; 80:e17-e28. [PMID: 36519465 DOI: 10.1161/hypertensionaha.122.19479] [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: 12/23/2022]
Abstract
BACKGROUND Smooth muscle cell (SMC) expansion is one key morphological hallmark of pathologically altered vasculature and a characteristic feature of pulmonary vascular remodeling in pulmonary hypertension. Normal embryonal vessel maturation requires successful coverage of endothelial tubes with SMC, which is dependent on ephrin-B2 and EphB4 ligand-receptor guidance system. In this study, we investigated the potential role of ephrin-B2 and EphB4 on neomuscularization in adult pulmonary vascular disease. METHODS AND RESULTS Ephrin-B2 and EphB4 expression is preserved in smooth muscle and endothelial cells of remodeled pulmonary arteries. Chronic hypoxia-induced pulmonary hypertension was not ameliorated in mice with SMC-specific conditional ephrin-B2 knockout. In mice with global inducible ephrin-B2 knockout, pulmonary vascular remodeling and right ventricular hypertrophy upon chronic hypoxia exposure were significantly diminished compared to hypoxic controls, while right ventricular systolic pressure was unaffected. In contrast, EphB4 receptor kinase activity inhibition reduced right ventricular systolic pressure in hypoxia-induced pulmonary hypertension without affecting pulmonary vascular remodeling. Genetic deletion of ephrin-B2 in murine pulmonary artery SMC, and pharmacological inhibition of EphB4 in human pulmonary artery smooth muscle cells, blunted mitogen-induced cell proliferation. Loss of EphB4 signaling additionally reduced RhoA expression and weakened the interaction between human pulmonary artery smooth muscle cells and endothelial cells in a three-dimensional coculture model. CONCLUSIONS In sum, pulmonary vascular remodeling was dependent on ephrin-B2-induced Eph receptor (erythropoietin-producing hepatocellular carcinoma receptor) forward signaling in SMC, while EphB4 receptor activity was necessary for RhoA expression in SMC, interaction with endothelial cells and vasoconstrictive components of pulmonary hypertension.
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Affiliation(s)
- Slaven Crnkovic
- Otto Loewi Research Center, Division of Physiology, Medical University of Graz, Austria (S.C., D.Z., A.C.M., L.M.M., G.K.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Sonja Rittchen
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Austria (S.R., K.J., A.H.).,Otto Loewi Research Center, Division of Immunology, Medical University of Graz, Austria (S.R.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Katharina Jandl
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Austria (S.R., K.J., A.H.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Juergen Gindlhuber
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.).,Department of Pathology, Medical University of Graz, Austria (J.G.)
| | - Diana Zabini
- Otto Loewi Research Center, Division of Physiology, Medical University of Graz, Austria (S.C., D.Z., A.C.M., L.M.M., G.K.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Ayse Ceren Mutgan
- Otto Loewi Research Center, Division of Physiology, Medical University of Graz, Austria (S.C., D.Z., A.C.M., L.M.M., G.K.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Francesco Valzano
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Panja M Boehm
- Department of Thoracic Surgery, Medical University of Vienna, Austria (P.M.B., K.H.)
| | - Konrad Hoetzenecker
- Department of Thoracic Surgery, Medical University of Vienna, Austria (P.M.B., K.H.)
| | - Wolfgang Toller
- Department of Anesthesiology and Intensive Care Medicine, Medical University of Graz, Austria (W.T., A.O.)
| | - Christine Veith
- Excellence Cluster Cardio-Pulmonary Institute (CPI), University of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Germany (C.V.).,Faculty of Medicine, Justus Liebig University Giessen, Member of the German Lung Center (DZL), Germany (C.V., R.T.S.)
| | - Akos Heinemann
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Austria (S.R., K.J., A.H.)
| | - Ralph T Schermuly
- Faculty of Medicine, Justus Liebig University Giessen, Member of the German Lung Center (DZL), Germany (C.V., R.T.S.)
| | - Andrea Olschewski
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.).,Department of Anesthesiology and Intensive Care Medicine, Medical University of Graz, Austria (W.T., A.O.)
| | - Leigh M Marsh
- Otto Loewi Research Center, Division of Physiology, Medical University of Graz, Austria (S.C., D.Z., A.C.M., L.M.M., G.K.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.)
| | - Grazyna Kwapiszewska
- Otto Loewi Research Center, Division of Physiology, Medical University of Graz, Austria (S.C., D.Z., A.C.M., L.M.M., G.K.).,Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (S.C., S.R., K.J., J.G., D.Z., A.C.M., F.V., A.O., L.M.M., G.K.).,Institute for Lung Health, Member of the German Lung Center (DZL), Giessen, Germany (G.K.)
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24
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Impact of Rapid Weight Loss after Bariatric Surgery in Systemic Inflammatory Response and Pulmonary Hemodynamics in Severely Obese Subjects with Pulmonary Hypertension. J Am Coll Surg 2023; 236:365-372. [PMID: 36648265 DOI: 10.1097/xcs.0000000000000475] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND Pulmonary hypertension (PH) can be associated with obesity. The excessive production of proinflammatory mediators by dysfunctional adipocytes may enhance remodeling of the pulmonary vasculature and worsen pulmonary hemodynamics. This study aimed to describe the changes in pulmonary arterial pressures and systemic inflammation in patients with obesity with PH after bariatric surgery (BaS). STUDY DESIGN In this retrospective cohort study, we compared patients with PH who underwent BaS from 2008 to 2018 at our institution (group 1) to a group of severely obese patients with PH (group 2). Echocardiographic right ventricular systolic pressure (RVSP) was used as an indirect measurement of pulmonary arterial pressures. Red blood cell distribution width (RDW) was used as a marker of systemic inflammation. RESULTS A total of 40 patients were included, 20 per group. In group 1, the RVSP decreased from 44.69 ± 7.12 mmHg to 38.73 ± 12.81 mmHg (p = 0.041), and the RDW decreased from 15.22 ± 1.53 to 14.41 ± 1.31 (p = 0.020). In group 2, the RVSP decreased from 60.14 ± 18.08 to 59.15 ± 19.10 (0.828), and the RDW increased from 15.37 ± 1.99 to 15.38 ± 1.26 (0.983). For both groups, we found a positive correlation between RVSP and RDW changes, although the correlation was not statistically significant. CONCLUSIONS Previous studies suggest BaS could be a safe and effective procedure to achieve weight loss in obese patients with PH, with an additional modest improvement in pulmonary hemodynamics. The results of this study reinforce this observation and suggest that such improvement could be related to a decrease in systemic inflammation. Further prospective studies with bigger samples are needed to better understand these findings.
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25
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Körbelin J, Klein J, Matuszcak C, Runge J, Harbaum L, Klose H, Hennigs JK. Transcription factors in the pathogenesis of pulmonary arterial hypertension-Current knowledge and therapeutic potential. Front Cardiovasc Med 2023; 9:1036096. [PMID: 36684555 PMCID: PMC9853303 DOI: 10.3389/fcvm.2022.1036096] [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: 09/03/2022] [Accepted: 11/21/2022] [Indexed: 01/09/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a disease characterized by elevated pulmonary vascular resistance and pulmonary artery pressure. Mortality remains high in severe cases despite significant advances in management and pharmacotherapy. Since currently approved PAH therapies are unable to significantly reverse pathological vessel remodeling, novel disease-modifying, targeted therapeutics are needed. Pathogenetically, PAH is characterized by vessel wall cell dysfunction with consecutive remodeling of the pulmonary vasculature and the right heart. Transcription factors (TFs) regulate the process of transcribing DNA into RNA and, in the pulmonary circulation, control the response of pulmonary vascular cells to macro- and microenvironmental stimuli. Often, TFs form complex protein interaction networks with other TFs or co-factors to allow for fine-tuning of gene expression. Therefore, identification of the underlying molecular mechanisms of TF (dys-)function is essential to develop tailored modulation strategies in PAH. This current review provides a compendium-style overview of TFs and TF complexes associated with PAH pathogenesis and highlights their potential as targets for vasculoregenerative or reverse remodeling therapies.
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Affiliation(s)
- Jakob Körbelin
- ENDomics Lab, Department of Medicine, Center of Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,*Correspondence: Jakob Körbelin,
| | - Julius Klein
- ENDomics Lab, Department of Medicine, Center of Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christiane Matuszcak
- ENDomics Lab, Department of Medicine, Center of Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Johannes Runge
- ENDomics Lab, Department of Medicine, Center of Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lars Harbaum
- Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hans Klose
- Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jan K. Hennigs
- ENDomics Lab, Department of Medicine, Center of Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,Division of Pneumology and Center for Pulmonary Arterial Hypertension Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,Jan K. Hennigs,
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Wang B, Gan L, Deng Y, Zhu S, Li G, Nasser MI, Liu N, Zhu P. Cardiovascular Disease and Exercise: From Molecular Mechanisms to Clinical Applications. J Clin Med 2022; 11:jcm11247511. [PMID: 36556132 PMCID: PMC9785879 DOI: 10.3390/jcm11247511] [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: 11/05/2022] [Revised: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/23/2022] Open
Abstract
Inactivity is a significant risk factor for cardiovascular disease. Exercise may greatly enhance the metabolism and function of the cardiovascular system, lower several risk factors, and prevent the development and treatment of cardiovascular disease while delivering easy, physical, and emotional enjoyment. Exercise regulates the cardiovascular system by reducing oxidative stress and chronic inflammation, regulating cardiovascular insulin sensitivity and the body's metabolism, promoting stem cell mobilization, strengthening autophagy and myocardial mitochondrial function, and enhancing cardiovascular damage resistance, among other effects. Appropriate exercise intervention has become an essential adjuvant therapy in clinical practice for treating and rehabilitating various cardiovascular diseases. However, the prescription of exercise for preventing and treating cardiovascular diseases, particularly the precise selection of individual exercise techniques and their volume, remains controversial. Using multiomics to explain further the molecular process underlying the positive effects of exercise on cardiovascular health will not only improve our understanding of the effects of exercise on health but also establish a scientific basis and supply new ideas for preventing and treating cardiovascular diseases by activating the endogenous protective mechanisms of the body and suggesting more specific exercise prescriptions for cardiovascular rehabilitation.
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Affiliation(s)
- Bo Wang
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
| | - Lin Gan
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
| | - Yuzhi Deng
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
| | - Shuoji Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
| | - Ge Li
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
| | - Moussa Ide Nasser
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
- Correspondence: (M.I.N.); (N.L.); (P.Z.)
| | - Nanbo Liu
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
- Correspondence: (M.I.N.); (N.L.); (P.Z.)
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; (B.W.); (L.G.); (Y.D.); (S.Z.); (G.L.)
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou 510640, China
- Correspondence: (M.I.N.); (N.L.); (P.Z.)
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27
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Scotter EL, Cao MC, Jansson D, Rustenhoven J, Smyth LCD, Aalderink MC, Siemens A, Fan V, Wu J, Mee EW, Faull RLM, Dragunow M. The amyotrophic lateral sclerosis-linked protein TDP-43 regulates interleukin-6 cytokine production by human brain pericytes. Mol Cell Neurosci 2022; 123:103768. [PMID: 36038081 DOI: 10.1016/j.mcn.2022.103768] [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: 04/13/2021] [Revised: 08/02/2022] [Accepted: 08/12/2022] [Indexed: 12/30/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal movement disorder involving degeneration of motor neurons through dysfunction of the RNA-binding protein TDP-43. Pericytes, the perivascular cells of the blood-brain, blood-spinal cord, and blood-CSF barriers also degenerate in ALS. Indeed, pericytes are among the earliest cell types to show gene expression changes in pre-symptomatic animal models of ALS. This suggests that pericyte degeneration precedes neurodegeneration and may involve pericyte cell-autonomous TDP-43 dysfunction. Here we determined the effect of TDP-43 dysfunction in human brain pericytes on interleukin 6 (IL-6), a critical secreted inflammatory mediator reported to be regulated by TDP 43. Primary human brain pericytes were cultured from biopsy tissue from epilepsy surgeries and TDP-43 was silenced using siRNA. TDP-43 silencing of pericytes stimulated with pro-inflammatory cytokines, interleukin-1β or tumour necrosis factor alpha, robustly suppressed the induction of IL-6 transcript and protein. IL-6 regulation by TDP-43 did not involve the assembly of TDP-43 nuclear splicing bodies, and did not occur via altered splicing of IL6. Instead, transcriptome-wide analysis by RNA-Sequencing identified a poison exon in the IL6 destabilising factor HNRNPD (AUF1) as a splicing target of TDP-43. Our data support a model whereby TDP-43 silencing favours destabilisation of IL6 mRNA, via enhanced AU-rich element-mediated decay by HNRNP/AUF1. This suggests that cell-autonomous deficits in TDP-43 function in human brain pericytes would suppress their production of IL-6. Given the importance of the blood-brain and blood-spinal cord barriers in maintaining motor neuron health, TDP-43 in human brain pericytes may represent a cellular target for ALS therapeutics.
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Affiliation(s)
- Emma L Scotter
- Centre for Brain Research, University of Auckland, New Zealand; School of Biological Sciences, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Maize C Cao
- Centre for Brain Research, University of Auckland, New Zealand; School of Biological Sciences, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Deidre Jansson
- Centre for Brain Research, University of Auckland, New Zealand; School of Biological Sciences, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Justin Rustenhoven
- Centre for Brain Research, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Leon C D Smyth
- Centre for Brain Research, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Miranda C Aalderink
- Centre for Brain Research, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Andrew Siemens
- Centre for Brain Research, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
| | - Vicky Fan
- Bioinformatics Institute, University of Auckland, Auckland, New Zealand.
| | - Jane Wu
- Centre for Brain Research, University of Auckland, New Zealand; Department of Anatomy and Medical Imaging, University of Auckland, New Zealand.
| | - Edward W Mee
- Department of Neurosurgery, Auckland City Hospital, Auckland, New Zealand.
| | - Richard L M Faull
- Centre for Brain Research, University of Auckland, New Zealand; Department of Anatomy and Medical Imaging, University of Auckland, New Zealand.
| | - Mike Dragunow
- Centre for Brain Research, University of Auckland, New Zealand; Department of Pharmacology and Clinical Pharmacology, University of Auckland, New Zealand.
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28
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Munugula C, Hu J, Christodoulou E, Yellapantula V. Microenvironmental changes co-occur with mosaic somatic clonal expansions in normal skin and esophagus tissues. Front Oncol 2022; 12:1021940. [DOI: 10.3389/fonc.2022.1021940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 11/15/2022] [Indexed: 12/03/2022] Open
Abstract
The presence of somatic mutations, previously identified in cancers, are being increasingly recognized in normal tissues. While the role of microenvironment (ME) in tumor progression is well understood, the changes that occur in the microenvironment of normal tissues that harbor somatic mutations has not been systematically studied. Here, using normal RNA-Seq data accrued from 6544 samples across 27 tissue types from Genotype-Tissue Expression (GTEx) project, we studied the association of microenvironmental changes in the presence of somatic clonal expansions of previously implicated cancer genes. We focused our analysis on skin and esophagus since they have the highest number of samples and mutation burden together. We observed changes in microenvironmental cell-types previously implicated in tumor progression including endothelial cells, epithelial cells, pericytes, fibroblasts, chondrocytes, among others. The Epithelial-Mesenchymal-Transition (EMT) pathway is dysregulated in both skin and esophagus, along with increased hypoxia scores in samples with clonal expansions. These results suggest that microenvironmental changes play an important role in clonal expansions and potentially the initiating stages of cancer progression. Studying these changes may provide new avenues for early intervention of cancer, for targeted therapies, or enhance activities of conventional therapies.
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29
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Sobecki M, Chen J, Krzywinska E, Nagarajan S, Fan Z, Nelius E, Monné Rodriguez JM, Seehusen F, Hussein A, Moschini G, Hajam EY, Kiran R, Gotthardt D, Debbache J, Badoual C, Sato T, Isagawa T, Takeda N, Tanchot C, Tartour E, Weber A, Werner S, Loffing J, Sommer L, Sexl V, Münz C, Feghali-Bostwick C, Pachera E, Distler O, Snedeker J, Jamora C, Stockmann C. Vaccination-based immunotherapy to target profibrotic cells in liver and lung. Cell Stem Cell 2022; 29:1459-1474.e9. [PMID: 36113462 DOI: 10.1016/j.stem.2022.08.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/19/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022]
Abstract
Fibrosis is the final path of nearly every form of chronic disease, regardless of the pathogenesis. Upon chronic injury, activated, fibrogenic fibroblasts deposit excess extracellular matrix, and severe tissue fibrosis can occur in virtually any organ. However, antifibrotic therapies that target fibrogenic cells, while sparing homeostatic fibroblasts in healthy tissues, are limited. We tested whether specific immunization against endogenous proteins, strongly expressed in fibrogenic cells but highly restricted in quiescent fibroblasts, can elicit an antigen-specific cytotoxic T cell response to ameliorate organ fibrosis. In silico epitope prediction revealed that activation of the genes Adam12 and Gli1 in profibrotic cells and the resulting "self-peptides" can be exploited for T cell vaccines to ablate fibrogenic cells. We demonstrate the efficacy of a vaccination approach to mount CD8+ T cell responses that reduce fibroblasts and fibrosis in the liver and lungs in mice. These results provide proof of principle for vaccination-based immunotherapies to treat fibrosis.
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Affiliation(s)
- Michal Sobecki
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Jing Chen
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Ewelina Krzywinska
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Shunmugam Nagarajan
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Zheng Fan
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Eric Nelius
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Josep M Monné Rodriguez
- Laboratory for Animal Model Pathology (LAMP), Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Frauke Seehusen
- Laboratory for Animal Model Pathology (LAMP), Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Amro Hussein
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Greta Moschini
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Edries Y Hajam
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Ravi Kiran
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Dagmar Gotthardt
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Julien Debbache
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Cécile Badoual
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France; Pathology Department and PRB (Plateforme de ressources biologiques), AP-HP, Georges Pompidou European Hospital, 75015 Paris, France
| | - Tatsuyuki Sato
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Takayuki Isagawa
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Corinne Tanchot
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France
| | - Eric Tartour
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France; Immunology, AP-HP, Hôpital Europeen Georges Pompidou, 75015 Paris, France
| | - Achim Weber
- Department for Pathology and Molecular Pathology, University of Zurich and Zurich University Hospital Zurich, 8091 Zurich, Switzerland; Comprehensive Cancer Center Zurich, 8091 Zurich, Switzerland; Institute of Molecular Cancer Research, 8091 Zurich, Switzerland
| | - Sabine Werner
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, 8093 Zurich, Switzerland
| | - Johannes Loffing
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Lukas Sommer
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Veronika Sexl
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Christian Münz
- Viral Immunobiology, Institute of Experimental Immunology, University of Zurich, 8057 Zurich, Switzerland
| | - Carol Feghali-Bostwick
- Division of Rheumatology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Elena Pachera
- Department of Rheumatology, University Hospital of Zurich, 8091 Zurich, Switzerland
| | - Oliver Distler
- Department of Rheumatology, University Hospital of Zurich, 8091 Zurich, Switzerland
| | - Jess Snedeker
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Colin Jamora
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Christian Stockmann
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland; Comprehensive Cancer Center Zurich, 8091 Zurich, Switzerland.
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Aloul KM, Nielsen JE, Defensor EB, Lin JS, Fortkort JA, Shamloo M, Cirillo JD, Gombart AF, Barron AE. Upregulating Human Cathelicidin Antimicrobial Peptide LL-37 Expression May Prevent Severe COVID-19 Inflammatory Responses and Reduce Microthrombosis. Front Immunol 2022; 13:880961. [PMID: 35634307 PMCID: PMC9134243 DOI: 10.3389/fimmu.2022.880961] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/11/2022] [Indexed: 01/08/2023] Open
Abstract
COVID-19 is characterized by hyperactivation by inflammatory cytokines and recruitment of macrophages, neutrophils, and other immune cells, all hallmarks of a strong inflammatory response that can lead to severe complications and multi-organ damage. Mortality in COVID-19 patients is associated with a high prevalence of neutrophil extracellular trap (NET) formation and microthrombosis that are exacerbated by hyperglycemia, diabetes, and old age. SARS-CoV-2 infection in humans and non-human primates have revealed long-term neurological consequences of COVID-19, possibly concomitant with the formation of Lewy bodies in the brain and invasion of the nervous system via the olfactory bulb. In this paper, we review the relevance of the human cathelicidin LL-37 in SARS-CoV-2 infections. LL-37 is an immunomodulatory, host defense peptide with direct anti-SARS-CoV-2 activity, and pleiotropic effects on the inflammatory response, neovascularization, Lewy body formation, and pancreatic islet cell function. The bioactive form of vitamin D and a number of other compounds induce LL-37 expression and one might predict its upregulation, could reduce the prevalence of severe COVID-19. We hypothesize upregulation of LL-37 will act therapeutically, facilitating efficient NET clearance by macrophages, speeding endothelial repair after inflammatory tissue damage, preventing α-synuclein aggregation, and supporting blood-glucose level stabilization by facilitating insulin release and islet β-cell neogenesis. In addition, it has been postulated that LL-37 can directly bind the S1 domain of SARS-CoV-2, mask angiotensin converting enzyme 2 (ACE2) receptors, and limit SARS-CoV-2 infection. Purposeful upregulation of LL-37 could also serve as a preventative and therapeutic strategy for SARS-CoV-2 infections.
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Affiliation(s)
- Karim M. Aloul
- Department of Bioengineering, Schools of Medicine and of Engineering, Stanford University, Stanford, CA, United States
| | - Josefine Eilsø Nielsen
- Department of Bioengineering, Schools of Medicine and of Engineering, Stanford University, Stanford, CA, United States
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Erwin B. Defensor
- Department of Neurosurgery, School of Medicine, Stanford University, Stanford, CA, United States
| | - Jennifer S. Lin
- Department of Bioengineering, Schools of Medicine and of Engineering, Stanford University, Stanford, CA, United States
| | - John A. Fortkort
- Department of Bioengineering, Schools of Medicine and of Engineering, Stanford University, Stanford, CA, United States
| | - Mehrdad Shamloo
- Department of Neurosurgery, School of Medicine, Stanford University, Stanford, CA, United States
| | - Jeffrey D. Cirillo
- Department of Microbial Pathogenesis and Immunology, Texas A&M College of Medicine, Bryan, TX, United States
| | - Adrian F. Gombart
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR, United States
- The Linus Pauling Institute, Oregon State University, Corvallis, OR, United States
| | - Annelise E. Barron
- Department of Bioengineering, Schools of Medicine and of Engineering, Stanford University, Stanford, CA, United States
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Solinc J, Ribot J, Soubrier F, Pavoine C, Dierick F, Nadaud S. The Platelet-Derived Growth Factor Pathway in Pulmonary Arterial Hypertension: Still an Interesting Target? Life (Basel) 2022; 12:life12050658. [PMID: 35629326 PMCID: PMC9143262 DOI: 10.3390/life12050658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 12/03/2022] Open
Abstract
The lack of curative options for pulmonary arterial hypertension drives important research to understand the mechanisms underlying this devastating disease. Among the main identified pathways, the platelet-derived growth factor (PDGF) pathway was established to control vascular remodeling and anti-PDGF receptor (PDGFR) drugs were shown to reverse the disease in experimental models. Four different isoforms of PDGF are produced by various cell types in the lung. PDGFs control vascular cells migration, proliferation and survival through binding to their receptors PDGFRα and β. They elicit multiple intracellular signaling pathways which have been particularly studied in pulmonary smooth muscle cells. Activation of the PDGF pathway has been demonstrated both in patients and in pulmonary hypertension (PH) experimental models. Tyrosine kinase inhibitors (TKI) are numerous but without real specificity and Imatinib, one of the most specific, resulted in beneficial effects. However, adverse events and treatment discontinuation discouraged to pursue this therapy. Novel therapeutic strategies are currently under experimental evaluation. For TKI, they include intratracheal drug administration, low dosage or nanoparticles delivery. Specific anti-PDGF and anti-PDGFR molecules can also be designed such as new TKI, soluble receptors, aptamers or oligonucleotides.
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Affiliation(s)
- Julien Solinc
- INSERM, Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, UMR_S1166, F-75013 Paris, France; (J.S.); (J.R.); (F.S.); (C.P.)
| | - Jonathan Ribot
- INSERM, Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, UMR_S1166, F-75013 Paris, France; (J.S.); (J.R.); (F.S.); (C.P.)
| | - Florent Soubrier
- INSERM, Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, UMR_S1166, F-75013 Paris, France; (J.S.); (J.R.); (F.S.); (C.P.)
| | - Catherine Pavoine
- INSERM, Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, UMR_S1166, F-75013 Paris, France; (J.S.); (J.R.); (F.S.); (C.P.)
| | - France Dierick
- Lady Davis Institute for Medical Research, McGill University, Montreal, QC H3T 1E2, Canada;
| | - Sophie Nadaud
- INSERM, Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, UMR_S1166, F-75013 Paris, France; (J.S.); (J.R.); (F.S.); (C.P.)
- Correspondence: ; Tel.: +33-14077-9681
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32
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Solinc J, Raimbault‐Machado J, Dierick F, El Bernoussi L, Tu L, Thuillet R, Mougenot N, Hoareau‐Coudert B, Monceau V, Pavoine C, Atassi F, Sassoon D, Marazzi G, Harvey RP, Schofield P, Christ D, Humbert M, Guignabert C, Soubrier F, Nadaud S. Platelet‐Derived Growth Factor Receptor Type α Activation Drives Pulmonary Vascular Remodeling Via Progenitor Cell Proliferation and Induces Pulmonary Hypertension. J Am Heart Assoc 2022; 11:e023021. [PMID: 35348002 PMCID: PMC9075467 DOI: 10.1161/jaha.121.023021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background Platelet‐derived growth factor is a major regulator of the vascular remodeling associated with pulmonary arterial hypertension. We previously showed that protein widely 1 (PW1+) vascular progenitor cells participate in early vessel neomuscularization during experimental pulmonary hypertension (PH) and we addressed the role of the platelet‐derived growth factor receptor type α (PDGFRα) pathway in progenitor cell‐dependent vascular remodeling and in PH development. Methods and Results Remodeled pulmonary arteries from patients with idiopathic pulmonary arterial hypertension showed an increased number of perivascular and vascular PW1+ cells expressing PDGFRα. PW1nLacZ reporter mice were used to follow the fate of pulmonary PW1+ progenitor cells in a model of chronic hypoxia–induced PH development. Under chronic hypoxia, PDGFRα inhibition prevented the increase in PW1+ progenitor cell proliferation and differentiation into vascular smooth muscle cells and reduced pulmonary vessel neomuscularization, but did not prevent an increased right ventricular systolic pressure or the development of right ventricular hypertrophy. Conversely, constitutive PDGFRα activation led to neomuscularization via PW1+ progenitor cell differentiation into new smooth muscle cells and to PH development in male mice without fibrosis. In vitro, PW1+ progenitor cell proliferation, but not differentiation, was dependent on PDGFRα activity. Conclusions These results demonstrate a major role of PDGFRα signaling in progenitor cell–dependent lung vessel neomuscularization and vascular remodeling contributing to PH development, including in idiopathic pulmonary arterial hypertension patients. Our findings suggest that PDGFRα blockers may offer a therapeutic add‐on strategy to combine with current pulmonary arterial hypertension treatments to reduce vascular remodeling. Furthermore, our study highlights constitutive PDGFRα activation as a novel experimental PH model.
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Affiliation(s)
- Julien Solinc
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - Jessica Raimbault‐Machado
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - France Dierick
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- Lady Davis Institute for Medical Research, McGill University Montréal QC Canada
| | - Lamiaa El Bernoussi
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - Ly Tu
- Université Paris‐Saclay, School of Medicine Le Kremlin‐Bicêtre France
- INSERM, Hôpital Marie Lannelongue, UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies Le Plessis‐Robinson France
| | - Raphaël Thuillet
- Université Paris‐Saclay, School of Medicine Le Kremlin‐Bicêtre France
- INSERM, Hôpital Marie Lannelongue, UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies Le Plessis‐Robinson France
| | - Nathalie Mougenot
- Sorbonne Universités, INSERM, UMS2, Faculté de Médecine Pitié‐Salpêtrière Paris France
| | | | | | - Catherine Pavoine
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - Fabrice Atassi
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - David Sassoon
- Université de Paris, INSERM, Paris Cardiovascular Research Center Paris France
| | - Giovanna Marazzi
- Université de Paris, INSERM, Paris Cardiovascular Research Center Paris France
| | - Richard P. Harvey
- Victor Chang Cardiac Research Institute Darlinghurst Australia
- St. Vincent’s Clinical School and School of Biotechnology and Biomolecular Science UNSW Sydney Sydney Australia
| | - Peter Schofield
- St. Vincent’s Clinical School and School of Biotechnology and Biomolecular Science UNSW Sydney Sydney Australia
- Immunology Division Garvan Institute of Medical Research Darlinghurst Australia
| | - Daniel Christ
- St. Vincent’s Clinical School and School of Biotechnology and Biomolecular Science UNSW Sydney Sydney Australia
- Immunology Division Garvan Institute of Medical Research Darlinghurst Australia
| | - Marc Humbert
- Université Paris‐Saclay, School of Medicine Le Kremlin‐Bicêtre France
- INSERM, Hôpital Marie Lannelongue, UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies Le Plessis‐Robinson France
- Department of Respiratory and Intensive Care Medicine Assistance Publique–Hôpitaux de Paris (AP‐HP)Pulmonary Hypertension National Referral CenterHôpital Bicêtre Le Kremlin‐Bicêtre France
| | - Christophe Guignabert
- Université Paris‐Saclay, School of Medicine Le Kremlin‐Bicêtre France
- INSERM, Hôpital Marie Lannelongue, UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies Le Plessis‐Robinson France
| | - Florent Soubrier
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
| | - Sophie Nadaud
- Sorbonne Université, INSERM, UMR_S 1166, Faculté de Médecine Pitié‐Salpêtrière Paris France
- ICAN Institute Paris France
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33
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Tobal R, Potjewijd J, van Empel VPM, Ysermans R, Schurgers LJ, Reutelingsperger CP, Damoiseaux JGMC, van Paassen P. Vascular Remodeling in Pulmonary Arterial Hypertension: The Potential Involvement of Innate and Adaptive Immunity. Front Med (Lausanne) 2022; 8:806899. [PMID: 35004784 PMCID: PMC8727487 DOI: 10.3389/fmed.2021.806899] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/02/2021] [Indexed: 11/30/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a severe disease with high morbidity and mortality. Current therapies are mainly focused on vasodilative agents to improve prognosis. However, recent literature has shown the important interaction between immune cells and stromal vascular cells in the pathogenic modifications of the pulmonary vasculature. The immunological pathogenesis of PAH is known as a complex interplay between immune cells and vascular stromal cells, via direct contacts and/or their production of extra-cellular/diffusible factors such as cytokines, chemokines, and growth factors. These include, the B-cell—mast-cell axis, endothelium mediated fibroblast activation and subsequent M2 macrophage polarization, anti-endothelial cell antibodies and the versatile role of IL-6 on vascular cells. This review aims to outline the major pathophysiological changes in vascular cells caused by immunological mechanisms, leading to vascular remodeling, increased pulmonary vascular resistance and eventually PAH. Considering the underlying immunological mechanisms, these mechanisms may be key to halt progression of disease.
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Affiliation(s)
- Rachid Tobal
- Division of Nephrology and Clinical and Experimental Immunology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Judith Potjewijd
- Division of Nephrology and Clinical and Experimental Immunology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Vanessa P M van Empel
- Department of Cardiology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Renee Ysermans
- Division of Nephrology and Clinical and Experimental Immunology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Leon J Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht, Netherlands
| | - Chris P Reutelingsperger
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht, Netherlands
| | - Jan G M C Damoiseaux
- Central Diagnostic Laboratory, Maastricht University Medical Center, Maastricht, Netherlands
| | - Pieter van Paassen
- Division of Nephrology and Clinical and Experimental Immunology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
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34
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Cell-to-Cell Crosstalk: A New Insight into Pulmonary Hypertension. Rev Physiol Biochem Pharmacol 2022; 184:159-179. [PMID: 35380274 DOI: 10.1007/112_2022_70] [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: 01/18/2023]
Abstract
Pulmonary hypertension (PH) is a disease with high pulmonary arterial pressure, pulmonary vasoconstriction, pulmonary vascular remodeling, and microthrombosis in complex plexiform lesions, but it has been unclear of the exact mechanism of PH. A new understanding of the pathogenesis of PH is occurred and focused on the role of crosstalk between the cells on pulmonary vessels and pulmonary alveoli. It was found that the crosstalks among the endothelial cells, smooth muscle cells, fibroblasts, pericytes, alveolar epithelial cells, and macrophages play important roles in cell proliferation, migration, inflammation, and so on. Therefore, the heterogeneity of multiple pulmonary blood vessels and alveolar cells and tracking the transmitters of cell communication could be conducive to the further insights into the pathogenesis of PH to discover the potential therapeutic targets for PH.
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35
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Evans CE, Cober ND, Dai Z, Stewart DJ, Zhao YY. Endothelial cells in the pathogenesis of pulmonary arterial hypertension. Eur Respir J 2021; 58:13993003.03957-2020. [PMID: 33509961 DOI: 10.1183/13993003.03957-2020] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/13/2021] [Indexed: 12/11/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a devastating disease that involves pulmonary vasoconstriction, small vessel obliteration, large vessel thickening and obstruction, and development of plexiform lesions. PAH vasculopathy leads to progressive increases in pulmonary vascular resistance, right heart failure and, ultimately, premature death. Besides other cell types that are known to be involved in PAH pathogenesis (e.g. smooth muscle cells, fibroblasts and leukocytes), recent studies have demonstrated that endothelial cells (ECs) have a crucial role in the initiation and progression of PAH. The EC-specific role in PAH is multi-faceted and affects numerous pathophysiological processes, including vasoconstriction, inflammation, coagulation, metabolism and oxidative/nitrative stress, as well as cell viability, growth and differentiation. In this review, we describe how EC dysfunction and cell signalling regulate the pathogenesis of PAH. We also highlight areas of research that warrant attention in future studies, and discuss potential molecular signalling pathways in ECs that could be targeted therapeutically in the prevention and treatment of PAH.
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Affiliation(s)
- Colin E Evans
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Nicholas D Cober
- Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Dept of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Zhiyu Dai
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ, USA
| | - Duncan J Stewart
- Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Dept of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - You-Yang Zhao
- Program for Lung and Vascular Biology, Section of Injury Repair and Regeneration, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA .,Dept of Pediatrics, Division of Critical Care, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Pharmacology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Dept of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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36
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Evidence for Multiple Origins of De Novo Formed Vascular Smooth Muscle Cells in Pulmonary Hypertension: Challenging the Dominant Model of Pre-Existing Smooth Muscle Expansion. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168584. [PMID: 34444333 PMCID: PMC8391896 DOI: 10.3390/ijerph18168584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022]
Abstract
Vascular remodeling is a prominent feature of pulmonary hypertension. This process involves increased muscularization of already muscularized vessels as well as neo-muscularization of non-muscularized vessels. The cell-of-origin of the newly formed vascular smooth muscle cells has been a subject of intense debate in recent years. Identifying these cells may have important clinical implications since it opens the door for attempts to therapeutically target the progenitor cells and/or reverse the differentiation of their progeny. In this context, the dominant model is that these cells derive from pre-existing smooth muscle cells that are activated in response to injury. In this mini review, we present the evidence that is in favor of this model and, at the same time, highlight other studies indicating that there are alternative cellular sources of vascular smooth muscle cells in pulmonary vascular remodeling.
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37
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Lechartier B, Berrebeh N, Huertas A, Humbert M, Guignabert C, Tu L. Phenotypic Diversity of Vascular Smooth Muscle Cells in Pulmonary Arterial Hypertension: Implications for Therapy. Chest 2021; 161:219-231. [PMID: 34391758 DOI: 10.1016/j.chest.2021.08.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 07/28/2021] [Accepted: 08/05/2021] [Indexed: 10/20/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive incurable condition that is characterized by extensive remodelling of the pulmonary circulation, leading to severe right heart failure and death. Similar to other vascular contractile cells, pulmonary arterial smooth muscle cells (PA-SMCs) play central roles in physiological and pathological vascular remodelling due to their remarkable ability to dynamically modulate their phenotype to ensure contractile and synthetic functions. The dysfunction and molecular mechanisms underlying their contribution to the various pulmonary vascular lesions associated with PAH have been a major focus of research. The aim of this review is to describe the medial and non-medial origins of contractile cells in the pulmonary vascular wall and present evidence of how they contribute to the onset and progression of PAH. We also highlight specific potential target molecules and discuss future directions that are being explored to widen the therapeutic options for the treatment of PAH.
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Affiliation(s)
- Benoit Lechartier
- Pulmonary Division, Lausanne University Hospital, Lausanne, Switzerland; Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France; AP-HP, Department of Respiratory and Intensive Care Medicine, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Nihel Berrebeh
- Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
| | - Alice Huertas
- Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France; AP-HP, Department of Respiratory and Intensive Care Medicine, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Marc Humbert
- Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France; AP-HP, Department of Respiratory and Intensive Care Medicine, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Christophe Guignabert
- Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
| | - Ly Tu
- Université Paris-Saclay, School of Medicine, Le Kremlin-Bicêtre, France; INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.
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38
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Gelzinis TA. Pulmonary Hypertension in 2021: Part I-Definition, Classification, Pathophysiology, and Presentation. J Cardiothorac Vasc Anesth 2021; 36:1552-1564. [PMID: 34344595 DOI: 10.1053/j.jvca.2021.06.036] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/26/2021] [Accepted: 06/30/2021] [Indexed: 11/11/2022]
Abstract
The World Symposium on Pulmonary Hypertension (WSPH) was organized by the World Health Organization in 1973 in response to an increase in pulmonary arterial hypertension in Europe caused by aminorex, an appetite suppressant. The mandate of this meeting was to review the latest clinical and scientific research and to formulate recommendations to improve the diagnosis and management of pulmonary hypertension (PH).1 Since 1998, the WSPH has met every five years and in 2018, the sixth annual WSPH revised the hemodynamic definition of PH. This two-part series will review the updated definition, classification, pathophysiology, presentation, diagnosis, management, and perioperative management of patients with PH. In the first part of this series, the definition, classification, pathophysiology, and presentation will be reviewed.
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Yuan K, Agarwal S, Chakraborty A, Condon DF, Patel H, Zhang S, Huang F, Mello SA, Kirk OI, Vasquez R, de Jesus Perez VA. Lung Pericytes in Pulmonary Vascular Physiology and Pathophysiology. Compr Physiol 2021; 11:2227-2247. [PMID: 34190345 PMCID: PMC10507675 DOI: 10.1002/cphy.c200027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Pericytes are mesenchymal-derived mural cells localized within the basement membrane of pulmonary and systemic capillaries. Besides structural support, pericytes control vascular tone, produce extracellular matrix components, and cytokines responsible for promoting vascular homeostasis and angiogenesis. However, pericytes can also contribute to vascular pathology through the production of pro-inflammatory and pro-fibrotic cytokines, differentiation into myofibroblast-like cells, destruction of the extracellular matrix, and dissociation from the vessel wall. In the lung, pericytes are responsible for maintaining the integrity of the alveolar-capillary membrane and coordinating vascular repair in response to injury. Loss of pericyte communication with alveolar capillaries and a switch to a pro-inflammatory/pro-fibrotic phenotype are common features of lung disorders associated with vascular remodeling, inflammation, and fibrosis. In this article, we will address how to differentiate pericytes from other cells, discuss the molecular mechanisms that regulate the interactions of pericytes and endothelial cells in the pulmonary circulation, and the experimental tools currently used to study pericyte biology both in vivo and in vitro. We will also discuss evidence that links pericytes to the pathogenesis of clinically relevant lung disorders such as pulmonary hypertension, idiopathic lung fibrosis, sepsis, and SARS-COVID. Future studies dissecting the complex interactions of pericytes with other pulmonary cell populations will likely reveal critical insights into the origin of pulmonary diseases and offer opportunities to develop novel therapeutics to treat patients afflicted with these devastating disorders. © 2021 American Physiological Society. Compr Physiol 11:2227-2247, 2021.
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Affiliation(s)
- Ke Yuan
- Division of Respiratory Diseases Research, Department of Pediatrics, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Stuti Agarwal
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - Ananya Chakraborty
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - David F. Condon
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - Hiral Patel
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - Serena Zhang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - Flora Huang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | - Salvador A. Mello
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
| | | | - Rocio Vasquez
- University of Central Florida, Orlando, Florida, USA
| | - Vinicio A. de Jesus Perez
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California, USA
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40
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Dierick F, Solinc J, Bignard J, Soubrier F, Nadaud S. Progenitor/Stem Cells in Vascular Remodeling during Pulmonary Arterial Hypertension. Cells 2021; 10:cells10061338. [PMID: 34071347 PMCID: PMC8226806 DOI: 10.3390/cells10061338] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/12/2021] [Accepted: 05/21/2021] [Indexed: 12/18/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is characterized by an important occlusive vascular remodeling with the production of new endothelial cells, smooth muscle cells, myofibroblasts, and fibroblasts. Identifying the cellular processes leading to vascular proliferation and dysfunction is a major goal in order to decipher the mechanisms leading to PAH development. In addition to in situ proliferation of vascular cells, studies from the past 20 years have unveiled the role of circulating and resident vascular in pulmonary vascular remodeling. This review aims at summarizing the current knowledge on the different progenitor and stem cells that have been shown to participate in pulmonary vascular lesions and on the pathways regulating their recruitment during PAH. Finally, this review also addresses the therapeutic potential of circulating endothelial progenitor cells and mesenchymal stem cells.
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Affiliation(s)
- France Dierick
- Lady Davis Institute for Medical Research, McGill University, Montréal, QC H3T 1E2, Canada;
| | - Julien Solinc
- UMR_S 1166, Faculté de Médecine Pitié-Salpêtrière, INSERM, Sorbonne Université, 75013 Paris, France; (J.S.); (J.B.); (F.S.)
| | - Juliette Bignard
- UMR_S 1166, Faculté de Médecine Pitié-Salpêtrière, INSERM, Sorbonne Université, 75013 Paris, France; (J.S.); (J.B.); (F.S.)
| | - Florent Soubrier
- UMR_S 1166, Faculté de Médecine Pitié-Salpêtrière, INSERM, Sorbonne Université, 75013 Paris, France; (J.S.); (J.B.); (F.S.)
| | - Sophie Nadaud
- UMR_S 1166, Faculté de Médecine Pitié-Salpêtrière, INSERM, Sorbonne Université, 75013 Paris, France; (J.S.); (J.B.); (F.S.)
- Correspondence:
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Rosanto YB, Hasan CY, Rahardjo R, Pangestiningsih TW. Effect of snail mucus on angiogenesis during wound healing. F1000Res 2021; 10:181. [PMID: 38912381 PMCID: PMC11190653 DOI: 10.12688/f1000research.51297.2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/07/2021] [Indexed: 06/25/2024] Open
Abstract
Background: Angiogenesis is the process through which new blood vessels are formed from existing ones. This process plays an important role in supplying the oxygen and nutrients needed for cellular metabolism and eliminating cell debris during wound healing. Snail mucus can bind to several factors that stimulate angiogenesis, including vascular endothelial growth factor, platelet-derived growth factor, and fibroblast growth factor. The aim of this study is to observe changes in angiogenesis during the healing of wounds topically applied with snail mucus. Methods: Punch biopsy was performed on the back of male Wistar rats to obtain four wounds, and different concentrations of snail mucus were applied to each of these wounds. The animals were sacrificed on days 2, 4, and 7 to observe the extent of angiogenesis during wound healing by microscopy. Results: Two-way ANOVA showed differences in number of blood vessels formed (p = 0.00) and day of observation (p = 0.00) between groups. Post hoc Tukey's HSD test showed that 24% snail mucus treatment does not significantly affect wound healing (p = 0.488); by contrast, treatment with 48% and 96% snail mucus demonstrated significant effects on angiogenesis (p = 0.01). Spearman's test showed interactive effects between snail mucus concentration and day of observation on the extent of angiogenesis (p = 0.001, R = 0.946). Conclusion: Topical application of snail mucus gel can increase angiogenesis during wound healing in Wistar rat skin.
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Affiliation(s)
- Yosaphat Bayu Rosanto
- Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia, 55281, Indonesia
| | - Cahya Yustisia Hasan
- Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia, 55281, Indonesia
| | - Rahardjo Rahardjo
- Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia, 55281, Indonesia
| | - Tri Wahyu Pangestiningsih
- Anatomy, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia, 55281, Indonesia
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Pienkos S, Gallego N, Condon DF, Cruz-Utrilla A, Ochoa N, Nevado J, Arias P, Agarwal S, Patel H, Chakraborty A, Lapunzina P, Escribano P, Tenorio-Castaño J, de Jesús Pérez VA. Novel TNIP2 and TRAF2 Variants Are Implicated in the Pathogenesis of Pulmonary Arterial Hypertension. Front Med (Lausanne) 2021; 8:625763. [PMID: 33996849 PMCID: PMC8119639 DOI: 10.3389/fmed.2021.625763] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/23/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Pulmonary arterial hypertension (PAH) is a rare disease characterized by pulmonary vascular remodeling and right heart failure. Specific genetic variants increase the incidence of PAH in carriers with a family history of PAH, those who suffer from certain medical conditions, and even those with no apparent risk factors. Inflammation and immune dysregulation are related to vascular remodeling in PAH, but whether genetic susceptibility modifies the PAH immune response is unclear. TNIP2 and TRAF2 encode for immunomodulatory proteins that regulate NF-κB activation, a transcription factor complex associated with inflammation and vascular remodeling in PAH. Methods: Two unrelated families with PAH cases underwent whole-exome sequencing (WES). A custom pipeline for variant prioritization was carried out to obtain candidate variants. To determine the impact of TNIP2 and TRAF2 in cell proliferation, we performed an MTS [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium] assay on healthy lung pericytes transfected with siRNA specific for each gene. To measure the effect of loss of TNIP2 and TRAF2 on NF-kappa-beta (NF-κB) activity, we measured levels of Phospho-p65-NF-κB in siRNA-transfected pericytes using western immunoblotting. Results: We discovered a novel missense variant in the TNIP2 gene in two affected individuals from the same family. The two patients had a complex form of PAH with interatrial communication and scleroderma. In the second family, WES of the proband with PAH and primary biliary cirrhosis revealed a de novo protein-truncating variant in the TRAF2. The knockdown of TNIP2 and TRAF2 increased NF-κB activity in healthy lung pericytes, which correlated with a significant increase in proliferation over 24 h. Conclusions: We have identified two rare novel variants in TNIP2 and TRAF2 using WES. We speculate that loss of function in these genes promotes pulmonary vascular remodeling by allowing overactivation of the NF-κB signaling activity. Our findings support a role for WES in helping identify novel genetic variants associated with dysfunctional immune response in PAH.
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Affiliation(s)
- Shaun Pienkos
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
| | - Natalia Gallego
- Medical and Molecular Genetics Institute (INGEMM), IdiPaz, Hospital Universitario La Paz, Madrid, Spain
- CIBERER, Centro de Investigación en Red de Enfermedades Raras, Instituto de Salud Carlos III, Madrid, Spain
| | - David F. Condon
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
| | - Alejandro Cruz-Utrilla
- Pulmonary Hypertension Unit, Department of Cardiology, Hospital Universitario Doce de Octubre, Madrid, Spain
- Centro de Investigación Biomedica en Red en Enfermedades Cardiovasculares, Instituto de Salud Carlos III (CIBERCV), Madrid, Spain
| | - Nuria Ochoa
- Pulmonary Hypertension Unit, Department of Cardiology, Hospital Universitario Doce de Octubre, Madrid, Spain
- Centro de Investigación Biomedica en Red en Enfermedades Cardiovasculares, Instituto de Salud Carlos III (CIBERCV), Madrid, Spain
| | - Julián Nevado
- Medical and Molecular Genetics Institute (INGEMM), IdiPaz, Hospital Universitario La Paz, Madrid, Spain
- CIBERER, Centro de Investigación en Red de Enfermedades Raras, Instituto de Salud Carlos III, Madrid, Spain
- Intellectual Disability, TeleHealth, Autism and Congenital Anomalies (ITHACA), European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Pedro Arias
- Medical and Molecular Genetics Institute (INGEMM), IdiPaz, Hospital Universitario La Paz, Madrid, Spain
- CIBERER, Centro de Investigación en Red de Enfermedades Raras, Instituto de Salud Carlos III, Madrid, Spain
- Intellectual Disability, TeleHealth, Autism and Congenital Anomalies (ITHACA), European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Stuti Agarwal
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
| | - Hiral Patel
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
| | - Ananya Chakraborty
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
| | - Pablo Lapunzina
- Medical and Molecular Genetics Institute (INGEMM), IdiPaz, Hospital Universitario La Paz, Madrid, Spain
- CIBERER, Centro de Investigación en Red de Enfermedades Raras, Instituto de Salud Carlos III, Madrid, Spain
- Intellectual Disability, TeleHealth, Autism and Congenital Anomalies (ITHACA), European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Pilar Escribano
- Pulmonary Hypertension Unit, Department of Cardiology, Hospital Universitario Doce de Octubre, Madrid, Spain
- Centro de Investigación Biomedica en Red en Enfermedades Cardiovasculares, Instituto de Salud Carlos III (CIBERCV), Madrid, Spain
| | - Jair Tenorio-Castaño
- Medical and Molecular Genetics Institute (INGEMM), IdiPaz, Hospital Universitario La Paz, Madrid, Spain
- CIBERER, Centro de Investigación en Red de Enfermedades Raras, Instituto de Salud Carlos III, Madrid, Spain
- Intellectual Disability, TeleHealth, Autism and Congenital Anomalies (ITHACA), European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Vinicio A. de Jesús Pérez
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Stanford University, Stanford, CA, United States
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Mercurio V, Cuomo A, Naranjo M, Hassoun PM. Inflammatory Mechanisms in the Pathogenesis of Pulmonary Arterial Hypertension: Recent Advances. Compr Physiol 2021; 11:1805-1829. [PMID: 33792903 DOI: 10.1002/cphy.c200025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Inflammatory processes are increasingly recognized in the pathogenesis of the vascular remodeling that characterizes pulmonary arterial hypertension (PAH). Chronic inflammation may contribute to disease progression or serve as a biomarker of PAH severity. Furthermore, inflammatory pathways may represent possible therapeutic targets for novel PAH-specific drugs beyond the currently approved therapies targeting the endothelin, nitric oxide/cyclic GMP, and prostacyclin biological pathways. The main focus of this article is to provide recent advances in the understanding of the role of inflammatory pathways in the pathogenesis of PAH from preclinical studies and current clinical data supporting chronic inflammation in PAH patients and to discuss emerging therapeutic implications. © 2021 American Physiological Society. Compr Physiol 11:1805-1829, 2021.
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Affiliation(s)
- Valentina Mercurio
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA.,Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Alessandra Cuomo
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Mario Naranjo
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Paul M Hassoun
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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Dessalles CA, Babataheri A, Barakat AI. Pericyte mechanics and mechanobiology. J Cell Sci 2021; 134:134/6/jcs240226. [PMID: 33753399 DOI: 10.1242/jcs.240226] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Pericytes are mural cells of the microvasculature, recognized by their thin processes and protruding cell body. Pericytes wrap around endothelial cells and play a central role in regulating various endothelial functions, including angiogenesis and inflammation. They also serve as a vascular support and regulate blood flow by contraction. Prior reviews have examined pericyte biological functions and biochemical signaling pathways. In this Review, we focus on the role of mechanics and mechanobiology in regulating pericyte function. After an overview of the morphology and structure of pericytes, we describe their interactions with both the basement membrane and endothelial cells. We then turn our attention to biophysical considerations, and describe contractile forces generated by pericytes, mechanical forces exerted on pericytes, and pericyte responses to these forces. Finally, we discuss 2D and 3D engineered in vitro models for studying pericyte mechano-responsiveness and underscore the need for more evolved models that provide improved understanding of pericyte function and dysfunction.
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Affiliation(s)
- Claire A Dessalles
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120, Palaiseau, France
| | - Avin Babataheri
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120, Palaiseau, France
| | - Abdul I Barakat
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120, Palaiseau, France
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Guignabert C, Humbert M. Targeting transforming growth factor-β receptors in pulmonary hypertension. Eur Respir J 2021; 57:13993003.02341-2020. [PMID: 32817256 DOI: 10.1183/13993003.02341-2020] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/31/2020] [Indexed: 12/13/2022]
Abstract
The transforming growth factor-β (TGF-β) superfamily includes several groups of multifunctional proteins that form two major branches, namely the TGF-β-activin-nodal branch and the bone morphogenetic protein (BMP)-growth differentiation factor (GDF) branch. The response to the activation of these two branches, acting through canonical (small mothers against decapentaplegic (Smad) 2/3 and Smad 1/5/8, respectively) and noncanonical signalling pathways, are diverse and vary for different environmental conditions and cell types. An extensive body of data gathered in recent years has demonstrated a central role for the cross-talk between these two branches in a number of cellular processes, which include the regulation of cell proliferation and differentiation, as well as the transduction of signalling cascades for the development and maintenance of different tissues and organs. Importantly, alterations in these pathways, which include heterozygous germline mutations and/or alterations in the expression of several constitutive members, have been identified in patients with familial/heritable pulmonary arterial hypertension (PAH) or idiopathic PAH (IPAH). Consequently, loss or dysfunction in the delicate, finely-tuned balance between the TGF-β-activin-nodal branch and the BMP-GDF branch are currently viewed as the major molecular defect playing a critical role in PAH predisposition and disease progression. Here we review the role of the TGF-β-activin-nodal branch in PAH and illustrate how this knowledge has not only provided insight into understanding its pathogenesis, but has also paved the way for possible novel therapeutic approaches.
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Affiliation(s)
- Christophe Guignabert
- Faculty of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,INSERM UMR_S 999 (Pulmonary Hypertension: Pathophysiology and Novel Therapies), Hôpital Marie Lannelongue, Le Plessis-Robinson, France
| | - Marc Humbert
- Faculty of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,INSERM UMR_S 999 (Pulmonary Hypertension: Pathophysiology and Novel Therapies), Hôpital Marie Lannelongue, Le Plessis-Robinson, France.,Dept of Respiratory and Intensive Care Medicine, French Pulmonary Hypertension Reference Center, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Le Kremlin-Bicêtre, France
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Meijer EM, van Dijk CGM, Kramann R, Verhaar MC, Cheng C. Implementation of Pericytes in Vascular Regeneration Strategies. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:1-21. [PMID: 33231500 DOI: 10.1089/ten.teb.2020.0229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
For the survival and integration of complex large-sized tissue-engineered (TE) organ constructs that exceed the maximal nutrients and oxygen diffusion distance required for cell survival, graft (pre)vascularization to ensure medium or blood supply is crucial. To achieve this, the morphology and functionality of the microcapillary bed should be mimicked by incorporating vascular cell populations, including endothelium and mural cells. Pericytes play a crucial role in microvascular function, blood vessel stability, angiogenesis, and blood pressure regulation. In addition, tissue-specific pericytes are important in maintaining specific functions in different organs, including vitamin A storage in the liver, renin production in the kidneys and maintenance of the blood-brain-barrier. Together with their multipotential differentiation capacity, this makes pericytes the preferred cell type for application in TE grafts. The use of a tissue-specific pericyte cell population that matches the TE organ may benefit organ function. In this review, we provide an overview of the literature for graft (pre)-vascularization strategies and highlight the possible advantages of using tissue-specific pericytes for specific TE organ grafts. Impact statement The use of a tissue-specific pericyte cell population that matches the tissue-engineered (TE) organ may benefit organ function. In this review, we provide an overview of the literature for graft (pre)vascularization strategies and highlight the possible advantages of using tissue-specific pericytes for specific TE organ grafts.
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Affiliation(s)
- Elana M Meijer
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Christian G M van Dijk
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rafael Kramann
- Division of Nephrology and Institute of Experimental Medicine and Systems Biology, University Hospital RWTH Aachen, Aachen, Germany.,Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Caroline Cheng
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands.,Experimental Cardiology, Department of Cardiology, Thorax Center Erasmus University Medical Center, Rotterdam, The Netherlands
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Liang S, Desai AA, Black SM, Tang H. Cytokines, Chemokines, and Inflammation in Pulmonary Arterial Hypertension. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1303:275-303. [PMID: 33788198 DOI: 10.1007/978-3-030-63046-1_15] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
According to the World Symposium Pulmonary Hypertension (WSPH) classification, pulmonary hypertension (PH) is classified into five categories based on etiology. Among them, Group 1 pulmonary arterial hypertension (PAH) disorders are rare but progressive and often, fatal despite multiple approved treatments. Elevated pulmonary arterial pressure in patients with WSPH Group 1 PAH is mainly caused by increased pulmonary vascular resistance (PVR), due primarily to sustained pulmonary vasoconstriction and excessive obliterative pulmonary vascular remodeling. Growing evidence indicates that inflammation plays a critical role in the development of pulmonary vascular remodeling associated with PAH. While the role of auto-immunity is unclear, infiltration of inflammatory cells in and around vascular lesions, including T- and B-cells, dendritic cells, macrophages, and mast cells have been observed in PAH patients. Serum and plasma levels of chemokines, cytokines, and autoantibodies are also increased in PAH patients; some of these circulating molecules are correlated with disease severity and survival. Preclinical experiments have reported a key role of the inflammation in PAH pathophysiology in vivo. Importantly, anti-inflammatory and immunosuppressive agents have further exhibited therapeutic effects. The present chapter reviews published experimental and clinical evidence highlighting the canonical role of inflammation in the pathogenesis of PAH and as a major target for the development of anti-inflammatory therapies in patients with PAH.
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Affiliation(s)
- Shuxin Liang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China.,State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Ankit A Desai
- Department of Medicine, Indiana University, Indianapolis, IN, USA
| | - Stephen M Black
- Division of Translational and Regenerative Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Haiyang Tang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China. .,State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
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Zehendner CM, Valasarajan C, Werner A, Boeckel JN, Bischoff FC, John D, Weirick T, Glaser SF, Rossbach O, Jaé N, Demolli S, Khassafi F, Yuan K, de Jesus Perez VA, Michalik KM, Chen W, Seeger W, Guenther A, Wasnick RM, Uchida S, Zeiher AM, Dimmeler S, Pullamsetti SS. Long Noncoding RNA TYKRIL Plays a Role in Pulmonary Hypertension via the p53-mediated Regulation of PDGFRβ. Am J Respir Crit Care Med 2020; 202:1445-1457. [PMID: 32634060 PMCID: PMC7786813 DOI: 10.1164/rccm.201910-2041oc] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 07/06/2020] [Indexed: 01/07/2023] Open
Abstract
Rationale: Long noncoding RNAs (lncRNAs) are emerging as important regulators of diverse biological functions. Their role in pulmonary arterial hypertension (PAH) remains to be explored.Objectives: To elucidate the role of TYKRIL (tyrosine kinase receptor-inducing lncRNA) as a regulator of p53/ PDGFRβ (platelet-derived growth factor receptor β) signaling pathway and to investigate its role in PAH.Methods: Pericytes and pulmonary arterial smooth muscle cells exposed to hypoxia and derived from patients with idiopathic PAH were analyzed with RNA sequencing. TYKRIL knockdown was performed in above-mentioned human primary cells and in precision-cut lung slices derived from patients with PAH.Measurements and Main Results: Using RNA sequencing data, TYKRIL was identified to be consistently upregulated in pericytes and pulmonary arterial smooth muscles cells exposed to hypoxia and derived from patients with idiopathic PAH. TYKRIL knockdown reversed the proproliferative (n = 3) and antiapoptotic (n = 3) phenotype induced under hypoxic and idiopathic PAH conditions. Owing to the poor species conservation of TYKRIL, ex vivo studies were performed in precision-cut lung slices from patients with PAH. Knockdown of TYKRIL in precision-cut lung slices decreased the vascular remodeling (n = 5). The number of proliferating cell nuclear antigen-positive cells in the vessels was decreased and the number of terminal deoxynucleotide transferase-mediated dUTP nick end label-positive cells in the vessels was increased in the LNA (locked nucleic acid)-treated group compared with control. Expression of PDGFRβ, a key player in PAH, was found to strongly correlate with TYKRIL expression in the patient samples (n = 12), and TYKRIL knockdown decreased PDGFRβ expression (n = 3). From the transcription factor-screening array, it was observed that TYKRIL knockdown increased the p53 activity, a known repressor of PDGFRβ. RNA immunoprecipitation using various p53 mutants demonstrated that TYKRIL binds to the N-terminal of p53 (an important region for p300 interaction with p53). The proximity ligation assay revealed that TYKRIL interferes with the p53-p300 interaction (n = 3) and regulates p53 nuclear translocation.Conclusions: TYKRIL plays an important role in PAH by regulating the p53/PDGFRβ axis.
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Affiliation(s)
- Christoph M Zehendner
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- ZIM III, Department of Cardiology, Goethe University, Frankfurt am Main, Germany
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Chanil Valasarajan
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Astrid Werner
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- ZIM III, Department of Cardiology, Goethe University, Frankfurt am Main, Germany
| | - Jes-Niels Boeckel
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Florian C Bischoff
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- ZIM III, Department of Cardiology, Goethe University, Frankfurt am Main, Germany
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - David John
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Tyler Weirick
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
- Cardiovascular Innovation Institute, University of Louisville, Louisville, Kentucky
| | - Simone F Glaser
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Oliver Rossbach
- Department of Biology and Chemistry, Institute of Biochemistry, University of Giessen, Giessen, Germany
| | - Nicolas Jaé
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
| | - Shemsi Demolli
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
| | - Fatemeh Khassafi
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Ke Yuan
- Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, California
| | | | | | - Wei Chen
- Laboratory for Novel Sequencing Technology, Functional and Medical Genomics, Berlin Institute for Medical Systems Biology, Max-Delbruck-Centre for Molecular Medicine, Berlin, Germany
- Department of Biology, Southern University of Science and Technology, Shenzhen, Guangdong, China; and
| | - Werner Seeger
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
- Department of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), member of the DZL, Justus Liebig University, Giessen, Germany
| | - Andreas Guenther
- Department of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), member of the DZL, Justus Liebig University, Giessen, Germany
| | - Roxana M Wasnick
- Department of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), member of the DZL, Justus Liebig University, Giessen, Germany
| | - Shizuka Uchida
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- Cardiovascular Innovation Institute, University of Louisville, Louisville, Kentucky
| | - Andreas M Zeiher
- ZIM III, Department of Cardiology, Goethe University, Frankfurt am Main, Germany
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Stefanie Dimmeler
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, and
- German Center for Cardiovascular Research, DZHK, Berlin, Germany
| | - Soni S Pullamsetti
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
- Department of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), member of the DZL, Justus Liebig University, Giessen, Germany
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Pan X, Xu S, Zhou Z, Wang F, Mao L, Li H, Wu C, Wang J, Huang Y, Li D, Wang C, Pan J. Fibroblast growth factor-2 alleviates the capillary leakage and inflammation in sepsis. Mol Med 2020; 26:108. [PMID: 33187467 PMCID: PMC7662026 DOI: 10.1186/s10020-020-00221-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 09/29/2020] [Indexed: 02/07/2023] Open
Abstract
Background Acute lung injury (ALI), which is induced by numerous pathogenic factors, especially sepsis, can generate alveolar damage, pulmonary edema and vascular hyper-permeability ultimately leading to severe hypoxemia. Fibroblast growth factor-2 (FGF2) is an important member of the FGF family associated with endothelial cell migration and proliferation, and injury repairment. Here, we conducted this study aiming to evaluate the therapeutic effect of FGF2 in sepsis-induced ALI. Methods Recombinant FGF2 was abdominally injected into septic mice induced by cecal ligation and puncture (CLP), and then the inflammatory factors of lung tissue, vascular permeability and lung injury-related indicators based on protein levels and gene expression were detected. In vitro, human pulmonary microvascular endothelial cells (HPMEC) and mouse peritoneal macrophages (PMs) were challenged by lipopolysaccharides (LPS) with or without FGF2 administration in different groups, and then changes in inflammation indicators and cell permeability ability were tested. Results The results revealed that FGF2 treatment reduced inflammation response, attenuated pulmonary capillary leakage, alleviated lung injury and improved survival in septic mice. The endothelial injury and macrophages inflammation induced by LPS were inhibited by FGF2 administration via AKT/P38/NF-κB signaling pathways. Conclusion These findings indicated a therapeutic role of FGF2 in ALI through ameliorating capillary leakage and inflammation.
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Affiliation(s)
- Xiaojun Pan
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Shunyao Xu
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Zhen Zhou
- Department of Intensive Care Unit, Hangzhou Third Hospital, Hangzhou, 310000, Zhejiang, P. R. China
| | - Fen Wang
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Lingjie Mao
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Hao Li
- Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Caixia Wu
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Junfeng Wang
- The Yiwu Affiliated Hospital of Wenzhou Medical University, Jinhua, 322000, Zhejiang, P. R. China
| | - Yueyue Huang
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China
| | - Dequan Li
- Department of Traumatology Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China.
| | - Cong Wang
- Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China.
| | - Jingye Pan
- Department of Intensive Care Unit, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, P. R. China.
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Chen X, He Y, Fu W, Sahebkar A, Tan Y, Xu S, Li H. Histone Deacetylases (HDACs) and Atherosclerosis: A Mechanistic and Pharmacological Review. Front Cell Dev Biol 2020; 8:581015. [PMID: 33282862 PMCID: PMC7688915 DOI: 10.3389/fcell.2020.581015] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis (AS), the most common underlying pathology for coronary artery disease, is a chronic inflammatory, proliferative disease in large- and medium-sized arteries. The vascular endothelium is important for maintaining vascular health. Endothelial dysfunction is a critical early event leading to AS, which is a major risk factor for stroke and myocardial infarction. Accumulating evidence has suggested the critical roles of histone deacetylases (HDACs) in regulating vascular cell homeostasis and AS. The purpose of this review is to present an updated view on the roles of HDACs (Class I, Class II, Class IV) and HDAC inhibitors in vascular dysfunction and AS. We also elaborate on the novel therapeutic targets and agents in atherosclerotic cardiovascular diseases.
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Affiliation(s)
- Xiaona Chen
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanhong He
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wenjun Fu
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Polish Mother's Memorial Hospital Research Institute, Łódź, Poland
| | - Yuhui Tan
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Suowen Xu
- Department of Endocrinology, First Affiliated Hospital, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hong Li
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
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