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Gu X, Yu Z, Qian T, Jin Y, Xu G, Li J, Gu J, Li M, Tao K. Transcriptomic analysis identifies the shared diagnostic biomarkers and immune relationship between Atherosclerosis and abdominal aortic aneurysm based on fatty acid metabolism gene set. Front Mol Biosci 2024; 11:1365447. [PMID: 38660376 PMCID: PMC11040089 DOI: 10.3389/fmolb.2024.1365447] [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: 01/24/2024] [Accepted: 03/21/2024] [Indexed: 04/26/2024] Open
Abstract
Background Epidemiological research has demonstrated that there is a connection between lipid metabolism disorder and an increased risk of developing arteriosclerosis (AS) and abdominal aortic aneurysm (AAA). However, the precise relationship between lipid metabolism, AS, and AAA is still not fully understood. The objective of this study was to examine the pathways and potential fatty acid metabolism-related genes (FRGs) that are shared between AS and AAA. Methods AS- and AAA-associated datasets were retrieved from the Gene Expression Omnibus (GEO) database, and the limma package was utilized to identify differentially expressed FRGs (DFRGs) common to both AS and AAA patients. Functional enrichment analysis was conducted on the (DFRGs), and a protein-protein interaction (PPI) network was established. The selection of signature genes was performed through the utilization of least absolute shrinkage and selection operator (LASSO) regression and random forest (RF). Subsequently, a nomogram was developed using the results of the screening process, and the crucial genes were validated in two separate external datasets (GSE28829 and GSE17901) as well as clinical samples. In the end, single-sample gene set enrichment analysis (ssGSEA) was utilized to assess the immune cell patterns in both AS and AAA. Additionally, the correlation between key crosstalk genes and immune cell was evaluated. Results In comparison to control group, both AS and AAA patients exhibited a decrease in fatty acid metabolism score. We found 40 DFRGs overlapping in AS and AAA, with lipid and amino acid metabolism critical in their pathogenesis. PCBD1, ACADL, MGLL, BCKDHB, and IDH3G were identified as signature genes connecting AS and AAA. Their expression levels were confirmed in validation datasets and clinical samples. The analysis of immune infiltration showed that neutrophils, NK CD56dim cells, and Tem cells are important in AS and AAA development. Correlation analysis suggested that these signature genes may be involved in immune cell infiltration. Conclusion The fatty acid metabolism pathway appears to be linked to the development of both AS and AAA. Furthermore, PCBD1, ACADL, MGLL, BCKDHB, and IDH3G have the potential to serve as diagnostic markers for patients with AS complicated by AAA.
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Affiliation(s)
- Xuefeng Gu
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
| | - Zhongxian Yu
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
| | - Tianwei Qian
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
| | - Yiqi Jin
- Department of General Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu Province, China
| | - Guoxiong Xu
- Department of General Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu Province, China
| | - Jiang Li
- Department of General Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu Province, China
| | - Jianfeng Gu
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
| | - Ming Li
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
| | - Ke Tao
- Department of General Surgery, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu Province, China
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Yang Q, Saaoud F, Lu Y, Pu Y, Xu K, Shao Y, Jiang X, Wu S, Yang L, Tian Y, Liu X, Gillespie A, Luo JJ, Shi XM, Zhao H, Martinez L, Vazquez-Padron R, Wang H, Yang X. Innate immunity of vascular smooth muscle cells contributes to two-wave inflammation in atherosclerosis, twin-peak inflammation in aortic aneurysms and trans-differentiation potential into 25 cell types. Front Immunol 2024; 14:1348238. [PMID: 38327764 PMCID: PMC10847266 DOI: 10.3389/fimmu.2023.1348238] [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: 12/02/2023] [Accepted: 12/27/2023] [Indexed: 02/09/2024] Open
Abstract
Introduction Vascular smooth muscle cells (VSMCs) are the predominant cell type in the medial layer of the aorta, which plays a critical role in aortic diseases. Innate immunity is the main driving force for cardiovascular diseases. Methods To determine the roles of innate immunity in VSMC and aortic pathologies, we performed transcriptome analyses on aortas from ApoE-/- angiotensin II (Ang II)-induced aortic aneurysm (AAA) time course, and ApoE-/- atherosclerosis time course, as well as VSMCs stimulated with danger-associated molecular patterns (DAMPs). Results We made significant findings: 1) 95% and 45% of the upregulated innate immune pathways (UIIPs, based on data of 1226 innate immune genes) in ApoE-/- Ang II-induced AAA at 7 days were different from that of 14 and 28 days, respectively; and AAA showed twin peaks of UIIPs with a major peak at 7 days and a minor peak at 28 days; 2) all the UIIPs in ApoE-/- atherosclerosis at 6 weeks were different from that of 32 and 78 weeks (two waves); 3) analyses of additional 12 lists of innate immune-related genes with 1325 cytokine and chemokine genes, 2022 plasma membrane protein genes, 373 clusters of differentiation (CD) marker genes, 280 nuclear membrane protein genes, 1425 nucleoli protein genes, 6750 nucleoplasm protein genes, 1496 transcription factors (TFs) including 15 pioneer TFs, 164 histone modification enzymes, 102 oxidative cell death genes, 68 necrotic cell death genes, and 47 efferocytosis genes confirmed two-wave inflammation in atherosclerosis and twin-peak inflammation in AAA; 4) DAMPs-stimulated VSMCs were innate immune cells as judged by the upregulation of innate immune genes and genes from 12 additional lists; 5) DAMPs-stimulated VSMCs increased trans-differentiation potential by upregulating not only some of 82 markers of 7 VSMC-plastic cell types, including fibroblast, osteogenic, myofibroblast, macrophage, adipocyte, foam cell, and mesenchymal cell, but also 18 new cell types (out of 79 human cell types with 8065 cell markers); 6) analysis of gene deficient transcriptomes indicated that the antioxidant transcription factor NRF2 suppresses, however, the other five inflammatory transcription factors and master regulators, including AHR, NF-KB, NOX (ROS enzyme), PERK, and SET7 promote the upregulation of twelve lists of innate immune genes in atherosclerosis, AAA, and DAMP-stimulated VSMCs; and 7) both SET7 and trained tolerance-promoting metabolite itaconate contributed to twin-peak upregulation of cytokines in AAA. Discussion Our findings have provided novel insights on the roles of innate immune responses and nuclear stresses in the development of AAA, atherosclerosis, and VSMC immunology and provided novel therapeutic targets for treating those significant cardiovascular and cerebrovascular diseases.
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Affiliation(s)
- Qiaoxi Yang
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
- Beloit College, Beloit, WI, United States
| | - Fatma Saaoud
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Yifan Lu
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Yujiang Pu
- College of Letters & Science, University of Wisconsin-Madison, Madison, WI, United States
| | - Keman Xu
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ying Shao
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaohua Jiang
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
- Center for Metabolic Disease Research and Thrombosis Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Sheng Wu
- Center for Metabolic Disease Research and Thrombosis Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ling Yang
- Department of Medical Genetics and Molecular Biochemistry, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ying Tian
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaolei Liu
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Avrum Gillespie
- Section of Nephrology, Hypertension, and Kidney Transplantation, Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Jin Jun Luo
- Department of Neurology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xinghua Mindy Shi
- Department of Computer and Information Sciences, College of Science and Technology at Temple University, Philadelphia, PA, United States
| | - Huaqing Zhao
- Center for Biostatistics and Epidemiology, Department of Biomedical Education and Data Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Laisel Martinez
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Roberto Vazquez-Padron
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Hong Wang
- Center for Metabolic Disease Research and Thrombosis Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaofeng Yang
- Lemole Center for Integrated Lymphatics and Vascular Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
- Center for Metabolic Disease Research and Thrombosis Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
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3
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Gekle M, Dubourg V, Schwerdt G, Benndorf RA, Schreier B. The role of EGFR in vascular AT1R signaling: From cellular mechanisms to systemic relevance. Biochem Pharmacol 2023; 217:115837. [PMID: 37777161 DOI: 10.1016/j.bcp.2023.115837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/02/2023]
Abstract
The epidermal growth factor receptor (EGFR) belongs to the ErbB-family of receptor tyrosine kinases that are of importance in oncology. During the last years, substantial evidence accumulated for a crucial role of EGFR concerning the action of the angiotensin II type 1 receptor (AT1R) in blood vessels, resulting form AT1R-induced EGFR transactivation. This transactivation occurs through the release of membrane-anchored EGFR-ligands, cytosolic tyrosine kinases, heterocomplex formation or enhanced ligand expression. AT1R-EGFR crosstalk amplifies the signaling response and enhances the biological effects of angiotensin II. Downstream signaling cascades include ERK1/2 and p38 MAPK, PLCγ and STAT. AT1R-induced EGFR activation contributes to vascular remodeling and hypertrophy via e.g. smooth muscle cell proliferation, migration and extracellular matrix production. EGFR transactivation results in increased vessel wall thickness and reduced vascular compliance. AT1R and EGFR signaling pathways are also implicated the induction of vascular inflammation. Again, EGFR transactivation exacerbates the effects, leading to endothelial dysfunction that contributes to vascular inflammation, dysfunction and remodeling. Dysregulation of the AT1R-EGFR axis has been implicated in the pathogenesis of various cardiovascular diseases and inhibition or prevention of EGFR signaling can attenuate part of the detrimental impact of enhanced renin-angiotensin-system (RAAS) activity, highlighting the importance of EGFR for the adverse consequences of AT1R activation. In summary, EGFR plays a critical role in vascular AT1R action, enhancing signaling, promoting remodeling, contributing to inflammation, and participating in the pathogenesis of cardiovascular diseases. Understanding the interplay between AT1R and EGFR will foster the development of effective therapeutic strategies of RAAS-induced disorders.
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Affiliation(s)
- Michael Gekle
- Julius-Bernstein-Institute of Physiology, Martin-Luther-University Halle-Wittenberg, Magdeburger Str. 6, D-06112 Halle (Saale), Germany.
| | - Virginie Dubourg
- Julius-Bernstein-Institute of Physiology, Martin-Luther-University Halle-Wittenberg, Magdeburger Str. 6, D-06112 Halle (Saale), Germany
| | - Gerald Schwerdt
- Julius-Bernstein-Institute of Physiology, Martin-Luther-University Halle-Wittenberg, Magdeburger Str. 6, D-06112 Halle (Saale), Germany
| | - Ralf A Benndorf
- Institute of Pharmacy, Martin-Luther-University, Halle, Germany
| | - Barbara Schreier
- Julius-Bernstein-Institute of Physiology, Martin-Luther-University Halle-Wittenberg, Magdeburger Str. 6, D-06112 Halle (Saale), Germany
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4
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Roychowdhury T, Klarin D, Levin MG, Spin JM, Rhee YH, Deng A, Headley CA, Tsao NL, Gellatly C, Zuber V, Shen F, Hornsby WE, Laursen IH, Verma SS, Locke AE, Einarsson G, Thorleifsson G, Graham SE, Dikilitas O, Pattee JW, Judy RL, Pauls-Verges F, Nielsen JB, Wolford BN, Brumpton BM, Dilmé J, Peypoch O, Juscafresa LC, Edwards TL, Li D, Banasik K, Brunak S, Jacobsen RL, Garcia-Barrio MT, Zhang J, Rasmussen LM, Lee R, Handa A, Wanhainen A, Mani K, Lindholt JS, Obel LM, Strauss E, Oszkinis G, Nelson CP, Saxby KL, van Herwaarden JA, van der Laan SW, van Setten J, Camacho M, Davis FM, Wasikowski R, Tsoi LC, Gudjonsson JE, Eliason JL, Coleman DM, Henke PK, Ganesh SK, Chen YE, Guan W, Pankow JS, Pankratz N, Pedersen OB, Erikstrup C, Tang W, Hveem K, Gudbjartsson D, Gretarsdottir S, Thorsteinsdottir U, Holm H, Stefansson K, Ferreira MA, Baras A, Kullo IJ, Ritchie MD, Christensen AH, Iversen KK, Eldrup N, Sillesen H, Ostrowski SR, Bundgaard H, Ullum H, Burgess S, Gill D, Gallagher K, Sabater-Lleal M, Surakka I, Jones GT, Bown MJ, Tsao PS, Willer CJ, Damrauer SM. Genome-wide association meta-analysis identifies risk loci for abdominal aortic aneurysm and highlights PCSK9 as a therapeutic target. Nat Genet 2023; 55:1831-1842. [PMID: 37845353 PMCID: PMC10632148 DOI: 10.1038/s41588-023-01510-y] [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: 07/05/2022] [Accepted: 08/22/2023] [Indexed: 10/18/2023]
Abstract
Abdominal aortic aneurysm (AAA) is a common disease with substantial heritability. In this study, we performed a genome-wide association meta-analysis from 14 discovery cohorts and uncovered 141 independent associations, including 97 previously unreported loci. A polygenic risk score derived from meta-analysis explained AAA risk beyond clinical risk factors. Genes at AAA risk loci indicate involvement of lipid metabolism, vascular development and remodeling, extracellular matrix dysregulation and inflammation as key mechanisms in AAA pathogenesis. These genes also indicate overlap between the development of AAA and other monogenic aortopathies, particularly via transforming growth factor β signaling. Motivated by the strong evidence for the role of lipid metabolism in AAA, we used Mendelian randomization to establish the central role of nonhigh-density lipoprotein cholesterol in AAA and identified the opportunity for repurposing of proprotein convertase, subtilisin/kexin-type 9 (PCSK9) inhibitors. This was supported by a study demonstrating that PCSK9 loss of function prevented the development of AAA in a preclinical mouse model.
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Affiliation(s)
- Tanmoy Roychowdhury
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA.
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA.
| | - Derek Klarin
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
| | - Michael G Levin
- Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Joshua M Spin
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Yae Hyun Rhee
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Alicia Deng
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Colwyn A Headley
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Noah L Tsao
- Department of Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Corry Gellatly
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
| | - Verena Zuber
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
- MRC Centre for Environment and Health, School of Public Health, Imperial College London, London, UK
- UK Dementia Research Institute at Imperial College, Imperial College London, London, UK
| | - Fred Shen
- University of Michigan Medical Scientist Training Program, University of Michigan, Ann Arbor, MI, USA
| | - Whitney E Hornsby
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Ina Holst Laursen
- Department of Clinical Immunology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Shefali S Verma
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, Philadelphia, PA, USA
| | - Adam E Locke
- Regeneron Genetics Center, LLC, Tarrytown, NY, USA
| | | | | | - Sarah E Graham
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Ozan Dikilitas
- Department of Internal Medicine, Mayo Clinic Rochester, Rochester, MN, USA
- Department of Cardiovascular Medicine and the Gonda Vascular Center, Mayo Clinic Rochester, Rochester, MN, USA
- Mayo Clinician Investigator Training Program, Mayo Clinic Rochester, Rochester, MN, USA
| | | | - Renae L Judy
- Department of Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Ferran Pauls-Verges
- Unit of Genomics of Complex Diseases, Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
| | - Jonas B Nielsen
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Levanger, Norway
| | - Brooke N Wolford
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
| | - Ben M Brumpton
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Levanger, Norway
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Jaume Dilmé
- Department of Vascular and Endovascular Surgery, Hospital de la Santa Creu i Sant Pau, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Olga Peypoch
- Unit of Genomics of Complex Diseases, Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Department of Vascular and Endovascular Surgery, Hospital de la Santa Creu i Sant Pau, Universitat Autonoma de Barcelona, Barcelona, Spain
| | | | - Todd L Edwards
- Division of Epidemiology, Department of Medicine, Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dadong Li
- Regeneron Genetics Center, LLC, Tarrytown, NY, USA
| | - Karina Banasik
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Søren Brunak
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rikke L Jacobsen
- Department of Clinical Immunology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Minerva T Garcia-Barrio
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Jifeng Zhang
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Lars M Rasmussen
- Department of Clinical Biochemistry, Odense University Hospital, Elite Research Centre of Individualized Medicine in Arterial Disease (CIMA), Odense, Denmark
| | - Regent Lee
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Ashok Handa
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Anders Wanhainen
- Department of Surgical Sciences, Vascular Surgery, Uppsala University, Uppsala, Sweden
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Umeå, Sweden
| | - Kevin Mani
- Department of Surgical Sciences, Vascular Surgery, Uppsala University, Uppsala, Sweden
| | - Jes S Lindholt
- Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Elite Research Centre of Individualized Medicine in Arterial Disease (CIMA), Odense, Denmark
| | - Lasse M Obel
- Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Elite Research Centre of Individualized Medicine in Arterial Disease (CIMA), Odense, Denmark
| | - Ewa Strauss
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
- Department of General and Vascular Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Grzegorz Oszkinis
- Department of General and Vascular Surgery, Poznan University of Medical Sciences, Poznan, Poland
- Department of Vascular and General Surgery, Institute of Medical Sciences, University of Opole, Opole, Poland
| | - Christopher P Nelson
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
| | - Katie L Saxby
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
| | - Joost A van Herwaarden
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Sander W van der Laan
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Jessica van Setten
- Department of Cardiology, Division Heart and Lungs, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Mercedes Camacho
- Unit of Genomics of Complex Diseases, Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
| | - Frank M Davis
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Rachael Wasikowski
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Lam C Tsoi
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Johann E Gudjonsson
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jonathan L Eliason
- Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Dawn M Coleman
- Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Peter K Henke
- Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Santhi K Ganesh
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Y Eugene Chen
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - James S Pankow
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Nathan Pankratz
- Department of Laboratory Medicine and Pathology, School of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Ole B Pedersen
- Department of Clinical Immunology, Zealand University Hospital-Køge, Køge, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Weihong Tang
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Kristian Hveem
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Levanger, Norway
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
| | - Daniel Gudbjartsson
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- School of Engineering and Natural Sciences, University of Iceland, Reykjavik, Iceland
| | | | - Unnur Thorsteinsdottir
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Hilma Holm
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
| | - Kari Stefansson
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | | | - Aris Baras
- Regeneron Genetics Center, LLC, Tarrytown, NY, USA
| | - Iftikhar J Kullo
- Department of Cardiovascular Medicine and the Gonda Vascular Center, Mayo Clinic Rochester, Rochester, MN, USA
| | - Marylyn D Ritchie
- Department of Genetics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Alex H Christensen
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Cardiology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Department of Cardiology, Herlev-Gentofte Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Kasper K Iversen
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Cardiology, Herlev-Gentofte Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Nikolaj Eldrup
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Vascular Surgery, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Henrik Sillesen
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sisse R Ostrowski
- Department of Clinical Immunology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Henning Bundgaard
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Cardiology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | | | - Stephen Burgess
- MRC Biostatistics Unit, School of Clinical Medicine, University of Cambridge, Cambridge, UK
- Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Dipender Gill
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
- Chief Scientific Advisor Office, Research and Early Development, Novo Nordisk, Copenhagen, Denmark
| | - Katherine Gallagher
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Maria Sabater-Lleal
- Unit of Genomics of Complex Diseases, Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Cardiovascular Medicine Unit, Department of Medicine, Karolinska Institutet, Center for Molecular Medicine, Stockholm, Sweden
| | - Ida Surakka
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Gregory T Jones
- Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Matthew J Bown
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
| | - Philip S Tsao
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Cristen J Willer
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA.
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA.
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA.
| | - Scott M Damrauer
- Department of Surgery, Corporal Michael Crescenz VA Medical Center, Philadelphia, PA, USA.
- Department of Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
- Department of Genetics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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LOX-1 deficiency increases ruptured abdominal aortic aneurysm via thinning of adventitial collagen. Hypertens Res 2023; 46:63-74. [PMID: 36385349 DOI: 10.1038/s41440-022-01093-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 10/31/2022] [Indexed: 11/17/2022]
Abstract
Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is a key mediator of inflammation and plays an important role in the pathogenesis of atherosclerosis. Conversely, LOX-1 deficiency has been shown to decrease inflammation and atherosclerosis, both of which have been proposed to contribute to abdominal aortic aneurysm (AAA) pathogenesis. However, the role of LOX-1 in AAA pathogenesis remains unknown. Here, we investigated the effects of Olr1 (which encodes LOX-1) deletion on angiotensin II (Ang II)-induced AAA in apolipoprotein E knockout (ApoE KO) mice to determine whether LOX-1 deficiency mitigates AAA development. To accomplish this, we used serial, non-invasive ultrasound assessment, which revealed that the incidence and expansion rate of AAA were similar regardless of Olr1 deletion. However, Olr1 deletion significantly increased severe AAAs, including ruptured AAAs resulting in death. Oil Red O staining of the harvested aortas showed that the extent of atheroma burden localized in aneurysmal lesions did not differ between LOX-1-deficient and control mice, suggesting that Olr1 deletion did not decrease atheroma burden in the aneurysmal wall. Further histopathological analysis revealed that aneurysmal lesions in LOX-1-deficient mice had fewer fibroblasts and myofibroblasts, as well as thinner adventitial collagen, although the degree of elastin fragmentation or disruption was similar between LOX-1-deficient and control mice. An in vitro study confirmed that the proliferation of adventitial fibroblasts collected from LOX-1-deficient mice was significantly attenuated despite Ang II stimulation. In conclusion, Olr1 deletion may not mitigate aneurysm development but rather increases the vulnerability of rupture by suppressing adventitial fibroblast proliferation and collagen synthesis.
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Cheng S, Liu Y, Jing Y, Jiang B, Wang D, Chu X, Jia L, Xin S. Identification of key monocytes/macrophages related gene set of the early-stage abdominal aortic aneurysm by integrated bioinformatics analysis and experimental validation. Front Cardiovasc Med 2022; 9:950961. [PMID: 36186997 PMCID: PMC9515382 DOI: 10.3389/fcvm.2022.950961] [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: 05/23/2022] [Accepted: 08/25/2022] [Indexed: 11/29/2022] Open
Abstract
Objective Abdominal aortic aneurysm (AAA) is a lethal peripheral vascular disease. Inflammatory immune cell infiltration is a central part of the pathogenesis of AAA. It’s critical to investigate the molecular mechanisms underlying immune infiltration in early-stage AAA and look for a viable AAA marker. Methods In this study, we download several mRNA expression datasets and scRNA-seq datasets of the early-stage AAA models from the NCBI-GEO database. mMCP-counter and CIBERSORT were used to assess immune infiltration in early-stage experimental AAA. The scRNA-seq datasets were then utilized to analyze AAA-related gene modules of monocytes/macrophages infiltrated into the early-stage AAA by Weighted Correlation Network analysis (WGCNA). After that, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) functional enrichment analysis for the module genes was performed by ClusterProfiler. The STRING database was used to create the protein-protein interaction (PPI) network. The Differentially Expressed Genes (DEGs) of the monocytes/macrophages were explored by Limma-Voom and the key gene set were identified. Then We further examined the expression of key genes in the human AAA dataset and built a logistic diagnostic model for distinguishing AAA patients and healthy people. Finally, real-time quantitative polymerase chain reaction (RT-qPCR) and Enzyme Linked Immunosorbent Assay (ELISA) were performed to validate the gene expression and serum protein level between the AAA and healthy donor samples in our cohort. Results Monocytes/macrophages were identified as the major immune cells infiltrating the early-stage experimental AAA. After pseudocell construction of monocytes/macrophages from scRNA-seq datasets and WGCNA analysis, four gene modules from two datasets were identified positively related to AAA, mainly enriched in Myeloid Leukocyte Migration, Collagen-Containing Extracellular matrix, and PI3K-Akt signaling pathway by functional enrichment analysis. Thbs1, Clec4e, and Il1b were identified as key genes among the hub genes in the modules, and the high expression of Clec4e, Il1b, and Thbs1 was confirmed in the other datasets. Then, in human AAA transcriptome datasets, the high expression of CLEC4E, IL1B was confirmed and a logistic regression model based on the two gene expressions was built, with an AUC of 0.9 in the train set and 0.79 in the validated set. Additionally, in our cohort, we confirmed the increased serum protein levels of IL-1β and CLEC4E in AAA patients as well as the increased expression of these two genes in AAA aorta samples. Conclusion This study identified monocytes/macrophages as the main immune cells infiltrated into the early-stage AAA and constructed a logistic regression model based on monocytes/macrophages related gene set. This study could aid in the early diagnostic of AAA.
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Affiliation(s)
- Shuai Cheng
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Yuanlin Liu
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Yuchen Jing
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Bo Jiang
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Ding Wang
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Xiangyu Chu
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Longyuan Jia
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
| | - Shijie Xin
- Department of Vascular and Thyroid Surgery, The First Hospital, China Medical University, Shenyang, China
- Key Laboratory of Pathogenesis, Prevention, and Therapeutics of Aortic Aneurysm in Liaoning Province, Shenyang, China
- Regenerative Medicine Research Center of China Medical University, Shenyang, China
- *Correspondence: Shijie Xin,
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Li Z, Cong X, Kong W. Matricellular proteins: Potential biomarkers and mechanistic factors in aortic aneurysms. J Mol Cell Cardiol 2022; 169:41-56. [DOI: 10.1016/j.yjmcc.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/30/2022] [Accepted: 05/03/2022] [Indexed: 10/18/2022]
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Teng B, Xie C, Zhao Y, Zeng Q, Zhan F, Feng Y, Wang Z. Identification of MEDAG and SERPINE1 Related to Hypoxia in Abdominal Aortic Aneurysm Based on Weighted Gene Coexpression Network Analysis. Front Physiol 2022; 13:926508. [PMID: 35874515 PMCID: PMC9301186 DOI: 10.3389/fphys.2022.926508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose: Abdominal aortic aneurysm (AAA) is a severe cardiovascular disease that often results in high mortality due to sudden rupture. This paper aims to explore potential molecular mechanisms and effective targeted therapies to prevent and delay AAA rupture. Methods: We downloaded two microarray datasets (GSE98278 and GSE17901) from the Gene Expression Omnibus (GEO) database. Differential analysis and single-sample gene set enrichment analysis (ssGSEA) of hypoxia scores were performed on 48 AAA patients in GSE98278. We identified hypoxia- and ruptured AAA-related gene modules using weighted gene coexpression network analysis (WGCNA). Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed using the R package clusterProfiler. For candidate genes, validation was conducted on the mouse dataset GSE17901. Finally, we predicted drug candidates associated with the hub genes using the HERB Chinese medicine database. Results: Eighty-two differentially expressed genes were screened in the ruptured and stable groups; 103 differentially expressed genes were identified between the high- and low-hypoxia groups; and WGCNA identified 58 differentially expressed genes. Finally, nine candidate genes were screened, including two hub genes (MEDAG and SERPINE1). We identified pathways such as cytokine-cytokine receptor interaction and T-helper 1-type immune response involved in AAA hypoxia and rupture. We predicted 93 traditional Chinese medicines (TCMs) associated with MEDAG and SERPINE1. Conclusion: We identified the hypoxic molecules MEDAG and SERPINE1 associated with AAA rupture. Our study provides an additional direction for the association between hypoxia and AAA rupture.
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Affiliation(s)
- Biyun Teng
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chaozheng Xie
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yu Zhao
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qiu Zeng
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Fangbiao Zhan
- Department of Orthopedics, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Yangyang Feng
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhe Wang
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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9
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Kilic T, Okuno K, Eguchi S, Kassiri Z. Disintegrin and Metalloproteinases (ADAMs [A Disintegrin and Metalloproteinase] and ADAMTSs [ADAMs With a Thrombospondin Motif]) in Aortic Aneurysm. Hypertension 2022; 79:1327-1338. [PMID: 35543145 DOI: 10.1161/hypertensionaha.122.17963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aortic aneurysm is a complex pathology that can be lethal if not detected in time. Although several molecular mechanisms and pathways have been identified to be involved in aortic aneurysm development and growth, the current lack of an effective pharmacological treatment highlights the need for a more thorough understanding of the factors that regulate the remodeling of the aortic wall in response to triggers that lead to aneurysm formation. This task is further complicated by the regional heterogeneity of the aorta and that thoracic and abdominal aortic aneurysm are distinct pathologies with different risk factors and distinct course of progression. ADAMs (a disintegrin and metalloproteinases) and ADAMTS (ADAMs with a thrombospondin motif) are proteinases that share similarities with other proteinases but possess unique and diverse properties that place them in a category of their own. In this review, we discuss what is known on how ADAMs and ADAMTSs are altered in abdominal aortic aneurysm and thoracic aortic aneurysm in patients, in different animal models, and their role in regulating the function of different vascular and inflammatory cell types. A full understanding of the role of ADAMs and ADAMTSs in aortic aneurysm will help reveal a more complete understanding of the underlying mechanism driving aneurysm formation, which will help towards developing an effective treatment in preventing or limiting the growth of aortic aneurysm.
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Affiliation(s)
- Tolga Kilic
- Department of Physiology, Cardiovascular Research Center, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada (T.K., Z.K.)
| | - Keisuke Okuno
- Cardiovascular Research Center and Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (K.O., S.E.)
| | - Satoru Eguchi
- Cardiovascular Research Center and Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (K.O., S.E.)
| | - Zamaneh Kassiri
- Department of Physiology, Cardiovascular Research Center, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada (T.K., Z.K.)
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Wang Q, Li N, Guo X, Huo B, Li R, Feng X, Fang Z, Zhu XH, Wang Y, Yi X, Wei X, Jiang DS. Comprehensive analysis identified a reduction in ATP1A2 mediated by ARID3A in abdominal aortic aneurysm. J Cell Mol Med 2022; 26:2866-2880. [PMID: 35441443 PMCID: PMC9097831 DOI: 10.1111/jcmm.17301] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/02/2022] [Accepted: 03/18/2022] [Indexed: 12/17/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is characterized by abdominal aorta dilatation and progressive structural impairment and is usually an asymptomatic and potentially lethal disease with a risk of rupture. To investigate the underlying mechanisms of AAA initiation and progression, seven AAA datasets related to human and mice were downloaded from the GEO database and reanalysed in the present study. After comprehensive bioinformatics analysis, we identified the enriched pathways associated with inflammation responses, vascular smooth muscle cell (VSMC) phenotype switching and cytokine secretion in AAA. Most importantly, we identified ATPase Na+/K+ transporting subunit alpha 2 (ATP1A2) as a key gene that was significantly decreased in AAA samples of both human and mice; meanwhile, its reduction mainly occurred in VSMCs of the aorta; this finding was validated by immunostaining and Western blot in human and mouse AAA samples. Furthermore, we explored the potential upstream transcription factors (TFs) that regulate ATP1A2 expression. We found that the TF AT‐rich interaction domain 3A (ARID3A) bound the promoter of ATP1A2 to suppress its expression. Our present study identified the ARID3A‐ATP1A2 axis as a novel pathway in the pathological processes of AAA, further elucidating the molecular mechanism of AAA and providing potential therapeutic targets for AAA.
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Affiliation(s)
- Qunhui Wang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Na Li
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xian Guo
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Bo Huo
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Rui Li
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xin Feng
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zemin Fang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xue-Hai Zhu
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
| | - Yixiang Wang
- Clinical medical College, Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiang Wei
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
| | - Ding-Sheng Jiang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
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11
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Mackay CDA, Jadli AS, Fedak PWM, Patel VB. Adventitial Fibroblasts in Aortic Aneurysm: Unraveling Pathogenic Contributions to Vascular Disease. Diagnostics (Basel) 2022; 12:diagnostics12040871. [PMID: 35453919 PMCID: PMC9025866 DOI: 10.3390/diagnostics12040871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/15/2022] [Accepted: 03/28/2022] [Indexed: 12/21/2022] Open
Abstract
Aortic aneurysm (AA) is a degenerative vascular disease that involves aortic dilatation, and, if untreated, it can lead to rupture. Despite its significant impact on the healthcare system, its multifactorial nature and elusive pathophysiology contribute to limited therapeutic interventions that prevent the progression of AA. Thus, further research into the mechanisms underlying AA is paramount. Adventitial fibroblasts are one of the key constituents of the aortic wall, and they play an essential role in maintaining vessel structure and function. However, adventitial fibroblasts remain understudied when compared with endothelial cells and smooth muscle cells. Adventitial fibroblasts facilitate the production of extracellular matrix (ECM), providing structural integrity. However, during biomechanical stress and/or injury, adventitial fibroblasts can be activated into myofibroblasts, which move to the site of injury and secrete collagen and cytokines, thereby enhancing the inflammatory response. The overactivation or persistence of myofibroblasts has been shown to initiate pathological vascular remodeling. Therefore, understanding the underlying mechanisms involved in the activation of fibroblasts and in regulating myofibroblast activation may provide a potential therapeutic target to prevent or delay the progression of AA. This review discusses mechanistic insights into myofibroblast activation and associated vascular remodeling, thus illustrating the contribution of fibroblasts to the pathogenesis of AA.
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Affiliation(s)
- Cameron D. A. Mackay
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; (C.D.A.M.); (A.S.J.)
- Libin Cardiovascular Institute, University of Calgary, 3330 Hospital Drive NW HMRB-G71, Calgary, AB T2N 4N1, Canada;
| | - Anshul S. Jadli
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; (C.D.A.M.); (A.S.J.)
- Libin Cardiovascular Institute, University of Calgary, 3330 Hospital Drive NW HMRB-G71, Calgary, AB T2N 4N1, Canada;
| | - Paul W. M. Fedak
- Libin Cardiovascular Institute, University of Calgary, 3330 Hospital Drive NW HMRB-G71, Calgary, AB T2N 4N1, Canada;
- Section of Cardiac Surgery, Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Vaibhav B. Patel
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; (C.D.A.M.); (A.S.J.)
- Libin Cardiovascular Institute, University of Calgary, 3330 Hospital Drive NW HMRB-G71, Calgary, AB T2N 4N1, Canada;
- Correspondence: or ; Tel.: +1-(403)-220-3446
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12
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Pothen L, Verdoy R, De Mulder D, Esfahani H, Farah C, Michel LYM, Dei Zotti F, Bearzatto B, Ambroise J, Bouzin C, Dessy C, Balligand JL. Sustained Downregulation of Vascular Smooth Muscle Acta2 After Transient Angiotensin II Infusion: A New Model of "Vascular Memory". Front Cardiovasc Med 2022; 9:854361. [PMID: 35360022 PMCID: PMC8964264 DOI: 10.3389/fcvm.2022.854361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/14/2022] [Indexed: 11/19/2022] Open
Abstract
Background Activation of the renin-angiotensin-aldosterone system (RAAS) plays a critical role in the development of hypertension. Published evidence on a putative "memory effect" of AngII on the vascular components is however scarce. Aim To evaluate the long-term effects of transient exposure to AngII on the mouse heart and the arterial tissue. Methods Blood pressure, cardiovascular tissue damage and remodeling, and systemic oxidative stress were evaluated in C57/B6/J mice at the end of a 2-week AngII infusion (AngII); 2 and 3 weeks after the interruption of a 2-week AngII treatment (AngII+2W and AngII +3W; so-called "memory" conditions) and control littermate (CTRL). RNAseq profiling of aortic tissues was used to identify potential key regulated genes accounting for legacy effects on the vascular phenotype. RNAseq results were validated by RT-qPCR and immunohistochemistry in a reproduction cohort of mice. Key findings were reproduced in a homotypic cell culture model. Results The 2 weeks AngII infusion induced cardiac hypertrophy and aortic damage that persisted beyond AngII interruption and despite blood pressure normalization, with a sustained vascular expression of ICAM1, infiltration by CD45+ cells, and cell proliferation associated with systemic oxidative stress. RNAseq profiling in aortic tissue identified robust Acta2 downregulation at transcript and protein levels (α-smooth muscle actin) that was maintained beyond interruption of AngII treatment. Among regulators of Acta2 expression, the transcription factor Myocardin (Myocd), exhibited a similar expression pattern. The sustained downregulation of Acta2 and Myocd was associated with an increase in H3K27me3 in nuclei of aortic sections from mice in the "memory" conditions. A sustained downregulation of ACTA2 and MYOCD was reproduced in the cultured human aortic vascular smooth muscle cells upon transient exposure to Ang II. Conclusion A transient exposure to Ang II produces prolonged vascular remodeling with robust ACTA2 downregulation, associated with epigenetic imprinting supporting a "memory" effect despite stimulus withdrawal.
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Affiliation(s)
- Lucie Pothen
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Roxane Verdoy
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Delphine De Mulder
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Hrag Esfahani
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Charlotte Farah
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Lauriane Y. M. Michel
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Flavia Dei Zotti
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Bertrand Bearzatto
- Institute of Experimental and Clinical Research (IREC), Centre des Technologies Moléculaires Appliquées (CTMA), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Jerome Ambroise
- Institute of Experimental and Clinical Research (IREC), Centre des Technologies Moléculaires Appliquées (CTMA), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Caroline Bouzin
- Institute of Experimental and Clinical Research (IREC), Imaging Platform (2IP), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Chantal Dessy
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Jean-Luc Balligand
- Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology and Therapeutics (FATH), Cliniques Universitaires St-Luc and Université Catholique de Louvain (UCLouvain), Brussels, Belgium
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Balogh M, Janjic JM, Shepherd AJ. Targeting Neuroimmune Interactions in Diabetic Neuropathy with Nanomedicine. Antioxid Redox Signal 2022; 36:122-143. [PMID: 34416821 PMCID: PMC8823248 DOI: 10.1089/ars.2021.0123] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Significance: Diabetes is a major source of neuropathy and neuropathic pain that is set to continue growing in prevalence. Diabetic peripheral neuropathy (DPN) and pain associated with diabetes are not adequately managed by current treatment regimens. Perhaps the greatest difficulty in treating DPN is the complex pathophysiology, which involves aspects of metabolic disruption and neurotrophic deficits, along with neuroimmune interactions. There is, therefore, an urgent need to pursue novel therapeutic options targeting the key cellular and molecular players. Recent Advances: To that end, cellular targeting becomes an increasingly compelling drug delivery option as our knowledge of neuroimmune interactions continues to mount. These nanomedicine-based approaches afford a potentially unparalleled specificity and longevity of drug targeting, using novel or established compounds, all while minimizing off-target effects. Critical Issues: The DPN therapeutics directly targeted at the nervous system make up the bulk of currently available treatment options. However, there are significant opportunities based on the targeting of non-neuronal cells and neuroimmune interactions in DPN. Future Directions: Nanomedicine-based agents represent an exciting opportunity for the treatment of DPN with the goals of improving the efficacy and safety profile of analgesia, as well as restoring peripheral neuroregenerative capacity. Antioxid. Redox Signal. 36, 122-143.
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Affiliation(s)
- Mihály Balogh
- Division of Internal Medicine, Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jelena M Janjic
- Graduate School of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania, USA
| | - Andrew J Shepherd
- Division of Internal Medicine, Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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Bayer AL, Alcaide P. MyD88: At the heart of inflammatory signaling and cardiovascular disease. J Mol Cell Cardiol 2021; 161:75-85. [PMID: 34371036 PMCID: PMC8629847 DOI: 10.1016/j.yjmcc.2021.08.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 12/20/2022]
Abstract
Cardiovascular disease is a leading cause of death worldwide and is associated with systemic inflammation. In depth study of the cell-specific signaling mechanisms mediating the inflammatory response is vital to improving anti-inflammatory therapies that reduce mortality and morbidity. Cellular damage in the cardiovascular system results in the release of damage associated molecular patterns (DAMPs), also known as "alarmins," which activate myeloid cells through the adaptor protein myeloid differentiation primary response 88 (MyD88). MyD88 is broadly expressed in most cell types of the immune and cardiovascular systems, and its role often differs in a cardiovascular disease context and cell specific manner. Herein we review what is known about MyD88 in the setting of a variety of cardiovascular diseases, discussing cell specific functions and the relative contributions of MyD88-dependent vs. independent alarmin triggered inflammatory signaling. The widespread involvement of these pathways in cardiovascular disease, and their largely unexplored complexity, sets the stage for future in depth mechanistic studies that may place MyD88 in both immune and non-immune cell types as an attractive target for therapeutic intervention in cardiovascular disease.
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Affiliation(s)
- Abraham L Bayer
- Department of Immunology, Tufts University School of Medicine. 136 Harrison Ave, Boston, MA 02111, United States of America.
| | - Pilar Alcaide
- Department of Immunology, Tufts University School of Medicine. 136 Harrison Ave, Boston, MA 02111, United States of America.
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15
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Zhou Z, Zhou H, Zou X, Wang X. RUNX3 is up-regulated in abdominal aortic aneurysm and regulates the function of vascular smooth muscle cells by regulating TGF-β1. J Mol Histol 2021; 53:1-11. [PMID: 34813022 DOI: 10.1007/s10735-021-10035-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 10/23/2021] [Indexed: 02/06/2023]
Abstract
Abdominal aortic aneurysm (AAA) has been associated with the dysfunction of vascular smooth muscle cells (VSMCs) and extracellular matrix (ECM) remodelling. Runt-related transcription factor 3 (RUNX3) has been reported to be up-regulated in aneurysmal aorta samples compared with normal aorta. However, its function in VSMCs and the mechanism of function remains unknown. Therefore, our study aimed to investigate the role of RUNX3 in ECM remodelling and VSMC function, and further explore the underlying mechanism. Our results verified that RUNX3 was increased in aortic samples of AAA compared with healthy controls. Overexpression vectors of RUNX3 (ov-RUNX3) and siRNA of RUNX3 (si-RUNX3) were transfected into Human aortic smooth muscle cells (HAoSMCs). The results indicated that ov-RUNX3 promoted cell proliferation, migration, and MMP-2/3/9 secretion, and suppressed TIMP-1, collagen I/III, SM22, MYH11 and CNN1 expression in HAoSMCs. The silencing of RUNX3 has the opposite effect. Furthermore, we found that RUNX3 targets TGF-β1 and suppressed its transcription. The silencing of TGF-β1 increased cell proliferation, migration and MMP-2/3/9 expression, and inhibited TIMP-1, Collagen I/III, SM22, MYH11 and CNN1 expression. In addition, TGF-β1 reversed the effect of RUNX3 overexpression on HAoSMCs. Hence, our study indicated that RUNX3 promotes cell proliferation, migration, and ECM remodelling through suppressing TGF-β1.
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Affiliation(s)
- Zhongxiao Zhou
- Department of Vascular Surgery, Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, No. 70 Heping Road, Huancui District, Weihai, 264200, China
| | - Haimeng Zhou
- Department of Vascular Surgery, Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, No. 70 Heping Road, Huancui District, Weihai, 264200, China.
| | - Xin Zou
- Department of Vascular Surgery, Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, No. 70 Heping Road, Huancui District, Weihai, 264200, China
| | - Xiaowei Wang
- Department of Vascular Surgery, Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, No. 70 Heping Road, Huancui District, Weihai, 264200, China
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16
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Aberrant Mitochondrial Dynamics: An Emerging Pathogenic Driver of Abdominal Aortic Aneurysm. Cardiovasc Ther 2021; 2021:6615400. [PMID: 34221126 PMCID: PMC8221877 DOI: 10.1155/2021/6615400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 05/13/2021] [Accepted: 06/02/2021] [Indexed: 12/12/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is defined as a progressive segmental dilation of the abdominal aorta and is associated with high mortality. The characterized features of AAA indicate several underlying mechanisms of AAA formation and progression, including reactive oxygen species production, inflammation, and atherosclerosis. Mitochondrial functions are critical for determining cell fate, and mitochondrial dynamics, especially selective mitochondrial autophagy, which is termed as mitophagy, has emerged as an important player in the pathogenesis of several cardiovascular diseases. The PARKIN/PARIS/PGC1α pathway is associated with AAA formation and has been proposed to play a role in mitochondrial dynamics mediated by the PINK/PARKIN pathway in the pathogenesis underlying AAA. This review is aimed at deepening our understanding of AAA formation and progression, which is vital for the development of potential medical therapies for AAA.
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Summerhill VI, Sukhorukov VN, Eid AH, Nedosugova LV, Sobenin IA, Orekhov AN. Pathophysiological Aspects of the Development of Abdominal Aortic Aneurysm with a Special Focus on Mitochondrial Dysfunction and Genetic Associations. Biomol Concepts 2021; 12:55-67. [PMID: 34115932 DOI: 10.1515/bmc-2021-0007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 04/28/2021] [Indexed: 01/01/2023] Open
Abstract
Abdominal aortic aneurysm (AAA) is a complex degenerative vascular disease, with considerable morbidity and mortality rates among the elderly population. The mortality of AAA is related to aneurysm expansion (the enlargement of the aortic diameter up to 30 mm and above) and the subsequent rupture. The pathogenesis of AAA involves several biological processes, including aortic mural inflammation, oxidative stress, vascular smooth muscle cell apoptosis, elastin depletion, and degradation of the extracellular matrix. Mitochondrial dysfunction was also found to be associated with AAA formation. The evidence accumulated to date supports a close relationship between environmental and genetic factors in AAA initiation and progression. However, a comprehensive pathophysiological understanding of AAA formation remains incomplete. The open surgical repair of AAA is the only therapeutic option currently available, while a specific pharmacotherapy is still awaited. Therefore, there is a great need to clarify pathophysiological cellular and molecular mechanisms underlying AAA formation that would help to develop effective pharmacological therapies. In this review, pathophysiological aspects of AAA development with a special focus on mitochondrial dysfunction and genetic associations were discussed.
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Affiliation(s)
- Volha I Summerhill
- Department of Basic Research, Institute for Atherosclerosis Research, Moscow 121609, Russia
| | - Vasily N Sukhorukov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Research Institute of Human Morphology, 3 Tsyurupa Street, Moscow 117418, Russia
| | - Ali H Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar.,Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, PO Box 2713, Doha, Qatar.,Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, PO Box 11-0236, Beirut-Lebanon
| | - Ludmila V Nedosugova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubenskaya Street, Moscow 119991, Russia
| | - Igor A Sobenin
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Research Institute of Human Morphology, 3 Tsyurupa Street, Moscow 117418, Russia.,Laboratory of Medical Genetics, National Medical Research Center of Cardiology, 15A 3-rd Cherepkovskaya Street, Moscow 121552, Russia.,Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia
| | - Alexander N Orekhov
- Department of Basic Research, Institute for Atherosclerosis Research, Moscow 121609, Russia.,Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Research Institute of Human Morphology, 3 Tsyurupa Street, Moscow 117418, Russia
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18
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Weighted Gene Co-Expression Network Analysis Reveals Key Genes and Potential Drugs in Abdominal Aortic Aneurysm. Biomedicines 2021; 9:biomedicines9050546. [PMID: 34068179 PMCID: PMC8152975 DOI: 10.3390/biomedicines9050546] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a prevalent aortic disease that causes high mortality due to asymptomatic gradual expansion and sudden rupture. The underlying molecular mechanisms and effective pharmaceutical therapy for preventing AAA progression have not been fully identified. In this study, we identified the key modules and hub genes involved in AAA growth from the GSE17901 dataset in the Gene Expression Omnibus (GEO) database through the weighted gene co-expression network analysis (WGCNA). Key genes were further selected and validated in the mouse dataset (GSE12591) and human datasets (GSE7084, GSE47472, and GSE57691). Finally, we predicted drug candidates targeting key genes using the Drug-Gene Interaction database. Overall, we identified key modules enriched in the mitotic cell cycle, GTPase activity, and several metabolic processes. Seven key genes (CCR5, ADCY5, ADCY3, ACACB, LPIN1, ACSL1, UCP3) related to AAA progression were identified. A total of 35 drugs/compounds targeting the key genes were predicted, which may have the potential to prevent AAA progression.
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19
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Kawai T, Elliott KJ, Scalia R, Eguchi S. Contribution of ADAM17 and related ADAMs in cardiovascular diseases. Cell Mol Life Sci 2021; 78:4161-4187. [PMID: 33575814 PMCID: PMC9301870 DOI: 10.1007/s00018-021-03779-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/23/2020] [Accepted: 01/27/2021] [Indexed: 02/06/2023]
Abstract
A disintegrin and metalloproteases (ADAMs) are key mediators of cell signaling by ectodomain shedding of various growth factors, cytokines, receptors and adhesion molecules at the cellular membrane. ADAMs regulate cell proliferation, cell growth, inflammation, and other regular cellular processes. ADAM17, the most extensively studied ADAM family member, is also known as tumor necrosis factor (TNF)-α converting enzyme (TACE). ADAMs-mediated shedding of cytokines such as TNF-α orchestrates immune system or inflammatory cascades and ADAMs-mediated shedding of growth factors causes cell growth or proliferation by transactivation of the growth factor receptors including epidermal growth factor receptor. Therefore, increased ADAMs-mediated shedding can induce inflammation, tissue remodeling and dysfunction associated with various cardiovascular diseases such as hypertension and atherosclerosis, and ADAMs can be a potential therapeutic target in these diseases. In this review, we focus on the role of ADAMs in cardiovascular pathophysiology and cardiovascular diseases. The main aim of this review is to stimulate new interest in this area by highlighting remarkable evidence.
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Affiliation(s)
- Tatsuo Kawai
- Cardiovascular Research Center, Lewis Katz School of Medicine At Temple University, Philadelphia, PA, USA
| | - Katherine J Elliott
- Cardiovascular Research Center, Lewis Katz School of Medicine At Temple University, Philadelphia, PA, USA
| | - Rosario Scalia
- Cardiovascular Research Center, Lewis Katz School of Medicine At Temple University, Philadelphia, PA, USA
| | - Satoru Eguchi
- Cardiovascular Research Center, Lewis Katz School of Medicine At Temple University, Philadelphia, PA, USA.
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20
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Yang H, Zhou T, Stranz A, DeRoo E, Liu B. Single-Cell RNA Sequencing Reveals Heterogeneity of Vascular Cells in Early Stage Murine Abdominal Aortic Aneurysm-Brief Report. Arterioscler Thromb Vasc Biol 2021; 41:1158-1166. [PMID: 33472403 DOI: 10.1161/atvbaha.120.315607] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Abdominal aortic aneurysm (AAA) is a life-threatening vascular disease characterized by smooth muscle cell depletion, ECM (extracellular matrix) degradation, and infiltration of immune cells. The cellular and molecular profiles that govern the heterogeneity of the AAA aorta are yet to be elucidated. Approach and Results: We performed single-cell RNA sequencing on mouse AAA tissues. AAA was induced in C57BL/6J mice by perivascular application of CaCl2. Unbiased clustering identified 12 distinct populations of 8 cell types. Percentages of each population and gene expression were compared between sham and AAA tissue. Furthermore, we characterized the transcriptional profiles and potential functional features of populations in smooth muscle cells, fibroblasts, and macrophages and revealed the unique regulons in each cell type. CONCLUSIONS Together, these data provide high-resolution insight into the complexity and heterogeneity of mouse AAA and indicate that populations within major cell types such as smooth muscle cells, fibroblasts, and macrophages may contribute differently to AAA pathogenesis. Graphic Abstract: A graphic abstract is available for this article.
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Affiliation(s)
- Huan Yang
- Department of Surgery (H.Y., T.Z., A.S., E.D., B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison
| | - Ting Zhou
- Department of Surgery (H.Y., T.Z., A.S., E.D., B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison
| | - Amelia Stranz
- Department of Surgery (H.Y., T.Z., A.S., E.D., B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison
| | - Elise DeRoo
- Department of Surgery (H.Y., T.Z., A.S., E.D., B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison
| | - Bo Liu
- Department of Surgery (H.Y., T.Z., A.S., E.D., B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison.,Department of Cellular and Regenerative Biology (B.L.), School of Medicine and Public Health, University of Wisconsin-Madison, Madison
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21
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Chen S, Yang D, Liu B, Chen Y, Ye W, Chen M, Zheng Y. Identification of crucial genes mediating abdominal aortic aneurysm pathogenesis based on gene expression profiling of perivascular adipose tissue by WGCNA. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:52. [PMID: 33553345 PMCID: PMC7859787 DOI: 10.21037/atm-20-3758] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background With a mortality rate of 65–85%, a ruptured abdominal aortic aneurysm (AAA) can have catastrophic consequences for patients. However, few effective pharmaceutical treatments are available to treat this condition. Therefore, elucidating the pathogenesis of AAA and finding the potential molecular targets for medical therapies are vital lines of research. Methods An mRNA microarray dataset of perivascular adipose tissue (PVAT) in AAA patients was downloaded and differentially expressed gene (DEG) screening was performed. Weighted gene co-expression networks for dilated and non-dilated PVAT samples were constructed via weighted correlation network analysis (WGCNA) and used to detect gene modules. Functional annotation analysis was performed for the DEGs and gene modules. We identified the hub genes of the modules and created a DEG co-expression network. We then mined crucial genes based on this network using Molecular Complex Detection (MCODE) in Cytoscape. Crucial genes with top-6 degree in the crucial gene cluster were visualized, and their potential clinical significance was determined. Results Of the 173 DEGs screened, 99 were upregulated and 74 were downregulated. Co-expression networks were built and we detected 6 and 5 modules for dilated and non-dilated PVAT samples, respectively. The turquoise and black modules for dilated PVAT samples were related to inflammation and immune response. MAP4K1 and PROK2 were the hub genes of these 2 modules, respectively. Then a DEG co-expression network with 112 nodes and 953 edges was created. PLAU was the crucial gene with the highest connectivity and showed potential clinical significance. Conclusions Using WGCNA, gene modules were detected and hub genes and crucial genes were identified. These crucial genes might be potential targets for pharmaceutic therapies and have potential clinical significance. Future in vitro and in vivo experiments are required to more comprehensively explore the biological mechanisms by which these genes affect AAA pathogenesis
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Affiliation(s)
- Siliang Chen
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dan Yang
- Department of Computational Biology and Bioinformatics, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bao Liu
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuexin Chen
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - We Ye
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mengyin Chen
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuehong Zheng
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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22
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Cañes L, Martí-Pàmies I, Ballester-Servera C, Alonso J, Serrano E, Briones AM, Rodríguez C, Martínez-González J. High NOR-1 (Neuron-Derived Orphan Receptor 1) Expression Strengthens the Vascular Wall Response to Angiotensin II Leading to Aneurysm Formation in Mice. Hypertension 2020; 77:557-570. [PMID: 33356402 DOI: 10.1161/hypertensionaha.120.16078] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
No drug therapy has shown to limit abdominal aortic aneurysm (AAA) growth or rupture, and the understanding of the disease biology is incomplete; whereby, one challenge of vascular medicine is the development of good animal models and therapies for this life-threatening condition. The nuclear receptor NOR-1 (neuron-derived orphan receptor 1) controls biological processes involved in AAA; however, whether it plays a role in this pathology is unknown. Through a gain-of-function approach we assessed the impact of NOR-1 expression on the vascular response to Ang II (angiotensin II). We used 2 mouse models that overexpress human NOR-1 in the vasculature, one of them specifically in vascular smooth muscle cells. NOR-1 transgenesis amplifies the response to Ang II enhancing vascular inflammation (production of proinflammatory cytokines, chemokines, and reactive oxygen species), increasing MMP (matrix metalloproteinase) activity and disturbing elastin integrity, thereby broking the resistance of C57BL/6 mice to Ang II-induced AAA. Genes encoding for proteins critically involved in AAA formation (Il [interleukin]-6, Il-1β, Cxcl2, [C-X-C motif chemokine ligand 2], Mcp-1 [monocyte chemoattractant protein 1], and Mmp2) were upregulated in aneurysmal tissues. Both animal models show a similar incidence and severity of AAA, suggesting that high expression of NOR-1 in vascular smooth muscle cell is a sufficient condition to strengthen the response to Ang II. These alterations, including AAA formation, were prevented by the MMP inhibitor doxycycline. Microarray analysis identified gene sets that could explain the susceptibility of transgenic animals to Ang II-induced aneurysms, including those related with extracellular matrix remodeling, inflammatory/immune response, sympathetic activity, and vascular smooth muscle cell differentiation. These results involve NOR-1 in AAA and validate mice overexpressing this receptor as useful experimental models.
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Affiliation(s)
- Laia Cañes
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.C., I.M.-P., J.A., A.M.B., C.R., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.)
| | - Ingrid Martí-Pàmies
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.C., I.M.-P., J.A., A.M.B., C.R., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.)
| | - Carme Ballester-Servera
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.)
| | - Judith Alonso
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.C., I.M.-P., J.A., A.M.B., C.R., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.)
| | - Elena Serrano
- Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.).,Institut de Recerca Hospital de la Santa Creu i Sant Pau (IRHSCSP), Barcelona, Spain (E.S., C.R.)
| | - Ana M Briones
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,Facultad de Medicina, Universidad Autónoma de Madrid, Instituto de Investigación Hospital La Paz, Spain (A.M.B.)
| | - Cristina Rodríguez
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.C., I.M.-P., J.A., A.M.B., C.R., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.).,Institut de Recerca Hospital de la Santa Creu i Sant Pau (IRHSCSP), Barcelona, Spain (E.S., C.R.)
| | - José Martínez-González
- From the Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Spain (L.C., I.M.-P., C.B.-S., J.A., J.M.-G.).,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.C., I.M.-P., J.A., A.M.B., C.R., J.M.-G.).,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain (L.C., I.M.-P., C.B.-S., J.A., E.S., C.R., J.M.-G.)
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23
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Wang L, Liu S, Pan B, Cai H, Zhou H, Yang P, Wang W. The role of autophagy in abdominal aortic aneurysm: protective but dysfunctional. Cell Cycle 2020; 19:2749-2759. [PMID: 32960711 PMCID: PMC7714418 DOI: 10.1080/15384101.2020.1823731] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/17/2020] [Accepted: 09/08/2020] [Indexed: 12/14/2022] Open
Abstract
Autophagy, an evolutionarily conserved mechanism that promotes cell survival by recycling nutrients and degrading long-lived proteins and dysfunctional organelles, is an important defense mechanism, and its attenuation has been well documented in senescence and aging-related diseases. Abdominal aortic aneurysm (AAA), a well-known aging-related disease, has been defined as a chronic degenerative process in the abdominal aortic wall; however, the complete mechanism is unknown, and a clinical treatment is lacking. Accumulating evidence has recently revealed that numerous drugs that can induce autophagy are effective in the treatment of AAA. The purpose of this systematic review was to focus on the cross-talk between autophagy and high-risk factors and the potential pathogenesis of AAA to understand not only the host defense and pathogenesis but also potential treatments.
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Affiliation(s)
- Lei Wang
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shuai Liu
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Baihong Pan
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huoying Cai
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haiyang Zhou
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Pu Yang
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei Wang
- Department of General &vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Laczko R, Csiszar K. Lysyl Oxidase (LOX): Functional Contributions to Signaling Pathways. Biomolecules 2020; 10:biom10081093. [PMID: 32708046 PMCID: PMC7465975 DOI: 10.3390/biom10081093] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 12/12/2022] Open
Abstract
Cu-dependent lysyl oxidase (LOX) plays a catalytic activity-related, primary role in the assembly of the extracellular matrix (ECM), a dynamic structural and regulatory framework which is essential for cell fate, differentiation and communication during development, tissue maintenance and repair. LOX, additionally, plays both activity-dependent and independent extracellular, intracellular and nuclear roles that fulfill significant functions in normal tissues, and contribute to vascular, cardiac, pulmonary, dermal, placenta, diaphragm, kidney and pelvic floor disorders. LOX activities have also been recognized in glioblastoma, diabetic neovascularization, osteogenic differentiation, bone matrix formation, ligament remodeling, polycystic ovary syndrome, fetal membrane rupture and tumor progression and metastasis. In an inflammatory context, LOX plays a role in diminishing pluripotent mesenchymal cell pools which are relevant to the pathology of diabetes, osteoporosis and rheumatoid arthritis. Most of these conditions involve mechanisms with complex cell and tissue type-specific interactions of LOX with signaling pathways, not only as a regulatory target, but also as an active player, including LOX-mediated alterations of cell surface receptor functions and mutual regulatory activities within signaling loops. In this review, we aim to provide insight into the diverse ways in which LOX participates in signaling events, and explore the mechanistic details and functional significance of the regulatory and cross-regulatory interactions of LOX with the EGFR, PDGF, VEGF, TGF-β, mechano-transduction, inflammatory and steroid signaling pathways.
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25
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Li Z, Zhao Z, Cai Z, Sun Y, Li L, Yao F, Yang L, Zhou Y, Zhu H, Fu Y, Wang L, Fang W, Chen Y, Kong W. Runx2 (Runt-Related Transcription Factor 2)-Mediated Microcalcification Is a Novel Pathological Characteristic and Potential Mediator of Abdominal Aortic Aneurysm. Arterioscler Thromb Vasc Biol 2020; 40:1352-1369. [PMID: 32212850 DOI: 10.1161/atvbaha.119.314113] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Abdominal aortic aneurysms (AAAs) are highly lethal diseases without effective clinical predictors and therapeutic targets. Vascular microcalcification, as detected by fluorine-18-sodium fluoride, has recently been recognized as a valuable indicator in predicting atherosclerotic plaque rupture and AAA expansion. However, whether vascular microcalcification involved in the pathogenesis of AAA remains elusive. Approach and Results: Microcalcification was analyzed in human aneurysmal aortas histologically and in AngII (angiotensin II)-infused ApoE-/- mouse aortas by fluorine-18-sodium fluoride positron emission tomography and X-ray computed tomography scanning in chronological order in live animals. AAA patients' aortic tissue showed markedly enhanced microcalcification in the aortic media within the area proximal to elastic fiber degradation, compared with non-AAA patients. Enhanced fluorine-18-sodium fluoride uptake preceded significant aortic expansion in mice. Microcalcification-positive mice on day 7 of AngII infusion showed dramatic aortic expansion on subsequent days 14 to 28, whereas microcalcification-negative AngII-infused mice and saline-induced mice did not develop AAA. The application of hydroxyapatite, the main component of microcalcification, aggravated AngII-induced AAA formation in vivo. RNA-sequencing analysis of the suprarenal aortas of 4-day-AngII-infused ApoE-/- mice and bioinformatics analysis with ChIP-Atlas database identified the potential involvement of the osteogenic transcriptional factor Runx2 (runt-related transcription factor 2) in AAA. Consistently, vascular smooth muscle cell-specific Runx2 deficiency markedly repressed AngII-induced AAA formation in the ApoE-/- mice compared with the control littermates. CONCLUSIONS Our studies have revealed microcalcification as a novel pathological characteristic and potential mediator of AAA, and targeting microcalcification may represent a promising strategy for AAA prevention and treatment.
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Affiliation(s)
- Zhiqing Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, China (Z.L., Z.C., L.Y., Y.F., W.K.)
| | - Zuoquan Zhao
- Department of Nuclear Medicine (Z.Z., W.F.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Zeyu Cai
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, China (Z.L., Z.C., L.Y., Y.F., W.K.)
| | - Yong Sun
- Department of Pathology, University of Alabama at Birmingham (Y.S., Y.C.)
| | - Li Li
- Department of Pathology, State Key Laboratory of Cardiovascular Disease (L.L.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Fang Yao
- State Key Laboratory of Cardiovascular Disease (F.Y., L.W.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Liu Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, China (Z.L., Z.C., L.Y., Y.F., W.K.)
| | - Yuan Zhou
- Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University, Beijing, China (Y.Z.)
| | - Haibo Zhu
- Fuwai Hospital, National Center for Cardiovascular Diseases, and State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica (H.Z.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Yi Fu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, China (Z.L., Z.C., L.Y., Y.F., W.K.)
| | - Li Wang
- State Key Laboratory of Cardiovascular Disease (F.Y., L.W.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Wei Fang
- Department of Nuclear Medicine (Z.Z., W.F.), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - Yabing Chen
- Department of Pathology, University of Alabama at Birmingham (Y.S., Y.C.)
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, China (Z.L., Z.C., L.Y., Y.F., W.K.)
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Li Z, Kong W. Cellular signaling in Abdominal Aortic Aneurysm. Cell Signal 2020; 70:109575. [PMID: 32088371 DOI: 10.1016/j.cellsig.2020.109575] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/19/2020] [Accepted: 02/19/2020] [Indexed: 12/31/2022]
Abstract
Abdominal aortic aneurysms (AAAs) are highly lethal cardiovascular diseases without effective medications. However, the molecular and signaling mechanisms remain unclear. A series of pathological cellular processes have been shown to contribute to AAA formation, including vascular extracellular matrix remodeling, inflammatory and immune responses, oxidative stress, and dysfunction of vascular smooth muscle cells. Each cellular process involves complex cellular signaling, such as NF-κB, MAPK, TGFβ, Notch and inflammasome signaling. In this review, we discuss how cellular signaling networks function in various cellular processes during the pathogenesis and progression of AAA. Understanding the interaction of cellular signaling networks with AAA pathogenesis as well as the crosstalk of different signaling pathways is essential for the development of novel therapeutic approaches to and personalized treatments of AAA diseases.
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Affiliation(s)
- Zhiqing Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China.
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27
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Chen S, Yang D, Lei C, Li Y, Sun X, Chen M, Wu X, Zheng Y. Identification of crucial genes in abdominal aortic aneurysm by WGCNA. PeerJ 2019; 7:e7873. [PMID: 31608184 PMCID: PMC6788446 DOI: 10.7717/peerj.7873] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 09/11/2019] [Indexed: 02/06/2023] Open
Abstract
Background Abdominal aortic aneurysm (AAA) is the full thickness dilation of the abdominal aorta. However, few effective medical therapies are available. Thus, elucidating the molecular mechanism of AAA pathogenesis and exploring the potential molecular target of medical therapies for AAA is of vital importance. Methods Three expression datasets (GSE7084, GSE47472 and GSE57691) were downloaded from the Gene Expression Omnibus (GEO). These datasets were merged and then normalized using the “sva” R package. Differential expressed gene (DEG) analysis and weighted gene co-expression network analysis (WGCNA) were conducted. We compared the co-expression patterns between AAA and normal conditions, and hub genes of each functional module were identified. DEGs were mapped to co-expression network under AAA condition and a DEG co-expression network was generated. Crucial genes were identified using molecular complex detection (MCODE) (a plugin in Cytoscape). Results In our study, 6 and 10 gene modules were detected for the AAA and normal conditions, respectively, while 143 DEGs were screened. Compared to the normal condition, genes associated with immune response, inflammation and muscle contraction were clustered in three gene modules respectively under the AAA condition; the hub genes of the three modules were MAP4K1, NFIB and HPK1, respectively. A DEG co-expression network with 102 nodes and 303 edges was identified, and a hub gene cluster with 10 genes from the DEG co-expression network was detected. YIPF6, RABGAP1, ANKRD6, GPD1L, PGRMC2, HIGD1A, GMDS, MGP, SLC25A4 and FAM129A were in the cluster. The expression levels of these 10 genes showed potential diagnostic value. Conclusion Based on WGCNA, we detected 6 modules under the AAA condition and 10 modules in the normal condition. Hub genes of each module and hub gene clusters of the DEG co-expression network were identified. These genes may act as potential targets for medical therapy and diagnostic biomarkers. Further studies are needed to elucidate the detailed biological function of these genes in the pathogenesis of AAA.
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Affiliation(s)
- Siliang Chen
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Dan Yang
- Department of Computational Biology and Bioinformatics, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Chuxiang Lei
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Yuan Li
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Xiaoning Sun
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Mengyin Chen
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Xiao Wu
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Yuehong Zheng
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
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28
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Li DY, Busch A, Jin H, Chernogubova E, Pelisek J, Karlsson J, Sennblad B, Liu S, Lao S, Hofmann P, Bäcklund A, Eken SM, Roy J, Eriksson P, Dacken B, Ramanujam D, Dueck A, Engelhardt S, Boon RA, Eckstein HH, Spin JM, Tsao PS, Maegdefessel L. H19 Induces Abdominal Aortic Aneurysm Development and Progression. Circulation 2019; 138:1551-1568. [PMID: 29669788 DOI: 10.1161/circulationaha.117.032184] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Long noncoding RNAs have emerged as critical molecular regulators in various biological processes and diseases. Here we sought to identify and functionally characterize long noncoding RNAs as potential mediators in abdominal aortic aneurysm development. METHODS We profiled RNA transcript expression in 2 murine abdominal aortic aneurysm models, Angiotensin II (ANGII) infusion in apolipoprotein E-deficient ( ApoE-/-) mice (n=8) and porcine pancreatic elastase instillation in C57BL/6 wild-type mice (n=12). The long noncoding RNA H19 was identified as 1 of the most highly upregulated transcripts in both mouse aneurysm models compared with sham-operated controls. This was confirmed by quantitative reverse transcription-polymerase chain reaction and in situ hybridization. RESULTS Experimental knock-down of H19, utilizing site-specific antisense oligonucleotides (LNA-GapmeRs) in vivo, significantly limited aneurysm growth in both models. Upregulated H19 correlated with smooth muscle cell (SMC) content and SMC apoptosis in progressing aneurysms. Importantly, a similar pattern could be observed in human abdominal aortic aneurysm tissue samples, and in a novel preclinical LDLR-/- (low-density lipoprotein receptor) Yucatan mini-pig aneurysm model. In vitro knock-down of H19 markedly decreased apoptotic rates of cultured human aortic SMCs, whereas overexpression of H19 had the opposite effect. Notably, H19-dependent apoptosis mechanisms in SMCs appeared to be independent of miR-675, which is embedded in the first exon of the H19 gene. A customized transcription factor array identified hypoxia-inducible factor 1α as the main downstream effector. Increased SMC apoptosis was associated with cytoplasmic interaction between H19 and hypoxia-inducible factor 1α and sequential p53 stabilization. Additionally, H19 induced transcription of hypoxia-inducible factor 1α via recruiting the transcription factor specificity protein 1 to the promoter region. CONCLUSIONS The long noncoding RNA H19 is a novel regulator of SMC survival in abdominal aortic aneurysm development and progression. Inhibition of H19 expression might serve as a novel molecular therapeutic target for aortic aneurysm disease.
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Affiliation(s)
- Daniel Y Li
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Albert Busch
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Hong Jin
- Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
| | - Ekaterina Chernogubova
- Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
| | - Jaroslav Pelisek
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Joakim Karlsson
- Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden (J.K.)
| | - Bengt Sennblad
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, Sweden (B.S.)
| | - Shengliang Liu
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Shen Lao
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Patrick Hofmann
- Institute of Cardiovascular Regeneration, University Hospital Frankfurt, and German Center for Cardiovascular Research (DZHK), partner site Rhein-Main, Frankfurt, Germany (P.H., R.A.B.)
| | - Alexandra Bäcklund
- Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
| | - Suzanne M Eken
- Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
| | - Joy Roy
- Department of Molecular Medicine and Surgery (J.R.), Karolinska Institutet, Stockholm, Sweden
| | - Per Eriksson
- Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
| | | | - Deepak Ramanujam
- Institute of Pharmacology and Toxicology (D.R., A.D., S.E.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Anne Dueck
- Institute of Pharmacology and Toxicology (D.R., A.D., S.E.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Stefan Engelhardt
- Institute of Pharmacology and Toxicology (D.R., A.D., S.E.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Reinier A Boon
- Institute of Cardiovascular Regeneration, University Hospital Frankfurt, and German Center for Cardiovascular Research (DZHK), partner site Rhein-Main, Frankfurt, Germany (P.H., R.A.B.)
| | - Hans-Henning Eckstein
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany
| | - Joshua M Spin
- Division of Cardiovascular Medicine, Stanford University, CA (J.M.S., P.S.T.)
| | - Philip S Tsao
- Division of Cardiovascular Medicine, Stanford University, CA (J.M.S., P.S.T.)
| | - Lars Maegdefessel
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar (D.Y.L., A. Busch, J.P., S.L., H.-H.E., L.M.), Technical University Munich, and German Center for Cardiovascular Research (DZHK), partner site Munich, Germany.,Department of Medicine (H.J., E.C., A. Bäcklund; S.M.E., P.E., L.M.), Karolinska Institutet, Stockholm, Sweden
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29
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Abstract
Abdominal aortic aneurysm (AAA) is a local dilatation of the abdominal aortic vessel wall and is among the most challenging cardiovascular diseases as without urgent surgical intervention, ruptured AAA has a mortality rate of >80%. Most patients present acutely after aneurysm rupture or dissection from a previously asymptomatic condition and are managed by either surgery or endovascular repair. Patients usually are old and have other concurrent diseases and conditions, such as diabetes mellitus, obesity, and hypercholesterolemia making surgical intervention more difficult. Collectively, these issues have driven the search for alternative methods of diagnosing, monitoring, and treating AAA using therapeutics and less invasive approaches. Noncoding RNAs-short noncoding RNAs (microRNAs) and long-noncoding RNAs-are emerging as new fundamental regulators of gene expression. Researchers and clinicians are aiming at targeting these microRNAs and long noncoding RNAs and exploit their potential as clinical biomarkers and new therapeutic targets for AAAs. While the role of miRNAs in AAA is established, studies on long-noncoding RNAs are only beginning to emerge, suggesting their important yet unexplored role in vascular physiology and disease. Here, we review the role of noncoding RNAs and their target genes focusing on their role in AAA. We also discuss the animal models used for mechanistic understanding of AAA. Furthermore, we discuss the potential role of microRNAs and long noncoding RNAs as clinical biomarkers and therapeutics.
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Affiliation(s)
- Sandeep Kumar
- Wallace H. Coulter Department of Biomedical Engineering,
Emory University and Georgia Institute of Technology, Atlanta, GA, USA
| | - Reinier A. Boon
- Institute for Cardiovascular Regeneration, Center of
Molecular Medicine, Goethe University, Frankfurt, Germany
- Department of Physiology, Amsterdam Cardiovascular
Sciences, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, The
Netherlands
- German Center of Cardiovascular Research DZHK, Frankfurt,
Germany
| | - Lars Maegdefessel
- Department of Medicine, Karolinska Institute, Stockholm,
Sweden
- Department of Vascular and Endovascular Surgery, Technical
University Munich, Munich, Germany
- German Center for Cardiovascular Research DZHK, Munich,
Germany
| | - Stefanie Dimmeler
- Institute for Cardiovascular Regeneration, Center of
Molecular Medicine, Goethe University, Frankfurt, Germany
- German Center of Cardiovascular Research DZHK, Frankfurt,
Germany
- Corresponding authors: Hanjoong Jo, PhD, John and Jan Portman
Professor, Wallace H. Coulter Department of Biomedical Engineering, Emory
University and Georgia Institute of Technology, 1760 Haygood Drive, Atlanta, GA
30322, , Stefanie Dimmeler, PhD, Institute for
Cardiovascular Regeneration, Centre of Molecular Medicine, Goethe University
Frankfurt, Theodor Stern Kai 7, 60590, Frankfurt, Germany,
| | - Hanjoong Jo
- Wallace H. Coulter Department of Biomedical Engineering,
Emory University and Georgia Institute of Technology, Atlanta, GA, USA
- Division of Cardiology, Emory University, Atlanta, GA,
USA
- Corresponding authors: Hanjoong Jo, PhD, John and Jan Portman
Professor, Wallace H. Coulter Department of Biomedical Engineering, Emory
University and Georgia Institute of Technology, 1760 Haygood Drive, Atlanta, GA
30322, , Stefanie Dimmeler, PhD, Institute for
Cardiovascular Regeneration, Centre of Molecular Medicine, Goethe University
Frankfurt, Theodor Stern Kai 7, 60590, Frankfurt, Germany,
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30
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Phillips EH, Lorch AH, Durkes AC, Goergen CJ. Early pathological characterization of murine dissecting abdominal aortic aneurysms. APL Bioeng 2018; 2:046106. [PMID: 31069328 PMCID: PMC6481730 DOI: 10.1063/1.5053708] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 12/10/2018] [Indexed: 12/11/2022] Open
Abstract
We report here on the early pathology of a well-established murine model of dissecting abdominal aortic aneurysms (AAAs). Continuous infusion of angiotensin II (AngII) into apolipoprotein E-deficient mice induces the formation of aortic dissection and expansion at some point after implantation of miniosmotic pumps containing AngII. While this model has been studied extensively at a chronic stage, we investigated the early pathology of dissecting AAA formation at multiple scales. Using high-frequency ultrasound, we screened 12-week-old male mice daily for initial formation of these aneurysmal lesions between days 3 and 10 post-implantation. We euthanized animals on the day of diagnosis of a dissecting AAA or at day 10 if no aneurysmal lesion developed. Aortic expansion and reduced vessel wall strain occurred in animals regardless of whether a dissecting AAA developed by day 10. The aortas of mice that did not develop dissecting AAAs showed intermediate changes in morphology and biomechanical properties. RNA sequencing and gene expression analysis revealed multiple proinflammatory and matrix remodeling genes to be upregulated in the suprarenal aorta of AngII-infused mice as compared to saline-infused controls. Histology and immunohistochemistry confirmed that extracellular matrix remodeling and inflammatory cell infiltration, notably neutrophils and macrophages, occurred in AngII-infused mice with and without dissecting AAAs but not saline-infused controls. Understanding early disease processes is a critical step forward in translating experimental results in cardiovascular disease research. This work advances our understanding of this well-established murine model with applications for improving early diagnosis and therapy of acute aortic syndrome in humans.
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Affiliation(s)
- Evan H Phillips
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Adam H Lorch
- Department of Biology, Purdue University, West Lafayette, Indiana 47907, USA
| | - Abigail C Durkes
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana 47907, USA
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31
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Forrester SJ, Booz GW, Sigmund CD, Coffman TM, Kawai T, Rizzo V, Scalia R, Eguchi S. Angiotensin II Signal Transduction: An Update on Mechanisms of Physiology and Pathophysiology. Physiol Rev 2018; 98:1627-1738. [PMID: 29873596 DOI: 10.1152/physrev.00038.2017] [Citation(s) in RCA: 614] [Impact Index Per Article: 102.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The renin-angiotensin-aldosterone system plays crucial roles in cardiovascular physiology and pathophysiology. However, many of the signaling mechanisms have been unclear. The angiotensin II (ANG II) type 1 receptor (AT1R) is believed to mediate most functions of ANG II in the system. AT1R utilizes various signal transduction cascades causing hypertension, cardiovascular remodeling, and end organ damage. Moreover, functional cross-talk between AT1R signaling pathways and other signaling pathways have been recognized. Accumulating evidence reveals the complexity of ANG II signal transduction in pathophysiology of the vasculature, heart, kidney, and brain, as well as several pathophysiological features, including inflammation, metabolic dysfunction, and aging. In this review, we provide a comprehensive update of the ANG II receptor signaling events and their functional significances for potential translation into therapeutic strategies. AT1R remains central to the system in mediating physiological and pathophysiological functions of ANG II, and participation of specific signaling pathways becomes much clearer. There are still certain limitations and many controversies, and several noteworthy new concepts require further support. However, it is expected that rigorous translational research of the ANG II signaling pathways including those in large animals and humans will contribute to establishing effective new therapies against various diseases.
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Affiliation(s)
- Steven J Forrester
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - George W Booz
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Curt D Sigmund
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Thomas M Coffman
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Tatsuo Kawai
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Victor Rizzo
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Rosario Scalia
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
| | - Satoru Eguchi
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University , Philadelphia, Pennsylvania ; Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center , Jackson, Mississippi ; Department of Pharmacology, Center for Hypertension Research, Roy J. and Lucille A. Carver College of Medicine, University of Iowa , Iowa City, Iowa ; and Duke-NUS, Singapore and Department of Medicine, Duke University Medical Center , Durham, North Carolina
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33
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Li J, Pan C, Zhang S, Spin JM, Deng A, Leung LL, Dalman RL, Tsao PS, Snyder M. Decoding the Genomics of Abdominal Aortic Aneurysm. Cell 2018; 174:1361-1372.e10. [DOI: 10.1016/j.cell.2018.07.021] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 04/17/2018] [Accepted: 07/17/2018] [Indexed: 12/28/2022]
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Huang X, Yue Z, Wu J, Chen J, Wang S, Wu J, Ren L, Zhang A, Deng P, Wang K, Wu C, Ding X, Ye P, Xia J. MicroRNA-21 Knockout Exacerbates Angiotensin II–Induced Thoracic Aortic Aneurysm and Dissection in Mice With Abnormal Transforming Growth Factor-β–SMAD3 Signaling. Arterioscler Thromb Vasc Biol 2018. [DOI: 10.1161/atvbaha.117.310694] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Objective—
Thoracic aortic aneurysm and dissection (TAAD) are severe vascular conditions. Dysfunctional transforming growth factor-β (TGF-β) signaling in vascular smooth muscle cells and elevated angiotensin II (AngII) levels are implicated in the development of TAAD. In this study, we investigated whether these 2 factors lead to TAAD in a mouse model and explored the possibility of using microRNA-21 (
miR-21
) for the treatment of TAAD.
Approach and Results—
TAAD was developed in
Smad3
(mothers against decapentaplegic homolog 3) heterozygous (S3
+/−
) mice infused with AngII. We found that p-ERK (phosphorylated extracellular regulated protein kinases)– and p-JNK (phosphorylated c-Jun N-terminal kinase)–associated
miR-21
was higher in TAAD lesions. We hypothesize that downregulation of
miR-21
mitigate TAAD formation. However,
Smad3
+/−
:miR-21
−/−
(S3
+/−
21
−/−
) mice exhibited conspicuous TAAD formation after AngII infusion. The vascular wall was dilated, and aortic rupture occurred within 23 days during AngII infusion. We then examined canonical and noncanonical TGF-β signaling and found that
miR-21
knockout in S3
+/−
mice increased SMAD7 and suppressed canonical TGF-β signaling. Vascular smooth muscle cells lacking TGF-β signals tended to switch from a contractile to a synthetic phenotype. The silencing of
Smad7
with lentivirus prevented AngII-induced TAAD formation in S3
+/−
21
−/−
mice.
Conclusions—
Our study demonstrated that
miR-21
knockout exacerbated AngII-induced TAAD formation in mice, which was associated with TGF-β signaling dysfunction. Therapeutic strategies targeting TAAD should consider unexpected side effects associated with alterations in TGF-β signaling.
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Affiliation(s)
- Xiaofan Huang
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Zhang Yue
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Jia Wu
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
- Key Laboratory for Molecular Diagnosis of Hubei Province, Central Hospital of Wuhan (J.W.)
| | - Jiuling Chen
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Sihua Wang
- Department of Thoracic Surgery, Union Hospital (S.W.)
| | - Jie Wu
- Central Laboratory, Central Hospital of Wuhan (J.W.)
| | - Linyun Ren
- Department of Anesthesia, Central Hospital of Wuhan (L.R.), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Anchen Zhang
- Department of Cardiovascular Medicine, Central Hospital of Wuhan (A.Z., P.Y.)
| | - Peng Deng
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Ke Wang
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Chuangyan Wu
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Xiangchao Ding
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
| | - Ping Ye
- Department of Cardiovascular Medicine, Central Hospital of Wuhan (A.Z., P.Y.)
| | - Jiahong Xia
- From the Department of Cardiovascular Surgery, Union Hospital (X.H., Z.Y., J.C., J.W., P.D., K.W., C.W., X.D., J.X.)
- Department of Cardiovascular Surgery, Central Hospital of Wuhan (J.X.)
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RANKL-mediated osteoclastogenic differentiation of macrophages in the abdominal aorta of angiotensin II-infused apolipoprotein E knockout mice. J Vasc Surg 2018; 68:48S-59S.e1. [PMID: 29685509 DOI: 10.1016/j.jvs.2017.11.091] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 11/17/2017] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Osteoclastogenic activation of macrophages (OCG) occurs in human abdominal aortic aneurysms (AAAs) and in calcium chloride-induced degenerative AAAs in mice, which have increased matrix metalloproteinase activity. As the activity of OCG in dissecting aneurysms is not clear, we tested the hypothesis that OCG contributes to angiotensin II (Ang II)-induced dissecting aneurysm (Ang II-induced AAA) in apolipoprotein E knockout mice. METHODS AAAs were produced in apolipoprotein E knockout mice via the administration of Ang II. Additionally, receptor activator of nuclear factor kB ligand (RANKL)-neutralizing antibody (5 mg/kg) was administered to one group of mice 7 days prior to Ang II infusion. Aneurysmal sections were probed for presence of RANKL and tartrate-resistant acid phosphatase via immunohistochemistry and immunofluorescence staining. Mouse aortas were also examined for RANKL and matrix metalloproteinase 9 expression via Western blot. In vitro murine vascular smooth muscle cells (MOVAS) and murine macrophages (RAW 264.7) were analyzed for the expression of osteogenic factors via Western blot, qPCR, and flow cytometry in response to Ang II or RANKL stimulation. The signaling pathway that mediates Ang II-induced RANKL expression in MOVAS cells was also investigated via application of TG101348, a Janus kinase 2 (JAK2) inhibitor, and Western blot analysis. RESULTS Immunohistochemical staining of Ang II-induced AAA sections revealed OCG as evidenced by increased RANKL and tartrate-resistant acid phosphatase expression compared with control mice. Immunofluorescence staining of AAA sections revealed co-localization of vascular smooth muscle cells and RANKL, revealing vascular smooth muscle cells as one potential source of RANKL. Systemic administration of RANKL-neutralizing antibody suppressed Ang II-induced AAA, with significant reduction of the maximum diameter of the abdominal aorta compared with vehicle controls (1.5 ± 0.4 mm vs 2.2 ± 0.2 mm). Ang II (1 μM) treatment induced a significant increase in RANKL messenger RNA expression levels in MOVAS cells compared with the vehicle control (1.0 ± 0.2 vs 2.8 ± 0.2). The activities of JAK2 and signal transducer and activator of transcription 5 (STAT5) were also significantly increased by Ang II treatment. Inhibition of JAK2/STAT5 suppressed Ang II-induced RANKL expression, suggesting the involvement of the JAK2/STAT5 signaling pathway. CONCLUSIONS OCG with increased RANKL expression was present in Ang II-induced AAA, and neutralization of RANKL suppressed AAA formation. As neutralization of RANKL has been used clinically to treat osteoporosis and other osteoclast-related diseases, additional study of the effectiveness of RANKL neutralization in AAA is warranted.
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36
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Wang SK, Xie J, Green LA, McCready RA, Motaganahalli RL, Fajardo A, Babbey CC, Murphy MP. TSG-6 is highly expressed in human abdominal aortic aneurysms. J Surg Res 2017; 220:311-319. [PMID: 29180197 PMCID: PMC5864112 DOI: 10.1016/j.jss.2017.06.078] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 06/19/2017] [Accepted: 06/28/2017] [Indexed: 12/28/2022]
Abstract
BACKGROUND The formation of abdominal aortic aneurysms (AAA) is characterized by a dominance of proinflammatory forces that result in smooth muscle cell apoptosis, extracellular matrix degradation, and progressive diameter expansion. Additional defects in the antiinflammatory response may also play a role but have yet to be fully characterized. TSG-6 (TNF-stimulated gene-6) is a potent antiinflammatory protein involved in extracellular matrix stabilization and cell migration active in many pathological conditions. Here, we describe its role in AAA formation. METHODS Blood and/or aortic tissue samples were collected from organ donors, subjects undergoing elective AAA screening, and open surgical AAA repair. Aortic specimens collected were preserved for IHC or immediately assayed after tissue homogenization. Protein concentrations in tissue and plasma were assayed by ELISA. All immune cell populations were assayed using FACS. In vitro, macrophage polarization from monocytes was performed with young, healthy donor PBMCs. RESULTS TSG-6 was found to be abnormally elevated in both the plasma and aortic wall of patients with AAA compared with healthy and risk-factor matched non-AAA donors. We observed the highest tissue concentration of TSG-6 in the less-diseased proximal and distal shoulders compared with the central aspect of the aneurysm. IHC localized most TSG-6 to the tunica media with minor expression in the tunica adventitia of the aortic wall. Higher concentrations of both M1 and M2 macrophages where also observed, however M1/M2 ratios were unchanged from healthy controls. We observed no difference in M1/M2 ratios in the peripheral blood of risk-factor matched non-AAA and AAA patients. Interesting, TSG-6 inhibited the polarization of the antiinflammatory M2 phenotype in vitro. CONCLUSIONS AAA formation results from an imbalance of inflammatory forces causing aortic wall infiltration of mononuclear cells leading to the vessel breakdown. In the AAA condition, we report an elevation of TSG-6 expression in both the aortic wall and the peripheral circulation.
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Affiliation(s)
- S Keisin Wang
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Jie Xie
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Linden A Green
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Robert A McCready
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Raghu L Motaganahalli
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Andres Fajardo
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Clifford C Babbey
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana
| | - Michael P Murphy
- Indiana University School of Medicine, Richard Roudebush Veteran Affairs Medical Center, Department of Surgery, Division of Vascular Surgery and Center for Aortic Disease, Indianapolis, Indiana.
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Xu S. Transcriptome Profiling in Systems Vascular Medicine. Front Pharmacol 2017; 8:563. [PMID: 28970795 PMCID: PMC5609594 DOI: 10.3389/fphar.2017.00563] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 08/08/2017] [Indexed: 02/06/2023] Open
Abstract
In the post-genomic, big data era, our understanding of vascular diseases has been deepened by multiple state-of-the-art “–omics” approaches, including genomics, epigenomics, transcriptomics, proteomics, lipidomics and metabolomics. Genome-wide transcriptomic profiling, such as gene microarray and RNA-sequencing, emerges as powerful research tools in systems medicine and revolutionizes transcriptomic analysis of the pathological mechanisms and therapeutics of vascular diseases. In this article, I will highlight the workflow of transcriptomic profiling, outline basic bioinformatics analysis, and summarize recent gene profiling studies performed in vascular cells as well as in human and mice diseased samples. Further mining of these public repository datasets will shed new light on our understanding of the cellular basis of vascular diseases and offer novel potential targets for therapeutic intervention.
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Affiliation(s)
- Suowen Xu
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, RochesterNY, United States
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38
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Li X, Fang Q, Tian X, Wang X, Ao Q, Hou W, Tong H, Fan J, Bai S. Curcumin attenuates the development of thoracic aortic aneurysm by inhibiting VEGF expression and inflammation. Mol Med Rep 2017; 16:4455-4462. [PMID: 28791384 PMCID: PMC5647005 DOI: 10.3892/mmr.2017.7169] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 05/09/2017] [Indexed: 11/05/2022] Open
Abstract
Angiogenesis is an important process in the pathogenesis of aortic aneurysm. The aim of the present study was to investigate the angiogenic balance and the expression of vascular endothelial growth factor (VEGF) in thoracic aortic aneurysm (TAA). A previous study demonstrated that curcumin exerts a marked effect on aortic aneurysm development. Therefore, the present study determined whether curcumin is able to modulate angiogenesis and inflammatory signaling in TAA by collecting human TAA samples and establishing a rat TAA model using periaortic application of CaCl2. TAA rats were treated with curcumin or 1% carboxymethyl cellulose and were sacrificed 4 weeks after the operation. All tissue specimens were analyzed by histological staining, immunohistochemistry and western blotting. Human TAA samples exhibited increased neovascularization and VEGF expression when compared with normal aortic walls. In rat tissues, treatment with curcumin resulted in reduced aneurysm size and restored the wavy structure of the elastic lamellae. In addition, curcumin decreased neovascularization and the expression of VEGF. Immunohistochemical analysis indicated that curcumin significantly inhibited infiltration of cluster of differentiation (CD)3+ and CD68+ cells in TAA. Furthermore, curcumin treatment decreased the expression of vascular cell adhesion molecule‑1, intracellular adhesion molecule‑1, monocyte chemoattractant protein‑1 and tumor necrosis factor‑α. Collectively, the results demonstrated that angiogenesis and VEGF expression were increased in the aortic wall in TAA. Treatment with curcumin inhibited TAA development in rats, which was associated with suppression of VEGF expression. In addition, curcumin attenuated inflammatory cell infiltration and suppressed inflammatory factor expression in the periaortic tissue of TAA.
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Affiliation(s)
- Xiang Li
- Department of Cell Biology, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Qin Fang
- Department of Cardiac Surgery, First Hospital of China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Xiaohong Tian
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Xiaohong Wang
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Qiang Ao
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Weijian Hou
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Hao Tong
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Jun Fan
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Shuling Bai
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
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Angelov SN, Hu JH, Wei H, Airhart N, Shi M, Dichek DA. TGF-β (Transforming Growth Factor-β) Signaling Protects the Thoracic and Abdominal Aorta From Angiotensin II-Induced Pathology by Distinct Mechanisms. Arterioscler Thromb Vasc Biol 2017; 37:2102-2113. [PMID: 28729364 DOI: 10.1161/atvbaha.117.309401] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 07/10/2017] [Indexed: 01/20/2023]
Abstract
OBJECTIVE The role of TGF-β (transforming growth factor-β) signaling in abdominal aortic aneurysm (AAA) formation is controversial. Others reported that systemic blockade of TGF-β by neutralizing antibodies accelerated AAA development in angiotensin II-infused mice. This result is consistent with other studies suggesting that TGF-β signaling prevents AAA. Development of a therapy for AAA that exploits the protective actions of TGF-β would be facilitated by identification of the mechanisms through which TGF-β prevents AAA. We hypothesized that TGF-β signaling prevents AAA by its actions on aortic medial smooth muscle cells. APPROACH AND RESULTS We compared the prevalence, severity, and histopathology of angiotensin II-induced AAA among control mice (no TGF-β blockade), mice with antibody-mediated systemic neutralization of TGF-β, and mice with genetically based smooth muscle-specific loss of TGF-β signaling. Surprisingly, we found that systemic-but not smooth muscle-specific-TGF-β blockade significantly increased the prevalence of AAA and tended to increase AAA severity, adventitial thickening, and aortic wall macrophage accumulation. In contrast, abdominal aortas of mice with smooth muscle-specific loss of TGF-β signaling differed from controls only in having a thinner media. We examined thoracic aortas of the same mice. Here we found that smooth muscle-specific loss of Tgfbr2-but not systemic TGF-β neutralization-significantly accelerated development of aortic pathology, including increased prevalence of intramural hematomas, medial thinning, and adventitial thickening. CONCLUSION Our results suggest that TGF-β signaling prevents both abdominal and thoracic aneurysmal disease but does so by distinct mechanisms. Smooth muscle extrinsic signaling protects the abdominal aorta and smooth muscle intrinsic signaling protects the thoracic aorta.
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Affiliation(s)
- Stoyan N Angelov
- From the Department of Medicine, University of Washington School of Medicine, Seattle
| | - Jie Hong Hu
- From the Department of Medicine, University of Washington School of Medicine, Seattle
| | - Hao Wei
- From the Department of Medicine, University of Washington School of Medicine, Seattle
| | - Nathan Airhart
- From the Department of Medicine, University of Washington School of Medicine, Seattle
| | - Minghui Shi
- From the Department of Medicine, University of Washington School of Medicine, Seattle
| | - David A Dichek
- From the Department of Medicine, University of Washington School of Medicine, Seattle.
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Nehme A, Zibara K. Cellular distribution and interaction between extended renin-angiotensin-aldosterone system pathways in atheroma. Atherosclerosis 2017; 263:334-342. [PMID: 28600074 DOI: 10.1016/j.atherosclerosis.2017.05.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 04/14/2017] [Accepted: 05/24/2017] [Indexed: 01/06/2023]
Abstract
The importance of the renin-angiotensin-aldosterone system (RAAS) in the development of atherosclerotic has been experimentally documented. In fact, RAAS components have been shown to be locally expressed in the arterial wall and to be differentially regulated during atherosclerotic lesion progression. RAAS transcripts and proteins were shown to be differentially expressed and to interact in the 3 main cells of atheroma: endothelial cells, vascular smooth muscle cells, and macrophages. This review describes the local expression and cellular distribution of extended RAAS components in the arterial wall and their differential regulation during atherosclerotic lesion development.
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Affiliation(s)
- Ali Nehme
- EA4173, Functional Genomics of Arterial Hypertension, Hôpital Nord-Ouest, Villefranche-sur-Saône, Université Lyon1, Lyon, France; ER045, Laboratory of Stem Cells, Department of Biology, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Kazem Zibara
- ER045, Laboratory of Stem Cells, Department of Biology, Faculty of Sciences, Lebanese University, Beirut, Lebanon.
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Chen J, Zeng F, Forrester SJ, Eguchi S, Zhang MZ, Harris RC. Expression and Function of the Epidermal Growth Factor Receptor in Physiology and Disease. Physiol Rev 2016; 96:1025-1069. [DOI: 10.1152/physrev.00030.2015] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The epidermal growth factor receptor (EGFR) is the prototypical member of a family of membrane-associated intrinsic tyrosine kinase receptors, the ErbB family. EGFR is activated by multiple ligands, including EGF, transforming growth factor (TGF)-α, HB-EGF, betacellulin, amphiregulin, epiregulin, and epigen. EGFR is expressed in multiple organs and plays important roles in proliferation, survival, and differentiation in both development and normal physiology, as well as in pathophysiological conditions. In addition, EGFR transactivation underlies some important biologic consequences in response to many G protein-coupled receptor (GPCR) agonists. Aberrant EGFR activation is a significant factor in development and progression of multiple cancers, which has led to development of mechanism-based therapies with specific receptor antibodies and tyrosine kinase inhibitors. This review highlights the current knowledge about mechanisms and roles of EGFR in physiology and disease.
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Affiliation(s)
- Jianchun Chen
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
| | - Fenghua Zeng
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
| | - Steven J. Forrester
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
| | - Satoru Eguchi
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
| | - Ming-Zhi Zhang
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
| | - Raymond C. Harris
- Departments of Medicine, Cancer Biology, and Molecular Physiology and Biophysics, Vanderbilt University School of Medicine and Nashville Veterans Affairs Hospital, Nashville, Tennessee; and Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
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Chen X, Rateri DL, Howatt DA, Balakrishnan A, Moorleghen JJ, Cassis LA, Daugherty A. TGF-β Neutralization Enhances AngII-Induced Aortic Rupture and Aneurysm in Both Thoracic and Abdominal Regions. PLoS One 2016; 11:e0153811. [PMID: 27104863 PMCID: PMC4841552 DOI: 10.1371/journal.pone.0153811] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/04/2016] [Indexed: 01/05/2023] Open
Abstract
AngII and TGF-β interact in development of thoracic and abdominal aortic diseases, although there are many facets of this interaction that have not been clearly defined. The aim of the present study was to determine the effects of TGF-β neutralization on AngII induced-aortic pathologies. Male C57BL/6J mice were administered with either a rabbit or mouse TGF-β neutralizing antibody and then infused with AngII. The rabbit TGF-β antibody modestly reduced serum TGF-β concentrations, with no significant enhancements to AngII-induced aneurysm or rupture. Administration of this rabbit TGF-β antibody in mice led to high serum titers against rabbit IgG that may have attenuated the neutralization. In contrast, a mouse TGF-β antibody (1D11) significantly increased rupture in both the ascending and suprarenal aortic regions, but only at doses that markedly decreased serum TGF-β concentrations. High doses of 1D11 antibody significantly increased AngII-induced ascending and suprarenal aortic dilatation. To determine whether TGF-β neutralization had effects in mice previously infused with AngII, the 1D11 antibody was injected into mice that had been infused with AngII for 28 days and were observed during continued infusion for a further 28 days. Despite near ablations of serum TGF-β concentrations, the mouse TGF-β antibody had no effect on aortic rupture or dimensions in either ascending or suprarenal region. These data provide further evidence that AngII-induced aortic rupture is enhanced greatly by TGF-β neutralization when initiated before pathogenesis.
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Affiliation(s)
- Xiaofeng Chen
- Laboratory of Cardiovascular Disease, Department of Cardiology, Taizhou Hospital, Wenzhou Medical University, Zhejiang, China
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Debra L. Rateri
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Deborah A. Howatt
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Anju Balakrishnan
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Jessica J. Moorleghen
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Lisa A. Cassis
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States of America
| | - Alan Daugherty
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, Kentucky, United States of America
- Department of Physiology, University of Kentucky, Lexington, Kentucky, United States of America
- * E-mail:
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43
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Biros E, Gäbel G, Moran CS, Schreurs C, Lindeman JHN, Walker PJ, Nataatmadja M, West M, Holdt LM, Hinterseher I, Pilarsky C, Golledge J. Differential gene expression in human abdominal aortic aneurysm and aortic occlusive disease. Oncotarget 2016; 6:12984-96. [PMID: 25944698 PMCID: PMC4536993 DOI: 10.18632/oncotarget.3848] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 03/21/2015] [Indexed: 11/25/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) and aortic occlusive disease (AOD) represent common causes of morbidity and mortality in elderly populations which were previously believed to have common aetiologies. The aim of this study was to assess the gene expression in human AAA and AOD. We performed microarrays using aortic specimen obtained from 20 patients with small AAAs (≤ 55mm), 29 patients with large AAAs (> 55mm), 9 AOD patients, and 10 control aortic specimens obtained from organ donors. Some differentially expressed genes were validated by quantitative-PCR (qRT-PCR)/immunohistochemistry. We identified 840 and 1,014 differentially expressed genes in small and large AAAs, respectively. Immune-related pathways including cytokine-cytokine receptor interaction and T-cell-receptor signalling were upregulated in both small and large AAAs. Examples of validated genes included CTLA4 (2.01-fold upregulated in small AAA, P = 0.002), NKTR (2.37-and 2.66-fold upregulated in small and large AAA with P = 0.041 and P = 0.015, respectively), and CD8A (2.57-fold upregulated in large AAA, P = 0.004). 1,765 differentially expressed genes were identified in AOD. Pathways upregulated in AOD included metabolic and oxidative phosphorylation categories. The UCP2 gene was downregulated in AOD (3.73-fold downregulated, validated P = 0.017). In conclusion, the AAA and AOD transcriptomes were very different suggesting that AAA and AOD have distinct pathogenic mechanisms.
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Affiliation(s)
- Erik Biros
- The Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia
| | - Gabor Gäbel
- Department of Vascular and Endovascular Surgery, Ludwig-Maximillian University, Munich, Germany
| | - Corey S Moran
- The Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia
| | - Charlotte Schreurs
- Department of Vascular Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Jan H N Lindeman
- Department of Vascular Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Philip J Walker
- Royal Brisbane Clinical School, The University of Queensland, Queensland, Australia
| | - Maria Nataatmadja
- The Cardiovascular Research Group, Department of Medicine, The University of Queensland, Queensland, Australia
| | - Malcolm West
- The Cardiovascular Research Group, Department of Medicine, The University of Queensland, Queensland, Australia
| | - Lesca M Holdt
- Institute of Laboratory Medicine, Ludwig Maximilians University Munich, Munich, Germany
| | - Irene Hinterseher
- Department of General, Visceral, Vascular and Thoracic Surgery, Charité Universitätsmedizin Berlin, Charité Campus Mitte, Berlin, Germany
| | - Christian Pilarsky
- Department of Vascular, Thoracic and Visceral Surgery, TU-Dresden, Dresden, Germany
| | - Jonathan Golledge
- The Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia.,Department of Vascular and Endovascular Surgery, The Townsville Hospital, Townsville, Queensland, Australia
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Lai CH, Wang KC, Lee FT, Tsai HW, Ma CY, Cheng TL, Chang BI, Yang YJ, Shi GY, Wu HL. Toll-Like Receptor 4 Is Essential in the Development of Abdominal Aortic Aneurysm. PLoS One 2016; 11:e0146565. [PMID: 26741694 PMCID: PMC4711799 DOI: 10.1371/journal.pone.0146565] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 12/18/2015] [Indexed: 01/07/2023] Open
Abstract
Toll-like receptor (TLR) family plays a key role in innate immunity and various inflammatory responses. TLR4, one of the well-characterized pattern-recognition receptors, can be activated by endogenous damage-associated molecular pattern molecules such as high mobility group box 1 (HMGB1) to sustain sterile inflammation. Evidence suggested that blockade of TLR4 signaling may confer protection against abdominal aortic aneurysm (AAA). Herein we aimed to obtain further insight into the mechanism by which TLR4 might promote aneurysm formation. Characterization of the CaCl2-induced AAA model in mice revealed that upregulation of TLR4 expression, localized predominantly to vascular smooth muscle cells (VSMCs), was followed by a late decline during a 28-day period of AAA development. In vitro, TLR4 expression was increased in VSMCs treated with HMGB1. Knockdown of TLR4 by siRNA attenuated HMGB1-enhanced production of proinflammatory cytokines, specifically interleukin-6 and monocyte chemoattractant protein-1 (MCP-1), and matrix-degrading matrix metalloproteinase (MMP)-2 from VSMCs. In vivo, two different strains of TLR4-deficient (C57BL/10ScNJ and C3H/HeJ) mice were resistant to CaCl2-induced AAA formation compared to their respective controls (C57BL/10ScSnJ and C3H/HeN). Knockout of TLR4 reduced interleukin-6 and MCP-1 levels and HMGB1 expression, attenuated macrophage accumulation, and eventually suppressed MMP production, elastin destruction and VSMC loss. Finally, human AAA exhibited higher TLR4 expression that was localized to VSMCs. These data suggest that TLR4 signaling contributes to AAA formation by promoting a proinflammatory status of VSMCs and by inducing proteinase release from VSMCs during aneurysm initiation and development.
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Affiliation(s)
- Chao-Han Lai
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Kuan-Chieh Wang
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Fang-Tzu Lee
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hung-Wen Tsai
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Yuan Ma
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tsung-Lin Cheng
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Bi-Ing Chang
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Jen Yang
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Guey-Yueh Shi
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- * E-mail: (HLW); (GYS)
| | - Hua-Lin Wu
- Cardiovascular Research Center, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- * E-mail: (HLW); (GYS)
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Huang CK, Luo J, Lai KP, Wang R, Pang H, Chang E, Yan C, Sparks J, Lee SO, Cho J, Chang C. Androgen receptor promotes abdominal aortic aneurysm development via modulating inflammatory interleukin-1α and transforming growth factor-β1 expression. Hypertension 2015; 66:881-91. [PMID: 26324502 DOI: 10.1161/hypertensionaha.115.05654] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Sex difference is a risk factor for abdominal aortic aneurysm (AAA) formation yet the reason for male predominance remains unclear. Androgen and the androgen receptor (AR) influence the male sex difference, indicating that AR signaling may affect AAA development. Using angiotensin II–induced AAA in apolipoprotein E null mouse models (82.4% AAA incidence), we found that mice lacking AR failed to develop AAA and aorta had dramatically reduced macrophages infiltration and intact elastic fibers. These findings suggested that AR expression in endothelial cells, macrophages, or smooth muscle cells might play a role in AAA development. Selective knockout of AR in each of these cell types further demonstrated that mice lacking AR in macrophages (20% AAA incidence) or smooth muscle cells (12.5% AAA incidence) but not in endothelial cells (71.4% AAA incidence) had suppressed AAA development. Mechanism dissection showed that AR functioned through modulation of interleukin-1α (IL-1α) and transforming growth factor-β1 signals and by targeting AR with the AR degradation enhancer ASC-J9 led to significant suppression of AAA development. These results demonstrate the underlying mechanism by which AR influences AAA development is through IL-1α and transforming growth factor-β1, and provides a potential new therapy to suppress/prevent AAA by targeting AR with ASC-J9.
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Affiliation(s)
- Chiung-Kuei Huang
- George Whipple Laboratory for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester
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Forrester SJ, Kawai T, O'Brien S, Thomas W, Harris RC, Eguchi S. Epidermal Growth Factor Receptor Transactivation: Mechanisms, Pathophysiology, and Potential Therapies in the Cardiovascular System. Annu Rev Pharmacol Toxicol 2015; 56:627-53. [PMID: 26566153 DOI: 10.1146/annurev-pharmtox-070115-095427] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Epidermal growth factor receptor (EGFR) activation impacts the physiology and pathophysiology of the cardiovascular system, and inhibition of EGFR activity is emerging as a potential therapeutic strategy to treat diseases including hypertension, cardiac hypertrophy, renal fibrosis, and abdominal aortic aneurysm. The capacity of G protein-coupled receptor (GPCR) agonists, such as angiotensin II (AngII), to promote EGFR signaling is called transactivation and is well described, yet delineating the molecular processes and functional relevance of this crosstalk has been challenging. Moreover, these critical findings are dispersed among many different fields. The aim of our review is to highlight recent advancements in defining the signaling cascades and downstream consequences of EGFR transactivation in the cardiovascular renal system. We also focus on studies that link EGFR transactivation to animal models of the disease, and we discuss potential therapeutic applications.
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Affiliation(s)
- Steven J Forrester
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania 19140;
| | - Tatsuo Kawai
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania 19140;
| | - Shannon O'Brien
- The School of Biomedical Sciences, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Walter Thomas
- The School of Biomedical Sciences, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Raymond C Harris
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Satoru Eguchi
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania 19140;
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Charolidi N, Pirianov G, Torsney E, Pearce S, Laing K, Nohturfft A, Cockerill GW. Pioglitazone Identifies a New Target for Aneurysm Treatment: Role of Egr1 in an Experimental Murine Model of Aortic Aneurysm. J Vasc Res 2015; 52:81-93. [PMID: 26113112 DOI: 10.1159/000430986] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 04/26/2015] [Indexed: 11/19/2022] Open
Abstract
Peroxisome proliferator-activated receptor x03B3; agonists have been shown to inhibit angiotensin II (AngII)-induced experimental abdominal aortic aneurysms. Macrophage infiltration to the vascular wall is an early event in this pathology, and therefore we explored the effects of the peroxisome proliferator-activated receptor x03B3; agonist pioglitazone on AngII-treated macrophages. Using microarray-based expression profiling of phorbol ester-stimulated THP-1 cells, we found that a number of aneurysm-related gene changes effected by AngII were modulated following the addition of pioglitazone. Among those genes, polycystic kidney disease 1 (PKD1) was significantly up-regulated (multiple testing corrected p < 0.05). The analysis of the PKD1 proximal promoter revealed a putative early growth response 1 (EGR1) binding site, which was confirmed by chromatin immunoprecipitation (ChIP) and quantitative PCR. Further analysis of publicly available ChIP-sequencing data revealed that this putative binding site overlapped with a conserved EGR1 binding peak present in 5 other cell lines. Quantitative real-time PCR showed that EGR1 suppressed PKD1, while AngII significantly up-regulated PKD1, an effect counteracted by pioglitazone. Conversely, in EGR1 short hairpin RNA lentivirally transduced THP-1 cells, reduced EGR1 led to a significant up-regulation of PKD1, especially after treatment with pioglitazone. In vivo, deficiency of Egr1 in the haematopoietic compartment of mice completely abolished the incidence of CaCl2-induced aneurysm formation.
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Affiliation(s)
- Nicoletta Charolidi
- Institute of Cardiovascular and Cell Sciences, St. George's, University of London, London, UK
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Trachet B, Fraga-Silva RA, Londono FJ, Swillens A, Stergiopulos N, Segers P. Performance comparison of ultrasound-based methods to assess aortic diameter and stiffness in normal and aneurysmal mice. PLoS One 2015; 10:e0129007. [PMID: 26023786 PMCID: PMC4449181 DOI: 10.1371/journal.pone.0129007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 05/03/2015] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE Several ultrasound-based methods are currently used to assess aortic diameter, circumferential strain and stiffness in mice, but none of them is flawless and a gold standard is lacking. We aimed to assess the validity and sensitivity of these methods in control animals and animals developing dissecting abdominal aortic aneurysm. METHODS AND RESULTS We first compared systolic and diastolic diameters as well as local circumferential strains obtained in 47 Angiotensin II-infused ApoE(-/-) mice with three different techniques (BMode, short axis MMode, long axis MMode), at two different abdominal aortic locations (supraceliac and paravisceral), and at three different time points of abdominal aneurysm formation (baseline, 14 days and 28 days). We found that short axis BMode was preferred to assess diameters, but should be avoided for strains. Short axis MMode gave good results for diameters but high standard deviations for strains. Long axis MMode should be avoided for diameters, and was comparable to short axis MMode for strains. We then compared pulse wave velocity measurements using global, ultrasound-based transit time or regional, pressure-based transit time in 10 control and 20 angiotensin II-infused, anti-TGF-Beta injected C57BL/6 mice. Both transit-time methods poorly correlated and were not able to detect a significant difference in PWV between controls and aneurysms. However, a combination of invasive pressure and MMode diameter, based on radio-frequency data, detected a highly significant difference in local aortic stiffness between controls and aneurysms, with low standard deviation. CONCLUSIONS In small animal ultrasound the short axis view is preferred over the long axis view to measure aortic diameters, local methods are preferred over transit-time methods to measure aortic stiffness, invasive pressure-diameter data are preferred over non-invasive strains to measure local aortic stiffness, and the use of radiofrequency data improves the accuracy of diameter, strain as well as stiffness measurements.
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Affiliation(s)
- Bram Trachet
- IBiTech-bioMMeda, Ghent University-IMinds Medical IT, Ghent, Belgium
- Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
| | - Rodrigo A. Fraga-Silva
- Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
| | | | - Abigaïl Swillens
- IBiTech-bioMMeda, Ghent University-IMinds Medical IT, Ghent, Belgium
| | - Nikolaos Stergiopulos
- Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
| | - Patrick Segers
- IBiTech-bioMMeda, Ghent University-IMinds Medical IT, Ghent, Belgium
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49
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Epidermal growth factor receptor inhibitor protects against abdominal aortic aneurysm in a mouse model. Clin Sci (Lond) 2015; 128:559-65. [PMID: 25531554 DOI: 10.1042/cs20140696] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Angiotensin II (Ang II) has been implicated in the development of abdominal aortic aneurysm (AAA). In vascular smooth muscle cells (VSMC), Ang II activates epidermal growth factor receptor (EGFR) mediating growth promotion. We hypothesized that inhibition of EGFR prevents Ang II-dependent AAA. C57BL/6 mice were co-treated with Ang II and β-aminopropionitrile (BAPN) to induce AAA with or without treatment with EGFR inhibitor, erlotinib. Without erlotinib, 64.3% of mice were dead due to aortic rupture. All surviving mice had AAA associated with EGFR activation. Erlotinib-treated mice did not die and developed far fewer AAA. The maximum diameters of abdominal aortas were significantly shorter with erlotinib treatment. In contrast, both erlotinib-treated and non-treated mice developed hypertension. The erlotinib treatment of abdominal aorta was associated with lack of EGFR activation, endoplasmic reticulum (ER) stress, oxidative stress, interleukin-6 induction and matrix deposition. EGFR activation in AAA was also observed in humans. In conclusion, EGFR inhibition appears to protect mice from AAA formation induced by Ang II plus BAPN. The mechanism seems to involve suppression of vascular EGFR and ER stress.
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50
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Wang Q, Shu C, Su J, Li X. A crosstalk triggered by hypoxia and maintained by MCP-1/miR-98/IL-6/p38 regulatory loop between human aortic smooth muscle cells and macrophages leads to aortic smooth muscle cells apoptosis via Stat1 activation. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:2670-2679. [PMID: 26045772 PMCID: PMC4440081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Accepted: 02/21/2015] [Indexed: 06/04/2023]
Abstract
Hypoxia and inflammation are central characteristics of the abdominal aortic aneurysm (AAA), but the mechanisms for their relationship and actual role remain far from full understood. Here, we showed MCP-1 (monocyte chemotactic protein-1) induced by hypoxia in primary human Aortic Smooth Muscle Cells (hASMCs) increased the chemotaxis of THP-1 macrophages and MCP-1 induced IL-6 expression in THP-1 cells via downregulating miR-98 which directly targets IL-6. In addition, IL-6 positively feedback regulated MCP-1 expression in hASMCs via p38 signal that is independent on hypoxia, and inhibition of p38 signal blocked the effect of IL-6 on MCP-1 expression regulation. Moreover, IL-6 exposure time-dependently induces phASMCs apoptosis via Stat1 activation. Collectively, our data provide compelling evidence on the association between hypoxia and inflammation triggered by hypoxia and then mediated by MCP-1/miR-98/IL-6/p38 regulatory loop, which leads to hASMCs apoptosis via Stat1 activation to contribute to AAA formation and progression.
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MESH Headings
- Aorta/metabolism
- Aorta/pathology
- Aortic Aneurysm, Abdominal/metabolism
- Aortic Aneurysm, Abdominal/pathology
- Apoptosis/physiology
- Blotting, Western
- Cell Hypoxia
- Cells, Cultured
- Chemokine CCL2/metabolism
- Enzyme-Linked Immunosorbent Assay
- Humans
- Interleukin-6/metabolism
- MAP Kinase Signaling System/physiology
- Macrophages/metabolism
- MicroRNAs/metabolism
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Real-Time Polymerase Chain Reaction
- Receptor Cross-Talk/physiology
- STAT1 Transcription Factor/metabolism
- Transfection
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Affiliation(s)
- Qing Wang
- Department of Vascular Surgery, The 2 Xiangya Hospital, Central South University139 Renmin Middle Road, Changsha 410011, Hunan, People’s Republic of China
| | - Chang Shu
- Department of Vascular Surgery, The 2 Xiangya Hospital, Central South University139 Renmin Middle Road, Changsha 410011, Hunan, People’s Republic of China
| | - Jing Su
- Hunan Tumor HospitalChangsha, Hunan, People’s Republic of China
| | - Xin Li
- Department of Vascular Surgery, The 2 Xiangya Hospital, Central South University139 Renmin Middle Road, Changsha 410011, Hunan, People’s Republic of China
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