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Minisy FM, Shawki HH, Fujita T, Moustafa AM, Sener R, Nishio Y, Shimada IS, Saitoh S, Sugiura-Ogasawara M, Oishi H. Transcription Factor 23 is an Essential Determinant of Murine Term Parturition. Mol Cell Biol 2024:1-18. [PMID: 39014976 DOI: 10.1080/10985549.2024.2376146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/27/2024] [Accepted: 06/30/2024] [Indexed: 07/18/2024] Open
Abstract
Pregnancy involving intricate tissue transformations governed by the progesterone hormone (P4). P4 signaling via P4 receptors (PRs) is vital for endometrial receptivity, decidualization, myometrial quiescence, and labor initiation. This study explored the role of TCF23 as a downstream target of PR during pregnancy. TCF23 was found to be expressed in female reproductive organs, predominantly in uterine stromal and smooth muscle cells. Tcf23 expression was high during midgestation and was specifically regulated by P4, but not estrogen. The Tcf23 knockout (KO) mouse was generated and analyzed. Female KO mice aged 4-6 months exhibited subfertility, reduced litter size, and defective parturition. Uterine histology revealed disrupted myometrial structure, altered collagen organization, and disarrayed smooth muscle sheets at the conceptus sites of KO mice. RNA-Seq analysis of KO myometrium revealed dysregulation of genes associated with cell adhesion and extracellular matrix organization. TCF23 potentially modulates TCF12 activity to mediate cell-cell adhesion and matrix modulation in smooth muscle cells. Overall, TCF23 deficiency leads to impaired myometrial remodeling, causing parturition delay and fetal demise. This study sheds light on the critical role of TCF23 as a dowstream mediator of PR in uterine remodeling, reflecting the importance of cell-cell communication and matrix dynamics in myometrial activation and parturition.
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Affiliation(s)
- Fatma M Minisy
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Pathology, National Research Centre, Cairo, Egypt
| | - Hossam H Shawki
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Animal Genetic Resources, National Gene Bank of Egypt, ARC, Giza, Egypt
| | - Tsubasa Fujita
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Ahmed M Moustafa
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Rumeysa Sener
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Youske Nishio
- Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Issei S Shimada
- Department of Cell Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shinji Saitoh
- Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Mayumi Sugiura-Ogasawara
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, Nagoya, Japan
| | - Hisashi Oishi
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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2
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Xu C, Yang K, Xu Y, Meng X, Zhou Y, Xu Y, Li X, Qiao W, Shi J, Zhang D, Wang J, Xu W, Yang H, Luo Z, Dong N. Melt-electrowriting-enabled anisotropic scaffolds loaded with valve interstitial cells for heart valve tissue Engineering. J Nanobiotechnology 2024; 22:378. [PMID: 38943185 PMCID: PMC11212200 DOI: 10.1186/s12951-024-02656-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 06/19/2024] [Indexed: 07/01/2024] Open
Abstract
Tissue engineered heart valves (TEHVs) demonstrates the potential for tissue growth and remodel, offering particular benefit for pediatric patients. A significant challenge in designing functional TEHV lies in replicating the anisotropic mechanical properties of native valve leaflets. To establish a biomimetic TEHV model, we employed melt-electrowriting (MEW) technology to fabricate an anisotropic PCL scaffold. By integrating the anisotropic MEW-PCL scaffold with bioactive hydrogels (GelMA/ChsMA), we successfully crafted an elastic scaffold with tunable mechanical properties closely mirroring the structure and mechanical characteristics of natural heart valves. This scaffold not only supports the growth of valvular interstitial cells (VICs) within a 3D culture but also fosters the remodeling of extracellular matrix of VICs. The in vitro experiments demonstrated that the introduction of ChsMA improved the hemocompatibility and endothelialization of TEHV scaffold. The in vivo experiments revealed that, compared to their non-hydrogel counterparts, the PCL-GelMA/ChsMA scaffold, when implanted into SD rats, significantly suppressed immune reactions and calcification. In comparison with the PCL scaffold, the PCL-GelMA/ChsMA scaffold exhibited higher bioactivity and superior biocompatibility. The amalgamation of MEW technology and biomimetic design approaches provides a new paradigm for manufacturing scaffolds with highly controllable microstructures, biocompatibility, and anisotropic mechanical properties required for the fabrication of TEHVs.
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Affiliation(s)
- Chao Xu
- College of Materials Science and Engineering, State Key Laboratory of New Textile Materials and Advanced Processing Technology, Wuhan Textile University, No.1 Sunshine Avenue, Jiangxia District, Wuhan, 430200, China
| | - Kun Yang
- College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan, 430074, China
| | - Yin Xu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430000, China
| | - Xiangfu Meng
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, 368 Youyi Avenue, Wuchang District, Wuhan, 430062, China
| | - Ying Zhou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430000, China
| | - Yanping Xu
- College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan, 430074, China
| | - Xueyao Li
- College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan, 430074, China
| | - Weihua Qiao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430000, China
| | - Jiawei Shi
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430000, China
| | - Donghui Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, 368 Youyi Avenue, Wuchang District, Wuhan, 430062, China
| | - Jianglin Wang
- College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan, 430074, China
| | - Weilin Xu
- College of Materials Science and Engineering, State Key Laboratory of New Textile Materials and Advanced Processing Technology, Wuhan Textile University, No.1 Sunshine Avenue, Jiangxia District, Wuhan, 430200, China
| | - Hongjun Yang
- College of Materials Science and Engineering, State Key Laboratory of New Textile Materials and Advanced Processing Technology, Wuhan Textile University, No.1 Sunshine Avenue, Jiangxia District, Wuhan, 430200, China.
| | - Zhiqiang Luo
- College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan, 430074, China.
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430000, China.
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3
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Martin M, Chen CY, McCowan T, Wells S. Differential Development of the Chordae Tendineae and Anterior Leaflet of the Bovine Mitral Valve. J Cardiovasc Dev Dis 2024; 11:106. [PMID: 38667724 PMCID: PMC11050492 DOI: 10.3390/jcdd11040106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
There is increasing evidence that some adult mitral valve pathologies may have developmental origins involving errors in cell signaling and protein deposition during valvulogenesis. While early and late gestational stages are well-documented in zebrafish, chicks, and small mammalian models, longitudinal studies in large mammals with a similar gestational period to humans are lacking. Further, the mechanism of chordae tendineae formation and multiplication remains unclear. The current study presents a comprehensive examination of mitral anterior leaflet and chordae tendineae development in a bovine model (a large mammal with the same gestational period as humans). Remarkably distinct from small mammals, bovine development displayed early branched chordae, with increasing attachments only until birth, while the anterior leaflet grew both during gestation and postnatally. Chordae also exhibited accelerated collagen deposition, maturation, and crimp development during gestation. These findings suggest that the bovine anterior leaflet and chordae tendineae possess unique processes of development despite being a continuous collagenous structure and could provide greater insight into human valve development.
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Affiliation(s)
- Meghan Martin
- School of Biomedical Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada;
| | - Chih-Ying Chen
- Medical Sciences Program, Faculties of Science and Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (C.-Y.C.); (T.M.)
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Timothy McCowan
- Medical Sciences Program, Faculties of Science and Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (C.-Y.C.); (T.M.)
- Integrated Science Program, Faculty of Science, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Sarah Wells
- School of Biomedical Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada;
- Medical Sciences Program, Faculties of Science and Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (C.-Y.C.); (T.M.)
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4
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Thériault S, Li Z, Abner E, Luan J, Manikpurage HD, Houessou U, Zamani P, Briend M, Boudreau DK, Gaudreault N, Frenette L, Argaud D, Dahmene M, Dagenais F, Clavel MA, Pibarot P, Arsenault BJ, Boekholdt SM, Wareham NJ, Esko T, Mathieu P, Bossé Y. Integrative genomic analyses identify candidate causal genes for calcific aortic valve stenosis involving tissue-specific regulation. Nat Commun 2024; 15:2407. [PMID: 38494474 PMCID: PMC10944835 DOI: 10.1038/s41467-024-46639-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 03/05/2024] [Indexed: 03/19/2024] Open
Abstract
There is currently no medical therapy to prevent calcific aortic valve stenosis (CAVS). Multi-omics approaches could lead to the identification of novel molecular targets. Here, we perform a genome-wide association study (GWAS) meta-analysis including 14,819 cases among 941,863 participants of European ancestry. We report 32 genomic loci, among which 20 are novel. RNA sequencing of 500 human aortic valves highlights an enrichment in expression regulation at these loci and prioritizes candidate causal genes. Homozygous genotype for a risk variant near TWIST1, a gene involved in endothelial-mesenchymal transition, has a profound impact on aortic valve transcriptomics. We identify five genes outside of GWAS loci by combining a transcriptome-wide association study, colocalization, and Mendelian randomization analyses. Using cross-phenotype and phenome-wide approaches, we highlight the role of circulating lipoproteins, blood pressure and inflammation in the disease process. Our findings pave the way for the development of novel therapies for CAVS.
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Affiliation(s)
- Sébastien Thériault
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada.
- Department of Molecular Biology, Medical Biochemistry and Pathology, Université Laval, Quebec City, QC, Canada.
| | - Zhonglin Li
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Erik Abner
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu, Estonia
| | - Jian'an Luan
- MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom
| | - Hasanga D Manikpurage
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Ursula Houessou
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Pardis Zamani
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Mewen Briend
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Dominique K Boudreau
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Nathalie Gaudreault
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Lily Frenette
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Déborah Argaud
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - Manel Dahmene
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
| | - François Dagenais
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Surgery, Université Laval, Quebec City, QC, Canada
| | - Marie-Annick Clavel
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - Philippe Pibarot
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - Benoit J Arsenault
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - S Matthijs Boekholdt
- Department of Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Nicholas J Wareham
- MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom
| | - Tõnu Esko
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu, Estonia
| | - Patrick Mathieu
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Surgery, Université Laval, Quebec City, QC, Canada
| | - Yohan Bossé
- Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, Quebec City, QC, Canada
- Department of Molecular Medicine, Université Laval, Quebec City, QC, Canada
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5
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Ghosh M, Khanam R, Sengupta A, Chakraborty S. Oxidative-stress induced Bmp2-Smad1/5/8 signaling dependent differentiation of early cardiomyocytes from embryonic and adult epicardial cells. Differentiation 2024; 136:100756. [PMID: 38471281 DOI: 10.1016/j.diff.2024.100756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024]
Abstract
Heart failure has become a major life-threatening cause affecting millions globally, characterized by the permanent loss of adult functional cardiomyocytes leading to fibrosis which ultimately deprives the heart of its functional efficacy. Here we investigated the reparative property of embryonic and adult epicardial cells towards cardiomyocyte differentiation under oxidative stress-induced conditions along with the identification of a possible molecular signaling pathway. Isolated epicardial cells from embryonic chick hearts subjected to oxidative stress and hypoxia induction. Initial assessment of successful injury induction reveals hypertrophy of isolated epicardial cells. Detailed marker gene expression analyses and inhibitor studies reveal Bone morphogenic protein (Bmp)2-Smad1/5/8 signaling dependent cardiomyocyte lineage specification via epithelial to mesenchymal transition (EMT) post-injury. EMT is further confirmed by increased proliferation, migration, and differentiation towards cardiomyocyte lineage. We have also established an in-vivo model in adult male rats using Isoproterenol. Successful oxidative stress-mediated injury induction in adult heart was marked by increased activated fibroblasts followed by apoptosis of adult cardiomyocytes. The detailed characterization of adult epicardial cells reveals similar findings to our avian in-vitro data. Both in-vitro and in-vivo results show a significant increase in the expression of cardiomyocyte specific markers indicative of lineage specificity and activation of epicardial cells post oxidative stress mediated injury. Our findings suggest an EMT-induced reactivation of epicardial cells and early cardiomyocyte lineage specification following oxidative stress in a Bmp2- Smad1/5/8 dependent manner. Overall, this regulatory mechanism of cardiomyocyte differentiation induced by oxidative stress may contribute to the field of cardiac repair and regenerative therapeutics.
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Affiliation(s)
- Madhurima Ghosh
- Department of Life Sciences, Presidency University, Kolkata, 700073, India
| | - Riffat Khanam
- Department of Life Sciences, Presidency University, Kolkata, 700073, India
| | - Arunima Sengupta
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata, 700032, India
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6
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Yang F, Akhtar MN, Zhang D, El-Mayta R, Shin J, Dorsey JF, Zhang L, Xu X, Guo W, Bagley SJ, Fuchs SY, Koumenis C, Lathia JD, Mitchell MJ, Gong Y, Fan Y. An immunosuppressive vascular niche drives macrophage polarization and immunotherapy resistance in glioblastoma. SCIENCE ADVANCES 2024; 10:eadj4678. [PMID: 38416830 PMCID: PMC10901371 DOI: 10.1126/sciadv.adj4678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 01/25/2024] [Indexed: 03/01/2024]
Abstract
Cancer immunity is subjected to spatiotemporal regulation by leukocyte interaction with neoplastic and stromal cells, contributing to immune evasion and immunotherapy resistance. Here, we identify a distinct mesenchymal-like population of endothelial cells (ECs) that form an immunosuppressive vascular niche in glioblastoma (GBM). We reveal a spatially restricted, Twist1/SATB1-mediated sequential transcriptional activation mechanism, through which tumor ECs produce osteopontin to promote immunosuppressive macrophage (Mφ) phenotypes. Genetic or pharmacological ablation of Twist1 reverses Mφ-mediated immunosuppression and enhances T cell infiltration and activation, leading to reduced GBM growth and extended mouse survival, and sensitizing tumor to chimeric antigen receptor T immunotherapy. Thus, these findings uncover a spatially restricted mechanism controlling tumor immunity and suggest that targeting endothelial Twist1 may offer attractive opportunities for optimizing cancer immunotherapy.
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Affiliation(s)
- Fan Yang
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Md Naushad Akhtar
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Duo Zhang
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rakan El-Mayta
- Department of Bioengineering, University of Pennsylvania School of Engineering and Applied Science, Philadelphia, PA 19104, USA
| | - Junyoung Shin
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jay F. Dorsey
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Lin Zhang
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Xiaowei Xu
- Department of Pathology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Wei Guo
- Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Stephen J. Bagley
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Serge Y Fuchs
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Constantinos Koumenis
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Justin D. Lathia
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Michael J. Mitchell
- Department of Bioengineering, University of Pennsylvania School of Engineering and Applied Science, Philadelphia, PA 19104, USA
| | - Yanqing Gong
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yi Fan
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104, USA
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7
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Nijim W, Moustafa M, Humble J, Al-Shabrawey M. Endothelial to mesenchymal cell transition in diabetic retinopathy: targets and therapeutics. FRONTIERS IN OPHTHALMOLOGY 2023; 3:1230581. [PMID: 38983088 PMCID: PMC11182279 DOI: 10.3389/fopht.2023.1230581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/11/2023] [Indexed: 07/11/2024]
Abstract
Diabetic retinopathy (DR) is a result of neurovacular insults from hyperglycemia in diabetes mellitus (DM), and it is one of the top causes of vision loss throughout the modern world. This review article explores the role endothelial to mesenchymal transition (EndMT) has on the pathogenesis of DR. EndMT contributes to the disruption of the blood-retinal barrier, vascular leakage, neovascularization, and fibrosis observed in DR. Risk factors and biomarkers associated with DR severity are discussed, highlighting the importance of early detection and targeted therapies. Current treatments primarily focus on anti-vascular endothelial growth factor (anti-VEGF) agents, corticosteroids, and laser photocoagulation. However, emerging therapeutic strategies aimed at inhibiting EndMT and its downstream effects show promise in preventing the development and progression of DR. Understanding the molecular and cellular mechanisms underlying EndMT in DR provides valuable insights into the disease process and offers potential options for the development of potential treatments.
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Affiliation(s)
- Wasef Nijim
- Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Mohamed Moustafa
- Eye Research Center, Oakland University William Beaumont School of Medicine, Rochester, MI, United States
- Eye Research Institute, Oakland University, Rochester, MI, United States
| | - Julia Humble
- Eye Research Center, Oakland University William Beaumont School of Medicine, Rochester, MI, United States
- Eye Research Institute, Oakland University, Rochester, MI, United States
| | - Mohamed Al-Shabrawey
- Eye Research Center, Oakland University William Beaumont School of Medicine, Rochester, MI, United States
- Eye Research Institute, Oakland University, Rochester, MI, United States
- Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI, United States
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8
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Wang E, Wang H, Chakrabarti S. Endothelial-to-mesenchymal transition: An underappreciated mediator of diabetic complications. Front Endocrinol (Lausanne) 2023; 14:1050540. [PMID: 36777351 PMCID: PMC9911675 DOI: 10.3389/fendo.2023.1050540] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/17/2023] [Indexed: 01/28/2023] Open
Abstract
Diabetes and its complications represent a great burden on the global healthcare system. Diabetic complications are fundamentally diseases of the vasculature, with endothelial cells being the centerpiece of early hyperglycemia-induced changes. Endothelial-to-mesenchymal transition is a tightly regulated process that results in endothelial cells losing endothelial characteristics and developing mesenchymal traits. Although endothelial-to-mesenchymal transition has been found to occur within most of the major complications of diabetes, it has not been a major focus of study or a common target in the treatment or prevention of diabetic complications. In this review we summarize the importance of endothelial-to-mesenchymal transition in each major diabetic complication, examine specific mechanisms at play, and highlight potential mechanisms to prevent endothelial-to-mesenchymal transition in each of the major chronic complications of diabetes.
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9
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Ming Z, Vining B, Bagheri-Fam S, Harley V. SOX9 in organogenesis: shared and unique transcriptional functions. Cell Mol Life Sci 2022; 79:522. [PMID: 36114905 PMCID: PMC9482574 DOI: 10.1007/s00018-022-04543-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/13/2022] [Accepted: 08/31/2022] [Indexed: 11/28/2022]
Abstract
The transcription factor SOX9 is essential for the development of multiple organs including bone, testis, heart, lung, pancreas, intestine and nervous system. Mutations in the human SOX9 gene led to campomelic dysplasia, a haploinsufficiency disorder with several skeletal malformations frequently accompanied by 46, XY sex reversal. The mechanisms underlying the diverse SOX9 functions during organ development including its post-translational modifications, the availability of binding partners, and tissue-specific accessibility to target gene chromatin. Here we summarize the expression, activities, and downstream target genes of SOX9 in molecular genetic pathways essential for organ development, maintenance, and function. We also provide an insight into understanding the mechanisms that regulate the versatile roles of SOX9 in different organs.
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Affiliation(s)
- Zhenhua Ming
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Brittany Vining
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Stefan Bagheri-Fam
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Vincent Harley
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia.
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia.
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10
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Yan S, Peng Y, Lu J, Shakil S, Shi Y, Crossman DK, Johnson WH, Liu S, Rokosh DG, Lincoln J, Wang Q, Jiao K. Differential requirement for DICER1 activity during the development of mitral and tricuspid valves. J Cell Sci 2022; 135:jcs259783. [PMID: 35946425 PMCID: PMC9482344 DOI: 10.1242/jcs.259783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 08/02/2022] [Indexed: 12/14/2022] Open
Abstract
Mitral and tricuspid valves are essential for unidirectional blood flow in the heart. They are derived from similar cell sources, and yet congenital dysplasia affecting both valves is clinically rare, suggesting the presence of differential regulatory mechanisms underlying their development. Here, we specifically inactivated Dicer1 in the endocardium during cardiogenesis and found that Dicer1 deletion caused congenital mitral valve stenosis and regurgitation, whereas it had no impact on other valves. We showed that hyperplastic mitral valves were caused by abnormal condensation and extracellular matrix (ECM) remodeling. Our single-cell RNA sequencing analysis revealed impaired maturation of mesenchymal cells and abnormal expression of ECM genes in mutant mitral valves. Furthermore, expression of a set of miRNAs that target ECM genes was significantly lower in tricuspid valves compared to mitral valves, consistent with the idea that the miRNAs are differentially required for mitral and tricuspid valve development. We thus reveal miRNA-mediated gene regulation as a novel molecular mechanism that differentially regulates mitral and tricuspid valve development, thereby enhancing our understanding of the non-association of inborn mitral and tricuspid dysplasia observed clinically.
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Affiliation(s)
- Shun Yan
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Yin Peng
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Jin Lu
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Saima Shakil
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Yang Shi
- Department of Population Health Science, and Department of Neuroscience & Regenerative Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - David K. Crossman
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Walter H. Johnson
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Department of Pediatrics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Shanrun Liu
- Department of Biochemistry and Molecular Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Donald G. Rokosh
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Joy Lincoln
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- The Herma Heart Institute, Division of Pediatric Cardiology, Children's Wisconsin, Milwaukee, WI 53226, USA
| | - Qin Wang
- Department of Cell, Developmental and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Department of Neuroscience & Regenerative Medicine, Medical College of Georgia at Augusta University, August, GA 30912, USA
| | - Kai Jiao
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
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11
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He L, Zhang CL, Chen Q, Wang L, Huang Y. Endothelial shear stress signal transduction and atherogenesis: From mechanisms to therapeutics. Pharmacol Ther 2022; 235:108152. [PMID: 35122834 DOI: 10.1016/j.pharmthera.2022.108152] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/13/2022] [Accepted: 01/27/2022] [Indexed: 10/19/2022]
Abstract
Atherosclerotic vascular disease and its complications are among the top causes of mortality worldwide. In the vascular lumen, atherosclerotic plaques are not randomly distributed. Instead, they are preferentially localized at the curvature and bifurcations along the arterial tree, where shear stress is low or disturbed. Numerous studies demonstrate that endothelial cell phenotypic change (e.g., inflammation, oxidative stress, endoplasmic reticulum stress, apoptosis, autophagy, endothelial-mesenchymal transition, endothelial permeability, epigenetic regulation, and endothelial metabolic adaptation) induced by oscillatory shear force play a fundamental role in the initiation and progression of atherosclerosis. Mechano-sensors, adaptor proteins, kinases, and transcriptional factors work closely at different layers to transduce the shear stress force from the plasma membrane to the nucleus in endothelial cells, thereby controlling the expression of genes that determine cell fate and phenotype. An in-depth understanding of these mechano-sensitive signaling cascades shall provide new translational strategies for therapeutic intervention of atherosclerotic vascular disease. This review updates the recent advances in endothelial mechano-transduction and its role in the pathogenesis of atherosclerosis, and highlights the perspective of new anti-atherosclerosis therapies through targeting these mechano-regulated signaling molecules.
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Affiliation(s)
- Lei He
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Cheng-Lin Zhang
- Department of Pathophysiology, School of Basic Medical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, China; Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - Qinghua Chen
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Li Wang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Yu Huang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China.
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12
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Sepporta MV, Praz V, Balmas Bourloud K, Joseph JM, Jauquier N, Riggi N, Nardou-Auderset K, Petit A, Scoazec JY, Sartelet H, Renella R, Mühlethaler-Mottet A. TWIST1 expression is associated with high-risk neuroblastoma and promotes primary and metastatic tumor growth. Commun Biol 2022; 5:42. [PMID: 35022561 PMCID: PMC8755726 DOI: 10.1038/s42003-021-02958-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 12/09/2021] [Indexed: 11/09/2022] Open
Abstract
The embryonic transcription factors TWIST1/2 are frequently overexpressed in cancer, acting as multifunctional oncogenes. Here we investigate their role in neuroblastoma (NB), a heterogeneous childhood malignancy ranging from spontaneous regression to dismal outcomes despite multimodal therapy. We first reveal the association of TWIST1 expression with poor survival and metastasis in primary NB, while TWIST2 correlates with good prognosis. Secondly, suppression of TWIST1 by CRISPR/Cas9 results in a reduction of tumor growth and metastasis colonization in immunocompromised mice. Moreover, TWIST1 knockout tumors display a less aggressive cellular morphology and a reduced disruption of the extracellular matrix (ECM) reticulin network. Additionally, we identify a TWIST1-mediated transcriptional program associated with dismal outcome in NB and involved in the control of pathways mainly linked to the signaling, migration, adhesion, the organization of the ECM, and the tumor cells versus tumor stroma crosstalk. Taken together, our findings confirm TWIST1 as promising therapeutic target in NB.
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Affiliation(s)
- Maria-Vittoria Sepporta
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Viviane Praz
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Experimental Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Katia Balmas Bourloud
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Jean-Marc Joseph
- Pediatric Surgery, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nicolas Jauquier
- Pediatric Surgery, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nicolò Riggi
- Experimental Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Katya Nardou-Auderset
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Ophthalmic Hospital Jules-Gonin - Fondation Asile Des Aveugles, Lausanne, Switzerland
| | - Audrey Petit
- Department of Pathology, Medical University of Grenoble, Grenoble, France
- Pediatric Hematology Oncology Department, CHU de la Timone, Marseille, France
| | - Jean-Yves Scoazec
- Department of Biology and Medical Pathology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Hervé Sartelet
- Department of Pathology, Medical University of Grenoble, Grenoble, France
- Department of Biopathology, CHRU de Nancy, University of Lorraine, Nancy, France
| | - Raffaele Renella
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Annick Mühlethaler-Mottet
- Pediatric Hematology-Oncology Research Laboratory, Woman-Mother-Child Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
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13
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Gunawan F, Priya R, Stainier DYR. Sculpting the heart: Cellular mechanisms shaping valves and trabeculae. Curr Opin Cell Biol 2021; 73:26-34. [PMID: 34147705 DOI: 10.1016/j.ceb.2021.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 04/30/2021] [Indexed: 12/13/2022]
Abstract
The transformation of the heart from a simple tube to a complex organ requires the orchestration of several morphogenetic processes. Two structures critical for cardiac function, the cardiac valves and the trabecular network, are formed through extensive tissue morphogenesis-endocardial cell migration, deadhesion and differentiation into fibroblast-like cells during valve formation, and cardiomyocyte delamination and apico-basal depolarization during trabeculation. Here, we review current knowledge of how these specialized structures acquire their shape by focusing on the underlying cellular behaviors and molecular mechanisms, highlighting findings from in vivo models and briefly discussing the recent advances in cardiac cell culture and organoids.
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Affiliation(s)
- Felix Gunawan
- Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, Bad Nauheim 61231, Germany; German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim, Germany; Excellence Cluster Cardio-Pulmonary Institute (CPI), Bad Nauheim, Frankfurt, Giessen, Germany.
| | - Rashmi Priya
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
| | - Didier Y R Stainier
- Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, Bad Nauheim 61231, Germany; German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim, Germany; Excellence Cluster Cardio-Pulmonary Institute (CPI), Bad Nauheim, Frankfurt, Giessen, Germany.
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14
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Yuzhalin AE. Parallels between the extracellular matrix roles in developmental biology and cancer biology. Semin Cell Dev Biol 2021; 128:90-102. [PMID: 34556419 DOI: 10.1016/j.semcdb.2021.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/07/2021] [Accepted: 09/12/2021] [Indexed: 12/28/2022]
Abstract
Interaction of a tumor with its microenvironment is an emerging field of investigation, and the crosstalk between cancer cells and the extracellular matrix is of particular interest, since cancer patients with abundant and stiff extracellular matrices display a poorer prognosis. At the post-juvenile stage, the extracellular matrix plays predominantly a structural role by providing support to cells and tissues; however, during development, matrix proteins exert a plethora of diverse signals to guide the movement and determine the fate of pluripotent cells. Taking a closer look at the communication between the extracellular matrix and cells of a developing body may bring new insights into cancer biology and identify cancer weaknesses. This review discusses parallels between the extracellular matrix roles during development and tumor growth.
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Affiliation(s)
- Arseniy E Yuzhalin
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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15
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Kenswil KJG, Pisterzi P, Sánchez-Duffhues G, van Dijk C, Lolli A, Knuth C, Vanchin B, Jaramillo AC, Hoogenboezem RM, Sanders MA, Feyen J, Cupedo T, Costa IG, Li R, Bindels EMJ, Lodder K, Blom B, Bos PK, Goumans MJ, Ten Dijke P, Farrell E, Krenning G, Raaijmakers MHGP. Endothelium-derived stromal cells contribute to hematopoietic bone marrow niche formation. Cell Stem Cell 2021; 28:653-670.e11. [PMID: 33561425 DOI: 10.1016/j.stem.2021.01.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 09/29/2020] [Accepted: 01/11/2021] [Indexed: 12/22/2022]
Abstract
Bone marrow stromal cells (BMSCs) play pivotal roles in tissue maintenance and regeneration. Their origins, however, remain incompletely understood. Here we identify rare LNGFR+ cells in human fetal and regenerative bone marrow that co-express endothelial and stromal markers. This endothelial subpopulation displays transcriptional reprogramming consistent with endothelial-to-mesenchymal transition (EndoMT) and can generate multipotent stromal cells that reconstitute the bone marrow (BM) niche upon transplantation. Single-cell transcriptomics and lineage tracing in mice confirm robust and sustained contributions of EndoMT to bone precursor and hematopoietic niche pools. Interleukin-33 (IL-33) is overexpressed in subsets of EndoMT cells and drives this conversion process through ST2 receptor signaling. These data reveal generation of tissue-forming BMSCs from mouse and human endothelial cells and may be instructive for approaches to human tissue regeneration.
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Affiliation(s)
| | - Paola Pisterzi
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam 3015 CN, the Netherlands
| | - Gonzalo Sánchez-Duffhues
- Department of Cell and Chemical Biology, Leiden University Medical Centre, Leiden 2300 RC, the Netherlands
| | - Claire van Dijk
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam 3015 CN, the Netherlands
| | - Andrea Lolli
- Department of Oral and Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam 3000 DR, the Netherlands
| | - Callie Knuth
- Department of Oral and Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam 3000 DR, the Netherlands
| | - Byambasuren Vanchin
- Cardiovascular Regenerative Medicine Research Group, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen 9713 GZ, the Netherlands
| | | | | | - Mathijs Arnoud Sanders
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam 3015 CN, the Netherlands
| | - Jacqueline Feyen
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam 3015 CN, the Netherlands
| | - Tom Cupedo
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam 3015 CN, the Netherlands
| | - Ivan G Costa
- Institute for Computational Genomics, Joint Research Center for Computational Biomedicine, RWTH Aachen, Aachen 52074, Germany
| | - Ronghui Li
- Institute for Computational Genomics, Joint Research Center for Computational Biomedicine, RWTH Aachen, Aachen 52074, Germany
| | | | - Kirsten Lodder
- Department of Cell and Chemical Biology, Leiden University Medical Centre, Leiden 2300 RC, the Netherlands
| | - Bianca Blom
- Amsterdam UMC, University of Amsterdam, Department of Experimental Immunology, Amsterdam institute for Infection & Immunity, Amsterdam 1105 AZ, the Netherlands
| | - Pieter Koen Bos
- Department of Orthopaedics, Erasmus MC, Rotterdam 3015CE, the Netherlands
| | - Marie-José Goumans
- Department of Cell and Chemical Biology, Leiden University Medical Centre, Leiden 2300 RC, the Netherlands
| | - Peter Ten Dijke
- Department of Cell and Chemical Biology, Leiden University Medical Centre, Leiden 2300 RC, the Netherlands; Oncode Institute, Leiden University Medical Centre, Leiden 2300 RC, the Netherlands
| | - Eric Farrell
- Department of Oral and Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam 3000 DR, the Netherlands
| | - Guido Krenning
- Cardiovascular Regenerative Medicine Research Group, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen 9713 GZ, the Netherlands
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16
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Abstract
The developing heart is formed of two tissue layers separated by an extracellular matrix (ECM) that provides chemical and physical signals to cardiac cells. While deposition of specific ECM components creates matrix diversity, the cardiac ECM is also dynamic, with modification and degradation playing important roles in ECM maturation and function. In this Review, we discuss the spatiotemporal changes in ECM composition during cardiac development that support distinct aspects of heart morphogenesis. We highlight conserved requirements for specific ECM components in human cardiac development, and discuss emerging evidence of a central role for the ECM in promoting heart regeneration.
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Affiliation(s)
| | - Emily S Noël
- Department of Biomedical Science, University of Sheffield, Sheffield S10 2TN, UK
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17
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Son M, Oh S, Jang JT, Son KH, Byun K. Pyrogallol-Phloroglucinol-6 6-Bieckol on Attenuates High-Fat Diet-Induced Hypertension by Modulating Endothelial-to-Mesenchymal Transition in the Aorta of Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8869085. [PMID: 33574986 PMCID: PMC7857897 DOI: 10.1155/2021/8869085] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/20/2020] [Accepted: 01/05/2021] [Indexed: 12/13/2022]
Abstract
Endothelial-to-mesenchymal transition (EndMT), which is involved in the development of various cardiovascular diseases, is induced by dyslipidemia or obesity. In dyslipidemia, the increased levels of oxidized low-density lipoproteins (oxLDL) upregulated the lectin-type oxidized LDL receptor 1 (Lox-1), which then upregulated the down signaling pathways of PKC-α/MMPs/TGF-β/SMAD2 or 3 and increased the EndMT. In this study, we investigated the effect of pyrogallol-phloroglucinol-6,6-bieckol (PPB), which is a compound of Ecklonia cava (E. cava), on decreased blood pressure (BP) by attenuating the EndMT in a high-fat diet- (HFD-) fed animal model. We also investigated PPB's attenuation effect on EndMT in oxLDL-treated mouse endothelial cells as an in vitro model. The results indicated that, in the aorta or endothelial cells of mice, the HFD or oxLDL treatment significantly increased the expression of Lox-1/PKC-α/MMP9/TGF-β/SMAD2/SMAD3. The PPB treatment significantly decreased its expression. In contrast, the HFD or oxLDL treatment significantly decreased the expression of the EC markers (PECAM-1 and vWF) while the PPB treatment significantly increased them. Moreover, the HFD or oxLDL treatment significantly increased the expression of the mesenchymal cell markers (α-SMA and vimentin) while PPB treatment significantly decreased them. PPB decreased the intima-media thickness and extracellular matrix amount of the aorta and attenuated the BP, which was increased by the HFD. In conclusion, PPB attenuated the upregulation of Lox-1/PKC-α/MMP9/TGF-β/SMAD2 and 3 and restored the EndMT in HFD-fed animals. Moreover, PPB showed a restoring effect on HFD-induced hypertension.
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Affiliation(s)
- Myeongjoo Son
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Seyeon Oh
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
| | - Ji Tae Jang
- Aqua Green Technology Co., Ltd., Smart Bldg., Jeju Science Park, Cheomdan-ro, Jeju 63243, Republic of Korea
| | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
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18
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Mahmoud M, Souilhol C, Serbanovic-Canic J, Evans P. GATA4-Twist1 Signalling in Disturbed Flow-Induced Atherosclerosis. Cardiovasc Drugs Ther 2020; 33:231-237. [PMID: 30809744 DOI: 10.1007/s10557-019-06863-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Endothelial cell (EC) dysfunction (enhanced inflammation, proliferation and permeability) is the initial trigger for atherosclerosis. Atherosclerosis shows preferential development near branches and bends exposed to disturbed blood flow. By contrast, sites that are exposed to non-disturbed blood flow are atheroprotected. Disturbed flow promotes atherosclerosis by promoting EC dysfunction. Blood flow controls EC function through transcriptional and post-transcriptional mechanisms that are incompletely understood. METHODS AND RESULTS We identified the developmental transcription factors Twist1 and GATA4 as being enriched in EC at disturbed flow, atheroprone regions of the porcine aorta in a microarray study. Further work using the porcine and murine aortae demonstrated that Twist1 and GATA4 expression was enhanced at the atheroprone, disturbed flow sites in vivo. Using controlled in vitro flow systems, the expression of Twist1 and GATA4 was enhanced under disturbed compared to non-disturbed flow in cultured cells. Disturbed flow promoted Twist1 expression through a GATA4-mediated transcriptional mechanism as revealed by a series of in vivo and in vitro studies. GATA4-Twist1 signalling promoted EC proliferation, inflammation, permeability and endothelial-to-mesenchymal transition (EndoMT) under disturbed flow, leading to atherosclerosis development, as shown in a combination of in vitro and in vivo studies using GATA4 and Twist1-specific siRNA and EC-specific GATA4 and Twist1 Knock out (KO) mice. CONCLUSIONS We revealed that GATA4-Twist1-Snail signalling triggers EC dysfunction and atherosclerosis; this work could lead to the development of novel anti-atherosclerosis therapeutics.
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Affiliation(s)
- Marwa Mahmoud
- Department of Biomedical Engineering, The City College of New York, New York, NY, 10031, USA.
| | - Celine Souilhol
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Paul Evans
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
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19
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Gunawan F, Gentile A, Gauvrit S, Stainier DYR, Bensimon-Brito A. Nfatc1 Promotes Interstitial Cell Formation During Cardiac Valve Development in Zebrafish. Circ Res 2020; 126:968-984. [PMID: 32070236 DOI: 10.1161/circresaha.119.315992] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
RATIONALE The transcription factor NFATC1 (nuclear factor of activated T-cell 1) has been implicated in cardiac valve formation in humans and mice, but we know little about the underlying mechanisms. To gain mechanistic understanding of cardiac valve formation at single-cell resolution and insights into the role of NFATC1 in this process, we used the zebrafish model as it offers unique attributes for live imaging and facile genetics. OBJECTIVE To understand the role of Nfatc1 in cardiac valve formation. METHODS AND RESULTS Using the zebrafish atrioventricular valve, we focus on the valve interstitial cells (VICs), which confer biomechanical strength to the cardiac valve leaflets. We find that initially atrioventricular endocardial cells migrate collectively into the cardiac jelly to form a bilayered structure; subsequently, the cells that led this migration invade the ECM (extracellular matrix) between the 2 endocardial cell monolayers, undergo endothelial-to-mesenchymal transition as marked by loss of intercellular adhesion, and differentiate into VICs. These cells proliferate and are joined by a few neural crest-derived cells. VIC expansion and a switch from a promigratory to an elastic ECM drive valve leaflet elongation. Functional analysis of Nfatc1 reveals its requirement during VIC development. Zebrafish nfatc1 mutants form significantly fewer VICs due to reduced proliferation and impaired recruitment of endocardial and neural crest cells during the early stages of VIC development. With high-speed microscopy and echocardiography, we show that reduced VIC formation correlates with valvular dysfunction and severe retrograde blood flow that persist into adulthood. Analysis of downstream effectors reveals that Nfatc1 promotes the expression of twist1b-a well-known regulator of epithelial-to-mesenchymal transition. CONCLUSIONS Our study sheds light on the function of Nfatc1 in zebrafish cardiac valve development and reveals its role in VIC formation. It also further establishes the zebrafish as a powerful model to carry out longitudinal studies of valve formation and function.
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Affiliation(s)
- Felix Gunawan
- From the Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (F.G., A.G., S.G., D.Y.R.S., A.B.-B.).,German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim (F.G., S.G., D.Y.R.S., A.B.-B.)
| | - Alessandra Gentile
- From the Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (F.G., A.G., S.G., D.Y.R.S., A.B.-B.)
| | - Sébastien Gauvrit
- From the Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (F.G., A.G., S.G., D.Y.R.S., A.B.-B.).,German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim (F.G., S.G., D.Y.R.S., A.B.-B.)
| | - Didier Y R Stainier
- From the Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (F.G., A.G., S.G., D.Y.R.S., A.B.-B.).,German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim (F.G., S.G., D.Y.R.S., A.B.-B.)
| | - Anabela Bensimon-Brito
- From the Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (F.G., A.G., S.G., D.Y.R.S., A.B.-B.).,German Centre for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Bad Nauheim (F.G., S.G., D.Y.R.S., A.B.-B.)
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20
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Souilhol C, Serbanovic-Canic J, Fragiadaki M, Chico TJ, Ridger V, Roddie H, Evans PC. Endothelial responses to shear stress in atherosclerosis: a novel role for developmental genes. Nat Rev Cardiol 2020; 17:52-63. [PMID: 31366922 DOI: 10.1038/s41569-41019-40239-41565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/04/2019] [Indexed: 05/28/2023]
Abstract
Flowing blood generates a frictional force called shear stress that has major effects on vascular function. Branches and bends of arteries are exposed to complex blood flow patterns that exert low or low oscillatory shear stress, a mechanical environment that promotes vascular dysfunction and atherosclerosis. Conversely, physiologically high shear stress is protective. Endothelial cells are critical sensors of shear stress but the mechanisms by which they decode complex shear stress environments to regulate physiological and pathophysiological responses remain incompletely understood. Several laboratories have advanced this field by integrating specialized shear-stress models with systems biology approaches, including transcriptome, methylome and proteome profiling and functional screening platforms, for unbiased identification of novel mechanosensitive signalling pathways in arteries. In this Review, we describe these studies, which reveal that shear stress regulates diverse processes and demonstrate that multiple pathways classically known to be involved in embryonic development, such as BMP-TGFβ, WNT, Notch, HIF1α, TWIST1 and HOX family genes, are regulated by shear stress in arteries in adults. We propose that mechanical activation of these pathways evolved to orchestrate vascular development but also drives atherosclerosis in low shear stress regions of adult arteries.
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Affiliation(s)
- Celine Souilhol
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Maria Fragiadaki
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Timothy J Chico
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre for Lifecourse Biology, University of Sheffield, Sheffield, UK
| | - Victoria Ridger
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Hannah Roddie
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Paul C Evans
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK.
- Bateson Centre for Lifecourse Biology, University of Sheffield, Sheffield, UK.
- INSIGNEO Institute for In Silico Medicine, University of Sheffield, Sheffield, UK.
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21
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Souilhol C, Serbanovic-Canic J, Fragiadaki M, Chico TJ, Ridger V, Roddie H, Evans PC. Endothelial responses to shear stress in atherosclerosis: a novel role for developmental genes. Nat Rev Cardiol 2020; 17:52-63. [PMID: 31366922 DOI: 10.1038/s41569-019-0239-5] [Citation(s) in RCA: 228] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/04/2019] [Indexed: 01/04/2023]
Abstract
Flowing blood generates a frictional force called shear stress that has major effects on vascular function. Branches and bends of arteries are exposed to complex blood flow patterns that exert low or low oscillatory shear stress, a mechanical environment that promotes vascular dysfunction and atherosclerosis. Conversely, physiologically high shear stress is protective. Endothelial cells are critical sensors of shear stress but the mechanisms by which they decode complex shear stress environments to regulate physiological and pathophysiological responses remain incompletely understood. Several laboratories have advanced this field by integrating specialized shear-stress models with systems biology approaches, including transcriptome, methylome and proteome profiling and functional screening platforms, for unbiased identification of novel mechanosensitive signalling pathways in arteries. In this Review, we describe these studies, which reveal that shear stress regulates diverse processes and demonstrate that multiple pathways classically known to be involved in embryonic development, such as BMP-TGFβ, WNT, Notch, HIF1α, TWIST1 and HOX family genes, are regulated by shear stress in arteries in adults. We propose that mechanical activation of these pathways evolved to orchestrate vascular development but also drives atherosclerosis in low shear stress regions of adult arteries.
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Affiliation(s)
- Celine Souilhol
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Maria Fragiadaki
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Timothy J Chico
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre for Lifecourse Biology, University of Sheffield, Sheffield, UK
| | - Victoria Ridger
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Hannah Roddie
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Paul C Evans
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK.
- Bateson Centre for Lifecourse Biology, University of Sheffield, Sheffield, UK.
- INSIGNEO Institute for In Silico Medicine, University of Sheffield, Sheffield, UK.
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Ji LJ, Su J, Xu AL, Pang B, Huang QM. MiR-134-5p attenuates neuropathic pain progression through targeting Twist1. J Cell Biochem 2019; 120:1694-1701. [PMID: 30187947 DOI: 10.1002/jcb.27486] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 07/18/2018] [Indexed: 01/24/2023]
Abstract
Neuropathic pain is a kind of chronic pain because of dysfunctions of somatosensory nerve system. Recently, many studies have demonstrated that microRNAs (miRs) play crucial roles in neuropathic pain development. This study was designed to investigate the effects of miR-134-5p on the process of neuropathic pain progression in a rat model established by chronic sciatic nerve injury (CCI). First, we observed that miR-134-5p was significantly decreased in CCI rat models. Overexpression of miR-134-5p strongly alleviated neuropathic pain behaviors including mechanical and thermal hyperalgesia. Meanwhile, inflammatory cytokine expression, such as IL-6, IL-1β and TNF-α in CCI rats were greatly repressed by upregulation of miR-134-5p. Twist1 has been widely regarded as a poor prognosis biomarker in diverse diseases. Here, by using bioinformatic analysis, 3'-untranslated region (UTR) of Twist1 was predicted to be a downstream target of miR-134-5p in our study. Here, we found that overexpression of miR-134-5p was able to suppress Twist1 dramatically. Furthermore, it was exhibited that Twist1 was increased in CCI rats time-dependently and Twist1 was inhibited in vivo. Subsequently, downregulation of Twist1 in CCI rats could depress neuropathic pain progression via inhibiting neuroinflammation. In conclusion, our current study indicated that miR-134-5p may inhibit neuropathic pain development through targeting Twist1. Our findings suggested that miR-134-5p might provide a novel therapeutic target for neuropathic pain.
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Affiliation(s)
- Li-Juan Ji
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jing Su
- Department of Rehabilitation, The Affiliated Huai'an Hospital of Xuzhou Medical College and The Second People's Hospital of Huai'an, Huai'an, China
| | - An-Le Xu
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Bo Pang
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Qiang-Min Huang
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
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Marcu R, Choi YJ, Xue J, Fortin CL, Wang Y, Nagao RJ, Xu J, MacDonald JW, Bammler TK, Murry CE, Muczynski K, Stevens KR, Himmelfarb J, Schwartz SM, Zheng Y. Human Organ-Specific Endothelial Cell Heterogeneity. iScience 2018; 4:20-35. [PMID: 30240741 PMCID: PMC6147238 DOI: 10.1016/j.isci.2018.05.003] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 04/24/2018] [Accepted: 05/03/2018] [Indexed: 12/20/2022] Open
Abstract
The endothelium first forms in the blood islands in the extra-embryonic yolk sac and then throughout the embryo to establish circulatory networks that further acquire organ-specific properties during development to support diverse organ functions. Here, we investigated the properties of endothelial cells (ECs), isolated from four human major organs-the heart, lung, liver, and kidneys-in individual fetal tissues at three months' gestation, at gene expression, and at cellular function levels. We showed that organ-specific ECs have distinct expression patterns of gene clusters, which support their specific organ development and functions. These ECs displayed distinct barrier properties, angiogenic potential, and metabolic rate and support specific organ functions. Our findings showed the link between human EC heterogeneity and organ development and can be exploited therapeutically to contribute in organ regeneration, disease modeling, as well as guiding differentiation of tissue-specific ECs from human pluripotent stem cells.
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Affiliation(s)
- Raluca Marcu
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Yoon Jung Choi
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Jun Xue
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Chelsea L Fortin
- Department of Pathology, University of Washington, Seattle, WA, USA
| | - Yuliang Wang
- Department of Computer Science & Engineering, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA
| | - Ryan J Nagao
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Jin Xu
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - James W MacDonald
- Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Theo K Bammler
- Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Charles E Murry
- Department of Bioengineering, University of Washington, Seattle, WA, USA; Department of Pathology, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA; Department of Medicine, University of Washington, Seattle, WA, USA
| | | | - Kelly R Stevens
- Department of Bioengineering, University of Washington, Seattle, WA, USA; Department of Pathology, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA
| | - Jonathan Himmelfarb
- Department of Medicine, University of Washington, Seattle, WA, USA; Kidney Research Institute, University of Washington, Seattle, WA, USA
| | | | - Ying Zheng
- Department of Bioengineering, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA; Kidney Research Institute, University of Washington, Seattle, WA, USA.
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24
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Souilhol C, Harmsen MC, Evans PC, Krenning G. Endothelial–mesenchymal transition in atherosclerosis. Cardiovasc Res 2018; 114:565-577. [DOI: 10.1093/cvr/cvx253] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 01/02/2018] [Indexed: 12/12/2022] Open
Affiliation(s)
- Celine Souilhol
- Department of Infection, Immunity & Cardiovascular Disease (IICD), Faculty of Medicine, Dentistry & Health, Royal Hallamshire Hospital, University of Sheffield, Sheffield, UK
| | - Martin C Harmsen
- Laboratory for Cardiovascular Regenerative Medicine, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713GZ Groningen, The Netherlands
| | - Paul C Evans
- Department of Infection, Immunity & Cardiovascular Disease (IICD), Faculty of Medicine, Dentistry & Health, Royal Hallamshire Hospital, University of Sheffield, Sheffield, UK
| | - Guido Krenning
- Laboratory for Cardiovascular Regenerative Medicine, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713GZ Groningen, The Netherlands
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25
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Perrucci GL, Zanobini M, Gripari P, Songia P, Alshaikh B, Tremoli E, Poggio P. Pathophysiology of Aortic Stenosis and Mitral Regurgitation. Compr Physiol 2017. [PMID: 28640443 DOI: 10.1002/cphy.c160020] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The global impact of the spectrum of valve diseases is a crucial, fast-growing, and underrecognized health problem. The most prevalent valve diseases, requiring surgical intervention, are represented by calcific and degenerative processes occurring in heart valves, in particular, aortic and mitral valve. Due to the increasing elderly population, these pathologies will gain weight in the global health burden. The two most common valve diseases are aortic valve stenosis (AVS) and mitral valve regurgitation (MR). AVS is the most commonly encountered valve disease nowadays and affects almost 5% of elderly population. In particular, AVS poses a great challenge due to the multiple comorbidities and frailty of this patient subset. MR is also a common valve pathology and has an estimated prevalence of 3% in the general population, affecting more than 176 million people worldwide. This review will focus on pathophysiological changes in both these valve diseases, starting from the description of the anatomical aspects of normal valve, highlighting all the main cellular and molecular features involved in the pathological progression and cardiac consequences. This review also evaluates the main approaches in clinical management of these valve diseases, taking into account of the main published clinical guidelines. © 2017 American Physiological Society. Compr Physiol 7:799-818, 2017.
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Affiliation(s)
- Gianluca L Perrucci
- Centro Cardiologico Monzino, IRCCS, Milan, Italy.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | | | | | - Paola Songia
- Centro Cardiologico Monzino, IRCCS, Milan, Italy
| | | | | | - Paolo Poggio
- Centro Cardiologico Monzino, IRCCS, Milan, Italy
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26
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Hasei J, Teramura T, Takehara T, Onodera Y, Horii T, Olmer M, Hatada I, Fukuda K, Ozaki T, Lotz MK, Asahara H. TWIST1 induces MMP3 expression through up-regulating DNA hydroxymethylation and promotes catabolic responses in human chondrocytes. Sci Rep 2017; 7:42990. [PMID: 28220902 PMCID: PMC5318945 DOI: 10.1038/srep42990] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 01/18/2017] [Indexed: 02/05/2023] Open
Abstract
The objective was to investigate the levels of TWIST1 in normal and OA cartilage and examine its role in regulating gene expression in chondrocytes. Human cartilage tissues and chondrocytes were obtained at autopsy from normal knee joints and from OA-affected joints at the time of total knee arthroplasty. TWIST1 expression was increased in human OA knee cartilage compared to normal knee cartilage. TWIST1 induced matrix metalloproteinase 3 (MMP3) expression without direct binding to MMP3 promoter and increased the 5-hydroxymethylcytosine (5hmC) level at the MMP3 promoter. The effect of TWIST1 on expression of TET family (TET1, 2 and 3) was measured in stable TWIST1 transfected TC28 cells, and TET1 expression was up-regulated. TWIST1 dependent upregulation of Mmp3 expression was suppressed in Tet triple KO fibroblast derived from mouse ES cells. Increased TWIST1 expression is a feature of OA-affected cartilage. We identified a novel mechanism of catabolic reaction where TWIST1 up-regulates MMP3 expression by enriching 5hmC levels at the MMP3 promoter via TET1 induction. These findings implicate TWIST1 as an important factor regulating OA related gene expression. Clarifying epigenetic mechanisms of 5hmC induced by TWIST1 is a critical molecule to understanding OA pathogenesis.
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Affiliation(s)
- Joe Hasei
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Takeshi Teramura
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
- Division of Cell Biology for Regenerative Medicine, Institute of Advanced Clinical Medicine, Kindai University, Faculty of Medicine, Osaka, Japan
| | - Toshiyuki Takehara
- Division of Cell Biology for Regenerative Medicine, Institute of Advanced Clinical Medicine, Kindai University, Faculty of Medicine, Osaka, Japan
| | - Yuta Onodera
- Division of Cell Biology for Regenerative Medicine, Institute of Advanced Clinical Medicine, Kindai University, Faculty of Medicine, Osaka, Japan
| | - Takuro Horii
- Laboratory of Genome Science, Biosignal Genome Resource Center, Institute for Molecular and Cellular Regulation, Gunma University, Gunma, Japan
| | - Merissa Olmer
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Izuho Hatada
- Laboratory of Genome Science, Biosignal Genome Resource Center, Institute for Molecular and Cellular Regulation, Gunma University, Gunma, Japan
| | - Kanji Fukuda
- Division of Cell Biology for Regenerative Medicine, Institute of Advanced Clinical Medicine, Kindai University, Faculty of Medicine, Osaka, Japan
- Department of Rehabilitation Medicine, Kindai University, Faculty of Medicine, Osaka, Japan
| | - Toshifumi Ozaki
- Science of Functional Recovery and Reconstruction, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Martin K. Lotz
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Hiroshi Asahara
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
- Department of Systems BioMedicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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27
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Wu B, Wang Y, Xiao F, Butcher JT, Yutzey KE, Zhou B. Developmental Mechanisms of Aortic Valve Malformation and Disease. Annu Rev Physiol 2017; 79:21-41. [DOI: 10.1146/annurev-physiol-022516-034001] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bingruo Wu
- Departments of Genetics, Pediatrics, and Medicine (Cardiology), Wilf Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York 10461;
| | - Yidong Wang
- Departments of Genetics, Pediatrics, and Medicine (Cardiology), Wilf Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York 10461;
| | - Feng Xiao
- Departments of Genetics, Pediatrics, and Medicine (Cardiology), Wilf Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York 10461;
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029 China
| | - Jonathan T. Butcher
- Department of Biomedical Engineering, Cornell University, Ithaca, New York 14853;
| | - Katherine E. Yutzey
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Medical Center, Cincinnati, Ohio 45229;
| | - Bin Zhou
- Departments of Genetics, Pediatrics, and Medicine (Cardiology), Wilf Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York 10461;
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029 China
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28
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Li XF, Wang Y, Zheng DD, Xu HX, Wang T, Pan M, Shi JH, Zhu JH. M1 macrophages promote aortic valve calcification mediated by microRNA-214/TWIST1 pathway in valvular interstitial cells. Am J Transl Res 2017; 8:5773-5783. [PMID: 28078049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 11/05/2016] [Indexed: 09/28/2022]
Abstract
OBJECTIVE The identification of the biological function of M1 macrophages and the mechanism underlying their role in valvular interstitial cell (VIC) calcification may provide therapeutic targets for the prevention of aortic valve calcification (AVC). This study investigated the mechanism by which M1 macrophages and macrophage-derived microvesicles (MVs) affected the calcification of VICs. An additional aim was to investigate the involvement of the miR-214 pathway in this process. METHODS The M1 or M2 macrophage phenotype in human calcific aortic valve was confirmed by gene expression analysis of M1 or M2 macrophage markers. Two macrophage cell lines (BMDMs and RAW 264.7 macrophages) were transformed into M1 macrophages by lipopolysaccharide (LPS) stimulation. To investigate the mechanism by which M1 macrophages promoted VIC calcification, the generated M1 macrophages and macrophage-derived MVs were co-cultured with VICs and VICs were then used for calcification or signals analysis. In addition, a hypercholesterolemic apoE-/- AVC murine model was used to evaluate the therapeutic efficacy of miR-214 specific-siRNA (miR-214 inhibitor). RESULTS Macrophages in calcific aortic valves showed M1-directed polarization. In the VICs co-cultured with LPS-stimulated M1 macrophages and macrophage-derived MVs, VIC calcification was enhanced, and the expression of TWIST1, a direct target of miR-214, was downregulated. We showed that knockdown of TWIST1 serves as a responding molecule for miR-214 and reversed the anti-calcification action of miR-214 inhibitor, mediating signal delivery by the M1 macrophage-derived MVs to VICs and promoting VIC calcification. When M1 macrophages co-cultured with VICs, TWIST1 overexpression in M1 macrophages had no effect on the expression of TWIST1 in VICs. As shown by intravenous therapy, knockdown of miR-214 in mice seemed to improve AVC in apoE-/- mice with high-cholesterol (HC)-diet induced AVC. CONCLUSIONS These findings suggested that M1 macrophages promoted AVC by the delivery of miR-214 to valvular interstitial cells via macrophage-derived MVs and subsequent downregulation of TWIST1 of valvular interstitial cells.
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Affiliation(s)
- Xiao-Fei Li
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Yan Wang
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Dong-Dong Zheng
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Hai-Xia Xu
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Teng Wang
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Min Pan
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Jia-Hai Shi
- Department of Cardio-Thoracic Surgery, Affiliated Hospital of Nantong University Nantong 226001, China
| | - Jian-Hua Zhu
- Department of Cardiology, Affiliated Hospital of Nantong University Nantong 226001, China
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29
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Sádaba JR, Martínez-Martínez E, Arrieta V, Álvarez V, Fernández-Celis A, Ibarrola J, Melero A, Rossignol P, Cachofeiro V, López-Andrés N. Role for Galectin-3 in Calcific Aortic Valve Stenosis. J Am Heart Assoc 2016; 5:JAHA.116.004360. [PMID: 27815266 PMCID: PMC5210369 DOI: 10.1161/jaha.116.004360] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Background Aortic stenosis (AS) is a chronic inflammatory disease, and calcification plays an important role in the progression of the disease. Galectin‐3 (Gal‐3) is a proinflammatory molecule involved in vascular osteogenesis in atherosclerosis. Therefore, we hypothesized that Gal‐3 could mediate valve calcification in AS. Methods and Results Blood samples and aortic valves (AVs) from 77 patients undergoing AV replacement were analyzed. As controls, noncalcified human AVs were obtained at autopsy (n=11). Gal‐3 was spontaneously expressed in valvular interstitial cells (VICs) from AVs and increased in AS as compared to control AVs. Positive correlations were found between circulating and valvular Gal‐3 levels. Valvular Gal‐3 colocalized with the VICs markers, alpha‐smooth muscle actin and vimentin, and with the osteogenic markers, osteopontin, bone morphogenetic protein 2, runt‐related transcription factor 2, and SRY (sex‐determining region Y)‐box 9. Gal‐3 also colocalized with the inflammatory markers cd68, cd80 and tumor necrosis factor alpha. In vitro, in VICs isolated from AVs, Gal‐3 induced expression of inflammatory, fibrotic, and osteogenic markers through the extracellular signal‐regulated kinase 1 and 2 pathway. Gal‐3 expression was blocked in VICs undergoing osteoblastic differentiation using its pharmacological inhibitor, modified citrus pectin, or the clustered regularly interspaced short palindromic repeats/Cas9 knockout system. Gal‐3 blockade and knockdown decreased the expression of inflammatory, fibrotic, and osteogenic markers in differentiated VICs. Conclusions Gal‐3, which is overexpressed in AVs from AS patients, appears to play a central role in calcification in AS. Gal‐3 could be a new therapeutic approach to delay the progression of AV calcification in AS.
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Affiliation(s)
- J Rafael Sádaba
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Ernesto Martínez-Martínez
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Vanessa Arrieta
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Virginia Álvarez
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Amaya Fernández-Celis
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Jaime Ibarrola
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Amaia Melero
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Patrick Rossignol
- INSERM, Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, Université de Lorraine French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Nancy, France
| | - Victoria Cachofeiro
- Department of Physiology, School of Medicine, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Universidad Complutense, Madrid, Spain
| | - Natalia López-Andrés
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain .,INSERM, Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, Université de Lorraine French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Nancy, France
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30
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Phenotypic differences in aortic stenosis according to calcification grade. Int J Cardiol 2016; 216:118-20. [PMID: 27153135 DOI: 10.1016/j.ijcard.2016.04.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 04/16/2016] [Indexed: 11/21/2022]
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31
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Mahmoud MM, Kim HR, Xing R, Hsiao S, Mammoto A, Chen J, Serbanovic-Canic J, Feng S, Bowden NP, Maguire R, Ariaans M, Francis SE, Weinberg PD, van der Heiden K, Jones EA, Chico TJA, Ridger V, Evans PC. TWIST1 Integrates Endothelial Responses to Flow in Vascular Dysfunction and Atherosclerosis. Circ Res 2016; 119:450-62. [PMID: 27245171 PMCID: PMC4959828 DOI: 10.1161/circresaha.116.308870] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 05/20/2016] [Accepted: 05/27/2016] [Indexed: 11/18/2022]
Abstract
RATIONALE Blood flow-induced shear stress controls endothelial cell (EC) physiology during atherosclerosis via transcriptional mechanisms that are incompletely understood. The mechanosensitive transcription factor TWIST is expressed during embryogenesis, but its role in EC responses to shear stress and focal atherosclerosis is unknown. OBJECTIVE To investigate whether TWIST regulates endothelial responses to shear stress during vascular dysfunction and atherosclerosis and compare TWIST function in vascular development and disease. METHODS AND RESULTS The expression and function of TWIST1 was studied in EC in both developing vasculature and during the initiation of atherosclerosis. In zebrafish, twist was expressed in early embryonic vasculature where it promoted angiogenesis by inducing EC proliferation and migration. In adult porcine and murine arteries, TWIST1 was expressed preferentially at low shear stress regions as evidenced by quantitative polymerase chain reaction and en face staining. Moreover, studies of experimental murine carotid arteries and cultured EC revealed that TWIST1 was induced by low shear stress via a GATA4-dependent transcriptional mechanism. Gene silencing in cultured EC and EC-specific genetic deletion in mice demonstrated that TWIST1 promoted atherosclerosis by inducing inflammation and enhancing EC proliferation associated with vascular leakiness. CONCLUSIONS TWIST expression promotes developmental angiogenesis by inducing EC proliferation and migration. In addition to its role in development, TWIST is expressed preferentially at low shear stress regions of adult arteries where it promotes atherosclerosis by inducing EC proliferation and inflammation. Thus, pleiotropic functions of TWIST control vascular disease and development.
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Affiliation(s)
- Marwa M Mahmoud
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Hyejeong Rosemary Kim
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Rouyu Xing
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Sarah Hsiao
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Akiko Mammoto
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Jing Chen
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Jovana Serbanovic-Canic
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Shuang Feng
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Neil P Bowden
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Richard Maguire
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Markus Ariaans
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Sheila E Francis
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Peter D Weinberg
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Kim van der Heiden
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Elizabeth A Jones
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Timothy J A Chico
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Victoria Ridger
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.)
| | - Paul C Evans
- From the Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, United Kingdom (M.M.M., H.R.K., S.H., J.S.-C., S.F., N.P.B., R.M., M.A., S.E.F., T.J.A.C., V.R., P.C.E.); ERASMUS MC, Rotterdam, The Netherlands (R.X., K.v.d.H.); Vascular Biology Program, Department of Surgery (A.M.) and Department of Ophthalmology (J.C.), Boston Children's Hospital, Harvard Medical School, MA; Department of Bioengineering, Imperial College London, London, United Kingdom (P.D.W.); and Department of Cardiovascular Science, Katholieke Universiteit Leuven, Leuven, Belgium (E.A.J.).
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32
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Priest JR, Osoegawa K, Mohammed N, Nanda V, Kundu R, Schultz K, Lammer EJ, Girirajan S, Scheetz T, Waggott D, Haddad F, Reddy S, Bernstein D, Burns T, Steimle JD, Yang XH, Moskowitz IP, Hurles M, Lifton RP, Nickerson D, Bamshad M, Eichler EE, Mital S, Sheffield V, Quertermous T, Gelb BD, Portman M, Ashley EA. De Novo and Rare Variants at Multiple Loci Support the Oligogenic Origins of Atrioventricular Septal Heart Defects. PLoS Genet 2016; 12:e1005963. [PMID: 27058611 PMCID: PMC4825975 DOI: 10.1371/journal.pgen.1005963] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 03/07/2016] [Indexed: 12/15/2022] Open
Abstract
Congenital heart disease (CHD) has a complex genetic etiology, and recent studies suggest that high penetrance de novo mutations may account for only a small fraction of disease. In a multi-institutional cohort surveyed by exome sequencing, combining analysis of 987 individuals (discovery cohort of 59 affected trios and 59 control trios, and a replication cohort of 100 affected singletons and 533 unaffected singletons) we observe variation at novel and known loci related to a specific cardiac malformation the atrioventricular septal defect (AVSD). In a primary analysis, by combining developmental coexpression networks with inheritance modeling, we identify a de novo mutation in the DNA binding domain of NR1D2 (p.R175W). We show that p.R175W changes the transcriptional activity of Nr1d2 using an in vitro transactivation model in HUVEC cells. Finally, we demonstrate previously unrecognized cardiovascular malformations in the Nr1d2tm1-Dgen knockout mouse. In secondary analyses we map genetic variation to protein-interaction networks suggesting a role for two collagen genes in AVSD, which we corroborate by burden testing in a second replication cohort of 100 AVSDs and 533 controls (p = 8.37e-08). Finally, we apply a rare-disease inheritance model to identify variation in genes previously associated with CHD (ZFPM2, NSD1, NOTCH1, VCAN, and MYH6), cardiac malformations in mouse models (ADAM17, CHRD, IFT140, PTPRJ, RYR1 and ATE1), and hypomorphic alleles of genes causing syndromic CHD (EHMT1, SRCAP, BBS2, NOTCH2, and KMT2D) in 14 of 59 trios, greatly exceeding variation in control trios without CHD (p = 9.60e-06). In total, 32% of trios carried at least one putatively disease-associated variant across 19 loci,suggesting that inherited and de novo variation across a heterogeneous group of loci may contribute to disease risk.
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Affiliation(s)
- James R. Priest
- Division of Pediatric Cardiology, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Kazutoyo Osoegawa
- Department of Pathology, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Nebil Mohammed
- University of California San Francisco Benioff Children’s Hospital Oakland, University of California San Francisco, San Francisco, California, United States of America
| | - Vivek Nanda
- Department of Vascular Surgery, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Ramendra Kundu
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Kathleen Schultz
- University of California San Francisco Benioff Children’s Hospital Oakland, University of California San Francisco, San Francisco, California, United States of America
| | - Edward J. Lammer
- University of California San Francisco Benioff Children’s Hospital Oakland, University of California San Francisco, San Francisco, California, United States of America
| | - Santhosh Girirajan
- Departments of Biochemistry, Molecular Biology, and Anthropology, Pennsylvania State University, University Park, Pennsylvania, United States of America
| | - Todd Scheetz
- College of Engineering, University of Iowa, Iowa City, Iowa, United States of America
| | - Daryl Waggott
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Francois Haddad
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Sushma Reddy
- Division of Pediatric Cardiology, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Daniel Bernstein
- Division of Pediatric Cardiology, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Trudy Burns
- College of Public Health, University of Iowa, Iowa City, Iowa, United States of America
| | - Jeffrey D. Steimle
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Xinan H. Yang
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Ivan P. Moskowitz
- Department of Pathology, University of Chicago, Chicago, Illinois, United States of America
| | - Matthew Hurles
- Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom
| | - Richard P. Lifton
- Department of Genetics, Yale University, New Haven, Connecticut, United States of America
- Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America
| | - Debbie Nickerson
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
| | - Michael Bamshad
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
- Department of Pediatrics, University of Washington, Seattle, Washington, United States of America
| | - Evan E. Eichler
- Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
| | - Seema Mital
- Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Val Sheffield
- Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America
- Division of Medical Genetics, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America
| | - Thomas Quertermous
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
| | - Bruce D. Gelb
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mt. Sinai, New York, New York, United States of America
| | - Michael Portman
- Department of Pediatrics, University of Washington, Seattle, Washington, United States of America
| | - Euan A. Ashley
- Cardiovascular Institute, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, California, United States of America
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33
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Abstract
Myocardial fibrosis is a significant global health problem associated with nearly all forms of heart disease. Cardiac fibroblasts comprise an essential cell type in the heart that is responsible for the homeostasis of the extracellular matrix; however, upon injury, these cells transform to a myofibroblast phenotype and contribute to cardiac fibrosis. This remodeling involves pathological changes that include chamber dilation, cardiomyocyte hypertrophy and apoptosis, and ultimately leads to the progression to heart failure. Despite the critical importance of fibrosis in cardiovascular disease, our limited understanding of the cardiac fibroblast impedes the development of potential therapies that effectively target this cell type and its pathological contribution to disease progression. This review summarizes current knowledge regarding the origins and roles of fibroblasts, mediators and signaling pathways known to influence fibroblast function after myocardial injury, as well as novel therapeutic strategies under investigation to attenuate cardiac fibrosis.
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Affiliation(s)
- Joshua G Travers
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, OH
| | - Fadia A Kamal
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, OH
| | - Jeffrey Robbins
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, OH
| | - Katherine E Yutzey
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, OH
| | - Burns C Blaxall
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, OH.
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34
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Deng X, Pan H, Wang J, Wang B, Cheng Z, Cheng L, Zhao L, Li H, Ma X. Functional Analysis of Two Novel Mutations in TWIST1 Protein Motifs Found in Ventricular Septal Defect Patients. Pediatr Cardiol 2015; 36:1602-9. [PMID: 25981568 DOI: 10.1007/s00246-015-1202-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 05/07/2015] [Indexed: 10/23/2022]
Abstract
The aim of this study was to investigate the possible genetic effect of sequence variations in TWIST1 on the pathogenesis of ventricular septal defect in humans. We examined the coding region of TWIST1 in a cohort of 196 Chinese people with non-syndromic ventricular septal defect patients and 200 healthy individuals as the controls. We identified two novel potential disease-associated mutations, NM_000474.3:c.247G>A (G83S) and NM_000474.3:c.283A>G (S95G). Both of them were identified for the first time and were not observed in the 200 controls without congenital heart disease. Using a dual-luciferase reporter assay, we showed that both of the mutations significantly down-regulated the repressive effect of TWIST1 on the E-cadherin promoter. Furthermore, a mammalian two-hybrid assay showed that both of the mutations significantly affected the interaction between TWIST1 and KAT2B. New mutations in the transcription factor TWIST1 that affect protein function were identified in 1.0 % (2/196) of Chinese patients with ventricular septal defect. Our data show, for the first time, that TWIST1 has a potential causative effect on the development of ventricular septal defect.
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Affiliation(s)
- Xiaopeng Deng
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No.36, Sanhao Street, Heping District, Shenyang, 110004, China
| | - Hong Pan
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Jing Wang
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Binbin Wang
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Zhi Cheng
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Longfei Cheng
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Lixi Zhao
- Graduate School, Peking Union Medical College, Beijing, 100080, China.,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China
| | - Hui Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No.36, Sanhao Street, Heping District, Shenyang, 110004, China.
| | - Xu Ma
- Graduate School, Peking Union Medical College, Beijing, 100080, China. .,Center for Genetics, National Research Institute for Family Planning, 12 Dahuisi Road, Haidian, Beijing, 100081, China. .,World Health Organization Collaborating Centre for Research in Human Reproduction, Beijing, 100081, China.
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35
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Garside VC, Cullum R, Alder O, Lu DY, Vander Werff R, Bilenky M, Zhao Y, Jones SJM, Marra MA, Underhill TM, Hoodless PA. SOX9 modulates the expression of key transcription factors required for heart valve development. Development 2015; 142:4340-50. [PMID: 26525672 DOI: 10.1242/dev.125252] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 10/28/2015] [Indexed: 01/10/2023]
Abstract
Heart valve formation initiates when endothelial cells of the heart transform into mesenchyme and populate the cardiac cushions. The transcription factor SOX9 is highly expressed in the cardiac cushion mesenchyme, and is essential for heart valve development. Loss of Sox9 in mouse cardiac cushion mesenchyme alters cell proliferation, embryonic survival, and valve formation. Despite this important role, little is known about how SOX9 regulates heart valve formation or its transcriptional targets. Therefore, we mapped putative SOX9 binding sites by ChIP-Seq in E12.5 heart valves, a stage at which the valve mesenchyme is actively proliferating and initiating differentiation. Embryonic heart valves have been shown to express a high number of genes that are associated with chondrogenesis, including several extracellular matrix proteins and transcription factors that regulate chondrogenesis. Therefore, we compared regions of putative SOX9 DNA binding between E12.5 heart valves and E12.5 limb buds. We identified context-dependent and context-independent SOX9-interacting regions throughout the genome. Analysis of context-independent SOX9 binding suggests an extensive role for SOX9 across tissues in regulating proliferation-associated genes including key components of the AP-1 complex. Integrative analysis of tissue-specific SOX9-interacting regions and gene expression profiles on Sox9-deficient heart valves demonstrated that SOX9 controls the expression of several transcription factors with previously identified roles in heart valve development, including Twist1, Sox4, Mecom and Pitx2. Together, our data identify SOX9-coordinated transcriptional hierarchies that control cell proliferation and differentiation during valve formation.
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Affiliation(s)
- Victoria C Garside
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, Canada V5Z 1L3 Program in Cell and Developmental Biology, University of British Columbia, Vancouver, Canada V6T 1Z4
| | - Rebecca Cullum
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, Canada V5Z 1L3
| | - Olivia Alder
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, Canada V5Z 1L3
| | - Daphne Y Lu
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, Canada V5Z 1L3
| | - Ryan Vander Werff
- Biomedical Research Centre, University of British Columbia, Vancouver, Canada V6T 1Z4
| | - Mikhail Bilenky
- Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, Canada V5Z 1L3
| | - Yongjun Zhao
- Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, Canada V5Z 1L3
| | - Steven J M Jones
- Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, Canada V5Z 1L3 Department of Medical Genetics, University of British Columbia, Vancouver, Canada V6T 1Z4 Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, Canada V5A 1S6
| | - Marco A Marra
- Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, Canada V5Z 1L3 Department of Medical Genetics, University of British Columbia, Vancouver, Canada V6T 1Z4
| | - T Michael Underhill
- Program in Cell and Developmental Biology, University of British Columbia, Vancouver, Canada V6T 1Z4 Biomedical Research Centre, University of British Columbia, Vancouver, Canada V6T 1Z4 Department of Medical Genetics, University of British Columbia, Vancouver, Canada V6T 1Z4
| | - Pamela A Hoodless
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, Canada V5Z 1L3 Program in Cell and Developmental Biology, University of British Columbia, Vancouver, Canada V6T 1Z4 Department of Medical Genetics, University of British Columbia, Vancouver, Canada V6T 1Z4
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Wang Y, Wang Q, Guo C, Wang S, Qiu Y, Li H, Ma X. Decreased mRNA and protein expression of TWIST1 in myocardial tissue of fetuses with ventricular septal defects. Mol Med Rep 2015; 12:3089-94. [PMID: 25955272 DOI: 10.3892/mmr.2015.3734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 03/26/2015] [Indexed: 11/05/2022] Open
Abstract
Ventricular septal defect (VSD) is the most common type of congenital heart disease (CHD). The single gene mutations or absences that contribute to VSD development are well established; however, the aim of the present study was to measure gene expression variation between VSDs and normal fetal myocardial tissue. TWIST1, an important tumor biomarker, is a basic helix-loop-helix transcription factor that regulates cell proliferation, migration and differentiation in embryonic development and transformed tumor cells. Although growing evidence demonstrates that TWIST1 participates in a variety of human neoplastic diseases, the role of TWIST1 in VSD has remained elusive. Twenty-six VSD fetal myocardial tissue samples and 12 normal samples at matched gestational weeks (22-28 weeks) were included in the present study. Using reverse transcription quantitative polymerase chain reaction (PCR) and real-time PCR, it was demonstrated that TWIST1 mRNA was reduced by almost two-fold in the VSD samples compared with the normal samples. Western blot analysis also revealed that TWIST1 expression was decreased by ~three-fold (P=0.001) in the VSD samples compared with that in the normal samples. Of note, five complete ventricular (also called functionally univentricular or single ventricular) septal ageneses were identified among the specimens. For the five complete ventricular septal agenesis samples, similar results to those for other VSD fetal myocardial tissues were obtained. In conclusion, the results of the present study showed that TWIST1 mRNA and protein levels were reduced in VSDs. The present study was the first, to the best of our knowledge, to report that TWIST1 is not only a tumor biomarker, but may also be involved in the pathogenesis of VSD.
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Affiliation(s)
- Yuting Wang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Qidi Wang
- Department of Genetics, National Research Institute for Family Planning, Beijing 100081, P.R. China
| | - Changlong Guo
- Department of Genetics, National Research Institute for Family Planning, Beijing 100081, P.R. China
| | - Shuo Wang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Yue Qiu
- Department of Genetics, National Research Institute for Family Planning, Beijing 100081, P.R. China
| | - Hui Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Xu Ma
- Department of Genetics, National Research Institute for Family Planning, Beijing 100081, P.R. China
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Review of Molecular and Mechanical Interactions in the Aortic Valve and Aorta: Implications for the Shared Pathogenesis of Aortic Valve Disease and Aortopathy. J Cardiovasc Transl Res 2014; 7:823-46. [DOI: 10.1007/s12265-014-9602-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 10/30/2014] [Indexed: 01/08/2023]
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MacGrogan D, Luxán G, Driessen-Mol A, Bouten C, Baaijens F, de la Pompa JL. How to make a heart valve: from embryonic development to bioengineering of living valve substitutes. Cold Spring Harb Perspect Med 2014; 4:a013912. [PMID: 25368013 DOI: 10.1101/cshperspect.a013912] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Cardiac valve disease is a significant cause of ill health and death worldwide, and valve replacement remains one of the most common cardiac interventions in high-income economies. Despite major advances in surgical treatment, long-term therapy remains inadequate because none of the current valve substitutes have the potential for remodeling, regeneration, and growth of native structures. Valve development is coordinated by a complex interplay of signaling pathways and environmental cues that cause disease when perturbed. Cardiac valves develop from endocardial cushions that become populated by valve precursor mesenchyme formed by an epithelial-mesenchymal transition (EMT). The mesenchymal precursors, subsequently, undergo directed growth, characterized by cellular compartmentalization and layering of a structured extracellular matrix (ECM). Knowledge gained from research into the development of cardiac valves is driving exploration into valve biomechanics and tissue engineering directed at creating novel valve substitutes endowed with native form and function.
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Affiliation(s)
- Donal MacGrogan
- Program of Cardiovascular Developmental Biology, Department of Cardiovascular Development and Repair, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Guillermo Luxán
- Program of Cardiovascular Developmental Biology, Department of Cardiovascular Development and Repair, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Anita Driessen-Mol
- Biomedical Engineering/Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Carlijn Bouten
- Biomedical Engineering/Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Frank Baaijens
- Biomedical Engineering/Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - José Luis de la Pompa
- Program of Cardiovascular Developmental Biology, Department of Cardiovascular Development and Repair, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
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Fang M, Alfieri CM, Hulin A, Conway SJ, Yutzey KE. Loss of β-catenin promotes chondrogenic differentiation of aortic valve interstitial cells. Arterioscler Thromb Vasc Biol 2014; 34:2601-8. [PMID: 25341799 DOI: 10.1161/atvbaha.114.304579] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE The Wnt/β-catenin signaling pathway has been implicated in human heart valve disease and is required for early heart valve formation in mouse and zebrafish. However, the specific functions of Wnt/β-catenin signaling activity in heart valve maturation and maintenance in adults have not been determined previously. APPROACH AND RESULTS Here, we show that Wnt/β-catenin signaling inhibits Sox9 nuclear localization and proteoglycan expression in cultured chicken embryo aortic valves. Loss of β-catenin in vivo in mice, using Periostin(Postn)Cre-mediated tissue-restricted loss of β-catenin (Ctnnb1) in valvular interstitial cells, leads to the formation of aberrant chondrogenic nodules and induction of chondrogenic gene expression in adult aortic valves. These nodular cells strongly express nuclear Sox9 and Sox9 downstream chondrogenic extracellular matrix genes, including Aggrecan, Col2a1, and Col10a1. Excessive chondrogenic proteoglycan accumulation and disruption of stratified extracellular matrix maintenance in the aortic valve leaflets are characteristics of myxomatous valve disease. Both in vitro and in vivo data demonstrate that the loss of Wnt/β-catenin signaling leads to increased nuclear expression of Sox9 concomitant with induced expression of chondrogenic extracellular matrix proteins. CONCLUSIONS β-Catenin limits Sox9 nuclear localization and inhibits chondrogenic differentiation during valve development and in adult aortic valve homeostasis.
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Affiliation(s)
- Ming Fang
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, OH (M.F., C.M.A., A.H., K.E.Y.); and Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis (S.J.C.)
| | - Christina M Alfieri
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, OH (M.F., C.M.A., A.H., K.E.Y.); and Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis (S.J.C.)
| | - Alexia Hulin
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, OH (M.F., C.M.A., A.H., K.E.Y.); and Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis (S.J.C.)
| | - Simon J Conway
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, OH (M.F., C.M.A., A.H., K.E.Y.); and Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis (S.J.C.)
| | - Katherine E Yutzey
- From the Heart Institute, Division of Molecular Cardiovascular Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, OH (M.F., C.M.A., A.H., K.E.Y.); and Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis (S.J.C.).
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40
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Zhang XW, Zhang BY, Wang SW, Gong DJ, Han L, Xu ZY, Liu XH. Twist-related protein 1 negatively regulated osteoblastic transdifferentiation of human aortic valve interstitial cells by directly inhibiting runt-related transcription factor 2. J Thorac Cardiovasc Surg 2014; 148:1700-1708.e1. [DOI: 10.1016/j.jtcvs.2014.02.084] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2013] [Revised: 02/27/2014] [Accepted: 02/28/2014] [Indexed: 12/30/2022]
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Lee MP, Ratner N, Yutzey KE. Genome-wide Twist1 occupancy in endocardial cushion cells, embryonic limb buds, and peripheral nerve sheath tumor cells. BMC Genomics 2014; 15:821. [PMID: 25262113 PMCID: PMC4190347 DOI: 10.1186/1471-2164-15-821] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 09/22/2014] [Indexed: 11/10/2022] Open
Abstract
Background The basic helix-loop-helix transcription factor Twist1 has well-documented roles in progenitor populations of the developing embryo, including endocardial cushions (ECC) and limb buds, and also in cancer. Whether Twist1 regulates the same transcriptional targets in different tissue types is largely unknown. Results The tissue-specificity of Twist1 genomic occupancy was examined in mouse ECCs, limb buds, and peripheral nerve sheath tumor (PNST) cells using chromatin immunoprecipitation followed by sequencing (Chip-seq) analysis. Consistent with known Twist1 functions during development and in cancer cells, Twist1-DNA binding regions associated with genes related to cell migration and adhesion were detected in all three tissues. However, the vast majority of Twist1 binding regions were specific to individual tissue types. Thus, while Twist1 has similar functions in ECCs, limb buds, and PNST cells, the specific genomic sequences occupied by Twist1 were different depending on cellular context. Subgroups of shared genes, also predominantly related to cell adhesion and migration, were identified in pairwise comparisons of ECC, limb buds and PNST cells. Twist1 genomic occupancy was detected for six binding regions in all tissue types, and Twist1-binding sequences associated with Chst11, Litaf, Ror2, and Spata5 also bound the potential Twist1 cofactor RREB1. Pathway analysis of the genes associated with Twist1 binding suggests that Twist1 may regulate genes associated with the Wnt signaling pathway in ECCs and limb buds. Conclusions Together, these data indicate that Twist1 interacts with genes that regulate adhesion and migration in different tissues, potentially through distinct sets of target genes. In addition, there is a small subset of genes occupied by Twist1 in all three tissues that may represent a core group of Twist1 target genes in multiple cell types. Electronic supplementary material The online version of this article (doi:10.1186/1471-2164-15-821) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | - Katherine E Yutzey
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA.
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42
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Dyer LA, Wu Y, Patterson C. Protein isolation from the developing embryonic mouse heart valve region. J Vis Exp 2014:51911. [PMID: 25285454 DOI: 10.3791/51911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Western blot analysis is a commonly employed technique for detecting and quantifying protein levels. However, for small tissue samples, this analysis method may not be sufficiently sensitive to detect a protein of interest. To overcome these difficulties, we examined protocols for obtaining protein from adult human cardiac valves and modified these protocols for the developing early embryonic mouse counterparts. In brief, the mouse embryonic aortic valve regions, including the aortic valve and surrounding aortic wall, are collected in the minimal possible volume of a Tris-based lysis buffer with protease inhibitors. If required based on the breeding strategy, embryos are genotyped prior to pooling four embryonic aortic valve regions for homogenization. After homogenization, an SDS-based sample buffer is used to denature the sample for running on an SDS-PAGE gel and subsequent western blot analysis. Although the protein concentration remains too low to quantify using spectrophotometric protein quantification assays and have sample remaining for subsequent analyses, this technique can be used to successfully detect and semi-quantify phosphorylated proteins via western blot from pooled samples of four embryonic day 13.5 mouse aortic valve regions, each of which yields approximately 1 μg of protein. This technique will be of benefit for studying cell signaling pathway activation and protein expression levels during early embryonic mouse valve development.
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Affiliation(s)
- Laura A Dyer
- McAllister Heart Institute, University of North Carolina at Chapel Hill;
| | - Yaxu Wu
- McAllister Heart Institute, University of North Carolina at Chapel Hill
| | - Cam Patterson
- New York-Presbyterian Hospital/Weill-Cornell Medical Center
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Masoumi N, Larson BL, Annabi N, Kharaziha M, Zamanian B, Shapero KS, Cubberley AT, Camci-Unal G, Manning KB, Mayer JE, Khademhosseini A. Electrospun PGS:PCL microfibers align human valvular interstitial cells and provide tunable scaffold anisotropy. Adv Healthc Mater 2014; 3:929-39. [PMID: 24453182 PMCID: PMC4053480 DOI: 10.1002/adhm.201300505] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 10/09/2013] [Indexed: 12/23/2022]
Abstract
Tissue engineered heart valves (TEHV) can be useful in the repair of congenital or acquired valvular diseases due to their potential for growth and remodeling. The development of biomimetic scaffolds is a major challenge in heart valve tissue engineering. One of the most important structural characteristics of mature heart valve leaflets is their intrinsic anisotropy, which is derived from the microstructure of aligned collagen fibers in the extracellular matrix (ECM). In the present study, a directional electrospinning technique is used to fabricate fibrous poly(glycerol sebacate):poly(caprolactone) (PGS:PCL) scaffolds containing aligned fibers, which resemble native heart valve leaflet ECM networks. In addition, the anisotropic mechanical characteristics of fabricated scaffolds are tuned by changing the ratio of PGS:PCL to mimic the native heart valve's mechanical properties. Primary human valvular interstitial cells (VICs) attach and align along the anisotropic axes of all PGS:PCL scaffolds with various mechanical properties. The cells are also biochemically active in producing heart-valve-associated collagen, vimentin, and smooth muscle actin as determined by gene expression. The fibrous PGS:PCL scaffolds seeded with human VICs mimick the structure and mechanical properties of native valve leaflet tissues and would potentially be suitable for the replacement of heart valves in diverse patient populations.
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Affiliation(s)
- Nafiseh Masoumi
- Department of Bioengineering, The Pennsylvania State University, 205 Hallowell Building, Sate College, PA, USA. Center for Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard-MIT Division of Health Sciences and Technology Massachusetts Institute of Technology, 65 Landsdowne St., Cambridge, 02139 MA, USA. Department of Cardiac Surgery, Boston Children Hospital and Harvard Medical School 300 Longwood Ave, Boston, MA 02115, USA
| | - Benjamin L. Larson
- Harvard-MIT Division of Health Sciences and Technology and the David Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 500 Main Street, Cambridge, MA 02139, USA
| | - Nasim Annabi
- Center for Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard-MIT Division of Health Sciences and Technology Massachusetts Institute of Technology, 65 Landsdowne St., Cambridge, 02139 MA, USA. Wyss Institute for Biologically Inspired Engineering, Harvard University, 3 Blackfan Cir, Boston, MA 02115, USA
| | - Mahshid Kharaziha
- Center for Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard-MIT Division of Health Sciences and Technology Massachusetts Institute of Technology, 65 Landsdowne St., Cambridge, 02139 MA, USA
| | - Behnam Zamanian
- Center for Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard-MIT Division of Health Sciences and Technology Massachusetts Institute of Technology, 65 Landsdowne St., Cambridge, 02139 MA, USA
| | - Kayle S. Shapero
- Department of Cardiac Surgery, Boston Children Hospital and Harvard Medical School, 300 Longwood Ave, Boston, MA 02115, USA
| | - Alexander T. Cubberley
- Department of Cardiac Surgery, Boston Children Hospital and Harvard Medical School, 300 Longwood Ave, Boston, MA 02115, USA
| | - Gulden Camci-Unal
- Department of Bioengineering, The Pennsylvania State University, 205 Hallowell Building, Sate College, PA, USA
| | - Keefe. B. Manning
- Department of Bioengineering, The Pennsylvania State University, 205 Hallowell Building, Sate College, PA, USA
| | - John E. Mayer
- Department of Cardiac Surgery, Boston Children Hospital and Harvard Medical School, 300 Longwood Ave, Boston, MA 02115, USA
| | - Ali Khademhosseini
- Center for Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Harvard-MIT Division of Health Sciences and Technology Massachusetts Institute of Technology, 65 Landsdowne St., Cambridge, 02139 MA, USA. Wyss Institute for Biologically Inspired Engineering, Harvard University, 3 Blackfan Cir, Boston, MA 02115, USA
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Wirrig EE, Yutzey KE. Conserved transcriptional regulatory mechanisms in aortic valve development and disease. Arterioscler Thromb Vasc Biol 2014; 34:737-41. [PMID: 24665126 DOI: 10.1161/atvbaha.113.302071] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
There is increasing evidence for activation of developmental transcriptional regulatory pathways in heart valve disease. Here, we review molecular regulatory mechanisms involved in heart valve progenitor development, leaflet morphogenesis, and extracellular matrix organization that also are active in diseased aortic valves. These include regulators of endothelial-to-mesenchymal transitions, such as the Notch pathway effector RBPJ, and the valve progenitor markers Twist1, Msx1/2, and Sox9. Little is known of the potential reparative or pathological functions of these developmental mechanisms in adult aortic valves, but it is tempting to speculate that valve progenitor cells could contribute to repair in the context of disease. Likewise, loss of either RBPJ or Sox9 leads to aortic valve calcification in mice, supporting a potential therapeutic role in prevention of disease. During aortic valve calcification, transcriptional regulators of osteogenic development are activated in addition to valve progenitor regulatory programs. Specifically, the transcription factor Runx2 and its downstream target genes are induced in calcified valves. Runx2 and osteogenic genes also are induced with vascular calcification, but activation of valve progenitor markers and the cellular context of expression are likely to be different for valve and vascular calcification. Additional research is necessary to determine whether developmental mechanisms contribute to valve repair or whether these pathways can be harnessed for new treatments of heart valve disease.
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Affiliation(s)
- Elaine E Wirrig
- From The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
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45
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Insufficient versican cleavage and Smad2 phosphorylation results in bicuspid aortic and pulmonary valves. J Mol Cell Cardiol 2013; 60:50-9. [PMID: 23531444 DOI: 10.1016/j.yjmcc.2013.03.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Revised: 03/10/2013] [Accepted: 03/11/2013] [Indexed: 12/29/2022]
Abstract
Bicuspid or bifoliate aortic valve (BAV) results in two rather than three cusps and occurs in 1-2% of the population placing them at higher risk of developing progressive aortic valve disease. Only NOTCH-1 has been linked to human BAV, and genetically modified mouse models of BAV are limited by low penetrance and additional malformations. Here we report that in the Adamts5(-/-) valves, collagen I, collagen III, and elastin were disrupted in the malformed hinge region that anchors the mature semilunar cusps and where the ADAMTS5 proteoglycan substrate versican, accumulates. ADAMTS5 deficient prevalvular mesenchyme also exhibited a reduction of α-smooth muscle actin and filamin A suggesting versican cleavage may be involved in TGFβ signaling. Subsequent evaluation showed a significant decrease of pSmad2 in regions of prevalvular mesenchyme in Adamts5(-/-) valves. To test the hypothesis that ADAMTS5 versican cleavage is required, in part, to elicit Smad2 phosphorylation we further reduced Smad2 in Adamts5(-/-) mice through intergenetic cross. The Adamts5(-/-);Smad2(+/-) mice had highly penetrant BAV and bicuspid pulmonary valve (BPV) malformations as well as increased cusp and hinge size compared to the Adamts5(-/-) and control littermates. These studies demonstrate that semilunar cusp malformations (BAV and BPV) can arise from a failure to remodel the proteoglycan-rich provisional ECM. Specifically, faulty versican clearance due to ADAMTS5 deficiency blocks the initiation of pSmad2 signaling, which is required for excavation of endocardial cushions during aortic and pulmonary valve development. Further studies using the Adamts5(-/-); Smad2(+/-) mice with highly penetrant and isolated BAV, may lead to new pharmacological treatments for valve disease.
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Li C, Xu S, Gotlieb AI. The progression of calcific aortic valve disease through injury, cell dysfunction, and disruptive biologic and physical force feedback loops. Cardiovasc Pathol 2013; 22:1-8. [DOI: 10.1016/j.carpath.2012.06.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2012] [Revised: 06/01/2012] [Accepted: 06/04/2012] [Indexed: 10/28/2022] Open
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Affiliation(s)
- Jane A Leopold
- Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.
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48
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Xu S, Gotlieb AI. Wnt3a/β-catenin increases proliferation in heart valve interstitial cells. Cardiovasc Pathol 2012; 22:156-66. [PMID: 22889676 DOI: 10.1016/j.carpath.2012.06.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 06/21/2012] [Accepted: 06/22/2012] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Valve interstitial cells (VICs), the most prevalent cells in the heart valve, mediate normal valve function and repair in valve injury and disease. The Wnt3a/β-catenin pathway, important for proliferation and endothelial-to-mesenchymal transition in endocardial cushion formation in valve development, is up-regulated in adult valves with calcific aortic stenosis. Therefore, we tested the hypothesis that Wnt3a/β-catenin signaling regulates proliferation in adult VICs. METHODS Porcine VICs were treated with 150 ng/ml of exogenous Wnt3a. To measure proliferation, cells were counted on day 4 posttreatment and stained for bromodeoxyuridine (BrdU) at 24 h posttreatment. β-Catenin small interfering RNA (siRNA) was used to knock down β-catenin expression. Apoptosis was measured with terminal deoxynucleotidyl transferase dUTP nick end labeling assay. To assess changes in β-catenin, cells were stained for β-catenin at days 1, 3, 6, and 9 posttreatment. Western blot for β-catenin was performed on whole cell, cytoplasmic, and nuclear extracts at day 4 posttreatment. To measure β-catenin-mediated transcription, TOPFLASH/FOPFLASH reporter assay was performed at 24 h posttreatment. RESULTS Wnt3a produced a significant increase in cell number at day 4 posttreatment and in the percentage of BrdU-positive nuclei at 24 h posttreatment. The increase in proliferation was abolished by β-catenin siRNA. Apoptosis was minimal in all conditions. Wnt3a produced progressively greater β-catenin staining as treatment length increased from 1 to 9 days. Wnt3a produced a significant increase in β-catenin protein in both whole cell and nuclear lysates after 4 days of treatment. Wnt3a significantly increased TOPFLASH/FOPFLASH reporter activity after 24 h of treatment. CONCLUSION Wnt3a/β-catenin signaling pathway is an important regulator of proliferation in adult VICs.
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Affiliation(s)
- Songyi Xu
- Department of Pathology, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada M5S 1A8
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49
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Twist1 transcriptional targets in the developing atrio-ventricular canal of the mouse. PLoS One 2012; 7:e40815. [PMID: 22815831 PMCID: PMC3397961 DOI: 10.1371/journal.pone.0040815] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Accepted: 06/15/2012] [Indexed: 01/10/2023] Open
Abstract
Malformations of the cardiovascular system are the most common type of birth defect in humans, frequently affecting the formation of valves and septa. During heart valve and septa formation, cells from the atrio-ventricular canal (AVC) and outflow tract (OFT) regions of the heart undergo an epithelial-to-mesenchymal transformation (EMT) and invade the underlying extracellular matrix to give rise to endocardial cushions. Subsequent maturation of newly formed mesenchyme cells leads to thin stress-resistant leaflets. TWIST1 is a basic helix-loop-helix transcription factor expressed in newly formed mesenchyme cells of the AVC and OFT that has been shown to play roles in cell survival, cell proliferation and differentiation. However, the downstream targets of TWIST1 during heart valve formation remain unclear. To identify genes important for heart valve development downstream of TWIST1, we performed global gene expression profiling of AVC, OFT, atria and ventricles of the embryonic day 10.5 mouse heart by tag-sequencing (Tag-seq). Using this resource we identified a novel set of 939 genes, including 123 regulators of transcription, enriched in the valve forming regions of the heart. We compared these genes to a Tag-seq library from the Twist1 null developing valves revealing significant gene expression changes. These changes were consistent with a role of TWIST1 in controlling differentiation of mesenchymal cells following their transformation from endothelium in the mouse. To study the role of TWIST1 at the DNA level we performed chromatin immunoprecipitation and identified novel direct targets of TWIST1 in the developing heart valves. Our findings support a role for TWIST1 in the differentiation of AVC mesenchyme post-EMT in the mouse, and suggest that TWIST1 can exert its function by direct DNA binding to activate valve specific gene expression.
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50
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de Vlaming A, Sauls K, Hajdu Z, Visconti RP, Mehesz AN, Levine RA, Slaugenhaupt SA, Hagège A, Chester AH, Markwald RR, Norris RA. Atrioventricular valve development: new perspectives on an old theme. Differentiation 2012; 84:103-16. [PMID: 22579502 DOI: 10.1016/j.diff.2012.04.001] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 03/26/2012] [Accepted: 04/01/2012] [Indexed: 11/19/2022]
Abstract
Atrioventricular valve development commences with an EMT event whereby endocardial cells transform into mesenchyme. The molecular events that induce this phenotypic change are well understood and include many growth factors, signaling components, and transcription factors. Besides their clear importance in valve development, the role of these transformed mesenchyme and the function they serve in the developing prevalve leaflets is less understood. Indeed, we know that these cells migrate, but how and why do they migrate? We also know that they undergo a transition to a mature, committed cell, largely defined as an interstitial fibroblast due to their ability to secrete various matrix components including collagen type I. However, we have yet to uncover mechanisms by which the matrix is synthesized, how it is secreted, and how it is organized. As valve disease is largely characterized by altered cell number, cell activation, and matrix disorganization, answering questions of how the valves are built will likely provide us with information of real clinical relevance. Although expression profiling and descriptive or correlative analyses are insightful, to advance the field, we must now move past the simplicity of these assays and ask fundamental, mechanistic based questions aimed at understanding how valves are "built". Herein we review current understandings of atrioventricular valve development and present what is known and what isn't known. In most cases, basic, biological questions and hypotheses that were presented decades ago on valve development still are yet to be answered but likely hold keys to uncovering new discoveries with relevance to both embryonic development and the developmental basis of adult heart valve diseases. Thus, the goal of this review is to remind us of these questions and provide new perspectives on an old theme of valve development.
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Affiliation(s)
- Annemarieke de Vlaming
- Department of Regenerative Medicine and Cell Biology, School of Medicine, Cardiovascular Developmental Biology Center, Children's Research Institute, Medical University of South Carolina, Charleston, SC 29425, USA
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