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Thiery JP, Sheng G, Shu X, Runyan R. How studies in developmental epithelial-mesenchymal transition and mesenchymal-epithelial transition inspired new research paradigms in biomedicine. Development 2024; 151:dev200128. [PMID: 38300897 DOI: 10.1242/dev.200128] [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] [Indexed: 02/03/2024]
Abstract
Epithelial-mesenchymal transition (EMT) and its reverse mechanism, mesenchymal-epithelial transition (MET), are evolutionarily conserved mechanisms initially identified in studies of early metazoan development. EMT may even have been established in choanoflagellates, the closest unicellular relative of Metazoa. These crucial morphological transitions operate during body plan formation and subsequently in organogenesis. These findings have prompted an increasing number of investigators in biomedicine to assess the importance of such mechanisms that drive epithelial cell plasticity in multiple diseases associated with congenital disabilities and fibrosis, and, most importantly, in the progression of carcinoma. EMT and MET also play crucial roles in regenerative medicine, notably by contributing epigenetic changes in somatic cells to initiate reprogramming into stem cells and their subsequent differentiation into distinct lineages.
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Affiliation(s)
| | - Guojun Sheng
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
| | - Xiaodong Shu
- Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Raymond Runyan
- Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ 85721, USA
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2
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Reeser RS, Salazar AK, Prutton KM, Roede JR, VeDepo MC, Jacot JG. Trisomy 21 Alters Cell Proliferation and Migration of iPSC-Derived Cardiomyocytes on Type VI Collagen. Cell Mol Bioeng 2024; 17:25-34. [PMID: 38435791 PMCID: PMC10901762 DOI: 10.1007/s12195-023-00791-x] [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: 05/15/2023] [Accepted: 12/19/2023] [Indexed: 03/05/2024] Open
Abstract
Purpose Individuals with Down syndrome (DS) are 2000 times more likely to develop a congenital heart defect (CHD) than the typical population Freeman et al. in Am J Med Genet 80:213-217 (1998). The majority of CHDs in individuals with DS characteristically involve the atrioventricular (AV) canal, including the valves and the atrial or ventricular septum. Type VI collagen (COLVI) is the primary structural component in the developing septa and endocardial cushions, with two of the three genes encoding for COLVI located on human chromosome 21 and upregulated in Down syndrome (von Kaisenberg et al. in Obstet Gynecol 91:319-323, 1998; Gittenberger-De Groot et al. in Anatom Rec Part A 275:1109-1116, 2023). Methods To investigate the effect of COLVI dosage on cardiomyocytes with trisomy 21, induced pluripotent stem cells (iPSC) from individuals with DS and age- and sex-matched controls were differentiated into cardiomyocytes (iPSC-CM) and plated on varying concentrations of COLVI. Results Real time quantitative PCR showed decreased expression of cardiac-specific genes of DS iPSC-CM lines compared to control iPSC-CM. As expected, DS iPSC-CM had increased expression of genes on chromosome 21, including COL6A1, COL6A2, as well as genes not located on chromosome 21, namely COL6A3, HAS2 and HYAL2. We found that higher concentrations of COLVI result in decreased proliferation and migration of DS iPSC-CM, but not control iPSC-CM. Conclusions These results suggest that the increased expression of COLVI in DS may result in lower migration-driven elongation of endocardial cushions stemming from lower cell proliferation and migration, possibly contributing to the high incidence of CHD in the DS population. Supplementary Information The online version contains supplementary material available at 10.1007/s12195-023-00791-x.
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Affiliation(s)
- Rachel S. Reeser
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
- Linda Crnic Institute for Down Syndrome, Colorado, Aurora, CO 80045 USA
| | - Alyssa K. Salazar
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802 USA
| | - Kendra M. Prutton
- Linda Crnic Institute for Down Syndrome, Colorado, Aurora, CO 80045 USA
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
| | - James R. Roede
- Linda Crnic Institute for Down Syndrome, Colorado, Aurora, CO 80045 USA
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
| | - Mitchell C. VeDepo
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
| | - Jeffrey G. Jacot
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
- Linda Crnic Institute for Down Syndrome, Colorado, Aurora, CO 80045 USA
- Department of Pediatrics, Children’s Hospital Colorado, Aurora, CO 80045 USA
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Shaikh Qureshi WM, Hentges KE. Functions of cilia in cardiac development and disease. Ann Hum Genet 2024; 88:4-26. [PMID: 37872827 PMCID: PMC10952336 DOI: 10.1111/ahg.12534] [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: 06/30/2023] [Revised: 09/08/2023] [Accepted: 10/02/2023] [Indexed: 10/25/2023]
Abstract
Errors in embryonic cardiac development are a leading cause of congenital heart defects (CHDs), including morphological abnormalities of the heart that are often detected after birth. In the past few decades, an emerging role for cilia in the pathogenesis of CHD has been identified, but this topic still largely remains an unexplored area. Mouse forward genetic screens and whole exome sequencing analysis of CHD patients have identified enrichment for de novo mutations in ciliary genes or non-ciliary genes, which regulate cilia-related pathways, linking cilia function to aberrant cardiac development. Key events in cardiac morphogenesis, including left-right asymmetric development of the heart, are dependent upon cilia function. Cilia dysfunction during left-right axis formation contributes to CHD as evidenced by the substantial proportion of heterotaxy patients displaying complex CHD. Cilia-transduced signaling also regulates later events during heart development such as cardiac valve formation, outflow tract septation, ventricle development, and atrioventricular septa formation. In this review, we summarize the role of motile and non-motile (primary cilia) in cardiac asymmetry establishment and later events during heart development.
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Affiliation(s)
- Wasay Mohiuddin Shaikh Qureshi
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science CentreUniversity of ManchesterManchesterUK
| | - Kathryn E. Hentges
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science CentreUniversity of ManchesterManchesterUK
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Shibbani K, Nemer G. Molecular Pathways and Animal Models of Tricuspid Atresia and Univentricular Heart. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:885-900. [PMID: 38884757 DOI: 10.1007/978-3-031-44087-8_55] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The process of valve formation is a complex process that involves intricate interplay between various pathways at precise times. Although we have not completely elucidated the molecular pathways that lead to normal valve formation, we have identified a few major players in this process. We are now able to implicate TGF-ß, BMP, and NOTCH as suspects in tricuspid atresia (TA), as well as their downstream targets: NKX2-5, TBX5, NFATC1, GATA4, and SOX9. We know that the TGF-ß and the BMP pathways converge on the SMAD4 molecule, and we believe that this molecule plays a very important role to tie both pathways to TA. Similarly, we look at the NOTCH pathway and identify the HEY2 as a potential link between this pathway and TA. Another transcription factor that has been implicated in TA is NFATC1. While several mouse models exist that include part of the TA abnormality as their phenotype, no true mouse model can be said to represent TA. Bridging this gap will surely shed light on this complex molecular pathway and allow for better understanding of the disease process.
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Affiliation(s)
- Kamel Shibbani
- Division of Cardiology, Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - George Nemer
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon.
- Division of Genomics and Translational Biomedicine, Hamad Bin Khalifa University, Doha, Qatar.
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Ahmed SH, Deng AT, Huntley RP, Campbell NH, Lovering RC. Capturing heart valve development with Gene Ontology. Front Genet 2023; 14:1251902. [PMID: 37915827 PMCID: PMC10616796 DOI: 10.3389/fgene.2023.1251902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/29/2023] [Indexed: 11/03/2023] Open
Abstract
Introduction: The normal development of all heart valves requires highly coordinated signaling pathways and downstream mediators. While genomic variants can be responsible for congenital valve disease, environmental factors can also play a role. Later in life valve calcification is a leading cause of aortic valve stenosis, a progressive disease that may lead to heart failure. Current research into the causes of both congenital valve diseases and valve calcification is using a variety of high-throughput methodologies, including transcriptomics, proteomics and genomics. High quality genetic data from biological knowledge bases are essential to facilitate analyses and interpretation of these high-throughput datasets. The Gene Ontology (GO, http://geneontology.org/) is a major bioinformatics resource used to interpret these datasets, as it provides structured, computable knowledge describing the role of gene products across all organisms. The UCL Functional Gene Annotation team focuses on GO annotation of human gene products. Having identified that the GO annotations included in transcriptomic, proteomic and genomic data did not provide sufficient descriptive information about heart valve development, we initiated a focused project to address this issue. Methods: This project prioritized 138 proteins for GO annotation, which led to the curation of 100 peer-reviewed articles and the creation of 400 heart valve development-relevant GO annotations. Results: While the focus of this project was heart valve development, around 600 of the 1000 annotations created described the broader cellular role of these proteins, including those describing aortic valve morphogenesis, BMP signaling and endocardial cushion development. Our functional enrichment analysis of the 28 proteins known to have a role in bicuspid aortic valve disease confirmed that this annotation project has led to an improved interpretation of a heart valve genetic dataset. Discussion: To address the needs of the heart valve research community this project has provided GO annotations to describe the specific roles of key proteins involved in heart valve development. The breadth of GO annotations created by this project will benefit many of those seeking to interpret a wide range of cardiovascular genomic, transcriptomic, proteomic and metabolomic datasets.
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Affiliation(s)
- Saadullah H. Ahmed
- Functional Gene Annotation, Pre-clinical and Fundamental Science, Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Alexander T. Deng
- Department of Clinical Genetics, Guy’s and St Thomas’s NHS Foundation Trust, London, United Kingdom
| | - Rachael P. Huntley
- SciBite Limited, BioData Innovation Centre, Wellcome Genome Campus, Hinxton, Cambridge, United Kingdom
| | | | - Ruth C. Lovering
- Functional Gene Annotation, Pre-clinical and Fundamental Science, Institute of Cardiovascular Science, University College London, London, United Kingdom
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Wang D, Wen X, Xu LL, Chen QX, Yan TX, Xiao HT, Xu XW. Nf1 in heart development: a potential causative gene for congenital heart disease: a narrative review. Physiol Genomics 2023; 55:415-426. [PMID: 37519249 DOI: 10.1152/physiolgenomics.00024.2023] [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: 03/27/2023] [Revised: 06/26/2023] [Accepted: 07/08/2023] [Indexed: 08/01/2023] Open
Abstract
Congenital heart disease is the most frequent congenital disorder, affecting a significant number of live births. Gaining insights into its genetic etiology could lead to a deeper understanding of this condition. Although the Nf1 gene has been identified as a potential causative gene, its role in congenital heart disease has not been thoroughly clarified. We searched and summarized evidence from cohort-based and experimental studies on the issue of Nf1 and heart development in congenital heart diseases from various databases. Available evidence demonstrates a correlation between Nf1 and congenital heart diseases, mainly pulmonary valvar stenosis. The mechanism underlying this correlation may involve dysregulation of epithelial-mesenchymal transition (EMT). The Nf1 gene affects the EMT process via multiple pathways, including directly regulating the expression of EMT-related transcription factors and indirectly regulating the EMT process by regulating the MAPK pathway. This narrative review provides a comprehensive account of the Nf1 involvement in heart development and congenital cardiovascular diseases in terms of epidemiology and potential mechanisms. RAS signaling may contribute to congenital heart disease independently or in cooperation with other signaling pathways. Efficient management of both NF1 and cardiovascular disease patients would benefit from further research into these issues.
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Affiliation(s)
- Dun Wang
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, People's Republic of China
| | - Xue Wen
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, People's Republic of China
| | - Li-Li Xu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, People's Republic of China
| | - Qing-Xing Chen
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, People's Republic of China
| | - Tian-Xing Yan
- Central Laboratory, National Clinical Research Center for Oral Diseases, Peking University School and Hospital of Stomatology, Beijing, People's Republic of China
| | - Hai-Tao Xiao
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, People's Republic of China
| | - Xue-Wen Xu
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, People's Republic of China
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Xing J, Wang H, Xie Y, Fan T, Cui C, Li Y, Wang S, Gu W, Wang C, Tang H, Liu L. Novel rare genetic variants of familial and sporadic pulmonary atresia identified by whole-exome sequencing. Open Life Sci 2023; 18:20220593. [PMID: 37215497 PMCID: PMC10199322 DOI: 10.1515/biol-2022-0593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/14/2023] [Accepted: 03/12/2023] [Indexed: 05/24/2023] Open
Abstract
Pulmonary atresia (PA) is a severe cyanotic congenital heart disease. Although some genetic mutations have been described to be associated with PA, the knowledge of pathogenesis is insufficient. The aim of this research was to use whole-exome sequencing (WES) to determine novel rare genetic variants in PA patients. We performed WES in 33 patients (27 patient-parent trios and 6 single probands) and 300 healthy control individuals. By applying an enhanced analytical framework to incorporate de novo and case-control rare variation, we identified 176 risk genes (100 de novo variants and 87 rare variants). Protein‒protein interaction (PPI) analysis and Genotype-Tissue Expression analysis revealed that 35 putative candidate genes had PPIs with known PA genes with high expression in the human heart. Expression quantitative trait loci analysis revealed that 27 genes that were identified as novel PA genes that could be affected by the surrounding single nucleotide polymorphism were screened. Furthermore, we screened rare damaging variants with a threshold of minor allele frequency at 0.5% in the ExAC_EAS and GnomAD_exome_EAS databases, and the deleteriousness was predicted by bioinformatics tools. For the first time, 18 rare variants in 11 new candidate genes have been identified that may play a role in the pathogenesis of PA. Our research provides new insights into the pathogenesis of PA and helps to identify the critical genes for PA.
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Affiliation(s)
- Junyue Xing
- Henan Key Laboratory of Chronic Disease Management, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Heart Center of Henan Provincial People’s Hospital, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
| | - Hongdan Wang
- Medical Genetics Institute of Henan Province, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Zhengzhou 450003, China
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou 450002, China
| | - Yuanyuan Xie
- Department of Pediatrics, The Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, China
| | - Taibing Fan
- Department of Children’s Heart Center, Henan Provincial People’s Hospital, Department of Children’s Heart Center of Central China Fuwai Hospital, Henan Key Medical Laboratory of Tertiary Prevention and Treatment for Congenital Heart Disease, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, Henan, 451464, China
| | - Cunying Cui
- Department of Ultrasound, Fuwai Central China Cardiovascular Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, 451464, China
| | - Yanan Li
- Department of Ultrasound, Fuwai Central China Cardiovascular Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, 451464, China
| | - Shuai Wang
- Department of Translational Medicine Center, Chigene (Beijing) Translational Medical Research Center Co., Beijing, 100176, China
| | - Weiyue Gu
- Department of Translational Medicine Center, Chigene (Beijing) Translational Medical Research Center Co., Beijing, 100176, China
| | - Chengzeng Wang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Hao Tang
- Henan Key Laboratory of Chronic Disease Management, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Heart Center of Henan Provincial People’s Hospital, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
| | - Lin Liu
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
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Teixeira S, Guedes-Martins L. First Trimester Tricuspid Regurgitation: Clinical Significance. Curr Cardiol Rev 2023; 19:e061222211643. [PMID: 36475342 PMCID: PMC10280996 DOI: 10.2174/1573403x19666221206115642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 10/19/2022] [Accepted: 10/31/2022] [Indexed: 12/12/2022] Open
Abstract
Tricuspid regurgitation is a cardiac valvular anomaly that consists of the return of blood to the right atrium during systole due to incomplete valve closure. This structure can be visualized on ultrasound between 11 and 14 weeks of gestation in most cases. Despite being a common finding, even in healthy fetuses, the presence of tricuspid regurgitation may be associated with chromosomal and structural abnormalities. The evaluation of tricuspid flow and the presence of regurgitation on first-trimester ultrasound has shown promising results regarding its role in the early detection of aneuploidies, congenital heart defects, and other adverse perinatal outcomes. This review article aims to demonstrate the importance of tricuspid regurgitation as a secondary marker, and consequently, significant benefits of its early detection when added to the combined first-trimester screening. Its value will be discussed, namely its sensitivity and specificity, alone and together with other current markers in the fetal assessment performed in the first-trimester ultrasound.
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Affiliation(s)
- Sofia Teixeira
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto 4050-313, Portugal
- Centro de Medicina Fetal, Medicina Fetal Porto, Serviço de Obstetrícia-Centro Materno Infantil do Norte, Porto 4099-001, Portugal
| | - Luís Guedes-Martins
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto 4050-313, Portugal
- Centro de Medicina Fetal, Medicina Fetal Porto, Serviço de Obstetrícia-Centro Materno Infantil do Norte, Porto 4099-001, Portugal
- Departamento da Mulher e da Medicina, Reprodutiva, Centro Hospitalar Universitário do Porto EPE, Centro Materno Infantil do Norte, Largo Prof. Abel Salazar, Porto 4099-001, Portugal
- Unidade de Investigação e Formação-Centro Materno Infantil do Norte, Porto 4099-001, Portugal
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto 4200-319, Portugal
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Li M, Cai Y, Pang S, Yan B. Molecular Genetic Study on HAND2 Gene Promoter in Ventricular Septal Defect. Int Heart J 2023; 64:1140-1147. [PMID: 38030295 DOI: 10.1536/ihj.22-721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Ventricular septal defect (VSD), the most common type of congenital heart disease (CHD), is primarily caused by cardiac dysplasia. Heart and neural crest derivatives expressed 2 (HAND2) participates in developing the right heart. The loss of HAND2 expression in humans is closely connected with ventricular septal defects. We used a case-control study to analyze the genetic variations in the HAND2 promoter region in VSD patients and controls. Some statistical analysis methods were used to analyze the association of single nucleotide polymorphisms (SNPs) with VSD. The dual-luciferase reporter assay and electrophoretic mobility shift assay (EMSA) were used to conduct functional analysis and molecular mechanism study of genetic variations. Through sequencing, we identified nine genetic variants in patients with VSD. The SNP rs2276940 G>T and rs2276941 G>A were associated with an increased risk of VSD. The dual-luciferase reporter assay showed that SNP rs2276940 G>T and rs138531627 C>G decreased the transcriptional activity of the HAND2 promoter. Transcription factors (TFs) predicting suggested that all three SNPs may change the binding of TFs. The result of EMSA showed that rs138531627 C>G may create a new binding site for TFs while rs2276940 G>T enhanced the binding affinity for TFs. These results indicated that genetic variants of the HAND2 promoter may increase the risk of VSD, and the molecular mechanism may be the change of the binding affinity of TFs.
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Affiliation(s)
- Meikun Li
- Cheeloo College of Medicine, Shandong University
| | - Yahui Cai
- Institute of Precision Medicine, Jining Medical University
- College of Basic Medicine, Jining Medical University
| | - Shuchao Pang
- Shandong Provincial Sino-US Cooperation Research Center for Translational Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University
| | - Bo Yan
- Institute of Precision Medicine, Jining Medical University
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Kusner JJ, Brown JY, Gleason TG, Edelman ER. The Natural History of Bicuspid Aortic Valve Disease. STRUCTURAL HEART 2022. [DOI: 10.1016/j.shj.2022.100119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Angiopoietin-like 2 is essential to aortic valve development in mice. Commun Biol 2022; 5:1277. [PMID: 36414704 PMCID: PMC9681843 DOI: 10.1038/s42003-022-04243-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
Aortic valve (AoV) abnormalities during embryogenesis are a major risk for the development of aortic valve stenosis (AVS) and cardiac events later in life. Here, we identify an unexpected role for Angiopoietin-like 2 (ANGPTL2), a pro-inflammatory protein secreted by senescent cells, in valvulogenesis. At late embryonic stage, mice knocked-down for Angptl2 (Angptl2-KD) exhibit a premature thickening of AoV leaflets associated with a dysregulation of the fine balance between cell apoptosis, senescence and proliferation during AoV remodeling and a decrease in the crucial Notch signalling. These structural and molecular abnormalities lead toward spontaneous AVS with elevated trans-aortic gradient in adult mice of both sexes. Consistently, ANGPTL2 expression is detected in human fetal semilunar valves and associated with pathways involved in cell cycle and senescence. Altogether, these findings suggest that Angptl2 is essential for valvulogenesis, and identify Angptl2-KD mice as an animal model to study spontaneous AVS, a disease with unmet medical need.
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Healing the Broken Hearts: A Glimpse on Next Generation Therapeutics. HEARTS 2022. [DOI: 10.3390/hearts3040013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cardiovascular diseases are the leading cause of death worldwide, accounting for 32% of deaths globally and thus representing almost 18 million people according to WHO. Myocardial infarction, the most prevalent adult cardiovascular pathology, affects over half a million people in the USA according to the last records of the AHA. However, not only adult cardiovascular diseases are the most frequent diseases in adulthood, but congenital heart diseases also affect 0.8–1.2% of all births, accounting for mild developmental defects such as atrial septal defects to life-threatening pathologies such as tetralogy of Fallot or permanent common trunk that, if not surgically corrected in early postnatal days, they are incompatible with life. Therefore, both congenital and adult cardiovascular diseases represent an enormous social and economic burden that invariably demands continuous efforts to understand the causes of such cardiovascular defects and develop innovative strategies to correct and/or palliate them. In the next paragraphs, we aim to briefly account for our current understanding of the cellular bases of both congenital and adult cardiovascular diseases, providing a perspective of the plausible lines of action that might eventually result in increasing our understanding of cardiovascular diseases. This analysis will come out with the building blocks for designing novel and innovative therapeutic approaches to healing the broken hearts.
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Trinidad F, Rubonal F, Rodriguez de Castro I, Pirzadeh I, Gerrah R, Kheradvar A, Rugonyi S. Effect of Blood Flow on Cardiac Morphogenesis and Formation of Congenital Heart Defects. J Cardiovasc Dev Dis 2022; 9:jcdd9090303. [PMID: 36135448 PMCID: PMC9503889 DOI: 10.3390/jcdd9090303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 11/26/2022] Open
Abstract
Congenital heart disease (CHD) affects about 1 in 100 newborns and its causes are multifactorial. In the embryo, blood flow within the heart and vasculature is essential for proper heart development, with abnormal blood flow leading to CHD. Here, we discuss how blood flow (hemodynamics) affects heart development from embryonic to fetal stages, and how abnormal blood flow solely can lead to CHD. We emphasize studies performed using avian models of heart development, because those models allow for hemodynamic interventions, in vivo imaging, and follow up, while they closely recapitulate heart defects observed in humans. We conclude with recommendations on investigations that must be performed to bridge the gaps in understanding how blood flow alone, or together with other factors, contributes to CHD.
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Affiliation(s)
- Fernando Trinidad
- Biomedical Engineering Department, University of California, Irvine, CA 92697, USA
| | - Floyd Rubonal
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR 97239, USA
| | | | - Ida Pirzadeh
- Biomedical Engineering Department, University of California, Irvine, CA 92697, USA
| | - Rabin Gerrah
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305, USA
| | - Arash Kheradvar
- Biomedical Engineering Department, University of California, Irvine, CA 92697, USA
| | - Sandra Rugonyi
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR 97239, USA
- Correspondence:
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Deb N, Lacerda CMR. Valvular Endothelial Cell Response to the Mechanical Environment-A Review. Cell Biochem Biophys 2021; 79:695-709. [PMID: 34661855 DOI: 10.1007/s12013-021-01039-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 10/02/2021] [Indexed: 01/08/2023]
Abstract
Heart valve leaflets are complex structures containing valve endothelial cells, interstitial cells, and extracellular matrix. Heart valve endothelial cells sense mechanical stimuli, and communicate amongst themselves and the surrounding cells and extracellular matrix to maintain tissue homeostasis. In the presence of abnormal mechanical stimuli, endothelial cell communication is triggered in defense and such processes may eventually lead to cardiac disease progression. This review focuses on the role of mechanical stimuli on heart valve endothelial surfaces-from heart valve development and maintenance of tissue integrity to disease progression with related signal pathways involved in this process.
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Affiliation(s)
- Nandini Deb
- Jasper Department of Chemical Engineering, The University of Texas at Tyler, 3900 University Blvd, Tyler, 75799, TX, US
| | - Carla M R Lacerda
- Jasper Department of Chemical Engineering, The University of Texas at Tyler, 3900 University Blvd, Tyler, 75799, TX, US.
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15
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Poelmann RE, Gittenberger-de Groot AC, Goerdajal C, Grewal N, De Bakker MAG, Richardson MK. Ventricular Septation and Outflow Tract Development in Crocodilians Result in Two Aortas with Bicuspid Semilunar Valves. J Cardiovasc Dev Dis 2021; 8:jcdd8100132. [PMID: 34677201 PMCID: PMC8537894 DOI: 10.3390/jcdd8100132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/14/2021] [Accepted: 09/27/2021] [Indexed: 02/07/2023] Open
Abstract
Background: The outflow tract of crocodilians resembles that of birds and mammals as ventricular septation is complete. The arterial anatomy, however, presents with a pulmonary trunk originating from the right ventricular cavum, and two aortas originating from either the right or left ventricular cavity. Mixing of blood in crocodilians cannot occur at the ventricular level as in other reptiles but instead takes place at the aortic root level by a shunt, the foramen of Panizza, the opening of which is guarded by two facing semilunar leaflets of both bicuspid aortic valves. Methods: Developmental stages of Alligator mississipiensis, Crocodilus niloticus and Caiman latirostris were studied histologically. Results and Conclusions: The outflow tract septation complex can be divided into two components. The aorto-pulmonary septum divides the pulmonary trunk from both aortas, whereas the interaortic septum divides the systemic from the visceral aorta. Neural crest cells are most likely involved in the formation of both components. Remodeling of the endocardial cushions and both septa results in the formation of bicuspid valves in all three arterial trunks. The foramen of Panizza originates intracardially as a channel in the septal endocardial cushion.
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Affiliation(s)
- Robert E. Poelmann
- Sylvius Laboratory, Department of Animal Sciences and Health, Institute of Biology, University of Leiden, Sylvi-usweg 72, 2333BE Leiden, The Netherlands; (C.G.); (M.A.G.D.B.); (M.K.R.)
- Department of Cardiology, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, 2300RC Leiden, The Netherlands;
- Correspondence: ; Tel.: +31-652695875
| | | | - Charissa Goerdajal
- Sylvius Laboratory, Department of Animal Sciences and Health, Institute of Biology, University of Leiden, Sylvi-usweg 72, 2333BE Leiden, The Netherlands; (C.G.); (M.A.G.D.B.); (M.K.R.)
| | - Nimrat Grewal
- Department of Cardiothoracic Surgery, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, 2300RC Leiden, The Netherlands;
| | - Merijn A. G. De Bakker
- Sylvius Laboratory, Department of Animal Sciences and Health, Institute of Biology, University of Leiden, Sylvi-usweg 72, 2333BE Leiden, The Netherlands; (C.G.); (M.A.G.D.B.); (M.K.R.)
| | - Michael K. Richardson
- Sylvius Laboratory, Department of Animal Sciences and Health, Institute of Biology, University of Leiden, Sylvi-usweg 72, 2333BE Leiden, The Netherlands; (C.G.); (M.A.G.D.B.); (M.K.R.)
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16
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Paolini A, Fontana F, Pham VC, Rödel CJ, Abdelilah-Seyfried S. Mechanosensitive Notch-Dll4 and Klf2-Wnt9 signaling pathways intersect in guiding valvulogenesis in zebrafish. Cell Rep 2021; 37:109782. [PMID: 34610316 PMCID: PMC8511505 DOI: 10.1016/j.celrep.2021.109782] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 08/11/2021] [Accepted: 09/10/2021] [Indexed: 12/27/2022] Open
Abstract
In the zebrafish embryo, the onset of blood flow generates fluid shear stress on endocardial cells, which are specialized endothelial cells that line the interior of the heart. High levels of fluid shear stress activate both Notch and Klf2 signaling, which play crucial roles in atrioventricular valvulogenesis. However, it remains unclear why only individual endocardial cells ingress into the cardiac jelly and initiate valvulogenesis. Here, we show that lateral inhibition between endocardial cells, mediated by Notch, singles out Delta-like-4-positive endocardial cells. These cells ingress into the cardiac jelly, where they form an abluminal cell population. Delta-like-4-positive cells ingress in response to Wnt9a, which is produced in parallel through an Erk5-Klf2-Wnt9a signaling cascade also activated by blood flow. Hence, mechanical stimulation activates parallel mechanosensitive signaling pathways that produce binary effects by driving endocardial cells toward either luminal or abluminal fates. Ultimately, these cell fate decisions sculpt cardiac valve leaflets.
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Affiliation(s)
- Alessio Paolini
- Institute of Biochemistry and Biology, Potsdam University, 14476 Potsdam, Germany
| | - Federica Fontana
- Institute of Biochemistry and Biology, Potsdam University, 14476 Potsdam, Germany
| | - Van-Cuong Pham
- Institute of Biochemistry and Biology, Potsdam University, 14476 Potsdam, Germany
| | - Claudia Jasmin Rödel
- Institute of Biochemistry and Biology, Potsdam University, 14476 Potsdam, Germany
| | - Salim Abdelilah-Seyfried
- Institute of Biochemistry and Biology, Potsdam University, 14476 Potsdam, Germany; Institute of Molecular Biology, Hannover Medical School, 30625 Hannover, Germany.
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17
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Matos-Nieves A, Manivannan S, Majumdar U, McBride KL, White P, Garg V. A Multi-Omics Approach Using a Mouse Model of Cardiac Malformations for Prioritization of Human Congenital Heart Disease Contributing Genes. Front Cardiovasc Med 2021; 8:683074. [PMID: 34504875 PMCID: PMC8421733 DOI: 10.3389/fcvm.2021.683074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/22/2021] [Indexed: 01/22/2023] Open
Abstract
Congenital heart disease (CHD) is the most common type of birth defect, affecting ~1% of all live births. Malformations of the cardiac outflow tract (OFT) account for ~30% of all CHD and include a range of CHDs from bicuspid aortic valve (BAV) to tetralogy of Fallot (TOF). We hypothesized that transcriptomic profiling of a mouse model of CHD would highlight disease-contributing genes implicated in congenital cardiac malformations in humans. To test this hypothesis, we utilized global transcriptional profiling differences from a mouse model of OFT malformations to prioritize damaging, de novo variants identified from exome sequencing datasets from published cohorts of CHD patients. Notch1+/−; Nos3−/− mice display a spectrum of cardiac OFT malformations ranging from BAV, semilunar valve (SLV) stenosis to TOF. Global transcriptional profiling of the E13.5 Notch1+/−; Nos3−/− mutant mouse OFTs and wildtype controls was performed by RNA sequencing (RNA-Seq). Analysis of the RNA-Seq dataset demonstrated genes belonging to the Hif1α, Tgf-β, Hippo, and Wnt signaling pathways were differentially expressed in the mutant OFT. Mouse to human comparative analysis was then performed to determine if patients with TOF and SLV stenosis display an increased burden of damaging, genetic variants in gene homologs that were dysregulated in Notch1+/−; Nos3−/− OFT. We found an enrichment of de novo variants in the TOF population among the 1,352 significantly differentially expressed genes in Notch1+/−; Nos3−/− mouse OFT but not the SLV population. This association was not significant when comparing only highly expressed genes in the murine OFT to de novo variants in the TOF population. These results suggest that transcriptomic datasets generated from the appropriate temporal, anatomic and cellular tissues from murine models of CHD may provide a novel approach for the prioritization of disease-contributing genes in patients with CHD.
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Affiliation(s)
- Adrianna Matos-Nieves
- Center for Cardiovascular Research and Heart Center, Nationwide Children's Hospital, Columbus, OH, United States
| | - Sathiyanarayanan Manivannan
- Center for Cardiovascular Research and Heart Center, Nationwide Children's Hospital, Columbus, OH, United States
| | - Uddalak Majumdar
- Center for Cardiovascular Research and Heart Center, Nationwide Children's Hospital, Columbus, OH, United States
| | - Kim L McBride
- Center for Cardiovascular Research and Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, Ohio State University, Columbus, OH, United States
| | - Peter White
- Department of Pediatrics, Ohio State University, Columbus, OH, United States.,The Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, United States
| | - Vidu Garg
- Center for Cardiovascular Research and Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, Ohio State University, Columbus, OH, United States.,Department of Molecular Genetics, Ohio State University, Columbus, OH, United States
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18
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Ling S, Jenkins MW, Watanabe M, Ford SM, Rollins AM. Prenatal ethanol exposure impairs the conduction delay at the atrioventricular junction in the looping heart. Am J Physiol Heart Circ Physiol 2021; 321:H294-H305. [PMID: 34142884 PMCID: PMC8526336 DOI: 10.1152/ajpheart.00107.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 12/27/2022]
Abstract
The etiology of ethanol-related congenital heart defects has been the focus of much study, but most research has concentrated on cellular and molecular mechanisms. We have shown with optical coherence tomography (OCT) that ethanol exposure led to increased retrograde flow and smaller atrioventricular (AV) cushions compared with controls. Since AV cushions play a role in patterning the conduction delay at the atrioventricular junction (AVJ), this study aims to investigate whether ethanol exposure alters the AVJ conduction in early looping hearts and whether this alteration is related to the decreased cushion size. Quail embryos were exposed to a single dose of ethanol at gastrulation, and Hamburger-Hamilton stage 19-20 hearts were dissected for imaging. Cardiac conduction was measured using an optical mapping microscope and we imaged the endocardial cushions using OCT. Our results showed that, compared with controls, ethanol-exposed embryos exhibited abnormally fast AVJ conduction and reduced cushion size. However, this increased conduction velocity (CV) did not strictly correlate with decreased cushion volume and thickness. By matching the CV map to the cushion-size map along the inflow heart tube, we found that the slowest conduction location was consistently at the atrial side of the AVJ, which had the thinner cushions, not at the thickest cushion location at the ventricular side as expected. Our findings reveal regional differences in the AVJ myocardium even at this early stage in heart development. These findings reveal the early steps leading to the heterogeneity and complexity of conduction at the mature AVJ, a site where arrhythmias can be initiated.NEW & NOTEWORTHY To the best of our knowledge, this is the first study investigating the impact of ethanol exposure on the early cardiac conduction system. Our results showed that ethanol-exposed embryos exhibited abnormally fast atrioventricular conduction. In addition, our findings, in CV measurements and endocardial cushion thickness, reveal regional differences in the AVJ myocardium even at this early stage in heart development, suggesting that the differentiation and maturation at this site are complex and warrant further studies.
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Affiliation(s)
- Shan Ling
- Department of Biomedical Engineering, School of Engineering and School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Michael W Jenkins
- Department of Biomedical Engineering, School of Engineering and School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Michiko Watanabe
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio
- Division of Pediatric Cardiology, The Congenital Heart Collaborative, Rainbow Babies and Children's Hospital, Cleveland, Ohio
| | - Stephanie M Ford
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio
- Division of Pediatric Cardiology, The Congenital Heart Collaborative, Rainbow Babies and Children's Hospital, Cleveland, Ohio
- Division of Neonatology, Rainbow Babies and Children's Hospital, Cleveland, Ohio
| | - Andrew M Rollins
- Department of Biomedical Engineering, School of Engineering and School of Medicine, Case Western Reserve University, Cleveland, Ohio
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19
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Engineering the aortic valve extracellular matrix through stages of development, aging, and disease. J Mol Cell Cardiol 2021; 161:1-8. [PMID: 34339757 DOI: 10.1016/j.yjmcc.2021.07.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 02/01/2023]
Abstract
For such a thin tissue, the aortic valve possesses an exquisitely complex, multi-layered extracellular matrix (ECM), and disruptions to this structure constitute one of the earliest hallmarks of fibrocalcific aortic valve disease (CAVD). The native valve structure provides a challenging target for engineers to mimic, but the development of advanced, ECM-based scaffolds may enable mechanistic and therapeutic discoveries that are not feasible in other culture or in vivo platforms. This review first discusses the ECM changes that occur during heart valve development, normal aging, onset of early-stage disease, and progression to late-stage disease. We then provide an overview of the bottom-up tissue engineering strategies that have been used to mimic the valvular ECM, and opportunities for advancement in these areas.
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20
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Wang Y, Fang Y, Lu P, Wu B, Zhou B. NOTCH Signaling in Aortic Valve Development and Calcific Aortic Valve Disease. Front Cardiovasc Med 2021; 8:682298. [PMID: 34239905 PMCID: PMC8259786 DOI: 10.3389/fcvm.2021.682298] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/14/2021] [Indexed: 01/05/2023] Open
Abstract
NOTCH intercellular signaling mediates the communications between adjacent cells involved in multiple biological processes essential for tissue morphogenesis and homeostasis. The NOTCH1 mutations are the first identified human genetic variants that cause congenital bicuspid aortic valve (BAV) and calcific aortic valve disease (CAVD). Genetic variants affecting other genes in the NOTCH signaling pathway may also contribute to the development of BAV and the pathogenesis of CAVD. While CAVD occurs commonly in the elderly population with tri-leaflet aortic valve, patients with BAV have a high risk of developing CAVD at a young age. This observation indicates an important role of NOTCH signaling in the postnatal homeostasis of the aortic valve, in addition to its prenatal functions during aortic valve development. Over the last decade, animal studies, especially with the mouse models, have revealed detailed information in the developmental etiology of congenital aortic valve defects. In this review, we will discuss the molecular and cellular aspects of aortic valve development and examine the embryonic pathogenesis of BAV. We will focus our discussions on the NOTCH signaling during the endocardial-to-mesenchymal transformation (EMT) and the post-EMT remodeling of the aortic valve. We will further examine the involvement of the NOTCH mutations in the postnatal development of CAVD. We will emphasize the deleterious impact of the embryonic valve defects on the homeostatic mechanisms of the adult aortic valve for the purpose of identifying the potential therapeutic targets for disease intervention.
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Affiliation(s)
- Yidong Wang
- The Institute of Cardiovascular Sciences, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Yuan Fang
- The Institute of Cardiovascular Sciences, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Pengfei Lu
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Bingruo Wu
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Bin Zhou
- Departments of Genetics, Pediatrics (Pediatric Genetic Medicine), and Medicine (Cardiology), The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, United States
- The Einstein Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, United States
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21
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Lachat C, Peixoto P, Hervouet E. Epithelial to Mesenchymal Transition History: From Embryonic Development to Cancers. Biomolecules 2021; 11:biom11060782. [PMID: 34067395 PMCID: PMC8224685 DOI: 10.3390/biom11060782] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 12/11/2022] Open
Abstract
Epithelial to mesenchymal transition (EMT) is a process that allows epithelial cells to progressively acquire a reversible mesenchymal phenotype. Here, we recount the main events in the history of EMT. EMT was first studied during embryonic development. Nowadays, it is an important field in cancer research, studied all around the world by more and more scientists, because it was shown that EMT is involved in cancer aggressiveness in many different ways. The main features of EMT's involvement in embryonic development, fibrosis and cancers are briefly reviewed here.
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Affiliation(s)
- Camille Lachat
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- Correspondence:
| | - Paul Peixoto
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- EPIgenetics and GENe EXPression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Eric Hervouet
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- EPIgenetics and GENe EXPression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, F-25000 Besançon, France
- DImaCell Platform, University Bourgogne Franche-Comté, F-25000 Besançon, France
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22
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Fontana F, Haack T, Reichenbach M, Knaus P, Puceat M, Abdelilah-Seyfried S. Antagonistic Activities of Vegfr3/Flt4 and Notch1b Fine-tune Mechanosensitive Signaling during Zebrafish Cardiac Valvulogenesis. Cell Rep 2021; 32:107883. [PMID: 32668254 DOI: 10.1016/j.celrep.2020.107883] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/10/2020] [Accepted: 06/17/2020] [Indexed: 12/22/2022] Open
Abstract
The formation of cardiac valves depends on mechanical forces exerted by blood flow. Endocardial cells lining the interior of the heart are sensitive to these stimuli and respond by rearranging into luminal cells subjected to shear stress and abluminal cells not exposed to it. The mechanisms by which endocardial cells sense these dynamic biomechanical stimuli and how they evoke different cellular responses are largely unknown. Here, we show that blood flow activates two parallel mechanosensitive pathways, one mediated by Notch and the other by Klf2a. Both pathways negatively regulate the angiogenesis receptor Vegfr3/Flt4, which becomes restricted to abluminal endocardial cells. Its loss disrupts valve morphogenesis and results in the occurrence of Notch signaling within abluminal endocardial cells. Our work explains how antagonistic activities by Vegfr3/Flt4 on the abluminal side and by Notch on the luminal side shape cardiac valve leaflets by triggering unique differences in the fates of endocardial cells.
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Affiliation(s)
- Federica Fontana
- Institute of Biochemistry and Biology, Potsdam University, D-14476 Potsdam, Germany
| | - Timm Haack
- Institute of Molecular Biology, Hannover Medical School, D-30625 Hannover, Germany
| | - Maria Reichenbach
- Institute of Biochemistry, Freie Universität Berlin, D-14195 Berlin, Germany
| | - Petra Knaus
- Institute of Biochemistry, Freie Universität Berlin, D-14195 Berlin, Germany
| | - Michel Puceat
- INSERM U-1251, MMG, Aix-Marseille University, 13885 Marseille, France
| | - Salim Abdelilah-Seyfried
- Institute of Biochemistry and Biology, Potsdam University, D-14476 Potsdam, Germany; Institute of Molecular Biology, Hannover Medical School, D-30625 Hannover, Germany.
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23
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Abstract
Aortic stenosis (AS) remains one of the most common forms of valve disease, with significant impact on patient survival. The disease is characterized by left ventricular outflow obstruction and encompasses a series of stenotic lesions starting from the left ventricular outflow tract to the descending aorta. Obstructions may be subvalvar, valvar, or supravalvar and can be present at birth (congenital) or acquired later in life. Bicuspid aortic valve, whereby the aortic valve forms with two instead of three cusps, is the most common cause of AS in younger patients due to primary anatomic narrowing of the valve. In addition, the secondary onset of premature calcification, likely induced by altered hemodynamics, further obstructs left ventricular outflow in bicuspid aortic valve patients. In adults, degenerative AS involves progressive calcification of an anatomically normal, tricuspid aortic valve and is attributed to lifelong exposure to multifactoral risk factors and physiological wear-and-tear that negatively impacts valve structure-function relationships. AS continues to be the most frequent valvular disease that requires intervention, and aortic valve replacement is the standard treatment for patients with severe or symptomatic AS. While the positive impacts of surgical interventions are well documented, the financial burden, the potential need for repeated procedures, and operative risks are substantial. In addition, the clinical management of asymptomatic patients remains controversial. Therefore, there is a critical need to develop alternative approaches to prevent the progression of left ventricular outflow obstruction, especially in valvar lesions. This review summarizes our current understandings of AS cause; beginning with developmental origins of congenital valve disease, and leading into the multifactorial nature of AS in the adult population.
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Affiliation(s)
- Punashi Dutta
- The Herma Heart Institute, Section of Pediatric Cardiology, Children's Wisconsin, Milwaukee, WI (P.D., J.F.J., H.K., J.L.).,Department of Pediatrics, Medical College of Wisconsin, Milwaukee (P.D., J.F.J., J.L.)
| | - Jeanne F James
- The Herma Heart Institute, Section of Pediatric Cardiology, Children's Wisconsin, Milwaukee, WI (P.D., J.F.J., H.K., J.L.).,Department of Pediatrics, Medical College of Wisconsin, Milwaukee (P.D., J.F.J., J.L.)
| | - Hail Kazik
- The Herma Heart Institute, Section of Pediatric Cardiology, Children's Wisconsin, Milwaukee, WI (P.D., J.F.J., H.K., J.L.).,Department of Biomedical Engineering, Marquette University & Medical College of Wisconsin, Milwaukee (H.K.)
| | - Joy Lincoln
- The Herma Heart Institute, Section of Pediatric Cardiology, Children's Wisconsin, Milwaukee, WI (P.D., J.F.J., H.K., J.L.).,Department of Pediatrics, Medical College of Wisconsin, Milwaukee (P.D., J.F.J., J.L.)
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24
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Abstract
Over 50 years after its discovery in early chick embryos, the concept of epithelial-mesenchymal transition (EMT) is now widely applied to morphogenetic studies in both physiological and pathological contexts. Indeed, the EMT field has witnessed exponential growth in recent years, driven primarily by a rapid expansion of cancer-oriented EMT research. This has led to EMT-based therapeutic interventions that bear the prospect of fighting cancer, and has given developmental biologists new impetus to investigate EMT phenomena more closely and to find suitable models to address emerging EMT-related questions. Here, and in the accompanying poster, I provide a brief summary of the current status of EMT research and give an overview of EMT models that have been used in developmental studies. I also highlight dynamic epithelialization and de-epithelialization events that are involved in many developmental processes and that should be considered to provide a broader perspective of EMT. Finally, I put forward a set of criteria to separate morphogenetic phenomena that are EMT-related from those that are not.
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Affiliation(s)
- Guojun Sheng
- International Research Center for Medical Sciences (IRCMS), Kumamoto University, 2-2-1 Honjo, Chuo-ku, Kumamoto 860-0811, Japan
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25
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Assembly of the Cardiac Pacemaking Complex: Electrogenic Principles of Sinoatrial Node Morphogenesis. J Cardiovasc Dev Dis 2021; 8:jcdd8040040. [PMID: 33917972 PMCID: PMC8068396 DOI: 10.3390/jcdd8040040] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/31/2021] [Accepted: 04/05/2021] [Indexed: 11/24/2022] Open
Abstract
Cardiac pacemaker cells located in the sinoatrial node initiate the electrical impulses that drive rhythmic contraction of the heart. The sinoatrial node accounts for only a small proportion of the total mass of the heart yet must produce a stimulus of sufficient strength to stimulate the entire volume of downstream cardiac tissue. This requires balancing a delicate set of electrical interactions both within the sinoatrial node and with the downstream working myocardium. Understanding the fundamental features of these interactions is critical for defining vulnerabilities that arise in human arrhythmic disease and may provide insight towards the design and implementation of the next generation of potential cellular-based cardiac therapeutics. Here, we discuss physiological conditions that influence electrical impulse generation and propagation in the sinoatrial node and describe developmental events that construct the tissue-level architecture that appears necessary for sinoatrial node function.
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26
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Abstract
Endocardial cells are specialized endothelial cells that, during embryogenesis, form a lining on the inside of the developing heart, which is maintained throughout life. Endocardial cells are an essential source for several lineages of the cardiovascular system including coronary endothelium, endocardial cushion mesenchyme, cardiomyocytes, mural cells, fibroblasts, liver vasculature, adipocytes, and hematopoietic cells. Alterations in the differentiation programs that give rise to these lineages has detrimental effects, including premature lethality or significant structural malformations present at birth. Here, we will review the literature pertaining to the contribution of endocardial cells to valvular, and nonvalvular lineages and highlight critical pathways required for these processes. The lineage differentiation potential of embryonic, and possibly adult, endocardial cells has therapeutic potential in the regeneration of damaged cardiac tissue or treatment of cardiovascular diseases.
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Affiliation(s)
- Bailey Dye
- Biomedical Sciences Graduate Program at The Ohio State University, Columbus, Ohio 43210, USA.,Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA.,Division of Pediatric Cardiology, Herma Heart Institute, Children's Hospital of Wisconsin, Milwaukee, Wisconsin 53226, USA
| | - Joy Lincoln
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA.,Division of Pediatric Cardiology, Herma Heart Institute, Children's Hospital of Wisconsin, Milwaukee, Wisconsin 53226, USA
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27
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Ahluwalia N, Gelb BD. A de novo pathogenic BMP2 variant-related phenotype with the novel finding of bicuspid aortic valve. Am J Med Genet A 2020; 185:575-578. [PMID: 33247540 DOI: 10.1002/ajmg.a.61992] [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: 10/01/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 11/10/2022]
Abstract
A rare autosomal dominant syndrome with craniofacial dysmorphisms, skeletal abnormalities, short stature, and congenital heart defects has recently been described, associated with monoallelic truncating and frameshift bone morphogenetic protein 2 (BMP2) variants and deletions. We describe a patient harboring a novel de novo BMP2 nonsense variant, who exhibited craniofacial and skeletal features previously described for this trait and the novel findings of bicuspid aortic valve (BAV) and aortic root and ascending aortic aneurysm. This first instance of aortic valve involvement provides another potential cause of BAV and confirms the role of BMP2 in left ventricular outflow development.
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Affiliation(s)
- Neha Ahluwalia
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Bruce D Gelb
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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28
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Lu PN, Moreland T, Christian CJ, Lund TC, Steet RA, Flanagan-Steet H. Inappropriate cathepsin K secretion promotes its enzymatic activation driving heart and valve malformation. JCI Insight 2020; 5:133019. [PMID: 33055423 PMCID: PMC7605527 DOI: 10.1172/jci.insight.133019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 09/16/2020] [Indexed: 01/12/2023] Open
Abstract
Although congenital heart defects (CHDs) represent the most common birth defect, a comprehensive understanding of disease etiology remains unknown. This is further complicated since CHDs can occur in isolation or as a feature of another disorder. Analyzing disorders with associated CHDs provides a powerful platform to identify primary pathogenic mechanisms driving disease. Aberrant localization and expression of cathepsin proteases can perpetuate later-stage heart diseases, but their contribution toward CHDs is unclear. To investigate the contribution of cathepsins during cardiovascular development and congenital disease, we analyzed the pathogenesis of cardiac defects in zebrafish models of the lysosomal storage disorder mucolipidosis II (MLII). MLII is caused by mutations in the GlcNAc-1-phosphotransferase enzyme (Gnptab) that disrupt carbohydrate-dependent sorting of lysosomal enzymes. Without Gnptab, lysosomal hydrolases, including cathepsin proteases, are inappropriately secreted. Analyses of heart development in gnptab-deficient zebrafish show cathepsin K secretion increases its activity, disrupts TGF-β–related signaling, and alters myocardial and valvular formation. Importantly, cathepsin K inhibition restored normal heart and valve development in MLII embryos. Collectively, these data identify mislocalized cathepsin K as an initiator of cardiac disease in this lysosomal disorder and establish cathepsin inhibition as a viable therapeutic strategy. Mislocalized cathepsin K promotes cardiac disease in a zebrafish model of the lysosomal disorder mucolipidosis II and can be targeted by cathespin inhibition.
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Affiliation(s)
- Po-Nien Lu
- Greenwood Genetic Center, J.C. Self Research Institute, Greenwood, South Carolina, USA
| | - Trevor Moreland
- Greenwood Genetic Center, J.C. Self Research Institute, Greenwood, South Carolina, USA
| | - Courtney J Christian
- Biochemistry, Cell and Developmental Biology, Emory University Laney Graduate School, Atlanta, Georgia, USA
| | - Troy C Lund
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Richard A Steet
- Greenwood Genetic Center, J.C. Self Research Institute, Greenwood, South Carolina, USA
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29
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Wittig JG, Münsterberg A. The Chicken as a Model Organism to Study Heart Development. Cold Spring Harb Perspect Biol 2020; 12:cshperspect.a037218. [PMID: 31767650 DOI: 10.1101/cshperspect.a037218] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Heart development is a complex process and begins with the long-range migration of cardiac progenitor cells during gastrulation. This culminates in the formation of a simple contractile tube with multiple layers, which undergoes remodeling into a four-chambered heart. During this morphogenesis, additional cell populations become incorporated. It is important to unravel the underlying genetic and cellular mechanisms to be able to identify the embryonic origin of diseases, including congenital malformations, which impair cardiac function and may affect life expectancy or quality. Owing to the evolutionary conservation of development, observations made in nonamniote and amniote vertebrate species allow us to extrapolate to human. This review will focus on the contributions made to a better understanding of heart development through studying avian embryos-mainly the chicken but also quail embryos. We will illustrate the classic and recent approaches used in the avian system, give an overview of the important discoveries made, and summarize the early stages of cardiac development up to the establishment of the four-chambered heart.
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Affiliation(s)
- Johannes G Wittig
- School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, United Kingdom
| | - Andrea Münsterberg
- School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, United Kingdom
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30
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Abstract
The valves of the heart are crucial for ensuring that blood flows in one direction from the heart, through the lungs and back to the rest of the body. Heart valve development is regulated by complex interactions between different cardiac cell types and is subject to blood flow-driven forces. Recent work has begun to elucidate the important roles of developmental pathways, valve cell heterogeneity and hemodynamics in determining the structure and function of developing valves. Furthermore, this work has revealed that many key genetic pathways involved in cardiac valve development are also implicated in diseased valves. Here, we review recent discoveries that have furthered our understanding of the molecular, cellular and mechanosensitive mechanisms of valve development, and highlight new insights into congenital and acquired valve disease.
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Affiliation(s)
- Anna O'Donnell
- The Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Molecular and Developmental Biology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Katherine E Yutzey
- The Heart Institute, Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Molecular and Developmental Biology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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31
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Gaponova AV, Rodin S, Mazina AA, Volchkov PV. Epithelial-Mesenchymal Transition: Role in Cancer Progression and the Perspectives of Antitumor Treatment. Acta Naturae 2020; 12:4-23. [PMID: 33173593 PMCID: PMC7604894 DOI: 10.32607/actanaturae.11010] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/20/2020] [Indexed: 12/12/2022] Open
Abstract
About 90% of all malignant tumors are of epithelial nature. The epithelial tissue is characterized by a close interconnection between cells through cell-cell interactions, as well as a tight connection with the basement membrane, which is responsible for cell polarity. These interactions strictly determine the location of epithelial cells within the body and are seemingly in conflict with the metastatic potential that many cancers possess (the main criteria for highly malignant tumors). Tumor dissemination into vital organs is one of the primary causes of death in patients with cancer. Tumor dissemination is based on the so-called epithelial-mesenchymal transition (EMT), a process when epithelial cells are transformed into mesenchymal cells possessing high mobility and migration potential. More and more studies elucidating the role of the EMT in metastasis and other aspects of tumor progression are published each year, thus forming a promising field of cancer research. In this review, we examine the most recent data on the intracellular and extracellular molecular mechanisms that activate EMT and the role they play in various aspects of tumor progression, such as metastasis, apoptotic resistance, and immune evasion, aspects that have usually been attributed exclusively to cancer stem cells (CSCs). In conclusion, we provide a detailed review of the approved and promising drugs for cancer therapy that target the components of the EMT signaling pathways.
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Affiliation(s)
- A. V. Gaponova
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701 Russia
| | - S. Rodin
- Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, 17177 Sweden
| | - A. A. Mazina
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701 Russia
| | - P. V. Volchkov
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701 Russia
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32
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Zhang S, Song Z, An L, Liu X, Hu XW, Naz A, Zhou R, Guo X, He L, Zhu H. WD40 repeat and FYVE domain containing 3 is essential for cardiac development. Cardiovasc Res 2020; 115:1320-1331. [PMID: 30428088 DOI: 10.1093/cvr/cvy285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/22/2018] [Accepted: 11/13/2018] [Indexed: 01/02/2023] Open
Abstract
AIMS WD40 repeat and FYVE domain containing 3 (WDFY3) is an adaptor protein involved in selective degradation of protein aggregates by autophagy. Recent studies have revealed that Wdfy3 is critical in the regulation of brain development and osteoclastogenesis in vivo. However, the function of Wdfy3 in cardiac development remains completely unknown. In this study, we explore the role of Wdfy3 in cardiac morphogenesis using Wdfy3-deficient mice. METHODS AND RESULTS Wdfy3 was expressed in the developing heart in mice and peaked at embryonic day 12.5 (E12.5). Loss of Wdfy3 in mice led to embryonic and neonatal lethality. Wdfy3-deficient mice displayed various congenital heart defects including membranous ventricular septal defect (VSD), aortic overriding (AO), double outlet right ventricle (DORV), thinning of ventricular wall, ventricular dilation, and disorganized ventricular trabeculation at E14.5. Cell proliferation was reduced in the hearts from Wdfy3-deficient mice at E12.5 and E14.5, which was associated with enhanced p21 expression. Cardiomyocyte differentiation was diminished as demonstrated by reduced Myh6 and MLC2v in Wdfy3-deficient mice at E14.5. In addition, Nkx2-5 and Mef2c, two cardiac transcription factors regulating cardiomyocyte differentiation, were decreased in Wdfy3-deficient mice at E14.5. Apoptotic cell death remained unaltered. These data suggest that reduced cell proliferation and cardiomyocyte differentiation contribute to cardiac defects in Wdfy3-deficient mice. Mechanistically, loss of Wdfy3 led to a reduction in protein levels of Notch 1 intracellular domain and its downstream targets Hes1 and Hey1, which was accompanied with enhanced full-length Notch1 protein levels. In vitro luciferase assay showed that Wdfy3 deficiency induced activity of p21 promoter, while diminished activity of Hes1 promoter through modulation of Notch1 signalling. Moreover, Wdfy3 was co-localized with Notch1 in primary embryonic cardiomyocytes. Endogenous Wdfy3 physically interacted with full-length Notch1 in the developing heart. These results suggest that Notch1 signalling is perturbed in the hearts from Wdfy3-deficient mice. No alteration of autophagy was detected in the hearts from Wdfy3-deficient mice. CONCLUSION Taken together, our data suggest that Wdfy3 plays an essential role in cardiac development, which may be mediated by modulation of Notch1 signalling.
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Affiliation(s)
- Shasha Zhang
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Zongpei Song
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Lin An
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoyun Liu
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Xiao-Wen Hu
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Amber Naz
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Rujiang Zhou
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Xizhi Guo
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Lin He
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Hongxin Zhu
- Bio-X-Renji Hospital Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, China.,Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
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33
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Lan Y, Pan H, Li C, Banks KM, Sam J, Ding B, Elemento O, Goll MG, Evans T. TETs Regulate Proepicardial Cell Migration through Extracellular Matrix Organization during Zebrafish Cardiogenesis. Cell Rep 2020; 26:720-732.e4. [PMID: 30650362 PMCID: PMC6366638 DOI: 10.1016/j.celrep.2018.12.076] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 10/30/2018] [Accepted: 12/18/2018] [Indexed: 12/22/2022] Open
Abstract
Ten-eleven translocation (Tet) enzymes (Tet1/2/3) mediate 5-methylcytosine (5mC) hydroxylation, which can facilitate DNA demethylation and thereby impact gene expression. Studied mostly for how mutant isoforms impact cancer, the normal roles for Tet enzymes during organogenesis are largely unknown. By analyzing compound mutant zebrafish, we discovered a requirement for Tet2/3 activity in the embryonic heart for recruitment of epicardial progenitors, associated with development of the atrial-ventricular canal (AVC). Through a combination of methylation, hydroxymethylation, and transcript profiling, the genes encoding the activin A subunit Inhbaa (in endocardium) and Sox9b (in myocardium) were implicated as demethylation targets of Tet2/3 and critical for organization of AVC-localized extracellular matrix (ECM), facilitating migration of epicardial progenitors onto the developing heart tube. This study elucidates essential DNA demethylation modifications that govern gene expression changes during cardiac development with striking temporal and lineage specificities, highlighting complex interactions in multiple cell populations during development of the vertebrate heart. Lan et al. show that zebrafish larvae mutant for tet2 and tet3 fail to demethylate genes encoding Inhbaa (in endocardium) and Sox9b (in myocardium), leading to defects in ECM needed to form valves and to recruit epicardial progenitors onto the heart tube.
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Affiliation(s)
- Yahui Lan
- Department of Surgery, Weill Cornell Medical College, New York, NY 10065, USA
| | - Heng Pan
- Department of Physiology and Biophysics, Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Cheng Li
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Program in Biochemistry and Structural Biology, Cell and Developmental Biology, and Molecular Biology, Weill Cornell Graduate School of Medical Sciences, Cornell University, New York, NY 10065, USA
| | - Kelly M Banks
- Department of Surgery, Weill Cornell Medical College, New York, NY 10065, USA
| | - Jessica Sam
- Department of Surgery, Weill Cornell Medical College, New York, NY 10065, USA
| | - Bo Ding
- Bonacept, LLC, 7699 Palmilla Drive, Apt. 3312, San Diego, CA 92122, USA
| | - Olivier Elemento
- Department of Physiology and Biophysics, Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Mary G Goll
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Todd Evans
- Department of Surgery, Weill Cornell Medical College, New York, NY 10065, USA.
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34
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Malashicheva A, Kostina A, Kostareva A, Irtyuga O, Gordeev M, Uspensky V. Notch signaling in the pathogenesis of thoracic aortic aneurysms: A bridge between embryonic and adult states. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165631. [PMID: 31816439 DOI: 10.1016/j.bbadis.2019.165631] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 11/23/2019] [Accepted: 12/02/2019] [Indexed: 12/17/2022]
Abstract
Aneurysms of the thoracic aorta are a "silent killer" with no evident clinical signs until the fatal outcome. Molecular and genetic bases of thoracic aortic aneurysms mainly include transforming growth factor beta signaling, smooth muscle contractile units and metabolism genes, and extracellular matrix genes. In recent studies, a role of Notch signaling, among other pathways, has emerged in disease pathogenesis. Notch is a highly conserved signaling pathway that regulates the development and differentiation of many types of tissues and influences major cellular processes such as cell proliferation, differentiation and apoptosis. Mutations in several Notch signaling components have been associated with a number of heart defects, demonstrating an essential role of Notch signaling both in cardiovascular system development and its maintenance during postnatal life. This review discusses the role of Notch signaling in the pathogenesis of thoracic aortic aneurysms considering development and maintenance of the aortic root and how developmental regulations by Notch signaling may influence thoracic aortic aneurysms.
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Affiliation(s)
- Anna Malashicheva
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia; Institute of Cytology, Russian Academy of Sciences, Tikhoretskiy, 4, 194064 Saint Petersburg, Russia; Saint Petersburg State University, Department of Embryology, Universitetskaya nab., 7/9, 199034, Saint Petersburg, Russia.
| | - Aleksandra Kostina
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia; Institute of Cytology, Russian Academy of Sciences, Tikhoretskiy, 4, 194064 Saint Petersburg, Russia
| | - Anna Kostareva
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia
| | - Olga Irtyuga
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia
| | - Mikhail Gordeev
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia
| | - Vladimir Uspensky
- Almazov National Medical Research Centre, Akkuratova, 2, 197341 Saint Petersburg, Russia
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35
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Odelin G, Faure E, Maurel-Zaffran C, Zaffran S. Krox20 Regulates Endothelial Nitric Oxide Signaling in Aortic Valve Development and Disease. J Cardiovasc Dev Dis 2019; 6:jcdd6040039. [PMID: 31684048 PMCID: PMC6955692 DOI: 10.3390/jcdd6040039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/25/2019] [Accepted: 10/31/2019] [Indexed: 12/18/2022] Open
Abstract
Among the aortic valve diseases, the bicuspid aortic valve (BAV) occurs when the aortic valve has two leaflets (cusps), rather than three, and represents the most common form of congenital cardiac malformation, affecting 1–2% of the population. Despite recent advances, the etiology of BAV is poorly understood. We have recently shown that Krox20 is expressed in endothelial and cardiac neural crest derivatives that normally contribute to aortic valve development and that lack of Krox20 in these cells leads to aortic valve defects including partially penetrant BAV formation. Dysregulated expression of endothelial nitric oxide synthase (Nos3) is associated with BAV. To investigate the relationship between Krox20 and Nos3 during aortic valve development, we performed inter-genetic cross. While single heterozygous mice had normal valve formation, the compound Krox20+/−;Nos3+/− mice had BAV malformations displaying an in vivo genetic interaction between these genes for normal valve morphogenesis. Moreover, in vivo and in vitro experiments demonstrate that Krox20 directly binds to Nos3 proximal promoter to activate its expression. Our data suggests that Krox20 is a regulator of nitric oxide in endothelial-derived cells in the development of the aortic valve and concludes on the interaction of Krox20 and Nos3 in BAV formation.
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Affiliation(s)
- Gaëlle Odelin
- Aix Marseille University, INSERM, Marseille Medical Genetics, U1251, 13005 Marseille, France.
| | - Emilie Faure
- Aix Marseille University, INSERM, Marseille Medical Genetics, U1251, 13005 Marseille, France.
| | | | - Stéphane Zaffran
- Aix Marseille University, INSERM, Marseille Medical Genetics, U1251, 13005 Marseille, France.
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36
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Mehes E, Barath M, Gulyas M, Bugyik E, Geiszt M, Szoor A, Lanyi A, Czirok A. Enhanced endothelial motility and multicellular sprouting is mediated by the scaffold protein TKS4. Sci Rep 2019; 9:14363. [PMID: 31591456 PMCID: PMC6779758 DOI: 10.1038/s41598-019-50915-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 09/17/2019] [Indexed: 01/15/2023] Open
Abstract
Endothelial cell motility has fundamental role in vasculogenesis and angiogenesis during developmental or pathological processes. Tks4 is a scaffold protein known to organize the cytoskeleton of lamellipodia and podosomes, and thus modulating cell motility and invasion. In particular, Tks4 is required for the localization and activity of membrane type 1-matrix metalloproteinase, a key factor for extracellular matrix (ECM) cleavage during cell migration. While its role in transformed cells is well established, little is known about the function of Tks4 under physiological conditions. In this study we examined the impact of Tks4 gene silencing on the functional activity of primary human umbilical vein endothelial cells (HUVEC) and used time-lapse videomicrosopy and quantitative image analysis to characterize cell motility phenotypes in culture. We demonstrate that the absence of Tks4 in endothelial cells leads to impaired ECM cleavage and decreased motility within a 3-dimensional ECM environment. Furthermore, absence of Tks4 also decreases the ability of HUVEC cells to form multicellular sprouts, a key requirement for angiogenesis. To establish the involvement of Tks4 in vascular development in vivo, we show that loss of Tks4 leads sparser vasculature in the fetal chorion in the Tks4-deficient ‘nee’ mouse strain.
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Affiliation(s)
- Elod Mehes
- Department of Biological Physics, Eotvos University, Budapest, Hungary
| | - Monika Barath
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Marton Gulyas
- Department of Biological Physics, Eotvos University, Budapest, Hungary
| | - Edina Bugyik
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Miklos Geiszt
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Arpad Szoor
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Arpad Lanyi
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Andras Czirok
- Department of Biological Physics, Eotvos University, Budapest, Hungary. .,Department of Anatomy & Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA.
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37
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Abstract
Endocardial cells are specialized endothelial cells that form the innermost layer of the heart wall. By virtue of genetic lineage-tracing technology, many of the unexpected roles of endocardium during murine heart development, diseases, and regeneration have been identified recently. In addition to heart valves developed from the well-known endothelial to mesenchymal transition, recent fate-mapping studies using mouse models reveal that multiple cardiac cell lineages are also originated from the endocardium. This review focuses on a variety of different cell types that are recently reported to be endocardium derived during murine heart development, diseases, and regeneration. These multiple cell fates underpin the unprecedented roles of endocardial progenitors in function, pathological progression, and regeneration of the heart. Because emerging studies suggest that developmental mechanisms can be redeployed and recapitulated in promoting heart disease development and also cardiac repair and regeneration, understanding the mechanistic regulation of endocardial plasticity and modulation of their cell fate conversion may uncover new therapeutic potential in facilitating heart regeneration.
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Affiliation(s)
- Hui Zhang
- From the The State Key Laboratory of Cell Biology, CAS Center for Excellence on Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, China (H.Z., B.Z.); School of Life Science and Technology, ShanghaiTech University, China (H.Z., B.Z.); Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, China (K.O.L.); and Key Laboratory of Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China (B.Z.).
| | - Kathy O Lui
- From the The State Key Laboratory of Cell Biology, CAS Center for Excellence on Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, China (H.Z., B.Z.); School of Life Science and Technology, ShanghaiTech University, China (H.Z., B.Z.); Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, China (K.O.L.); and Key Laboratory of Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China (B.Z.).
| | - Bin Zhou
- From the The State Key Laboratory of Cell Biology, CAS Center for Excellence on Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, China (H.Z., B.Z.); School of Life Science and Technology, ShanghaiTech University, China (H.Z., B.Z.); Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, China (K.O.L.); and Key Laboratory of Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China (B.Z.).
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38
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Piera-Velazquez S, Jimenez SA. Endothelial to Mesenchymal Transition: Role in Physiology and in the Pathogenesis of Human Diseases. Physiol Rev 2019; 99:1281-1324. [PMID: 30864875 DOI: 10.1152/physrev.00021.2018] [Citation(s) in RCA: 301] [Impact Index Per Article: 60.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Numerous studies have demonstrated that endothelial cells are capable of undergoing endothelial to mesenchymal transition (EndMT), a newly recognized type of cellular transdifferentiation. EndMT is a complex biological process in which endothelial cells adopt a mesenchymal phenotype displaying typical mesenchymal cell morphology and functions, including the acquisition of cellular motility and contractile properties. Endothelial cells undergoing EndMT lose the expression of endothelial cell-specific proteins such as CD31/platelet-endothelial cell adhesion molecule, von Willebrand factor, and vascular-endothelial cadherin and initiate the expression of mesenchymal cell-specific genes and the production of their encoded proteins including α-smooth muscle actin, extra domain A fibronectin, N-cadherin, vimentin, fibroblast specific protein-1, also known as S100A4 protein, and fibrillar type I and type III collagens. Transforming growth factor-β1 is considered the main EndMT inducer. However, EndMT involves numerous molecular and signaling pathways that are triggered and modulated by multiple and often redundant mechanisms depending on the specific cellular context and on the physiological or pathological status of the cells. EndMT participates in highly important embryonic development processes, as well as in the pathogenesis of numerous genetically determined and acquired human diseases including malignant, vascular, inflammatory, and fibrotic disorders. Despite intensive investigation, many aspects of EndMT remain to be elucidated. The identification of molecules and regulatory pathways involved in EndMT and the discovery of specific EndMT inhibitors should provide novel therapeutic approaches for various human disorders mediated by EndMT.
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Affiliation(s)
- Sonsoles Piera-Velazquez
- Jefferson Institute of Molecular Medicine, Thomas Jefferson University , Philadelphia, Pennsylvania
| | - Sergio A Jimenez
- Jefferson Institute of Molecular Medicine, Thomas Jefferson University , Philadelphia, Pennsylvania
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39
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Männer J, Yelbuz TM. Functional Morphology of the Cardiac Jelly in the Tubular Heart of Vertebrate Embryos. J Cardiovasc Dev Dis 2019; 6:E12. [PMID: 30818886 PMCID: PMC6463132 DOI: 10.3390/jcdd6010012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/15/2019] [Accepted: 02/21/2019] [Indexed: 12/17/2022] Open
Abstract
The early embryonic heart is a multi-layered tube consisting of (1) an outer myocardial tube; (2) an inner endocardial tube; and (3) an extracellular matrix layer interposed between the myocardium and endocardium, called "cardiac jelly" (CJ). During the past decades, research on CJ has mainly focused on its molecular and cellular biological aspects. This review focuses on the morphological and biomechanical aspects of CJ. Special attention is given to (1) the spatial distribution and fiber architecture of CJ; (2) the morphological dynamics of CJ during the cardiac cycle; and (3) the removal/remodeling of CJ during advanced heart looping stages, which leads to the formation of ventricular trabeculations and endocardial cushions. CJ acts as a hydraulic skeleton, displaying striking structural and functional similarities with the mesoglea of jellyfish. CJ not only represents a filler substance, facilitating end-systolic occlusion of the embryonic heart lumen. Its elastic components antagonize the systolic deformations of the heart wall and thereby power the refilling phase of the ventricular tube. Non-uniform spatial distribution of CJ generates non-circular cross sections of the opened endocardial tube (initially elliptic, later deltoid), which seem to be advantageous for valveless pumping. Endocardial cushions/ridges are cellularized remnants of non-removed CJ.
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Affiliation(s)
- Jörg Männer
- Group Cardio-Embryology, Institute of Anatomy and Embryology UMG, Georg-August-University Goettingen, D-37075 Goettingen, Germany.
| | - Talat Mesud Yelbuz
- Department of Cardiac Sciences, King Abdulaziz Cardiac Center, Section of Pediatric Cardiology, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh 11426, Saudi Arabia.
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Markwald RR, Moreno-Rodriguez RA, Ghatak S, Misra S, Norris RA, Sugi Y. Role of Periostin in Cardiac Valve Development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1132:177-191. [PMID: 31037635 DOI: 10.1007/978-981-13-6657-4_17] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Although periostin plays a significant role in adult cardiac remodeling diseases, the focus of this review is on periostin as a valvulogenic gene. Periostin is expressed throughout valvular development, initially being expressed in endocardial endothelial cells that have been activated to transform into prevalvular mesenchyme termed "cushion tissues" that sustain expression of periostin throughout their morphogenesis into mature (compacted) valve leaflets. The phenotype of periostin null indicates that periostin is not required for endocardial transformation nor the proliferation of its mesenchymal progeny but rather promotes cellular behaviors that promote migration, survival (anti-apoptotic), differentiation into fibroblastic lineages, collagen secretion and postnatal remodeling/maturation. These morphogenetic activities are promoted or coordinated by periostin signaling through integrin receptors activating downstream kinases in cushion cells that activate hyaluronan synthetase II (Akt/PI3K), collagen synthesis (Erk/MapK) and changes in cytoskeletal organization (Pak1) which regulate postnatal remodeling of cells and associated collagenous matrix into a trilaminar (zonal) histoarchitecture. Pak1 binding to filamin A is proposed as one mechanism by which periostin supports remodeling. The failure to properly remodel cushions sets up a trajectory of degenerative (myxomatous-like) changes that over time reduce biomechanical properties and increase chances for prolapse, regurgitation or calcification of the leaflets. Included in the review are considerations of lineage diversity and the role of periostin as a determinant of mesenchymal cell fate.
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Affiliation(s)
- Roger R Markwald
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA.
| | - Ricardo A Moreno-Rodriguez
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA
| | - Sibnath Ghatak
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA
| | - Suniti Misra
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA
| | - Russell A Norris
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA
| | - Yukiko Sugi
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina CRI 609, Charleston, SC, USA
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Cespedes JC, Liu M, Harbuzariu A, Nti A, Onyekaba J, Cespedes HW, Bharti PK, Solomon W, Anyaoha P, Krishna S, Adjei A, Botchway F, Ford B, Stiles JK. Neuregulin in Health and Disease. INTERNATIONAL JOURNAL OF BRAIN DISORDERS AND TREATMENT 2018; 4:024. [PMID: 31032468 PMCID: PMC6483402 DOI: 10.23937/2469-5866/1410024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Juan Carlos Cespedes
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Mingli Liu
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Adriana Harbuzariu
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Annette Nti
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - John Onyekaba
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Hanna Watson Cespedes
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | | | - Wesley Solomon
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Precious Anyaoha
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
| | - Sri Krishna
- ICMR-National Institute for Research in Tribal Health, India
| | - Andrew Adjei
- Department of Pathology, Korle-Bu Teaching Hospital, University of Ghana Medical School, Ghana
| | - Felix Botchway
- Department of Pathology, Korle-Bu Teaching Hospital, University of Ghana Medical School, Ghana
| | - Byron Ford
- Division of Biomedical Sciences, University of California-Riverside School of Medicine, USA
| | - Jonathan K Stiles
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, USA
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Jover E, Fagnano M, Angelini G, Madeddu P. Cell Sources for Tissue Engineering Strategies to Treat Calcific Valve Disease. Front Cardiovasc Med 2018; 5:155. [PMID: 30460245 PMCID: PMC6232262 DOI: 10.3389/fcvm.2018.00155] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 10/10/2018] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular calcification is an independent risk factor and an established predictor of adverse cardiovascular events. Despite concomitant factors leading to atherosclerosis and heart valve disease (VHD), the latter has been identified as an independent pathological entity. Calcific aortic valve stenosis is the most common form of VDH resulting of either congenital malformations or senile “degeneration.” About 2% of the population over 65 years is affected by aortic valve stenosis which represents a major cause of morbidity and mortality in the elderly. A multifactorial, complex and active heterotopic bone-like formation process, including extracellular matrix remodeling, osteogenesis and angiogenesis, drives heart valve “degeneration” and calcification, finally causing left ventricle outflow obstruction. Surgical heart valve replacement is the current therapeutic option for those patients diagnosed with severe VHD representing more than 20% of all cardiac surgeries nowadays. Tissue Engineering of Heart Valves (TEHV) is emerging as a valuable alternative for definitive treatment of VHD and promises to overcome either the chronic oral anticoagulation or the time-dependent deterioration and reintervention of current mechanical or biological prosthesis, respectively. Among the plethora of approaches and stablished techniques for TEHV, utilization of different cell sources may confer of additional properties, desirable and not, which need to be considered before moving from the bench to the bedside. This review aims to provide a critical appraisal of current knowledge about calcific VHD and to discuss the pros and cons of the main cell sources tested in studies addressing in vitro TEHV.
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Affiliation(s)
- Eva Jover
- Bristol Medical School (Translational Health Sciences), Bristol Heart Institute, University of Bristol, Bristol, United Kingdom
| | - Marco Fagnano
- Bristol Medical School (Translational Health Sciences), Bristol Heart Institute, University of Bristol, Bristol, United Kingdom
| | - Gianni Angelini
- Bristol Medical School (Translational Health Sciences), Bristol Heart Institute, University of Bristol, Bristol, United Kingdom
| | - Paolo Madeddu
- Bristol Medical School (Translational Health Sciences), Bristol Heart Institute, University of Bristol, Bristol, United Kingdom
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Menon V, Lincoln J. The Genetic Regulation of Aortic Valve Development and Calcific Disease. Front Cardiovasc Med 2018; 5:162. [PMID: 30460247 PMCID: PMC6232166 DOI: 10.3389/fcvm.2018.00162] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 10/19/2018] [Indexed: 12/19/2022] Open
Abstract
Heart valves are dynamic, highly organized structures required for unidirectional blood flow through the heart. Over an average lifetime, the valve leaflets or cusps open and close over a billion times, however in over 5 million Americans, leaflet function fails due to biomechanical insufficiency in response to wear-and-tear or pathological stimulus. Calcific aortic valve disease (CAVD) is the most common valve pathology and leads to stiffening of the cusp and narrowing of the aortic orifice leading to stenosis and insufficiency. At the cellular level, CAVD is characterized by valve endothelial cell dysfunction and osteoblast-like differentiation of valve interstitial cells. These processes are associated with dysregulation of several molecular pathways important for valve development including Notch, Sox9, Tgfβ, Bmp, Wnt, as well as additional epigenetic regulators. In this review, we discuss the multifactorial mechanisms that contribute to CAVD pathogenesis and the potential of targeting these for the development of novel, alternative therapeutics beyond surgical intervention.
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Affiliation(s)
- Vinal Menon
- Center for Cardiovascular Research, The Research Institute at Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States
| | - Joy Lincoln
- Center for Cardiovascular Research, The Research Institute at Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, Ohio State University, Columbus, OH, United States
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Sayed A, Valente M, Sassoon D. Does cardiac development provide heart research with novel therapeutic approaches? F1000Res 2018; 7. [PMID: 30450195 PMCID: PMC6221076 DOI: 10.12688/f1000research.15609.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/24/2018] [Indexed: 01/04/2023] Open
Abstract
Embryonic heart progenitors arise at specific spatiotemporal periods that contribute to the formation of distinct cardiac structures. In mammals, the embryonic and fetal heart is hypoxic by comparison to the adult heart. In parallel, the cellular metabolism of the cardiac tissue, including progenitors, undergoes a glycolytic to oxidative switch that contributes to cardiac maturation. While oxidative metabolism is energy efficient, the glycolytic-hypoxic state may serve to maintain cardiac progenitor potential. Consistent with this proposal, the adult epicardium has been shown to contain a reservoir of quiescent cardiac progenitors that are activated in response to heart injury and are hypoxic by comparison to adjacent cardiac tissues. In this review, we discuss the development and potential of the adult epicardium and how this knowledge may provide future therapeutic approaches for cardiac repair.
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Affiliation(s)
- Angeliqua Sayed
- Cellular, Molecular, and Physiological Mechanisms of Heart Failure, Paris-Cardiovascular Research Center (PARCC), European Georges Pompidou Hospital (HEGP), INSERM U970, F-75737 Paris Cedex 15, Paris, France
| | - Mariana Valente
- Cellular, Molecular, and Physiological Mechanisms of Heart Failure, Paris-Cardiovascular Research Center (PARCC), European Georges Pompidou Hospital (HEGP), INSERM U970, F-75737 Paris Cedex 15, Paris, France
| | - David Sassoon
- Cellular, Molecular, and Physiological Mechanisms of Heart Failure, Paris-Cardiovascular Research Center (PARCC), European Georges Pompidou Hospital (HEGP), INSERM U970, F-75737 Paris Cedex 15, Paris, France
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Geng X, Cha B, Mahamud MR, Srinivasan RS. Intraluminal valves: development, function and disease. Dis Model Mech 2018; 10:1273-1287. [PMID: 29125824 PMCID: PMC5719258 DOI: 10.1242/dmm.030825] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The circulatory system consists of the heart, blood vessels and lymphatic vessels, which function in parallel to provide nutrients and remove waste from the body. Vascular function depends on valves, which regulate unidirectional fluid flow against gravitational and pressure gradients. Severe valve disorders can cause mortality and some are associated with severe morbidity. Although cardiac valve defects can be treated by valve replacement surgery, no treatment is currently available for valve disorders of the veins and lymphatics. Thus, a better understanding of valves, their development and the progression of valve disease is warranted. In the past decade, molecules that are important for vascular function in humans have been identified, with mouse studies also providing new insights into valve formation and function. Intriguing similarities have recently emerged between the different types of valves concerning their molecular identity, architecture and development. Shear stress generated by fluid flow has also been shown to regulate endothelial cell identity in valves. Here, we review our current understanding of valve development with an emphasis on its mechanobiology and significance to human health, and highlight unanswered questions and translational opportunities.
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Affiliation(s)
- Xin Geng
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Boksik Cha
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Md Riaj Mahamud
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - R Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA .,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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Kheradvar A, Zareian R, Kawauchi S, Goodwin RL, Rugonyi S. Animal Models for Heart Valve Research and Development. ACTA ACUST UNITED AC 2018; 24:55-62. [PMID: 30631375 DOI: 10.1016/j.ddmod.2018.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Valvular heart disease is the third-most common cause of heart problems in the United States. Malfunction of the valves can be acquired or congenital and each may lead either to stenosis or regurgitation, or even both in some cases. Heart valve disease is a progressive disease, which is irreversible and may be fatal if left untreated. Pharmacological agents cannot currently prevent valvular calcification or help repair damaged valves, as valve tissue is unable to regenerate spontaneously. Thus, heart valve replacement/repair is the only current available treatment. Heart valve research and development is currently focused on two parallel paths; first, research that aims to understand the underlying mechanisms for heart valve disease to emerge with an ultimate goal to devise medical treatment; and second, efforts to develop repair and replacement options for a diseased valve. Studies that focus on developmental malformation, genetic and disease epigenetics usually employ small animal models that are easy to access for in vivo imaging that minimally disturbs their environment during early stages of development. Alternatively, studies that aim to develop novel device for replacement and repair of diseased valves often employ large animals whose heart size and anatomy closely replicate human's. This paper aims to briefly review the current state-of-the-art animal models, and justification to use an animal model for a particular heart valve related project.
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Affiliation(s)
- Qianchuang Sun
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, China.,Department of Genetics, The University of Alabama at Birmingham, AL
| | - Shuyan Liu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China.,Department of Genetics, The University of Alabama at Birmingham, AL
| | - Kexiang Liu
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Kai Jiao
- Department of Genetics, The University of Alabama at Birmingham, AL
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48
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Implanted In-Body Tissue-Engineered Heart Valve Can Adapt the Histological Structure to the Environment. ASAIO J 2018. [DOI: 10.1097/mat.0000000000000769] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Abstract
PURPOSE OF REVIEW This review aims to highlight the past and more current literature related to the multifaceted pathogenic programs that contribute to calcific aortic valve disease (CAVD) with a focus on the contribution of developmental programs. RECENT FINDINGS Calcification of the aortic valve is an active process characterized by calcific nodule formation on the aortic surface leading to a less supple and more stiffened cusp, thereby limiting movement and causing clinical stenosis. The mechanisms underlying these pathogenic changes are largely unknown, but emerging studies have suggested that signaling pathways common to valvulogenesis and bone development play significant roles and include Transforming Growth Factor-β (TGF-β), bone morphogenetic protein (BMP), Wnt, Notch, and Sox9. This comprehensive review of the literature highlights the complex nature of CAVD but concurrently identifies key regulators that can be targeted in the development of mechanistic-based therapies beyond surgical intervention to improve patient outcome.
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50
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Peng Y, Song L, Li D, Kesterson R, Wang J, Wang L, Rokosh G, Wu B, Wang Q, Jiao K. Sema6D acts downstream of bone morphogenetic protein signalling to promote atrioventricular cushion development in mice. Cardiovasc Res 2018; 112:532-542. [PMID: 28172500 DOI: 10.1093/cvr/cvw200] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 08/10/2016] [Accepted: 08/18/2016] [Indexed: 12/11/2022] Open
Affiliation(s)
- Yin Peng
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Lanying Song
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Ding Li
- Department of Cell, Developmental and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Robert Kesterson
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Jianbo Wang
- Department of Cell, Developmental and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Lizhong Wang
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Gregg Rokosh
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Bingruo Wu
- Department of Genetics, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Qin Wang
- Department of Cell, Developmental and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Kai Jiao
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
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