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Franco D, Sánchez-Fernández C, García-Padilla C, Lozano-Velasco E. Exploring the role non-coding RNAs during myocardial cell fate. Biochem Soc Trans 2024; 52:1339-1348. [PMID: 38775188 DOI: 10.1042/bst20231216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 06/27/2024]
Abstract
Myocardial cell fate specification takes place during the early stages of heart development as the precardiac mesoderm is configured into two symmetrical sets of bilateral precursor cells. Molecular cues of the surrounding tissues specify and subsequently determine the early cardiomyocytes, that finally matured as the heart is completed at early postnatal stages. Over the last decade, we have greatly enhanced our understanding of the transcriptional regulation of cardiac development and thus of myocardial cell fate. The recent discovery of a novel layer of gene regulation by non-coding RNAs has flourished their implication in epigenetic, transcriptional and post-transcriptional regulation of cardiac development. In this review, we revised the current state-of-the-art knowledge on the functional role of non-coding RNAs during myocardial cell fate.
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Affiliation(s)
- Diego Franco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Cristina Sánchez-Fernández
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Carlos García-Padilla
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Estefania Lozano-Velasco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
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2
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Chang Y, Francois M, Bagnall RD. Transcription Factors Leave Their Mark on the Heart. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2024; 17:e004598. [PMID: 38497209 DOI: 10.1161/circgen.124.004598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Affiliation(s)
- Yuchen Chang
- Bioinformatics and Molecular Genetics at Centenary Institute, The University of Sydney, Sydney, NSW, Australia (Y.C., R.D.B.)
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia (Y.C., R.D.B.)
| | - Mathias Francois
- Rare Disease and Gene Therapy Division, The Centenary Institute, School of Biomedical Sciences, The University of Sydney, NSW, Australia (M.F.)
| | - Richard D Bagnall
- Bioinformatics and Molecular Genetics at Centenary Institute, The University of Sydney, Sydney, NSW, Australia (Y.C., R.D.B.)
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia (Y.C., R.D.B.)
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3
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Langenbacher AD, Lu F, Tsang L, Huang ZYS, Keer B, Tian Z, Eide A, Pellegrini M, Nakano H, Nakano A, Chen JN. Rtf1-dependent transcriptional pausing regulates cardiogenesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.13.562296. [PMID: 37873297 PMCID: PMC10592831 DOI: 10.1101/2023.10.13.562296] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
During heart development, a well-characterized network of transcription factors initiates cardiac gene expression and defines the precise timing and location of cardiac progenitor specification. However, our understanding of the post-initiation transcriptional events that regulate cardiac gene expression is still incomplete. The PAF1C component Rtf1 is a transcription regulatory protein that modulates pausing and elongation of RNA Pol II, as well as cotranscriptional histone modifications. Here we report that Rtf1 is essential for cardiogenesis in fish and mammals, and that in the absence of Rtf1 activity, cardiac progenitors arrest in an immature state. We found that Rtf1's Plus3 domain, which confers interaction with the transcriptional pausing and elongation regulator Spt5, was necessary for cardiac progenitor formation. ChIP-seq analysis further revealed changes in the occupancy of RNA Pol II around the transcription start site (TSS) of cardiac genes in rtf1 morphants reflecting a reduction in transcriptional pausing. Intriguingly, inhibition of pause release in rtf1 morphants and mutants restored the formation of cardiac cells and improved Pol II occupancy at the TSS of key cardiac genes. Our findings highlight the crucial role that transcriptional pausing plays in promoting normal gene expression levels in a cardiac developmental context.
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Affiliation(s)
- Adam D. Langenbacher
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Fei Lu
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Luna Tsang
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Zi Yi Stephanie Huang
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Benjamin Keer
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Zhiyu Tian
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Alette Eide
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Matteo Pellegrini
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Haruko Nakano
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Atsushi Nakano
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Jau-Nian Chen
- Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California, United States of America
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4
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Hayal TB, Doğan A, Şenkal S, Bulut E, Şişli HB, Şahin F. Evaluation of the effect of boron derivatives on cardiac differentiation of mouse pluripotent stem cells. J Trace Elem Med Biol 2023; 79:127258. [PMID: 37451093 DOI: 10.1016/j.jtemb.2023.127258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 06/06/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND The heart is one of the first organs to form during embryonic development and has a very important place. So much that the formation of a functional heart is completed on the 55th day of human development and the 15th day of mouse development. Myocardial, endocardial and epicardial cells, which are derived from the mesoderm layer, are the cells that form the basis of the heart. Cardiac development, like other embryonic developments, is tightly controlled and regulated by various signaling pathways. The WNT signaling pathway is the most studied of these signaling pathways and the one with the clearest relationship with heart development. It is known that boron compounds and the Wnt/β-catenin pathway are highly correlated. Therefore, this study aimed to investigate the role of boron compounds in heart development as well as its effect on pluripotency of mouse embryonic stem cells for the first time in the literature. METHODS Toxicity of boron compounds was evaluated by using MTS analysis and obtained results were supported by morphological pictures, Trypan Blue staining and Annexin V staining. Additionally, the possible boron-related change in pluripotency of embryonic stem cells were analyzed with alkaline phosphatase activity and immunocytochemical staining of Oct4 protein as well as gene expression levels of pluripotency related OCT4, SOX2 and KLF4 genes. The alterations in the embryonic body formation capacity of mouse embryonic stem cells due to the application boron derivatives were also evaluated. Three linage differentiation was conducted to clarify the real impact of boron compounds on embryonic development. Lastly, cardiac differentiation of mESCs was investigated by using morphological pictures, cytosolic calcium measurement, gene expression and immunocytochemical analysis of cardiac differentiation related genes and in the presence of boron compounds. RESULTS Obtained results show that boron treatment maintains the pluripotency of embryonic stem cells at non-toxic concentrations. Additionally, endodermal, and mesodermal fate was found to be triggered after boron treatment. Also, initiation of cardiomyocyte differentiation by boron derivative treatments caused an increased gene expression levels of cardiac differentiation related TNNT2, Nkx2.5 and ISL-1 gene expression levels. CONCLUSION This study indicates that boron application, which is responsible for maintaining pluripotency of mESCs, can be used for increased cardiomyocyte differentiation of mESCs.
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Affiliation(s)
- Taha Bartu Hayal
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey; Current affiliation: Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, United States.
| | - Ayşegül Doğan
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Selinay Şenkal
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Ezgi Bulut
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Hatice Burcu Şişli
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Fikrettin Şahin
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
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5
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Siatra P, Vatsellas G, Chatzianastasiou A, Balafas E, Manolakou T, Papapetropoulos A, Agapaki A, Mouchtouri ET, Ruchaya PJ, Korovesi AG, Mavroidis M, Thanos D, Beis D, Kokkinopoulos I. Return of the Tbx5; lineage-tracing reveals ventricular cardiomyocyte-like precursors in the injured adult mammalian heart. NPJ Regen Med 2023; 8:13. [PMID: 36869039 PMCID: PMC9984483 DOI: 10.1038/s41536-023-00280-9] [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: 03/03/2022] [Accepted: 01/25/2023] [Indexed: 03/05/2023] Open
Abstract
The single curative measure for heart failure patients is a heart transplantation, which is limited due to a shortage of donors, the need for immunosuppression and economic costs. Therefore, there is an urgent unmet need for identifying cell populations capable of cardiac regeneration that we will be able to trace and monitor. Injury to the adult mammalian cardiac muscle, often leads to a heart attack through the irreversible loss of a large number of cardiomyocytes, due to an idle regenerative capability. Recent reports in zebrafish indicate that Tbx5a is a vital transcription factor for cardiomyocyte regeneration. Preclinical data underscore the cardioprotective role of Tbx5 upon heart failure. Data from our earlier murine developmental studies have identified a prominent unipotent Tbx5-expressing embryonic cardiac precursor cell population able to form cardiomyocytes, in vivo, in vitro and ex vivo. Using a developmental approach to an adult heart injury model and by employing a lineage-tracing mouse model as well as the use of single-cell RNA-seq technology, we identify a Tbx5-expressing ventricular cardiomyocyte-like precursor population, in the injured adult mammalian heart. The transcriptional profile of that precursor cell population is closer to that of neonatal than embryonic cardiomyocyte precursors. Tbx5, a cardinal cardiac development transcription factor, lies in the center of a ventricular adult precursor cell population, which seems to be affected by neurohormonal spatiotemporal cues. The identification of a Tbx5-specific cardiomyocyte precursor-like cell population, which is capable of dedifferentiating and potentially deploying a cardiomyocyte regenerative program, provides a clear target cell population for translationally-relevant heart interventional studies.
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Affiliation(s)
- Panagiota Siatra
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Giannis Vatsellas
- Center for Basic Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
- Greek Genome Center, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Athanasia Chatzianastasiou
- Department of Pharmacy, Laboratory of Pharmacology, National and Kapodistrian University of Athens, Athens, Greece
| | - Evangelos Balafas
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Theodora Manolakou
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Andreas Papapetropoulos
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
- Department of Pharmacy, Laboratory of Pharmacology, National and Kapodistrian University of Athens, Athens, Greece
| | - Anna Agapaki
- Histochemistry Facility, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | | | - Prashant J Ruchaya
- School of Health, Sport and Biosciences, University of East London, London, UK
| | - Artemis G Korovesi
- Center for Basic Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
- Greek Genome Center, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Manolis Mavroidis
- Center for Basic Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Dimitrios Thanos
- Center for Basic Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
- Greek Genome Center, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Dimitris Beis
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Ioannis Kokkinopoulos
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece.
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6
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Epigenetic Evaluation of the TBX20 Gene and Environmental Risk Factors in Mexican Paediatric Patients with Congenital Septal Defects. Cells 2023; 12:cells12040586. [PMID: 36831251 PMCID: PMC9953838 DOI: 10.3390/cells12040586] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/25/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
The TBX20 gene has a key role during cardiogenesis, and it has been related to epigenetic mechanisms in congenital heart disease (CHD). The purpose of this study was to assess the association between DNA methylation status and congenital septal defects. The DNA methylation of seven CpG sites in the TBX20 gene promoter was analyzed through pyrosequencing as a quantitative method in 48 patients with congenital septal defects and 104 individuals with patent ductus arteriosus (PDA). The average methylation was higher in patients than in PDA (p < 0.001). High methylation levels were associated with a higher risk of congenital septal defects (OR = 4.59, 95% CI = 1.57-13.44, p = 0.005). The ROC curve analysis indicated that methylation of the TBX20 gene could be considered a risk marker for congenital septal defects (AUC = 0.682; 95% CI = 0.58-0.77; p < 0.001). The analysis of environmental risk factors in patients with septal defects and PDA showed an association between the consumption of vitamins (OR = 0.10; 95% CI = 0.01-0.98; p = 0.048) and maternal infections (OR = 3.10; 95% CI = 1.26-7.60; p = 0.013). These results suggest that differences in DNA methylation of the TBX20 gene can be associated with septal defects.
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7
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Ebrahimi N, Osanlouy M, Bradley CP, Kubke MF, Gerneke DA, Hunter PJ. A method for investigating spatiotemporal growth patterns at cell and tissue levels during C-looping in the embryonic chick heart. iScience 2022; 25:104600. [PMID: 35800755 PMCID: PMC9253367 DOI: 10.1016/j.isci.2022.104600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 01/15/2022] [Accepted: 06/08/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Nazanin Ebrahimi
- University of Auckland, Auckland Bioengineering Institute, Auckland 1010, New Zealand
- Corresponding author
| | - Mahyar Osanlouy
- University of Auckland, Auckland Bioengineering Institute, Auckland 1010, New Zealand
| | - Chris P. Bradley
- University of Auckland, Auckland Bioengineering Institute, Auckland 1010, New Zealand
| | - M. Fabiana Kubke
- University of Auckland, Anatomy and Medical Imaging, Auckland 1010, New Zealand
| | - Dane A. Gerneke
- University of Auckland, Auckland Bioengineering Institute, Auckland 1010, New Zealand
| | - Peter J. Hunter
- University of Auckland, Auckland Bioengineering Institute, Auckland 1010, New Zealand
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8
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Mehanna RA, Essawy MM, Barkat MA, Awaad AK, Thabet EH, Hamed HA, Elkafrawy H, Khalil NA, Sallam A, Kholief MA, Ibrahim SS, Mourad GM. Cardiac stem cells: Current knowledge and future prospects. World J Stem Cells 2022; 14:1-40. [PMID: 35126826 PMCID: PMC8788183 DOI: 10.4252/wjsc.v14.i1.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 07/02/2021] [Accepted: 01/06/2022] [Indexed: 02/06/2023] Open
Abstract
Regenerative medicine is the field concerned with the repair and restoration of the integrity of damaged human tissues as well as whole organs. Since the inception of the field several decades ago, regenerative medicine therapies, namely stem cells, have received significant attention in preclinical studies and clinical trials. Apart from their known potential for differentiation into the various body cells, stem cells enhance the organ's intrinsic regenerative capacity by altering its environment, whether by exogenous injection or introducing their products that modulate endogenous stem cell function and fate for the sake of regeneration. Recently, research in cardiology has highlighted the evidence for the existence of cardiac stem and progenitor cells (CSCs/CPCs). The global burden of cardiovascular diseases’ morbidity and mortality has demanded an in-depth understanding of the biology of CSCs/CPCs aiming at improving the outcome for an innovative therapeutic strategy. This review will discuss the nature of each of the CSCs/CPCs, their environment, their interplay with other cells, and their metabolism. In addition, important issues are tackled concerning the potency of CSCs/CPCs in relation to their secretome for mediating the ability to influence other cells. Moreover, the review will throw the light on the clinical trials and the preclinical studies using CSCs/CPCs and combined therapy for cardiac regeneration. Finally, the novel role of nanotechnology in cardiac regeneration will be explored.
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Affiliation(s)
- Radwa A Mehanna
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Marwa M Essawy
- Oral Pathology Department, Faculty of Dentistry/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Mona A Barkat
- Human Anatomy and Embryology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Ashraf K Awaad
- Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Eman H Thabet
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Heba A Hamed
- Histology and Cell Biology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Hagar Elkafrawy
- Medical Biochemistry Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Nehal A Khalil
- Medical Biochemistry Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Abeer Sallam
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Marwa A Kholief
- Forensic Medicine and Clinical toxicology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Samar S Ibrahim
- Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Ghada M Mourad
- Histology and Cell Biology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
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9
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Mehanna RA, Essawy MM, Barkat MA, Awaad AK, Thabet EH, Hamed HA, Elkafrawy H, Khalil NA, Sallam A, Kholief MA, Ibrahim SS, Mourad GM. Cardiac stem cells: Current knowledge and future prospects. World J Stem Cells 2022. [PMID: 35126826 DOI: 10.4252/wjsc.v14.i1.1]] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Regenerative medicine is the field concerned with the repair and restoration of the integrity of damaged human tissues as well as whole organs. Since the inception of the field several decades ago, regenerative medicine therapies, namely stem cells, have received significant attention in preclinical studies and clinical trials. Apart from their known potential for differentiation into the various body cells, stem cells enhance the organ's intrinsic regenerative capacity by altering its environment, whether by exogenous injection or introducing their products that modulate endogenous stem cell function and fate for the sake of regeneration. Recently, research in cardiology has highlighted the evidence for the existence of cardiac stem and progenitor cells (CSCs/CPCs). The global burden of cardiovascular diseases' morbidity and mortality has demanded an in-depth understanding of the biology of CSCs/CPCs aiming at improving the outcome for an innovative therapeutic strategy. This review will discuss the nature of each of the CSCs/CPCs, their environment, their interplay with other cells, and their metabolism. In addition, important issues are tackled concerning the potency of CSCs/CPCs in relation to their secretome for mediating the ability to influence other cells. Moreover, the review will throw the light on the clinical trials and the preclinical studies using CSCs/CPCs and combined therapy for cardiac regeneration. Finally, the novel role of nanotechnology in cardiac regeneration will be explored.
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Affiliation(s)
- Radwa A Mehanna
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Marwa M Essawy
- Oral Pathology Department, Faculty of Dentistry/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Mona A Barkat
- Human Anatomy and Embryology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Ashraf K Awaad
- Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Eman H Thabet
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Heba A Hamed
- Histology and Cell Biology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Hagar Elkafrawy
- Medical Biochemistry Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Nehal A Khalil
- Medical Biochemistry Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Abeer Sallam
- Medical Physiology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Marwa A Kholief
- Forensic Medicine and Clinical toxicology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Samar S Ibrahim
- Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt
| | - Ghada M Mourad
- Histology and Cell Biology Department/Center of Excellence for Research in Regenerative Medicine and Applications, Faculty of Medicine, Alexandria University, Alexandria 21500, Egypt.
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10
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Ebrahimi N, Bradley C, Hunter P. An integrative multiscale view of early cardiac looping. WIREs Mech Dis 2022; 14:e1535. [PMID: 35023324 DOI: 10.1002/wsbm.1535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 11/12/2022]
Abstract
The heart is the first organ to form and function during the development of an embryo. Heart development consists of a series of events believed to be highly conserved in vertebrates. Development of heart begins with the formation of the cardiac fields followed by a linear heart tube formation. The straight heart tube then undergoes a ventral bending prior to further bending and helical torsion to form a looped heart. The looping phase is then followed by ballooning, septation, and valve formation giving rise to a four-chambered heart in avians and mammals. The looping phase plays a central role in heart development. Successful looping is essential for proper alignment of the future cardiac chambers and tracts. As aberrant looping results in various congenital heart diseases, the mechanisms of cardiac looping have been studied for several decades by various disciplines. Many groups have studied anatomy, biology, genetics, and mechanical processes during heart looping, and have proposed multiple mechanisms. Computational modeling approaches have been utilized to examine the proposed mechanisms of the looping process. Still, the exact underlying mechanism(s) controlling the looping phase remain poorly understood. Although further experimental measurements are obviously still required, the need for more integrative computational modeling approaches is also apparent in order to make sense of the vast amount of experimental data and the complexity of multiscale developmental systems. Indeed, there needs to be an iterative interaction between experimentation and modeling in order to properly find the gap in the existing data and to validate proposed hypotheses. This article is categorized under: Cardiovascular Diseases > Genetics/Genomics/Epigenetics Cardiovascular Diseases > Computational Models Cardiovascular Diseases > Molecular and Cellular Physiology.
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Affiliation(s)
- Nazanin Ebrahimi
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Christopher Bradley
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Peter Hunter
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
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11
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Congenital heart disease: pathology, natural history, and interventions. Cardiovasc Pathol 2022. [DOI: 10.1016/b978-0-12-822224-9.00011-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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12
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Shewale B, Dubois N. Of form and function: Early cardiac morphogenesis across classical and emerging model systems. Semin Cell Dev Biol 2021; 118:107-118. [PMID: 33994301 PMCID: PMC8434962 DOI: 10.1016/j.semcdb.2021.04.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 12/31/2022]
Abstract
The heart is the earliest organ to develop during embryogenesis and is remarkable in its ability to function efficiently as it is being sculpted. Cardiac heart defects account for a high burden of childhood developmental disorders with many remaining poorly understood mechanistically. Decades of work across a multitude of model organisms has informed our understanding of early cardiac differentiation and morphogenesis and has simultaneously opened new and unanswered questions. Here we have synthesized current knowledge in the field and reviewed recent developments in the realm of imaging, bioengineering and genetic technology and ex vivo cardiac modeling that may be deployed to generate more holistic models of early cardiac morphogenesis, and by extension, new platforms to study congenital heart defects.
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Affiliation(s)
- Bhavana Shewale
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Nicole Dubois
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
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13
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The zebrafish grime mutant uncovers an evolutionarily conserved role for Tmem161b in the control of cardiac rhythm. Proc Natl Acad Sci U S A 2021; 118:2018220118. [PMID: 33597309 DOI: 10.1073/pnas.2018220118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The establishment of cardiac function in the developing embryo is essential to ensure blood flow and, therefore, growth and survival of the animal. The molecular mechanisms controlling normal cardiac rhythm remain to be fully elucidated. From a forward genetic screen, we identified a unique mutant, grime, that displayed a specific cardiac arrhythmia phenotype. We show that loss-of-function mutations in tmem161b are responsible for the phenotype, identifying Tmem161b as a regulator of cardiac rhythm in zebrafish. To examine the evolutionary conservation of this function, we generated knockout mice for Tmem161b. Tmem161b knockout mice are neonatal lethal and cardiomyocytes exhibit arrhythmic calcium oscillations. Mechanistically, we find that Tmem161b is expressed at the cell membrane of excitable cells and live imaging shows it is required for action potential repolarization in the developing heart. Electrophysiology on isolated cardiomyocytes demonstrates that Tmem161b is essential to inhibit Ca2+ and K+ currents in cardiomyocytes. Importantly, Tmem161b haploinsufficiency leads to cardiac rhythm phenotypes, implicating it as a candidate gene in heritable cardiac arrhythmia. Overall, these data describe Tmem161b as a highly conserved regulator of cardiac rhythm that functions to modulate ion channel activity in zebrafish and mice.
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14
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Fernando F, Veenboer GJ, Oudijk MA, Kampman MA, Heida KY, Lagendijk LJ, van der Post JA, Jongejan A, Afink GB, Ris-Stalpers C. TBX2, a Novel Regulator of Labour. ACTA ACUST UNITED AC 2021; 57:medicina57060515. [PMID: 34064060 PMCID: PMC8224059 DOI: 10.3390/medicina57060515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/11/2021] [Accepted: 05/17/2021] [Indexed: 11/16/2022]
Abstract
Background and Objectives: Therapeutic interventions targeting molecular factors involved in the transition from uterine quiescence to overt labour are not substantially reducing the rate of spontaneous preterm labour. The identification of novel rational therapeutic targets are essential to prevent the most common cause of neonatal mortality. Based on our previous work showing that Tbx2 (T-Box transcription factor 2) is a putative upstream regulator preceding progesterone withdrawal in mouse myometrium, we now investigate the role of TBX2 in human myometrium. Materials and Methods: RNA microarray analysis of (A) preterm human myometrium samples and (B) myometrial cells overexpressing TBX2 in vitro, combined with subsequent analysis of the two publicly available datasets of (C) Chan et al. and (D) Sharp et al. The effect of TBX2 overexpression on cytokines/chemokines secreted to the myometrium cell culture medium were determined by Luminex assay. Results: Analysis shows that overexpression of TBX2 in myometrial cells results in downregulation of TNFα- and interferon signalling. This downregulation is consistent with the decreased expression of cytokines and chemokines of which a subset has been previously associated with the inflammatory pathways relevant for human labour. In contrast, CXCL5 (C-X-C motif chemokine ligand 5), CCL21 and IL-6 (Interleukin 6), previously reported in relation to parturition, do not seem to be under TBX2 control. The combined bioinformatical analysis of the four mRNA datasets identifies a subset of upstream regulators common to both preterm and term labour under control of TBX2. Surprisingly, TBX2 mRNA levels are increased in preterm contractile myometrium. Conclusions: We identified a subset of upstream regulators common to both preterm and term labour that are activated in labour and repressed by TBX2. The increased TBX2 mRNA expression in myometrium collected during a preterm caesarean section while in spontaneous preterm labour compared to tissue harvested during iatrogenic preterm delivery does not fit the bioinformatical model. We can only explain this by speculating that the in vivo activity of TBX2 in human myometrium depends not only on the TBX2 expression levels but also on levels of the accessory proteins necessary for TBX2 activity.
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Affiliation(s)
- Febilla Fernando
- Reproductive Biology Laboratory, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (F.F.); (G.J.M.V.); (L.J.M.L.); (G.B.A.)
| | - Geertruda J.M. Veenboer
- Reproductive Biology Laboratory, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (F.F.); (G.J.M.V.); (L.J.M.L.); (G.B.A.)
| | - Martijn A. Oudijk
- Department of Obstetrics and Gynaecology, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (M.A.O.); (J.A.M.v.d.P.)
| | - Marlies A.M. Kampman
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands;
| | - Karst Y. Heida
- Department of Obstetrics, Division of Woman and Baby, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands;
| | - Louise J.M. Lagendijk
- Reproductive Biology Laboratory, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (F.F.); (G.J.M.V.); (L.J.M.L.); (G.B.A.)
| | - Joris A.M. van der Post
- Department of Obstetrics and Gynaecology, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (M.A.O.); (J.A.M.v.d.P.)
| | - Aldo Jongejan
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands;
| | - Gijs B. Afink
- Reproductive Biology Laboratory, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (F.F.); (G.J.M.V.); (L.J.M.L.); (G.B.A.)
| | - Carrie Ris-Stalpers
- Reproductive Biology Laboratory, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (F.F.); (G.J.M.V.); (L.J.M.L.); (G.B.A.)
- Department of Obstetrics and Gynaecology, Amsterdam Reproduction and Development, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (M.A.O.); (J.A.M.v.d.P.)
- Correspondence: ; Tel.: +312-0566-5625
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15
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Han L, Chaturvedi P, Kishimoto K, Koike H, Nasr T, Iwasawa K, Giesbrecht K, Witcher PC, Eicher A, Haines L, Lee Y, Shannon JM, Morimoto M, Wells JM, Takebe T, Zorn AM. Single cell transcriptomics identifies a signaling network coordinating endoderm and mesoderm diversification during foregut organogenesis. Nat Commun 2020; 11:4158. [PMID: 32855417 PMCID: PMC7453027 DOI: 10.1038/s41467-020-17968-x] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 07/24/2020] [Indexed: 12/12/2022] Open
Abstract
Visceral organs, such as the lungs, stomach and liver, are derived from the fetal foregut through a series of inductive interactions between the definitive endoderm (DE) and the surrounding splanchnic mesoderm (SM). While DE patterning is fairly well studied, the paracrine signaling controlling SM regionalization and how this is coordinated with epithelial identity is obscure. Here, we use single cell transcriptomics to generate a high-resolution cell state map of the embryonic mouse foregut. This identifies a diversity of SM cell types that develop in close register with the organ-specific epithelium. We infer a spatiotemporal signaling network of endoderm-mesoderm interactions that orchestrate foregut organogenesis. We validate key predictions with mouse genetics, showing the importance of endoderm-derived signals in mesoderm patterning. Finally, leveraging these signaling interactions, we generate different SM subtypes from human pluripotent stem cells (hPSCs), which previously have been elusive. The single cell data can be explored at: https://research.cchmc.org/ZornLab-singlecell. The fetal murine foregut develops into visceral organs via interactions between the mesoderm and endoderm, but how is unclear. Here, the authors use single cell RNAseq to show a diversity in organ specific splanchnic mesoderm cell-types, infer a signalling network governing organogenesis and use this to differentiate human pluripotent stem cells.
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Affiliation(s)
- Lu Han
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Praneet Chaturvedi
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Keishi Kishimoto
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA.,Laboratory for Lung Development, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, 650-0047, Japan.,CuSTOM-RIKEN BDR Collaborative Laboratory, Cincinnati Children's Hospital, Cincinnati, OH, USA
| | - Hiroyuki Koike
- CuSTOM, Division of Gastroenterology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Talia Nasr
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Kentaro Iwasawa
- CuSTOM, Division of Gastroenterology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Kirsten Giesbrecht
- CuSTOM, Division of Gastroenterology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Phillip C Witcher
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Alexandra Eicher
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Lauren Haines
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Yarim Lee
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - John M Shannon
- Division of Pulmonary Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Mitsuru Morimoto
- Laboratory for Lung Development, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, 650-0047, Japan.,CuSTOM-RIKEN BDR Collaborative Laboratory, Cincinnati Children's Hospital, Cincinnati, OH, USA
| | - James M Wells
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Takanori Takebe
- CuSTOM, Division of Gastroenterology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA
| | - Aaron M Zorn
- Center for Stem Cell and Organoid Medicine (CuSTOM), Perinatal Institute, Division of Developmental Biology, Cincinnati Children's Hospital, Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH, 45229, USA. .,CuSTOM-RIKEN BDR Collaborative Laboratory, Cincinnati Children's Hospital, Cincinnati, OH, USA.
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16
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Gerrard DT, Berry AA, Jennings RE, Birket MJ, Zarrineh P, Garstang MG, Withey SL, Short P, Jiménez-Gancedo S, Firbas PN, Donaldson I, Sharrocks AD, Hanley KP, Hurles ME, Gomez-Skarmeta JL, Bobola N, Hanley NA. Dynamic changes in the epigenomic landscape regulate human organogenesis and link to developmental disorders. Nat Commun 2020; 11:3920. [PMID: 32764605 PMCID: PMC7413392 DOI: 10.1038/s41467-020-17305-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 06/18/2020] [Indexed: 12/20/2022] Open
Abstract
How the genome activates or silences transcriptional programmes governs organ formation. Little is known in human embryos undermining our ability to benchmark the fidelity of stem cell differentiation or cell programming, or interpret the pathogenicity of noncoding variation. Here, we study histone modifications across thirteen tissues during human organogenesis. We integrate the data with transcription to build an overview of how the human genome differentially regulates alternative organ fates including by repression. Promoters from nearly 20,000 genes partition into discrete states. Key developmental gene sets are actively repressed outside of the appropriate organ without obvious bivalency. Candidate enhancers, functional in zebrafish, allow imputation of tissue-specific and shared patterns of transcription factor binding. Overlaying more than 700 noncoding mutations from patients with developmental disorders allows correlation to unanticipated target genes. Taken together, the data provide a comprehensive genomic framework for investigating normal and abnormal human development.
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Affiliation(s)
- Dave T Gerrard
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Andrew A Berry
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Rachel E Jennings
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
- Endocrinology Department, Manchester University NHS Foundation Trust, Grafton Street, Manchester, M13 9WU, UK
| | - Matthew J Birket
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Peyman Zarrineh
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Myles G Garstang
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Sarah L Withey
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Patrick Short
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Sandra Jiménez-Gancedo
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigacionnes Cientificas/Universidad Pablo de Olavide/Junta de Analucía, Sevilla, Spain
| | - Panos N Firbas
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigacionnes Cientificas/Universidad Pablo de Olavide/Junta de Analucía, Sevilla, Spain
| | - Ian Donaldson
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Andrew D Sharrocks
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Karen Piper Hanley
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
- Wellcome Centre for Cell-Matrix Research, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | | | - José Luis Gomez-Skarmeta
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigacionnes Cientificas/Universidad Pablo de Olavide/Junta de Analucía, Sevilla, Spain
| | - Nicoletta Bobola
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Neil A Hanley
- Faculty of Biology, Medicine & Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford Road, Manchester, M13 9PT, UK.
- Endocrinology Department, Manchester University NHS Foundation Trust, Grafton Street, Manchester, M13 9WU, UK.
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17
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Niemann B, Li L, Siegler D, Siegler BH, Knapp F, Hanna J, Aslam M, Kracht M, Schulz R, Rohrbach S. CTRP9 Mediates Protective Effects in Cardiomyocytes via AMPK- and Adiponectin Receptor-Mediated Induction of Anti-Oxidant Response. Cells 2020; 9:cells9051229. [PMID: 32429302 PMCID: PMC7291146 DOI: 10.3390/cells9051229] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/10/2020] [Accepted: 05/12/2020] [Indexed: 12/13/2022] Open
Abstract
The C1q/tumor necrosis factor-alpha-related protein 9 (CTRP9) has been reported to exert cardioprotective effects, but its role in the right ventricle (RV) remains unclear. To investigate the role of CTRP9 in RV hypertrophy and failure, we performed pulmonary artery banding in weanling rats to induce compensatory RV hypertrophy seven weeks after surgery and RV failure 22 weeks after surgery. CTRP9 expression, signal transduction and mechanisms involved in protective CTRP9 effects were analyzed in rat and human RV tissue and cardiac cells. We demonstrate that CTRP9 was induced during compensatory RV hypertrophy but almost lost at the stage of RV failure. RV but not left ventricular (LV) cardiomyocytes or RV endothelial cells demonstrated increased intracellular reactive oxygen species (ROS) and apoptosis activation at this stage. Exogenous CTRP9 induced AMP-activated protein kinase (AMPK)-dependent transcriptional activation of the anti-oxidant thioredoxin-1 (Trx1) and superoxide dismutase-2 (SOD2) and reduced phenylephrine-induced ROS. Combined knockdown of adiponectin receptor-1 (AdipoR1) and AdipoR2 or knockdown of calreticulin attenuated CTRP9-mediated anti-oxidant effects. Immunoprecipitation showed an interaction of AdipoR1 with AdipoR2 and the co-receptor T-cadherin, but no direct interaction with calreticulin. Thus, CTRP9 mediates cardioprotective effects through inhibition of ROS production induced by pro-hypertrophic agents via AMPK-mediated activation of anti-oxidant enzymes.
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Affiliation(s)
- Bernd Niemann
- Department of Cardiac and Vascular Surgery, Justus Liebig University Giessen, 35392 Giessen, Germany;
| | - Ling Li
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Dorothee Siegler
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Benedikt H. Siegler
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Fabienne Knapp
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Jakob Hanna
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Muhammad Aslam
- Department of Cardiology and Angiology, Justus Liebig University Giessen, 35392 Giessen, Germany;
| | - Michael Kracht
- Rudolf Buchheim Institute of Pharmacology, Justus Liebig University Giessen, 35392 Giessen, Germany;
| | - Rainer Schulz
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
| | - Susanne Rohrbach
- Institute of Physiology, Justus Liebig University Giessen, 35392 Giessen, Germany; (L.L.); (D.S.); (B.H.S.); (F.K.); (J.H.); (R.S.)
- Correspondence: ; Tel.: +49-641-99-47268
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18
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Nakao S, Ihara D, Hasegawa K, Kawamura T. Applications for Induced Pluripotent Stem Cells in Disease Modelling and Drug Development for Heart Diseases. Eur Cardiol 2020; 15:1-10. [PMID: 32180835 PMCID: PMC7066852 DOI: 10.15420/ecr.2019.03] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 08/09/2019] [Indexed: 12/22/2022] Open
Abstract
Induced pluripotent stem cells (iPSCs) are derived from reprogrammed somatic cells by the introduction of defined transcription factors. They are characterised by a capacity for self-renewal and pluripotency. Human (h)iPSCs are expected to be used extensively for disease modelling, drug screening and regenerative medicine. Obtaining cardiac tissue from patients with mutations for genetic studies and functional analyses is a highly invasive procedure. In contrast, disease-specific hiPSCs are derived from the somatic cells of patients with specific genetic mutations responsible for disease phenotypes. These disease-specific hiPSCs are a better tool for studies of the pathophysiology and cellular responses to therapeutic agents. This article focuses on the current understanding, limitations and future direction of disease-specific hiPSC-derived cardiomyocytes for further applications.
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Affiliation(s)
- Shu Nakao
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan.,Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan.,Division of Translational Research, Kyoto Medical Center, National Hospital Organization, Kyoto, Japan
| | - Dai Ihara
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan.,Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan
| | - Koji Hasegawa
- Division of Translational Research, Kyoto Medical Center, National Hospital Organization, Kyoto, Japan
| | - Teruhisa Kawamura
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan.,Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan.,Division of Translational Research, Kyoto Medical Center, National Hospital Organization, Kyoto, Japan
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19
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Learn from Your Elders: Developmental Biology Lessons to Guide Maturation of Stem Cell-Derived Cardiomyocytes. Pediatr Cardiol 2019; 40:1367-1387. [PMID: 31388700 PMCID: PMC6786957 DOI: 10.1007/s00246-019-02165-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Accepted: 07/16/2019] [Indexed: 02/07/2023]
Abstract
Human pluripotent stem cells (hPSCs) offer a multifaceted platform to study cardiac developmental biology, understand disease mechanisms, and develop novel therapies. Remarkable progress over the last two decades has led to methods to obtain highly pure hPSC-derived cardiomyocytes (hPSC-CMs) with reasonable ease and scalability. Nevertheless, a major bottleneck for the translational application of hPSC-CMs is their immature phenotype, resembling that of early fetal cardiomyocytes. Overall, bona fide maturation of hPSC-CMs represents one of the most significant goals facing the field today. Developmental biology studies have been pivotal in understanding the mechanisms to differentiate hPSC-CMs. Similarly, evaluation of developmental cues such as electrical and mechanical activities or neurohormonal and metabolic stimulations revealed the importance of these pathways in cardiomyocyte physiological maturation. Those signals cooperate and dictate the size and the performance of the developing heart. Likewise, this orchestra of stimuli is important in promoting hPSC-CM maturation, as demonstrated by current in vitro maturation approaches. Different shades of adult-like phenotype are achieved by prolonging the time in culture, electromechanical stimulation, patterned substrates, microRNA manipulation, neurohormonal or metabolic stimulation, and generation of human-engineered heart tissue (hEHT). However, mirroring this extremely dynamic environment is challenging, and reproducibility and scalability of these approaches represent the major obstacles for an efficient production of mature hPSC-CMs. For this reason, understanding the pattern behind the mechanisms elicited during the late gestational and early postnatal stages not only will provide new insights into postnatal development but also potentially offer new scalable and efficient approaches to mature hPSC-CMs.
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20
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Tan CMJ, Lewandowski AJ. The Transitional Heart: From Early Embryonic and Fetal Development to Neonatal Life. Fetal Diagn Ther 2019; 47:373-386. [PMID: 31533099 DOI: 10.1159/000501906] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/04/2019] [Indexed: 12/12/2022]
Abstract
Formation of the human heart involves complex biological signals, interactions, specification of myocardial progenitor cells, and heart tube looping. To facilitate survival in the hypoxemic intrauterine environment, the fetus possesses structural, physiological, and functional cardiovascular adaptations that are fundamentally different from the neonate. At birth, upon separation from the placental circulation, the neonatal cardiovascular system takes over responsibility of vital processes for survival. The transition from the fetal to neonatal circulation is considered to be a period of intricate physiological, anatomical, and biochemical changes in the cardiovascular system. With a successful cardiopulmonary transition to the extrauterine environment, the fetal shunts are functionally modified or eliminated, enabling independent life. Investigations using medical imaging tools such as ultrasound and magnetic resonance imaging have helped to define normal and abnormal patterns of cardiac remodeling both in utero and ex utero. This has not only allowed for a better understanding of how congenital cardiac malformations alter the hemodynamic transition to the extrauterine environment but also how other more common complications during pregnancy including intrauterine growth restriction, preeclampsia, and preterm delivery adversely affect offspring cardiac remodeling during this early transitional period. This review article describes key cardiac progenitors involved in embryonic heart development; the cellular, physiological, and anatomical changes during the transition from fetal to neonatal circulation; as well as the unique impact that different pregnancy complications have on cardiac remodeling.
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Affiliation(s)
- Cheryl Mei Jun Tan
- Oxford Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Adam James Lewandowski
- Oxford Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom,
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21
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Bowen ME, Attardi LD. The role of p53 in developmental syndromes. J Mol Cell Biol 2019; 11:200-211. [PMID: 30624728 PMCID: PMC6478128 DOI: 10.1093/jmcb/mjy087] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/22/2018] [Accepted: 01/06/2019] [Indexed: 12/17/2022] Open
Abstract
While it is well appreciated that loss of the p53 tumor suppressor protein promotes cancer, growing evidence indicates that increased p53 activity underlies the developmental defects in a wide range of genetic syndromes. The inherited or de novo mutations that cause these syndromes affect diverse cellular processes, such as ribosome biogenesis, DNA repair, and centriole duplication, and analysis of human patient samples and mouse models demonstrates that disrupting these cellular processes can activate the p53 pathway. Importantly, many of the developmental defects in mouse models of these syndromes can be rescued by loss of p53, indicating that inappropriate p53 activation directly contributes to their pathogenesis. A role for p53 in driving developmental defects is further supported by the observation that mouse strains with broad p53 hyperactivation, due to mutations affecting p53 pathway components, display a host of tissue-specific developmental defects, including hematopoietic, neuronal, craniofacial, cardiovascular, and pigmentation defects. Furthermore, germline activating mutations in TP53 were recently identified in two human patients exhibiting bone marrow failure and other developmental defects. Studies in mice suggest that p53 drives developmental defects by inducing apoptosis, restraining proliferation, or modulating other developmental programs in a cell type-dependent manner. Here, we review the growing body of evidence from mouse models that implicates p53 as a driver of tissue-specific developmental defects in diverse genetic syndromes.
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Affiliation(s)
- Margot E Bowen
- Division of Radiation and Cancer Biology in the Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
| | - Laura D Attardi
- Division of Radiation and Cancer Biology in the Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
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22
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Alonso-Montes C, Martín M, Martínez-Arias L, Coto E, Naves-Díaz M, Morís C, Cannata-Andía JB, Rodríguez I. Variants in cardiac GATA genes associated with bicuspid aortic valve. Eur J Clin Invest 2018; 48:e13027. [PMID: 30229885 DOI: 10.1111/eci.13027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/10/2018] [Accepted: 09/15/2018] [Indexed: 12/23/2022]
Abstract
BACKGROUND Bicuspid aortic valve (BAV) is a heterogeneous and still not fully understood condition, with diverse genetic aetiology and associated phenotypes ranging from aortic stenosis or regurgitation to aneurysm and dissection. Several genes have been associated with the presence of BAV, notably some members of the GATA family of transcription factors that play important roles in cardiac embryogenesis. METHODS A case-control study with 122 unrelated and ethnically matched patients with bicuspid and 154 with tricuspid aortic valve was performed. All exons of GATA4, GATA5, and GATA6 genes were sequenced searching for variants. Frequencies were compared and functional effects of rare variants were analysed by informatic prediction tools. RESULTS Four rare and potentially pathogenic variants were identified in only five sporadic cases: a missense p.Arg202Gln (rs782614097) in GATA5 and three synonymous variants, p.Cys274= (rs55980825) and p.His302= (rs201516339) in GATA4, and p.Asn458= (rs143026087) in GATA6. Minor alleles of p.His302=, p.Arg202Gln and rs3764962 are enriched in BAV patients compared to ExAC database (P = 0.01, 0.03, and 0.01 respectively). In addition, a common polymorphism in GATA5 (p.Asp203=, rs41305803) is associated with BAV showing a protective effect in carriers of the minor allele (OR [95%CI] = 0.45[0.25-0.81]; P = 0.004). CONCLUSION This study associates additional genetic variants in GATA4 and GATA5 with BAV, supporting the implication of these genes in the development of this valvulopathy. The discovery of all the genetic factors involved will contribute to a better understanding of the process and, therefore, to detect a genetic predisposition and even to the identification of therapeutic targets.
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Affiliation(s)
- Cristina Alonso-Montes
- Bone and Mineral Research Unit, REDinREN-ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - María Martín
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Cardiology Department, Hospital Universitario Central de Asturias, Oviedo, Spain.,Department of Functional Biology, Universidad de Oviedo, Oviedo, Spain
| | - Laura Martínez-Arias
- Bone and Mineral Research Unit, REDinREN-ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Eliecer Coto
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Genética Molecular-Laboratorio Medicina, Hospital Universitario Central de Asturias, Oviedo, Spain.,Department of Medicine, Universidad de Oviedo, Oviedo, Spain
| | - Manuel Naves-Díaz
- Bone and Mineral Research Unit, REDinREN-ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - César Morís
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Cardiology Department, Hospital Universitario Central de Asturias, Oviedo, Spain.,Department of Functional Biology, Universidad de Oviedo, Oviedo, Spain.,Department of Medicine, Universidad de Oviedo, Oviedo, Spain
| | - Jorge B Cannata-Andía
- Bone and Mineral Research Unit, REDinREN-ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Department of Medicine, Universidad de Oviedo, Oviedo, Spain
| | - Isabel Rodríguez
- Bone and Mineral Research Unit, REDinREN-ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
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23
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Pervolaraki E, Dachtler J, Anderson RA, Holden AV. The developmental transcriptome of the human heart. Sci Rep 2018; 8:15362. [PMID: 30337648 PMCID: PMC6194117 DOI: 10.1038/s41598-018-33837-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 10/01/2018] [Indexed: 11/09/2022] Open
Abstract
The human heart develops through complex mechanisms producing morphological and functional changes during gestation. We have recently demonstrated using diffusion tensor MRI that over the relatively short space of 40 days, between 100-140 days gestational age, the ventricular myocardium transforms from a disorganised tissue to the ordered structure characteristic of mature cardiac tissue. However, the genetic basis underpinning this maturation is unclear. Herein, we have used RNA-Seq to establish the developmentally-regulated transcriptome of gene expression in the developing human heart across three gestational ages in the first and second trimester. By comparing 9 weeks gestational age (WGA) with 12 WGA, we find 288 genes show significant differential expression. 305 genes were significantly altered comparing 12 and 16 WGA, and 806 genes differentially expressed between 9 and 16 WGA. Network analysis was used to identify genetic interactions, node properties and gene ontology categories. In summary, we present a comprehensive transcriptomic analysis of human heart development during early gestation, and identify differentially expressed genes during heart development between 9 and 16 weeks, overlapping the first and early second trimester.
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Affiliation(s)
| | - James Dachtler
- School of Biomedical Sciences, University of Leeds, Leeds, LS2 9JT, UK.,Department of Psychology, Durham University, Durham, DH1 3LE, UK
| | - Richard A Anderson
- MRC Centre for Reproductive Health, University of Edinburgh, Edinburgh, EH16 4TJ, UK
| | - Arun V Holden
- School of Biomedical Sciences, University of Leeds, Leeds, LS2 9JT, UK
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24
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Jacyniak K, Vickaryous MK. Constitutive cardiomyocyte proliferation in the leopard gecko (Eublepharis macularius
). J Morphol 2018; 279:1355-1367. [DOI: 10.1002/jmor.20850] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 05/14/2018] [Accepted: 05/19/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Kathy Jacyniak
- Department of Biomedical Sciences; Ontario Veterinary College, University of Guelph; Guelph Ontario Canada
| | - Matthew K. Vickaryous
- Department of Biomedical Sciences; Ontario Veterinary College, University of Guelph; Guelph Ontario Canada
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25
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Uribe V, Ramadass R, Dogra D, Rasouli SJ, Gunawan F, Nakajima H, Chiba A, Reischauer S, Mochizuki N, Stainier DYR. In vivo analysis of cardiomyocyte proliferation during trabeculation. Development 2018; 145:145/14/dev164194. [PMID: 30061167 DOI: 10.1242/dev.164194] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 06/16/2018] [Indexed: 12/18/2022]
Abstract
Cardiomyocyte proliferation is crucial for cardiac growth, patterning and regeneration; however, few studies have investigated the behavior of dividing cardiomyocytes in vivo Here, we use time-lapse imaging of beating hearts in combination with the FUCCI system to monitor the behavior of proliferating cardiomyocytes in developing zebrafish. Confirming in vitro observations, sarcomere disassembly, as well as changes in cell shape and volume, precede cardiomyocyte cytokinesis. Notably, cardiomyocytes in zebrafish embryos and young larvae mostly divide parallel to the myocardial wall in both the compact and trabecular layers, and cardiomyocyte proliferation is more frequent in the trabecular layer. While analyzing known regulators of cardiomyocyte proliferation, we observed that the Nrg/ErbB2 and TGFβ signaling pathways differentially affect compact and trabecular layer cardiomyocytes, indicating that distinct mechanisms drive proliferation in these two layers. In summary, our data indicate that, in zebrafish, cardiomyocyte proliferation is essential for trabecular growth, but not initiation, and set the stage to further investigate the cellular and molecular mechanisms driving cardiomyocyte proliferation in vivo.
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Affiliation(s)
- Veronica Uribe
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Radhan Ramadass
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Deepika Dogra
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - S Javad Rasouli
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Felix Gunawan
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Hiroyuki Nakajima
- Department of Cell Biology, National Cerebral and Cardiovascular Center Research Institute, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, Japan
| | - Ayano Chiba
- Department of Cell Biology, National Cerebral and Cardiovascular Center Research Institute, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, Japan
| | - Sven Reischauer
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Naoki Mochizuki
- Department of Cell Biology, National Cerebral and Cardiovascular Center Research Institute, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, Japan
| | - Didier Y R Stainier
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
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26
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Oikonomopoulos A, Kitani T, Wu JC. Pluripotent Stem Cell-Derived Cardiomyocytes as a Platform for Cell Therapy Applications: Progress and Hurdles for Clinical Translation. Mol Ther 2018; 26:1624-1634. [PMID: 29699941 PMCID: PMC6035734 DOI: 10.1016/j.ymthe.2018.02.026] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/26/2018] [Accepted: 02/26/2018] [Indexed: 12/17/2022] Open
Abstract
Cardiovascular diseases are the leading cause of morbidity and mortality worldwide. Regenerative therapy has been applied to restore lost cardiac muscle and cardiac performance. Induced pluripotent stem cells (iPSCs) can provide an unlimited source of cardiomyocytes and therefore play a key role in cardiac regeneration. Despite initial encouraging results from pre-clinical studies, progress toward clinical applications has been hampered by issues such as tumorigenesis, arrhythmogenesis, immune rejection, scalability, low graft-cell survival, and poor engraftment. Here, we review recent developments in iPSC research on regenerating injured heart tissue, including novel advances in cell therapy and potential strategies to overcome current obstacles in the field.
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Affiliation(s)
- Angelos Oikonomopoulos
- Stanford Cardiovascular Institute, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Tomoya Kitani
- Stanford Cardiovascular Institute, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
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27
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Wang Q, Fan Y, Kurita H, Jiang M, Koch S, Rao MB, Rubinstein J, Puga A. Aryl Hydrocarbon Receptor Ablation in Cardiomyocytes Protects Male Mice From Heart Dysfunction Induced by NKX2.5 Haploinsufficiency. Toxicol Sci 2018; 160:74-82. [PMID: 28973413 DOI: 10.1093/toxsci/kfx164] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Epidemiological studies in humans and research in vertebrates indicates that developmental exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a ubiquitous and biopersistent environmental toxicant, is associated with incidence of early congenital heart disease in the embryo and later in the adult. TCDD-mediated toxicity depends on the aryl hydrocarbon receptor (AHR) but the role of the TCDD-activated AHR in cardiac function is not well-defined. To characterize the mechanisms responsible for AHR-mediated disruption of heart function, we generated several mouse strains with cardiomyocyte-specific Ahr gene knockout. Here, we report results on one of these strains in which the Ahr gene was deleted by cre recombinase regulated by the promoter of the cardiomyocyte-specific Nkx2.5 gene. We crossed mice with loxP-targeted Ahrfx/fx alleles with Nkx2.5+/cre mice bearing a "knock-in" cre recombinase gene integrated into one of the Nkx2.5 alleles. In these mice, loss of one Nkx2.5 allele is associated with disrupted cardiac development. In males, Nkx2.5 hemizygosity resulted in cardiac haploinsufficiency characterized by hypertrophy, dilated cardiomyopathy, and impaired ejection fraction. Ahr ablation protected Nkx2.5+/cre haploinsufficient males from cardiac dysfunction while inducing a significant increase in body weight. These effects were absent or largely blunted in females. Starting at 3 months of age, mice were exposed by oral gavage to 1 μg/kg/week of TCDD or control vehicle for an additional 2 months. TCDD exposure restored cardiac physiology in aging males, appearing to compensate for the heart dysfunction caused by Nkx2.5 hemizygosity. Our findings underscore the conclusion that deletion of the Ahr gene in cardiomyocytes protects males from heart dysfunction due to NKX2.5 haploinsufficiency.
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Affiliation(s)
- Qin Wang
- Department of Environmental Health and Center for Environmental Genetics
| | - Yunxia Fan
- Department of Environmental Health and Center for Environmental Genetics
| | - Hisaka Kurita
- Department of Environmental Health and Center for Environmental Genetics
| | - Min Jiang
- Department of Internal Medicine Cardiology Division, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267
| | - Sheryl Koch
- Department of Internal Medicine Cardiology Division, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267
| | - Marepalli B Rao
- Department of Environmental Health and Center for Environmental Genetics
| | - Jack Rubinstein
- Department of Internal Medicine Cardiology Division, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267
| | - Alvaro Puga
- Department of Environmental Health and Center for Environmental Genetics
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28
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Schwarz B, Hollfelder D, Scharf K, Hartmann L, Reim I. Diversification of heart progenitor cells by EGF signaling and differential modulation of ETS protein activity. eLife 2018; 7:32847. [PMID: 29869981 PMCID: PMC6033539 DOI: 10.7554/elife.32847] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 06/04/2018] [Indexed: 12/16/2022] Open
Abstract
For coordinated circulation, vertebrate and invertebrate hearts require stereotyped arrangements of diverse cell populations. This study explores the process of cardiac cell diversification in the Drosophila heart, focusing on the two major cardioblast subpopulations: generic working myocardial cells and inflow valve-forming ostial cardioblasts. By screening a large collection of randomly induced mutants, we identified several genes involved in cardiac patterning. Further analysis revealed an unexpected, specific requirement of EGF signaling for the specification of generic cardioblasts and a subset of pericardial cells. We demonstrate that the Tbx20 ortholog Midline acts as a direct target of the EGFR effector Pointed to repress ostial fates. Furthermore, we identified Edl/Mae, an antagonist of the ETS factor Pointed, as a novel cardiac regulator crucial for ostial cardioblast specification. Combining these findings, we propose a regulatory model in which the balance between activation of Pointed and its inhibition by Edl controls cardioblast subtype-specific gene expression. Organs contain many different kinds of cells, each specialised to perform a particular role. The fruit fly heart, for example, has two types of muscle cells: generic heart muscle cells and ostial heart muscle cells. The generic cells contract to force blood around the body, whilst the ostial cells form openings that allow blood to enter the heart. Though both types of cells carry the same genetic information, each uses a different combination of active genes to perform their role. During development, the cells must decide whether to become generic or ostial. They obtain signals from other cells in and near the developing heart, and respond by turning genes on or off. The response uses proteins called transcription factors, which bind to regulatory portions of specific genes. The sequence of signals and transcription factors that control the fate of developing heart muscle cells was not known. So Schwarz et al. examined the process using a technique called a mutagenesis screen. This involved triggering random genetic mutations and looking for flies with defects in their heart muscle cells. Matching the defects to the mutations revealed genes responsible for heart development. Schwarz et al. found that for cells to develop into generic heart muscle cells, a signal called epidermal growth factor (EGF) switches on a transcription factor called Pointed in the cells. Pointed then turns on another transcription factor that switches off the genes for ostial cells. Conversely, ostial heart muscle cells develop when a protein called ‘ETS-domain lacking’ (Edl) interferes with Pointed, allowing the ostial genes to remain on. The balance between Pointed and Edl controls which type of heart cell each cell will become. Many cells in other tissues in fruit flies also produce the Pointed and Edl proteins and respond to EGF signals. This means that this system may help to decide the fate of cells in other organs. The EGF signaling system is also present in other animals, including humans. Future work could reveal whether the same molecular decision making happens in our own hearts.
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Affiliation(s)
- Benjamin Schwarz
- Department of Biology, Division of Developmental Biology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Dominik Hollfelder
- Department of Biology, Division of Developmental Biology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Katharina Scharf
- Department of Biology, Division of Developmental Biology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Leonie Hartmann
- Department of Biology, Division of Developmental Biology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Ingolf Reim
- Department of Biology, Division of Developmental Biology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
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29
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Zhao J, Mommersteeg MTM. Slit-Robo signalling in heart development. Cardiovasc Res 2018; 114:794-804. [PMID: 29538649 PMCID: PMC5909645 DOI: 10.1093/cvr/cvy061] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 01/16/2018] [Accepted: 03/09/2018] [Indexed: 02/06/2023] Open
Abstract
The Slit ligands and their Robo receptors are well-known for their roles during axon guidance in the central nervous system but are still relatively unknown in the cardiac field. However, data from different animal models suggest a broad involvement of the pathway in many aspects of heart development, from cardiac cell migration and alignment, lumen formation, chamber formation, to the formation of the ventricular septum, semilunar and atrioventricular valves, caval veins, and pericardium. Absence of one or more of the genes in the pathway results in defects ranging from bicuspid aortic valves to ventricular septal defects and abnormal venous connections to the heart. Congenital heart defects are the most common congenital malformations found in life new-born babies and progress in methods for large scale human genetic testing has significantly enhanced the identification of new causative genes involved in human congenital heart disease. Recently, loss of function variants in ROBO1 have also been linked to ventricular septal defects and tetralogy of Fallot in patients. Here, we will give an overview of the role of the Slit-Robo signalling pathway in Drosophila, zebrafish, and mouse heart development. The extent of these data warrant further attention on the SLIT-ROBO signalling pathway as a candidate for an array of human congenital heart defects.
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Affiliation(s)
- Juanjuan Zhao
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, Burdon Sanderson Cardiac Science Centre, University of Oxford, South Parks Road, Oxford OX1 3PT, UK
| | - Mathilda T M Mommersteeg
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, Burdon Sanderson Cardiac Science Centre, University of Oxford, South Parks Road, Oxford OX1 3PT, UK
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30
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Métais A, Lamsoul I, Melet A, Uttenweiler-Joseph S, Poincloux R, Stefanovic S, Valière A, Gonzalez de Peredo A, Stella A, Burlet-Schiltz O, Zaffran S, Lutz PG, Moog-Lutz C. Asb2α-Filamin A Axis Is Essential for Actin Cytoskeleton Remodeling During Heart Development. Circ Res 2018; 122:e34-e48. [PMID: 29374072 DOI: 10.1161/circresaha.117.312015] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 01/18/2018] [Accepted: 01/24/2018] [Indexed: 11/16/2022]
Abstract
RATIONALE Heart development involves differentiation of cardiac progenitors and assembly of the contractile sarcomere apparatus of cardiomyocytes. However, little is known about the mechanisms that regulate actin cytoskeleton remodeling during cardiac cell differentiation. OBJECTIVE The Asb2α (Ankyrin repeat-containing protein with a suppressor of cytokine signaling box 2) CRL5 (cullin 5 RING E3 ubiquitin ligase) triggers polyubiquitylation and subsequent degradation by the proteasome of FLNs (filamins). Here, we investigate the role of Asb2α in heart development and its mechanisms of action. METHODS AND RESULTS Using Asb2 knockout embryos, we show that Asb2 is an essential gene, critical to heart morphogenesis and function, although its loss does not interfere with the overall patterning of the embryonic heart tube. We show that the Asb2α E3 ubiquitin ligase controls Flna stability in immature cardiomyocytes. Importantly, Asb2α-mediated degradation of the actin-binding protein Flna marks a previously unrecognized intermediate step in cardiac cell differentiation characterized by cell shape changes and actin cytoskeleton remodeling. We further establish that in the absence of Asb2α, myofibrils are disorganized and that heartbeats are inefficient, leading to embryonic lethality in mice. CONCLUSIONS These findings identify Asb2α as an unsuspected key regulator of cardiac cell differentiation and shed light on the molecular and cellular mechanisms determining the onset of myocardial cell architecture and its link with early cardiac function. Although Flna is known to play roles in cytoskeleton organization and to be required for heart function, this study now reveals that its degradation mediated by Asb2α ensures essential functions in differentiating cardiac progenitors.
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Affiliation(s)
- Arnaud Métais
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Isabelle Lamsoul
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Armelle Melet
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Sandrine Uttenweiler-Joseph
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Renaud Poincloux
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Sonia Stefanovic
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Amélie Valière
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Anne Gonzalez de Peredo
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Alexandre Stella
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Odile Burlet-Schiltz
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Stéphane Zaffran
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.)
| | - Pierre G Lutz
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.).
| | - Christel Moog-Lutz
- From the Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, France (A. Métais, I.L., A. Melet, S.U.-J., R.P., A.V., A.G.d.P., A.S., O.B.-S., P.G.L., C.M.-L.); CNRS UMR8601, Université Paris Descartes, France (A. Melet); and Aix Marseille Univ, INSERM, MMG, France (S.S., S.Z.).
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31
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Medrano JL, Naya FJ. The transcription factor MEF2A fine-tunes gene expression in the atrial and ventricular chambers of the adult heart. J Biol Chem 2017; 292:20975-20988. [PMID: 29054930 PMCID: PMC5743072 DOI: 10.1074/jbc.m117.806422] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 10/10/2017] [Indexed: 11/06/2022] Open
Abstract
The distinct morphological and functional properties of the cardiac chambers arise from an elaborate developmental program involving cell lineage determination, morphogenesis, and dynamic spatiotemporal gene expression patterns. Although a number of transcription factors have been identified for proper gene regulation in the chambers, the complete transcriptional network that controls these patterns remains poorly defined. Previous studies have implicated the MEF2C transcription factor in the regulation of chamber-restricted enhancers. To better understand the mechanisms of MEF2-mediated regional gene regulation in the heart, we took advantage of MEF2A knock-out (KO) mice, a model that displays a predominantly ventricular chamber phenotype. Transcriptomic analysis of atrial and ventricular tissue from adult MEF2A KO hearts revealed a striking difference in chamber gene expression, with a larger proportion of dysregulated genes in the atrial chambers. Canonical pathway analysis of genes preferentially dysregulated in the atria and ventricles revealed distinct MEF2A-dependent cellular processes in each cardiac chamber. In the atria, MEF2A regulated genes involved in fibrosis and adhesion, whereas in the ventricles, it controlled inflammation and endocytosis. Finally, analysis of transcription factor-binding site motifs of differentially dysregulated genes uncovered distinct MEF2A co-regulators for the atrial and ventricular gene sets, and a subset of these was found to cooperate with MEF2A. In conclusion, our results suggest a mechanism in which MEF2 transcriptional activity is differentially recruited to fine-tune gene expression levels in each cardiac chamber. This regulatory mechanism ensures optimal output of these gene products for proper physiological function of the atrial and ventricular chambers.
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Affiliation(s)
- Jose L Medrano
- From the Department of Biology, Program in Cell and Molecular Biology, Boston University, Boston, Massachusetts 02215
| | - Francisco J Naya
- From the Department of Biology, Program in Cell and Molecular Biology, Boston University, Boston, Massachusetts 02215
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32
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Yoon C, Song H, Yin T, Bausch-Fluck D, Frei AP, Kattman S, Dubois N, Witty AD, Hewel JA, Guo H, Emili A, Wollscheid B, Keller G, Zandstra PW. FZD4 Marks Lateral Plate Mesoderm and Signals with NORRIN to Increase Cardiomyocyte Induction from Pluripotent Stem Cell-Derived Cardiac Progenitors. Stem Cell Reports 2017; 10:87-100. [PMID: 29249665 PMCID: PMC5768897 DOI: 10.1016/j.stemcr.2017.11.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 11/13/2017] [Accepted: 11/14/2017] [Indexed: 01/14/2023] Open
Abstract
The identification of cell surface proteins on stem cells or stem cell derivatives is a key strategy for the functional characterization, isolation, and understanding of stem cell population dynamics. Here, using an integrated mass spectrometry- and microarray-based approach, we analyzed the surface proteome and transcriptome of cardiac progenitor cells (CPCs) generated from the stage-specific differentiation of mouse and human pluripotent stem cells. Through bioinformatics analysis, we have identified and characterized FZD4 as a marker for lateral plate mesoderm. Additionally, we utilized FZD4, in conjunction with FLK1 and PDGFRA, to further purify CPCs and increase cardiomyocyte (CM) enrichment in both mouse and human systems. Moreover, we have shown that NORRIN presented to FZD4 further increases CM output via proliferation through the canonical WNT pathway. Taken together, these findings demonstrate a role for FZD4 in mammalian cardiac development. Identified and characterized FZD4 as a new marker for lateral plate mesoderm FZD4, in conjunction with FLK1 and PDGFRA, increases cardiomyocyte enrichment FZD4 is expressed in the human system and shows enrichment in cardiomyocytes NORRIN addition shows increase in cardiomyocyte output from FZD4 progenitor cells
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Affiliation(s)
- Charles Yoon
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Hannah Song
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Ting Yin
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Damaris Bausch-Fluck
- Institute of Molecular Systems Biology at the Department of Health Sciences and Technology, Zurich 8092, Switzerland
| | - Andreas P Frei
- Institute of Molecular Systems Biology at the Department of Health Sciences and Technology, Zurich 8092, Switzerland
| | - Steven Kattman
- McEwen Centre for Regenerative Medicine, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada
| | - Nicole Dubois
- McEwen Centre for Regenerative Medicine, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada
| | - Alec D Witty
- McEwen Centre for Regenerative Medicine, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada
| | - Johannes A Hewel
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Hongbo Guo
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Andrew Emili
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Bernd Wollscheid
- Institute of Molecular Systems Biology at the Department of Health Sciences and Technology, Zurich 8092, Switzerland
| | - Gordon Keller
- McEwen Centre for Regenerative Medicine, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada
| | - Peter W Zandstra
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada; Centre for Commercialization of Regenerative Medicine, Toronto, ON M5G 1M1, Canada; Medicine by Design: A Canada First Research Excellence Fund Program, University of Toronto, Toronto, ON M5G 1M1, Canada.
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33
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Sun C, Kontaridis MI. Physiology of Cardiac Development: From Genetics to Signaling to Therapeutic Strategies. CURRENT OPINION IN PHYSIOLOGY 2017. [PMID: 29532042 DOI: 10.1016/j.cophys.2017.09.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The heart is one of the first organs to form and function during embryonic development. It is comprised of multiple cell lineages, each integral for proper cardiac development, and include cardiomyocytes, endothelial cells, epicardial cells and neural crest cells. The molecular mechanisms regulating cardiac development and morphogenesis are dependent on signaling crosstalk between multiple lineages through paracrine interactions, cell-ECM interactions, and cell-cell interactions, which together, help facilitate survival, growth, proliferation, differentiation and migration of cardiac tissue. Aberrant regulation of any of these processes can induce developmental disorders and pathological phenotypes. Here, we will discuss each of these processes, the genetic factors that contribute to each step of cardiac development, as well as the current and future therapeutic targets and mechanisms of heart development and disease. Understanding the complex interactions that regulate cardiac development, proliferation and differentiation is not only vital to understanding the causes of congenital heart defects, but to also finding new therapeutics that can treat both pediatric and adult cardiac disease in the near future.
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Affiliation(s)
- Cheng Sun
- Department of Medicine, Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Maria I Kontaridis
- Department of Medicine, Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA, USA.,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
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34
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Growth and Morphogenesis during Early Heart Development in Amniotes. J Cardiovasc Dev Dis 2017; 4:jcdd4040020. [PMID: 29367549 PMCID: PMC5753121 DOI: 10.3390/jcdd4040020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 11/17/2017] [Accepted: 11/17/2017] [Indexed: 11/17/2022] Open
Abstract
In this review, we will focus on the growth and morphogenesis of the developing heart, an aspect of cardiovascular development to which Antoon Moorman and colleagues have extensively contributed. Over the last decades, genetic studies and characterization of regionally regulated gene programs have provided abundant novel insights into heart development essential to understand the basis of congenital heart disease. Heart morphogenesis, however, is inherently a complex and dynamic three-dimensional process and we are far from understanding its cellular basis. Here, we discuss recent advances in studying heart morphogenesis and regionalization under the light of the pioneering work of Moorman and colleagues, which allowed the reinterpretation of regional gene expression patterns under a new morphogenetic framework. Two aspects of early heart formation will be discussed in particular: (1) the initial formation of the heart tube and (2) the formation of the cardiac chambers by the ballooning process. Finally, we emphasize that in addition to analyses based on fixed samples, new approaches including clonal analysis, single-cell sequencing, live-imaging and quantitative analysis of the data generated will likely lead to novel insights in understanding early heart tube regionalization and morphogenesis in the near future.
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35
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Abd-Elhamid TH, Conway ML, Sinning AR. Expression of hLAMP-1-Positive Particles During Early Heart Development in the Chick. Anat Histol Embryol 2017; 46:413-422. [PMID: 28677155 DOI: 10.1111/ahe.12283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Heart development requires coordinated activity of various factors, the disturbance of which can lead to congenital heart defects. Heart lectin-associated matrix protein-1 (hLAMP-1) is a matrix protein expressed within Hensen's node at Hamburger-Hamilton (HH) stage 4, in the lateral mesoderm by HH stages 5-6 and enhanced within the left pre-cardiac field at HH stage 7. At HH stages 15-16, hLAMP-1 expression is observed in the atrioventricular canal and the outflow tract. Also, the role of hLAMP-1 in induction of mesenchyme formation in chick heart has been well documented. To further elucidate the role of this molecule in heart development, we examined its expression patterns during HH stages 8-14 in the chick. In this regard, we immunostained sections of the heart during HH stages 8-14 with antibodies specific to hLAMP-1. Our results showed prominent expression of hLAMP-1-positive particles in the extracellular matrix associated with the pre-cardiac mesoderm, the endoderm, ectoderm as well as neuroectoderm at HH stages 8-9. After formation of the linear heart tube at HH stage 10, the expression of hLAMP-1-stained particles disappears in those regions of original contact between the endoderm and heart forming fields due to rupture of the dorsal mesocardium while their expression becomes confined to the arterial and venous poles of the heart tube. This expression pattern is maintained until HH stage 14. This expression pattern suggests that hLAMP-1 may be involved in the formation of the endocardial tube.
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Affiliation(s)
- T H Abd-Elhamid
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, 2500 N State St, Jackson, MS, 39216, USA.,Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - M L Conway
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, 2500 N State St, Jackson, MS, 39216, USA
| | - A R Sinning
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, 2500 N State St, Jackson, MS, 39216, USA
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36
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Hinton RB, Ware SM. Heart Failure in Pediatric Patients With Congenital Heart Disease. Circ Res 2017; 120:978-994. [PMID: 28302743 DOI: 10.1161/circresaha.116.308996] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 12/27/2016] [Accepted: 12/28/2016] [Indexed: 12/14/2022]
Abstract
Heart failure (HF) is a complex clinical syndrome resulting from diverse primary and secondary causes and shared pathways of disease progression, correlating with substantial mortality, morbidity, and cost. HF in children is most commonly attributable to coexistent congenital heart disease, with different risks depending on the specific type of malformation. Current management and therapy for HF in children are extrapolated from treatment approaches in adults. This review discusses the causes, epidemiology, and manifestations of HF in children with congenital heart disease and presents the clinical, genetic, and molecular characteristics that are similar or distinct from adult HF. The objective of this review is to provide a framework for understanding rapidly increasing genetic and molecular information in the challenging context of detailed phenotyping. We review clinical and translational research studies of HF in congenital heart disease including at the genome, transcriptome, and epigenetic levels. Unresolved issues and directions for future study are presented.
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Affiliation(s)
- Robert B Hinton
- From the Department of Pediatrics and Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis
| | - Stephanie M Ware
- From the Department of Pediatrics and Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis.
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37
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Wang B, You G, Fu Q. Human fetal heart specific coexpression network involves congenital heart disease/defect candidate genes. Sci Rep 2017; 7:46760. [PMID: 28436429 PMCID: PMC5402266 DOI: 10.1038/srep46760] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 03/21/2017] [Indexed: 02/08/2023] Open
Abstract
Heart development is a complex process requiring dynamic transcriptional regulation. Disturbance of this process will lead to severe developmental defects such as congenital heart disease/defect (CHD). CHD is a group of complex disorder with high genetic heterogeneity, common pathways associated with CHD remains largely unknown. In the manuscript, we focused on the tissue specific genes in human fetal heart samples to explore such pathways. We used the RNA microarray dataset of human fetal tissues from ENCODE project to identify genes with heart tissue specific expression. A transcriptional network was constructed for these genes based on the Pearson correlation coefficients of their expression levels. Function, selective constraints and disease associations of these genes were then examined. Our analysis identified a network consisted of 316 genes with human fetal heart specific expression. The network was highly co-regulated and showed evolutionary conserved tissue expression pattern in tetrapod. Genes in this network are enriched in CHD specific genes and disease mutations. Using the transcriptomic data, we discovered a highly concerted gene network that might reflect a common pathway associated with the etiology of CHD. Such analysis should be helpful for disease associated gene identification in clinical studies.
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Affiliation(s)
- Bo Wang
- Department of Laboratory Medicine, Shanghai Children’s Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Guoling You
- Department of Laboratory Medicine, Shanghai Children’s Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qihua Fu
- Department of Laboratory Medicine, Shanghai Children’s Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
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38
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Current Perspectives in Cardiac Laterality. J Cardiovasc Dev Dis 2016; 3:jcdd3040034. [PMID: 29367577 PMCID: PMC5715725 DOI: 10.3390/jcdd3040034] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 11/23/2016] [Accepted: 12/05/2016] [Indexed: 12/16/2022] Open
Abstract
The heart is the first organ to break symmetry in the developing embryo and onset of dextral looping is the first indication of this event. Looping is a complex process that progresses concomitantly to cardiac chamber differentiation and ultimately leads to the alignment of the cardiac regions in their final topology. Generation of cardiac asymmetry is crucial to ensuring proper form and consequent functionality of the heart, and therefore it is a highly regulated process. It has long been known that molecular left/right signals originate far before morphological asymmetry and therefore can direct it. The use of several animal models has led to the characterization of a complex regulatory network, which invariably converges on the Tgf-β signaling molecule Nodal and its downstream target, the homeobox transcription factor Pitx2. Here, we review current data on the cellular and molecular bases of cardiac looping and laterality, and discuss the contribution of Nodal and Pitx2 to these processes. A special emphasis will be given to the morphogenetic role of Pitx2 and to its modulation of transcriptional and functional properties, which have also linked laterality to atrial fibrillation.
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39
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Ishida H, Saba R, Kokkinopoulos I, Hashimoto M, Yamaguchi O, Nowotschin S, Shiraishi M, Ruchaya P, Miller D, Harmer S, Poliandri A, Kogaki S, Sakata Y, Dunkel L, Tinker A, Hadjantonakis AK, Sawa Y, Sasaki H, Ozono K, Suzuki K, Yashiro K. GFRA2 Identifies Cardiac Progenitors and Mediates Cardiomyocyte Differentiation in a RET-Independent Signaling Pathway. Cell Rep 2016; 16:1026-1038. [PMID: 27396331 PMCID: PMC4967477 DOI: 10.1016/j.celrep.2016.06.050] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 05/22/2016] [Accepted: 06/10/2016] [Indexed: 12/14/2022] Open
Abstract
A surface marker that distinctly identifies cardiac progenitors (CPs) is essential for the robust isolation of these cells, circumventing the necessity of genetic modification. Here, we demonstrate that a Glycosylphosphatidylinositol-anchor containing neurotrophic factor receptor, Glial cell line-derived neurotrophic factor receptor alpha 2 (Gfra2), specifically marks CPs. GFRA2 expression facilitates the isolation of CPs by fluorescence activated cell sorting from differentiating mouse and human pluripotent stem cells. Gfra2 mutants reveal an important role for GFRA2 in cardiomyocyte differentiation and development both in vitro and in vivo. Mechanistically, the cardiac GFRA2 signaling pathway is distinct from the canonical pathway dependent on the RET tyrosine kinase and its established ligands. Collectively, our findings establish a platform for investigating the biology of CPs as a foundation for future development of CP transplantation for treating heart failure.
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Affiliation(s)
- Hidekazu Ishida
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Department of Paediatrics, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Rie Saba
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Ioannis Kokkinopoulos
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Masakazu Hashimoto
- Laboratory for Embryogenesis, Osaka University Graduate School of Frontier Biosciences, Osaka 565-0871, Japan
| | - Osamu Yamaguchi
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Sonja Nowotschin
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Manabu Shiraishi
- Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Prashant Ruchaya
- Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Centre of Human and Aerospace Physiological Sciences, School of Biomedical Sciences, King's College, London, SE1 1UL, UK
| | - Duncan Miller
- Cardiac Electrophysiology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Stephen Harmer
- Cardiac Electrophysiology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Ariel Poliandri
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Shigetoyo Kogaki
- Department of Paediatrics, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Yasushi Sakata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Leo Dunkel
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Andrew Tinker
- Cardiac Electrophysiology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | | | - Yoshiki Sawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Hiroshi Sasaki
- Laboratory for Embryogenesis, Osaka University Graduate School of Frontier Biosciences, Osaka 565-0871, Japan
| | - Keiichi Ozono
- Department of Paediatrics, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Ken Suzuki
- Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Kenta Yashiro
- Centre for Endocrinology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK.
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40
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Landis BJ, Ware SM. The Current Landscape of Genetic Testing in Cardiovascular Malformations: Opportunities and Challenges. Front Cardiovasc Med 2016; 3:22. [PMID: 27504451 PMCID: PMC4959014 DOI: 10.3389/fcvm.2016.00022] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 06/30/2016] [Indexed: 12/21/2022] Open
Abstract
Human cardiovascular malformations (CVMs) frequently have a genetic contribution. Through the application of novel technologies, such as next-generation sequencing, DNA sequence variants associated with CVMs are being identified at a rapid pace. While clinicians are now able to offer testing with NGS gene panels or whole exome sequencing to any patient with a CVM, the interpretation of genetic variation remains problematic. Variable phenotypic expression, reduced penetrance, inconsistent phenotyping methods, and the lack of high-throughput functional testing of variants contribute to these challenges. This article elaborates critical issues that impact the decision to broadly implement clinical molecular genetic testing in CVMs. Major benefits of testing include establishing a genetic diagnosis, facilitating cost-effective screening of family members who may have subclinical disease, predicting recurrence risk in offsprings, enabling early diagnosis and anticipatory management of CV and non-CV disease phenotypes, predicting long-term outcomes, and facilitating the development of novel therapies aimed at disease improvement or prevention. Limitations include financial cost, psychosocial cost, and ambiguity of interpretation of results. Multiplex families and patients with syndromic features are two groups where disease causation could potentially be firmly established. However, these account for the minority of the overall CVM population, and there is increasing recognition that genotypes previously associated with syndromes also exist in patients who lack non-CV findings. In all circumstances, ongoing dialog between cardiologists and clinical geneticists will be needed to accurately interpret genetic testing and improve these patients’ health. This may be most effectively implemented by the creation and support of CV genetics services at centers committed to pursuing testing for patients.
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Affiliation(s)
- Benjamin J Landis
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Stephanie M Ware
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
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41
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Kugler J, Luch A, Oelgeschläger M. Transgenic Mouse Models Transferred into the Test Tube: New Perspectives for Developmental Toxicity Testing In Vitro? Trends Pharmacol Sci 2016; 37:822-830. [PMID: 27450043 DOI: 10.1016/j.tips.2016.06.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/24/2016] [Accepted: 06/30/2016] [Indexed: 11/17/2022]
Abstract
Despite our increasing understanding of molecular mechanisms controlling embryogenesis, the identification and characterization of teratogenic substances still heavily relies on animal testing. Embryonic development depends on cell-autonomous and non-autonomous processes including spatiotemporally regulated extracellular signaling activities. These have been elucidated in transgenic mouse models harboring easily detectable reporter genes under the control of evolutionarily conserved signaling cascades. We propose combining these transgenic mouse models and cells derived thereof with existing alternative toxicological testing strategies. This would enable the plausibility of in vitro data to be verified in light of in vivo data and, ultimately, facilitate regulatory acceptance of in vitro test methods.
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Affiliation(s)
- Josephine Kugler
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Andreas Luch
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany.
| | - Michael Oelgeschläger
- German Federal Institute for Risk Assessment (BfR), Department of Experimental Toxicology and ZEBET, Bf3R, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
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42
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Affiliation(s)
- Leonardo Elia
- Humanitas Research Hospital, Via Manzoni 113, Rozzano, MI 20089, Italy Milan Unit, Institute of Genetic and Biomedical Research, Via Manzoni 113, Rozzano, MI 20089, Italy Humanitas University, Via Manzoni 113, Rozzano, MI 20089, Italy
| | - Gianluigi Condorelli
- Humanitas Research Hospital, Via Manzoni 113, Rozzano, MI 20089, Italy Milan Unit, Institute of Genetic and Biomedical Research, Via Manzoni 113, Rozzano, MI 20089, Italy Humanitas University, Via Manzoni 113, Rozzano, MI 20089, Italy
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Abstract
Cardiac transcription factors orchestrate the complex cellular and molecular events required to produce a functioning heart. Misregulation of the cardiac transcription program leads to embryonic developmental defects and is associated with human congenital heart diseases. Recent studies have expanded our understanding of the regulation of cardiac gene expression at an additional layer, involving the coordination of epigenetic and transcriptional regulators. In this review, we highlight and discuss discoveries made possible by the genetic and embryological tools available in the zebrafish model organism, with a focus on the novel functions of cardiac transcription factors and epigenetic and transcriptional regulatory proteins during cardiogenesis.
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Shi L, Kojonazarov B, Elgheznawy A, Popp R, Dahal BK, Böhm M, Pullamsetti SS, Ghofrani HA, Gödecke A, Jungmann A, Katus HA, Müller OJ, Schermuly RT, Fisslthaler B, Seeger W, Fleming I. miR-223-IGF-IR signalling in hypoxia- and load-induced right-ventricular failure: a novel therapeutic approach. Cardiovasc Res 2016; 111:184-93. [PMID: 27013635 DOI: 10.1093/cvr/cvw065] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 03/18/2016] [Indexed: 12/11/2022] Open
Abstract
AIMS Pulmonary hypertension is a progressive disease with poor prognosis, characterized by pathological inward remodelling and loss of patency of the lung vasculature. The right ventricle is co-affected by pulmonary hypertension, which triggers events such as hypoxia and/or increased mechanical load. Initially the right ventricle responds with 'adaptive' hypertrophy, which is often rapidly followed by 'maladaptive' changes leading to right heart decompensation and failure, which is the ultimate cause of death. METHODS AND RESULTS We report here that miR-223 is expressed in the murine lung and right ventricle at higher levels than in the left ventricle. Moreover, lung and right-ventricular miR-223 levels were markedly down-regulated by hypoxia. Correspondingly, increasing right-ventricular load by pulmonary artery banding, induced right-ventricular ischaemia, and the down-regulation of miR-223. Lung and right ventricle miR-223 down-regulation were linked with increased expression of the miR-223 target; insulin-like growth factor-I receptor (IGF-IR) and IGF-I downstream signalling. Similarly, miR-223 was decreased and IGF-IR increased in human pulmonary hypertension. Notably in young mice, miR-223 overexpression, the genetic inactivation or pharmacological inhibition of IGF-IR, all attenuated right-ventricular hypertrophy and improved right heart function under conditions of hypoxia or increased afterload. CONCLUSION These findings highlight the early role of pulmonary and right-ventricular miR-223 and the IGF-IR in the right heart failure programme initiated by pulmonary hypoxia and increased mechanical load and may lead to the development of novel therapeutic strategies that target the development of PH and right heart failure.
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Affiliation(s)
- Lei Shi
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, and German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Baktybek Kojonazarov
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany
| | - Amro Elgheznawy
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, and German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Rüdiger Popp
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, and German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Bhola Kumar Dahal
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany
| | - Mario Böhm
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany
| | - Soni Savai Pullamsetti
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany Max-Planck-Institute for Heart and Lung Research, Department of Lung Development and Remodeling, Bad Nauheim, Germany
| | - Hossein-Ardeschir Ghofrani
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany
| | - Axel Gödecke
- Institut für Herz- und Kreislaufphysiologie, Universitätsklinikum, Heinrich-Heine-Universität, Dusseldorf, Germany
| | - Andreas Jungmann
- Department of Internal Medicine III, University of Heidelberg, Im Neuenheimer Feld 410, Heidelberg 69120, Germany German Center for Cardiovascular Research (DZHK), partner site Heidelberg/Mannheim, Germany
| | - Hugo A Katus
- Department of Internal Medicine III, University of Heidelberg, Im Neuenheimer Feld 410, Heidelberg 69120, Germany German Center for Cardiovascular Research (DZHK), partner site Heidelberg/Mannheim, Germany
| | - Oliver J Müller
- Department of Internal Medicine III, University of Heidelberg, Im Neuenheimer Feld 410, Heidelberg 69120, Germany German Center for Cardiovascular Research (DZHK), partner site Heidelberg/Mannheim, Germany
| | - Ralph T Schermuly
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany
| | - Beate Fisslthaler
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, and German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Werner Seeger
- University of Giessen and Marburg Lung Center, Justus-Liebig-University Giessen and German Center for Lung Research (DZL), Germany Max-Planck-Institute for Heart and Lung Research, Department of Lung Development and Remodeling, Bad Nauheim, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, and German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
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45
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Foglia MJ, Cao J, Tornini VA, Poss KD. Multicolor mapping of the cardiomyocyte proliferation dynamics that construct the atrium. Development 2016; 143:1688-96. [PMID: 26989176 DOI: 10.1242/dev.136606] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 03/08/2016] [Indexed: 01/13/2023]
Abstract
The orchestrated division of cardiomyocytes assembles heart chambers of distinct morphology. To understand the structural divergence of the cardiac chambers, we determined the contributions of individual embryonic cardiomyocytes to the atrium in zebrafish by multicolor fate-mapping and we compare our analysis to the established proliferation dynamics of ventricular cardiomyocytes. We find that most atrial cardiomyocytes become rod-shaped in the second week of life, generating a single-muscle-cell-thick myocardial wall with a striking webbed morphology. Inner pectinate myofibers form mainly by direct branching, unlike delamination events that create ventricular trabeculae. Thus, muscle clones assembling the atrial chamber can extend from wall to lumen. As zebrafish mature, atrial wall cardiomyocytes proliferate laterally to generate cohesive patches of diverse shapes and sizes, frequently with dominant clones that comprise 20-30% of the wall area. A subpopulation of cardiomyocytes that transiently express atrial myosin heavy chain (amhc) contributes substantially to specific regions of the ventricle, suggesting an unappreciated level of plasticity during chamber formation. Our findings reveal proliferation dynamics and fate decisions of cardiomyocytes that produce the distinct architecture of the atrium.
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Affiliation(s)
- Matthew J Foglia
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jingli Cao
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Valerie A Tornini
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kenneth D Poss
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
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46
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Abstract
Cardiovascular malformations (CVMs) are the most common birth defect, occurring in 1% to 5% of all live births. Genetic, epigenetic, and environmental factors all influence the development of CVMs, and an improved understanding of the causation of CVMs is a prerequisite for prevention. Cardiac development is a complex, multistep process of morphogenesis that is under genetic regulation. Although the genetic contribution to CVMs is well recognized, the genetic causes of human CVMs are still identified infrequently. This article discusses the key genetic concepts characterizing human CVMs, their developmental basis, and the critical developmental and genetic concepts underlying their pathogenesis.
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Affiliation(s)
- Mohamad Azhar
- Department of Cell Biology & Anatomy, University of South Carolina School of Medicine, 6439 Garners Ferry Road, Columbia, SC 29208, USA.
| | - Stephanie M. Ware
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN,Corresponding authors: Mohamad Azhar, PhD, Indiana University School of Medicine, 1044 W. Walnut Street, Indianapolis, IN 46202, Phone: 317-278-8661, , Stephanie M. Ware, MD, PhD, Indiana University School of Medicine, 1044 W. Walnut Street, Indianapolis, IN 46202, Phone: 317-274-8938, Fax: 317-274-8679,
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47
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Hartman ME, Dai DF, Laflamme MA. Human pluripotent stem cells: Prospects and challenges as a source of cardiomyocytes for in vitro modeling and cell-based cardiac repair. Adv Drug Deliv Rev 2016; 96:3-17. [PMID: 25980938 DOI: 10.1016/j.addr.2015.05.004] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Revised: 04/27/2015] [Accepted: 05/07/2015] [Indexed: 12/13/2022]
Abstract
Human pluripotent stem cells (PSCs) represent an attractive source of cardiomyocytes with potential applications including disease modeling, drug discovery and safety screening, and novel cell-based cardiac therapies. Insights from embryology have contributed to the development of efficient, reliable methods capable of generating large quantities of human PSC-cardiomyocytes with cardiac purities ranging up to 90%. However, for human PSCs to meet their full potential, the field must identify methods to generate cardiomyocyte populations that are uniform in subtype (e.g. homogeneous ventricular cardiomyocytes) and have more mature structural and functional properties. For in vivo applications, cardiomyocyte production must be highly scalable and clinical grade, and we will need to overcome challenges including graft cell death, immune rejection, arrhythmogenesis, and tumorigenic potential. Here we discuss the types of human PSCs, commonly used methods to guide their differentiation into cardiomyocytes, the phenotype of the resultant cardiomyocytes, and the remaining obstacles to their successful translation.
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48
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Jaźwińska A, Sallin P. Regeneration versus scarring in vertebrate appendages and heart. J Pathol 2016; 238:233-46. [PMID: 26414617 PMCID: PMC5057359 DOI: 10.1002/path.4644] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/15/2015] [Accepted: 09/18/2015] [Indexed: 12/15/2022]
Abstract
Injuries to complex human organs, such as the limbs and the heart, result in pathological conditions, for which we often lack adequate treatments. While modern regenerative approaches are based on the transplantation of stem cell-derived cells, natural regeneration in lower vertebrates, such as zebrafish and newts, relies predominantly on the intrinsic plasticity of mature tissues. This property involves local activation of the remaining material at the site of injury to promote cell division, cell migration and complete reproduction of the missing structure. It remains an unresolved question why adult mammals are not equally competent to reactivate morphogenetic programmes. Although organ regeneration depends strongly on the proliferative properties of cells in the injured tissue, it is apparent that various organismic factors, such as innervation, vascularization, hormones, metabolism and the immune system, can affect this process. Here, we focus on a correlation between the regenerative capacity and cellular specialization in the context of functional demands, as illustrated by appendages and heart in diverse vertebrates. Elucidation of the differences between homologous regenerative and non-regenerative tissues from various animal models is essential for understanding the applicability of lessons learned from the study of regenerative biology to clinical strategies for the treatment of injured human organs.
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Affiliation(s)
- Anna Jaźwińska
- Department of Biology, University of Fribourg, Switzerland
| | - Pauline Sallin
- Department of Biology, University of Fribourg, Switzerland
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49
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50
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Prosheva VI, Kaseva NN. Location and functional characterization of the right atrioventricular pacemaker ring in the adult avian heart. J Morphol 2015; 277:363-9. [DOI: 10.1002/jmor.20502] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 10/22/2015] [Accepted: 11/15/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Valentina I. Prosheva
- Institute of Physiology; Komi Science Centre, The Russian Academy of Sciences; 50 Pervomayskaya Street, 167982 GSP-2 Syktyvkar Komi Republic Russia
| | - Natalya N. Kaseva
- Institute of Physiology; Komi Science Centre, The Russian Academy of Sciences; 50 Pervomayskaya Street, 167982 GSP-2 Syktyvkar Komi Republic Russia
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