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Li S, Luo X, Sun M, Wang Y, Zhang Z, Jiang J, Hu D, Zhang J, Wu Z, Wang Y, Huang W, Xia L. Context-dependent T-BOX transcription factor family: from biology to targeted therapy. Cell Commun Signal 2024; 22:350. [PMID: 38965548 PMCID: PMC11225425 DOI: 10.1186/s12964-024-01719-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 06/17/2024] [Indexed: 07/06/2024] Open
Abstract
T-BOX factors belong to an evolutionarily conserved family of transcription factors. T-BOX factors not only play key roles in growth and development but are also involved in immunity, cancer initiation, and progression. Moreover, the same T-BOX molecule exhibits different or even opposite effects in various developmental processes and tumor microenvironments. Understanding the multiple roles of context-dependent T-BOX factors in malignancies is vital for uncovering the potential of T-BOX-targeted cancer therapy. We summarize the physiological roles of T-BOX factors in different developmental processes and their pathological roles observed when their expression is dysregulated. We also discuss their regulatory roles in tumor immune microenvironment (TIME) and the newly arising questions that remain unresolved. This review will help in systematically and comprehensively understanding the vital role of the T-BOX transcription factor family in tumor physiology, pathology, and immunity. The intention is to provide valuable information to support the development of T-BOX-targeted therapy.
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Affiliation(s)
- Siwen Li
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Xiangyuan Luo
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Mengyu Sun
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Yijun Wang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Zerui Zhang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Junqing Jiang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Dian Hu
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Jiaqian Zhang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Zhangfan Wu
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Yufei Wang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Wenjie Huang
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China.
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Key Laboratory of Organ Transplantation, Huazhong University of Science and Technology, Ministry of Education and Ministry of Public Health, Wuhan, Hubei, 430030, China.
| | - Limin Xia
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China.
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, 710032, China.
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Guijarro C, Kelly RG. On the involvement of the second heart field in congenital heart defects. C R Biol 2024; 347:9-18. [PMID: 38488639 DOI: 10.5802/crbiol.151] [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: 10/10/2023] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 03/19/2024]
Abstract
Congenital heart defects (CHD) affect 1 in 100 live births and result from defects in cardiac development. Growth of the early heart tube occurs by the progressive addition of second heart field (SHF) progenitor cells to the cardiac poles. The SHF gives rise to ventricular septal, right ventricular and outflow tract myocardium at the arterial pole, and atrial, including atrial septal myocardium, at the venous pole. SHF deployment creates the template for subsequent cardiac septation and has been implicated in cardiac looping and in orchestrating outflow tract development with neural crest cells. Genetic or environmental perturbation of SHF deployment thus underlies a spectrum of common forms of CHD affecting conotruncal and septal morphogenesis. Here we review the major properties of SHF cells as well as recent insights into the developmental programs that drive normal cardiac progenitor cell addition and the origins of CHD.
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Kelly RG. Molecular Pathways and Animal Models of Tetralogy of Fallot and Double Outlet Right Ventricle. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:645-659. [PMID: 38884739 DOI: 10.1007/978-3-031-44087-8_37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Tetralogy of Fallot and double-outlet right ventricle are outflow tract (OFT) alignment defects situated on a continuous disease spectrum. A myriad of upstream causes can impact on ventriculoarterial alignment that can be summarized as defects in either i) OFT elongation during looping morphogenesis or ii) OFT remodeling during cardiac septation. Embryological processes underlying these two developmental steps include deployment of second heart field cardiac progenitor cells, establishment and transmission of embryonic left/right information driving OFT rotation and OFT cushion and valve morphogenesis. The formation and remodeling of pulmonary trunk infundibular myocardium is a critical component of both steps. Defects in myocardial, endocardial, or neural crest cell lineages can result in alignment defects, reflecting the complex intercellular signaling events that coordinate arterial pole development. Importantly, however, OFT alignment is mechanistically distinct from neural crest-driven OFT septation, although neural crest cells impact indirectly on alignment through their role in modulating signaling during SHF development. As yet poorly understood nongenetic causes of alignment defects that impact the above processes include hemodynamic changes, maternal exposure to environmental teratogens, and stochastic events. The heterogeneity of causes converging on alignment defects characterizes the OFT as a hotspot of congenital heart defects.
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Affiliation(s)
- Robert G Kelly
- Aix Marseille Université, Institut de Biologie du Dévelopment de Marseille, Marseille, France.
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Gill E, Bamforth SD. Molecular Pathways and Animal Models of Semilunar Valve and Aortic Arch Anomalies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:777-796. [PMID: 38884748 DOI: 10.1007/978-3-031-44087-8_46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The great arteries of the vertebrate carry blood from the heart to the systemic circulation and are derived from the pharyngeal arch arteries. In higher vertebrates, the pharyngeal arch arteries are a symmetrical series of blood vessels that rapidly remodel during development to become the asymmetric aortic arch arteries carrying oxygenated blood from the left ventricle via the outflow tract. At the base of the aorta, as well as the pulmonary trunk, are the semilunar valves. These valves each have three leaflets and prevent the backflow of blood into the heart. During development, the process of aortic arch and valve formation may go wrong, resulting in cardiovascular defects, and these may, at least in part, be caused by genetic mutations. In this chapter, we will review models harboring genetic mutations that result in cardiovascular defects affecting the great arteries and the semilunar valves.
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Affiliation(s)
- Eleanor Gill
- Newcastle University Biosciences Institute, Newcastle upon Tyne, UK
| | - Simon D Bamforth
- Newcastle University Biosciences Institute, Newcastle upon Tyne, UK.
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Ghanbari M, Khosroshahi NS, Alamdar M, Abdi A, Aghazadeh A, Feizi MAH, Haghi M. An Updated Review on the Significance of DNA and Protein Methyltransferases and De-methylases in Human Diseases: From Molecular Mechanism to Novel Therapeutic Approaches. Curr Med Chem 2024; 31:3550-3587. [PMID: 37287285 DOI: 10.2174/0929867330666230607124803] [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: 12/06/2022] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 06/09/2023]
Abstract
Epigenetic mechanisms are crucial in regulating gene expression. These mechanisms include DNA methylation and histone modifications, like methylation, acetylation, and phosphorylation. DNA methylation is associated with gene expression suppression; however, histone methylation can stimulate or repress gene expression depending on the methylation pattern of lysine or arginine residues on histones. These modifications are key factors in mediating the environmental effect on gene expression regulation. Therefore, their aberrant activity is associated with the development of various diseases. The current study aimed to review the significance of DNA and histone methyltransferases and demethylases in developing various conditions, like cardiovascular diseases, myopathies, diabetes, obesity, osteoporosis, cancer, aging, and central nervous system conditions. A better understanding of the epigenetic roles in developing diseases can pave the way for developing novel therapeutic approaches for affected patients.
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Affiliation(s)
- Mohammad Ghanbari
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Negin Sadi Khosroshahi
- Department of Biology, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Maryam Alamdar
- Department of Genetics Sciences, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Adel Abdi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Aida Aghazadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | | | - Mehdi Haghi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
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Buckingham M, Kelly RG. Cardiac Progenitor Cells of the First and Second Heart Fields. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:103-124. [PMID: 38884707 DOI: 10.1007/978-3-031-44087-8_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The heart forms from the first and second heart fields, which contribute to distinct regions of the myocardium. This is supported by clonal analyses, which identify corresponding first and second cardiac cell lineages in the heart. Progenitor cells of the second heart field and its sub-domains are controlled by a gene regulatory network and signaling pathways, which determine their behavior. Multipotent cells in this field can also contribute cardiac endothelial and smooth muscle cells. Furthermore, the skeletal muscles of the head and neck are clonally related to myocardial cells that form the arterial and venous poles of the heart. These lineage relationships, together with the genes that regulate the heart fields, have major implications for congenital heart disease.
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Affiliation(s)
- Margaret Buckingham
- Department of Developmental and Stem Cell Biology, CNRS UMR 3738, Institut Pasteur, Paris, France.
| | - Robert G Kelly
- Aix Marseille Université, Institut de Biologie du Dévelopment de Marseille, Marseille, France.
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Shafi O, Siddiqui G, Jaffry HA. The benign nature and rare occurrence of cardiac myxoma as a possible consequence of the limited cardiac proliferative/ regenerative potential: a systematic review. BMC Cancer 2023; 23:1245. [PMID: 38110859 PMCID: PMC10726542 DOI: 10.1186/s12885-023-11723-3] [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: 08/08/2023] [Accepted: 12/05/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND Cardiac Myxoma is a primary tumor of heart. Its origins, rarity of the occurrence of primary cardiac tumors and how it may be related to limited cardiac regenerative potential, are not yet entirely known. This study investigates the key cardiac genes/ transcription factors (TFs) and signaling pathways to understand these important questions. METHODS Databases including PubMed, MEDLINE, and Google Scholar were searched for published articles without any date restrictions, involving cardiac myxoma, cardiac genes/TFs/signaling pathways and their roles in cardiogenesis, proliferation, differentiation, key interactions and tumorigenesis, with focus on cardiomyocytes. RESULTS The cardiac genetic landscape is governed by a very tight control between proliferation and differentiation-related genes/TFs/pathways. Cardiac myxoma originates possibly as a consequence of dysregulations in the gene expression of differentiation regulators including Tbx5, GATA4, HAND1/2, MYOCD, HOPX, BMPs. Such dysregulations switch the expression of cardiomyocytes into progenitor-like state in cardiac myxoma development by dysregulating Isl1, Baf60 complex, Wnt, FGF, Notch, Mef2c and others. The Nkx2-5 and MSX2 contribute predominantly to both proliferation and differentiation of Cardiac Progenitor Cells (CPCs), may possibly serve roles based on the microenvironment and the direction of cell circuitry in cardiac tumorigenesis. The Nkx2-5 in cardiac myxoma may serve to limit progression of tumorigenesis as it has massive control over the proliferation of CPCs. The cardiac cell type-specific genetic programming plays governing role in controlling the tumorigenesis and regenerative potential. CONCLUSION The cardiomyocytes have very limited proliferative and regenerative potential. They survive for long periods of time and tightly maintain the gene expression of differentiation genes such as Tbx5, GATA4 that interact with tumor suppressors (TS) and exert TS like effect. The total effect such gene expression exerts is responsible for the rare occurrence and benign nature of primary cardiac tumors. This prevents the progression of tumorigenesis. But this also limits the regenerative and proliferative potential of cardiomyocytes. Cardiac Myxoma develops as a consequence of dysregulations in these key genes which revert the cells towards progenitor-like state, hallmark of CM. The CM development in carney complex also signifies the role of TS in cardiac cells.
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Affiliation(s)
- Ovais Shafi
- Sindh Medical College - Jinnah Sindh Medical University / Dow University of Health Sciences, Karachi, Pakistan.
| | - Ghazia Siddiqui
- Sindh Medical College - Jinnah Sindh Medical University / Dow University of Health Sciences, Karachi, Pakistan
| | - Hassam A Jaffry
- Sindh Medical College - Jinnah Sindh Medical University / Dow University of Health Sciences, Karachi, Pakistan
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8
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Chen J, Yu N, Ou S, Wang X, Li H, Zhu H. Integrated analysis reveals SMARCD1 is a potential biomarker and therapeutic target in skin cutaneous melanoma. J Cancer Res Clin Oncol 2023; 149:11619-11634. [PMID: 37401939 DOI: 10.1007/s00432-023-05064-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 06/29/2023] [Indexed: 07/05/2023]
Abstract
OBJECTIVE SMARCD1 is a part of the SWI/SNF chromatin remodeling complex family, which consists of transcription factors that are implicated in various types of cancer. Examining SMARCD1 expression in human cancers can provide valuable insights into the development and progression of skin cutaneous melanoma (SKCM). METHODS Our study comprehensively examined the association between SMARCD1 expression and numerous factors, including prognosis, tumor microenvironment (TME), immune infiltration, tumor mutational burden (TMB), and microsatellite instability (MSI) in SKCM. Then we utilized immunohistochemical staining to measure the SMARCD1 expression in both SKCM tissues and normal skin tissues. Furthermore, we conducted in vitro experimentation to evaluate the effects of SMARCD1 knockdown on SKCM cells. RESULTS We found that aberrant expression of SMARCD1 across 16 cancers was strongly correlated with overall survival (OS) and progression-free survival (PFS). In addition, our research revealed that SMARCD1 expression is associated with multiple factors in different types of cancer, including immune infiltration, TME, immune-related genes, MSI, TMB, and sensitivity to anti-cancer drugs. SMARCD1 is likely involved in various SKCM signaling pathways and biological processes. Additionally, our research revealed that an SMARCD1-based risk factor model accurately predicted OS in SKCM patients. Furthermore, the downregulation of SMARCD1 expression demonstrated a significant inhibition of SKCM cell proliferation and migration, as well as an increase in apoptosis and cell cycle arrest. CONCLUSION We conclude that SMARCD1 is a promising diagnostic, prognostic, and therapeutic biomarker for SKCM, and its expression has significant clinical implications for the development of novel treatment strategies.
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Affiliation(s)
- Jiaoquan Chen
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China
| | - Nanji Yu
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China
| | - Shanshan Ou
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China
| | - Xue Wang
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China
| | - Huaping Li
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China
| | - Huilan Zhu
- Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, 510095, Guangdong, China.
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9
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De Bono C, Liu Y, Ferrena A, Valentine A, Zheng D, Morrow BE. Single-cell transcriptomics uncovers a non-autonomous Tbx1-dependent genetic program controlling cardiac neural crest cell development. Nat Commun 2023; 14:1551. [PMID: 36941249 PMCID: PMC10027855 DOI: 10.1038/s41467-023-37015-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 02/28/2023] [Indexed: 03/23/2023] Open
Abstract
Disruption of cardiac neural crest cells (CNCCs) results in congenital heart disease, yet we do not understand the cell fate dynamics as these cells differentiate to vascular smooth muscle cells. Here we performed single-cell RNA-sequencing of NCCs from the pharyngeal apparatus with the heart in control mouse embryos and when Tbx1, the gene for 22q11.2 deletion syndrome, is inactivated. We uncover three dynamic transitions of pharyngeal NCCs expressing Tbx2 and Tbx3 through differentiated CNCCs expressing cardiac transcription factors with smooth muscle genes. These transitions are altered non-autonomously by loss of Tbx1. Further, inactivation of Tbx2 and Tbx3 in early CNCCs results in aortic arch branching defects due to failed smooth muscle differentiation. Loss of Tbx1 interrupts mesoderm to CNCC cell-cell communication with upregulation and premature activation of BMP signaling and reduced MAPK signaling, as well as alteration of other signaling, and failed dynamic transitions of CNCCs leading to disruption of aortic arch artery formation and cardiac outflow tract septation.
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Affiliation(s)
- Christopher De Bono
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Yang Liu
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Alexander Ferrena
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
- Institute for Clinical and Translational Research, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Aneesa Valentine
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Deyou Zheng
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Bernice E Morrow
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA.
- Departments of Obstetrics and Gynecology; and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA.
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Kelly RG. The heart field transcriptional landscape at single-cell resolution. Dev Cell 2023; 58:257-266. [PMID: 36809764 DOI: 10.1016/j.devcel.2023.01.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/06/2022] [Accepted: 01/27/2023] [Indexed: 02/22/2023]
Abstract
Organogenesis requires the orchestrated development of multiple cell lineages that converge, interact, and specialize to generate coherent functional structures, exemplified by transformation of the cardiac crescent into a four-chambered heart. Cardiomyocytes originate from the first and second heart fields, which make different regional contributions to the definitive heart. In this review, a series of recent single-cell transcriptomic analyses, together with genetic tracing experiments, are discussed, providing a detailed panorama of the cardiac progenitor cell landscape. These studies reveal that first heart field cells originate in a juxtacardiac field adjacent to extraembryonic mesoderm and contribute to the ventrolateral side of the cardiac primordium. In contrast, second heart field cells are deployed dorsomedially from a multilineage-primed progenitor population via arterial and venous pole pathways. Refining our knowledge of the origin and developmental trajectories of cells that build the heart is essential to address outstanding challenges in cardiac biology and disease.
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Affiliation(s)
- Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France.
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11
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Zhao K, Yang Z. The second heart field: the first 20 years. Mamm Genome 2022:10.1007/s00335-022-09975-8. [PMID: 36550326 DOI: 10.1007/s00335-022-09975-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
In 2001, three independent groups reported the identification of a novel cluster of progenitor cells that contribute to heart development in mouse and chicken embryos. This population of progenitor cells was designated as the second heart field (SHF), and a new research direction in heart development was launched. Twenty years have since passed and a comprehensive understanding of the SHF has been achieved. This review provides retrospective insights in to the contribution, the signaling regulatory networks and the epithelial properties of the SHF. It also includes the spatiotemporal characteristics of SHF development and interactions between the SHF and other types of cells during heart development. Although considerable efforts will be required to investigate the cellular heterogeneity of the SHF, together with its intricate regulatory networks and undefined mechanisms, it is expected that the burgeoning new technology of single-cell sequencing and precise lineage tracing will advance the comprehension of SHF function and its molecular signals. The advances in SHF research will translate to clinical applications and to the treatment of congenital heart diseases, especially conotruncal defects, as well as to regenerative medicine.
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Affiliation(s)
- Ke Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, and Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, 210093, China
| | - Zhongzhou Yang
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, and Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, 210093, China.
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12
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Funato N. Craniofacial Phenotypes and Genetics of DiGeorge Syndrome. J Dev Biol 2022; 10:jdb10020018. [PMID: 35645294 PMCID: PMC9149807 DOI: 10.3390/jdb10020018] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/11/2022] [Accepted: 05/11/2022] [Indexed: 02/06/2023] Open
Abstract
The 22q11.2 deletion is one of the most common genetic microdeletions, affecting approximately 1 in 4000 live births in humans. A 1.5 to 2.5 Mb hemizygous deletion of chromosome 22q11.2 causes DiGeorge syndrome (DGS) and velocardiofacial syndrome (VCFS). DGS/VCFS are associated with prevalent cardiac malformations, thymic and parathyroid hypoplasia, and craniofacial defects. Patients with DGS/VCFS manifest craniofacial anomalies involving the cranium, cranial base, jaws, pharyngeal muscles, ear-nose-throat, palate, teeth, and cervical spine. Most craniofacial phenotypes of DGS/VCFS are caused by proximal 1.5 Mb microdeletions, resulting in a hemizygosity of coding genes, microRNAs, and long noncoding RNAs. TBX1, located on chromosome 22q11.21, encodes a T-box transcription factor and is a candidate gene for DGS/VCFS. TBX1 regulates the fate of progenitor cells in the cranial and pharyngeal apparatus during embryogenesis. Tbx1-null mice exhibit the most clinical features of DGS/VCFS, including craniofacial phenotypes. Despite the frequency of DGS/VCFS, there has been a limited review of the craniofacial phenotypes of DGC/VCFS. This review focuses on these phenotypes and summarizes the current understanding of the genetic factors that impact DGS/VCFS-related phenotypes. We also review DGS/VCFS mouse models that have been designed to better understand the pathogenic processes of DGS/VCFS.
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Affiliation(s)
- Noriko Funato
- Department of Signal Gene Regulation, Advanced Therapeutic Sciences, Medical and Dental Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
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Škorić-Milosavljević D, Tadros R, Bosada FM, Tessadori F, van Weerd JH, Woudstra OI, Tjong FV, Lahrouchi N, Bajolle F, Cordell HJ, Agopian A, Blue GM, Barge-Schaapveld DQ, Gewillig M, Preuss C, Lodder EM, Barnett P, Ilgun A, Beekman L, van Duijvenboden K, Bokenkamp R, Müller-Nurasyid M, Vliegen HW, Konings TC, van Melle JP, van Dijk AP, van Kimmenade RR, Roos-Hesselink JW, Sieswerda GT, Meijboom F, Abdul-Khaliq H, Berger F, Dittrich S, Hitz MP, Moosmann J, Riede FT, Schubert S, Galan P, Lathrop M, Munter HM, Al-Chalabi A, Shaw CE, Shaw PJ, Morrison KE, Veldink JH, van den Berg LH, Evans S, Nobrega MA, Aneas I, Radivojkov-Blagojević M, Meitinger T, Oechslin E, Mondal T, Bergin L, Smythe JF, Altamirano-Diaz L, Lougheed J, Bouma BJ, Chaix MA, Kline J, Bassett AS, Andelfinger G, van der Palen RL, Bouvagnet P, Clur SAB, Breckpot J, Kerstjens-Frederikse WS, Winlaw DS, Bauer UM, Mital S, Goldmuntz E, Keavney B, Bonnet D, Mulder BJ, Tanck MW, Bakkers J, Christoffels VM, Boogerd CJ, Postma AV, Bezzina CR. Common Genetic Variants Contribute to Risk of Transposition of the Great Arteries. Circ Res 2022; 130:166-180. [PMID: 34886679 PMCID: PMC8768504 DOI: 10.1161/circresaha.120.317107] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 12/07/2021] [Accepted: 12/09/2021] [Indexed: 12/21/2022]
Abstract
RATIONALE Dextro-transposition of the great arteries (D-TGA) is a severe congenital heart defect which affects approximately 1 in 4,000 live births. While there are several reports of D-TGA patients with rare variants in individual genes, the majority of D-TGA cases remain genetically elusive. Familial recurrence patterns and the observation that most cases with D-TGA are sporadic suggest a polygenic inheritance for the disorder, yet this remains unexplored. OBJECTIVE We sought to study the role of common single nucleotide polymorphisms (SNPs) in risk for D-TGA. METHODS AND RESULTS We conducted a genome-wide association study in an international set of 1,237 patients with D-TGA and identified a genome-wide significant susceptibility locus on chromosome 3p14.3, which was subsequently replicated in an independent case-control set (rs56219800, meta-analysis P=8.6x10-10, OR=0.69 per C allele). SNP-based heritability analysis showed that 25% of variance in susceptibility to D-TGA may be explained by common variants. A genome-wide polygenic risk score derived from the discovery set was significantly associated to D-TGA in the replication set (P=4x10-5). The genome-wide significant locus (3p14.3) co-localizes with a putative regulatory element that interacts with the promoter of WNT5A, which encodes the Wnt Family Member 5A protein known for its role in cardiac development in mice. We show that this element drives reporter gene activity in the developing heart of mice and zebrafish and is bound by the developmental transcription factor TBX20. We further demonstrate that TBX20 attenuates Wnt5a expression levels in the developing mouse heart. CONCLUSIONS This work provides support for a polygenic architecture in D-TGA and identifies a susceptibility locus on chromosome 3p14.3 near WNT5A. Genomic and functional data support a causal role of WNT5A at the locus.
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Affiliation(s)
- Doris Škorić-Milosavljević
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
- Department of Human Genetics, Amsterdam University Medical Centers, The Netherlands (D.S.-M., E.M.L., A.V.P.)
| | - Rafik Tadros
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
- Department of Medicine, Cardiovascular Genetics Center, Montreal Heart Institute and Faculty of Medicine, Université de Montréal, Montreal, Québec, Canada (R.T., M.-A.C.)
| | - Fernanda M. Bosada
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Federico Tessadori
- Hubrecht Institute-KNAW and University Medical Center Utrecht, the Netherlands (F.T., J.B., C.J.B.)
| | - Jan Hendrik van Weerd
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Odilia I. Woudstra
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
- Department of Cardiology, University Medical Center Utrecht, The Netherlands (O.I.W., G.T.S., F.M.)
| | - Fleur V.Y. Tjong
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
| | - Najim Lahrouchi
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
| | - Fanny Bajolle
- German Heart Center Berlin, Department of Congenital Heart Disease, Pediatric Cardiology, DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Germany (F.B., S.S.)
| | - Heather J. Cordell
- Population Health Sciences Institute, Newcastle University, Newcastle, United Kingdom (H.J.C.)
| | - A.J. Agopian
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, UTHealth School of Public Health, Houston, TX (A.J.A.)
| | - Gillian M. Blue
- Heart Centre for Children, The Children’s Hospital at Westmead and Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Australia (G.M.B., D.S.W.)
| | | | | | - Christoph Preuss
- Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Université de Montréal, Québec, Canada (C.P., G.A.)
- The Jackson Laboratory, Bar Harbor, ME (C.P.)
| | - Elisabeth M. Lodder
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
- Department of Human Genetics, Amsterdam University Medical Centers, The Netherlands (D.S.-M., E.M.L., A.V.P.)
| | - Phil Barnett
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Aho Ilgun
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Leander Beekman
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
| | - Karel van Duijvenboden
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Regina Bokenkamp
- Division of Pediatric Cardiology, Department of Pediatrics (R.B., R.L.F.v.d.P.), Leiden University Medical Center, The Netherlands
| | - Martina Müller-Nurasyid
- Institute of Genetic Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany (M.M.-N.)
- IBE, Faculty of Medicine, LMU Munich, Germany (M.M.-N.)
- Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center, Johannes Gutenberg University, Mainz, Germany (M.M.-N.)
| | - Hubert W. Vliegen
- Department of Cardiology (H.W.V.), Leiden University Medical Center, The Netherlands
| | - Thelma C. Konings
- Department of Cardiology, Amsterdam University Medical Centers, VU Amsterdam, The Netherlands (T.C.K.)
| | - Joost P. van Melle
- Department of Cardiology, University Medical Center Groningen, University of Groningen, The Netherlands (J.P.v.M.)
| | - Arie P.J. van Dijk
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands (A.P.J.v.D., R.R.J.v.K.)
| | - Roland R.J. van Kimmenade
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands (A.P.J.v.D., R.R.J.v.K.)
- Department of Cardiology, Maastricht University Medical Center, The Netherlands (R.R.J.v.K.)
| | - Jolien W. Roos-Hesselink
- Department of Cardiology, Erasmus Medical Center, Erasmus University, Rotterdam, The Netherlands (J.W.R.-H.)
| | - Gertjan T. Sieswerda
- Department of Cardiology, University Medical Center Utrecht, The Netherlands (O.I.W., G.T.S., F.M.)
| | - Folkert Meijboom
- Department of Cardiology, University Medical Center Utrecht, The Netherlands (O.I.W., G.T.S., F.M.)
| | - Hashim Abdul-Khaliq
- Saarland University Medical Center, Department of Pediatric Cardiology, Homburg, Germany (H.A.-K.)
| | - Felix Berger
- Unité Médico-Chirurgicale de Cardiologie Congénitale et Pédiatrique, Centre de référence Malformations Cardiaques Congénitales Complexes - M3C, Hôpital Necker Enfants Malades, APHP and Université Paris Descartes, Sorbonne Paris Cité, Paris, France (F.B., D.B.)
- Charité, Universitätsmedizin Berlin, Department for Paediatric Cardiology, Germany (F.B.)
| | - Sven Dittrich
- Department of Pediatric Cardiology, Friedrich-Alexander-University of Erlangen-Nuernberg (FAU), Germany (S.D., J.M.)
| | - Marc-Phillip Hitz
- Department of Congenital Heart Disease and Pediatric Cardiology, University Hospital Schleswig-Holstein/Campus Kiel, DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Germany (M.-P.H.)
- Department of Human Genetics, University Medical Center Schleswig-Holstein, Kiel, Germany (M.-P.H.)
| | - Julia Moosmann
- Department of Pediatric Cardiology, Friedrich-Alexander-University of Erlangen-Nuernberg (FAU), Germany (S.D., J.M.)
| | - Frank-Thomas Riede
- Leipzig Heart Center, Department of Pediatric Cardiology, University of Leipzig, Germany (F.-T.R.)
| | - Stephan Schubert
- German Heart Center Berlin, Department of Congenital Heart Disease, Pediatric Cardiology, DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Germany (F.B., S.S.)
- Heart and Diabetes Center NRW, Center of Congenital Heart Disease, Ruhr-University of Bochum, Bad Oeynhausen, Germany (S.S.)
| | - Pilar Galan
- Sorbonne Paris Nord (Paris 13) University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center – University of Paris (CRESS), Bobigny, France (P.G.)
| | - Mark Lathrop
- McGill Genome Centre and Department of Human Genetics, McGill University, Montreal, Québec, Canada (M.L., H.M.M.)
| | - Hans M. Munter
- McGill Genome Centre and Department of Human Genetics, McGill University, Montreal, Québec, Canada (M.L., H.M.M.)
| | - Ammar Al-Chalabi
- Maurice Wohl Clinical Neuroscience Institute, Department of Basic and Clinical Neuroscience, King’s College London, United Kingdom (A.A.-C.)
| | - Christopher E. Shaw
- United Kingdom Dementia Research Institute Centre, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, United Kingdom (C.E.S.)
- Centre for Brain Research, University of Auckland, New Zealand (C.E.S.)
| | - Pamela J. Shaw
- Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield and NIHR Sheffield Biomedical Research Centre for Translational Neuroscience, United Kingdom (P.J.S.)
| | - Karen E. Morrison
- Faculty of Medicine Health & Life Sciences, Queens University Belfast, United Kingdom (K.E.M.)
| | - Jan H. Veldink
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands (J.H.V., L.H.v.d.B.)
| | - Leonard H. van den Berg
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands (J.H.V., L.H.v.d.B.)
| | - Sylvia Evans
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego (S.E.)
| | | | - Ivy Aneas
- Department of Human Genetics, University of Chicago, IL (M.A.N., I.A.)
| | | | - Thomas Meitinger
- Helmholtz Zentrum Munich, Institut of Human Genetics, Neuherberg, Germany (M.R.-B., T.M.)
- Division of Cardiology, Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada (T.M.)
| | - Erwin Oechslin
- Peter Munk Cardiac Center, Toronto Congenital Cardiac Centre for Adults and University of Toronto, Canada (E.O.)
| | - Tapas Mondal
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Germany (T.M.)
| | - Lynn Bergin
- Division of Cardiology, Department of Medicine, London Health Sciences Centre, ON, Canada (L.B.)
| | - John F. Smythe
- Division of Cardiology, Department of Pediatrics, Kingston General Hospital, ON, Canada (J.F.S.)
| | | | - Jane Lougheed
- Division of Cardiology, Department of Pediatrics, Children’s Hospital of Eastern Ontario, Ottawa, Canada (J.L.)
| | - Berto J. Bouma
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
| | - Marie-A. Chaix
- Department of Medicine, Cardiovascular Genetics Center, Montreal Heart Institute and Faculty of Medicine, Université de Montréal, Montreal, Québec, Canada (R.T., M.-A.C.)
| | - Jennie Kline
- Department of Epidemiology, Mailman School of Public Health, Columbia University, NY (J.K.)
| | - Anne S. Bassett
- Clinical Genetics Research Program, Centre for Addiction and Mental Health (A.S.B.)
- Department of Psychiatry, University of Toronto, Toronto General Hospital, University Health Network, Ontario, Canada (A.S.B.)
| | - Gregor Andelfinger
- Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Université de Montréal, Québec, Canada (C.P., G.A.)
| | - Roel L.F. van der Palen
- Division of Pediatric Cardiology, Department of Pediatrics (R.B., R.L.F.v.d.P.), Leiden University Medical Center, The Netherlands
| | - Patrice Bouvagnet
- CPDPN, Hôpital MFME, CHU Martinique, Fort de France, Martinique, France (P.B.)
| | - Sally-Ann B. Clur
- Department of Pediatric Cardiology, Emma Children’s Hospital Amsterdam University Medical Centers (AMC), The Netherlands (S.-A.B.C.)
- Centre for Congenital Heart Disease Amsterdam-Leiden (CAHAL) (S.-A.B.C.)
| | - Jeroen Breckpot
- Hubrecht Institute-KNAW and University Medical Center Utrecht, the Netherlands (F.T., J.B., C.J.B.)
- Center for Human Genetics University Hospitals KU Leuven, Belgium (J.B.)
| | | | - David S. Winlaw
- Heart Centre for Children, The Children’s Hospital at Westmead and Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Australia (G.M.B., D.S.W.)
| | - Ulrike M.M. Bauer
- National Register for Congenital Heart Defects, DZHK (German Centre for Cardiovascular Research), Berlin, Germany (U.M.M.B.)
| | - Seema Mital
- Hospital for Sick Children, University of Toronto, Ontario, Canada (S.M.)
| | - Elizabeth Goldmuntz
- Division of Cardiology, Children’s Hospital of Philadelphia and Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA (E.G.)
| | - Bernard Keavney
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester and Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, United Kingdom (B.K.)
| | - Damien Bonnet
- Unité Médico-Chirurgicale de Cardiologie Congénitale et Pédiatrique, Centre de référence Malformations Cardiaques Congénitales Complexes - M3C, Hôpital Necker Enfants Malades, APHP and Université Paris Descartes, Sorbonne Paris Cité, Paris, France (F.B., D.B.)
| | - Barbara J. Mulder
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
| | - Michael W.T. Tanck
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam Public Health (APH), Amsterdam University Medical Centers, University of Amsterdam, The Netherlands (M.W.T.T.)
| | - Jeroen Bakkers
- Division of Heart and Lungs, Department of Medical Physiology, University Medical Center Utrecht, the Netherlands (J.B.)
| | - Vincent M. Christoffels
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Cornelis J. Boogerd
- Hubrecht Institute-KNAW and University Medical Center Utrecht, the Netherlands (F.T., J.B., C.J.B.)
| | - Alex V. Postma
- Department of Human Genetics, Amsterdam University Medical Centers, The Netherlands (D.S.-M., E.M.L., A.V.P.)
- Department of Medical Biology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands (F.M.B., J.H.v.W., P.B., A.I., K.v.D., V.M.C., A.V.P.)
| | - Connie R. Bezzina
- Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Heart Center, Amsterdam Cardiovascular Sciences, The Netherlands (D.S.-M., R.T., O.I.W., F.V.Y.T., N.L., E.M.L., L.B., B.J.B., B.J.M., C.R.B.)
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14
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Cerrizuela S, Vega-Lopez GA, Méndez-Maldonado K, Velasco I, Aybar MJ. The crucial role of model systems in understanding the complexity of cell signaling in human neurocristopathies. WIREs Mech Dis 2022; 14:e1537. [PMID: 35023327 DOI: 10.1002/wsbm.1537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/26/2021] [Accepted: 08/30/2021] [Indexed: 11/07/2022]
Abstract
Animal models are useful to study the molecular, cellular, and morphogenetic mechanisms underlying normal and pathological development. Cell-based study models have emerged as an alternative approach to study many aspects of human embryonic development and disease. The neural crest (NC) is a transient, multipotent, and migratory embryonic cell population that generates a diverse group of cell types that arises during vertebrate development. The abnormal formation or development of the NC results in neurocristopathies (NCPs), which are characterized by a broad spectrum of functional and morphological alterations. The impaired molecular mechanisms that give rise to these multiphenotypic diseases are not entirely clear yet. This fact, added to the high incidence of these disorders in the newborn population, has led to the development of systematic approaches for their understanding. In this article, we have systematically reviewed the ways in which experimentation with different animal and cell model systems has improved our knowledge of NCPs, and how these advances might contribute to the development of better diagnostic and therapeutic tools for the treatment of these pathologies. This article is categorized under: Congenital Diseases > Genetics/Genomics/Epigenetics Congenital Diseases > Stem Cells and Development Congenital Diseases > Molecular and Cellular Physiology Neurological Diseases > Genetics/Genomics/Epigenetics.
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Affiliation(s)
- Santiago Cerrizuela
- Division of Molecular Neurobiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina
| | - Guillermo A Vega-Lopez
- Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Karla Méndez-Maldonado
- Instituto de Fisiología Celular - Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.,Departamento de Fisiología y Farmacología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Iván Velasco
- Instituto de Fisiología Celular - Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.,Laboratorio de Reprogramación Celular del Instituto de Fisiología Celular, UNAM en el Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", Ciudad de México, Mexico
| | - Manuel J Aybar
- Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
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15
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Palmquist-Gomes P, Meilhac SM. Shaping the mouse heart tube from the second heart field epithelium. Curr Opin Genet Dev 2022; 73:101896. [PMID: 35026527 DOI: 10.1016/j.gde.2021.101896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/12/2021] [Accepted: 12/15/2021] [Indexed: 11/03/2022]
Abstract
As other tubular organs, the embryonic heart develops from an epithelial sheet of cells, referred to as the heart field. The second heart field, which lies in the dorsal pericardial wall, constitutes a transient cell reservoir, integrating patterning and polarity cues. Conditional mutants have shown that impairment of the epithelial architecture of the second heart field is associated with congenital heart defects. Here, taking the mouse as a model, we review the epithelial properties of the second heart field and how they are modulated upon cardiomyocyte differentiation. Compared to other cases of tubulogenesis, the cellular dynamics in the second heart field are only beginning to be revealed. A challenge for the future will be to unravel key physical forces driving heart tube morphogenesis.
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Affiliation(s)
- Paul Palmquist-Gomes
- Université de Paris, Imagine- Institut Pasteur, Unit of Heart Morphogenesis, INSERM UMR1163, Paris, F-75015, France
| | - Sigolène M Meilhac
- Université de Paris, Imagine- Institut Pasteur, Unit of Heart Morphogenesis, INSERM UMR1163, Paris, F-75015, France.
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16
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Single cell multi-omic analysis identifies a Tbx1-dependent multilineage primed population in murine cardiopharyngeal mesoderm. Nat Commun 2021; 12:6645. [PMID: 34789765 PMCID: PMC8599455 DOI: 10.1038/s41467-021-26966-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022] Open
Abstract
The poles of the heart and branchiomeric muscles of the face and neck are formed from the cardiopharyngeal mesoderm within the pharyngeal apparatus. They are disrupted in patients with 22q11.2 deletion syndrome, due to haploinsufficiency of TBX1, encoding a T-box transcription factor. Here, using single cell RNA-sequencing, we now identify a multilineage primed population within the cardiopharyngeal mesoderm, marked by Tbx1, which has bipotent properties to form cardiac and branchiomeric muscle cells. The multilineage primed cells are localized within the nascent mesoderm of the caudal lateral pharyngeal apparatus and provide a continuous source of cardiopharyngeal mesoderm progenitors. Tbx1 regulates the maturation of multilineage primed progenitor cells to cardiopharyngeal mesoderm derivatives while restricting ectopic non-mesodermal gene expression. We further show that TBX1 confers this balance of gene expression by direct and indirect regulation of enriched genes in multilineage primed progenitors and downstream pathways, partly through altering chromatin accessibility, the perturbation of which can lead to congenital defects in individuals with 22q11.2 deletion syndrome.
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17
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Li J, Xu J, Jiang H, Zhang T, Ramakrishnan A, Shen L, Xu PX. Chromatin Remodelers Interact with Eya1 and Six2 to Target Enhancers to Control Nephron Progenitor Cell Maintenance. J Am Soc Nephrol 2021; 32:2815-2833. [PMID: 34716243 PMCID: PMC8806105 DOI: 10.1681/asn.2021040525] [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] [Received: 04/21/2021] [Accepted: 08/26/2021] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Eya1 is a critical regulator of nephron progenitor cell specification and interacts with Six2 to promote NPC self-renewal. Haploinsufficiency of these genes causes kidney hypoplasia. However, how the Eya1-centered network operates remains unknown. METHODS We engineered a 2×HA-3×Flag-Eya1 knock-in mouse line and performed coimmunoprecipitation with anti-HA or -Flag to precipitate the multitagged-Eya1 and its associated proteins. Loss-of-function, transcriptome profiling, and genome-wide binding analyses for Eya1's interacting chromatin-remodeling ATPase Brg1 were carried out. We assayed the activity of the cis-regulatory elements co-occupied by Brg1/Six2 in vivo. RESULTS Eya1 and Six2 interact with the Brg1-based SWI/SNF complex during kidney development. Knockout of Brg1 results in failure of metanephric mesenchyme formation and depletion of nephron progenitors, which has been linked to loss of Eya1 expression. Transcriptional profiling shows conspicuous downregulation of important regulators for nephrogenesis in Brg1-deficient cells, including Lin28, Pbx1, and Dchs1-Fat4 signaling, but upregulation of podocyte lineage, oncogenic, and cell death-inducing genes, many of which Brg1 targets. Genome-wide binding analysis identifies Brg1 occupancy to a distal enhancer of Eya1 that drives nephron progenitor-specific expression. We demonstrate that Brg1 enrichment to two distal intronic enhancers of Pbx1 and a proximal promoter region of Mycn requires Six2 activity and that these Brg1/Six2-bound enhancers govern nephron progenitor-specific expression in response to Six2 activity. CONCLUSIONS Our results reveal an essential role for Brg1, its downstream pathways, and its interaction with Eya1-Six2 in mediating the fine balance among the self-renewal, differentiation, and survival of nephron progenitors.
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Affiliation(s)
- Jun Li
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Jinshu Xu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Huihui Jiang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Ting Zhang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Aarthi Ramakrishnan
- Department of Neurosciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Li Shen
- Department of Neurosciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Pin-Xian Xu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York,Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York
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18
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Floy ME, Givens SE, Matthys OB, Mateyka TD, Kerr CM, Steinberg AB, Silva AC, Zhang J, Mei Y, Ogle BM, McDevitt TC, Kamp TJ, Palecek SP. Developmental lineage of human pluripotent stem cell-derived cardiac fibroblasts affects their functional phenotype. FASEB J 2021; 35:e21799. [PMID: 34339055 PMCID: PMC8349112 DOI: 10.1096/fj.202100523r] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/15/2021] [Accepted: 06/30/2021] [Indexed: 01/24/2023]
Abstract
Cardiac fibroblasts (CFBs) support heart function by secreting extracellular matrix (ECM) and paracrine factors, respond to stress associated with injury and disease, and therefore are an increasingly important therapeutic target. We describe how developmental lineage of human pluripotent stem cell-derived CFBs, epicardial (EpiC-FB), and second heart field (SHF-FB) impacts transcriptional and functional properties. Both EpiC-FBs and SHF-FBs exhibited CFB transcriptional programs and improved calcium handling in human pluripotent stem cell-derived cardiac tissues. We identified differences including in composition of ECM synthesized, secretion of growth and differentiation factors, and myofibroblast activation potential, with EpiC-FBs exhibiting higher stress-induced activation potential akin to myofibroblasts and SHF-FBs demonstrating higher calcification and mineralization potential. These phenotypic differences suggest that EpiC-FBs have utility in modeling fibrotic diseases while SHF-FBs are a promising source of cells for regenerative therapies. This work directly contrasts regional and developmental specificity of CFBs and informs CFB in vitro model selection.
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Affiliation(s)
- Martha E Floy
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Sophie E Givens
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Oriane B Matthys
- UC Berkeley-UC San Francisco Graduate Program in Bioengineering, Berkley, CA, USA
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Taylor D Mateyka
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Charles M Kerr
- Molecular Cell Biology and Pathobiology Program, Medical University of South Carolina, Charleston, SC, USA
| | - Alexandra B Steinberg
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Ana C Silva
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Jianhua Zhang
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Ying Mei
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Brenda M Ogle
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Todd C McDevitt
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Timothy J Kamp
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Sean P Palecek
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
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19
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George RM, Firulli AB. Epigenetics and Heart Development. Front Cell Dev Biol 2021; 9:637996. [PMID: 34026751 PMCID: PMC8136428 DOI: 10.3389/fcell.2021.637996] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/26/2021] [Indexed: 11/24/2022] Open
Abstract
Epigenetic control of gene expression during cardiac development and disease has been a topic of intense research in recent years. Advances in experimental methods to study DNA accessibility, transcription factor occupancy, and chromatin conformation capture technologies have helped identify regions of chromatin structure that play a role in regulating access of transcription factors to the promoter elements of genes, thereby modulating expression. These chromatin structures facilitate enhancer contacts across large genomic distances and function to insulate genes from cis-regulatory elements that lie outside the boundaries for the gene of interest. Changes in transcription factor occupancy due to changes in chromatin accessibility have been implicated in congenital heart disease. However, the factors controlling this process and their role in changing gene expression during development or disease remain unclear. In this review, we focus on recent advances in the understanding of epigenetic factors controlling cardiac morphogenesis and their role in diseases.
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Affiliation(s)
- Rajani M George
- Herman B Wells Center for Pediatric Research Department of Pediatrics, Anatomy, Biochemistry, and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Anthony B Firulli
- Herman B Wells Center for Pediatric Research Department of Pediatrics, Anatomy, Biochemistry, and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, United States
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20
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Wu Y, Jin X, Zhang Y, Zheng J, Yang R. Genetic and epigenetic mechanisms in the development of congenital heart diseases. WORLD JOURNAL OF PEDIATRIC SURGERY 2021; 4:e000196. [DOI: 10.1136/wjps-2020-000196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 03/28/2021] [Accepted: 03/30/2021] [Indexed: 02/06/2023] Open
Abstract
Congenital heart disease (CHD) is the most common of congenital cardiovascular malformations associated with birth defects, and it results in significant morbidity and mortality worldwide. The classification of CHD is still elusive owing to the complex pathogenesis of CHD. Advances in molecular medicine have revealed the genetic basis of some heart anomalies. Genes associated with CHD might be modulated by various epigenetic factors. Thus, the genetic and epigenetic factors are gradually accepted as important triggers in the pathogenesis of CHD. However, few literatures have comprehensively elaborated the genetic and epigenetic mechanisms of CHD. This review focuses on the etiology of CHD from genetics and epigenetics to discuss the role of these factors in the development of CHD. The interactions between genetic and epigenetic in the pathogenesis of CHD are also elaborated. Chromosome abnormalities and gene mutations in genetics, and DNA methylations, histone modifications and on-coding RNAs in epigenetics are summarized in detail. We hope the summative knowledge of these etiologies may be useful for improved diagnosis and further elucidation of CHD so that morbidity and mortality of children with CHD can be reduced in the near future.
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21
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Zhu Y, Wang H, Fei M, Tang T, Niu W, Zhang L. Smarcd1 Inhibits the Malignant Phenotypes of Human Glioblastoma Cells via Crosstalk with Notch1. Mol Neurobiol 2021; 58:1438-1452. [PMID: 33190170 PMCID: PMC7932991 DOI: 10.1007/s12035-020-02190-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 10/29/2020] [Indexed: 11/29/2022]
Abstract
Smarcd1 is a component of an evolutionary conserved chromatin remodeling complex-SWI/SNF, which is involved in transcription factor recruitment, DNA replication, recombination, and repair. Suppression of the SWI/SNF complex required for cellular differentiation and gene regulation may be inducible for cell proliferation and tumorigenicity. However, the inhibitory role of Smarcd1 in human glioblastoma cells has not been well illustrated. Both U87 and U251 human glioblastoma cell lines were employed in the present study. The lentivirus-mediated gene knockdown and overexpression approach was conducted to determine the function of Smarcd1. The protein levels were tested by western blot, and the relative mRNA contents were detected by quantitative real-time PCR. Cell viability was tested by CCK-8 and colony-forming assay. Transwell assays were utilized to evaluate the motility and invasive ability. Flow cytometry was employed to analyze cell cycle and apoptosis. SPSS software was used for statistical analysis. Low expression of Smarcd1 was observed in glioblastoma cell lines and in patients with high-grade glioma. Importantly, the depletion of Smarcd1 promoted cell proliferation, invasion, and chemoresistance, whereas enhanced expression of Smarcd1 inhibited tumor-malignant phenotypes. Mechanistic research demonstrated that overexpression of Smarcd1 decreased the expression of Notch1, while knockdown of Notch1 increased the expression of Smarcd1 through Hes1 suppression. Hence, the crosstalk between Smarcd1 and Notch1, which formed a feedback loop, was crucial in regulation of glioblastoma malignant phenotypes. Furthermore, targeting Smarcd1 could be a potential strategy for human glioblastoma treatment.
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Affiliation(s)
- Yihao Zhu
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
- Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China.
| | - Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
| | - Ting Tang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
| | - Wenhao Niu
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
| | - Li Zhang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
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22
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Cirino A, Aurigemma I, Franzese M, Lania G, Righelli D, Ferrentino R, Illingworth E, Angelini C, Baldini A. Chromatin and Transcriptional Response to Loss of TBX1 in Early Differentiation of Mouse Cells. Front Cell Dev Biol 2020; 8:571501. [PMID: 33015063 PMCID: PMC7505952 DOI: 10.3389/fcell.2020.571501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/18/2020] [Indexed: 12/19/2022] Open
Abstract
The T-box transcription factor TBX1 has critical roles in the cardiopharyngeal lineage and the gene is haploinsufficient in DiGeorge syndrome, a typical developmental anomaly of the pharyngeal apparatus. Despite almost two decades of research, if and how TBX1 function triggers chromatin remodeling is not known. Here, we explored genome-wide gene expression and chromatin remodeling in two independent cellular models of Tbx1 loss of function, mouse embryonic carcinoma cells P19Cl6, and mouse embryonic stem cells (mESCs). The results of our study revealed that the loss or knockdown of TBX1 caused extensive transcriptional changes, some of which were cell type-specific, some were in common between the two models. However, unexpectedly we observed only limited chromatin changes in both systems. In P19Cl6 cells, differentially accessible regions (DARs) were not enriched in T-BOX binding motifs; in contrast, in mESCs, 34% (n = 47) of all DARs included a T-BOX binding motif and almost all of them gained accessibility in Tbx1 -/- cells. In conclusion, despite a clear transcriptional response of our cell models to loss of TBX1 in early cell differentiation, chromatin changes were relatively modest.
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Affiliation(s)
- Andrea Cirino
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
| | - Ilaria Aurigemma
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | - Monica Franzese
- Institute Applicazioni del Calcolo, National Research Council, Naples, Italy
| | - Gabriella Lania
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
| | - Dario Righelli
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | - Rosa Ferrentino
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
| | | | - Claudia Angelini
- Institute Applicazioni del Calcolo, National Research Council, Naples, Italy
| | - Antonio Baldini
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
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23
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Rashid A, Wang R, Zhang L, Yue J, Yang M, Yen A. Dissecting the novel partners of nuclear c-Raf and its role in all-trans retinoic acid (ATRA)-induced myeloblastic leukemia cells differentiation. Exp Cell Res 2020; 394:111989. [PMID: 32283065 PMCID: PMC10656057 DOI: 10.1016/j.yexcr.2020.111989] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/25/2020] [Accepted: 04/02/2020] [Indexed: 01/09/2023]
Abstract
All-trans retinoic acid (ATRA) is an anti-cancer differentiation therapy agent effective for acute promyelocytic leukemia (APL) but not acute myeloid leukemia (AML) in general. Using the HL-60 human non-APL AML model where ATRA causes nuclear enrichment of c-Raf that drives differentiation and G1/G0 cell cycle arrest, we now observe that c-Raf in the nucleus showed novel interactions with several prominent regulators of the cell cycle and cell differentiation. One is cyclin-dependent kinase 2 (Cdk2). ATRA treatment caused c-Raf to dissociate from Cdk2. This was associated with enhanced binding of Cdk2 with retinoic acid receptor α (RARα). Consistent with this novel Raf/CDK2/RARα axis contributing to differentiation, CD38 expression per cell, which is transcriptionally regulated by a retinoic acid response element (RARE), is enhanced. The RB tumor suppressor, a fundamental regulator of G1 cell cycle progression or arrest, was also targeted by c-Raf in the nucleus. RB and specifically the S608 phosphorylated form (pS608RB) complexed with c-Raf. ATRA treatment induced S608RB-hypophosphorylation associated with G1/G0 cell cycle arrest and release of c-Raf from RB. We also found that nuclear c-Raf interacted with SMARCD1, a pioneering component of the SWI/SNF chromatin remodeling complex. ATRA treatment diminished the amount of this protein bound to c-Raf. The data suggest that ATRA treatment to HL-60 human cells re-directed c-Raf from its historically pro-proliferation functions in the cytoplasm to pro-differentiation functions in the nucleus.
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Affiliation(s)
- Asif Rashid
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China; Department of Biomedical Sciences, Cornell University, Ithaca, NY 14853, USA; Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong SAR, China
| | - Rui Wang
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China; Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, China
| | - Liang Zhang
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China; Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, China
| | - Jianbo Yue
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Mengsu Yang
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China.
| | - Andrew Yen
- Department of Biomedical Sciences, Cornell University, Ithaca, NY 14853, USA.
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24
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Markan KR, Boland LK, King-McAlpin AQ, Claflin KE, Leaman MP, Kemerling MK, Stonewall MM, Amendt BA, Ankrum JA, Potthoff MJ. Adipose TBX1 regulates β-adrenergic sensitivity in subcutaneous adipose tissue and thermogenic capacity in vivo. Mol Metab 2020; 36:100965. [PMID: 32240964 PMCID: PMC7115112 DOI: 10.1016/j.molmet.2020.02.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/07/2020] [Accepted: 02/11/2020] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE T-box 1 (TBX1) has been identified as a genetic marker of beige adipose tissue. TBX1 is a mesodermal development transcription factor essential for tissue patterning and cell fate determination. However, whether it plays a role in the process of adipose beiging or how it functions in adipose tissue has not been reported. Here, we examined the function of TBX1 in adipose tissue as well as adipose-derived stem cells from mice and humans. METHODS Adipose-specific TBX1 transgenic (TBX1 AdipoTG) and adipose-specific TBX1 knockout (TBX1 AdipoKO) mice were generated to explore the function of TBX1 in the process of adipose beiging, metabolism and energy homeostasis in vivo. In vitro, we utilized a siRNA mediated approach to determine the function of TBX1 during adipogenesis in mouse and human stem cells. RESULTS Adipose-specific overexpression of TBX1 was not sufficient to fully induce beiging and prevent diet-induced obesity. However, adipose TBX1 expression was necessary to defend body temperature during cold through regulation of UCP1 and for maintaining β3-adrenergic sensitivity and glucose homeostasis in vivo. Loss of adipose TBX1 expression enhanced basal lipolysis and reduced the size of subcutaneous iWAT adipocytes. Reduction of TBX1 expression via siRNA significantly impaired adipogenesis of mouse stromal vascular cells but significantly enhanced adipogenesis in human adipose derived stem cells. CONCLUSIONS Adipose expression of TBX1 is necessary, but not sufficient, to defend body temperature during cold via proper UCP1 expression. Adipose TBX1 expression was also required for proper insulin signaling in subcutaneous adipose as well as for maintaining β-adrenergic sensitivity, but overexpression of TBX1 was not sufficient to induce adipocyte beiging or to prevent diet-induced obesity. TBX1 expression is enriched in adipose stem cells in which it has contrasting effects on adipogenesis in mouse versus human cells. Collectively, these data demonstrate the importance of adipose TBX1 in the regulation of beige adipocyte function, energy homeostasis, and adipocyte development.
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Affiliation(s)
- Kathleen R Markan
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA.
| | - Lauren K Boland
- Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA; Roy J. Carver Department of Biomedical Engineering, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, USA
| | - Abdul Qaadir King-McAlpin
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA
| | - Kristin E Claflin
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA; Iowa Neurosciences Institute, Iowa City, IA, 52242, USA
| | - Michael P Leaman
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA
| | - Morgan K Kemerling
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA
| | - Madison M Stonewall
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA
| | - Brad A Amendt
- Department of Anatomy and Cell Biology and the Craniofacial Anomalies Research Center, Iowa City, IA, 52242, USA
| | - James A Ankrum
- Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA; Roy J. Carver Department of Biomedical Engineering, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, USA
| | - Matthew J Potthoff
- Department of Neuroscience and Pharmacology, Iowa City, IA, 52242, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, 52242, USA; Iowa Neurosciences Institute, Iowa City, IA, 52242, USA; Department of Veterans Affairs Medical Center, Iowa City, IA, 52242, USA
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25
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Oboli G, Chukwuma D, Fagbule O, Abe E, Adisa A. MOLECULAR GENETICS OF CLEFT LIP AND PALATE: A REVIEW. Ann Ib Postgrad Med 2020; 18:S16-S21. [PMID: 33071691 PMCID: PMC7513377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- G.O. Oboli
- College of Medicine, University of Ibadan, Ibadan
| | - D.I. Chukwuma
- Department of Periodontology and Community Dentistry, University College Hospital, Ibadan
| | - O.F. Fagbule
- Department of Periodontology and Community Dentistry, University College Hospital, Ibadan
| | - E.O. Abe
- Department of Oral Pathology and Oral Medicine, University College Hospital, Ibadan
| | - A.O. Adisa
- College of Medicine, University of Ibadan, Ibadan, Department of Oral Pathology and Oral Medicine, University College Hospital, Ibadan
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26
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Du Q, de la Morena MT, van Oers NSC. The Genetics and Epigenetics of 22q11.2 Deletion Syndrome. Front Genet 2020; 10:1365. [PMID: 32117416 PMCID: PMC7016268 DOI: 10.3389/fgene.2019.01365] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 12/12/2019] [Indexed: 12/19/2022] Open
Abstract
Chromosome 22q11.2 deletion syndrome (22q11.2del) is a complex, multi-organ disorder noted for its varying severity and penetrance among those affected. The clinical problems comprise congenital malformations; cardiac problems including outflow tract defects, hypoplasia of the thymus, hypoparathyroidism, and/or dysmorphic facial features. Additional clinical issues that can appear over time are autoimmunity, renal insufficiency, developmental delay, malignancy and neurological manifestations such as schizophrenia. The majority of individuals with 22q11.2del have a 3 Mb deletion of DNA on chromosome 22, leading to a haploinsufficiency of ~106 genes, which comprise coding RNAs, noncoding RNAs, and pseudogenes. The consequent haploinsufficiency of many of the coding genes are well described, including the key roles of T-box Transcription Factor 1 (TBX1) and DiGeorge Critical Region 8 (DGCR8) in the clinical phenotypes. However, the haploinsufficiency of these genes alone cannot account for the tremendous variation in the severity and penetrance of the clinical complications among those affected. Recent RNA and DNA sequencing approaches are uncovering novel genetic and epigenetic differences among 22q11.2del patients that can influence disease severity. In this review, the role of coding and non-coding genes, including microRNAs (miRNA) and long noncoding RNAs (lncRNAs), will be discussed in relation to their bearing on 22q11.2del with an emphasis on TBX1.
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Affiliation(s)
- Qiumei Du
- Department of Immunology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - M. Teresa de la Morena
- Department of Pediatrics, The University of Washington and Seattle Children’s Hospital, Seattle, WA, United States
| | - Nicolai S. C. van Oers
- Department of Immunology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
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TBX1 and Basal Cell Carcinoma: Expression and Interactions with Gli2 and Dvl2 Signaling. Int J Mol Sci 2020; 21:ijms21020607. [PMID: 31963474 PMCID: PMC7014135 DOI: 10.3390/ijms21020607] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 12/16/2022] Open
Abstract
Early events of basal cell carcinoma (BCC) tumorigenesis are triggered by inappropriate activation of SHH signaling, via the loss of Patched1 (Ptch1) or by activating mutations of Smoothened (Smo). TBX1 is a key regulator of pharyngeal development, mainly through expression in multipotent progenitor cells of the cardiopharyngeal lineage. This transcription factor is connected to several major signaling systems, such as FGF, WNT, and SHH, and it has been linked to cell proliferation and to the regulation of cell shape and cell dynamics. Here, we show that TBX1 was expressed in all of the 51 BCC samples that we have tested, while in healthy human skin it was only expressed in the hair follicle. Signal intensity and distribution was heterogeneous among tumor samples. Experiments performed on a cellular model of mouse BCC showed that Tbx1 is downstream to GLI2, a factor in the SHH signaling, and that, in turn, it regulates the expression of Dvl2, which encodes an adaptor protein that is necessary for the transduction of WNT signaling. Consistently, Tbx1 depletion in the cellular model significantly reduced cell migration. These results suggest that TBX1 is part of a core transcription network that promotes BCC tumorigenesis.
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28
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Genetics of Congenital Heart Disease. Biomolecules 2019; 9:biom9120879. [PMID: 31888141 PMCID: PMC6995556 DOI: 10.3390/biom9120879] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 12/12/2022] Open
Abstract
Congenital heart disease (CHD) is one of the most common birth defects. Studies in animal models and humans have indicated a genetic etiology for CHD. About 400 genes have been implicated in CHD, encompassing transcription factors, cell signaling molecules, and structural proteins that are important for heart development. Recent studies have shown genes encoding chromatin modifiers, cilia related proteins, and cilia-transduced cell signaling pathways play important roles in CHD pathogenesis. Elucidating the genetic etiology of CHD will help improve diagnosis and the development of new therapies to improve patient outcomes.
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Barreto S, Hamel L, Schiatti T, Yang Y, George V. Cardiac Progenitor Cells from Stem Cells: Learning from Genetics and Biomaterials. Cells 2019; 8:E1536. [PMID: 31795206 PMCID: PMC6952950 DOI: 10.3390/cells8121536] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 02/07/2023] Open
Abstract
Cardiac Progenitor Cells (CPCs) show great potential as a cell resource for restoring cardiac function in patients affected by heart disease or heart failure. CPCs are proliferative and committed to cardiac fate, capable of generating cells of all the cardiac lineages. These cells offer a significant shift in paradigm over the use of human induced pluripotent stem cell (iPSC)-derived cardiomyocytes owing to the latter's inability to recapitulate mature features of a native myocardium, limiting their translational applications. The iPSCs and direct reprogramming of somatic cells have been attempted to produce CPCs and, in this process, a variety of chemical and/or genetic factors have been evaluated for their ability to generate, expand, and maintain CPCs in vitro. However, the precise stoichiometry and spatiotemporal activity of these factors and the genetic interplay during embryonic CPC development remain challenging to reproduce in culture, in terms of efficiency, numbers, and translational potential. Recent advances in biomaterials to mimic the native cardiac microenvironment have shown promise to influence CPC regenerative functions, while being capable of integrating with host tissue. This review highlights recent developments and limitations in the generation and use of CPCs from stem cells, and the trends that influence the direction of research to promote better application of CPCs.
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Affiliation(s)
- Sara Barreto
- Guy Hilton Research Centre, School of Pharmacy & Bioengineering, Keele University, Staffordshire ST4 7QB, UK; (S.B.); (T.S.); (Y.Y.)
| | | | - Teresa Schiatti
- Guy Hilton Research Centre, School of Pharmacy & Bioengineering, Keele University, Staffordshire ST4 7QB, UK; (S.B.); (T.S.); (Y.Y.)
| | - Ying Yang
- Guy Hilton Research Centre, School of Pharmacy & Bioengineering, Keele University, Staffordshire ST4 7QB, UK; (S.B.); (T.S.); (Y.Y.)
| | - Vinoj George
- Guy Hilton Research Centre, School of Pharmacy & Bioengineering, Keele University, Staffordshire ST4 7QB, UK; (S.B.); (T.S.); (Y.Y.)
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Li D, Angermeier A, Wang J. Planar cell polarity signaling regulates polarized second heart field morphogenesis to promote both arterial and venous pole septation. Development 2019; 146:dev181719. [PMID: 31488563 PMCID: PMC6826042 DOI: 10.1242/dev.181719] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/23/2019] [Indexed: 12/19/2022]
Abstract
The second heart field (SHF) harbors progenitors that are important for heart formation, but little is known about its morphogenesis. We show that SHF population in the mouse splanchnic mesoderm (SpM-SHF) undergoes polarized morphogenesis to preferentially elongate anteroposteriorly. Loss of Wnt5, a putative ligand of the planar cell polarity (PCP) pathway, causes the SpM-SHF to expand isotropically. Temporal tracking reveals that the Wnt5a lineage is a unique subpopulation specified as early as E7.5, and undergoes bi-directional deployment to form specifically the pulmonary trunk and the dorsal mesenchymal protrusion (DMP). In Wnt5a-/- mutants, Wnt5a lineage fails to extend into the arterial and venous poles, leading to both outflow tract and atrial septation defects that can be rescued by an activated form of PCP effector Daam1. We identify oriented actomyosin cables in the medial SpM-SHF as a potential Wnt5a-mediated mechanism that promotes SpM-SHF lengthening and restricts its widening. Finally, the Wnt5a lineage also contributes to the pulmonary mesenchyme, suggesting that Wnt5a/PCP is a molecular circuit recruited by the recently identified cardiopulmonary progenitors to coordinate morphogenesis of the pulmonary airways and the cardiac septations necessary for pulmonary circulation.This article has an associated 'The people behind the papers' interview.
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Affiliation(s)
- Ding Li
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
| | - Allyson Angermeier
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
| | - Jianbo Wang
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
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Epigenetics and Mechanobiology in Heart Development and Congenital Heart Disease. Diseases 2019; 7:diseases7030052. [PMID: 31480510 PMCID: PMC6787645 DOI: 10.3390/diseases7030052] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/30/2019] [Accepted: 08/30/2019] [Indexed: 12/14/2022] Open
Abstract
: Congenital heart disease (CHD) is the most common birth defect worldwide and the number one killer of live-born infants in the United States. Heart development occurs early in embryogenesis and involves complex interactions between multiple cell populations, limiting the understanding and consequent treatment of CHD. Furthermore, genome sequencing has largely failed to predict or yield therapeutics for CHD. In addition to the underlying genome, epigenetics and mechanobiology both drive heart development. A growing body of evidence implicates the aberrant regulation of these two extra-genomic systems in the pathogenesis of CHD. In this review, we describe the stages of human heart development and the heart defects known to manifest at each stage. Next, we discuss the distinct and overlapping roles of epigenetics and mechanobiology in normal development and in the pathogenesis of CHD. Finally, we highlight recent advances in the identification of novel epigenetic biomarkers and environmental risk factors that may be useful for improved diagnosis and further elucidation of CHD etiology.
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Abstract
The vertebrate heart tube forms from epithelial progenitor cells in the early embryo and subsequently elongates by progressive addition of second heart field (SHF) progenitor cells from adjacent splanchnic mesoderm. Failure to maximally elongate the heart results in a spectrum of morphological defects affecting the cardiac poles, including outflow tract alignment and atrioventricular septal defects, among the most common congenital birth anomalies. SHF cells constitute an atypical apicobasally polarized epithelium with dynamic basal filopodia, located in the dorsal wall of the pericardial cavity. Recent studies have highlighted the importance of epithelial architecture and cell adhesion in the SHF, particularly for signaling events that control the progenitor cell niche during heart tube elongation. The 22q11.2 deletion syndrome gene Tbx1 regulates progenitor cell status through modulating cell shape and filopodial activity and is required for SHF contributions to both cardiac poles. Noncanonical Wnt signaling and planar cell polarity pathway genes control epithelial polarity in the dorsal pericardial wall, as progenitor cells differentiate in a transition zone at the arterial pole. Defects in these pathways lead to outflow tract shortening. Moreover, new biomechanical models of heart tube elongation have been proposed based on analysis of tissue-wide forces driving epithelial morphogenesis in the SHF, including regional cell intercalation, cell cohesion, and epithelial tension. Regulation of the epithelial properties of SHF cells is thus emerging as a key step during heart tube elongation, adding a new facet to our understanding of the mechanisms underlying both heart morphogenesis and congenital heart defects.
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Affiliation(s)
- Claudio Cortes
- From Aix-Marseille University, CNRS UMR 7288, Developmental Biology Institute of Marseille, France
| | - Alexandre Francou
- From Aix-Marseille University, CNRS UMR 7288, Developmental Biology Institute of Marseille, France
| | - Christopher De Bono
- From Aix-Marseille University, CNRS UMR 7288, Developmental Biology Institute of Marseille, France
| | - Robert G Kelly
- From Aix-Marseille University, CNRS UMR 7288, Developmental Biology Institute of Marseille, France.
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SETD7 Drives Cardiac Lineage Commitment through Stage-Specific Transcriptional Activation. Cell Stem Cell 2019; 22:428-444.e5. [PMID: 29499155 DOI: 10.1016/j.stem.2018.02.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 12/15/2017] [Accepted: 02/07/2018] [Indexed: 01/01/2023]
Abstract
Cardiac development requires coordinated and large-scale rearrangements of the epigenome. The roles and precise mechanisms through which specific epigenetic modifying enzymes control cardiac lineage specification, however, remain unclear. Here we show that the H3K4 methyltransferase SETD7 controls cardiac differentiation by reading H3K36 marks independently of its enzymatic activity. Through chromatin immunoprecipitation sequencing (ChIP-seq), we found that SETD7 targets distinct sets of genes to drive their stage-specific expression during cardiomyocyte differentiation. SETD7 associates with different co-factors at these stages, including SWI/SNF chromatin-remodeling factors during mesodermal formation and the transcription factor NKX2.5 in cardiac progenitors to drive their differentiation. Further analyses revealed that SETD7 binds methylated H3K36 in the bodies of its target genes to facilitate RNA polymerase II (Pol II)-dependent transcription. Moreover, abnormal SETD7 expression impairs functional attributes of terminally differentiated cardiomyocytes. Together, these results reveal how SETD7 acts at sequential steps in cardiac lineage commitment, and they provide insights into crosstalk between dynamic epigenetic marks and chromatin-modifying enzymes.
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Liu J, Cheng H, Xiang M, Zhou L, Wu B, Moskowitz IP, Zhang K, Xie L. Gata4 regulates hedgehog signaling and Gata6 expression for outflow tract development. PLoS Genet 2019; 15:e1007711. [PMID: 31120883 PMCID: PMC6550424 DOI: 10.1371/journal.pgen.1007711] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 06/05/2019] [Accepted: 05/07/2019] [Indexed: 01/09/2023] Open
Abstract
Dominant mutations of Gata4, an essential cardiogenic transcription factor (TF), were known to cause outflow tract (OFT) defects in both human and mouse, but the underlying molecular mechanism was not clear. In this study, Gata4 haploinsufficiency in mice was found to result in OFT defects including double outlet right ventricle (DORV) and ventricular septum defects (VSDs). Gata4 was shown to be required for Hedgehog (Hh)-receiving progenitors within the second heart field (SHF) for normal OFT alignment. Restored cell proliferation in the SHF by knocking-down Pten failed to rescue OFT defects, suggesting that additional cell events under Gata4 regulation is important. SHF Hh-receiving cells failed to migrate properly into the proximal OFT cushion, which is associated with abnormal EMT and cell proliferation in Gata4 haploinsufficiency. The genetic interaction of Hh signaling and Gata4 is further demonstrated to be important for OFT development. Gata4 and Smo double heterozygotes displayed more severe OFT abnormalities including persistent truncus arteriosus (PTA). Restoration of Hedgehog signaling renormalized SHF cell proliferation and migration, and rescued OFT defects in Gata4 haploinsufficiency. In addition, there was enhanced Gata6 expression in the SHF of the Gata4 heterozygotes. The Gata4-responsive repressive sites were identified within 1kbp upstream of the transcription start site of Gata6 by both ChIP-qPCR and luciferase reporter assay. These results suggested a SHF regulatory network comprising of Gata4, Gata6 and Hh-signaling for OFT development. Gata4 is an important transcription factor that regulates the development of the heart. Human possessing a single copy of Gata4 mutation display congenital heart defects (CHD), including double outlet right ventricle (DORV). DORV is an alignment problem in which both the Aorta and Pulmonary Artery originate from the right ventricle, instead of originating from the left and the right ventricles, respectively. In this study, a Gata4 mutant mouse model was used to study how Gata4 mutations cause DORV. We showed that Gata4 is required in the cardiac precursor cells for the normal alignment of the great arteries. Although Gata4 mutations inhibit the rapid increase in the cardiac precursor cell numbers, resolving this problem does not recover the normal alignment of the great arteries. It indicates that there is a migratory issue of the cardiac precursor cells as they navigate to the great arteries during development. The study further showed that a specific molecular signaling, Hh-signaling and Gata6 are responsible to the Gata4 action in the cardiac precursor cells. Importantly, over-activation of the Hh-signaling pathways rescues the DORV in the Gata4 mutant embryos. This study provides a molecular model to explain the ontogeny of a subtype of CHD.
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Affiliation(s)
- Jielin Liu
- Department of Nutrition and Food Sciences, Texas A&M University, College Station, Texas, United States of America
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, North Dakota, United States of America
| | - Henghui Cheng
- Department of Nutrition and Food Sciences, Texas A&M University, College Station, Texas, United States of America
- Tongji Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Menglan Xiang
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, North Dakota, United States of America
| | - Lun Zhou
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, North Dakota, United States of America
- Tongji Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Bingruo Wu
- Departments of Genetics, Pediatrics, and Medicine (Cardiology), Albert Einstein College of Medicine of Yeshiva University, Bronx, NY, United States of America
| | - Ivan P. Moskowitz
- Departments of Pathology and Pediatrics, The University of Chicago, Chicago, Illinois, United States of America
| | - Ke Zhang
- Department of Nutrition and Food Sciences, Texas A&M University, College Station, Texas, United States of America
- Center for Epigenetics & Disease Prevention, Institute of Biosciences & Technology, College of Medicine, Texas A&M University, Houston, Texas, United States of America
| | - Linglin Xie
- Department of Nutrition and Food Sciences, Texas A&M University, College Station, Texas, United States of America
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, North Dakota, United States of America
- * E-mail:
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Chow MZY, Sadrian SN, Keung W, Geng L, Ren L, Kong CW, Wong AOT, Hulot JS, Chen CS, Costa KD, Hajjar RJ, Li RA. Modulation of chromatin remodeling proteins SMYD1 and SMARCD1 promotes contractile function of human pluripotent stem cell-derived ventricular cardiomyocyte in 3D-engineered cardiac tissues. Sci Rep 2019; 9:7502. [PMID: 31097748 PMCID: PMC6522495 DOI: 10.1038/s41598-019-42953-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 04/11/2019] [Indexed: 02/07/2023] Open
Abstract
Human embryonic stem cells (hESCs) and induced pluripotent stem cells (iPSCs) have the ability of differentiating into functional cardiomyocytes (CMs) for cell replacement therapy, tissue engineering, drug discovery and toxicity screening. From a scale-free, co-expression network analysis of transcriptomic data that distinguished gene expression profiles of undifferentiated hESC, hESC-, fetal- and adult-ventricular(V) CM, two candidate chromatin remodeling proteins, SMYD1 and SMARCD1 were found to be differentially expressed. Using lentiviral transduction, SMYD1 and SMARCD1 were over-expressed and suppressed, respectively, in single hESC-VCMs as well as the 3D constructs Cardiac Micro Tissues (CMT) and Tissue Strips (CTS) to mirror the endogenous patterns, followed by dissection of their roles in controlling cardiac gene expression, contractility, Ca2+-handling, electrophysiological functions and in vitro maturation. Interestingly, compared to independent single transductions, simultaneous SMYD1 overexpression and SMARCD1 suppression in hESC-VCMs synergistically interacted to increase the contractile forces of CMTs and CTSs with up-regulated transcripts for cardiac contractile, Ca2+-handing, and ion channel proteins. Certain effects that were not detected at the single-cell level could be unleashed under 3D environments. The two chromatin remodelers SMYD1 and SMARCD1 play distinct roles in cardiac development and maturation, consistent with the notion that epigenetic priming requires triggering signals such as 3D environmental cues for pro-maturation effects.
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Affiliation(s)
- Maggie Zi-Ying Chow
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong.,School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong.,Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet, Shatin, Hong Kong
| | - Stephanie N Sadrian
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Wendy Keung
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong.,School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong.,Dr. Li Dak-Sum Research Centre, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Lin Geng
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong.,Dr. Li Dak-Sum Research Centre, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Lihuan Ren
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Chi-Wing Kong
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong.,School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Andy On-Tik Wong
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong.,School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Jean-Sebastien Hulot
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Sorbonne Universités, UPMC Univ Paris 06, Institute of Cardiometabolism and Nutrition (ICAN), Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Christopher S Chen
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA.,The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, USA
| | - Kevin D Costa
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Roger J Hajjar
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Ronald A Li
- Stem Cell and Regenerative Medicine Consortium, The University of Hong Kong, Pok Fu Lam, Hong Kong. .,School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong. .,Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet, Shatin, Hong Kong. .,Dr. Li Dak-Sum Research Centre, The University of Hong Kong, Pok Fu Lam, Hong Kong.
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Song YC, Dohn TE, Rydeen AB, Nechiporuk AV, Waxman JS. HDAC1-mediated repression of the retinoic acid-responsive gene ripply3 promotes second heart field development. PLoS Genet 2019; 15:e1008165. [PMID: 31091225 PMCID: PMC6538190 DOI: 10.1371/journal.pgen.1008165] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/28/2019] [Accepted: 04/28/2019] [Indexed: 12/25/2022] Open
Abstract
Coordinated transcriptional and epigenetic mechanisms that direct development of the later differentiating second heart field (SHF) progenitors remain largely unknown. Here, we show that a novel zebrafish histone deacetylase 1 (hdac1) mutant allele cardiac really gone (crg) has a deficit of ventricular cardiomyocytes (VCs) and smooth muscle within the outflow tract (OFT) due to both cell and non-cell autonomous loss in SHF progenitor proliferation. Cyp26-deficient embryos, which have increased retinoic acid (RA) levels, have similar defects in SHF-derived OFT development. We found that nkx2.5+ progenitors from Hdac1 and Cyp26-deficient embryos have ectopic expression of ripply3, a transcriptional co-repressor of T-box transcription factors that is normally restricted to the posterior pharyngeal endoderm. Furthermore, the ripply3 expression domain is expanded anteriorly into the posterior nkx2.5+ progenitor domain in crg mutants. Importantly, excess ripply3 is sufficient to repress VC development, while genetic depletion of Ripply3 and Tbx1 in crg mutants can partially restore VC number. We find that the epigenetic signature at RA response elements (RAREs) that can associate with Hdac1 and RA receptors (RARs) becomes indicative of transcriptional activation in crg mutants. Our study highlights that transcriptional repression via the epigenetic regulator Hdac1 facilitates OFT development through directly preventing expression of the RA-responsive gene ripply3 within SHF progenitors. Congenital heart defects are the most common malformations found in newborns, with many of these defects disrupting development of the outflow tract, the structure where blood is expelled from the heart. Despite their frequency, we do not have a grasp of the molecular and genetic mechanisms that underlie most congenital heart defects. Here, we show that zebrafish embryos containing a mutation in a gene called histone deacetylase 1 (hdac1) have smaller hearts with a reduction in the size of the ventricle and outflow tract. Hdac1 proteins limit accessibility to DNA and repress gene expression. We find that loss of Hdac1 in zebrafish embryos leads to increased expression of genes that are also induced by excess retinoic acid, a teratogen that induces similar outflow tract defects. Genetic loss-of-function studies support that ectopic expression of ripply3, a common target of both Hdac1 and retinoic acid signaling that is normally restricted to a subset of posterior pharyngeal cells, contributes to the smaller hearts found in zebrafish hdac1 mutants. Our study establishes a mechanism whereby the coordinated repression of genes downstream of Hdac1 and retinoic acid signaling is necessary for normal vertebrate outflow tract development.
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Affiliation(s)
- Yuntao Charlie Song
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.,Molecular and Developmental Biology Graduate Program, University of Cincinnati, Cincinnati, OH, United States of America
| | - Tracy E Dohn
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.,Molecular and Developmental Biology Graduate Program, University of Cincinnati, Cincinnati, OH, United States of America
| | - Ariel B Rydeen
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.,Molecular and Developmental Biology Graduate Program, University of Cincinnati, Cincinnati, OH, United States of America
| | - Alex V Nechiporuk
- Department of Cell and Developmental Biology, Oregon Health & Science University, Portland, OR, United States of America
| | - Joshua S Waxman
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America
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Alfano D, Altomonte A, Cortes C, Bilio M, Kelly RG, Baldini A. Tbx1 regulates extracellular matrix-cell interactions in the second heart field. Hum Mol Genet 2019; 28:2295-2308. [DOI: 10.1093/hmg/ddz058] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 12/31/2022] Open
Abstract
Abstract
Tbx1, the major candidate gene for DiGeorge or 22q11.2 deletion syndrome, is required for efficient incorporation of cardiac progenitors of the second heart field (SHF) into the heart. However, the mechanisms by which TBX1 regulates this process are still unclear. Here, we have used two independent models, mouse embryos and cultured cells, to define the role of TBX1 in establishing morphological and dynamic characteristics of SHF in the mouse. We found that loss of TBX1 impairs extracellular matrix (ECM)-integrin-focal adhesion (FA) signaling in both models. Mosaic analysis in embryos suggested that this function is non-cell autonomous, and, in cultured cells, loss of TBX1 impairs cell migration and FAs. Additionally, we found that ECM-mediated integrin signaling is disrupted upon loss of TBX1. Finally, we show that interfering with the ECM-integrin-FA axis between E8.5 and E9.5 in mouse embryos, corresponding to the time window within which TBX1 is required in the SHF, causes outflow tract dysmorphogenesis. Our results demonstrate that TBX1 is required to maintain the integrity of ECM-cell interactions in the SHF and that this interaction is critical for cardiac outflow tract development. More broadly, our data identifies a novel TBX1 downstream pathway as an important player in SHF tissue architecture and cardiac morphogenesis.
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Affiliation(s)
- Daniela Alfano
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Alessandra Altomonte
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Claudio Cortes
- Aix-Marseille Université, CNRS UMR, IBDM, Marseille, France
| | - Marchesa Bilio
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR, IBDM, Marseille, France
| | - Antonio Baldini
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
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Moore-Morris T, van Vliet PP, Andelfinger G, Puceat M. Role of Epigenetics in Cardiac Development and Congenital Diseases. Physiol Rev 2019; 98:2453-2475. [PMID: 30156497 DOI: 10.1152/physrev.00048.2017] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The heart is the first organ to be functional in the fetus. Heart formation is a complex morphogenetic process regulated by both genetic and epigenetic mechanisms. Congenital heart diseases (CHD) are the most prominent congenital diseases. Genetics is not sufficient to explain these diseases or the impact of them on patients. Epigenetics is more and more emerging as a basis for cardiac malformations. This review brings the essential knowledge on cardiac biology of development. It further provides a broad background on epigenetics with a focus on three-dimensional conformation of chromatin. Then, we summarize the current knowledge of the impact of epigenetics on cardiac cell fate decision. We further provide an update on the epigenetic anomalies in the genesis of CHD.
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Affiliation(s)
- Thomas Moore-Morris
- Université Aix-Marseille, INSERM UMR- 1251, Marseille , France ; Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Montreal, Quebec , Canada ; Université de Montréal, Montreal, Quebec , Canada ; and Laboratoire International Associé INSERM, Marseille France-CHU Ste Justine, Quebec, Canada
| | - Patrick Piet van Vliet
- Université Aix-Marseille, INSERM UMR- 1251, Marseille , France ; Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Montreal, Quebec , Canada ; Université de Montréal, Montreal, Quebec , Canada ; and Laboratoire International Associé INSERM, Marseille France-CHU Ste Justine, Quebec, Canada
| | - Gregor Andelfinger
- Université Aix-Marseille, INSERM UMR- 1251, Marseille , France ; Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Montreal, Quebec , Canada ; Université de Montréal, Montreal, Quebec , Canada ; and Laboratoire International Associé INSERM, Marseille France-CHU Ste Justine, Quebec, Canada
| | - Michel Puceat
- Université Aix-Marseille, INSERM UMR- 1251, Marseille , France ; Cardiovascular Genetics, Department of Pediatrics, CHU Sainte-Justine, Montreal, Quebec , Canada ; Université de Montréal, Montreal, Quebec , Canada ; and Laboratoire International Associé INSERM, Marseille France-CHU Ste Justine, Quebec, Canada
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Aras S, Saladi SV, Basuroy T, Marathe HG, Lorès P, de la Serna IL. BAF60A mediates interactions between the microphthalmia-associated transcription factor and the BRG1-containing SWI/SNF complex during melanocyte differentiation. J Cell Physiol 2018; 234:11780-11791. [PMID: 30515787 DOI: 10.1002/jcp.27840] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 11/07/2018] [Indexed: 01/10/2023]
Abstract
SWI/SNF chromatin remodeling enzymes are multisubunit complexes that contain one of two catalytic subunits, BRG1 or BRM and 9-11 additional subunits called BRG1 or BRM-associated factors (BAFs). BRG1 interacts with the microphthalmia-associated transcription factor (MITF) and is required for melanocyte development in vitro and in vivo. The subunits of SWI/SNF that mediate interactions between BRG1 and MITF have not been elucidated. Three mutually exclusive isoforms of a 60-kDa subunit (BAF60A, B, or C) often facilitate interactions with transcription factors during lineage specification. We tested the hypothesis that a BAF60 subunit promotes interactions between MITF and the BRG1-containing SWI/SNF complex. We found that MITF can physically interact with BAF60A, BAF60B, and BAF60C. The interaction between MITF and BAF60A required the basic helix-loop-helix domain of MITF. Recombinant BAF60A pulled down recombinant MITF, suggesting that the interaction can occur in the absence of other SWI/SNF subunits and other transcriptional regulators of the melanocyte lineage. Depletion of BAF60A in differentiating melanoblasts inhibited melanin synthesis and expression of MITF target genes. MITF promoted BAF60A recruitment to melanocyte-specific promoters, and BAF60A was required to promote BRG1 recruitment and chromatin remodeling. Thus, BAF60A promotes interactions between MITF and the SWI/SNF complex and is required for melanocyte differentiation.
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Affiliation(s)
- Shweta Aras
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio.,Department of Cancer Biology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Srinivas Vinod Saladi
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio.,Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, Massachusetts
| | - Tupa Basuroy
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio
| | - Himangi G Marathe
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio.,Department of Molecular and Cellular Biology, Roswell Park Cancer Institute, Buffalo, New York
| | - Patrick Lorès
- INSERM U1016, Institut Cochin/CNRS UMR8104/ Universite Paris Descartes, Faculte de Medecine Cochin, Paris, France
| | - Ivana L de la Serna
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio
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Loss of CXCL12/CXCR4 signalling impacts several aspects of cardiovascular development but does not exacerbate Tbx1 haploinsufficiency. PLoS One 2018; 13:e0207251. [PMID: 30408103 PMCID: PMC6224166 DOI: 10.1371/journal.pone.0207251] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 10/26/2018] [Indexed: 11/19/2022] Open
Abstract
The CXCL12-CXCR4 pathway has crucial roles in stem cell homing and maintenance, neuronal guidance, cancer progression, inflammation, remote-conditioning, cell migration and development. Recently, work in chick suggested that signalling via CXCR4 in neural crest cells (NCCs) has a role in the 22q11.2 deletion syndrome (22q11.2DS), a disorder where haploinsufficiency of the transcription factor TBX1 is responsible for the major structural defects. We tested this idea in mouse models. Our analysis of genes with altered expression in Tbx1 mutant mouse models showed down-regulation of Cxcl12 in pharyngeal surface ectoderm and rostral mesoderm, both tissues with the potential to signal to migrating NCCs. Conditional mutagenesis of Tbx1 in the pharyngeal surface ectoderm is associated with hypo/aplasia of the 4th pharyngeal arch artery (PAA) and interruption of the aortic arch type B (IAA-B), the cardiovascular defect most typical of 22q11.2DS. We therefore analysed constitutive mouse mutants of the ligand (CXCL12) and receptor (CXCR4) components of the pathway, in addition to ectodermal conditionals of Cxcl12 and NCC conditionals of Cxcr4. However, none of these typical 22q11.2DS features were detected in constitutively or conditionally mutant embryos. Instead, duplicated carotid arteries were observed, a phenotype recapitulated in Tie-2Cre (endothelial) conditional knock outs of Cxcr4. Previous studies have demonstrated genetic interaction between signalling pathways and Tbx1 haploinsufficiency e.g. FGF, WNT, SMAD-dependent. We therefore tested for possible epistasis between Tbx1 and the CXCL12 signalling axis by examining Tbx1 and Cxcl12 double heterozygotes as well as Tbx1/Cxcl12/Cxcr4 triple heterozygotes, but failed to identify any exacerbation of the Tbx1 haploinsufficient arch artery phenotype. We conclude that CXCL12 signalling via NCC/CXCR4 has no major role in the genesis of the Tbx1 loss of function phenotype. Instead, the pathway has a distinct effect on remodelling of head vessels and interventricular septation mediated via CXCL12 signalling from the pharyngeal surface ectoderm and second heart field to endothelial cells.
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41
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Unolt M, Versacci P, Anaclerio S, Lambiase C, Calcagni G, Trezzi M, Carotti A, Crowley TB, Zackai EH, Goldmuntz E, Gaynor JW, Digilio MC, McDonald-McGinn DM, Marino B. Congenital heart diseases and cardiovascular abnormalities in 22q11.2 deletion syndrome: From well-established knowledge to new frontiers. Am J Med Genet A 2018; 176:2087-2098. [PMID: 29663641 PMCID: PMC6497171 DOI: 10.1002/ajmg.a.38662] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 02/12/2018] [Accepted: 02/13/2018] [Indexed: 12/11/2022]
Abstract
Congenital heart diseases (CHDs) and cardiovascular abnormalities are one of the pillars of clinical diagnosis of 22q11.2 deletion syndrome (22q11.2DS) and still represent the main cause of mortality in the affected children. In the past 30 years, much progress has been made in describing the anatomical patterns of CHD, in improving their diagnosis, medical treatment, and surgical procedures for these conditions, as well as in understanding the underlying genetic and developmental mechanisms. However, further studies are still needed to better determine the true prevalence of CHDs in 22q11.2DS, including data from prenatal studies and on the adult population, to further clarify the genetic mechanisms behind the high variability of phenotypic expression of 22q11.2DS, and to fully understand the mechanism responsible for the increased postoperative morbidity and for the premature death of these patients. Moreover, the increased life expectancy of persons with 22q11.2DS allowed the expansion of the adult population that poses new challenges for clinicians such as acquired cardiovascular problems and complexity related to multisystemic comorbidity. In this review, we provide a comprehensive review of the existing literature about 22q11.2DS in order to summarize the knowledge gained in the past years of clinical experience and research, as well as to identify the remaining gaps in comprehension of this syndrome and the possible future research directions.
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Affiliation(s)
- Marta Unolt
- Department of Pediatrics and Pediatric Neuropsychiatry, “Sapienza” University of Rome, Rome, Italy
| | - Paolo Versacci
- Department of Pediatrics and Pediatric Neuropsychiatry, “Sapienza” University of Rome, Rome, Italy
| | - Silvia Anaclerio
- Department of Pediatrics and Pediatric Neuropsychiatry, “Sapienza” University of Rome, Rome, Italy
| | - Caterina Lambiase
- Department of Pediatrics and Pediatric Neuropsychiatry, “Sapienza” University of Rome, Rome, Italy
| | - Giulio Calcagni
- Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Pediatric Hospital, Rome, Italy
| | - Matteo Trezzi
- Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Pediatric Hospital, Rome, Italy
| | - Adriano Carotti
- Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Pediatric Hospital, Rome, Italy
| | - Terrence Blaine Crowley
- Division of Human Genetics, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Elaine H. Zackai
- Division of Human Genetics, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Elizabeth Goldmuntz
- The Cardiac Center, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - James William Gaynor
- The Cardiac Center, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
| | | | | | - Bruno Marino
- Department of Pediatrics and Pediatric Neuropsychiatry, “Sapienza” University of Rome, Rome, Italy
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Singarapu N, Ma K, Reeh KAG, Shen J, Lancaster JN, Yi S, Xie H, Orkin SH, Manley NR, Ehrlich LIR, Jiang N, Richie ER. Polycomb Repressive Complex 2 is essential for development and maintenance of a functional TEC compartment. Sci Rep 2018; 8:14335. [PMID: 30254371 PMCID: PMC6156232 DOI: 10.1038/s41598-018-32729-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/12/2018] [Indexed: 12/15/2022] Open
Abstract
Thymic epithelial cells (TEC) are essential for thymocyte differentiation and repertoire selection. Despite their indispensable role in generating functional T cells, the molecular mechanisms that orchestrate TEC development from endodermal progenitors in the third pharyngeal pouch (3rd PP) are not fully understood. We recently reported that the T-box transcription factor TBX1 negatively regulates TEC development. Although initially expressed throughout the 3rd PP, Tbx1 becomes downregulated in thymus-fated progenitors and when ectopically expressed impairs TEC progenitor proliferation and differentiation. Here we show that ectopic Tbx1 expression in thymus fated endoderm increases expression of Polycomb repressive complex 2 (PRC2) target genes in TEC. PRC2 is an epigenetic modifier that represses gene expression by catalyzing trimethylation of lysine 27 on histone H3. The increased expression of PRC2 target genes suggests that ectopic Tbx1 interferes with PRC2 activity and implicates PRC2 as an important regulator of TEC development. To test this hypothesis, we used Foxn1Cre to delete Eed, a PRC2 component required for complex stability and function in thymus fated 3rd PP endoderm. Proliferation and differentiation of fetal and newborn TEC were disrupted in the conditional knockout (EedCKO) mutants leading to severely dysplastic adult thymi. Consistent with PRC2-mediated transcriptional silencing, the majority of differentially expressed genes (DEG) were upregulated in EedCKO TEC. Moreover, a high frequency of EedCKO DEG overlapped with DEG in TEC that ectopically expressed Tbx1. These findings demonstrate that PRC2 plays a critical role in TEC development and suggest that Tbx1 expression must be downregulated in thymus fated 3rd PP endoderm to ensure optimal PRC2 function.
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Affiliation(s)
- Nandini Singarapu
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas M.D. Anderson Cancer Center, Science Park, Smithville, Texas, 78957, USA
| | - Keyue Ma
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Kaitlin A G Reeh
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas M.D. Anderson Cancer Center, Science Park, Smithville, Texas, 78957, USA
| | - Jianjun Shen
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas M.D. Anderson Cancer Center, Science Park, Smithville, Texas, 78957, USA
| | - Jessica N Lancaster
- Department of Molecular Biosciences, Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Song Yi
- Department of Oncology, Dell Medical School and Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, 78712, USA.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Huafeng Xie
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA.,Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, 02115, USA
| | - Stuart H Orkin
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA.,Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, 02115, USA.,Harvard Stem Cell Institute, Harvard University, Cambridge, MA, 02138, USA.,Howard Hughes Medical Institute, Boston, MA, 02115, USA
| | - Nancy R Manley
- Department of Genetics, Paul D. Coverdell Center, 500 DW Brooks Drive, University of Georgia, Athens, GA, 30602, USA
| | - Lauren I R Ehrlich
- Department of Molecular Biosciences, Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, 78712, USA.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Ning Jiang
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Ellen R Richie
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas M.D. Anderson Cancer Center, Science Park, Smithville, Texas, 78957, USA.
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43
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Hong N, Zhang E, Wang Q, Zhang X, Li F, Fu Q, Xu R, Yu Y, Chen S, Xu Y, Sun K. A loss-of-function mutation p.T52S in RIPPLY3 is a potential predisposing genetic risk factor for Chinese Han conotruncal heart defect patients without the 22q11.2 deletion/duplication. J Transl Med 2018; 16:260. [PMID: 30241482 PMCID: PMC6151064 DOI: 10.1186/s12967-018-1633-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 09/16/2018] [Indexed: 01/18/2023] Open
Abstract
Background Conotruncal heart defect (CTD) is a complex congenital heart disease with a complex and poorly understood etiology. The transcriptional corepressor RIPPLY3 plays a pivotal role in heart development as a negative regulator of the key cardiac transcription factor TBX1. A previous study showed that RIPPLY3 contribute to cardiac outflow tract development in mice, however, the relationship between RIPPLY3 and human cardiac malformation has not been reported. Methods 615 unrelated CTD Chinese Han patients were enrolled, we excluded the 22q11.2 deletion/duplication using a modified multiplex ligation-dependent probe amplification method—CNVplex®, and investigated the variants of RIPPLY3 in 577 patients without the 22q11.2 deletion/duplication by target sequencing. Functional assays were performed to testify the potential pathogenicity of nonsynonymous variants found in these CTD patients. Results Four rare heterozygous nonsynonymous variants (p.P30L, p.T52S, p.D113N and p.V179D) were identified in four CTD patients, the variant NM_018962.2:c.155C>G (p.T52S) is referred as rs745539198, and the variant NM_018962.2:c.337G>A (p.D113N) is referred as rs747419773. However, variants p.P30L and p.V179D were not found in multiple online human gene variation databases. Western blot analysis and immunofluorescence showed that there were no significant difference between wild type RIPPLY3 and these four variants. Luciferase assays revealed that the p.T52S variant altered the inhibition of TBX1 transcriptional activity in vitro, and co-immunoprecipitation assays showed that the p.T52S variant reduced the physical interaction of RIPPLY3 with TBX1. In addition to the results from pathogenicity prediction tools and evolutionary protein conservation, the p.T52S variant was thought to be a potentially deleterious variant. Conclusion Our results provide evidence that deleterious variants in RIPPLY3 are potential molecular mechanisms involved in the pathogenesis of human CTD. Electronic supplementary material The online version of this article (10.1186/s12967-018-1633-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nanchao Hong
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China
| | - Erge Zhang
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China
| | - Qingjie Wang
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China
| | - Xiaoqing Zhang
- Medical Laboratory, Shanghai Children's Medical Center, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Fen Li
- Department of Pediatric Cardiology, Shanghai Children's Medical Center, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Qihua Fu
- Medical Laboratory, Shanghai Children's Medical Center, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Rang Xu
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China.,Scientific Research Center, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yu Yu
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China
| | - Sun Chen
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China
| | - Yuejuan Xu
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China.
| | - Kun Sun
- Department of Pediatric Cardiology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Room 505, Scientific Building, Shanghai, 200092, China.
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Sivakumar A, Kurpios NA. Transcriptional regulation of cell shape during organ morphogenesis. J Cell Biol 2018; 217:2987-3005. [PMID: 30061107 PMCID: PMC6122985 DOI: 10.1083/jcb.201612115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/11/2018] [Accepted: 07/17/2018] [Indexed: 02/07/2023] Open
Abstract
The emerging field of transcriptional regulation of cell shape changes aims to address the critical question of how gene expression programs produce a change in cell shape. Together with cell growth, division, and death, changes in cell shape are essential for organ morphogenesis. Whereas most studies of cell shape focus on posttranslational events involved in protein organization and distribution, cell shape changes can be genetically programmed. This review highlights the essential role of transcriptional regulation of cell shape during morphogenesis of the heart, lungs, gastrointestinal tract, and kidneys. We emphasize the evolutionary conservation of these processes across different model organisms and discuss perspectives on open questions and research avenues that may provide mechanistic insights toward understanding birth defects.
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Affiliation(s)
- Aravind Sivakumar
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY
| | - Natasza A Kurpios
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY
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45
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Pane LS, Fulcoli FG, Cirino A, Altomonte A, Ferrentino R, Bilio M, Baldini A. Tbx1 represses Mef2c gene expression and is correlated with histone 3 deacetylation of the anterior heart field enhancer. Dis Model Mech 2018; 11:11/9/dmm029967. [PMID: 30166330 PMCID: PMC6176997 DOI: 10.1242/dmm.029967] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 07/09/2018] [Indexed: 12/19/2022] Open
Abstract
The TBX1 gene is haploinsufficient in 22q11.2 deletion syndrome (22q11.2DS), and genetic evidence from human patients and mouse models points to a major role of this gene in the pathogenesis of this syndrome. Tbx1 can activate and repress transcription, and previous work has shown that one of its functions is to negatively modulate cardiomyocyte differentiation. Tbx1 occupies the anterior heart field (AHF) enhancer of the Mef2c gene, which encodes a key cardiac differentiation transcription factor. Here, we show that increased dosage of Tbx1 correlates with downregulation of Mef2c expression and reduced acetylation of its AHF enhancer in cultured mouse myoblasts. Consistently, 22q11.2DS-derived and in vitro-differentiated human induced pluripotent stem cells (hiPSCs) expressed higher levels of MEF2C and showed increased AHF acetylation, compared with hiPSCs from a healthy donor. Most importantly, we show that in mouse embryos, loss of Tbx1 enhances the expression of the Mef2c-AHF-Cre transgene in a specific region of the splanchnic mesoderm, and in a dosage-dependent manner, providing an in vivo correlate of our cell culture data. These results indicate that Tbx1 regulates the Mef2c AHF enhancer by inducing histone deacetylation.
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Affiliation(s)
- Luna Simona Pane
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Filomena Gabriella Fulcoli
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Andrea Cirino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Napoli, Italy
| | - Alessandra Altomonte
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Rosa Ferrentino
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Marchesa Bilio
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Antonio Baldini
- CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso, Via Pietro Castellino 111, 80131 Napoli, Italy .,Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Napoli, Italy
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46
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Planar Cell Polarity Signaling in Mammalian Cardiac Morphogenesis. Pediatr Cardiol 2018; 39:1052-1062. [PMID: 29564519 PMCID: PMC5959767 DOI: 10.1007/s00246-018-1860-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/06/2018] [Indexed: 01/16/2023]
Abstract
The mammalian heart is the first organ to form and is critical for embryonic survival and development. With an occurrence of 1%, congenital heart defects (CHDs) are also the most common birth defects in humans, and major cause of childhood morbidity and mortality (Hoffman and Kaplan in J Am Coll Cardiol 39(12):1890-1900, 2002; Samanek in Cardiol Young 10(3):179-185, 2000). Understanding how the heart forms will not only help to determine the etiology and to design diagnostic and therapeutic approaches for CHDs, but may also provide insight into regenerative medicine to repair injured adult hearts. Mammalian heart development requires precise orchestration of growth, differentiation, and morphogenesis to remodel a simple linear heart tube into an intricate, four-chambered heart with properly connected pulmonary artery and aorta, a structural basis for establishing the pulmonary and systemic circulation. Here we will review the recent advance in our understanding of how the planar cell polarity pathway, a highly conserved morphogenetic engine in vertebrates, regulates polarized morphogenetic processes to contribute to both the arterial and venous poles development of the heart.
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Basha M, Demeer B, Revencu N, Helaers R, Theys S, Bou Saba S, Boute O, Devauchelle B, Francois G, Bayet B, Vikkula M. Whole exome sequencing identifies mutations in 10% of patients with familial non-syndromic cleft lip and/or palate in genes mutated in well-known syndromes. J Med Genet 2018; 55:449-458. [DOI: 10.1136/jmedgenet-2017-105110] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 02/02/2018] [Accepted: 02/12/2018] [Indexed: 01/08/2023]
Abstract
BackgroundOral clefts, that is, clefts of the lip and/or cleft palate (CL/P), are the most common craniofacial birth defects with an approximate incidence of ~1/700. To date, physicians stratify patients with oral clefts into either syndromic CL/P (syCL/P) or non-syndromic CL/P (nsCL/P) depending on whether the CL/P is associated with another anomaly or not. In general, patients with syCL/P follow Mendelian inheritance, while those with nsCL/P have a complex aetiology and, as such, do not adhere to Mendelian inheritance. Genome-wide association studies have identified approximately 30 risk loci for nsCL/P, which could explain a small fraction of heritability.MethodsTo identify variants causing nsCL/P, we conducted whole exome sequencing on 84 individuals with nsCL/P, drawn from multiplex families (n=46).ResultsWe identified rare damaging variants in four genes known to be mutated in syCL/P: TP63 (one family), TBX1 (one family), LRP6 (one family) and GRHL3 (two families), and clinical reassessment confirmed the isolated nature of their CL/P.ConclusionThese data demonstrate that patients with CL/P without cardinal signs of a syndrome may still carry a mutation in a gene linked to syCL/P. Rare coding and non-coding variants in syCL/P genes could in part explain the controversial question of ‘missing heritability’ for nsCL/P. Therefore, gene panels designed for diagnostic testing of syCL/P should be used for patients with nsCL/P, especially when there is at least third-degree family history. This would allow a more precise management, follow-up and genetic counselling. Moreover, stratified cohorts would allow hunting for genetic modifiers.
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Expression, function, and regulation of the embryonic transcription factor TBX1 in parathyroid tumors. J Transl Med 2017; 97:1488-1499. [PMID: 28920943 DOI: 10.1038/labinvest.2017.88] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 07/16/2017] [Accepted: 07/19/2017] [Indexed: 01/11/2023] Open
Abstract
Transcription factors active in embryonic parathyroid cells can be maintained in adult parathyroids and be involved in tumorigenesis. TBX1, the candidate gene of 22q11.2-DiGeorge syndrome, which includes congenital hypoparathyroidism, is involved in parathyroid embryogenesis. The study aimed to investigate expression, function, and regulation of the parathyroid embryonic transcription factor TBX1 in human parathyroid adult normal and tumor tissues. TBX1 transcripts were detected in normal parathyroids and were deregulated in parathyroid tumors. Using immunohistochemistry, TBX1 protein was detected, mainly at the nuclear level, in a consistent proportion of cells in normal adult parathyroids, whereas TBX1 immunoreactivity was absent in fetal parathyroids. TBX1-expressing cells were markedly reduced in about a half of adenomas (PAds) and two-thirds of carcinomas and the proportion of TBX1-expressing cells negatively correlated with the serum albumin-corrected calcium levels in the analyzed tumors. Moreover, a subset of TBX1-expressing tumor cells coexpressed PTH. TBX1 silencing in HEK293 cells, expressing endogenous TBX1, increased the proportion of cells in the G0/G1 phase of cell cycle; concomitantly, CDKN1A/p21 and CDKN2A/p16 transcripts increased and ID1 mRNA levels decreased. TBX1 silencing exerted similar effects in PAd-derived cells, suggesting cell cycle arrest. Moreover, in PAd-derived cells GCM2 and PTH mRNA levels were unaffected by TBX1 deficiency, whereas it was associated with reduction of WNT5A, an antagonist of canonical WNT/β-catenin pathway. WNT/β-catenin activation by lithium chloride inhibited TBX1 expression levels both in HEK293 and PAd-derived cells. In conclusion, TBX1 is expressed in adult parathyroid cells and deregulated in parathyroid tumors, where TBX1 deficiency may potentially contribute to the low proliferative nature of parathyroid tumors.
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49
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Yi X, Jiang X, Li X, Jiang DS. Histone lysine methylation and congenital heart disease: From bench to bedside (Review). Int J Mol Med 2017; 40:953-964. [PMID: 28902362 DOI: 10.3892/ijmm.2017.3115] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 08/21/2017] [Indexed: 11/05/2022] Open
Abstract
Histone post-translational modifications (PTM) as one of the key epigenetic regulatory mechanisms that plays critical role in various biological processes, including regulating chromatin structure dynamics and gene expression. Histone lysine methyltransferase contributes to the establishment and maintenance of differential histone methylation status, which can recognize histone methylated sites and build an association between these modifications and their downstream processes. Recently, it was found that abnormalities in the histone lysine methylation level or pattern may lead to the occurrence of many types of cardiovascular diseases, such as congenital heart disease (CHD). In order to provide new theoretical basis and targets for the treatment of CHD from the view of developmental biology and genetics, this review discusses and elaborates on the association between histone lysine methylation modifications and CHD.
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Affiliation(s)
- Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xuejun Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xiaoyan Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ding-Sheng Jiang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
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Calcagni G, Unolt M, Digilio MC, Baban A, Versacci P, Tartaglia M, Baldini A, Marino B. Congenital heart disease and genetic syndromes: new insights into molecular mechanisms. Expert Rev Mol Diagn 2017; 17:861-870. [PMID: 28745539 DOI: 10.1080/14737159.2017.1360766] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Advances in genetics allowed a better definition of the role of specific genetic background in the etiology of syndromic congenital heart defects (CHDs). The identification of a number of disease genes responsible for different syndromes have led to the identification of several transcriptional regulators and signaling transducers and modulators that are critical for heart morphogenesis. Understanding the genetic background of syndromic CHDs allowed a better characterization of the genetic basis of non-syndromic CHDs. In this sense, the well-known association of typical CHDs in Down syndrome, 22q11.2 microdeletion and Noonan syndrome represent paradigms as chromosomal aneuploidy, chromosomal microdeletion and intragenic mutation, respectively. Area covered: For each syndrome the anatomical features, distinctive cardiac phenotype and molecular mechanisms are discussed. Moreover, the authors include recent genetic findings that may shed light on some aspects of still unclear molecular mechanisms of these syndromes. Expert commentary: Further investigations are needed to enhance the translational approach in the field of genetics of CHDs. When there is a well-established definition of genotype-phenotype (reverse medicine) and genotype-prognosis (predictive and personalized medicine) correlations, hopefully preventive medicine will make its way in this field. Subsequently a reduction will be achieved in the morbidity and mortality of children with CHDs.
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Affiliation(s)
- Giulio Calcagni
- a Department of Pediatric Cardiology and Cardiac Surgery , Bambino Gesù Children's Hospital and Research Institute , Rome , Italy
| | - Marta Unolt
- b Department of Pediatrics , Sapienza University , Rome , Italy
| | - Maria Cristina Digilio
- c Genetics and Rare Diseases Research Division , Bambino Gesù Children's Hospital and Research Institute , Rome , Italy
| | - Anwar Baban
- a Department of Pediatric Cardiology and Cardiac Surgery , Bambino Gesù Children's Hospital and Research Institute , Rome , Italy
| | - Paolo Versacci
- b Department of Pediatrics , Sapienza University , Rome , Italy
| | - Marco Tartaglia
- c Genetics and Rare Diseases Research Division , Bambino Gesù Children's Hospital and Research Institute , Rome , Italy
| | - Antonio Baldini
- d CNR Institute of Genetics and Biophysics Adriano Buzzati Traverso; Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II , Naples , Italy
| | - Bruno Marino
- b Department of Pediatrics , Sapienza University , Rome , Italy
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