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Nawaz K, Alifah N, Hussain T, Hameed H, Ali H, Hamayun S, Mir A, Wahab A, Naeem M, Zakria M, Pakki E, Hasan N. From genes to therapy: A comprehensive exploration of congenital heart disease through the lens of genetics and emerging technologies. Curr Probl Cardiol 2024; 49:102726. [PMID: 38944223 DOI: 10.1016/j.cpcardiol.2024.102726] [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: 06/20/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Congenital heart disease (CHD) affects approximately 1 % of live births worldwide, making it the most common congenital anomaly in newborns. Recent advancements in genetics and genomics have significantly deepened our understanding of the genetics of CHDs. While the majority of CHD etiology remains unclear, evidence consistently indicates that genetics play a significant role in its development. CHD etiology holds promise for enhancing diagnosis and developing novel therapies to improve patient outcomes. In this review, we explore the contributions of both monogenic and polygenic factors of CHDs and highlight the transformative impact of emerging technologies on these fields. We also summarized the state-of-the-art techniques, including targeted next-generation sequencing (NGS), whole genome and whole exome sequencing (WGS, WES), single-cell RNA sequencing (scRNA-seq), human induced pluripotent stem cells (hiPSCs) and others, that have revolutionized our understanding of cardiovascular disease genetics both from diagnosis perspective and from disease mechanism perspective in children and young adults. These molecular diagnostic techniques have identified new genes and chromosomal regions involved in syndromic and non-syndromic CHD, enabling a more defined explanation of the underlying pathogenetic mechanisms. As our knowledge and technologies continue to evolve, they promise to enhance clinical outcomes and reduce the CHD burden worldwide.
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Affiliation(s)
- Khalid Nawaz
- Department of Medical Laboratory Technology, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Nur Alifah
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia
| | - Talib Hussain
- Women Dental College, Khyber Medical University, Abbottabad, 22080, Khyber Pakhtunkhwa, Pakistan
| | - Hamza Hameed
- Department of Cardiology, Pakistan Institute of Medical Sciences (PIMS), Islamabad, 04485, Punjab, Pakistan
| | - Haider Ali
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Shah Hamayun
- Department of Cardiology, Pakistan Institute of Medical Sciences (PIMS), Islamabad, 04485, Punjab, Pakistan
| | - Awal Mir
- Department of Medical Laboratory Technology, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Abdul Wahab
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Naeem
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Punjab, Pakistan
| | - Mohammad Zakria
- Advanced Center for Genomic Technologies, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Ermina Pakki
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia
| | - Nurhasni Hasan
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia.
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Viswanathan S, Sandeep Oza P, Bellad A, Uttarilli A. Conotruncal Heart Defects: A Narrative Review of Molecular Genetics, Genomics Research and Innovation. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2024; 28:324-346. [PMID: 38986083 DOI: 10.1089/omi.2024.0097] [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: 07/12/2024]
Abstract
Congenital heart defects (CHDs) are most prevalent cardiac defects that occur at birth, leading to significant neonatal mortality and morbidity, especially in the developing nations. Among the CHDs, conotruncal heart defects (CTDs) are particularly noteworthy, comprising a significant portion of congenital cardiac anomalies. While advances in imaging and surgical techniques have improved the diagnosis, prognosis, and management of CTDs, their molecular genetics and genomic substrates remain incompletely understood. This expert review covers the recent advances from January 2016 onward and examines the complexities surrounding the genetic etiologies, prevalence, embryology, diagnosis, and clinical management of CTDs. We also emphasize the known copy number variants and single nucleotide variants associated with CTDs, along with the current planetary health research efforts aimed at CTDs in large cohort studies. In all, this comprehensive narrative review of molecular genetics and genomics research and innovation on CTDs draws from and highlights selected works from around the world and offers new ideas for advances in CTD diagnosis, precision medicine interventions, and accurate assessment of prognosis and recurrence risks.
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Affiliation(s)
- Sruthi Viswanathan
- Institute of Bioinformatics, Bengaluru, Bangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Prachi Sandeep Oza
- Institute of Bioinformatics, Bengaluru, Bangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Anikha Bellad
- Institute of Bioinformatics, Bengaluru, Bangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Anusha Uttarilli
- Institute of Bioinformatics, Bengaluru, Bangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
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Zubrzycki M, Schramm R, Costard-Jäckle A, Grohmann J, Gummert JF, Zubrzycka M. Cardiac Development and Factors Influencing the Development of Congenital Heart Defects (CHDs): Part I. Int J Mol Sci 2024; 25:7117. [PMID: 39000221 PMCID: PMC11241401 DOI: 10.3390/ijms25137117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
The traditional description of cardiac development involves progression from a cardiac crescent to a linear heart tube, which in the phase of transformation into a mature heart forms a cardiac loop and is divided with the septa into individual cavities. Cardiac morphogenesis involves numerous types of cells originating outside the initial cardiac crescent, including neural crest cells, cells of the second heart field origin, and epicardial progenitor cells. The development of the fetal heart and circulatory system is subject to regulatation by both genetic and environmental processes. The etiology for cases with congenital heart defects (CHDs) is largely unknown, but several genetic anomalies, some maternal illnesses, and prenatal exposures to specific therapeutic and non-therapeutic drugs are generally accepted as risk factors. New techniques for studying heart development have revealed many aspects of cardiac morphogenesis that are important in the development of CHDs, in particular transposition of the great arteries.
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Affiliation(s)
- Marek Zubrzycki
- Department of Surgery for Congenital Heart Defects, Heart and Diabetes Center NRW, University Hospital, Ruhr-University Bochum, Georgstr. 11, 32545 Bad Oeynhausen, Germany;
| | - Rene Schramm
- Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center NRW, University Hospital, Ruhr-University Bochum, Georgstr. 11, 32545 Bad Oeynhausen, Germany; (R.S.); (A.C.-J.); (J.F.G.)
| | - Angelika Costard-Jäckle
- Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center NRW, University Hospital, Ruhr-University Bochum, Georgstr. 11, 32545 Bad Oeynhausen, Germany; (R.S.); (A.C.-J.); (J.F.G.)
| | - Jochen Grohmann
- Department of Congenital Heart Disease/Pediatric Cardiology, Heart and Diabetes Center NRW, University Hospital, Ruhr-University Bochum, Georgstr. 11, 32545 Bad Oeynhausen, Germany;
| | - Jan F. Gummert
- Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center NRW, University Hospital, Ruhr-University Bochum, Georgstr. 11, 32545 Bad Oeynhausen, Germany; (R.S.); (A.C.-J.); (J.F.G.)
| | - Maria Zubrzycka
- Department of Clinical Physiology, Faculty of Medicine, Medical University of Lodz, Mazowiecka 6/8, 92-215 Lodz, Poland
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Sessa F, Chisari M, Salerno M, Esposito M, Zuccarello P, Capasso E, Scoto E, Cocimano G. Congenital heart diseases (CHDs) and forensic investigations: Searching for the cause of death. Exp Mol Pathol 2024; 137:104907. [PMID: 38820762 DOI: 10.1016/j.yexmp.2024.104907] [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: 04/16/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/02/2024]
Abstract
Congenital Heart Diseases (CHDs) are a group of structural abnormalities or defects of the heart that are present at birth. CHDs could be connected to sudden death (SD), defined by the WHO (World Health Organization) as "death occurring within 24 h after the onset of the symptoms" in an apparently "healthy" subject. These conditions can range from relatively mild defects to severe, life-threatening anomalies. The prevalence of CHDs varies across populations, but they affect millions of individuals worldwide. This article aims to discuss the post-mortem investigation of death related to CHDs, exploring the forensic approach, current methodologies, challenges, and potential advancements in this challenging field. A further goal of this article is to provide a guide for understanding these complex diseases, highlighting the pivotal role of autopsy, histopathology, and genetic investigations in defining the cause of death, and providing evidence about the translational use of autopsy reports. Forensic investigations play a crucial role in understanding the complexities of CHDs and determining the cause of death accurately. Through collaboration between medical professionals and forensic experts, meticulous examinations, and analysis of evidence, valuable insights can be gained. These insights not only provide closure to the families affected but also contribute to the prevention of future tragedies.
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Affiliation(s)
- Francesco Sessa
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, 95121 Catania, Italy.
| | - Mario Chisari
- "Rodolico-San Marco" Hospital, Santa Sofia Street, 87, Catania 95121, Italy.
| | - Monica Salerno
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, 95121 Catania, Italy.
| | | | - Pietro Zuccarello
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, 95121 Catania, Italy.
| | - Emanuele Capasso
- Department of Advanced Biomedical Science-Legal Medicine Section, University of Naples "Federico II", 80131 Naples, Italy.
| | - Edmondo Scoto
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, 95121 Catania, Italy
| | - Giuseppe Cocimano
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Vanvitelli", 80121 Napoli, Italy.
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Perrot A, Rickert-Sperling S. Human Genetics of Ventricular Septal Defect. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:505-534. [PMID: 38884729 DOI: 10.1007/978-3-031-44087-8_27] [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
Ventricular septal defects (VSDs) are recognized as one of the commonest congenital heart diseases (CHD), accounting for up to 40% of all cardiac malformations, and occur as isolated CHDs as well as together with other cardiac and extracardiac congenital malformations in individual patients and families. The genetic etiology of VSD is complex and extraordinarily heterogeneous. Chromosomal abnormalities such as aneuploidy and structural variations as well as rare point mutations in various genes have been reported to be associated with this cardiac defect. This includes both well-defined syndromes with known genetic cause (e.g., DiGeorge syndrome and Holt-Oram syndrome) and so far undefined syndromic forms characterized by unspecific symptoms. Mutations in genes encoding cardiac transcription factors (e.g., NKX2-5 and GATA4) and signaling molecules (e.g., CFC1) have been most frequently found in VSD cases. Moreover, new high-resolution methods such as comparative genomic hybridization enabled the discovery of a high number of different copy number variations, leading to gain or loss of chromosomal regions often containing multiple genes, in patients with VSD. In this chapter, we will describe the broad genetic heterogeneity observed in VSD patients considering recent advances in this field.
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Affiliation(s)
- Andreas Perrot
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin, Germany
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Yang T, Fan X, Fan Y, Song W, Liu X, Wang J, Chen X. Co-Occurrence of Sensorineural Hearing Loss and Congenital Heart Disease: Etiologies and Management. Laryngoscope 2024; 134:400-409. [PMID: 37254944 DOI: 10.1002/lary.30799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/02/2023] [Accepted: 05/13/2023] [Indexed: 06/01/2023]
Abstract
OBJECTIVES/HYPOTHESIS The co-occurrence of sensorineural hearing loss (SNHL) and congenital heart disease (CHD) is a rare condition with complex etiologies. The purpose of this study is to assess the etiologies, clinical features, and outcomes of cochlear implant (CI) in this patient population. STUDY DESIGN Case series and literature review. METHODS Clinical data of children who were diagnosed with SNHL and CHD and received CIs at a tertiary hospital from 2016 to 2021 were retrospectively analyzed. A literature review was performed to identify patients with SNHL and CHD. FINDINGS Of the 382 children who underwent cochlear implantation at our center, eight (2.1%) were diagnosed with SNHL and CHD. A literature review identified 1525 patients from 254 studies; the database therefore consisted of 1533 patients. The most common genetic etiologies of co-occurring SNHL and CHD were CHARGE syndrome (36.3%), Turner syndrome (8.4%), 22q11.2 deletion (3.0%), Noonan syndrome (2.9%), and Down syndrome (2.5%), whereas the most common non-genetic etiologies were congenital rubella syndrome (22.9%) and SNHL after early cardiac surgery (5.5%). Most of the patients presented with congenital, bilateral, severe-profound SNHL requiring early rehabilitation. Of the 126 children who received CIs at a median age of 2.5 years, half showed delayed speech development at last follow-up. CONCLUSIONS Co-occurring SNHL and CHD is a rare condition with complex etiologies. Timely hearing intervention with long-term follow-up and proper timing of heart surgery is essential for these children. LEVEL OF EVIDENCE 4, case series Laryngoscope, 134:400-409, 2024.
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Affiliation(s)
- Tengyu Yang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Xinmiao Fan
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Yue Fan
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Wenjie Song
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Xingrong Liu
- Department of Cardiac Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Jian Wang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
| | - Xiaowei Chen
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, People's Republic of China
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Wilsdon A, Loughna S. Human Genetics of Congenital Heart Defects. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:57-75. [PMID: 38884704 DOI: 10.1007/978-3-031-44087-8_2] [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
Congenital heart diseases (or congenital heart defects/disorders; CHDs) are structural abnormalities of the heart and/or great vessels that are present at birth. CHDs include an extensive range of defects that may be minor and require no intervention or may be life-limiting and require complex surgery shortly after birth. This chapter reviews the current knowledge on the genetic causes of CHD.
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Affiliation(s)
- Anna Wilsdon
- School of Life Sciences, University of Nottingham, Nottingham, UK.
- Clinical Geneticist at Nottingham Clinical Genetics Department, Nottingham University Hospitals, City Hospital, Nottingham, UK.
| | - Siobhan Loughna
- School of Life Sciences, University of Nottingham, Nottingham, UK
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O’Brien MP, Pryzhkova MV, Lake EMR, Mandino F, Shen X, Karnik R, Atkins A, Xu MJ, Ji W, Konstantino M, Brueckner M, Ment LR, Khokha MK, Jordan PW. SMC5 Plays Independent Roles in Congenital Heart Disease and Neurodevelopmental Disability. Int J Mol Sci 2023; 25:430. [PMID: 38203602 PMCID: PMC10779392 DOI: 10.3390/ijms25010430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Up to 50% of patients with severe congenital heart disease (CHD) develop life-altering neurodevelopmental disability (NDD). It has been presumed that NDD arises in CHD cases because of hypoxia before, during, or after cardiac surgery. Recent studies detected an enrichment in de novo mutations in CHD and NDD, as well as significant overlap between CHD and NDD candidate genes. However, there is limited evidence demonstrating that genes causing CHD can produce NDD independent of hypoxia. A patient with hypoplastic left heart syndrome and gross motor delay presented with a de novo mutation in SMC5. Modeling mutation of smc5 in Xenopus tropicalis embryos resulted in reduced heart size, decreased brain length, and disrupted pax6 patterning. To evaluate the cardiac development, we induced the conditional knockout (cKO) of Smc5 in mouse cardiomyocytes, which led to the depletion of mature cardiomyocytes and abnormal contractility. To test a role for Smc5 specifically in the brain, we induced cKO in the mouse central nervous system, which resulted in decreased brain volume, and diminished connectivity between areas related to motor function but did not affect vascular or brain ventricular volume. We propose that genetic factors, rather than hypoxia alone, can contribute when NDD and CHD cases occur concurrently.
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Affiliation(s)
- Matthew P. O’Brien
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Marina V. Pryzhkova
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA
- Department of Biochemistry and Molecular Biology, Uniformed Services, University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, USA
| | - Evelyn M. R. Lake
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Francesca Mandino
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Xilin Shen
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Ruchika Karnik
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Alisa Atkins
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA
| | - Michelle J. Xu
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA
| | - Weizhen Ji
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Pediatric Genomics Discovery Program, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Monica Konstantino
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Pediatric Genomics Discovery Program, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Martina Brueckner
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Department of Genetics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Laura R. Ment
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Department of Neurology, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Mustafa K. Khokha
- Department of Pediatrics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Pediatric Genomics Discovery Program, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
- Department of Genetics, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA
| | - Philip W. Jordan
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA
- Department of Biochemistry and Molecular Biology, Uniformed Services, University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, USA
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Chen Z, Gao Y, Lu L, Li N, Liu P, Peng R, Liu L, Huang H, Fu Q, Hong H, Zhang J, Wang H. Rare loss-of-function variants reveal threshold and multifactorial inheritance of dextrocardia. Sci Bull (Beijing) 2023; 68:1993-1998. [PMID: 37573248 DOI: 10.1016/j.scib.2023.08.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/30/2023] [Accepted: 06/30/2023] [Indexed: 08/14/2023]
Affiliation(s)
- Zhongzhong Chen
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering, Institute of Reproduction and Development, Fudan University, Shanghai 200011, China
| | - Yunqian Gao
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering, Institute of Reproduction and Development, Fudan University, Shanghai 200011, China; Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Lei Lu
- Shanghai Key Laboratory of Metabolic Remodelling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China
| | - Nan Li
- BGI Genomics, Shenzhen 518083, China
| | - Pei Liu
- Shanghai Key Laboratory of Metabolic Remodelling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China
| | - Rui Peng
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering, Institute of Reproduction and Development, Fudan University, Shanghai 200011, China
| | - Lingling Liu
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering, Institute of Reproduction and Development, Fudan University, Shanghai 200011, China
| | - Hefeng Huang
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200090, China
| | - Qihua Fu
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.
| | - Haifa Hong
- Department of Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.
| | | | - Hongyan Wang
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering, Institute of Reproduction and Development, Fudan University, Shanghai 200011, China; Shanghai Key Laboratory of Metabolic Remodelling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China; Children's Hospital of Fudan University, Shanghai 201102, China.
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Kukshal P, Joshi RO, Kumar A, Ahamad S, Murthy PR, Sathe Y, Manohar K, Guhathakurta S, Chellappan S. Case-control association study of congenital heart disease from a tertiary paediatric cardiac centre from North India. BMC Pediatr 2023; 23:290. [PMID: 37322441 PMCID: PMC10268439 DOI: 10.1186/s12887-023-04095-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/27/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Congenital Heart diseases (CHDs) account for 1/3rd of all congenital birth defects. Etiopathogenesis of CHDs remain elusive despite extensive investigations globally. Phenotypic heterogeneity witnessed in this developmental disorder reiterate gene-environment interactions with periconceptional factors as risk conferring; and genetic analysis of both sporadic and familial forms of CHD suggest its multigenic basis. Significant association of de novo and inherited variants have been observed. Approximately 1/5th of CHDs are documented in the ethnically distinct Indian population but genetic insights have been very limited. This pilot case-control based association study was undertaken to investigate the status of Caucasian SNPs in a north Indian cohort. METHOD A total of 306 CHD cases sub-classified into n = 198 acyanotic and n = 108 cyanotic types were recruited from a dedicated tertiary paediatric cardiac centre in Palwal, Haryana. 23 SNPs primarily prioritized from Genome-wide association studies (GWAS) on Caucasians were genotyped using Agena MassARRAY Technology and test of association was performed with adequately numbered controls. RESULTS Fifty percent of the studied SNPs were substantially associated in either allelic, genotypic or sub-phenotype categories validating their strong correlation with disease manifestation. Of note, strongest allelic association was observed for rs73118372 in CRELD1 (p < 0.0001) on Chr3, rs28711516 in MYH6 (p = 0.00083) and rs735712 in MYH7 (p = 0.0009) both on Chr 14 and were also significantly associated with acyanotic, and cyanotic categories separately. rs28711516 (p = 0.003) and rs735712 (p = 0.002) also showed genotypic association. Strongest association was observed with rs735712(p = 0.003) in VSD and maximum association was observed for ASD sub-phenotypes. CONCLUSIONS Caucasian findings were partly replicated in the north Indian population. The findings suggest the contribution of genetic, environmental and sociodemographic factors, warranting continued investigations in this study population.
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Affiliation(s)
- Prachi Kukshal
- Sri Sathya Sai Sanjeevani Research Foundation, NH-2, Delhi-Mathura Highway, Baghola, Haryana, District Palwal, Pin- 121102, India.
| | - Radha O Joshi
- Present address Sri Sathya Sai Sanjeevani Research Foundation, Kharghar, Navi Mumbai- 410210, Maharashtra, India
| | - Ajay Kumar
- Sri Sathya Sai Sanjeevani Research Foundation, NH-2, Delhi-Mathura Highway, Baghola, Haryana, District Palwal, Pin- 121102, India
| | - Shadab Ahamad
- Sri Sathya Sai Sanjeevani Research Foundation, NH-2, Delhi-Mathura Highway, Baghola, Haryana, District Palwal, Pin- 121102, India
| | - Prabhatha Rashmi Murthy
- Sri Sathya Sai Sanjeevani Centre for Child Heart Care and Training in Paediatric Cardiac Skills, Navi Mumbai Maharashtra, India
| | - Yogesh Sathe
- Sri Sathya Sai Sanjeevani International Centre for Child Heart Care & Research, NH-2, Delhi-Mathura Highway, Baghola, District Palwal, Haryana, Pin 121102, India
| | - Krishna Manohar
- Sri Sathya Sai Sanjeevani International Centre for Child Heart Care & Research, NH-2, Delhi-Mathura Highway, Baghola, District Palwal, Haryana, Pin 121102, India
| | - Soma Guhathakurta
- Sri Sathya Sai Sanjeevani Research Foundation, NH-2, Delhi-Mathura Highway, Baghola, Haryana, District Palwal, Pin- 121102, India
| | - Subramanian Chellappan
- Sri Sathya Sai Sanjeevani International Centre for Child Heart Care & Research, NH-2, Delhi-Mathura Highway, Baghola, District Palwal, Haryana, Pin 121102, India.
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Liu Y, Zhong T, Song X, Zhang S, Sun M, Wei J, Shu J, Yang T, Wang T, Qin J. Association of MTR gene polymorphisms with the occurrence of non-syndromic congenital heart disease: a case-control study. Sci Rep 2023; 13:9424. [PMID: 37296303 PMCID: PMC10256807 DOI: 10.1038/s41598-023-36330-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 06/01/2023] [Indexed: 06/12/2023] Open
Abstract
To exhaustively explore the association of infant genetic polymorphisms of methionine synthase (MTR) gene with the risk of non-syndromic congenital heart disease (CHD). A hospital-based case-control study involving 620 CHD cases and 620 health controls was conducted from November 2017 to March 2020. Eighteen SNPs were detected and analyzed. Our date suggested that the genetic polymorphisms of MTR gene at rs1805087 (GG vs. AA: aOR = 6.85, 95% CI 2.94-15.96; the dominant model: aOR = 1.77, 95% CI 1.35-2.32; the recessive model: aOR = 6.26, 95% CI 2.69-14.54; the addictive model: aOR = 1.81, 95% CI 1.44-2.29) and rs2275565 (GT vs. GG: aOR = 1.52, 95% CI 1.15-1.20; TT vs. GG: aOR = 4.93, 95% CI 1.93-12.58; the dominant model: aOR = 1.66, 95% CI 1.27-2.17; the recessive model: aOR = 4.41, 95% CI 1.73-11.22; the addictive model: aOR = 1.68, 95% CI 1.32-2.13) were significantly associated with the higher risk of CHD. And three haplotypes of G-A-T (involving rs4659724, rs95516 and rs4077829; OR = 5.48, 95% CI 2.58-11.66), G-C-A-T-T-G (involving rs2275565, rs1266164, rs2229276, rs4659743, rs3820571 and rs1050993; OR = 0.78, 95% CI 0.63-0.97) and T-C-A-T-T-G (involving rs2275565, rs1266164, rs2229276, rs4659743, rs3820571 and rs1050993; OR = 1.60, 95% CI 1.26-2.04) were observed to be significantly associated with risk of CHD. Our study found that genetic polymorphisms of MTR gene at rs1805087 and rs2275565 were significantly associated with higher risk of CHD. Additionally, our study revealed a significant association of three haplotypes with risk of CHD. However, the limitations in this study should be carefully taken into account. In the future, more specific studies in different ethnic populations are required to refine and confirm our findings.Trial registration: Registration number: ChiCTR1800016635; Date of first registration: 14/06/2018.
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Affiliation(s)
- Yiping Liu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Taowei Zhong
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Xinli Song
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Senmao Zhang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Mengting Sun
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Jianhui Wei
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Jing Shu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
| | - Tubao Yang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Tingting Wang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China
- NHC Key Laboratory of Birth Defect for Research and Prevention, Hunan Provincial Maternal and Child Health Care Hospital, 53 Xiangchun Road, Changsha, 410028, Hunan, China
| | - Jiabi Qin
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, Hunan, China.
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China.
- NHC Key Laboratory of Birth Defect for Research and Prevention, Hunan Provincial Maternal and Child Health Care Hospital, 53 Xiangchun Road, Changsha, 410028, Hunan, China.
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12
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Bolunduț AC, Lazea C, Mihu CM. Genetic Alterations of Transcription Factors and Signaling Molecules Involved in the Development of Congenital Heart Defects-A Narrative Review. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10050812. [PMID: 37238360 DOI: 10.3390/children10050812] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/23/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023]
Abstract
Congenital heart defects (CHD) are the most common congenital abnormality, with an overall global birth prevalence of 9.41 per 1000 live births. The etiology of CHDs is complex and still poorly understood. Environmental factors account for about 10% of all cases, while the rest are likely explained by a genetic component that is still under intense research. Transcription factors and signaling molecules are promising candidates for studies regarding the genetic burden of CHDs. The present narrative review provides an overview of the current knowledge regarding some of the genetic mechanisms involved in the embryological development of the cardiovascular system. In addition, we reviewed the association between the genetic variation in transcription factors and signaling molecules involved in heart development, including TBX5, GATA4, NKX2-5 and CRELD1, and congenital heart defects, providing insight into the complex pathogenesis of this heterogeneous group of diseases. Further research is needed in order to uncover their downstream targets and the complex network of interactions with non-genetic risk factors for a better molecular-phenotype correlation.
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Affiliation(s)
- Alexandru Cristian Bolunduț
- 1st Department of Pediatrics, "Iuliu Hațieganu" University of Medicine and Pharmacy, 400370 Cluj-Napoca, Romania
| | - Cecilia Lazea
- 1st Department of Pediatrics, "Iuliu Hațieganu" University of Medicine and Pharmacy, 400370 Cluj-Napoca, Romania
- 1st Pediatrics Clinic, Emergency Pediatric Hospital, 400370 Cluj-Napoca, Romania
| | - Carmen Mihaela Mihu
- Department of Histology, "Iuliu Hațieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
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13
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Armendariz DA, Goetsch SC, Sundarrajan A, Sivakumar S, Wang Y, Xie S, Munshi NV, Hon GC. CHD-associated enhancers shape human cardiomyocyte lineage commitment. eLife 2023; 12:e86206. [PMID: 37096669 PMCID: PMC10156167 DOI: 10.7554/elife.86206] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/10/2023] [Indexed: 04/26/2023] Open
Abstract
Enhancers orchestrate gene expression programs that drive multicellular development and lineage commitment. Thus, genetic variants at enhancers are thought to contribute to developmental diseases by altering cell fate commitment. However, while many variant-containing enhancers have been identified, studies to endogenously test the impact of these enhancers on lineage commitment have been lacking. We perform a single-cell CRISPRi screen to assess the endogenous roles of 25 enhancers and putative cardiac target genes implicated in genetic studies of congenital heart defects (CHDs). We identify 16 enhancers whose repression leads to deficient differentiation of human cardiomyocytes (CMs). A focused CRISPRi validation screen shows that repression of TBX5 enhancers delays the transcriptional switch from mid- to late-stage CM states. Endogenous genetic deletions of two TBX5 enhancers phenocopy epigenetic perturbations. Together, these results identify critical enhancers of cardiac development and suggest that misregulation of these enhancers could contribute to cardiac defects in human patients.
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Affiliation(s)
- Daniel A Armendariz
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical CenterDallasUnited States
| | - Sean C Goetsch
- Department of Internal Medicine, University of Texas Southwestern Medical CenterDallasUnited States
| | - Anjana Sundarrajan
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical CenterDallasUnited States
| | - Sushama Sivakumar
- Department of Internal Medicine, University of Texas Southwestern Medical CenterDallasUnited States
| | - Yihan Wang
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical CenterDallasUnited States
| | - Shiqi Xie
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical CenterDallasUnited States
| | - Nikhil V Munshi
- Department of Internal Medicine, University of Texas Southwestern Medical CenterDallasUnited States
- Division of Cardiology, Department of Molecular Biology, McDermott Center for Human Growth and Development, University of Texas Southwestern Medical CenterDallasUnited States
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical CenterDallasUnited States
| | - Gary C Hon
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical CenterDallasUnited States
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical CenterDallasUnited States
- Lyda Hill Department of Bioinformatics, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical CenterDallasUnited States
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14
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Chui MMC, Mak CCY, Yu MHC, Wong SYY, Lun KS, Yung TC, Kwong AKY, Chow PC, Chung BHY. Evaluating High-Confidence Genes in Conotruncal Cardiac Defects by Gene Burden Analyses. J Am Heart Assoc 2023; 12:e028226. [PMID: 36789878 PMCID: PMC10111484 DOI: 10.1161/jaha.122.028226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Background In nonsyndromic conotruncal cardiac defects, the use of next-generation sequencing for clinical diagnosis is increasingly adopted, but gene-disease associations in research are only partially translated to diagnostic panels, suggesting a need for evidence-based consensus. Methods and Results In an exome data set of 245 patients with conotruncal cardiac defects, we performed burden analysis on a high-confidence congenital heart disease gene list (n=132) with rare (<0.01%) and ultrarare (absent in the Genome Aggregation Database) protein-altering variants. Overall, we confirmed an excess of rare variants compared with ethnicity-matched controls and identified 2 known genes (GATA6, NOTCH1) and 4 candidate genes supported by the literature (ANKRD11, DOCK6, NPHP4, and STRA6). Ultrarare variant analysis was performed in combination with 3 other published studies (n=1451) and identified 3 genes (FLT4, NOTCH1, TBX1) to be significant, whereas a subgroup analysis involving 391 Chinese subjects identified only GATA6 as significant. Conclusions We suggest that these significant genes in our rare and ultrarare burden analyses warrant prioritization for clinical testing implied for rare inherited and de novo variants. Additionally, associations on ClinVar for these genes were predominantly variants of uncertain significance. Therefore, a more stringent assessment of gene-disease associations in a larger and ethnically diverse cohort is required to be prudent for future curation of conotruncal cardiac defect genes.
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Affiliation(s)
- Martin M C Chui
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China
| | - Christopher C Y Mak
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China
| | - Mullin H C Yu
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China
| | - Sandra Y Y Wong
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China
| | - Kin-Shing Lun
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China.,Department of Paediatrics and Adolescent Medicine The Hong Kong Children's Hospital Hong Kong SAR China
| | - Tak-Cheung Yung
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China.,Department of Paediatrics and Adolescent Medicine The Hong Kong Children's Hospital Hong Kong SAR China
| | - Anna K Y Kwong
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China
| | - Pak-Cheong Chow
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China.,Department of Paediatrics and Adolescent Medicine The Hong Kong Children's Hospital Hong Kong SAR China
| | - Brian H Y Chung
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, LKS Faculty of Medicine The University of Hong Kong Hong Kong SAR China.,Department of Paediatrics and Adolescent Medicine The Hong Kong Children's Hospital Hong Kong SAR China.,Department of Paediatrics and Adolescent Medicine Queen Mary Hospital Hong Kong SAR China
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15
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Lu E, Wu L, Chen B, Xu S, Fu Z, Wu Y, Wu Y, Gu H. Maternal Serum tRNA-Derived Fragments (tRFs) as Potential Candidates for Diagnosis of Fetal Congenital Heart Disease. J Cardiovasc Dev Dis 2023; 10:jcdd10020078. [PMID: 36826574 PMCID: PMC9968204 DOI: 10.3390/jcdd10020078] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/26/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND Congenital heart disease (CHD) is one of the most predominant birth defects that causes infant death worldwide. The timely and successful surgical treatment of CHD on newborns after delivery requires accurate detection and reliable diagnosis during pregnancy. However, there are no biomarkers that can serve as an early diagnostic factor for CHD patients. tRNA-derived fragments (tRFs) have been reported to play an important role in the occurrence and progression of numerous diseases, but their roles in CHD remains unknown. METHODS High-throughput sequencing was performed on the peripheral blood of pregnant women with an abnormal fetal heart and a normal fetal heart, and 728 differentially expressed tRFs/tiRNAs were identified, among which the top 18 tRFs/tiRNAs were selected as predictive biomarkers of CHD. Then, a quantitative reverse transcriptase polymerase chain reaction verified the expression of tRFs/tiRNAs in more clinical samples, and the correlation between tRFs/tiRNAs abnormalities and CHD was analyzed. RESULTS tRF-58:74-Gly-GCC-1 and tiRNA-1:35-Leu-CAG-1-M2 may be promising biomarkers. Through further bioinformatics analysis, we predicted that TRF-58:744-GLy-GCC-1 could induce CHD by influencing biological metabolic processes. CONCLUSIONS Our results provide a theoretical basis for the abnormally expressed tRF-58:74-Gly-GCC-1 in maternal peripheral blood as a new potential biomarker for the accurate diagnosis of CHD during pregnancy.
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Affiliation(s)
- Enkang Lu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
- Central Laboratory of Jiangsu Provincial Maternal and Child Health Care Hospital, Maternal and Child Branch of the First Affiliated Hospital of Nanjing Medical University, Nanjing 210036, China
| | - Lijun Wu
- Department of Ultrasound, Nanjing Maternity and Child Health Care Hospital, Women’s Hospital of Nanjing Medical University, Nanjing 210004, China
| | - Bin Chen
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Shipeng Xu
- Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
| | - Ziyi Fu
- Central Laboratory of Jiangsu Provincial Maternal and Child Health Care Hospital, Maternal and Child Branch of the First Affiliated Hospital of Nanjing Medical University, Nanjing 210036, China
| | - Yun Wu
- Department of Ultrasound, Nanjing Maternity and Child Health Care Hospital, Women’s Hospital of Nanjing Medical University, Nanjing 210004, China
- Correspondence: (Y.W.); (Y.W.); (H.G.); Tel.: +86-189-0518-0170 (Y.W.); +86-139-5194-5999 (Y.W.); +86-139-0159-2427 (H.G.)
| | - Yanhu Wu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
- Correspondence: (Y.W.); (Y.W.); (H.G.); Tel.: +86-189-0518-0170 (Y.W.); +86-139-5194-5999 (Y.W.); +86-139-0159-2427 (H.G.)
| | - Haitao Gu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
- Correspondence: (Y.W.); (Y.W.); (H.G.); Tel.: +86-189-0518-0170 (Y.W.); +86-139-5194-5999 (Y.W.); +86-139-0159-2427 (H.G.)
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16
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Epigenetic Evaluation of the TBX20 Gene and Environmental Risk Factors in Mexican Paediatric Patients with Congenital Septal Defects. Cells 2023; 12:cells12040586. [PMID: 36831251 PMCID: PMC9953838 DOI: 10.3390/cells12040586] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/25/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
The TBX20 gene has a key role during cardiogenesis, and it has been related to epigenetic mechanisms in congenital heart disease (CHD). The purpose of this study was to assess the association between DNA methylation status and congenital septal defects. The DNA methylation of seven CpG sites in the TBX20 gene promoter was analyzed through pyrosequencing as a quantitative method in 48 patients with congenital septal defects and 104 individuals with patent ductus arteriosus (PDA). The average methylation was higher in patients than in PDA (p < 0.001). High methylation levels were associated with a higher risk of congenital septal defects (OR = 4.59, 95% CI = 1.57-13.44, p = 0.005). The ROC curve analysis indicated that methylation of the TBX20 gene could be considered a risk marker for congenital septal defects (AUC = 0.682; 95% CI = 0.58-0.77; p < 0.001). The analysis of environmental risk factors in patients with septal defects and PDA showed an association between the consumption of vitamins (OR = 0.10; 95% CI = 0.01-0.98; p = 0.048) and maternal infections (OR = 3.10; 95% CI = 1.26-7.60; p = 0.013). These results suggest that differences in DNA methylation of the TBX20 gene can be associated with septal defects.
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17
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Patt E, Singhania A, Roberts AE, Morton SU. The Genetics of Neurodevelopment in Congenital Heart Disease. Can J Cardiol 2023; 39:97-114. [PMID: 36183910 DOI: 10.1016/j.cjca.2022.09.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/23/2022] [Accepted: 09/25/2022] [Indexed: 02/07/2023] Open
Abstract
Congenital heart disease (CHD) is the most common birth anomaly, affecting almost 1% of infants. Neurodevelopmental delay is the most common extracardiac feature in people with CHD. Many factors may contribute to neurodevelopmental risk, including genetic factors, CHD physiology, and the prenatal/postnatal environment. Damaging variants are most highly enriched among individuals with extracardiac anomalies or neurodevelopmental delay in addition to CHD, indicating that genetic factors have an impact beyond cardiac tissues in people with CHD. Potential sources of genetic risk include large deletions or duplications that affect multiple genes, such as 22q11 deletion syndrome, single genes that alter both heart and brain development, such as CHD7, and common variants that affect neurodevelopmental resiliency, such as APOE. Increased use of genome-sequencing technologies in studies of neurodevelopmental outcomes in people with CHD will improve our ability to detect relevant genes and variants. Ultimately, such knowledge can lead to improved and more timely intervention of learning support for affected children.
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Affiliation(s)
- Eli Patt
- Harvard Medical School, Boston, Massachusetts, USA
| | - Asmita Singhania
- School of Medical Sciences, University of Manchester, Manchester, United Kingdom
| | - Amy E Roberts
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA; Division of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Sarah U Morton
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA; Division of Newborn Medicine, Boston Children's Hospital, Boston, Massachusetts, USA.
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18
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Lee FT, Sun L, Freud L, Seed M. A guide to prenatal counseling regarding neurodevelopment in congenital heart disease. Prenat Diagn 2022; 43:661-673. [PMID: 36575573 DOI: 10.1002/pd.6292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 12/07/2022] [Accepted: 12/17/2022] [Indexed: 12/29/2022]
Abstract
Advances in cardiac surgical techniques taking place over the past 50 years have resulted in the vast majority of children born with congenital cardiac malformations now surviving into adulthood. As the focus shifts from survival to the functional outcomes of our patients, it is increasingly being recognized that a significant proportion of patients undergoing infant cardiac repair experience adverse neurodevelopmental (ND) outcomes. The etiology of abnormal brain development in the setting of congenital heart disease is poorly understood, complex, and likely multifactorial. Furthermore, the efficacy of therapies available for the learning disabilities, attention deficit, and hyperactivity disorders and other ND deficits complicating congenital heart disease is currently uncertain. This situation presents a challenge for prenatal counseling as current antenatal testing does not usually provide prognostic information regarding the likely ND trajectories of individual patients. However, we believe it is important for parents to be informed about potential issues with child development when a new diagnosis of congenital heart disease is disclosed. Parents deserve a comprehensive and thoughtful approach to this subject, which conveys the uncertainties involved in predicting the severity of any developmental disorders encountered, while emphasizing the improvements in outcomes that have already been achieved in infants with congenital heart disease. A balanced approach to counseling should also discuss what local arrangements are in place for ND follow-up. This review presents an up-to-date overview of ND outcomes in patients with congenital heart disease, providing possible approaches to communicating this information to parents during prenatal counseling in a sensitive and accurate manner.
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Affiliation(s)
- Fu-Tsuen Lee
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Translational Medicine Program, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Department of Physiology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Liqun Sun
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Translational Medicine Program, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Lindsay Freud
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Translational Medicine Program, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Mike Seed
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Translational Medicine Program, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.,Department of Physiology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
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19
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Blue GM, Ip EKK, Troup M, Dale RC, Sholler GF, Harvey RP, Dunwoodie SL, Giannoulatou E, Winlaw DS. Insights into the genetic architecture underlying complex, critical congenital heart disease. Am Heart J 2022; 254:166-171. [PMID: 36115390 DOI: 10.1016/j.ahj.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/06/2022] [Accepted: 09/10/2022] [Indexed: 06/15/2023]
Abstract
Congenital heart disease (CHD) has a multifactorial aetiology, raising the possibility of an underlying genetic burden, predisposing to disease but also variable expression, including variation in disease severity, and incomplete penetrance. Using whole genome sequencing (WGS), the findings of this study, indicate that complex, critical CHD is distinct from other types of disease due to increased genetic burden in common variation, specifically among established CHD genes. Additionally, these findings highlight associations with regulatory genes and environmental "stressors" in the final presentation of disease.
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Affiliation(s)
- Gillian M Blue
- Heart Centre for Children, The Children's Hospital at Westmead, Sydney, Australia; Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Eddie K K Ip
- Victor Chang Cardiac Research Institute, Darlinghurst, Sydney, Australia
| | - Michael Troup
- Victor Chang Cardiac Research Institute, Darlinghurst, Sydney, Australia
| | - Russell C Dale
- Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Gary F Sholler
- Heart Centre for Children, The Children's Hospital at Westmead, Sydney, Australia; Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Richard P Harvey
- Victor Chang Cardiac Research Institute, Darlinghurst, Sydney, Australia; St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, Australia; School of Biotechnology and Biomolecular Science, UNSW Sydney, Sydney, Australia
| | - Sally L Dunwoodie
- Victor Chang Cardiac Research Institute, Darlinghurst, Sydney, Australia; St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Eleni Giannoulatou
- Victor Chang Cardiac Research Institute, Darlinghurst, Sydney, Australia; St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - David S Winlaw
- Heart Centre for Children, The Children's Hospital at Westmead, Sydney, Australia; Sydney Medical School, The University of Sydney, Sydney, Australia; Cincinnati Children's Hospital Medical Center, Heart Institute, Cardiothoracic Surgery, Cincinnati, OH.
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20
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Saacks NA, Eales J, Spracklen TF, Aldersley T, Human P, Verryn M, Lawrenson J, Cupido B, Comitis G, De Decker R, Fourie B, Swanson L, Joachim A, Brooks A, Ramesar R, Shaboodien G, Keavney BD, Zühlke LJ. Investigation of Copy Number Variation in South African Patients With Congenital Heart Defects. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2022; 15:e003510. [PMID: 36205932 PMCID: PMC9770125 DOI: 10.1161/circgen.121.003510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 06/27/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Congenital heart disease (CHD) is a leading non-infectious cause of pediatric morbidity and mortality worldwide. Although the etiology of CHD is poorly understood, genetic factors including copy number variants (CNVs) contribute to the risk of CHD in individuals of European ancestry. The presence of rare CNVs in African CHD populations is unknown. This study aimed to identify pathogenic and likely pathogenic CNVs in South African patients with CHD. METHODS Genotyping was performed on 90 patients with nonsyndromic CHD using the Affymetrix CytoScan HD platform. These data were used to identify large, rare CNVs in known CHD-associated genes and candidate genes. RESULTS We identified eight CNVs overlapping known CHD-associated genes (GATA4, CRKL, TBX1, FLT4, B3GAT3, NSD1) in six patients. The analysis also revealed CNVs encompassing five candidate genes likely to play a role in the development of CHD (DGCR8, KDM2A, JARID2, FSTL1, CYFIP1) in five patients. One patient was found to have 47, XXY karyotype. We report a total discovery yield of 6.7%, with 5.6% of the cohort carrying pathogenic or likely pathogenic CNVs expected to cause the observed phenotypes. CONCLUSIONS In this study, we show that chromosomal microarray is an effective technique for identifying CNVs in African patients diagnosed with CHD and have demonstrated results similar to previous CHD genetic studies in Europeans. Novel potential CHD genes were also identified, indicating the value of genetic studies of CHD in ancestrally diverse populations.
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Affiliation(s)
- Nicole A. Saacks
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - James Eales
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, United Kingdom (J.E., B.D.K.)
| | - Timothy F. Spracklen
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
- Department of Medicine, Cape Heart Institute (T.F.S., G.S., L.J.Z.)
| | - Thomas Aldersley
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - Paul Human
- Chris Barnard Division of Cardiothoracic Surgery, Department of Medicine, Faculty of Health Sciences (P.H., A.B.)
| | - Mark Verryn
- Cardiovascular Genetics Laboratory, Hatter Institute for Cardiovascular Research in Africa (M.V., G.S.)
| | - John Lawrenson
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health, University of Stellenbosch, Cape Town, South Africa (J.L., B.F.)
| | - Blanche Cupido
- Division of Cardiology, Department of Medicine, Groote Schuur Hospital, Faculty of Health Sciences (B.C., L.J.Z.)
| | - George Comitis
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - Rik De Decker
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - Barend Fourie
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health, University of Stellenbosch, Cape Town, South Africa (J.L., B.F.)
| | - Lenise Swanson
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - Alexia Joachim
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
| | - Andre Brooks
- Chris Barnard Division of Cardiothoracic Surgery, Department of Medicine, Faculty of Health Sciences (P.H., A.B.)
| | - Raj Ramesar
- MRC Genomic & Precision Medicine Research Unit, Division of Human Genetics, Dept of Pathology, Institute for Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa (R.R.)
| | - Gasnat Shaboodien
- Department of Medicine, Cape Heart Institute (T.F.S., G.S., L.J.Z.)
- Cardiovascular Genetics Laboratory, Hatter Institute for Cardiovascular Research in Africa (M.V., G.S.)
| | - Bernard D. Keavney
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, United Kingdom (J.E., B.D.K.)
| | - Liesl J. Zühlke
- Division of Pediatric Cardiology, Department of Pediatrics and Child Health (N.A.S., T.F.S., T.A., J.L., G.C., R.D.D., L.S., A.J., L.J.Z.)
- Department of Medicine, Cape Heart Institute (T.F.S., G.S., L.J.Z.)
- Division of Cardiology, Department of Medicine, Groote Schuur Hospital, Faculty of Health Sciences (B.C., L.J.Z.)
- South African Medical Research Council, Cape Town (L.J.Z.)
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21
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Hao L, Ma J, Wu F, Ma X, Qian M, Sheng W, Yan T, Tang N, Jiang X, Zhang B, Xiao D, Qian Y, Zhang J, Jiang N, Zhou W, Chen W, Ma D, Huang G. WDR62 variants contribute to congenital heart disease by inhibiting cardiomyocyte proliferation. Clin Transl Med 2022; 12:e941. [PMID: 35808830 PMCID: PMC9270576 DOI: 10.1002/ctm2.941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 12/02/2022] Open
Abstract
Background Congenital heart disease (CHD) is the most common birth defect and has high heritability. Although some susceptibility genes have been identified, the genetic basis underlying the majority of CHD cases is still undefined. Methods A total of 1320 unrelated CHD patients were enrolled in our study. Exome‐wide association analysis between 37 tetralogy of Fallot (TOF) patients and 208 Han Chinese controls from the 1000 Genomes Project was performed to identify the novel candidate gene WD repeat‐containing protein 62 (WDR62). WDR62 variants were searched in another expanded set of 200 TOF patients by Sanger sequencing. Rescue experiments in zebrafish were conducted to observe the effects of WDR62 variants. The roles of WDR62 in heart development were examined in mouse models with Wdr62 deficiency. WDR62 variants were investigated in an additional 1083 CHD patients with similar heart phenotypes to knockout mice by multiplex PCR‐targeting sequencing. The cellular phenotypes of WDR62 deficiency and variants were tested in cardiomyocytes, and the molecular mechanisms were preliminarily explored by RNA‐seq and co‐immunoprecipitation. Results Seven WDR62 coding variants were identified in the 237 TOF patients and all were indicated to be loss of function variants. A total of 25 coding and 22 non‐coding WDR62 variants were identified in 80 (6%) of the 1320 CHD cases sequenced, with a higher proportion of WDR62 variation (8%) found in the ventricular septal defect (VSD) cohort. WDR62 deficiency resulted in a series of heart defects affecting the outflow tract and right ventricle in mouse models, including VSD as the major abnormality. Cell cycle arrest and an increased number of cells with multipolar spindles that inhibited proliferation were observed in cardiomyocytes with variants or knockdown of WDR62. WDR62 deficiency weakened the association between WDR62 and the cell cycle‐regulated kinase AURKA on spindle poles, reduced the phosphorylation of AURKA, and decreased expression of target genes related to cell cycle and spindle assembly shared by WDR62 and AURKA. Conclusions WDR62 was identified as a novel susceptibility gene for CHD with high variant frequency. WDR62 was shown to participate in the cardiac development by affecting spindle assembly and cell cycle pathway in cardiomyocytes.
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Affiliation(s)
- Lili Hao
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China.,Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jing Ma
- ENT institute, Department of Facial Plastic and Reconstructive Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Feizhen Wu
- Laboratory of Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Xiaojing Ma
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Maoxiang Qian
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Wei Sheng
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Tizhen Yan
- Department of Medical Genetics, Department of Clinical Laboratory, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, Guangxi, China
| | - Ning Tang
- Department of Medical Genetics, Department of Clinical Laboratory, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, Guangxi, China
| | - Xin Jiang
- Medical Laboratory of Nantong ZhongKe, Nantong, Jiangsu
| | - Bowen Zhang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Deyong Xiao
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yanyan Qian
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Jin Zhang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Nan Jiang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Wenhao Zhou
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Weicheng Chen
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China
| | - Duan Ma
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China.,Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Guoying Huang
- Shanghai Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China.,Research Unit of Early Intervention of Genetically Related Childhood Cardiovascular Diseases, Chinese Academy of Medical Sciences, Shanghai, China
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22
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Karazisi C, Dellborg M, Mellgren K, Giang KW, Skoglund K, Eriksson P, Mandalenakis Z. Risk of cancer in young and older patients with congenital heart disease and the excess risk of cancer by syndromes, organ transplantation and cardiac surgery: Swedish health registry study (1930-2017). THE LANCET REGIONAL HEALTH. EUROPE 2022; 18:100407. [PMID: 35663362 PMCID: PMC9156800 DOI: 10.1016/j.lanepe.2022.100407] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Background Increasing survival of patients with congenital heart disease (CHD) will result in an increased risk of age-dependent acquired diseases later in life. We aimed to investigate the risk of cancer in young and older patients with CHD and to evaluate the excess risk of cancer by syndromes, organ transplantation and cardiac surgery. Methods Patients with CHD born between 1930 and 2017 were identified using Swedish Health Registers. Each patient with CHD (n = 89,542) was matched by sex and birth year with ten controls without CHD (n = 890,472) from the Swedish Total Population Register. Findings 4012 patients with CHD (4·5%) and 35,218 controls (4·0%) developed cancer. The median follow-up time was 58·8 (IQR 42·4-69·0) years. The overall cancer risk was 1·23 times higher (95% confidence interval (CI) 1·19-1·27) in patients with CHD compared with matched controls, and remained significant when patients with syndromes and organ transplant recipients were excluded. The risk of cancer was higher in all CHD age groups, and in patients that underwent cardiac surgery during the first year after birth (Hazard Ratio 1·83; 95% CI 1·32-2·54). The highest risk was found in children (0-17 years), HR 3·21 (95% CI 2·90-3·56). Interpretation The cancer risk in patients with CHD was 23% higher than in matched controls without CHD. The highest risk was found in children and in the latest birth cohort (1990-2017). Funding Funding by the Swedish state (Grant Number: 236611), the Swedish Research Council (Grant Number: 2019-00193), the Swedish Childhood Cancer Fund (Grant Number: SP2017-0012) and the Swedish Heart-Lung Foundation (Grant Number: 20190724).
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Affiliation(s)
- Christina Karazisi
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
- Department of Medicine, Sahlgrenska University Hospital, Diagnosvägen 11, Gothenburg SE-416 50, Sweden
| | - Mikael Dellborg
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
- Department of Medicine, Sahlgrenska University Hospital, Diagnosvägen 11, Gothenburg SE-416 50, Sweden
- Adult Congenital Heart Disease Unit, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Karin Mellgren
- Department of Pediatric Oncology, The Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Kok Wai Giang
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
- Department of Medicine, Sahlgrenska University Hospital, Diagnosvägen 11, Gothenburg SE-416 50, Sweden
| | - Kristofer Skoglund
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Peter Eriksson
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
- Department of Medicine, Sahlgrenska University Hospital, Diagnosvägen 11, Gothenburg SE-416 50, Sweden
- Adult Congenital Heart Disease Unit, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Zacharias Mandalenakis
- Institute of Medicine, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
- Department of Medicine, Sahlgrenska University Hospital, Diagnosvägen 11, Gothenburg SE-416 50, Sweden
- Adult Congenital Heart Disease Unit, Sahlgrenska University Hospital, Gothenburg, Sweden
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23
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Dong W, Kaymakcalan H, Jin SC, Diab NS, Tanıdır C, Yalcin ASY, Ercan‐Sencicek AG, Mane S, Gunel M, Lifton RP, Bilguvar K, Brueckner M. Mutation spectrum of congenital heart disease in a consanguineous Turkish population. Mol Genet Genomic Med 2022; 10:e1944. [PMID: 35481623 PMCID: PMC9184665 DOI: 10.1002/mgg3.1944] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/21/2022] [Accepted: 03/25/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUNDS While many studies agree that consanguinity increases the rate of congenital heart disease (CHD), few genome analyses have been conducted with consanguineous CHD cohorts. METHODS We recruited 73 CHD probands from consanguineous families in Turkey and used whole-exome sequencing (WES) to identify genetic lesions in these patients. RESULTS On average, each patient had 6.95 rare damaging homozygous variants, 0.68 of which are loss-of-function (LoF) variants. Seven patients (9.6%) carried damaging homozygous variants in five causal CHD genes. Six of those patients exhibited laterality defects (six HTX and one D-TGA). Three additional patients (4.1%) harbored other types of CHD-associated genomic alterations, which overall explained 13.7% (10/73) of the cohort. The contribution from recessive variants in our cohort is higher than 1.8% reported from a cohort of 2871 CHD subjects where 5.6% of subjects met the criteria for consanguinity. CONCLUSIONS Our WES screen of a Turkish consanguineous population with structural CHD revealed its unique genetic architecture. Six of seven damaging homozygous variants in CHD causal genes occur in the setting of laterality defects implies a strong contribution from consanguinity to these defects specifically. Our study thus provided valuable information about the genetic landscape of CHD in consanguineous families in Turkey.
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Affiliation(s)
- Weilai Dong
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
- Laboratory of Human Genetics and GenomicsThe Rockefeller UniversityNew YorkNew YorkUSA
| | | | - Sheng Chih Jin
- Department of GeneticsWashington University School of MedicineSt. LouisMissouriUSA
| | - Nicholas S. Diab
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
| | - Cansaran Tanıdır
- Department of PediatricsMehmet Akif Ersoy HospitalIstanbulTurkey
| | | | - A. Gulhan Ercan‐Sencicek
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
- Biomedical research and translational medicineMasonic Medical Research InstituteUticaNew YorkUSA
| | - Shrikant Mane
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
| | - Murat Gunel
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
| | - Richard P. Lifton
- Laboratory of Human Genetics and GenomicsThe Rockefeller UniversityNew YorkNew YorkUSA
| | - Kaya Bilguvar
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
- Department of GeneticsYale Center for Genomic AnalysisNew HavenConnecticutUSA
| | - Martina Brueckner
- Department of GeneticsYale School of MedicineNew HavenConnecticutUSA
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24
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Clinical, demographic and genetic features of patients with congenital heart disease : A single center experience. MARMARA MEDICAL JOURNAL 2022. [DOI: 10.5472/marumj.1120570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Rozqie R, Satwiko MG, Anggrahini DW, Sadewa AH, Gunadi, Hartopo AB, Mumpuni H, Dinarti LK. NKX2-5 variants screening in patients with atrial septal defect in Indonesia. BMC Med Genomics 2022; 15:91. [PMID: 35459168 PMCID: PMC9027821 DOI: 10.1186/s12920-022-01242-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 04/11/2022] [Indexed: 12/05/2022] Open
Abstract
Background NKX2-5 variant in atrial septal defect patients has been reported. However, it is not yet been described in the Southeast Asian population. Here, we screened the NKX2-5 variants in patients with atrial septal defect (ASD) in the Indonesian population.
Method We recruited 97 patients with ASD for genetic screening of the NKX2-5 variant using Sanger sequencing. Results We identified three variants of NKX2-5: NM_004387.4:c.63A>G at exon 1, NM_004387.4:c.413G>A, and NM_004387.4:c.561G>C at exon 2. The first variant is commonly found (85.6%) and benign. The last two variants are heterozygous at the same locus. These variants are rare (3.1%) and novel. Interestingly, these variants were discovered in familial atrial septal defects with a spectrum of arrhythmia and severe pulmonary hypertension. Conclusion Our study is the first report of the NKX2-5 variant in ASD patients in the Southeast Asian population, including a novel heterozygous variant: NM_004387.4:c.413G>A and NM_004387.4:c.561G>C. These variants might contribute to familial ASD risk with arrhythmia and severe pulmonary hypertension. Functional studies are necessary to prove our findings. Supplementary Information The online version contains supplementary material available at 10.1186/s12920-022-01242-8.
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Affiliation(s)
- Royhan Rozqie
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia.,UGM Academic Hospital, Yogyakarta, 55291, Indonesia
| | - Muhammad Gahan Satwiko
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia
| | - Dyah Wulan Anggrahini
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia
| | - Ahmad Hamim Sadewa
- Department of Biochemistry, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Gunadi
- Pediatric Surgery Division, Department of Surgery/Genetics Working Group, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia
| | - Anggoro Budi Hartopo
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia
| | - Hasanah Mumpuni
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia
| | - Lucia Kris Dinarti
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital, Yogyakarta, 55281, Indonesia.
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26
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Shi JW, Cao H, Hong L, Ma J, Cui L, Zhang Y, Song X, Liu J, Yang Y, Lv Q, Zhang L, Wang J, Xie M. Diagnostic yield of whole exome data in fetuses aborted for conotruncal malformations. Prenat Diagn 2022; 42:852-861. [PMID: 35420166 DOI: 10.1002/pd.6147] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVE We investigated a custom congenital heart disease (CHD) geneset to assess the diagnostic value of whole-exome sequencing (WES) in karyotype- and copy number variation (CNV)-negative aborted fetuses with conotruncal defects (CTD), and to explore the impact of postnatal phenotyping on genetic diagnosis. METHODS We sequentially analyzed CNV-seq and WES data from 47 CTD fetuses detected by prenatal ultrasonography. Fetuses with either a confirmed aneuploidy or pathogenic CNV were excluded from the WES analyses, which were performed following the American College of Medical Genetics and Genomics recommendations and a custom CHD-geneset. Imaging and autopsy were applied to obtain postnatal phenotypic information about aborted fetuses. RESULTS CNV-seq identified aneuploidy in 7/47 cases while 13/47 fetuses were CNV-positive. Eighty-five rare deleterious variants in 61 genes (from custom geneset) were identified by WES in the remaining fetuses. Of these, five (likely) pathogenic variants (LPV/PV) were identified in five fetuses, revealing a 10.6% incremental diagnostic yield. Furthermore, RERE:c.2461_2472delGGGATGTGGCGA was reclassified as LPV based on postnatal phenotypic data. CONCLUSION We have developed and defined a CHD gene panel that can be utilized in a subset of fetuses with CTDs. We demonstrate the utility of incorporating both prenatal and postnatal phenotypic information may facilitate WES diagnostics. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jia-Wei Shi
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Haiyan Cao
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Liu Hong
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Jing Ma
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Li Cui
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yi Zhang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Xiaoyan Song
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Juanjuan Liu
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yali Yang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Qing Lv
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Li Zhang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Jing Wang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Mingxing Xie
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
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27
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PTPN11 Gene Mutations and Its Association with the Risk of Congenital Heart Disease. DISEASE MARKERS 2022; 2022:8290779. [PMID: 35440950 PMCID: PMC9013483 DOI: 10.1155/2022/8290779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/14/2022] [Accepted: 03/18/2022] [Indexed: 12/24/2022]
Abstract
Congenital heart disease (CHD) is the most common congenital birth defect, with a prevalence of 8.98‰ of all live births in China. PTPN11 has been known to be closely involved in heart developments. In this research, we carried out whole-exome sequencing in nine CHD families and identified eight rare deleterious missense variants of PTPN11 gene in nine probands by stringently filtering criteria. Sanger sequencing of these probands and their unaffected familiar members revealed that six damaging variants were de novo in seven CHD families. Then, targeted sequencing was used to assess the PTPN11 exon variants in 672 sporadic CHD cases and 399 unrelated controls and identified 7 deleterious missense variants in 8 patients. Fisher's exact test reveals a significant association of PTPN11 variations with CHD (P = 0.0289). We observed the distribution of different subtypes in CHD patients with PTPN11 variants and found atrial septal defect (ASD) is a prominent phenotype (58.8%, 10/17). In vitro functional assays revealed that the predicted PTPN11 variants disturb RAS-mitogen-activated protein kinase signaling activity by influencing the phosphorylation level of pathway proteins and increasing the proliferation and migration abilities of cardiomyocytes to different extents. Our findings demonstrated that PTPN11 variants were associated with increased risk of CHD development and may be served as an important susceptible genetic event for CHD, especially the ASD subphenotype.
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28
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Peng R, Li B, Chen S, Shi Z, Yu L, Gao Y, Yang X, Lu L, Wang H. Deleterious Rare Mutations of GLI1 Dysregulate Sonic Hedgehog Signaling in Human Congenital Heart Disease. Front Cardiovasc Med 2022; 9:798033. [PMID: 35445092 PMCID: PMC9014293 DOI: 10.3389/fcvm.2022.798033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 03/03/2022] [Indexed: 11/22/2022] Open
Abstract
The Glioma-associated oncogene (Gli) family members of zinc finger DNA-binding proteins are core effectors of Sonic hedgehog (SHH) signaling pathway. Studies in model organisms have identified that the Gli genes play critical roles during organ development, including the heart, brain, kidneys, etc. Deleterious mutations in GLI genes have previously been revealed in several human developmental disorders, but few in congenital heart disease (CHD). In this study, the mutations in GLI1-3 genes were captured by next generation sequencing in human cohorts composed of 412 individuals with CHD and 213 ethnically matched normal controls. A total of 20 patient-specific nonsynonymous rare mutations in coding regions of human GLI1-3 genes were identified. Functional analyses showed that GLI1 c.820G> T (p.G274C) is a gain-of-function mutation, while GLI1 c.878G>A (p.R293H) and c.1442T>A (p.L481X) are loss-of-function mutations. Our findings suggested that deleterious rare mutations in GLI1 gene broke the balance of the SHH signaling pathway regulation and may constitute a great contribution to human CHD, which shed new light on understanding genetic mechanism of embryo cardiogenesis regulated by SHH signaling.
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Affiliation(s)
- Rui Peng
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Binbin Li
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado Boulder, Boulder, CO, United States
- Center for Craniofacial Molecular Biology, University of Southern California, Los Angeles, CA, United States
| | - Shuxia Chen
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Zhiwen Shi
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Liwei Yu
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- SUNY Downstate Medical Center, Children's Hospital at Downstate, Brooklyn, NY, United States
| | - Yunqian Gao
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Department of Laboratory Medicine, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xueyan Yang
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Lei Lu
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Hongyan Wang
- NHC Key Laboratory of Reproduction Regulation, State Key Laboratory of Genetic Engineering, Obstetrics and Gynecology Hospital, Shanghai Institute of Planned Parenthood Research, Institute of Reproduction and Development, Children's Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Metabolic Remodeling and Health, School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
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Zhang Y, Gui Y, Chen X, Wang F, Wu F, Wang Y, Wang X, Gui Y, Li Q. Identification and validation of cardiac nonconserved human-specific enhancers. Genes Dis 2022; 10:55-57. [PMID: 37013061 PMCID: PMC10066254 DOI: 10.1016/j.gendis.2022.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/30/2022] [Accepted: 03/03/2022] [Indexed: 10/18/2022] Open
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Whole genome sequencing in transposition of the great arteries and associations with clinically relevant heart, brain and laterality genes. Am Heart J 2022; 244:1-13. [PMID: 34670123 DOI: 10.1016/j.ahj.2021.10.185] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 10/08/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND The most common cyanotic congenital heart disease (CHD) requiring management as a neonate is transposition of great arteries (TGA). Clinically, up to 50% of TGA patients develop some form of neurodevelopmental disability (NDD), thought to have a significant genetic component. A "ciliopathy" and links with laterality disorders have been proposed. This first report of whole genome sequencing in TGA, sought to identify clinically relevant variants contributing to heart, brain and laterality defects. METHODS Initial whole genome sequencing analyses on 100 TGA patients focussed on established disease genes related to CHD (n = 107), NDD (n = 659) and heterotaxy (n = 74). Single variant as well as copy number variant analyses were conducted. Variant pathogenicity was assessed using the American College of Medical Genetics and Genomics-Association for Molecular Pathology guidelines. RESULTS Fifty-five putatively damaging variants were identified in established disease genes associated with CHD, NDD and heterotaxy; however, no clinically relevant variants could be attributed to disease. Notably, case-control analyses identified significantly more predicted-damaging, silent and total variants in TGA cases than healthy controls in established CHD genes (P < .001), NDD genes (P < .001) as well as across the three gene panels (P < .001). CONCLUSION We present compelling evidence that the majority of TGA is not caused by monogenic rare variants and is most likely oligogenic and/or polygenic in nature, highlighting the complex genetic architecture and multifactorial influences on this CHD sub-type and its long-term sequelae. Assessment of variant burden in key heart, brain and/or laterality genes may be required to unravel the genetic contributions to TGA and related disabilities.
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Amini-Rarani M, Vahedi S, Borjali M, Nosratabadi M. Socioeconomic inequality in congenital heart diseases in Iran. Int J Equity Health 2021; 20:251. [PMID: 34863190 PMCID: PMC8645115 DOI: 10.1186/s12939-021-01591-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 11/15/2021] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Social-economic factors have an important role in shaping inequality in congenital heart diseases. The current study aimed to assess and decompose the socio-economic inequality in Congenital Heart Diseases (CHDs) in Iran. METHODS This is a cross-sectional research conducted at Shahid Rajaie Cardiovascular Medical and Research Center in Tehran, Iran, as one of the largest referral heart hospitals in Asia. Data were collected primarily from 600 mothers who attended in pediatric cardiology department in 2020. The polychoric principal component analysis (PCA) and Errygers corrected CI (ECI) were used to construct household socioeconomic status and to assess inequality in CHDs, respectively. A regression-based decomposition analysis was also applied to explain socioeconomic-related inequalities. To select the explanatory social, medical/biological, and lifestyle variables, the chi-square test was first used. RESULTS There was a significant pro-rich inequality in CHDs (ECI = -0.65, 95% CI, - 0.72 to - 0.58). The social, medical/biological, and lifestyle variables accounted for 51.47, 43.25, and 3.92% of inequality in CHDs, respectively. Among the social variables, family SES (about 50%) and mother's occupation (21.05%) contributed the most to CHDs' inequality. Besides, in the medical/biological group, receiving pregnancy care (22.06%) and using acid folic (15.70%) had the highest contribution. CONCLUSION We concluded that Iran suffers from substantial socioeconomic inequality in CHDs that can be predominantly explained by social and medical/biological variables. It seems that distributional policies aim to reduce income inequality while increasing access of prenatal care and folic acid for disadvantaged mothers could address this inequality much more strongly in Iran.
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Affiliation(s)
- Mostafa Amini-Rarani
- Health Management and Economics Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sajad Vahedi
- Department of Health Care Management, School of Public Health, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
| | - Maryam Borjali
- Department of Health and Social Welfare, School of Management and Medical Information Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Nosratabadi
- Social Determinants of Health Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Geremek M, Szklanny K. Deep Learning-Based Analysis of Face Images as a Screening Tool for Genetic Syndromes. SENSORS 2021; 21:s21196595. [PMID: 34640916 PMCID: PMC8513065 DOI: 10.3390/s21196595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 11/30/2022]
Abstract
Approximately 4% of the world’s population suffers from rare diseases. A vast majority of these disorders have a genetic background. The number of genes that have been linked to human diseases is constantly growing, but there are still genetic syndromes that remain to be discovered. The diagnostic yield of genetic testing is continuously developing, and the need for testing is becoming more significant. Due to limited resources, including trained clinical geneticists, patients referred to clinical genetics units must be accurately selected. Around 30–40% of genetic disorders are associated with specific facial characteristics called dysmorphic features. As part of our research, we analyzed the performance of classifiers based on deep learning face recognition models in detecting dysmorphic features. We tested two classification problems: a multiclass problem (15 genetic disorders vs. controls) and a two-class problem (disease vs. controls). In the multiclass task, the best result reached an accuracy level of 84%. The best accuracy result in the two-class problem reached 96%. More importantly, the binary classifier detected disease features in patients with diseases that were not previously present in the training dataset. The classifier was able to generalize differences between patients and controls, and to detect abnormalities without information about the specific disorder. This indicates that a screening tool based on deep learning and facial recognition could not only detect known diseases, but also detect patients with diseases that were not previously known. In the future, this tool could help in screening patients before they are referred to the genetic unit.
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Affiliation(s)
- Maciej Geremek
- Department of Medical Genetics, Institute of Mother and Child, 01-211 Warsaw, Poland;
| | - Krzysztof Szklanny
- Multimedia Department, Polish-Japanese Academy of Information Technology, 02-008 Warsaw, Poland
- Correspondence:
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Wang Z, Wang H, Zhang Y, Yu F, Yu L, Zhang C. Single-cell RNA sequencing analysis to characterize cells and gene expression landscapes in atrial septal defect. J Cell Mol Med 2021; 25:9660-9673. [PMID: 34514716 PMCID: PMC8505850 DOI: 10.1111/jcmm.16914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/30/2021] [Accepted: 08/23/2021] [Indexed: 12/14/2022] Open
Abstract
This study aimed to characterize the cells and gene expression landscape in atrial septal defect (ASD). We performed single-cell RNA sequencing of cells derived from cardiac tissue of an ASD patient. Unsupervised clustering analysis was performed to identify different cell populations, followed by the investigation of the cellular crosstalk by analysing ligand-receptor interactions across cell types. Finally, differences between ASD and normal samples for all cell types were further investigated. An expression matrix of 18,411 genes in 6487 cells was obtained and used in this analysis. Five cell types, including cardiomyocytes, endothelial cells, smooth muscle cells, fibroblasts and macrophages were identified. ASD showed a decreased proportion of cardiomyocytes and an increased proportion of fibroblasts. There was more cellular crosstalk among cardiomyocytes, fibroblasts and macrophages, especially between fibroblast and macrophage. For all cell types, the majority of the DEGs were downregulated in ASD samples. For cardiomyocytes, there were 199 DEGs (42 upregulated and 157 downregulated) between ASD and normal samples. PPI analysis showed that cardiomyocyte marker gene FABP4 interacted with FOS, while FOS showed interaction with NPPA. Cell trajectory analysis showed that FABP4, FOS, and NPPA showed different expression changes along the pseudotime trajectory. Our results showed that single-cell RNA sequencing provides a powerful tool to study DEG profiles in the cell subpopulations of interest at the single-cell level. These findings enhance the understanding of the underlying mechanisms of ASD at both the cellular and molecular level and highlight potential targets for the treatment of ASD.
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Affiliation(s)
- Zunzhe Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Huating Wang
- Department of Cardiology, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Ya Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Fangpu Yu
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Liwen Yu
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Cheng Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
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Ison HE, Griffin EL, Parrott A, Shikany AR, Meyers L, Thomas MJ, Syverson E, Demo EM, Fitzgerald KK, Fitzgerald-Butt S, Ziegler KL, Schartman AF, Stone KM, Helm BM. Genetic counseling for congenital heart disease - Practice resource of the national society of genetic counselors. J Genet Couns 2021; 31:9-33. [PMID: 34510635 DOI: 10.1002/jgc4.1498] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 08/02/2021] [Accepted: 08/02/2021] [Indexed: 12/11/2022]
Abstract
Congenital heart disease (CHD) is an indication which spans multiple specialties across various genetic counseling practices. This practice resource aims to provide guidance on key considerations when approaching counseling for this particular indication while recognizing the rapidly changing landscape of knowledge within this domain. This resource was developed with consensus from a diverse group of certified genetic counselors utilizing literature relevant for CHD genetic counseling practice and is aimed at supporting genetic counselors who encounter this indication in their practice both pre- and postnatally.
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Affiliation(s)
- Hannah E Ison
- Stanford Center for Inherited Cardiovascular Disease, Stanford Health Care, Stanford, California, USA
| | - Emily L Griffin
- Department of Pediatrics, Columbia University Medical Center, New York, New York, USA
| | | | - Amy R Shikany
- Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
| | | | - Matthew J Thomas
- Department of Pediatrics, Division of Genetics, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Erin Syverson
- Department of Pediatrics, Division of Genetics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Erin M Demo
- Sibley Heart Center Cardiology at Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Kristi K Fitzgerald
- Nemours Cardiac Center, Alfred I. DuPont Hospital for Children, Wilmington, Delaware, USA
| | - Sara Fitzgerald-Butt
- Department of Medical & Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | | | - Allison F Schartman
- Department of Obstetrics & Gynecology, Division of Maternal Fetal Medicine, Indiana University Health, Indianapolis, Indiana, USA
| | - Kristyne M Stone
- Department of Obstetrics & Gynecology, Division of Maternal Fetal Medicine, Indiana University Health, Indianapolis, Indiana, USA
| | - Benjamin M Helm
- Department of Medical & Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Epidemiology, Indiana University Fairbanks School of Public Health, Indianapolis, Indiana, USA
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Alankarage D, Szot JO, Pachter N, Slavotinek A, Selleri L, Shieh JT, Winlaw D, Giannoulatou E, Chapman G, Dunwoodie SL. Functional characterization of a novel PBX1 de novo missense variant identified in a patient with syndromic congenital heart disease. Hum Mol Genet 2021; 29:1068-1082. [PMID: 31625560 DOI: 10.1093/hmg/ddz231] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/13/2019] [Accepted: 09/23/2019] [Indexed: 12/17/2022] Open
Abstract
Pre-B cell leukemia factor 1 (PBX1) is an essential developmental transcription factor, mutations in which have recently been associated with CAKUTHED syndrome, characterized by multiple congenital defects including congenital heart disease (CHD). During analysis of a whole-exome-sequenced cohort of heterogeneous CHD patients, we identified a de novo missense variant, PBX1:c.551G>C p.R184P, in a patient with tetralogy of Fallot with absent pulmonary valve and extra-cardiac phenotypes. Functional analysis of this variant by creating a CRISPR-Cas9 gene-edited mouse model revealed multiple congenital anomalies. Congenital heart defects (persistent truncus arteriosus and ventricular septal defect), hypoplastic lungs, hypoplastic/ectopic kidneys, aplastic adrenal glands and spleen, as well as atretic trachea and palate defects were observed in the homozygous mutant embryos at multiple stages of development. We also observed developmental anomalies in a proportion of heterozygous embryos, suggestive of a dominant mode of inheritance. Analysis of gene expression and protein levels revealed that although Pbx1 transcripts are higher in homozygotes, amounts of PBX1 protein are significantly decreased. Here, we have presented the first functional model of a missense PBX1 variant and provided strong evidence that p.R184P is disease-causal. Our findings also expand the phenotypic spectrum associated with pathogenic PBX1 variants in both humans and mice.
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Affiliation(s)
- Dimuthu Alankarage
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia
| | - Justin O Szot
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia
| | - Nick Pachter
- Genetic Services of Western Australia, King Edward Memorial Hospital, Western Australia, 6008 Perth, Australia.,University of Western Australia, School of Paediatrics and Child Health, Western Australia, 6009 Perth, Australia
| | - Anne Slavotinek
- Division of Medical Genetics, Department of Pediatrics, University of California San Francisco, San Francisco, 94158 CA, USA.,Institute of Human Genetics, University of California San Francisco, San Francisco, 94143 CA, USA
| | - Licia Selleri
- Institute of Human Genetics, University of California San Francisco, San Francisco, 94143 CA, USA.,Program in Craniofacial Biology, Department of Orofacial Sciences, University of California San Francisco, San Francisco, 94143 CA, USA.,Department of Anatomy, University of California San Francisco, San Francisco, 94143 CA, USA
| | - Joseph T Shieh
- Division of Medical Genetics, Department of Pediatrics, University of California San Francisco, San Francisco, 94158 CA, USA.,Institute of Human Genetics, University of California San Francisco, San Francisco, 94143 CA, USA
| | - David Winlaw
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia.,Heart Centre for Children, The Children's Hospital at Westmead, New South Wales, 2145 Sydney, Australia.,Discipline of Child and Adolescent Health, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, New South Wales, 2006 Sydney, Australia
| | - Eleni Giannoulatou
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia.,Faculty of Medicine, University of New South Wales, St Vincent's Clinical School, New South Wales, 2010 Sydney, Australia
| | - Gavin Chapman
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia.,Faculty of Medicine, University of New South Wales, St Vincent's Clinical School, New South Wales, 2010 Sydney, Australia
| | - Sally L Dunwoodie
- Victor Chang Cardiac Research Institute, Department of Embryology, New South Wales, 2010 Sydney, Australia.,Faculty of Medicine, University of New South Wales, St Vincent's Clinical School, New South Wales, 2010 Sydney, Australia
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Chromosomal microarray detects genetic risks of neurodevelopmental disorders in newborns with congenital heart disease. Cardiol Young 2021; 31:1275-1282. [PMID: 33536103 DOI: 10.1017/s1047951121000202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To compare the genetic testing results of neonates with CHD by chromosomal microarray to karyotyping and fluorescence in situ hybridisation analysis. METHODS This was a single-centre retrospective comparative study of patients with CHD and available genetic testing results admitted to the cardiac ICU between January, 2004 and December, 2017. Patients from 2004 to 2010 were tested by karyotyping and fluorescence in situ hybridisation analysis, while patients from 2012 to 2017 were analysed by chromosomal microarray. RESULTS Eight-hundred and forty-nine neonates with CHD underwent genetic testing, 482 by karyotyping and fluorescence in situ hybridization, and 367 by chromosomal microarray. In the karyotyping and fluorescence in situ hybridisation analysis group, 86/482 (17.8%) had genetic abnormalities detected, while in the chromosomal microarray group, 135/367 (36.8%) had genetic abnormalities detected (p < 0.00001). Of patients with abnormal chromosomal microarray results, 41/135 (30.4%) had genetic abnormality associated with neurodevelopmental disorders that were exclusively identified by chromosomal microarray. Conotruncal abnormalities were the most common diagnosis in both groups, with karyotyping and fluorescence in situ hybridisation analysis detecting genetic abnormalities in 26/160 (16.3%) patients and chromosomal microarray detecting abnormalities in 41/135 (30.4%) patients (p = 0.004). In patients with d-transposition of the great arteries, 0/68 (0%) were found to have genetic abnormalities by karyotyping and fluorescence in situ hybridisation compared to 7/54 (13.0%) by chromosomal microarray. CONCLUSIONS Chromosomal microarray identified patients with CHD at genetic risk of neurodevelopmental disorders, allowing earlier intervention with multidisciplinary care and more accurate pre-surgical prognostic counselling.
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Fan D, Pang S, Chen J, Shan J, Cheng Q, Yan B. Identification and functional study of GATA4 gene regulatory variants in atrial septal defects. BMC Cardiovasc Disord 2021; 21:321. [PMID: 34193080 PMCID: PMC8243876 DOI: 10.1186/s12872-021-02136-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 06/24/2021] [Indexed: 11/29/2022] Open
Abstract
Background Congenital heart disease (CHD) is the leading cause of mortality from birth defects. In adult CHD patients with successful surgical repair, cardiac complications including heart failure develop at late stage, likely due to genetic causes. To date, many mutations in cardiac developmental genes have been associated with CHD. Recently, regulatory variants in genes have been linked to many human diseases. Although mutations and splicing variants in GATA4 gene have been reported in CHD patients, few regulatory variants of GATA4 gene are identified in CHD patients. Methods GATA4 gene regulatory region was investigated in the patients with atrial septal defects (ASD) (n = 332) and ethnic-matched controls (n = 336). Results Five heterozygous regulatory variants including four SNPs [g.31360 T>C (rs372004083), g.31436G>A, g.31437C>A (rs769262495), g.31487C>G (rs1053351749) and g.31856C>T (rs1385460518)] were only identified in ASD patients. Functional analysis indicated that the regulatory variants significantly affected the transcriptional activity of GATA4 gene promoter. Furthermore, two of the five regulatory variants have evidently effected on transcription factor binding sites. Conclusions Our data suggested that GATA4 gene regulatory variants may confer ASD susceptibility by decreasing GATA4 levels. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-021-02136-w.
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Affiliation(s)
- Dongchen Fan
- Division of Medical Ultrasonics, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China
| | - Shuchao Pang
- Center for Molecular Genetics of Cardiovascular Diseases, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China.,Shandong Provincial Key Laboratory of Cardiac Disease Diagnosis and Treatment, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China.,Shandong Provincial Sino-US Cooperation Research Center for Translational Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China
| | - Jing Chen
- Department of Medicine, Shandong University School of Medicine, Jinan, 250012, Shandong, China
| | - Jiping Shan
- Division of Cardiac Surgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China
| | - Qianjin Cheng
- Division of Cardiac Surgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China. .,Shandong Provincial Key Laboratory of Cardiac Disease Diagnosis and Treatment, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Jining, 272029, Shandong, China.
| | - Bo Yan
- Center for Molecular Genetics of Cardiovascular Diseases, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China. .,Shandong Provincial Key Laboratory of Cardiac Disease Diagnosis and Treatment, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China. .,Shandong Provincial Sino-US Cooperation Research Center for Translational Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, China. .,Center for Molecular Medicine, Yanzhou People's Hospital, Jining, 272100, Shandong, China. .,Shandong Provincial Key Laboratory of Cardiac Disease Diagnosis and Treatment, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Jining, 272029, Shandong, China.
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Diz OM, Toro R, Cesar S, Gomez O, Sarquella-Brugada G, Campuzano O. Personalized Genetic Diagnosis of Congenital Heart Defects in Newborns. J Pers Med 2021; 11:562. [PMID: 34208491 PMCID: PMC8235407 DOI: 10.3390/jpm11060562] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/08/2021] [Accepted: 06/13/2021] [Indexed: 12/26/2022] Open
Abstract
Congenital heart disease is a group of pathologies characterized by structural malformations of the heart or great vessels. These alterations occur during the embryonic period and are the most frequently observed severe congenital malformations, the main cause of neonatal mortality due to malformation, and the second most frequent congenital malformations overall after malformations of the central nervous system. The severity of different types of congenital heart disease varies depending on the combination of associated anatomical defects. The causes of these malformations are usually considered multifactorial, but genetic variants play a key role. Currently, use of high-throughput genetic technologies allows identification of pathogenic aneuploidies, deletions/duplications of large segments, as well as rare single nucleotide variants. The high incidence of congenital heart disease as well as the associated complications makes it necessary to establish a diagnosis as early as possible to adopt the most appropriate measures in a personalized approach. In this review, we provide an exhaustive update of the genetic bases of the most frequent congenital heart diseases as well as other syndromes associated with congenital heart defects, and how genetic data can be translated to clinical practice in a personalized approach.
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Affiliation(s)
- Olga María Diz
- UGC Laboratorios, Hospital Universitario Puerta del Mar, 11009 Cadiz, Spain;
- Biochemistry and Molecular Genetics Department, Hospital Clinic of Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08950 Barcelona, Spain
| | - Rocio Toro
- Medicine Department, School of Medicine, Cádiz University, 11519 Cadiz, Spain;
| | - Sergi Cesar
- Arrhythmia, Inherited Cardiac Diseases and Sudden Death Unit, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de Déu, University of Barcelona, 08007 Barcelona, Spain;
| | - Olga Gomez
- Fetal Medicine Research Center, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08950 Barcelona, Spain;
- Centre for Biomedical Research on Rare Diseases (CIBER-ER), 28029 Madrid, Spain
| | - Georgia Sarquella-Brugada
- Arrhythmia, Inherited Cardiac Diseases and Sudden Death Unit, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de Déu, University of Barcelona, 08007 Barcelona, Spain;
- Medical Science Department, School of Medicine, University of Girona, 17003 Girona, Spain
| | - Oscar Campuzano
- Biochemistry and Molecular Genetics Department, Hospital Clinic of Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08950 Barcelona, Spain
- Medical Science Department, School of Medicine, University of Girona, 17003 Girona, Spain
- Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBER-CV), 28029 Madrid, Spain
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From Stem Cells to Populations-Using hiPSC, Next-Generation Sequencing, and GWAS to Explore the Genetic and Molecular Mechanisms of Congenital Heart Defects. Genes (Basel) 2021; 12:genes12060921. [PMID: 34208537 PMCID: PMC8235101 DOI: 10.3390/genes12060921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/01/2021] [Accepted: 06/12/2021] [Indexed: 01/16/2023] Open
Abstract
Congenital heart defects (CHD) are developmental malformations affecting the heart and the great vessels. Early heart development requires temporally regulated crosstalk between multiple cell types, signaling pathways, and mechanical forces of early blood flow. While both genetic and environmental factors have been recognized to be involved, identifying causal genes in non-syndromic CHD has been difficult. While variants following Mendelian inheritance have been identified by linkage analysis in a few families with multiple affected members, the inheritance pattern in most familial cases is complex, with reduced penetrance and variable expressivity. Furthermore, most non-syndromic CHD are sporadic. Improved sequencing technologies and large biobank collections have enabled genome-wide association studies (GWAS) in non-syndromic CHD. The ability to generate human to create human induced pluripotent stem cells (hiPSC) and further differentiate them to organotypic cells enables further exploration of genotype–phenotype correlations in patient-derived cells. Here we review how these technologies can be used in unraveling the genetics and molecular mechanisms of heart development.
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Liang F, Wang B, Geng J, You G, Fa J, Zhang M, Sun H, Chen H, Fu Q, Zhang X, Zhang Z. SORBS2 is a genetic factor contributing to cardiac malformation of 4q deletion syndrome patients. eLife 2021; 10:e67481. [PMID: 34099102 PMCID: PMC8186900 DOI: 10.7554/elife.67481] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/16/2021] [Indexed: 11/15/2022] Open
Abstract
Chromosome 4q deletion is one of the most frequently detected genomic imbalance events in congenital heart disease (CHD) patients. However, a portion of CHD-associated 4q deletions without known CHD genes suggests unknown CHD genes within these intervals. Here, we have shown that knockdown of SORBS2, a 4q interval gene, disrupted sarcomeric integrity of cardiomyocytes and caused reduced cardiomyocyte number in human embryonic stem cell differentiation model. Molecular analyses revealed decreased expression of second heart field (SHF) marker genes and impaired NOTCH and SHH signaling in SORBS2-knockdown cells. Exogenous SHH rescued SORBS2 knockdown-induced cardiomyocyte differentiation defects. Sorbs2-/- mouse mutants had atrial septal hypoplasia/aplasia or double atrial septum (DAS) derived from impaired posterior SHF with a similar expression alteration. Rare SORBS2 variants were significantly enriched in a cohort of 300 CHD patients. Our findings indicate that SORBS2 is a regulator of SHF development and its variants contribute to CHD pathogenesis. The presence of DAS in Sorbs2-/- hearts reveals the first molecular etiology of this rare anomaly linked to paradoxical thromboembolism.
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MESH Headings
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Adolescent
- Animals
- Case-Control Studies
- Cell Differentiation
- Child
- Child, Preschool
- Chromosome Deletion
- Chromosome Disorders/diagnosis
- Chromosome Disorders/genetics
- Chromosomes, Human, Pair 4/genetics
- Databases, Genetic
- Female
- Gene Expression Regulation, Developmental
- Genetic Predisposition to Disease
- HEK293 Cells
- Heart Defects, Congenital/diagnosis
- Heart Defects, Congenital/genetics
- Heart Defects, Congenital/metabolism
- Hedgehog Proteins/genetics
- Hedgehog Proteins/metabolism
- Human Embryonic Stem Cells/metabolism
- Human Embryonic Stem Cells/pathology
- Humans
- Infant
- Infant, Newborn
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Mutation
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/pathology
- Phenotype
- RNA-Binding Proteins/genetics
- RNA-Binding Proteins/metabolism
- Receptors, Notch/genetics
- Receptors, Notch/metabolism
- Signal Transduction
- Mice
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Affiliation(s)
- Fei Liang
- Neonatal Intensive Care Unit, Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Bo Wang
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Juan Geng
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Guoling You
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jingjing Fa
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Min Zhang
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hunying Sun
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Huiwen Chen
- Department of thoracic and cardiac surgery, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Qihua Fu
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xiaoqing Zhang
- Shanghai Key Laboratory of Clinical Molecular Diagnostics for Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Zhen Zhang
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of MedicineShanghaiChina
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A new era of genetic testing in congenital heart disease: A review. Trends Cardiovasc Med 2021; 32:311-319. [PMID: 33964404 DOI: 10.1016/j.tcm.2021.04.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/07/2021] [Accepted: 04/29/2021] [Indexed: 11/24/2022]
Abstract
Genetic and genomic testing in pediatric CHD is becoming increasingly routine, and can have important psychosocial, clinical and reproductive implications. In this paper we highlight important challenges and considerations when providing genetics consults and testing in pediatric CHD and illustrate the role of a dedicated CHD genetics clinic. Key lessons include that a) a genetic diagnosis can have clinical utility that justifies testing early in life, b) adequate genetic counselling is crucial to ensure families are supported, understand the range of possible results, and are prepared for new or unexpected health information, and c) further integration of the clinical genetics and cardiology workflows will be required to effectively manage the burgeoning information arising from genetic testing. Our experience demonstrates that a dedicated CHD genetics clinic is a valuable addition to a multidisciplinary team providing care to children with CHD.
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Precision Medicine in Cardiovascular Disease: Genetics and Impact on Phenotypes: JACC Focus Seminar 1/5. J Am Coll Cardiol 2021; 77:2517-2530. [PMID: 34016265 DOI: 10.1016/j.jacc.2020.12.071] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 12/23/2022]
Abstract
Our understanding of the genetic basis of cardiovascular diseases (CVDs) has evolved rapidly. This has resulted from a combination of dedicated research in well phenotyped CVD patients, the sequencing of the human genome, and the ready accessibility and decreasing cost of next-generation sequencing technologies. This increased knowledge of the genetic basis of CVDs has heralded the era of precision medicine. This encompasses many elements including improved diagnosis, family screening, assistance with reproductive decisions, targeted therapeutics guided by both phenotype and genotype, and providing important insights into risk stratification and prognosis. Furthermore, novel insights into genetic mechanisms, clinical rollout of polygenic risk scores for common CVDs, and the promise of genome editing approaches to effectively cure disease represent some of the exciting future endeavors that will change established clinical approaches. This Part 1 of a 5-part series focuses on the underpinnings and fundamental aspects of precision medicine.
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Stefekova A, Capkova P, Capkova Z, Curtisova V, Srovnal J, Mracka E, Klaskova E, Prochazka M. MLPA analysis of 32 foetuses with a congenital heart defect and 1 foetus with renal defects - pilot study. The significant frequency rate of presented pathological CNV. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2021; 166:187-194. [PMID: 33824538 DOI: 10.5507/bp.2021.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 03/17/2021] [Indexed: 11/23/2022] Open
Abstract
AIMS The aim of this retrospective study was to determine the detection rate of the pathogenic copy number variants (CNVs) in a cohort of 33 foetuses - 32 with CHD (congenital heart defects) and 1 with kidney defect, after exclusion of common aneuploidies (trisomy 13, 18, 21, and monosomy X) by karyotyping, Multiplex ligation - dependent probe amplification (MLPA) and chromosomal microarray analysis (CMA). We also assess the effectivity of MLPA as a method of the first tier for quick and inexpensive detection of mutations, causing congenital malformations in foetuses. METHODS MLPA with probe mixes P070, P036 - Telomere 3 and 5, P245 - microdeletions, P250 - DiGeorge syndrome, and P311 - CHD (Congenital heart defects) was performed in 33 samples of amniotic fluid and chorionic villi. CMA was performed in 10 relevant cases. RESULTS Pathogenic CNVs were found in 5 samples: microdeletions in region 22q11.2 (≈2 Mb) in two foetuses, one distal microdeletion of the 22q11.2 region containing genes LZTR1, CRKL, AIFM3 and SNAP29 (≈416 kb) in the foetus with bilateral renal agenesis, 8p23.1 (3.8 Mb) microdeletion syndrome and microdeletion in area 9q34.3 (1.7 Mb, Kleefstra syndrome). MLPA as an initial screening method revealed unambiguously pathogenic CNVs in 15.2 % of samples. CONCLUSION Our study suggests that MLPA and CMA are a reliable and high-resolution technology and should be used as the first-tier test for prenatal diagnosis of congenital heart disease. Determination of the cause of the abnormality is crucial for genetic counselling and further management of the pregnancy.
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Affiliation(s)
- Andrea Stefekova
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic.,Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Pavlina Capkova
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic.,Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Zuzana Capkova
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic.,Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Vaclava Curtisova
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic
| | - Josef Srovnal
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic.,Department of Pediatrics, University Hospital Olomouc, Czech Republic
| | - Enkhjargalan Mracka
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic.,Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Eva Klaskova
- Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic.,Department of Pediatrics, University Hospital Olomouc, Czech Republic
| | - Martin Prochazka
- Department of Medical Genetics, University Hospital Olomouc, Czech Republic.,Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
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Doll CF, Pereira NJ, Hashimi MS, Grindrod TJ, Alkassis FF, Cai LX, Milovanovic U, Sandino AI, Kasahara H. Gestational intermittent hyperoxia rescues murine genetic congenital heart disease in part. Sci Rep 2021; 11:6608. [PMID: 33758249 PMCID: PMC7988122 DOI: 10.1038/s41598-021-85569-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 02/22/2021] [Indexed: 11/09/2022] Open
Abstract
Cardiac development is a dynamic process, temporally and spatially. When disturbed, it leads to congenital cardiac anomalies that affect approximately 1% of live births. Genetic variants in several loci lead to anomalies, with the transcription factor NKX2-5 being one of the largest. However, there are also non-genetic factors that influence cardiac malformations. We examined the hypothesis that hyperoxia may be beneficial and can rescue genetic cardiac anomalies induced by an Nkx2-5 mutation. Intermittent mild hyperoxia (40% PO2) was applied for 10 h per day to normal wild-type female mice mated with heterozygous Nkx2-5 mutant males from gestational day 8.5 to birth. Hyperoxia therapy reduced excessive trabeculation in Nkx2-5 mutant mice compared to normoxic conditions (ratio of trabecular layer relative to compact layer area, normoxia 1.84 ± 0.07 vs. hyperoxia 1.51 ± 0.04) and frequency of muscular ventricular septal defects per heart (1.53 ± 0.32 vs. 0.68 ± 0.15); however, the incidence of membranous ventricular septal defects in Nkx2-5 mutant hearts was not changed. Nkx2-5 mutant embryonic hearts showed defective coronary vessel organization, which was improved by intermittent mild hyperoxia. The results of our study showed that mild gestational hyperoxia therapy rescued genetic cardiac malformation induced by Nkx2-5 mutation in part.
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Affiliation(s)
- Cassandra F Doll
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Natalia J Pereira
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Mustafa S Hashimi
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Tabor J Grindrod
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Fariz F Alkassis
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Lawrence X Cai
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Una Milovanovic
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Adriana I Sandino
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA
| | - Hideko Kasahara
- Department of Physiology and Functional Genomics, University of Florida College of Medicine, 1600 SW Archer Rd. M543, Gainesville, FL, 32610-0274, USA. .,International University of Health and Welfare, School of Medicine, 852 Hatakeda, Narita, Chiba, Japan.
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Sang CJ, Hebson C. Noisy Breathing in an Infant: A Case Report. Cureus 2021; 13:e13015. [PMID: 33665045 PMCID: PMC7920572 DOI: 10.7759/cureus.13015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The diagnosis of vascular rings is challenging and may be delayed as symptoms overlap with more common conditions associated with childhood. Underlying genetic associations of this condition remain largely undiscovered. In this report, we present a patient with a double aortic arch and highlight the importance of diagnostic imaging. We also engage in a review of the important genetic considerations.
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Affiliation(s)
- Charlie J Sang
- Internal Medicine/Pediatrics, University of Alabama at Birmingham, Birmingham, USA
| | - Camden Hebson
- Division of Pediatric Cardiology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, USA
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Huang H, Cai M, Wang Y, Liang B, Lin N, Xu L. SNP Array as a Tool for Prenatal Diagnosis of Congenital Heart Disease Screened by Echocardiography: Implications for Precision Assessment of Fetal Prognosis. Risk Manag Healthc Policy 2021; 14:345-355. [PMID: 33542665 PMCID: PMC7851374 DOI: 10.2147/rmhp.s286001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 12/30/2020] [Indexed: 12/21/2022] Open
Abstract
Objective This study aimed to examine the effectiveness of the SNP array for the prenatal diagnosis of congenital heart disease (CHD) screened by echocardiography. Patients and Methods A total of 356 pregnant women with fetal congenital heart malformations revealed by echocardiography at the Center for Prenatal Diagnosis of Fujian Maternal and Children Hospital during the period from November 2016 through July 2019 were recruited. The fetuses were assigned into three cohorts, including 142 with a single cardiac malformation, 106 with multiple cardiac malformations and 108 with cardiac and extracardiac malformations. All fetuses underwent chromosomal karyotyping and SNP array simultaneously, and the effectiveness of the SNP array for the prenatal diagnosis of CHD was evaluated. Results The overall prevalence of abnormal karyotypes was 9.3% among the 356 fetuses with CHD, and a higher proportion was found in fetuses with cardiac and extracardiac malformations (18.5%) than in those with single (5.6%) or multiple cardiac malformations (4.7%) (P<0.05). Consistent with karyotype analysis, SNP array detected an additional 25 fetuses with pathogenic copy number variations (CNVs), seven with variant of unknown significance (VOUS) and seven with benign CNVs, and a lower proportion of abnormal CNV was found in fetuses with a single cardiac malformation (4.2%) than in those with multiple cardiac malformations (9.4%) or cardiac and extracardiac malformations (14.8%) (P<0.05). Among the 33 fetuses with chromosomal abnormality, postnatal follow-up showed termination of pregnancy in 25 with pathogenic CNVs, one with VOUS, and six with normal karyotypes and SNP array findings but severe multiple malformations by ultrasonography. Conclusion SNP array increases the overall detection of abnormal CNVs by 9%, which improves the detection of CNVs associated with CHD. SNP array may serve as a tool for prenatal diagnosis of CHD that facilitates the discovery of pathogenic genes associated with CHD and provide valuable insights into the precision assessment of fetal prognosis during the prenatal counseling.
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Affiliation(s)
- Hailong Huang
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Meiying Cai
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Yan Wang
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Bin Liang
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Na Lin
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Liangpu Xu
- Center for Prenatal Diagnosis, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China.,Fujian Key Laboratory for Prenatal Diagnosis and Birth Defects, Fuzhou 350001, Fujian Province, People's Republic of China
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Zhang Y, Wang F, Wu F, Wang Y, Wang X, Gui Y, Li Q. Tnni1b-ECR183-d2, an 87 bp cardiac enhancer of zebrafish. PeerJ 2020; 8:e10289. [PMID: 33194440 PMCID: PMC7648457 DOI: 10.7717/peerj.10289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
Background Several heart malformations are associated with mutations in the regulatory regions of cardiac genes. Troponin I type 1b (tnni1b) is important for the formation of the atrioventricular canal in zebrafish hearts; however, the regulation of tnni1b is poorly understand. We aimed to identify a small but functional enhancer that is distal to tnni1b. Methods Evolutionary Conserved Region (ECR) Browser was used to analyze the 219 kb zebrafish and human genomes covering the tnni1b gene as well as the 100 kb regions upstream and downstream of tnni1b. Putative transcription factor binding sites (TFBSs) were analyzed using JASPAR and PROMO, and the enhancer activity was identified using zebrafish embryos and the luciferase reporter assay. A correlation analysis between the enhancer and transcription factors (TFs) was performed via TF overexpression and TFBS mutation experiments and the electrophoretic mobility shift assay (EMSA). To analyze the conservation between zebrafish and human enhancers, human DNA fragments were functionally verified. Images were captured and analyzed by fluorescence microscopy or confocal microscopy. Results Combined with comparative analysis and functional validation, we identified a 183 bp ECR (termed tnni1b-ECR183) that was located approximately 84 kb upstream of tnni1b that had the heart-specific enhancer activity in zebrafish. TFBS analysis and the enhancer activity detection assay data showed that the 87 bp core region (termed tnni1b-ECR183-d2) was capable of driving specific GFP expression near the atrioventricular junction and increased luciferase expression in HEK293 and HL1 cell lines. The GFP pattern in zebrafish embryos was similar to the expression profiles of tnni1b. A correlation analysis showed that the enhancer activity of tnni1b-ECR183-d2 was increased when NKX2.5 (p = 0.0006) or JUN (p < 0.0001) was overexpressed and was decreased when the TFBSs of NKX2.5 (p < 0.0001) or JUN (p = 0.0018) were mutated. In addition, DNA-protein interactions were not observed between these TFs and tnni1b-ECR183-d2 in the EMSA experiment. The conservation analysis showed that tnni1b-ECR183-h179 (aligned from tnni1b-ECR183) drove GFP expression in the heart and skeletal muscles and increased the luciferase expression after NKX2.5 (p < 0.0001), JUN (p < 0.0001) or ETS1 (p < 0.0001) was overexpressed. Interestingly, the truncated fragment tnni1b-ECR183-h84 mainly drove GFP expression in the skeletal muscles of zebrafish and the enhancer activity decreased when NKX2.5 (p = 0.0028), ETS1 (p = 0.0001) or GATA4 (p < 0.0001) was overexpressed. Conclusions An 87 bp cardiac-specific enhancer located 84 kb upstream of tnni1b in zebrafish was positively correlated with NKX2.5 or JUN. The zebrafish and human enhancers in this study target different tissues. The GFP expression mediated by tnni1b-ECR183-d2 is a valuable tool for marking the domain around the atrioventricular junction.
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Affiliation(s)
- Yawen Zhang
- Translational Medical Center for Development and Disease, Shanghai Key Laboratory of Birth Defect, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Department of Cardiology, Children's Hospital of Fudan University, Shanghai, China
| | - Feng Wang
- Translational Medical Center for Development and Disease, Shanghai Key Laboratory of Birth Defect, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Department of Cardiology, Children's Hospital of Fudan University, Shanghai, China
| | - Fang Wu
- Translational Medical Center for Development and Disease, Shanghai Key Laboratory of Birth Defect, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Department of Cardiology, Children's Hospital of Fudan University, Shanghai, China
| | - Youhua Wang
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xu Wang
- Cancer Institute, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yonghao Gui
- Department of Cardiology, Children's Hospital of Fudan University, Shanghai, China
| | - Qiang Li
- Translational Medical Center for Development and Disease, Shanghai Key Laboratory of Birth Defect, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China
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Joshi RO, Chellappan S, Kukshal P. Exploring the Role of Maternal Nutritional Epigenetics in Congenital Heart Disease. Curr Dev Nutr 2020; 4:nzaa166. [PMID: 33294766 PMCID: PMC7703391 DOI: 10.1093/cdn/nzaa166] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/31/2020] [Accepted: 11/03/2020] [Indexed: 12/17/2022] Open
Abstract
Congenital heart disease (CHD) is one of the major debilitating birth defects resulting in significant impact on neonatal and child mortality globally. The etiology of CHD is complex and multifactorial. Many causative genes responsible for CHDs have been identified from the familial forms previously. Still, the non-Mendelian inheritance and predominant sporadic cases have stimulated research to understand the epigenetic basis and environmental impact on the incidence of CHD. The fetal epigenetic programming affecting cardiac development is susceptible to the availability of key dietary factors during the crucial periconceptional period. This article highlights the need and importance of in-depth research in the new emerging area of maternal nutritional epigenetics and CHD. It summarizes the current research and underlines the limitations in these types of studies. This review will benefit the future research on nutrition as a modifiable environmental factor to decrease the incidence of CHD.
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Affiliation(s)
- Radha O Joshi
- Department of Genomics Research, Sri Sathya Sai Sanjeevani Research Foundation, Palwal, Haryana, India
| | - Subramanian Chellappan
- Department of Anesthesia, Sri Sathya Sai Sanjeevani International Centre for Child Heart Care and Research, Palwal, Haryana, India
| | - Prachi Kukshal
- Department of Genomics Research, Sri Sathya Sai Sanjeevani Research Foundation, Palwal, Haryana, India
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Theis JL, Vogler G, Missinato MA, Li X, Nielsen T, Zeng XXI, Martinez-Fernandez A, Walls SM, Kervadec A, Kezos JN, Birker K, Evans JM, O'Byrne MM, Fogarty ZC, Terzic A, Grossfeld P, Ocorr K, Nelson TJ, Olson TM, Colas AR, Bodmer R. Patient-specific genomics and cross-species functional analysis implicate LRP2 in hypoplastic left heart syndrome. eLife 2020; 9:e59554. [PMID: 33006316 PMCID: PMC7581429 DOI: 10.7554/elife.59554] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Congenital heart diseases (CHDs), including hypoplastic left heart syndrome (HLHS), are genetically complex and poorly understood. Here, a multidisciplinary platform was established to functionally evaluate novel CHD gene candidates, based on whole-genome and iPSC RNA sequencing of a HLHS family-trio. Filtering for rare variants and altered expression in proband iPSCs prioritized 10 candidates. siRNA/RNAi-mediated knockdown in healthy human iPSC-derived cardiomyocytes (hiPSC-CM) and in developing Drosophila and zebrafish hearts revealed that LDL receptor-related protein LRP2 is required for cardiomyocyte proliferation and differentiation. Consistent with hypoplastic heart defects, compared to patents the proband's iPSC-CMs exhibited reduced proliferation. Interestingly, rare, predicted-damaging LRP2 variants were enriched in a HLHS cohort; however, understanding their contribution to HLHS requires further investigation. Collectively, we have established a multi-species high-throughput platform to rapidly evaluate candidate genes and their interactions during heart development, which are crucial first steps toward deciphering oligogenic underpinnings of CHDs, including hypoplastic left hearts.
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Affiliation(s)
- Jeanne L Theis
- Cardiovascular Genetics Research LaboratoryRochesterUnited States
| | - Georg Vogler
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Maria A Missinato
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Xing Li
- Division of Biomedical Statistics and Informatics, Mayo ClinicRochesterUnited States
| | - Tanja Nielsen
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
- Doctoral Degrees and Habilitations, Department of Biology, Chemistry, and Pharmacy, Freie Universität BerlinBerlinGermany
| | - Xin-Xin I Zeng
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | | | - Stanley M Walls
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Anaïs Kervadec
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - James N Kezos
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Katja Birker
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Jared M Evans
- Division of Biomedical Statistics and Informatics, Mayo ClinicRochesterUnited States
| | - Megan M O'Byrne
- Division of Biomedical Statistics and Informatics, Mayo ClinicRochesterUnited States
| | - Zachary C Fogarty
- Division of Biomedical Statistics and Informatics, Mayo ClinicRochesterUnited States
| | - André Terzic
- Department of Cardiovascular Medicine, Mayo ClinicRochesterUnited States
- Department of Molecular and Pharmacology and Experimental Therapeutics, Mayo ClinicLa JollaUnited States
- Center for Regenerative Medicine, Mayo ClinicRochesterUnited States
- Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine, Mayo ClinicRochesterUnited States
| | - Paul Grossfeld
- University of California San Diego, Rady’s HospitalSan DiegoUnited States
- Division of General Internal Medicine, Mayo ClinicRochesterUnited States
| | - Karen Ocorr
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Timothy J Nelson
- Department of Molecular and Pharmacology and Experimental Therapeutics, Mayo ClinicLa JollaUnited States
- Center for Regenerative Medicine, Mayo ClinicRochesterUnited States
- Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine, Mayo ClinicRochesterUnited States
| | - Timothy M Olson
- Department of Cardiovascular Medicine, Mayo ClinicRochesterUnited States
- Department of Molecular and Pharmacology and Experimental Therapeutics, Mayo ClinicLa JollaUnited States
- Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine, Mayo ClinicRochesterUnited States
| | - Alexandre R Colas
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
| | - Rolf Bodmer
- Development, Aging and Regeneration, Sanford Burnham Prebys Medical Discovery InstituteLa JollaUnited States
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50
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Senaldi L, Smith-Raska M. Evidence for germline non-genetic inheritance of human phenotypes and diseases. Clin Epigenetics 2020; 12:136. [PMID: 32917273 PMCID: PMC7488552 DOI: 10.1186/s13148-020-00929-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/26/2020] [Indexed: 12/20/2022] Open
Abstract
It is becoming increasingly apparent that certain phenotypes are inherited across generations independent of the information contained in the DNA sequence, by factors in germ cells that remain largely uncharacterized. As evidence for germline non-genetic inheritance of phenotypes and diseases continues to grow in model organisms, there are fewer reports of this phenomenon in humans, due to a variety of complications in evaluating this mechanism of inheritance in humans. This review summarizes the evidence for germline-based non-genetic inheritance in humans, as well as the significant challenges and important caveats that must be considered when evaluating this process in human populations. Most reports of this process evaluate the association of a lifetime exposure in ancestors with changes in DNA methylation or small RNA expression in germ cells, as well as the association between ancestral experiences and the inheritance of a phenotype in descendants, down to great-grandchildren in some cases. Collectively, these studies provide evidence that phenotypes can be inherited in a DNA-independent manner; the extent to which this process contributes to disease development, as well as the cellular and molecular regulation of this process, remain largely undefined.
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Affiliation(s)
- Liana Senaldi
- Division of Newborn Medicine, Department of Pediatrics, Weill Cornell Medicine, New York-Presbyterian Hospital, New York, NY, USA
| | - Matthew Smith-Raska
- Division of Newborn Medicine, Department of Pediatrics, Weill Cornell Medicine, New York-Presbyterian Hospital, New York, NY, USA. .,Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA.
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