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Basharat SA, Hsiung I, Garg J, Alsaid A. Arrhythmogenic Cardiomyopathy: Evolving Diagnostic Criteria and Insight from Cardiac Magnetic Resonance Imaging. Heart Fail Clin 2023; 19:429-444. [PMID: 37714585 DOI: 10.1016/j.hfc.2023.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/17/2023]
Abstract
Arrhythmogenic cardiomyopathy (ACM) is an umbrella term encompassing a wide variety of overlapping hereditary and nonhereditary disorders that can result in malignant ventricular arrhythmias and sudden cardiac death. Cardiac MRI plays a critical role in accurate diagnosis of various ACM entities and is increasingly showing promise in risk stratification that can further guide management particularly in decisions regarding use of implantable cardioverter defibrillator. Genotyping plays an important role in cascade testing but challenges remain due to incomplete penetrance and wide phenotypic variability of ACM as well as the presence of gene-elusive cases.
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Affiliation(s)
- Sohaib Ahmad Basharat
- Division of Cardiology, Loma Linda University Medical Center, 11234 Anderson Street, MC2426, Loma Linda, CA 92354, USA
| | - Ingrid Hsiung
- Department of Cardiology, Baylor Scott & White The Heart Hospital, 1100 Allied Drive, Plano, TX 75093, USA
| | - Jalaj Garg
- Division of Cardiology, Loma Linda University Medical Center, 11234 Anderson Street, MC2426, Loma Linda, CA 92354, USA. https://twitter.com/drjalajgarg
| | - Amro Alsaid
- Department of Cardiology, Baylor Scott & White The Heart Hospital, 1100 Allied Drive, Plano, TX 75093, USA.
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Salik D, Richert B, Smits G. Clinical and molecular diagnosis of genodermatoses: Review and perspectives. J Eur Acad Dermatol Venereol 2023; 37:488-500. [PMID: 36502512 DOI: 10.1111/jdv.18769] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 11/08/2022] [Indexed: 11/23/2022]
Abstract
Genodermatoses are a complex and heterogeneous group of genetic skin disorders characterized by variable expression and clinical and genetic heterogeneity, rendering their diagnosis challenging. DNA-based techniques, like whole-exome sequencing, can establish a diagnosis in 50% of cases. RNA-sequencing is emerging as an attractive tool that can obtain information regarding gene expression while integrating functional genomic data with regard to the interpretation of variants. This increases the diagnostic rate by an additional 10-15%. In the present review, we detail the clinical steps involved in the diagnosis of genodermatoses, as well as the current DNA-based technologies available to clinicians. Herein, the intention is to facilitate a better understanding of the possibilities and limitations of these diagnostic technologies. In addition, this review could guide dermatologists through new emerging techniques, such as RNA-sequencing and its applications to familiarizing them with future techniques. Currently, this multi-omics approach is likely the best strategy designed to promote the diagnosis of patients with genodermatoses and discover new skin disease genes that could result in novel targeted therapies.
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Affiliation(s)
- Deborah Salik
- Department of Dermatology, CHU Saint-Pierre, CHU Brugmann and Hôpital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles, Brussels, Belgium
| | - Bertrand Richert
- Department of Dermatology, CHU Saint-Pierre, CHU Brugmann and Hôpital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles, Brussels, Belgium
| | - Guillaume Smits
- Department of Genetics, Hôpital Erasme, ULB Center of Human Genetics, Université Libre de Bruxelles (ULB), Brussels, Belgium.,Department of Genetics, Hôpital Universitaire des Enfants Reine Fabiola, ULB Center of Human Genetics Université Libre de Bruxelles (ULB), Brussels, Belgium.,Interuniversity Institute of Bioinformatics in Brussels, Université Libre de Bruxelles, Brussels, Belgium
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3
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Aşkın Ö, Özkoca D, Uzunçakmak TK, Serdaroğlu S. Two siblings with the skin fragility woolly hair syndrome. J Cosmet Dermatol 2022; 21:6506-6507. [PMID: 35869672 DOI: 10.1111/jocd.15264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/13/2022] [Accepted: 07/20/2022] [Indexed: 12/27/2022]
Affiliation(s)
- Özge Aşkın
- Department of Dermatology and Venerology, Cerrahpaşa Medical Faculty, İstanbul Üniversity-Cerrahpaşa, İstanbul, Turkey
| | - Defne Özkoca
- Department of Dermatology and Venerology, Cerrahpaşa Medical Faculty, İstanbul Üniversity-Cerrahpaşa, İstanbul, Turkey
| | - Tuğba Kevser Uzunçakmak
- Department of Dermatology and Venerology, Cerrahpaşa Medical Faculty, İstanbul Üniversity-Cerrahpaşa, İstanbul, Turkey
| | - Server Serdaroğlu
- Department of Dermatology and Venerology, Cerrahpaşa Medical Faculty, İstanbul Üniversity-Cerrahpaşa, İstanbul, Turkey
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Abstract
Naxos disease is a recessively inherited pattern of arrhythmogenic cardiomyopathy with palmoplantar keratoderma and woolly hair. The causative mutation identified in plakoglobin protein gene indicated a potential role of the desmosomal protein complex as culprit for cardiomyopathy. In the context of a family, the early evident cutaneous features may serve as a clinical screening tool to spot arrhythmogenic cardiomyopathy in subclinical stage. "Myocarditis-like episodes" may step up the disease evolution or mark a transition from concealed to symptomatic cardiomyopathy phase. Arrhythmogenic cardiomyopathy in Naxos disease shows increased penetrance and phenotypic expression but its arrhythmic risk is analogous to dominant forms.
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Jones VA, Patel PM, Valikodath T, Ashack KA. Dermatologic manifestations of pediatric cardiovascular diseases: Skin as a reflection of the heart. Pediatr Dermatol 2021; 38:1461-1474. [PMID: 34725847 DOI: 10.1111/pde.14841] [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: 11/29/2022]
Abstract
Cutaneous disease can often be an initial clue of an underlying cardiovascular disease. Many congenital conditions (ie, Noonan syndrome with multiple lentigines, Carney complex, and Fabry disease) and acquired conditions may present initially with specific cutaneous features that should prompt clinicians to conduct a full cardiac workup. Given the extensive number of conditions with both cardiovascular and cutaneous findings, this review will focus on diseases with cardiocutaneous pathology with hopes of raising clinician awareness of these associations to decrease morbidity and mortality, as several of these diseases often result in fatal outcomes.
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Affiliation(s)
- Virginia A Jones
- Department of Dermatology, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Payal M Patel
- Department of Dermatology, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Tom Valikodath
- Cincinnati Children's Hospital Medical Center Heart Institute, Cincinnati, Ohio, USA
| | - Kurt A Ashack
- Dermatology Associates of West Michigan, Grand Rapids, Michigan, USA
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6
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Abstract
Desmoplakin (DSP), encoded by the DSP gene, is the main desmosome component and is abundant in the myocardial tissue. There are three DSP isoforms that assume the role of supporting structural stability through intercellular adhesion. It has been found that DSP regulates the transcription of adipogenic and fibrogenic genes, and maintains appropriate electrical conductivity by regulating gap junctions and ion channels. DSP is essential for normal myocardial development and the maintenance of its structural functions. Studies have suggested that DSP gene mutations are associated with a variety of hereditary cardiomyopathy, such as arrhythmia cardiomyopathy, dilated cardiomyopathy (DCM), left ventricular noncompaction, and is also closely associated with the Carvajal syndrome, Naxos disease, and erythro-keratodermia-cardiomyopathy syndrome with skin and heart damage. The structure and function of DSP, as well as the clinical manifestations of DSP-related cardiomyopathy were reviewed in this article.
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Leopoulou M, Mattsson G, LeQuang JA, Pergolizzi JV, Varrassi G, Wallhagen M, Magnusson P. Naxos disease - a narrative review. Expert Rev Cardiovasc Ther 2020; 18:801-808. [PMID: 32966140 DOI: 10.1080/14779072.2020.1828064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Naxos disease is a rare entity that manifests with woolly hair, keratosis of extremities, and cardiac manifestations that resemble arrhythmogenic right ventricular cardiomyopathy. It is inherited in an autosomal recessive pattern and mutations affecting plakoglobin and desmoplakin have been identified. There is an increased risk of arrhythmias, including sudden cardiac death at a young age. Right ventricular systolic dysfunction often progresses and left ventricular involvement may also occur. AREAS COVERED This article reviews historic background, epidemiology, clinical characteristics, genetics, and pathogenesis as well as therapeutic management and future perspectives. EXPERT OPINION The principles of evaluation and treatment are based on arrhythmogenic right ventricular cardiomyopathy (ARVC) and general heart failure guidelines, because specific data on Naxos disease are limited. Therefore, larger registries on Naxos disease are welcome in order to gain more knowledge about clinical course and risk stratification. Translational research on pathophysiological mechanisms has evolved, including promising approaches using stem cells for novel targets.
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Affiliation(s)
| | - Gustav Mattsson
- Centre for Research and Development, Uppsala University/Region Gävleborg , Gävle, Sweden
| | | | - Joseph V Pergolizzi
- NEMA Research, Inc , Naples, Florida, USA.,Native Cardio, Inc , Naples, Florida, USA
| | - Giustino Varrassi
- Paolo Procacci Foundation , Rome, Italy.,President, World Institute of Pain , California, USA
| | - Marita Wallhagen
- Faculty of Engineering and Sustainable Development, University of Gävle , Gävle, Sweden
| | - Peter Magnusson
- Centre for Research and Development, Uppsala University/Region Gävleborg , Gävle, Sweden.,Cardiology Research Unit, Department of Medicine, Karolinska Institutet , Stockholm, Sweden
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Yesudian R, Yesudian P, Yesudian P. Naxos Disease: The Model for Scientific Discovery. Int J Trichology 2020; 12:245-246. [PMID: 33531750 PMCID: PMC7832164 DOI: 10.4103/ijt.ijt_114_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 11/07/2022] Open
Affiliation(s)
- Rohan Yesudian
- Faculty of Biology, University of Cambridge, Cambridge, UK
| | - Patrick Yesudian
- Department of Dermatology, Chennai Skin Foundation, Chennai, Tamil Nadu, India
| | - Paul Yesudian
- Department of Dermatology, Wrexham Maelor Hospital, Wrexham, UK
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Kissopoulou A, Fernlund E, Holmgren C, Isaksson E, Karlsson JE, Green H, Jonasson J, Ellegård R, Årstrand HK, Svensson A, Gunnarsson C. Monozygotic twins with myocarditis and a novel likely pathogenic desmoplakin gene variant. ESC Heart Fail 2020; 7:1210-1216. [PMID: 32301586 PMCID: PMC7261567 DOI: 10.1002/ehf2.12658] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 01/23/2020] [Accepted: 02/06/2020] [Indexed: 12/26/2022] Open
Abstract
Myocarditis most often affects otherwise healthy athletes and is one of the leading causes of sudden death in children and young adults. Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a genetically determined heart muscle disorder with increased risk for paroxysmal ventricular arrhythmias and sudden cardiac death. The clinical picture of myocarditis and ARVC may overlap during the early stages of cardiomyopathy, which may lead to misdiagnosis. In the literature, we found several cases that presented with episodes of myocarditis and ended up with a diagnosis of arrhythmogenic cardiomyopathy, mostly of the left predominant type. The aim of this case presentation is to shed light upon a possible link between myocarditis, a desmoplakin (DSP) gene variant, and ARVC by describing a case of male monozygotic twins who presented with symptoms and signs of myocarditis at 17 and 18 years of age, respectively. One of them also had a recurrent episode of myocarditis. The twins and their family were extensively examined including electrocardiograms (ECG), biochemistry, multimodal cardiac imaging, myocardial biopsy, genetic analysis, repeated cardiac magnetic resonance (CMR) and echocardiography over time. Both twins presented with chest pain, ECG with slight ST-T elevation, and increased troponin T levels. CMR demonstrated an affected left ventricle with comprehensive inflammatory, subepicardial changes consistent with myocarditis. The right ventricle did not appear to have any abnormalities. Genotype analysis revealed a nonsense heterozygous variant in the desmoplakin (DSP) gene [NM_004415.2:c.2521_2522del (p.Gln841Aspfs*9)] that is considered likely pathogenic and presumably ARVC related. There was no previous family history of heart disease. There might be a common pathophysiology of ARVC, associated with desmosomal dysfunction, and myocarditis. In our case, both twins have an affected left ventricle without any right ventricular involvement, and they are carriers of a novel DSP variant that is likely associated with ARVC. The extensive inflammation of the LV that was apparent in the CMR may or may not be the primary event of ARVC. Nevertheless, our data suggest that irrespective of a possible link here to ARVC, genetic testing for arrhythmogenic cardiomyopathy might be advisable for patients with recurrent myocarditis associated with a family history of myocarditis.
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Affiliation(s)
- Antheia Kissopoulou
- Department of Internal Medicine, County Council of Jönköping, Jönköping, Sweden.,Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Eva Fernlund
- Crown Princess Victoria Children's Hospital, Division of Pediatrics, Department of Biomedical and Clinical Sciences, Linköping University, Linköping University Hospital, Linköping, Sweden.,Department of Clinical Sciences Lund, Pediatric Heart Center, Lund University, Skane University Hospital, Lund, Sweden
| | - Christina Holmgren
- Department of Internal Medicine, County Council of Jönköping, Jönköping, Sweden.,Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Eira Isaksson
- Department of Internal Medicine, County Council of Jönköping, Jönköping, Sweden.,Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Jan-Erik Karlsson
- Department of Internal Medicine, County Council of Jönköping, Jönköping, Sweden.,Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Henrik Green
- Division of Drug Research, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.,Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden
| | - Jon Jonasson
- Department of Clinical Genetics and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Rada Ellegård
- Department of Clinical Genetics and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Hanna Klang Årstrand
- Department of Clinical Genetics and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Anneli Svensson
- Department of Cardiology, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Cecilia Gunnarsson
- Department of Clinical Genetics and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Centre for Rare Diseases in South East Region of Sweden, Linköping University, Linköping, Sweden
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Magnadóttir B, Uysal-Onganer P, Kraev I, Svansson V, Hayes P, Lange S. Deiminated proteins and extracellular vesicles - Novel serum biomarkers in whales and orca. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 34:100676. [PMID: 32114311 DOI: 10.1016/j.cbd.2020.100676] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/16/2020] [Accepted: 02/17/2020] [Indexed: 02/06/2023]
Abstract
Peptidylarginine deiminases (PADs) are a family of phylogenetically conserved calcium-dependent enzymes which cause post-translational protein deimination. This can result in neoepitope generation, affect gene regulation and allow for protein moonlighting via functional and structural changes in target proteins. Extracellular vesicles (EVs) carry cargo proteins and genetic material and are released from cells as part of cellular communication. EVs are found in most body fluids where they can be useful biomarkers for assessment of health status. Here, serum-derived EVs were profiled, and post-translationally deiminated proteins and EV-related microRNAs are described in 5 ceataceans: minke whale, fin whale, humpback whale, Cuvier's beaked whale and orca. EV-serum profiles were assessed by transmission electron microscopy and nanoparticle tracking analysis. EV profiles varied between the 5 species and were identified to contain deiminated proteins and selected key inflammatory and metabolic microRNAs. A range of proteins, critical for immune responses and metabolism were identified to be deiminated in cetacean sera, with some shared KEGG pathways of deiminated proteins relating to immunity and physiology, while some KEGG pathways were species-specific. This is the first study to characterise and profile EVs and to report deiminated proteins and putative effects of protein-protein interaction networks via such post-translationald deimination in cetaceans, revealing key immune and metabolic factors to undergo this post-translational modification. Deiminated proteins and EVs profiles may possibly be developed as new biomarkers for assessing health status of sea mammals.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Pinar Uysal-Onganer
- Cancer Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Igor Kraev
- Electron Microscopy Suite, Faculty of Science, Technology, Engineering and Mathematics, Open University, Milton Keynes MK7 6AA, UK.
| | - Vilhjálmur Svansson
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland
| | - Polly Hayes
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
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Abstract
Dilated cardiomyopathy (DCM) represents one of the primary cardiomyopathies and may lead to heart failure and sudden death. Until recently, ventricular arrhythmias were considered to be a direct consequence of the systolic dysfunction of the left ventricle (LV) and guidelines for implantable cardioverter defibrillator implantation were established on this basis. However, the identification of heritable dilated cardiomyopathy phenotypes that presented with mildly impaired or moderate LV dysfunction, with or without chamber dilatation, and ventricular arrhythmias exceeding the degree of the underlying morphological abnormalities lead to the identification of the arrhythmogenic phenotypes and genotypes of DCM. This subset of DCM patients presents phenotypic and in many cases genotypic overlaps with left dominant arrhythmogenic cardiomyopathy (LDAC). LMNA, SCN5A, FLNC, TTN, and RBM20 are the main genes responsible for arrhythmogenic DCM. Moreover, desmosomal genes such as DSP and other non-desmosomal such as DES and PLN have been associated with both LDAC and arrhythmogenic DCM. The aim of this review is to highlight the importance of genetic profiling among DCM patients with disproportionate arrhythmic burden and the significance of the electrocardiogram, cardiac magnetic resonance, Holter monitoring, detailed family history, and other assays in order to identify red flags for arrhythmogenic DCM and proceed to an early preventive approach for sudden cardiac death. A special consideration was given to the phenotypic and genotypic overlap with LDAC. The role of myocarditis as a common disease expression of LDAC and arrhythmogenic DCM is also analyzed supporting the premise of their phenotypic overlap.
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Affiliation(s)
- Thomas Zegkos
- 1st Cardiology Department, AHEPA University Hospital, Thessaloniki, Greece.
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