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Claeyssen C, Bulangalire N, Bastide B, Agbulut O, Cieniewski-Bernard C. Desmin and its molecular chaperone, the αB-crystallin: How post-translational modifications modulate their functions in heart and skeletal muscles? Biochimie 2024; 216:137-159. [PMID: 37827485 DOI: 10.1016/j.biochi.2023.10.002] [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: 04/28/2023] [Revised: 08/04/2023] [Accepted: 10/02/2023] [Indexed: 10/14/2023]
Abstract
Maintenance of the highly organized striated muscle tissue requires a cell-wide dynamic network through protein-protein interactions providing an effective mechanochemical integrator of morphology and function. Through a continuous and complex trans-cytoplasmic network, desmin intermediate filaments ensure this essential role in heart and in skeletal muscle. Besides their role in the maintenance of cell shape and architecture (permitting contractile activity efficiency and conferring resistance towards mechanical stress), desmin intermediate filaments are also key actors of cell and tissue homeostasis. Desmin participates to several cellular processes such as differentiation, apoptosis, intracellular signalisation, mechanotransduction, vesicle trafficking, organelle biogenesis and/or positioning, calcium homeostasis, protein homeostasis, cell adhesion, metabolism and gene expression. Desmin intermediate filaments assembly requires αB-crystallin, a small heat shock protein. Over its chaperone activity, αB-crystallin is involved in several cellular functions such as cell integrity, cytoskeleton stabilization, apoptosis, autophagy, differentiation, mitochondria function or aggresome formation. Importantly, both proteins are known to be strongly associated to the aetiology of several cardiac and skeletal muscles pathologies related to desmin filaments disorganization and a strong disturbance of desmin interactome. Note that these key proteins of cytoskeleton architecture are extensively modified by post-translational modifications that could affect their functional properties. Therefore, we reviewed in the herein paper the impact of post-translational modifications on the modulation of cellular functions of desmin and its molecular chaperone, the αB-crystallin.
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Affiliation(s)
- Charlotte Claeyssen
- University of Lille, University of Artois, University of Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000 Lille, France
| | - Nathan Bulangalire
- University of Lille, University of Artois, University of Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000 Lille, France; Université de Lille, CHU Lille, F-59000 Lille, France
| | - Bruno Bastide
- University of Lille, University of Artois, University of Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000 Lille, France
| | - Onnik Agbulut
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005, Paris, France
| | - Caroline Cieniewski-Bernard
- University of Lille, University of Artois, University of Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000 Lille, France.
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The N-Terminal Part of the 1A Domain of Desmin Is a Hot Spot Region for Putative Pathogenic DES Mutations Affecting Filament Assembly. Cells 2022; 11:cells11233906. [PMID: 36497166 PMCID: PMC9738904 DOI: 10.3390/cells11233906] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 11/29/2022] [Indexed: 12/09/2022] Open
Abstract
Desmin is the major intermediate filament protein of all three muscle cell types, and connects different cell organelles and multi-protein complexes such as the cardiac desmosomes. Several pathogenic mutations in the DES gene cause different skeletal and cardiac myopathies. However, the significance of the majority of DES missense variants is currently unknown, since functional data are lacking. To determine whether desmin missense mutations within the highly conserved 1A coil domain cause a filament assembly defect, we generated a set of variants with unknown significance and systematically analyzed the filament assembly using confocal microscopy in transfected SW-13, H9c2 cells and cardiomyocytes derived from induced pluripotent stem cells. We found that mutations in the N-terminal part of the 1A coil domain affect filament assembly, leading to cytoplasmic desmin aggregation. In contrast, mutant desmin in the C-terminal part of the 1A coil domain forms filamentous structures comparable to wild-type desmin. Our findings suggest that the N-terminal part of the 1A coil domain is a hot spot for pathogenic desmin mutations, which affect desmin filament assembly. This study may have relevance for the genetic counselling of patients carrying variants in the 1A coil domain of the DES gene.
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3
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Liu YX, Yu R, Sheng Y, Fan LL, Deng Y. Case report: Whole-exome sequencing identifies a novel DES mutation (p. E434K) in a Chinese family with cardiomyopathy and sudden cardiac death. Front Cardiovasc Med 2022; 9:971501. [PMID: 36277747 PMCID: PMC9580399 DOI: 10.3389/fcvm.2022.971501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Background Desmin is an intermediate filament protein that plays a critical role in the stabilization of the sarcomeres and cell contacts in the cardiac intercalated disk. Mutated DES gene can cause hereditary cardiomyopathy with heterogeneous phenotypes, while the underlying molecular mechanisms requires further investigation. Methods We described a Chinese family present with cardiomyopathy and sudden cardiac death (SCD). Whole-exome sequencing (WES) and bioinformatics strategies were employed to explore the genetic entity of this family. Results An unknown heterozygote missense variant (c.1300G > A; p. E434K) of DES gene was identified. The mutation cosegregates in this family. The mutation was predicted as pathogenic and was absent in our 200 healthy controls. Conclusion We identified a novel DES mutation (p. E434K) in a Chinese family with cardiomyopathy and SCD. Our study not only provided a new case for the study of the relationship between DES mutations and hereditary cardiomyopathy but also broadened the spectrum of DES mutations.
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Affiliation(s)
- Yu-Xing Liu
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China,Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China,Hunan Key Laboratory of Animal Models for Human Disease, School of Life Sciences, Central South University, Changsha, China
| | - Rong Yu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yue Sheng
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China,Hunan Key Laboratory of Animal Models for Human Disease, School of Life Sciences, Central South University, Changsha, China
| | - Liang-Liang Fan
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China,Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China,Hunan Key Laboratory of Animal Models for Human Disease, School of Life Sciences, Central South University, Changsha, China,*Correspondence: Liang-Liang Fan,
| | - Yao Deng
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China,Yao Deng,
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Genetic Background and Clinical Features in Arrhythmogenic Left Ventricular Cardiomyopathy: A Systematic Review. J Clin Med 2022; 11:jcm11154313. [PMID: 35893404 PMCID: PMC9332695 DOI: 10.3390/jcm11154313] [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: 06/26/2022] [Revised: 07/16/2022] [Accepted: 07/20/2022] [Indexed: 12/16/2022] Open
Abstract
In recent years a phenotypic variant of Arrhythmogenic cardiomyopathy has been described, characterized by predominant left ventricular (LV) involvement with no or minor right ventricular abnormalities, referred to as Arrhythmogenic left ventricular cardiomyopathy (ALVC). Different disease-genes have been identified in this form, such as Desmoplakin (DSP), Filamin C (FLNC), Phospholamban (PLN) and Desmin (DES). The main purpose of this critical systematic review was to assess the level of knowledge on genetic background and clinical features of ALVC. A search (updated to April 2022) was run in the PubMed, Scopus, and Web of Science electronic databases. The search terms used were “arrhythmogenic left ventricular cardiomyopathy” OR “arrhythmogenic cardiomyopathy” and “gene” OR “arrhythmogenic dysplasia” and “gene”. The most represented disease-gene turned out to be DSP, accounting for half of published cases, followed by FLNC. Overall, ECG abnormalities were reported in 58% of patients. Major ventricular arrhythmias were recorded in 26% of cases; an ICD was implanted in 29% of patients. A total of 6% of patients showed heart failure symptoms, and 15% had myocarditis-like episodes. DSP is confirmed to be the most represented disease-gene in ALVC patients. An analysis of reported clinical features of ALVC patients show an important degree of electrical instability, which frequently required an ICD implant. Moreover, myocarditis-like episodes are common.
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Kural Mangit E, Boustanabadimaralan Düz N, Dinçer P. A cytoplasmic escapee: desmin is going nuclear. Turk J Biol 2022; 45:711-719. [PMID: 35068951 PMCID: PMC8733954 DOI: 10.3906/biy-2107-54] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 11/04/2021] [Indexed: 11/03/2022] Open
Abstract
It has been a long time since researchers have focused on the cytoskeletal proteins' unconventional functions in the nucleus. Subcellular localization of a protein not only affects its functions but also determines the accessibility for cellular processes. Desmin is a muscle-specific, cytoplasmic intermediate filament protein, the cytoplasmic roles of which are defined. Yet, there is some evidence pointing out nuclear functions for desmin. In silico and wet lab analysis shows that desmin can enter and function in the nucleus. Furthermore, the candidate nuclear partners of desmin support the notion that desmin can serve as a transcriptional regulator inside the nucleus. Uncovering the nuclear functions and partners of desmin will provide a new insight into the biological significance of desmin.
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Affiliation(s)
- Ecem Kural Mangit
- Department of Medical Biology, Faculty of Medicine, Hacettepe University, Ankara Turkey.,Laboratory Animals Research and Application Centre, Hacettepe University, Ankara Turkey
| | | | - Pervin Dinçer
- Department of Medical Biology, Faculty of Medicine, Hacettepe University, Ankara Turkey
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Abou Ziki MD, Bhat N, Neogi A, Driscoll TP, Ugwu N, Liu Y, Smith E, Abboud JM, Chouairi S, Schwartz MA, Akar JG, Mani A. Epistatic interaction of PDE4DIP and DES mutations in familial atrial fibrillation with slow conduction. Hum Mutat 2021; 42:1279-1293. [PMID: 34289528 DOI: 10.1002/humu.24265] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 06/29/2021] [Accepted: 07/06/2021] [Indexed: 11/09/2022]
Abstract
The genetic causes of atrial fibrillation (AF) with slow conduction are unknown. Eight kindreds with familial AF and slow conduction, including a family affected by early-onset AF, heart block, and incompletely penetrant nonischemic dilated cardiomyopathy (DCM) underwent whole exome sequencing. A known pathogenic mutation in the desmin (DES) gene resulting in p.S13F substitution (NM_001927.3:c.38C>T) at a PKC phosphorylation site was identified in all four members of the kindred with early-onset AF and heart block, while only two developed DCM. Higher penetrance for AF and heart block prompted a genetic screening for DES modifier(s). A deleterious mutation in the phosphodiesterase-4D-interacting-protein (PDE4DIP) gene resulting in p.A123T substitution (NM_001002811:c.367G>A) was identified that segregated with early-onset AF, heart block, and the DES mutation. Three additional novel deleterious PDE4DIP mutations were identified in four other unrelated kindreds. Characterization of PDE4DIPA123T in vitro suggested impaired compartmentalization of PKA and PDE4D characterized by reduced colocalization with PDE4D, increased cAMP activation leading to higher PKA phosphorylation of the β2-adrenergic-receptor, and decreased PKA phosphorylation of desmin after isoproterenol stimulation. Our findings identify PDE4DIP as a novel gene for slow AF and unravel its epistatic interaction with DES mutations in development of conduction disease and arrhythmia.
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Affiliation(s)
- Maen D Abou Ziki
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Neha Bhat
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Arpita Neogi
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Tristan P Driscoll
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA.,Chemical and Biomedical Engineering, Florida A&M University-Florida State University College of Engineering, Tallahassee, Florida, USA
| | - Nelson Ugwu
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Ya Liu
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Emily Smith
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Johny M Abboud
- Saint George Hospital University Medical Center, Beirut, Lebanon
| | - Salah Chouairi
- Saint George Hospital University Medical Center, Beirut, Lebanon
| | - Martin A Schwartz
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Joseph G Akar
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Arya Mani
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA.,Department of Genetics, Yale University School of Medicine, New Haven, Connecticut, USA
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7
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Nicolau S, Howe BM, Naddaf E. Novel Desmin Mutation Causing Myofibrillar Myopathy in a Hmong Family. Front Neurol 2020; 10:1375. [PMID: 31998224 PMCID: PMC6965354 DOI: 10.3389/fneur.2019.01375] [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: 07/04/2019] [Accepted: 12/12/2019] [Indexed: 12/18/2022] Open
Abstract
Myofibrillar myopathies (MFM) are a clinically and genetically heterogenous group of inherited myopathies characterized by aggregation of Z-disc proteins. Mutations in desmin account for ~7% of MFM. We report here a Hmong family with an autosomal dominant MFM caused by a novel variant in the desmin gene. The proband presented with lower limb followed by upper limb weakness starting in the 5th decade. On examination, there was distal more than proximal muscle weakness. One sibling was similarly affected, while another had an asymptomatic elevation of creatine kinase. Genetic testing revealed a novel p.Ser13Tyr variant, which was predicted by in silico algorithms to alter protein function. Muscle biopsy revealed a MFM. Muscle MRI demonstrated selective involvement of the tensor fasciae latae, semitendinosus, sartorius, gracilis, gastrocnemius, soleus, and peroneus longus muscles. In this family, the histological and MRI findings assisted in the interpretation of genetic testing results.
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Affiliation(s)
- Stefan Nicolau
- Department of Neurology, Mayo Clinic, Rochester, MN, United States
| | - Benjamin M Howe
- Department of Radiology, Mayo Clinic, Rochester, MN, United States
| | - Elie Naddaf
- Department of Neurology, Mayo Clinic, Rochester, MN, United States
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8
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Restrictive Cardiomyopathy is Caused by a Novel Homozygous Desmin ( DES) Mutation p.Y122H Leading to a Severe Filament Assembly Defect. Genes (Basel) 2019; 10:genes10110918. [PMID: 31718026 PMCID: PMC6896098 DOI: 10.3390/genes10110918] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/05/2019] [Accepted: 11/08/2019] [Indexed: 12/29/2022] Open
Abstract
Here, we present a small Iranian family, where the index patient received a diagnosis of restrictive cardiomyopathy (RCM) in combination with atrioventricular (AV) block. Genetic analysis revealed a novel homozygous missense mutation in the DES gene (c.364T > C; p.Y122H), which is absent in human population databases. The mutation is localized in the highly conserved coil-1 desmin subdomain. In silico, prediction tools indicate a deleterious effect of the desmin (DES) mutation p.Y122H. Consequently, we generated an expression plasmid encoding the mutant and wildtype desmin formed, and analyzed the filament formation in vitro in cardiomyocytes derived from induced pluripotent stem cells and HT-1080 cells. Confocal microscopy revealed a severe filament assembly defect of mutant desmin supporting the pathogenicity of the DES mutation, p.Y122H, whereas the wildtype desmin formed regular intermediate filaments. According to the guidelines of the American College of Medical Genetics and Genomics, we classified this mutation, therefore, as a novel pathogenic mutation. Our report could point to a recessive inheritance of the DES mutation, p.Y122H, which is important for the genetic counseling of similar families with restrictive cardiomyopathy caused by DES mutations.
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Marakhonov AV, Brodehl A, Myasnikov RP, Sparber PA, Kiseleva AV, Kulikova OV, Meshkov AN, Zharikova AA, Koretsky SN, Kharlap MS, Stanasiuk C, Mershina EA, Sinitsyn VE, Shevchenko AO, Mozheyko NP, Drapkina OM, Boytsov SA, Milting H, Skoblov MY. Noncompaction cardiomyopathy is caused by a novel in-frame desmin (DES) deletion mutation within the 1A coiled-coil rod segment leading to a severe filament assembly defect. Hum Mutat 2019; 40:734-741. [PMID: 30908796 DOI: 10.1002/humu.23747] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 03/03/2019] [Accepted: 03/06/2019] [Indexed: 11/07/2022]
Abstract
Mutations in DES, encoding desmin protein, are associated with different kinds of skeletal and/or cardiac myopathies. However, it is unknown, whether DES mutations are associated with left ventricular hypertrabeculation (LVHT). Here, we performed a clinical examination and subsequent genetic analysis in a family, with two individuals presenting LVHT with conduction disease and skeletal myopathy. The genetic analysis revealed a novel small in-frame deletion within the DES gene, p.Q113_L115del, affecting the α-helical rod domain. Immunohistochemistry analysis of explanted myocardial tissue from the index patient revealed an abnormal cytoplasmic accumulation of desmin and a degraded sarcomeric structure. Cell transfection experiments with wild-type and mutant desmin verified the cytoplasmic aggregation and accumulation of mutant desmin. Cotransfection experiments were performed to model the heterozygous state of the patients and revealed a dominant negative effect of the mutant desmin on filament assembly. DES:p.Q113_L115del is classified as a pathogenic mutation associated with dilated cardiomyopathy with prominent LVHT.
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Affiliation(s)
- Andrey V Marakhonov
- Laboratory of Genetic Epidemiology, Research Centre for Medical Genetics (RCMG), Moscow, Russia.,School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Andreas Brodehl
- Erich and Hanna Klessmann Institute, Heart and Diabetes Centre NRW, University Hospital of the Ruhr-University Bochum, Bad Oeynhausen, Germany
| | - Roman P Myasnikov
- Department of Clinical Cardiology and Molecular Genetics, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Peter A Sparber
- School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Anna V Kiseleva
- Laboratory of Molecular Genetics, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Olga V Kulikova
- Department of Clinical Cardiology and Molecular Genetics, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Alexey N Meshkov
- Department of Molecular and Cellular Genetics, Pirogov Russian National Research Medical University, Moscow, Russia.,Laboratory of Molecular Genetics, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Anastasia A Zharikova
- M.V. Lomonosov Moscow State University, Moscow, Russia.,Laboratory of Molecular Genetics, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Serguey N Koretsky
- Department of Fundamental and Applied Aspects of Obesity, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Maria S Kharlap
- Cardiac Arrhythmias Department, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | - Caroline Stanasiuk
- Erich and Hanna Klessmann Institute, Heart and Diabetes Centre NRW, University Hospital of the Ruhr-University Bochum, Bad Oeynhausen, Germany
| | - Elena A Mershina
- M.V. Lomonosov Moscow State University, Moscow, Russia.,Radiology Department, Lomonosov Moscow State University Medical Research and Educational Center, Moscow, Russia
| | - Valentin E Sinitsyn
- M.V. Lomonosov Moscow State University, Moscow, Russia.,Radiology Department, Lomonosov Moscow State University Medical Research and Educational Center, Moscow, Russia
| | - Alexey O Shevchenko
- Department of Critical Care Translational Medicine, V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Moscow, Russia
| | - Natalia P Mozheyko
- Pathology Department, V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Moscow, Russia
| | - Oksana M Drapkina
- Department of Fundamental and Applied Aspects of Obesity, Federal State Institution National Center for Preventive Medicine, Moscow, Russia
| | | | - Hendrik Milting
- Erich and Hanna Klessmann Institute, Heart and Diabetes Centre NRW, University Hospital of the Ruhr-University Bochum, Bad Oeynhausen, Germany
| | - Mikhail Yu Skoblov
- Laboratory of Functional Genomics, Research Centre for Medical Genetics (RCMG), Moscow, Russia, Russia.,School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
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11
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Tsikitis M, Galata Z, Mavroidis M, Psarras S, Capetanaki Y. Intermediate filaments in cardiomyopathy. Biophys Rev 2018; 10:1007-1031. [PMID: 30027462 DOI: 10.1007/s12551-018-0443-2] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 07/05/2018] [Indexed: 12/20/2022] Open
Abstract
Intermediate filament (IF) proteins are critical regulators in health and disease. The discovery of hundreds of mutations in IF genes and posttranslational modifications has been linked to a plethora of human diseases, including, among others, cardiomyopathies, muscular dystrophies, progeria, blistering diseases of the epidermis, and neurodegenerative diseases. The major IF proteins that have been linked to cardiomyopathies and heart failure are the muscle-specific cytoskeletal IF protein desmin and the nuclear IF protein lamin, as a subgroup of the known desminopathies and laminopathies, respectively. The studies so far, both with healthy and diseased heart, have demonstrated the importance of these IF protein networks in intracellular and intercellular integration of structure and function, mechanotransduction and gene activation, cardiomyocyte differentiation and survival, mitochondrial homeostasis, and regulation of metabolism. The high coordination of all these processes is obviously of great importance for the maintenance of proper, life-lasting, and continuous contraction of this highly organized cardiac striated muscle and consequently a healthy heart. In this review, we will cover most known information on the role of IFs in the above processes and how their deficiency or disruption leads to cardiomyopathy and heart failure.
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Affiliation(s)
- Mary Tsikitis
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephesiou, 11527, Athens, Greece
| | - Zoi Galata
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephesiou, 11527, Athens, Greece
| | - Manolis Mavroidis
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephesiou, 11527, Athens, Greece
| | - Stelios Psarras
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephesiou, 11527, Athens, Greece
| | - Yassemi Capetanaki
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephesiou, 11527, Athens, Greece.
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12
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Brodehl A, Gaertner-Rommel A, Milting H. Molecular insights into cardiomyopathies associated with desmin (DES) mutations. Biophys Rev 2018; 10:983-1006. [PMID: 29926427 DOI: 10.1007/s12551-018-0429-0] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 05/22/2018] [Indexed: 12/15/2022] Open
Abstract
Increasing usage of next-generation sequencing techniques pushed during the last decade cardiogenetic diagnostics leading to the identification of a huge number of genetic variants in about 170 genes associated with cardiomyopathies, channelopathies, or syndromes with cardiac involvement. Because of the biochemical and cellular complexity, it is challenging to understand the clinical meaning or even the relevant pathomechanisms of the majority of genetic sequence variants. However, detailed knowledge about the associated molecular pathomechanism is essential for the development of efficient therapeutic strategies in future and genetic counseling. Mutations in DES, encoding the muscle-specific intermediate filament protein desmin, have been identified in different kinds of cardiac and skeletal myopathies. Here, we review the functions of desmin in health and disease with a focus on cardiomyopathies. In addition, we will summarize the genetic and clinical literature about DES mutations and will explain relevant cell and animal models. Moreover, we discuss upcoming perspectives and consequences of novel experimental approaches like genome editing technology, which might open a novel research field contributing to the development of efficient and mutation-specific treatment options.
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Affiliation(s)
- Andreas Brodehl
- Erich and Hanna Klessmann Institute for Cardiovascular Research & Development, Heart and Diabetes Centre NRW, Ruhr-University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany.
| | - Anna Gaertner-Rommel
- Erich and Hanna Klessmann Institute for Cardiovascular Research & Development, Heart and Diabetes Centre NRW, Ruhr-University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
| | - Hendrik Milting
- Erich and Hanna Klessmann Institute for Cardiovascular Research & Development, Heart and Diabetes Centre NRW, Ruhr-University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany.
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14
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Functional characterization of the novel DES mutation p.L136P associated with dilated cardiomyopathy reveals a dominant filament assembly defect. J Mol Cell Cardiol 2016; 91:207-14. [DOI: 10.1016/j.yjmcc.2015.12.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Revised: 12/11/2015] [Accepted: 12/19/2015] [Indexed: 12/20/2022]
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15
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Boulé S, Richard P, de Groote P, Renaud F, Charron P. Recurrent suspected myocarditis combined with infrahisian conduction disturbances revealing a desminopathy. HeartRhythm Case Rep 2015; 1:305-309. [PMID: 28491573 PMCID: PMC5419530 DOI: 10.1016/j.hrcr.2015.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Stéphane Boulé
- Lille University Hospital, Department of Cardiology, Lille, France
- Address reprint requests and correspondence: Stéphane Boulé, Pôle de Cardiologie, Hôpital Cardiologique, CHRU, 59370, Lille, France
| | - Pascale Richard
- AP-HP, Unité fonctionnelle de Cardiogénétique et Myogénétique, Service de Biochimie métabolique, Hôpitaux Universitaires Pitié-Salpêtrière, Paris, France
- AP-HP, Centre de référence maladies cardiaques héréditaires, ICAN, Inserm UMR_1166, Hôpital Pitié-Salpêtrière, Paris, France
| | - Pascal de Groote
- Lille University Hospital, Department of Cardiology, Lille, France
- Unité INSERM U744, Institut Pasteur, Lille, France
| | - Florence Renaud
- Lille University Hospital, Institute of Pathology, Lille, France
| | - Philippe Charron
- AP-HP, Centre de référence maladies cardiaques héréditaires, ICAN, Inserm UMR_1166, Hôpital Pitié-Salpêtrière, Paris, France
- Université de Versailles-Saint Quentin, Hôpital Ambroise Paré, AP-HP, Boulogne-Billancourt, France
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16
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McCormick EM, Kenyon L, Falk MJ. Desmin common mutation is associated with multi-systemic disease manifestations and depletion of mitochondria and mitochondrial DNA. Front Genet 2015; 6:199. [PMID: 26097489 PMCID: PMC4456612 DOI: 10.3389/fgene.2015.00199] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 05/20/2015] [Indexed: 11/30/2022] Open
Abstract
Desmin (DES) is a major muscle scaffolding protein that also functions to anchor mitochondria. Pathogenic DES mutations, however, have not previously been recognized as a cause of multi-systemic mitochondrial disease. Here, we describe a 45-year-old man who presented to The Children's Hospital of Philadelphia Mitochondrial-Genetics Diagnostic Clinic for evaluation of progressive cardiac, neuromuscular, gastrointestinal, and mood disorders. Muscle biopsy at age 45 was remarkable for cytoplasmic bodies, as well as ragged red fibers and SDH positive/COX negative fibers that were suggestive of a mitochondrial myopathy. Muscle also showed significant reductions in mitochondrial content (16% of control mean for citrate synthase activity) and mitochondrial DNA (35% of control mean). His family history was significant for cardiac conduction defects and myopathy in multiple maternal relatives. Multiple single gene and panel-based sequencing studies were unrevealing. Whole exome sequencing identified a known pathogenic p.S13F mutation in DES that had previously been associated with desmin-related myopathy. Desmin-related myopathy is an autosomal dominant disorder characterized by right ventricular hypertrophic cardiomyopathy, myopathy, and arrhythmias. However, neuropathy, gastrointestinal dysfunction, and depletion of both mitochondria and mitochondrial DNA have not previously been widely recognized in this disorder. Recognition that mitochondrial dysfunction occurs in desmin-related myopathy clarifies the basis for the multi-systemic manifestations, as are typical of primary mitochondrial disorders. Understanding the mitochondrial pathophysiology of desmin-related myopathy highlights the possibility of new therapies for this otherwise untreatable and often fatal class of disease. We postulate that drug treatments aimed at improving mitochondrial biogenesis or reducing oxidative stress may be effective therapies to ameliorate the effects of desmin-related disease.
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Affiliation(s)
- Elizabeth M McCormick
- Division of Human Genetics, Department of Pediatrics, The Children's Hospital of Philadelphia Philadelphia, PA, USA
| | - Lawrence Kenyon
- Department of Pathology, Thomas Jefferson University Hospital Philadelphia, PA, USA
| | - Marni J Falk
- Division of Human Genetics, Department of Pediatrics, The Children's Hospital of Philadelphia Philadelphia, PA, USA ; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia, PA, USA
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17
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Weihl CC, Iyadurai S, Baloh RH, Pittman SK, Schmidt RE, Lopate G, Pestronk A, Harms MB. Autophagic vacuolar pathology in desminopathies. Neuromuscul Disord 2014; 25:199-206. [PMID: 25557463 DOI: 10.1016/j.nmd.2014.12.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/11/2014] [Accepted: 12/08/2014] [Indexed: 01/14/2023]
Abstract
Autophagic vacuolar myopathies are an emerging group of muscle diseases with common pathologic features. These include autophagic vacuoles containing both lysosomal and autophagosomal proteins sometimes lined with sarcolemmal proteins such as dystrophin. These features have been most clearly described in patients with Danon's disease due to LAMP2 deficiency and X-linked myopathy with excessive autophagy (XMEA) due to mutations in VMA21. Disruptions of these proteins lead to lysosomal dysfunction and subsequent autophagic vacuolar pathology. We performed whole exome sequencing on two families with autosomal dominantly inherited myopathies with autophagic vacuolar pathology and surprisingly identified a p.R454W tail domain mutation and a novel p.S6W head domain mutation in desmin, DES. In addition, re-evaluation of muscle tissue from another family with a novel p.I402N missense DES mutation also identified autophagic vacuoles. We suggest that autophagic vacuoles may be an underappreciated pathology present in desminopathy patient muscle. Moreover, autophagic vacuolar pathology can be due to genetic etiologies unrelated to primary defects in the lysosomes or autophagic machinery. Specifically, cytoskeletal derangement and the accumulation of aggregated proteins such as desmin may activate the autophagic system leading to the pathologic features of an autophagic vacuolar myopathy.
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Affiliation(s)
- Conrad C Weihl
- Department of Neurology and Hope Center for Neurologic Disorders, Washington University School of Medicine, Saint Louis, MO, USA.
| | - Stanley Iyadurai
- Department of Neurology, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Robert H Baloh
- Department of Neurology, Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Sara K Pittman
- Department of Neurology and Hope Center for Neurologic Disorders, Washington University School of Medicine, Saint Louis, MO, USA
| | - Robert E Schmidt
- Department of Pathology, Washington University School of Medicine, Saint Louis, MO, USA
| | - Glenn Lopate
- Department of Neurology and Hope Center for Neurologic Disorders, Washington University School of Medicine, Saint Louis, MO, USA
| | - Alan Pestronk
- Department of Neurology and Hope Center for Neurologic Disorders, Washington University School of Medicine, Saint Louis, MO, USA
| | - Matthew B Harms
- Department of Neurology and Hope Center for Neurologic Disorders, Washington University School of Medicine, Saint Louis, MO, USA
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18
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Narayanaswami P, Weiss M, Selcen D, David W, Raynor E, Carter G, Wicklund M, Barohn RJ, Ensrud E, Griggs RC, Gronseth G, Amato AA. Evidence-based guideline summary: diagnosis and treatment of limb-girdle and distal dystrophies: report of the guideline development subcommittee of the American Academy of Neurology and the practice issues review panel of the American Association of Neuromuscular & Electrodiagnostic Medicine. Neurology 2014; 83:1453-63. [PMID: 25313375 DOI: 10.1212/wnl.0000000000000892] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE To review the current evidence and make practice recommendations regarding the diagnosis and treatment of limb-girdle muscular dystrophies (LGMDs). METHODS Systematic review and practice recommendation development using the American Academy of Neurology guideline development process. RESULTS Most LGMDs are rare, with estimated prevalences ranging from 0.07 per 100,000 to 0.43 per 100,000. The frequency of some muscular dystrophies varies based on the ethnic background of the population studied. Some LGMD subtypes have distinguishing features, including pattern of muscle involvement, cardiac abnormalities, extramuscular involvement, and muscle biopsy findings. The few published therapeutic trials were not designed to establish clinical efficacy of any treatment. PRINCIPAL RECOMMENDATIONS For patients with suspected muscular dystrophy, clinicians should use a clinical approach to guide genetic diagnosis based on clinical phenotype, inheritance pattern, and associated manifestations (Level B). Clinicians should refer newly diagnosed patients with an LGMD subtype and high risk of cardiac complications for cardiology evaluation even if they are asymptomatic from a cardiac standpoint (Level B). In patients with LGMD with a known high risk of respiratory failure, clinicians should obtain periodic pulmonary function testing (Level B). Clinicians should refer patients with muscular dystrophy to a clinic that has access to multiple specialties designed specifically to care for patients with neuromuscular disorders (Level B). Clinicians should not offer patients with LGMD gene therapy, myoblast transplantation, neutralizing antibody to myostatin, or growth hormone outside of a research study designed to determine efficacy and safety of the treatment (Level R). Detailed results and recommendations are available on the Neurology® Web site at Neurology.org.
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Affiliation(s)
- Pushpa Narayanaswami
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Michael Weiss
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Duygu Selcen
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - William David
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Elizabeth Raynor
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Gregory Carter
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Matthew Wicklund
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Richard J Barohn
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Erik Ensrud
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Robert C Griggs
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Gary Gronseth
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
| | - Anthony A Amato
- From the Department of Neurology (P.N., E.R.), Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA; the Department of Neurology (M.W.), University of Washington Medical Center, Seattle; the Department of Neurology (D.S.), Mayo Clinic, Rochester, MN; the Department of Neurology (W.D.), Massachusetts General Hospital/Harvard Medical School, Boston; St Luke's Rehabilitation Institute (G.C.), Spokane, WA; the Department of Neurology (M.W.), Penn State Hershey Medical Center, PA; the Department of Neurology (R.J.B., G.G.), University of Kansas Medical Center, Kansas City; the Neuromuscular Center (E.E.), Boston VA Medical Center, MA; the Department of Neurology (R.C.G.), University of Rochester Medical Center, NY; and the Department of Neurology (E.E., A.A.A.), Brigham and Women's Hospital/Harvard Medical School, Boston, MA
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Brodehl A, Dieding M, Klauke B, Dec E, Madaan S, Huang T, Gargus J, Fatima A, Saric T, Cakar H, Walhorn V, Tönsing K, Skrzipczyk T, Cebulla R, Gerdes D, Schulz U, Gummert J, Svendsen JH, Olesen MS, Anselmetti D, Christensen AH, Kimonis V, Milting H. The novel desmin mutant p.A120D impairs filament formation, prevents intercalated disk localization, and causes sudden cardiac death. ACTA ACUST UNITED AC 2013; 6:615-23. [PMID: 24200904 DOI: 10.1161/circgenetics.113.000103] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND The intermediate filament protein desmin is encoded by the gene DES and contributes to the mechanical stabilization of the striated muscle sarcomere and cell contacts within the cardiac intercalated disk. DES mutations cause severe skeletal and cardiac muscle diseases with heterogeneous phenotypes. Recently, DES mutations were also found in patients with arrhythmogenic right ventricular cardiomyopathy. Currently, the cellular and molecular pathomechanisms of the DES mutations leading to this disease are not exactly known. METHODS AND RESULTS We identified the 2 novel variants DES-p.A120D (c.359C>A) and DES-p.H326R (c.977A>G), which were characterized by cell culture experiments and atomic force microscopy. Family analysis indicated a broad spectrum of cardiomyopathies with a striking frequency of arrhythmias and sudden cardiac deaths. The in vitro experiments of desmin-p.A120D reveal a severe intrinsic filament formation defect causing cytoplasmic aggregates in cell lines and of the isolated recombinant protein. Model variants of codon 120 indicated that ionic interactions contribute to this filament formation defect. Ex vivo analysis of ventricular tissue slices revealed a loss of desmin staining within the intercalated disk and severe cytoplasmic aggregate formation, whereas z-band localization was not affected. The functional experiments of desmin-p.H326R did not demonstrate any differences from wild type. CONCLUSIONS Because of the functional in vivo and in vitro characterization, DES-p.A120D has to be regarded as a pathogenic mutation and DES-p.H326R as a rare variant with unknown significance. Presumably, the loss of the desmin-p. A120D filament localization at the intercalated disk explains its clinical arrhythmogenic potential.
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20
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Lipshultz SE, Cochran TR, Briston DA, Brown SR, Sambatakos PJ, Miller TL, Carrillo AA, Corcia L, Sanchez JE, Diamond MB, Freundlich M, Harake D, Gayle T, Harmon WG, Rusconi PG, Sandhu SK, Wilkinson JD. Pediatric cardiomyopathies: causes, epidemiology, clinical course, preventive strategies and therapies. Future Cardiol 2013; 9:817-48. [PMID: 24180540 PMCID: PMC3903430 DOI: 10.2217/fca.13.66] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Pediatric cardiomyopathies, which are rare but serious disorders of the muscles of the heart, affect at least one in every 100,000 children in the USA. Approximately 40% of children with symptomatic cardiomyopathy undergo heart transplantation or die from cardiac complications within 2 years. However, a significant number of children suffering from cardiomyopathy are surviving into adulthood, making it an important chronic illness for both pediatric and adult clinicians to understand. The natural history, risk factors, prevalence and incidence of this pediatric condition were not fully understood before the 1990s. Questions regarding optimal diagnostic, prognostic and treatment methods remain. Children require long-term follow-up into adulthood in order to identify the factors associated with best clinical practice including diagnostic approaches, as well as optimal treatment approaches. In this article, we comprehensively review current research on various presentations of this disease, along with current knowledge about their causes, treatments and clinical outcomes.
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Affiliation(s)
- Steven E Lipshultz
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
- Holtz Children’s Hospital of the University of Miami/Jackson Memorial Medical Center & Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Thomas R Cochran
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - David A Briston
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Stefanie R Brown
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Peter J Sambatakos
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Tracie L Miller
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
- Holtz Children’s Hospital of the University of Miami/Jackson Memorial Medical Center & Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Adriana A Carrillo
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Liat Corcia
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Janine E Sanchez
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Melissa B Diamond
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Michael Freundlich
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Danielle Harake
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Tamara Gayle
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - William G Harmon
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Paolo G Rusconi
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - Satinder K Sandhu
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
| | - James D Wilkinson
- Department of Pediatrics, University of Miami Miller School of Medicine, 1601 NW 12th Avenue, 9th Floor, Miami, FL 33136, USA
- Holtz Children’s Hospital of the University of Miami/Jackson Memorial Medical Center & Sylvester Comprehensive Cancer Center, Miami, FL, USA
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21
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Desminopathies: pathology and mechanisms. Acta Neuropathol 2013; 125:47-75. [PMID: 23143191 PMCID: PMC3535371 DOI: 10.1007/s00401-012-1057-6] [Citation(s) in RCA: 130] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2012] [Revised: 10/15/2012] [Accepted: 10/18/2012] [Indexed: 12/22/2022]
Abstract
The intermediate filament protein desmin is an essential component of the extra-sarcomeric cytoskeleton in muscle cells. This three-dimensional filamentous framework exerts central roles in the structural and functional alignment and anchorage of myofibrils, the positioning of cell organelles and signaling events. Mutations of the human desmin gene on chromosome 2q35 cause autosomal dominant, autosomal recessive, and sporadic myopathies and/or cardiomyopathies with marked phenotypic variability. The disease onset ranges from childhood to late adulthood. The clinical course is progressive and no specific treatment is currently available for this severely disabling disease. The muscle pathology is characterized by desmin-positive protein aggregates and degenerative changes of the myofibrillar apparatus. The molecular pathophysiology of desminopathies is a complex, multilevel issue. In addition to direct effects on the formation and maintenance of the extra-sarcomeric intermediate filament network, mutant desmin affects essential protein interactions, cell signaling cascades, mitochondrial functions, and protein quality control mechanisms. This review summarizes the currently available data on the epidemiology, clinical phenotypes, myopathology, and genetics of desminopathies. In addition, this work provides an overview on the expression, filament formation processes, biomechanical properties, post-translational modifications, interaction partners, subcellular localization, and functions of wild-type and mutant desmin as well as desmin-related cell and animal models.
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22
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van Spaendonck-Zwarts KY, van der Kooi AJ, van den Berg MP, Ippel EF, Boven LG, Yee WC, van den Wijngaard A, Brusse E, Hoogendijk JE, Doevendans PA, de Visser M, Jongbloed JDH, van Tintelen JP. Recurrent and founder mutations in the Netherlands: the cardiac phenotype of DES founder mutations p.S13F and p.N342D. Neth Heart J 2012; 20:219-28. [PMID: 22215463 PMCID: PMC3346870 DOI: 10.1007/s12471-011-0233-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background Desmin-related myopathy (DRM) is an autosomally inherited skeletal and cardiac myopathy, mainly caused by dominant mutations in the desmin gene (DES). We describe new families carrying the p.S13F or p.N342D DES mutations, the cardiac phenotype of all carriers, and the founder effects. Methods We collected the clinical details of all carriers of p.S13F or p.N342D. The founder effects were studied using genealogy and haplotype analysis. Results We identified three new index patients carrying the p.S13F mutation and two new families carrying the p.N342D mutation. In total, we summarised the clinical details of 39 p.S13F carriers (eight index patients) and of 21 p.N342D carriers (three index patients). The cardiac phenotype of p.S13F carriers is fully penetrant and severe, characterised by cardiac conduction disease and cardiomyopathy, often with right ventricular involvement. Although muscle weakness is a prominent and presenting symptom in p.N342D carriers, their cardiac phenotype is similar to that of p.S13F carriers. The founder effects of p.S13F and p.N342D were demonstrated by genealogy and haplotype analysis. Conclusion DRM may occur as an apparently isolated cardiological disorder. The cardiac phenotypes of the DES founder mutations p.S13F and p.N342D are characterised by cardiac conduction disease and cardiomyopathy, often with right ventricular involvement. Electronic supplementary material The online version of this article (doi:10.1007/s12471-011-0233-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- K Y van Spaendonck-Zwarts
- Department of Genetics, University of Groningen, University Medical Center Groningen, PO Box 30001, 9700 RB, Groningen, the Netherlands,
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Hong D, Wang Z, Zhang W, Xi J, Lu J, Luan X, Yuan Y. A series of Chinese patients with desminopathy associated with six novel and one reported mutations in the desmin gene. Neuropathol Appl Neurobiol 2011; 37:257-70. [DOI: 10.1111/j.1365-2990.2010.01112.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Otten E, Asimaki A, Maass A, van Langen IM, van der Wal A, de Jonge N, van den Berg MP, Saffitz JE, Wilde AA, Jongbloed JD, van Tintelen JP. Desmin mutations as a cause of right ventricular heart failure affect the intercalated disks. Heart Rhythm 2010; 7:1058-64. [DOI: 10.1016/j.hrthm.2010.04.023] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2009] [Accepted: 04/20/2010] [Indexed: 11/25/2022]
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Abstract
Dilated cardiomyopathy (DCM) is a myocardial disorder defined by ventricular chamber enlargement and systolic dysfunction. DCM can result in progressive heart failure, arrhythmias, thromboembolism, and premature death, and contributes significantly to health care costs. In many cases, DCM results from acquired factors that affect cardiomyocyte function or survival. Inherited genetic variants are also now recognized to have an important role in the etiology of DCM. Despite substantial progress over the past decade, our understanding of familial DCM remains incomplete. Current concepts of the molecular pathogenesis, clinical presentation, natural history, and management of familial DCM are outlined in this review.
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Affiliation(s)
- Diane Fatkin
- Molecular Cardiology Division, Victor Chang Cardiac Research Institute, 405 Liverpool Street, Darlinghurst, NSW 2010, Australia.
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van Spaendonck-Zwarts KY, van Hessem L, Jongbloed JDH, de Walle HEK, Capetanaki Y, van der Kooi AJ, van Langen IM, van den Berg MP, van Tintelen JP. Desmin-related myopathy. Clin Genet 2010; 80:354-66. [PMID: 20718792 DOI: 10.1111/j.1399-0004.2010.01512.x] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Desmin-related myopathy (DRM) is an autosomally inherited skeletal and cardiac myopathy, mainly caused by dominant mutations in the desmin gene (DES). We provide (i) a literature review on DRM, including clinical manifestations, inheritance, molecular genetics, myopathology and management and (ii) a meta-analysis of reported DES mutation carriers, focusing on their clinical characteristics and potential genotype-phenotype correlations. Meta-analysis: DES mutation carriers (n = 159) with 40 different mutations were included. Neurological signs were present in 74% and cardiological signs in 74% of carriers (both neurological and cardiological signs in 49%, isolated neurological signs in 22%, and isolated cardiological signs in 22%). More than 70% of carriers exhibited myopathy or muscular weakness, with normal creatine kinase levels present in one third of them. Up to 50% of carriers had cardiomyopathy and around 60% had cardiac conduction disease or arrhythmias, with atrioventricular block as an important hallmark. Symptoms generally started during the 30s; a quarter of carriers died at a mean age of 49 years. Sudden cardiac death occurred in two patients with a pacemaker, suggesting a ventricular tachyarrhythmia as cause of death. The majority of DES mutations were missense mutations, mostly located in the 2B domain. Mutations in the 2B domain were predominant in patients with an isolated neurological phenotype, whereas head and tail domain mutations were predominant in patients with an isolated cardiological phenotype.
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Affiliation(s)
- K Y van Spaendonck-Zwarts
- Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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van Tintelen JP, Van Gelder IC, Asimaki A, Suurmeijer AJ, Wiesfeld AC, Jongbloed JD, van den Wijngaard A, Kuks JB, van Spaendonck-Zwarts KY, Notermans N, Boven L, van den Heuvel F, Veenstra-Knol HE, Saffitz JE, Hofstra RM, van den Berg MP. Severe cardiac phenotype with right ventricular predominance in a large cohort of patients with a single missense mutation in the DES gene. Heart Rhythm 2009; 6:1574-83. [DOI: 10.1016/j.hrthm.2009.07.041] [Citation(s) in RCA: 126] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2009] [Accepted: 07/23/2009] [Indexed: 11/29/2022]
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Disease mutations in the “head” domain of the extra-sarcomeric protein desmin distinctly alter its assembly and network-forming properties. J Mol Med (Berl) 2009; 87:1207-19. [DOI: 10.1007/s00109-009-0521-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2009] [Revised: 08/08/2009] [Accepted: 08/11/2009] [Indexed: 10/20/2022]
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