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Papadimas GK, Xirou S, Kararizou E, Papadopoulos C. Update on Congenital Myopathies in Adulthood. Int J Mol Sci 2020; 21:ijms21103694. [PMID: 32456280 PMCID: PMC7279481 DOI: 10.3390/ijms21103694] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/17/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
Congenital myopathies (CMs) constitute a group of heterogenous rare inherited muscle diseases with different incidences. They are traditionally grouped based on characteristic histopathological findings revealed on muscle biopsy. In recent decades, the ever-increasing application of modern genetic technologies has not just improved our understanding of their pathophysiology, but also expanded their phenotypic spectrum and contributed to a more genetically based approach for their classification. Later onset forms of CMs are increasingly recognised. They are often considered milder with slower progression, variable clinical presentations and different modes of inheritance. We reviewed the key features and genetic basis of late onset CMs with a special emphasis on those forms that may first manifest in adulthood.
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Dabaj I, Carlier RY, Gómez‐Andrés D, Neto OA, Bertini E, D'amico A, Fattori F, PéRéon Y, Castiglioni C, Rodillo E, Catteruccia M, Guimarães JB, Oliveira ASB, Reed UC, Mesrob L, Lechner D, Boland A, Deleuze J, Malfatti E, Bonnemann C, Laporte J, Romero N, Felter A, Quijano‐Roy S, Moreno CAM, Zanoteli E. Clinical and imaging hallmarks of the
MYH7
‐related myopathy with severe axial involvement. Muscle Nerve 2018; 58:224-234. [DOI: 10.1002/mus.26137] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 03/24/2018] [Accepted: 03/30/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Ivana Dabaj
- APHP, Service de Pediatrie, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches, Centre de Reference de Maladies Neuromusculaires Centre de référence des maladies neuromusculaires Nord/Est/Ile de France
| | - Robert Y Carlier
- APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
| | - David Gómez‐Andrés
- Child Neurology Unit, Hospital Universitari Vall d'Hebron, ERN‐RND / ERN‐NMD. Vall d'Hebron Institut de Recerca, Barcelona, SpainBarcelona Spain
| | - Osório Abath Neto
- Neuromuscular and Neurogenetics Disorders of Childhood Section, Neurogenetics Branch, National Institutes of Neurological Disorders and Stroke, NIHBethesda Maryland USA
| | - Enrico Bertini
- Unit of Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Department of Neurosciences, Bambino Gesú Children's HospitalRome Italy
| | - Adele D'amico
- Unit of Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Department of Neurosciences, Bambino Gesú Children's HospitalRome Italy
| | - Fabiana Fattori
- Unit of Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Department of Neurosciences, Bambino Gesú Children's HospitalRome Italy
| | - Yann PéRéon
- APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
- Centre de reference de maladies neuromusculaires Nantes‐Angers, Hôtel‐Dieu, CHU Nantes France
| | | | - Eliana Rodillo
- Department of Pediatric, Neurology UnitClínica Las CondesSantiago Chile
| | - Michela Catteruccia
- Unit of Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Department of Neurosciences, Bambino Gesú Children's HospitalRome Italy
| | | | | | - Umbertina Conti Reed
- Departamento de NeurologiaFaculdade de Medicina da Universidade de São Paulo (FMUSP)São Paulo Brazil
| | - Lilia Mesrob
- Centre National de Génotypage, Institut de Génomique, CEAEvry France
| | - Doris Lechner
- Centre National de Génotypage, Institut de Génomique, CEAEvry France
| | - Anne Boland
- Centre National de Génotypage, Institut de Génomique, CEAEvry France
| | | | - Edoardo Malfatti
- APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
- Laboratoire de Pathologie musculaire, Institut de MyologieParis France
| | - Carsten Bonnemann
- Neuromuscular and Neurogenetics Disorders of Childhood Section, Neurogenetics Branch, National Institutes of Neurological Disorders and Stroke, NIHBethesda Maryland USA
| | - Jocelyn Laporte
- Department of Translational Medicine and Neurogenetics, IGBMC, INSERM U964, CNRS UMR7104University of StrasbourgIllkirch France
| | - Norma Romero
- APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
- Laboratoire de Pathologie musculaire, Institut de MyologieParis France
| | - Adrien Felter
- APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
| | - Susana Quijano‐Roy
- APHP, Service de Pediatrie, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches, Centre de Reference de Maladies Neuromusculaires Centre de référence des maladies neuromusculaires Nord/Est/Ile de France
| | | | - Edmar Zanoteli
- Departamento de NeurologiaFaculdade de Medicina da Universidade de São Paulo (FMUSP)São Paulo Brazil
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Olivé M, Abdul-Hussein S, Oldfors A, González-Costello J, van der Ven PFM, Fürst DO, González L, Moreno D, Torrejón-Escribano B, Alió J, Pou A, Ferrer I, Tajsharghi H. New cardiac and skeletal protein aggregate myopathy associated with combined MuRF1 and MuRF3 mutations. Hum Mol Genet 2015; 24:3638-50. [PMID: 25801283 DOI: 10.1093/hmg/ddv108] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 03/18/2015] [Indexed: 12/22/2022] Open
Abstract
Protein aggregate myopathies (PAMs) define muscle disorders characterized by protein accumulation in muscle fibres. We describe a new PAM in a patient with proximal muscle weakness and hypertrophic cardiomyopathy, whose muscle fibres contained inclusions containing myosin and myosin-associated proteins, and aberrant distribution of microtubules. These lesions appear as intact A- and M-bands lacking thin filaments and Z-discs. These features differ from inclusions in myosin storage myopathy (MSM), but are highly similar to those in mice deficient for the muscle-specific RING finger proteins MuRF1 and MuRF3. Sanger sequencing excluded mutations in the MSM-associated gene MYH7 but identified mutations in TRIM63 and TRIM54, encoding MuRF1 and MuRF3, respectively. No mutations in other potentially disease-causing genes were identified by Sanger and whole exome sequencing. Analysis of seven family members revealed that both mutations segregated in the family but only the homozygous TRIM63 null mutation in combination with the heterozygous TRIM54 mutation found in the proband caused the disease phenotype. Both MuRFs are microtubule-associated proteins localizing to sarcomeric M-bands and Z-discs. They are E3 ubiquitin ligases that play a role in degradation of sarcomeric proteins, stabilization of microtubules and myogenesis. Lack of ubiquitin and the 20S proteasome subunit in the inclusions found in the patient suggested impaired turnover of thick filament proteins. Disruption of microtubules in cultured myotubes was rescued by transient expression of wild-type MuRF1. The unique features of this novel myopathy point to defects in homeostasis of A-band proteins in combination with instability of microtubules as cause of the disease.
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Affiliation(s)
- Montse Olivé
- Institute of Neuropathology, Department of Pathology and Neuromuscular Unit, Department of Neurology, CIBERNED, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, Instituto Carlos III, Barcelona, Spain
| | - Saba Abdul-Hussein
- Department of Pathology, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg SE-413 45, Sweden
| | - Anders Oldfors
- Department of Pathology, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg SE-413 45, Sweden
| | | | - Peter F M van der Ven
- Department of Molecular Cell Biology, Institute for Cell Biology, University of Bonn, D-53121 Bonn, Germany
| | - Dieter O Fürst
- Department of Molecular Cell Biology, Institute for Cell Biology, University of Bonn, D-53121 Bonn, Germany
| | - Laura González
- Institute of Neuropathology, Department of Pathology and Neuromuscular Unit, Department of Neurology
| | - Dolores Moreno
- Institute of Neuropathology, Department of Pathology and
| | - Benjamín Torrejón-Escribano
- Scientific and Technical Services Facility, Biology Unit, CCiTUB, IDIBELL-University of Barcelona, Barcelona, Spain
| | | | - Adolf Pou
- Department of Neurology, Hospital del Mar, Barcelona, Spain
| | - Isidro Ferrer
- CIBERNED, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, Instituto Carlos III, Barcelona, Spain, Institute of Neuropathology, Department of Pathology and
| | - Homa Tajsharghi
- Department of Pathology, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg SE-413 45, Sweden, Department of Clinical and Medical Genetics, University of Gothenburg, Gothenburg SE-405 30, Sweden and Systems Biology Research Centre, School of Biomedicine, University of Skövde, Skövde SE-541 28, Sweden
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Finsterer J, Brandau O, Stöllberger C, Wallefeld W, Laing NG, Laccone F. Distal myosin heavy chain-7 myopathy due to the novel transition c.5566G>A (p.E1856K) with high interfamilial cardiac variability and putative anticipation. Neuromuscul Disord 2014; 24:721-5. [PMID: 24953931 DOI: 10.1016/j.nmd.2014.05.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 05/17/2014] [Accepted: 05/21/2014] [Indexed: 11/25/2022]
Abstract
Myosin-heavy-chain 7 (MYH7)-myopathy manifests clinically with a distal, scapuloperoneal, limb-girdle (proximal), or axial distribution and may involve the respiratory muscles. Cardiac involvement is frequent, ranging from relaxation impairment to severe dilative cardiomyopathy. Progression and earlier onset of cardiac disease in successive generations with MYH7-myopathy is unreported. In a five-generation family MYH7-myopathy due to the novel c.5566G > A (p.E1856K) mutation manifested with late-onset, distal > proximal myopathy and variable degree of cardiac involvement. The index patient developed distal myopathy since age 49 y and anginal chest pain. Her mother had distal myopathy and impaired myocardial relaxation. The daughter of the index patient had discrete myopathy but left ventricular hypertrabeculation/noncompaction and ventricular arrhythmias requiring an implantable cardioverter defibrillator. The granddaughter of the index patient had infantile dilated cardiomyopathy without overt myopathy. Cardiac involvement may be present in MYH7-myopathy and may be progressive between the generations, ranging from relaxation abnormality to noncompaction, ventricular arrhythmias, and dilated cardiomyopathy.
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Affiliation(s)
| | - Oliver Brandau
- Institute of Medical Genetics, Medical University of Vienna, Währinger Strasse 10, 1090 Vienna, Austria
| | - Claudia Stöllberger
- 2nd Medical Department with Cardiology and Intensive Care Medicine Krankenanstalt Rudolfstiftung, Vienna, Austria
| | - William Wallefeld
- Centre for Medical Research, University of Western Australia and Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia 6009, Australia
| | - Nigel G Laing
- Centre for Medical Research, University of Western Australia and Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia 6009, Australia
| | - Franco Laccone
- Institute of Medical Genetics, Medical University of Vienna, Währinger Strasse 10, 1090 Vienna, Austria
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Lamont PJ, Wallefeld W, Hilton-Jones D, Udd B, Argov Z, Barboi AC, Bonneman C, Boycott KM, Bushby K, Connolly AM, Davies N, Beggs AH, Cox GF, Dastgir J, DeChene ET, Gooding R, Jungbluth H, Muelas N, Palmio J, Penttilä S, Schmedding E, Suominen T, Straub V, Staples C, Van den Bergh PYK, Vilchez JJ, Wagner KR, Wheeler PG, Wraige E, Laing NG. Novel mutations widen the phenotypic spectrum of slow skeletal/β-cardiac myosin (MYH7) distal myopathy. Hum Mutat 2014; 35:868-79. [PMID: 24664454 DOI: 10.1002/humu.22553] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 03/10/2014] [Indexed: 01/01/2023]
Abstract
Laing early onset distal myopathy and myosin storage myopathy are caused by mutations of slow skeletal/β-cardiac myosin heavy chain encoded by the gene MYH7, as is a common form of familial hypertrophic/dilated cardiomyopathy. The mechanisms by which different phenotypes are produced by mutations in MYH7, even in the same region of the gene, are not known. To explore the clinical spectrum and pathobiology, we screened the MYH7 gene in 88 patients from 21 previously unpublished families presenting with distal or generalized skeletal muscle weakness, with or without cardiac involvement. Twelve novel mutations have been identified in thirteen families. In one of these families, the father of the proband was found to be a mosaic for the MYH7 mutation. In eight cases, de novo mutation appeared to have occurred, which was proven in four. The presenting complaint was footdrop, sometimes leading to delayed walking or tripping, in members of 17 families (81%), with other presentations including cardiomyopathy in infancy, generalized floppiness, and scoliosis. Cardiac involvement as well as skeletal muscle weakness was identified in nine of 21 families. Spinal involvement such as scoliosis or rigidity was identified in 12 (57%). This report widens the clinical and pathological phenotypes, and the genetics of MYH7 mutations leading to skeletal muscle diseases.
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Affiliation(s)
- Phillipa J Lamont
- Neurogenetic Unit, Department of Neurology, Royal Perth Hospital, Western Australia, Australia; Diagnostic Genomics Laboratory, Pathwest, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia
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North KN, Wang CH, Clarke N, Jungbluth H, Vainzof M, Dowling JJ, Amburgey K, Quijano-Roy S, Beggs AH, Sewry C, Laing NG, Bönnemann CG. Approach to the diagnosis of congenital myopathies. Neuromuscul Disord 2014; 24:97-116. [PMID: 24456932 PMCID: PMC5257342 DOI: 10.1016/j.nmd.2013.11.003] [Citation(s) in RCA: 176] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 11/06/2013] [Accepted: 11/08/2013] [Indexed: 10/26/2022]
Abstract
Over the past decade there have been major advances in defining the genetic basis of the majority of congenital myopathy subtypes. However the relationship between each congenital myopathy, defined on histological grounds, and the genetic cause is complex. Many of the congenital myopathies are due to mutations in more than one gene, and mutations in the same gene can cause different muscle pathologies. The International Standard of Care Committee for Congenital Myopathies performed a literature review and consulted a group of experts in the field to develop a summary of (1) the key features common to all forms of congenital myopathy and (2) the specific features that help to discriminate between the different genetic subtypes. The consensus statement was refined by two rounds of on-line survey, and a three-day workshop. This consensus statement provides guidelines to the physician assessing the infant or child with hypotonia and weakness. We summarise the clinical features that are most suggestive of a congenital myopathy, the major differential diagnoses and the features on clinical examination, investigations, muscle pathology and muscle imaging that are suggestive of a specific genetic diagnosis to assist in prioritisation of genetic testing of known genes. As next generation sequencing becomes increasingly used as a diagnostic tool in clinical practise, these guidelines will assist in determining which sequence variations are likely to be pathogenic.
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Affiliation(s)
- Kathryn N North
- Murdoch Childrens Research Institute, Royal Children's Hospital, Flemington Road, Parkville, Melbourne, Victoria 3052, Australia; Institute for Neuroscience and Muscle Research, The Children's Hospital at Westmead, University of Sydney, Sydney, Australia.
| | - Ching H Wang
- Driscoll Children's Hospital, Corpus Christi, TX, United States
| | - Nigel Clarke
- Institute for Neuroscience and Muscle Research, The Children's Hospital at Westmead, University of Sydney, Sydney, Australia
| | - Heinz Jungbluth
- Evelina Children's Hospital, Department of Paediatric Neurology, London, United Kingdom; Randall Division for Cell and Molecular Biophysics, Muscle Signalling Section, King's College, London, United Kingdom; Clinical Neuroscience Division, IoP, London, United Kingdom
| | - Mariz Vainzof
- Human Genome Research Center, University of Sao Paulo, Sao Paulo, Brazil
| | - James J Dowling
- Division of Neurology, Department of Paediatrics, Hospital for Sick Children, Toronto, ON, Canada
| | - Kimberly Amburgey
- Division of Neurology, Department of Paediatrics, Hospital for Sick Children, Toronto, ON, Canada
| | - Susana Quijano-Roy
- Department of Pediatrics, Garches Neuromuscular Reference Center (GNMH), APHP Raymond Poincare University Hospital (UVSQ), Garches, France
| | - Alan H Beggs
- Children's Hospital Boston, Boston, MA, United States
| | - Caroline Sewry
- Dubowitz Neuromuscular Centre, London, United Kingdom; Wolfson Centre of Inherited Neuromuscular Diseases, RJAH Orthopaedic Hospital, Oswestry, United Kingdom
| | - Nigel G Laing
- Centre for Medical Research, University of Western Australia and Harry Perkins Institute of Medical Research, QQ Building, QEII Medical Centre, Nedlands, Western Australia 6009, Australia
| | - Carsten G Bönnemann
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, Bethesda, MD, United States
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Abstract
Congenital myopathies are a heterogeneous group of inherited muscle disorders, characterized by the predominance of particular histopathological features on muscle biopsy, such as cores (central core disease) or rods (nemaline myopathy). Clinically, early onset of the disease, stable or slowly progressive muscle weakness, hypotonia and delayed motor development are common in most forms. As a result, the diagnosis of a subtype of congenital myopathy is largely based on the presence of specific structural abnormalities in the skeletal muscle detected by enzyme-histochemistry and electron microscopy studies. During the last decades there have been significant advances in the identification of the genetic basis of most congenital myopathies. However, there is significant genetic heterogeneity within the main groups of congenital myopathies, and mutations in one particular gene may also cause diverse clinical and morphological phenotypes. Thus, the nosography and nosology in this field is still evolving.
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Affiliation(s)
- Norma Beatriz Romero
- Morphology Neuromuscular Unit of the Myology Institute, GHU Pitié-Salpêtrière, Paris, France.
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Abstract
Congenital fiber-type disproportion is a form of congenital myopathy that may be best viewed as a syndrome rather than as a formal diagnosis. The central histologic abnormality is that type 1 fibers are consistently smaller than type 2 fibers by at least 35%-40%. Care is needed in diagnosing patients, as this histologic abnormality can occur in other congenital myopathies and in other neuromuscular disorders. Many of the genetic causes have been identified. Careful surveillance of respiratory function is required in all patients until the specific genetic cause is known and advice can be individualized.
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Affiliation(s)
- Nigel F Clarke
- Institute of Neuroscience and Muscle Research, Children's Hospital at Westmead, Discipline of Paediatrics & Child Health, University of Sydney, Westmead, New South Wales, Australia.
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Armel TZ, Leinwand LA. Mutations in the beta-myosin rod cause myosin storage myopathy via multiple mechanisms. Proc Natl Acad Sci U S A 2009; 106:6291-6. [PMID: 19336582 DOI: 10.1073/pnas.0900107106] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Myosin storage myopathy (MSM) is a congenital myopathy characterized by the presence of subsarcolemmal inclusions of myosin in the majority of type I muscle fibers, and has been linked to 4 mutations in the slow/cardiac muscle myosin, beta-MyHC (MYH7). Although the majority of the >230 disease causing mutations in MYH7 are located in the globular head region of the molecule, those responsible for MSM are part of a subset of MYH7 mutations that are located in the alpha-helical coiled-coil tail. Mutations in the myosin head are thought to affect the ATPase and actin-binding properties of the molecule. To date, however, there are no reports of the molecular mechanism of pathogenesis for mutations in the rod region of muscle myosins. Here, we present analysis of 4 mutations responsible for MSM: L1793P, R1845W, E1886K, and H1901L. We show that each MSM mutation has a different molecular phenotype, suggesting that there are multiple mechanisms by which MSM can be caused. These mechanisms range from thermodynamic and functional irregularities of individual proteins (L1793P), to varying defects in the assembly and stability of filaments formed from the proteins (R1845W, E1886K, and H1901L). In addition to furthering our understanding of MSM, these observations provide the first insight into how mutations affect the rod region of muscle myosins, and provide a framework for future studies of disease-causing mutations in this region of the molecule.
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