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Liang Q, Vlaar EC, Pijnenburg JM, Rijkers E, Demmers JAA, Vulto AG, van der Ploeg AT, van Til NP, Pijnappel WWMP. Lentiviral gene therapy with IGF2-tagged GAA normalizes the skeletal muscle proteome in murine Pompe disease. J Proteomics 2024; 291:105037. [PMID: 38288553 DOI: 10.1016/j.jprot.2023.105037] [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: 05/16/2023] [Revised: 10/03/2023] [Accepted: 10/09/2023] [Indexed: 02/01/2024]
Abstract
Pompe disease is a lysosomal storage disorder caused by deficiency of acid alpha-glucosidase (GAA), resulting in glycogen accumulation with profound pathology in skeletal muscle. We recently developed an optimized form of lentiviral gene therapy for Pompe disease in which a codon-optimized version of the GAA transgene (LV-GAAco) was fused to an insulin-like growth factor 2 (IGF2) peptide (LV-IGF2.GAAco), to promote cellular uptake via the cation-independent mannose-6-phosphate/IGF2 receptor. Lentiviral gene therapy with LV-IGF2.GAAco showed superior efficacy in heart, skeletal muscle, and brain of Gaa -/- mice compared to gene therapy with untagged LV-GAAco. Here, we used quantitative mass spectrometry using TMT labeling to analyze the muscle proteome and the response to gene therapy in Gaa -/- mice. We found that muscle of Gaa -/- mice displayed altered levels of proteins including those with functions in the CLEAR signaling pathway, autophagy, cytoplasmic glycogen metabolism, calcium homeostasis, redox signaling, mitochondrial function, fatty acid transport, muscle contraction, cytoskeletal organization, phagosome maturation, and inflammation. Gene therapy with LV-GAAco resulted in partial correction of the muscle proteome, while gene therapy with LV-IGF2.GAAco resulted in a near-complete restoration to wild type levels without inducing extra proteomic changes, supporting clinical development of lentiviral gene therapy for Pompe disease. SIGNIFICANCE: Lysosomal glycogen accumulation is the primary cause of Pompe disease, and leads to a cascade of pathological events in cardiac and skeletal muscle and in the central nervous system. In this study, we identified the proteomic changes that are caused by Pompe disease in skeletal muscle of a mouse model. We showed that lentiviral gene therapy with LV-IGF2.GAAco nearly completely corrects disease-associated proteomic changes. This study supports the future clinical development of lentiviral gene therapy with LV-IGF2.GAAco as a new treatment option for Pompe disease.
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Affiliation(s)
- Qiushi Liang
- Department of Hematology and Research Laboratory of Hematology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Eva C Vlaar
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Joon M Pijnenburg
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Erikjan Rijkers
- Proteomics Center, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Jeroen A A Demmers
- Proteomics Center, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Arnold G Vulto
- Hospital Pharmacy, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Ans T van der Ploeg
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - Niek P van Til
- Department of Hematology, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands
| | - W W M Pim Pijnappel
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam 3015GE, the Netherlands.
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Uribe-Carretero E, Rey V, Fuentes JM, Tamargo-Gómez I. Lysosomal Dysfunction: Connecting the Dots in the Landscape of Human Diseases. BIOLOGY 2024; 13:34. [PMID: 38248465 PMCID: PMC10813815 DOI: 10.3390/biology13010034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024]
Abstract
Lysosomes are the main organelles responsible for the degradation of macromolecules in eukaryotic cells. Beyond their fundamental role in degradation, lysosomes are involved in different physiological processes such as autophagy, nutrient sensing, and intracellular signaling. In some circumstances, lysosomal abnormalities underlie several human pathologies with different etiologies known as known as lysosomal storage disorders (LSDs). These disorders can result from deficiencies in primary lysosomal enzymes, dysfunction of lysosomal enzyme activators, alterations in modifiers that impact lysosomal function, or changes in membrane-associated proteins, among other factors. The clinical phenotype observed in affected patients hinges on the type and location of the accumulating substrate, influenced by genetic mutations and residual enzyme activity. In this context, the scientific community is dedicated to exploring potential therapeutic approaches, striving not only to extend lifespan but also to enhance the overall quality of life for individuals afflicted with LSDs. This review provides insights into lysosomal dysfunction from a molecular perspective, particularly in the context of human diseases, and highlights recent advancements and breakthroughs in this field.
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Affiliation(s)
- Elisabet Uribe-Carretero
- Departamento de Bioquímica y Biología Molecular y Genética, Facultad de Enfermería y Terapia Ocupacional, Universidad de Extremadura, 10003 Caceres, Spain; (E.U.-C.)
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativa, Instituto de Salud Carlos III (CIBER-CIBERNED-ISCIII), 28029 Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), 10003 Caceres, Spain
| | - Verónica Rey
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Jose Manuel Fuentes
- Departamento de Bioquímica y Biología Molecular y Genética, Facultad de Enfermería y Terapia Ocupacional, Universidad de Extremadura, 10003 Caceres, Spain; (E.U.-C.)
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativa, Instituto de Salud Carlos III (CIBER-CIBERNED-ISCIII), 28029 Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), 10003 Caceres, Spain
| | - Isaac Tamargo-Gómez
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
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Gómez-Cebrián N, Gras-Colomer E, Poveda Andrés JL, Pineda-Lucena A, Puchades-Carrasco L. Omics-Based Approaches for the Characterization of Pompe Disease Metabolic Phenotypes. BIOLOGY 2023; 12:1159. [PMID: 37759559 PMCID: PMC10525434 DOI: 10.3390/biology12091159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023]
Abstract
Lysosomal storage disorders (LSDs) constitute a large group of rare, multisystemic, inherited disorders of metabolism, characterized by defects in lysosomal enzymes, accessory proteins, membrane transporters or trafficking proteins. Pompe disease (PD) is produced by mutations in the acid alpha-glucosidase (GAA) lysosomal enzyme. This enzymatic deficiency leads to the aberrant accumulation of glycogen in the lysosome. The onset of symptoms, including a variety of neurological and multiple-organ pathologies, can range from birth to adulthood, and disease severity can vary between individuals. Although very significant advances related to the development of new treatments, and also to the improvement of newborn screening programs and tools for a more accurate diagnosis and follow-up of patients, have occurred over recent years, there exists an unmet need for further understanding the molecular mechanisms underlying the progression of the disease. Also, the reason why currently available treatments lose effectiveness over time in some patients is not completely understood. In this scenario, characterization of the metabolic phenotype is a valuable approach to gain insights into the global impact of lysosomal dysfunction, and its potential correlation with clinical progression and response to therapies. These approaches represent a discovery tool for investigating disease-induced modifications in the complete metabolic profile, including large numbers of metabolites that are simultaneously analyzed, enabling the identification of novel potential biomarkers associated with these conditions. This review aims to highlight the most relevant findings of recently published omics-based studies with a particular focus on describing the clinical potential of the specific metabolic phenotypes associated to different subgroups of PD patients.
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Affiliation(s)
- Nuria Gómez-Cebrián
- Drug Discovery Unit, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain
| | - Elena Gras-Colomer
- Pharmacy Department, Hospital Manises of Valencia, 46940 Valencia, Spain
| | | | - Antonio Pineda-Lucena
- Molecular Therapeutics Program, Centro de Investigación Médica Aplicada, 31008 Pamplona, Spain
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Sánchez-Porras V, Guevara-Morales JM, Echeverri-Peña OY. From Acid Alpha-Glucosidase Deficiency to Autophagy: Understanding the Bases of POMPE Disease. Int J Mol Sci 2023; 24:12481. [PMID: 37569856 PMCID: PMC10419125 DOI: 10.3390/ijms241512481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/13/2023] Open
Abstract
Pompe disease (PD) is caused by mutations in the GAA gene, which encodes the lysosomal enzyme acid alpha-glucosidase, causing lysosomal glycogen accumulation, mainly in muscular tissue. Autophagic buildup is considered the main factor affecting skeletal muscle, although other processes are also involved. Uncovering how these mechanisms are interconnected could be an approximation to address long-lasting concerns, like the differential skeletal and cardiac involvement in each clinical phenotype. In this sense, a network reconstruction based on a comprehensive literature review of evidence found in PD enriched with the STRING database and other scientific articles is presented. The role of autophagic lysosome reformation, PGC-1α, MCOLN1, calcineurin, and Keap1 as intermediates between the events involved in the pathologic cascade is discussed and contextualized within their relationship with mTORC1/AMPK. The intermediates and mechanisms found open the possibility of new hypotheses and questions that can be addressed in future experimental studies of PD.
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Affiliation(s)
| | - Johana Maria Guevara-Morales
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Carrera 7 # 43-82, Ed. 54, Lab 303A, Bogotá 110231, Colombia;
| | - Olga Yaneth Echeverri-Peña
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Carrera 7 # 43-82, Ed. 54, Lab 303A, Bogotá 110231, Colombia;
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Senarathne UD, Jasinge E, Viknarajah Mohan S, Waidyanatha S. Non-specificity of symptoms in infantile-onset Pompe disease may delay the diagnosis and institution of treatment. BMJ Case Rep 2022; 15:15/3/e247312. [PMID: 35264382 PMCID: PMC8915381 DOI: 10.1136/bcr-2021-247312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Pompe disease is an autosomal-recessive inherited disorder of glycogen metabolism due to lysosomal acid alpha-glucosidase deficiency. The infantile-onset form is rapidly fatal if left untreated and presents with respiratory symptoms, a typical encounter during infancy. We discuss two infants presenting with respiratory symptoms since early infancy and found to have cardiomegaly, hypotonia, elevated muscle enzymes, leading to the diagnosis of Pompe disease with genetic confirmation. However, both infants expired before the enzyme replacement therapy due to complications of irreversible muscle damage despite supportive medical care. Presentation with respiratory symptoms common during childhood, absence of alarming symptoms such as hypoglycaemia, ketoacidosis or encephalopathy, and relative rarity of Pompe disease can contribute to lapses in the early diagnosis as observed in the index patients. Thus, these cases emphasise the importance of vigilant assessment of common paediatric presentations, which may be presenting symptoms of underlying sinister pathologies.
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Affiliation(s)
- Udara Dilrukshi Senarathne
- Department of Biochemistry, Faculty of Medical Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka .,Department of Chemical Pathology, Lady Ridgeway Hospital for Children, Borella, Sri Lanka
| | - Eresha Jasinge
- Department of Chemical Pathology, Lady Ridgeway Hospital for Children, Borella, Sri Lanka
| | | | - Samantha Waidyanatha
- Paediatric Unit, Lady Ridgeway Hospital for Children, Borella, Western, Sri Lanka
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Six-Minute Walk Distance Is a Useful Outcome Measure to Detect Motor Decline in Treated Late-Onset Pompe Disease Patients. Cells 2022; 11:cells11030334. [PMID: 35159144 PMCID: PMC8834389 DOI: 10.3390/cells11030334] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 11/16/2022] Open
Abstract
Late-onset Pompe disease (LOPD) is a rare, progressive disorder characterized by limb–girdle muscle weakness and/or respiratory insufficiency, caused by acid alpha-glucosidase (GAA) gene mutations and treated with enzyme replacement therapy. We studied isometric muscle strength in eight muscle groups bilaterally using a Biodex® dynamometer, as well as the Medical Research Council sum score (MRC-SS), hand grip strength, 6 min walk distance (6MWD), 10 m walk test (10MWT) and timed up-and-go test (TUG) in 12 adult, ambulatory, treated LOPD patients and 12 age-/gender-matched healthy controls, every 6 months for 2 years. The mean isometric muscle strength showed a significant decline in right and left knee extensors at 12 months in controls (p < 0.014; p < 0.016), at 18 months in patients (p < 0.010; p < 0.007) and controls (only right side, p < 0.030) and at 24 months in both groups (p < 0.035). The mean 6MWD in patients significantly decreased after 24 months, from 451.9 m to 368.1 m (p < 0.003), whereas in controls, the mean 6MWD significantly increased after 6 months (p < 0.045) and 18 months (p < 0.020) (at 24 months p = 0.054). In patients and controls, the MRC-SS, hand grip test, 10MWT and TUG did not show significant changes (p > 0.05). We conclude that the 6MWD is a useful outcome measure to detect motor decline in treated LOPD patients.
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Lee MJ, Lee I, Wang K. Recent Advances in RNA Therapy and Its Carriers to Treat the Single-Gene Neurological Disorders. Biomedicines 2022; 10:biomedicines10010158. [PMID: 35052837 PMCID: PMC8773368 DOI: 10.3390/biomedicines10010158] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/07/2022] [Accepted: 01/11/2022] [Indexed: 02/07/2023] Open
Abstract
The development of new sequencing technologies in the post-genomic era has accelerated the identification of causative mutations of several single gene disorders. Advances in cell and animal models provide insights into the underlining pathogenesis, which facilitates the development and maturation of new treatment strategies. The progress in biochemistry and molecular biology has established a new class of therapeutics—the short RNAs and expressible long RNAs. The sequences of therapeutic RNAs can be optimized to enhance their stability and translatability with reduced immunogenicity. The chemically-modified RNAs can also increase their stability during intracellular trafficking. In addition, the development of safe and high efficiency carriers that preserves the integrity of therapeutic RNA molecules also accelerates the transition of RNA therapeutics into the clinic. For example, for diseases that are caused by genetic defects in a specific protein, an effective approach termed “protein replacement therapy” can provide treatment through the delivery of modified translatable mRNAs. Short interference RNAs can also be used to treat diseases caused by gain of function mutations or restore the splicing aberration defects. Here we review the applications of newly developed RNA-based therapeutics and its delivery and discuss the clinical evidence supporting the potential of RNA-based therapy in single-gene neurological disorders.
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Affiliation(s)
- Ming-Jen Lee
- Department of Neurology, National Taiwan University Hospital, Taipei 10012, Taiwan;
- Department of Medical Genetics, National Taiwan University Hospital, Taipei 10012, Taiwan
| | - Inyoul Lee
- Institute for Systems Biology, Seattle, WA 98109, USA;
| | - Kai Wang
- Institute for Systems Biology, Seattle, WA 98109, USA;
- Correspondence: ; Tel.: +1-206-732-1336
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Korlimarla A, Lim JA, McIntosh P, Zimmerman K, Sun BD, Kishnani PS. New Insights into Gastrointestinal Involvement in Late-Onset Pompe Disease: Lessons Learned from Bench and Bedside. J Clin Med 2021; 10:jcm10153395. [PMID: 34362174 PMCID: PMC8347662 DOI: 10.3390/jcm10153395] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/22/2021] [Accepted: 07/28/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND There are new emerging phenotypes in Pompe disease, and studies on smooth muscle pathology are limited. Gastrointestinal (GI) manifestations are poorly understood and underreported in Pompe disease. METHODS To understand the extent and the effects of enzyme replacement therapy (ERT; alglucosidase alfa) in Pompe disease, we studied the histopathology (entire GI tract) in Pompe mice (GAAKO 6neo/6neo). To determine the disease burden in patients with late-onset Pompe disease (LOPD), we used Patient-Reported Outcomes Measurements Information System (PROMIS)-GI symptom scales and a GI-focused medical history. RESULTS Pompe mice showed early, extensive, and progressive glycogen accumulation throughout the GI tract. Long-term ERT (6 months) was more effective to clear the glycogen accumulation than short-term ERT (5 weeks). GI manifestations were highly prevalent and severe, presented early in life, and were not fully amenable to ERT in patients with LOPD (n = 58; age range: 18-79 years, median age: 51.55 years; 35 females; 53 on ERT). CONCLUSION GI manifestations cause a significant disease burden on adults with LOPD, and should be evaluated during routine clinical visits, using quantitative tools (PROMIS-GI measures). The study also highlights the need for next generation therapies for Pompe disease that target the smooth muscles.
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Affiliation(s)
- Aditi Korlimarla
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA; (J.-A.L.); (B.D.S.)
- Correspondence: (A.K.); (P.S.K.)
| | - Jeong-A Lim
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA; (J.-A.L.); (B.D.S.)
| | - Paul McIntosh
- Department of Neurology, Duke University Medical Center, Durham, NC 27710, USA;
| | | | - Baodong D. Sun
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA; (J.-A.L.); (B.D.S.)
| | - Priya S. Kishnani
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA; (J.-A.L.); (B.D.S.)
- Correspondence: (A.K.); (P.S.K.)
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Sidorina A, Catesini G, Levi Mortera S, Marzano V, Putignani L, Boenzi S, Taurisano R, Garibaldi M, Deodato F, Dionisi-Vici C. Combined proteomic and lipidomic studies in Pompe disease allow a better disease mechanism understanding. J Inherit Metab Dis 2021; 44:705-717. [PMID: 33325062 DOI: 10.1002/jimd.12344] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022]
Abstract
Pompe disease (PD) is caused by deficiency of the enzyme acid α-glucosidase resulting in glycogen accumulation in lysosomes. Clinical symptoms include skeletal myopathy, respiratory failure, and cardiac hypertrophy. We studied plasma proteomic and lipidomic profiles in 12 PD patients compared to age-matched controls. The proteomic profiles were analyzed by nLC-MS/MS SWATH method. Wide-targeted lipidomic analysis was performed by LC-IMS/MS, allowing to quantify >1100 lipid species, spanning 13 classes. Significant differences were found for 16 proteins, with four showing the most relevant changes (GPLD1, PON1, LDHB, PKM). Lipidomic analysis showed elevated levels of three phosphatidylcholines and of the free fatty acid 22:4, and reduced levels of six lysophosphatidylcholines. Up-regulated glycolytic enzymes (LDHB and PKM) are involved in autophagy and glycogen metabolism, while down-regulated PON1 and GPLD1 combined with lipidomic data indicate an abnormal phospholipid metabolism. Reduced GPLD1 and dysregulation of lipids with acyl-chains characteristic of GPI-anchor structure suggest the potential involvement of GPI-anchor system in PD. Results of proteomic analysis displayed the involvement of multiple cellular functions affecting inflammatory, immune and antioxidant responses, autophagy, Ca2+ -homeostasis, and cell adhesion. The combined multi-omic approach revealed new biosignatures in PD, providing novel insights in disease pathophysiology with potential future clinical application.
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Affiliation(s)
- Anna Sidorina
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Giulio Catesini
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | | | - Valeria Marzano
- Unit of Human Microbiome, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Lorenza Putignani
- Unit of Human Microbiome, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
- Department of Diagnostic and Laboratory Medicine, Unit of Parasitology, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Sara Boenzi
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Roberta Taurisano
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Matteo Garibaldi
- Department of Neurosciences, Mental Health and Sensory Organs NESMOS, Faculty of Medicine and Psychology, SAPIENZA University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - Federica Deodato
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Carlo Dionisi-Vici
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
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Bragato C, Blasevich F, Ingenito G, Mantegazza R, Maggi L. Therapeutic efficacy of 3,4-Diaminopyridine phosphate on neuromuscular junction in Pompe disease. Biomed Pharmacother 2021; 137:111357. [PMID: 33724918 DOI: 10.1016/j.biopha.2021.111357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/25/2021] [Accepted: 01/31/2021] [Indexed: 10/22/2022] Open
Abstract
3,4-Diaminopyridine (3,4-DAP) and its phosphate form, 3,4-DAPP have been used efficiently in the past years to treat muscular weakness in myasthenic syndromes with neuromuscular junctions (NMJs) impairment. Pompe disease (PD), an autosomal recessive metabolic disorder due to a defect of the lysosomal enzyme α-glucosidase (GAA), presents some secondary symptoms that are related to neuromuscular transmission dysfunction, resulting in endurance and strength failure. In order to evaluate whether 3,4-DAPP could have a beneficial effect on this pathology, we took advantage of a transient zebrafish PD model that we previously generated and characterized. We investigated presynaptic and postsynaptic structures, NMJs at the electron microscopy level, and zebrafish behavior, before and after treatment with 3,4-DAPP. After drug administration, we observed an increase in the number of acetylcholine receptors an increment in the percentage of NMJs with normal structure and amelioration in embryo behavior, with recovery of typical movements that were lost in the embryo PD model. Our results revealed early NMJ impairment in Pompe zebrafish model with improvement after administration of 3,4-DAPP, suggesting its potential use as symptomatic drug in patients with Pompe disease.
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Affiliation(s)
- Cinzia Bragato
- Neuromuscular Diseases and Neuroimmunology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan 20133, Italy.
| | - Flavia Blasevich
- Neuromuscular Diseases and Neuroimmunology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan 20133, Italy
| | | | - Renato Mantegazza
- Neuromuscular Diseases and Neuroimmunology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan 20133, Italy
| | - Lorenzo Maggi
- Neuromuscular Diseases and Neuroimmunology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan 20133, Italy
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Lysosomal storage disorders: Novel and frequent pathogenic variants in a large cohort of Indian patients of Pompe, Fabry, Gaucher and Hurler disease. Clin Biochem 2020; 89:14-37. [PMID: 33301762 DOI: 10.1016/j.clinbiochem.2020.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/04/2020] [Accepted: 12/04/2020] [Indexed: 12/31/2022]
Abstract
OBJECTIVES Diagnosis of lysosomal storage disorders (LSDs) remains challenging due to wide clinical, biochemical and molecular heterogeneity. The study applies a combined biochemical and genetic approach to diagnose symptomatic Indian patients of Pompe, Fabry, Gaucher and Hurler disease to generate a comprehensive dataset of pathogenic variants for these disorders. DESIGN & METHODS Symptomatic patients were biochemically diagnosed by fluorometric methods and molecular confirmation was carried out by gene sequencing. Genetic variants were analyzed according to the ACMG/AMP 2015 variant interpretation guidelines. RESULTS Amongst the 2181 suspected patients, 285 (13%) were biochemically diagnosed. Of these, 22.5% (64/285) diagnosed with Pompe disease harboured c.1933G>A, c.1A>G, c.1927G>A and c.2783G>C as common and 10 novel pathogenic variants while 7.4% (21/285) patients diagnosed with Fabry disease carried c.851T>C, c.902G>A, c.905A>C and c.1212_1234del as frequent disease-causing variants along with 7 novel pathogenic variants. As many as 48.4% (138/285) patients were diagnosed with Gaucher disease and had c.1448T>C as the most common pathogenic variant followed by c.1342G>C and c.754T>C with 7 previously unreported disease-causing variants and in the 21.7% (62/285) diagnosed cases of Hurler disease, c.1469T>C, c.754delC c.568_581del and c.1898C>T were identified as the most common causative variants along with 21 novel pathogenic variants. CONCLUSION This comprehensive data set of disease-causing frequent and novel pathogenic variants reported for the first time in such a large patient cohort for each of these four LSDs from the Indian sub-continent, along with their biochemical and clinical spectrum will contribute towards providing definitive diagnosis and treatment, identifying carrier status, as well as in counselling prenatal cases to reduce the morbidity and mortality associated with these disorders.
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12
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Meena NK, Raben N. Pompe Disease: New Developments in an Old Lysosomal Storage Disorder. Biomolecules 2020; 10:E1339. [PMID: 32962155 PMCID: PMC7564159 DOI: 10.3390/biom10091339] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 12/14/2022] Open
Abstract
Pompe disease, also known as glycogen storage disease type II, is caused by the lack or deficiency of a single enzyme, lysosomal acid alpha-glucosidase, leading to severe cardiac and skeletal muscle myopathy due to progressive accumulation of glycogen. The discovery that acid alpha-glucosidase resides in the lysosome gave rise to the concept of lysosomal storage diseases, and Pompe disease became the first among many monogenic diseases caused by loss of lysosomal enzyme activities. The only disease-specific treatment available for Pompe disease patients is enzyme replacement therapy (ERT) which aims to halt the natural course of the illness. Both the success and limitations of ERT provided novel insights in the pathophysiology of the disease and motivated the scientific community to develop the next generation of therapies that have already progressed to the clinic.
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Affiliation(s)
| | - Nina Raben
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA;
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Angelini C, Marozzo R, Pegoraro V, Sacconi S. Diagnostic challenges in metabolic myopathies. Expert Rev Neurother 2020; 20:1287-1298. [PMID: 32941087 DOI: 10.1080/14737175.2020.1825943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Metabolic myopathies comprise a clinically etiological diverse group of disorders caused by defects in cellular energy metabolism including the breakdown of carbohydrates and fatty acids, which include glycogen storage diseases and fatty acid oxidation disorders. Their wide clinical spectrum ranges from infantile severe multisystemic disorders to adult-onset myopathies. To suspect in adults these disorders, clinical features such as exercise intolerance and recurrent myoglobinuria need investigation while another group presents fixed weakness and cardiomyopathy as a clinical pattern. AREAS COVERED In metabolic myopathies, clinical manifestations are important to guide diagnostic tests used in order to lead to the correct diagnosis. The authors searched in literature the most recent techniques developed. The authors present an overview of the most common phenotypes of Pompe disease and what is currently known about the mechanism of ERT treatment. The most common disorders of lipid metabolism are overviewed, with their possible dietary or supplementary treatments. EXPERT COMMENTARY The clinical suspicion is the clue to conduct in-depth investigations in suspected cases of metabolic myopathies that lead to the final diagnosis with biochemical molecular studies and often nowadays by the use of Next Generation Sequencing (NGS) to determine gene mutations.
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Affiliation(s)
- Corrado Angelini
- Neuromuscular Center, IRCCS San Camillo Hospital , Venice, Italy
| | - Roberta Marozzo
- Neuromuscular Center, IRCCS San Camillo Hospital , Venice, Italy
| | | | - Sabrina Sacconi
- Peripheral Nervous System and Muscle Department, Université Cote d'Azur, CHU , Nice, France
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Taverna S, Cammarata G, Colomba P, Sciarrino S, Zizzo C, Francofonte D, Zora M, Scalia S, Brando C, Curto AL, Marsana EM, Olivieri R, Vitale S, Duro G. Pompe disease: pathogenesis, molecular genetics and diagnosis. Aging (Albany NY) 2020; 12:15856-15874. [PMID: 32745073 PMCID: PMC7467391 DOI: 10.18632/aging.103794] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 07/14/2020] [Indexed: 12/14/2022]
Abstract
Pompe disease (PD) is a rare autosomal recessive disorder caused by mutations in the GAA gene, localized on chromosome 17 and encoding for acid alpha-1,4-glucosidase (GAA). Currently, more than 560 mutations spread throughout GAA gene have been reported. GAA catalyzes the hydrolysis of α-1,4 and α-1,6-glucosidic bonds of glycogen and its deficiency leads to lysosomal storage of glycogen in several tissues, particularly in muscle. PD is a chronic and progressive pathology usually characterized by limb-girdle muscle weakness and respiratory failure. PD is classified as infantile and childhood/adult forms. PD patients exhibit a multisystemic manifestation that depends on age of onset. Early diagnosis is essential to prevent or reduce the irreversible organ damage associated with PD progression. Here, we make an overview of PD focusing on pathogenesis, clinical phenotypes, molecular genetics, diagnosis, therapies, autophagy and the role of miRNAs as potential biomarkers for PD.
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Affiliation(s)
- Simona Taverna
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Giuseppe Cammarata
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Paolo Colomba
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Serafina Sciarrino
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Carmela Zizzo
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Daniele Francofonte
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Marco Zora
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Simone Scalia
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Chiara Brando
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Alessia Lo Curto
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Emanuela Maria Marsana
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Roberta Olivieri
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Silvia Vitale
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
| | - Giovanni Duro
- Institute for Biomedical Research and Innovation (IRIB-CNR), National Research Council of Italy, Palermo, Italy
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Belfiore MP, Iacobellis F, Acampora E, Caiazza M, Rubino M, Monda E, Magaldi MR, Tarallo A, Sasso M, De Pasquale V, Grassi R, Cappabianca S, Calabrò P, Fecarotta S, Esposito S, Esposito G, Pisani A, Pavone LM, Parenti G, Limongelli G. Aortopathies in mouse models of Pompe, Fabry and Mucopolysaccharidosis IIIB lysosomal storage diseases. PLoS One 2020; 15:e0233050. [PMID: 32428018 PMCID: PMC7236983 DOI: 10.1371/journal.pone.0233050] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 04/27/2020] [Indexed: 12/16/2022] Open
Abstract
Introduction Lysosomal storage diseases (LSDs) are rare inherited metabolic diseases characterized by an abnormal accumulation of various toxic materials in the cells as a result of enzyme deficiencies leading to tissue and organ damage. Among clinical manifestations, cardiac diseases are particularly important in Pompe glycogen storage diseases (PD), in glycosphingolipidosis Fabry disease (FD), and mucopolysaccharidoses (MPS). Here, we evaluated the occurrence of aortopathy in knock out (KO) mouse models of three different LSDs, including PD, FD, and MPS IIIB. Methods We measured the aortic diameters in 15 KO male mice, 5 for each LSD: 5 GLA-/- mice for FD, 5 NAGLU-/- mice for MPS IIIB, 5 GAA-/- mice for PD, and 15 wild type (WT) mice: 5 for each strain. In order to compare the aortic parameters between KO and WT mice deriving from the same colonies, different diameters were echocardiographically measured: aortic annulus, aortic sinus, sino-tubular junction, ascending aorta, aortic arch and descending aorta. Storage material content and aortic defects of the KO mice were also analyzed by histology, when available. Results Compared to their correspondent WT mice: GAA-/- mice showed greater diameters of ascending aorta (1.61mm vs. 1.11mm, p-value = 0.01) and descending aorta (1.17mm vs 1.02mm, p-value 0.04); GLA-/- mice showed greater diameters of aortic annulus (1.35mm vs. 1.22mm, p-value = 0.01), sinus of Valsalva (1.6mm vs. 1.38mm, p-value<0.01), ascending aorta (1.57mm vs. 1.34mm, p-value<0.01), aortic arch (1.36mm vs. 1.22mm, p-value = 0.03) and descending aorta (1.29mm vs. 1.11mm, p-value<0.01); NAGLU-/- mice showed greater diameters of sinus of Valsalva (1.46mm vs. 1.31mm, p-value = 0.05), ascending aorta (1.42mm vs. 1.29mm, p-value<0.01), aortic arch (1.34mm vs. 1.28mm, p-value<0.01) and descending aorta (1.18mm vs. 1.1mm, p-value 0.01). Conclusions We evaluated for the first time the aortic diameters in 3 LSD mouse models and identified different aortopathy patterns, in concordance with recent human findings. Our results are relevant in view of using KO mouse models for efficiently testing the efficacy of new therapies on distinct cardiovascular aspects of LSDs.
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Affiliation(s)
| | | | - Emma Acampora
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Martina Caiazza
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Marta Rubino
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Emanuele Monda
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Maria Rosaria Magaldi
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Antonietta Tarallo
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Marcella Sasso
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Valeria De Pasquale
- Department of Molecular Medicine and Medical Biotechnology, Federico II University, Naples, Italy
| | - Roberto Grassi
- Department of Radiology, University of Campania "L. Vanvitelli", Naples, Italy
| | | | - Paolo Calabrò
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Simona Fecarotta
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | | | - Giovanni Esposito
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Antonio Pisani
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Luigi Michele Pavone
- Department of Molecular Medicine and Medical Biotechnology, Federico II University, Naples, Italy
| | - Giancarlo Parenti
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Giuseppe Limongelli
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
- Institute of Cardiovascular Sciences, University College of London and St. Bartholomew's Hospital, London, United Kingdom
- * E-mail:
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Vanherpe P, Fieuws S, D'Hondt A, Bleyenheuft C, Demaerel P, De Bleecker J, Van den Bergh P, Baets J, Remiche G, Verhoeven K, Delstanche S, Toussaint M, Buyse B, Van Damme P, Depuydt CE, Claeys KG. Late-onset Pompe disease (LOPD) in Belgium: clinical characteristics and outcome measures. Orphanet J Rare Dis 2020; 15:83. [PMID: 32248831 PMCID: PMC7133011 DOI: 10.1186/s13023-020-01353-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 03/17/2020] [Indexed: 12/16/2022] Open
Abstract
Background Late-onset Pompe disease (LOPD) is a rare, hereditary, progressive disorder that is usually characterized by limb-girdle muscle weakness and/or respiratory insufficiency. LOPD is caused by mutations in the acid alpha-glucosidase (GAA) gene and treated with enzyme replacement therapy (ERT). Methods We studied the clinical, brain imaging, and genetic features of the Belgian cohort of late-onset Pompe disease patients (N = 52), and explored the sensitivity of different outcome measures, during a longitudinal period of 7 years (2010–2017), including the activity limitations ActivLim score, 6 min walking distance (6MWD), 10 m walk test (10MWT), MRC sum score, and forced vital capacity (FVC) sitting/supine. Results In Belgium, we calculated an LOPD prevalence of 3.9 per million. Mean age at onset of 52 LOPD patients was 28.9 years (SD: 15.8 y), ranging from 7 months to 68 years. Seventy-five percent (N = 39) of the patients initially presented with limb-girdle weakness, whereas in 13% (N = 7) respiratory symptoms were the only initial symptom. Non-invasive ventilation (NIV) was started in 37% (N = 19), at a mean age of 49.5 years (SD: 11.9 y), with a mean duration of 15 years (SD: 10.2 y) after symptom onset. Brain imaging revealed abnormalities in 25% (N = 8) of the patients, with the presence of small cerebral aneurysm(s) in two patients and a vertebrobasilar dolichoectasia in another two. Mean diagnostic delay was 12.9 years. All patients were compound heterozygotes with the most prevalent mutation being c.-32-13 T > G in 96%. We identified two novel mutations in GAA: c.1610_1611delA and c.186dup11. For the 6MWD, MRC sum score, FVC sitting and FVC supine, we measured a significant decrease over time (p = 0.0002, p = 0.0001, p = 0.0077, p = 0.0151), which was not revealed with the ActivLim score and 10MWT (p > 0.05). Conclusions Awareness on LOPD should even be further increased because of the long diagnostic delay. The 6MWD, but not the ActivLim score, is a sensitive outcome measure to follow up LOPD patients.
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Affiliation(s)
- P Vanherpe
- Department of Neurology, Neuromuscular Reference Centre, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - S Fieuws
- KU Leuven - University of Leuven, Interuniversity Institute for Biostatistics and Statistical Bioinformatics, Leuven, Belgium
| | - A D'Hondt
- Department of Neurology, Neuromuscular Reference Centre, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | | | - P Demaerel
- Department of Radiology, University Hospitals Leuven, Leuven, Belgium
| | - J De Bleecker
- Department of Neurology, Neuromuscular Reference Centre, University Hospital Gent, Gent, Belgium
| | - P Van den Bergh
- Department of Neurology, Neuromuscular Reference Centre, University Hospital Saint-Luc, Brussels, Belgium
| | - J Baets
- Department of Neurology, Neuromuscular Reference Centre, University Hospital Antwerpen, Antwerpen, Belgium
| | - G Remiche
- Department of Neurology, Neuromuscular Reference Centre, University Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium
| | - K Verhoeven
- Department of Neurology, AZ Sint-Jan Brugge, Brugge, Belgium
| | - S Delstanche
- Department of Neurology, Neuromuscular Reference Centre of Liège, CHU Liège, Liège, Belgium
| | - M Toussaint
- Department of Rehabilitation, Centre for Home Mechanical Ventilation and Neuromuscular Reference Centre, Rehabilitation Hospital Inkendaal, Brussels, Belgium
| | - B Buyse
- Department of Pulmonology, Leuven University Centre for Sleep and Wake Disorders, University Hospitals Leuven, Leuven, Belgium
| | - P Van Damme
- Department of Neurology, Neuromuscular Reference Centre, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium
| | - C E Depuydt
- Department of Neurosciences - Experimental Neurology, Laboratory for Muscle Diseases and Neuropathies, KU Leuven, Leuven, Belgium
| | - K G Claeys
- Department of Neurology, Neuromuscular Reference Centre, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium. .,Department of Neurosciences - Experimental Neurology, Laboratory for Muscle Diseases and Neuropathies, KU Leuven, Leuven, Belgium.
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