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Rossi A, Simeoli C, Pivonello R, Salerno M, Rosano C, Brunetti B, Strisciuglio P, Colao A, Parenti G, Melis D, Derks TGJ. Endocrine involvement in hepatic glycogen storage diseases: pathophysiology and implications for care. Rev Endocr Metab Disord 2024; 25:707-725. [PMID: 38556561 PMCID: PMC11294274 DOI: 10.1007/s11154-024-09880-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
Hepatic glycogen storage diseases constitute a group of disorders due to defects in the enzymes and transporters involved in glycogen breakdown and synthesis in the liver. Although hypoglycemia and hepatomegaly are the primary manifestations of (most of) hepatic GSDs, involvement of the endocrine system has been reported at multiple levels in individuals with hepatic GSDs. While some endocrine abnormalities (e.g., hypothalamic‑pituitary axis dysfunction in GSD I) can be direct consequence of the genetic defect itself, others (e.g., osteopenia in GSD Ib, insulin-resistance in GSD I and GSD III) may be triggered by the (dietary/medical) treatment. Being aware of the endocrine abnormalities occurring in hepatic GSDs is essential (1) to provide optimized medical care to this group of individuals and (2) to drive research aiming at understanding the disease pathophysiology. In this review, a thorough description of the endocrine manifestations in individuals with hepatic GSDs is presented, including pathophysiological and clinical implications.
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Affiliation(s)
- Alessandro Rossi
- Section of Metabolic Diseases, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy.
| | - Chiara Simeoli
- Dipartmento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Diabetologia ed Andrologia, University of Naples "Federico II", Naples, Italy
| | - Rosario Pivonello
- Dipartmento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Diabetologia ed Andrologia, University of Naples "Federico II", Naples, Italy
| | - Mariacarolina Salerno
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Carmen Rosano
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Barbara Brunetti
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Section of Pediatrics, University of Salerno, Baronissi, Italy
| | - Pietro Strisciuglio
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Annamaria Colao
- Dipartmento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Diabetologia ed Andrologia, University of Naples "Federico II", Naples, Italy
| | - Giancarlo Parenti
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy
| | - Daniela Melis
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Section of Pediatrics, University of Salerno, Baronissi, Italy
| | - Terry G J Derks
- Section of Metabolic Diseases, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Zeng Q, Machado M, Bie C, van Zijl PCM, Malvar S, Li Y, D’souza V, Poon KA, Grimm A, Yadav NN. In vivo characterization of glycogen storage disease type III in a mouse model using glycoNOE MRI. Magn Reson Med 2024; 91:1115-1121. [PMID: 38009988 PMCID: PMC10842402 DOI: 10.1002/mrm.29923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 11/29/2023]
Abstract
PURPOSE Glycogen storage disease type III (GSD III) is a rare inherited metabolic disease characterized by excessive accumulation of glycogen in liver, skeletal muscle, and heart. Currently, there are no widely available noninvasive methods to assess tissue glycogen levels and disease load. Here, we use glycogen nuclear Overhauser effect (glycoNOE) MRI to quantify hepatic glycogen levels in a mouse model of GSD III. METHODS Agl knockout mice (n = 13) and wild-type controls (n = 10) were scanned for liver glycogen content using glycoNOE MRI. All mice were fasted for 12 to 16 h before MRI scans. GlycoNOE signal was quantified by fitting the Z-spectrum using a four-pool Voigt lineshape model. Next, the fitted direct water saturation pool was removed and glycoNOE signal was estimated from the integral of the residual Z spectrum within -0.6 to -1.4 ppm. Glycogen concentration was also measured ex vivo using a biochemical assay. RESULTS GlycoNOE MRI clearly distinguished Agl knockout mice from wild-type controls, showing a statistically significant difference in glycoNOE signals in the livers across genotypes. There was a linear correlation between glycoNOE signal and glycogen concentration determined by the biochemical assay. The obtained glycoNOE maps of mouse livers also showed higher glycogen levels in Agl knockout mice compared to wild-type mice. CONCLUSION GlycoNOE MRI was used successfully as a noninvasive method to detect liver glycogen levels in mice, suggesting the potential of this method to be applied to assess glycogen storage diseases.
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Affiliation(s)
- Qing Zeng
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
| | | | - Chongxue Bie
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
| | - Peter C. M. van Zijl
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
| | - Sofi Malvar
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States
| | - Yuguo Li
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
| | - Valentina D’souza
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
| | | | - Andrew Grimm
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States
| | - Nirbhay N. Yadav
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States
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3
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Gardin A, Rouillon J, Montalvo-Romeral V, Rossiaud L, Vidal P, Launay R, Vie M, Krimi Benchekroun Y, Cosette J, Bertin B, La Bella T, Dubreuil G, Nozi J, Jauze L, Fragnoud R, Daniele N, Van Wittenberghe L, Esque J, André I, Nissan X, Hoch L, Ronzitti G. A functional mini-GDE transgene corrects impairment in models of glycogen storage disease type III. J Clin Invest 2024; 134:e172018. [PMID: 38015640 PMCID: PMC10786702 DOI: 10.1172/jci172018] [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: 05/04/2023] [Accepted: 11/08/2023] [Indexed: 11/30/2023] Open
Abstract
Glycogen storage disease type III (GSDIII) is a rare inborn error of metabolism affecting liver, skeletal muscle, and heart due to mutations of the AGL gene encoding for the glycogen debranching enzyme (GDE). No curative treatment exists for GSDIII. The 4.6 kb GDE cDNA represents the major technical challenge toward the development of a single recombinant adeno-associated virus-derived (rAAV-derived) vector gene therapy strategy. Using information on GDE structure and molecular modeling, we generated multiple truncated GDEs. Among them, an N-terminal-truncated mutant, ΔNter2-GDE, had a similar efficacy in vivo compared with the full-size enzyme. A rAAV vector expressing ΔNter2-GDE allowed significant glycogen reduction in heart and muscle of Agl-/- mice 3 months after i.v. injection, as well as normalization of histology features and restoration of muscle strength. Similarly, glycogen accumulation and histological features were corrected in a recently generated Agl-/- rat model. Finally, transduction with rAAV vectors encoding ΔNter2-GDE corrected glycogen accumulation in an in vitro human skeletal muscle cellular model of GSDIII. In conclusion, our results demonstrated the ability of a single rAAV vector expressing a functional mini-GDE transgene to correct the muscle and heart phenotype in multiple models of GSDIII, supporting its clinical translation to patients with GSDIII.
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Affiliation(s)
- Antoine Gardin
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Jérémy Rouillon
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Valle Montalvo-Romeral
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Lucille Rossiaud
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
- CECS, I-STEM, Institute for Stem Cell Therapy and Exploration of Monogenic Diseases, Corbeil-Essonnes, France
| | - Patrice Vidal
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Romain Launay
- Toulouse Biotechnology Institute, TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - Mallaury Vie
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Youssef Krimi Benchekroun
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | | | - Bérangère Bertin
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Tiziana La Bella
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | | | - Justine Nozi
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | - Louisa Jauze
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
| | | | | | | | - Jérémy Esque
- Toulouse Biotechnology Institute, TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - Isabelle André
- Toulouse Biotechnology Institute, TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - Xavier Nissan
- CECS, I-STEM, Institute for Stem Cell Therapy and Exploration of Monogenic Diseases, Corbeil-Essonnes, France
| | - Lucile Hoch
- CECS, I-STEM, Institute for Stem Cell Therapy and Exploration of Monogenic Diseases, Corbeil-Essonnes, France
| | - Giuseppe Ronzitti
- Genethon, Evry, France
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare research unit UMR_S951, Evry, France
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Koeberl DD, Koch RL, Lim JA, Brooks ED, Arnson BD, Sun B, Kishnani PS. Gene therapy for glycogen storage diseases. J Inherit Metab Dis 2024; 47:93-118. [PMID: 37421310 PMCID: PMC10874648 DOI: 10.1002/jimd.12654] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/24/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
Glycogen storage disorders (GSDs) are inherited disorders of metabolism resulting from the deficiency of individual enzymes involved in the synthesis, transport, and degradation of glycogen. This literature review summarizes the development of gene therapy for the GSDs. The abnormal accumulation of glycogen and deficiency of glucose production in GSDs lead to unique symptoms based upon the enzyme step and tissues involved, such as liver and kidney involvement associated with severe hypoglycemia during fasting and the risk of long-term complications including hepatic adenoma/carcinoma and end stage kidney disease in GSD Ia from glucose-6-phosphatase deficiency, and cardiac/skeletal/smooth muscle involvement associated with myopathy +/- cardiomyopathy and the risk for cardiorespiratory failure in Pompe disease. These symptoms are present to a variable degree in animal models for the GSDs, which have been utilized to evaluate new therapies including gene therapy and genome editing. Gene therapy for Pompe disease and GSD Ia has progressed to Phase I and Phase III clinical trials, respectively, and are evaluating the safety and bioactivity of adeno-associated virus vectors. Clinical research to understand the natural history and progression of the GSDs provides invaluable outcome measures that serve as endpoints to evaluate benefits in clinical trials. While promising, gene therapy and genome editing face challenges with regard to clinical implementation, including immune responses and toxicities that have been revealed during clinical trials of gene therapy that are underway. Gene therapy for the glycogen storage diseases is under development, addressing an unmet need for specific, stable therapy for these conditions.
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Affiliation(s)
- Dwight D. Koeberl
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC, United States
| | - Rebecca L. Koch
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
| | - Jeong-A Lim
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
| | - Elizabeth D. Brooks
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
| | - Benjamin D. Arnson
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC, United States
| | - Baodong Sun
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
| | - Priya S. Kishnani
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical School, Durham, NC, United States
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC, United States
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Wicker C, Cano A, Decostre V, Froissart R, Maillot F, Perry A, Petit F, Voillot C, Wahbi K, Wenz J, Laforêt P, Labrune P. French recommendations for the management of glycogen storage disease type III. Eur J Med Res 2023; 28:253. [PMID: 37488624 PMCID: PMC10364360 DOI: 10.1186/s40001-023-01212-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 07/05/2023] [Indexed: 07/26/2023] Open
Abstract
The aim of the Protocole National De Diagnostic et de Soins/French National Protocol for Diagnosis and Healthcare (PNDS) is to provide advice for health professionals on the optimum care provision and pathway for patients with glycogen storage disease type III (GSD III).The protocol aims at providing tools that make the diagnosis, defining the severity and different damages of the disease by detailing tests and explorations required for monitoring and diagnosis, better understanding the different aspects of the treatment, defining the modalities and organisation of the monitoring. This is a practical tool, to which health care professionals can refer. PNDS cannot, however, predict all specific cases, comorbidities, therapeutic particularities or hospital care protocols, and does not seek to serve as a substitute for the individual responsibility of the physician in front of his/her patient.
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Affiliation(s)
- Camille Wicker
- Maladies métaboliques et hépatiques pédiatriques, CHRU Hautepierre, 1 Avenue Molière, 67200, Strasbourg, France
| | - Aline Cano
- Centre de Référence des Maladies Héréditaires du Métabolisme- CHU La Timone Enfants, 264 rue Saint-Pierre, 13385, Marseille cedex 5, France
| | - Valérie Decostre
- Institut de myologie, Groupe Hospitalier Pitié-Salpêtrière, APHP. Université Paris Sorbonne, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France
| | - Roseline Froissart
- Centre de Biologie et pathologie Est, maladies héréditaires du métabolisme, HFME, 59, Boulevard Pinel, 69677, Bron Cedex, France
| | - François Maillot
- Médecine Interne, Centre Référence Maladies Métaboliques, hôpital Bretonneau, 2 boulevard Tonnelé, 37044, Tours cedex 9, France
| | - Ariane Perry
- Pédiatrie, Centre de Référence Maladies Héréditaires du Métabolisme Hépatique, Hôpital Antoine Béclère, APHP Université Paris-Saclay, 92141, Clamart Cedex, France
| | - François Petit
- Laboratoire de génétique, Hôpital Antoine Béclère, APHP. Université Paris-Saclay, 92141, Clamart Cedex, France
| | - Catherine Voillot
- Pédiatrie, Centre de Référence Maladies Héréditaires du Métabolisme Hépatique, Hôpital Antoine Béclère, APHP Université Paris-Saclay, 92141, Clamart Cedex, France
| | - Karim Wahbi
- Service de cardiologie - Hôpital Cochin, APHP. Université Paris Centre, 27 rue du Faubourg Saint-Jacques, 75014, Paris, France
| | - Joëlle Wenz
- Service d'hépatologie et transplantation hépatique pédiatriques, hôpital Bicêtre, APHP. Université Paris-Saclay, 94276, Le Kremlin Bicêtre Cedex, France
| | - Pascal Laforêt
- Neurologie, Centre de Référence Maladies Neuromusculaires Nord/Est/Ile de France Hôpital Raymond Poincaré, AP-HP, Université Paris Saclay, 104 Boulevard Raymond Poincaré, 92380, Garches, France
| | - Philippe Labrune
- Pédiatrie, Centre de Référence Maladies Héréditaires du Métabolisme Hépatique, Hôpital Antoine Béclère, APHP Université Paris-Saclay, 92141, Clamart Cedex, France.
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Massimino E, Amoroso AP, Lupoli R, Rossi A, Capaldo B. Nutritional management of glycogen storage disease type III: a case report and a critical appraisal of the literature. Front Nutr 2023; 10:1178348. [PMID: 37252245 PMCID: PMC10213733 DOI: 10.3389/fnut.2023.1178348] [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: 03/02/2023] [Accepted: 04/13/2023] [Indexed: 05/31/2023] Open
Abstract
Glycogen storage disease Type III (GSD III) is an autosomal recessive disease due to the deficiency of the debranching enzyme, which has two main consequences: a reduced availability of glucose due to the incomplete degradation of glycogen, and the accumulation of abnormal glycogen in liver and cardiac/skeletal muscle. The role of dietary lipid manipulations in the nutritional management of GSD III is still debated. A literature overview shows that low-carbohydrate (CHO) / high-fat diets may be beneficial in reducing muscle damage. We present a 24-year GSD IIIa patient with severe myopathy and cardiomyopathy in whom a gradual shift from a high-CHO diet (61% total energy intake), low-fat (18%), high-protein (21%) to a low-CHO (32 %) high-fat (45%) / high-protein (23%) diet was performed. CHO was mainly represented by high-fiber, low glycemic index food, and fat consisted prevalently of mono and polyunsaturated fatty acids. After a 2-year follow-up, all biomarkers of muscle and heart damage markedly decreased (by 50-75%), glucose levels remained within the normal range and lipid profile was unchanged. At echocardiography, there was an improvement in geometry and left ventricular function. A low -CHO, high-fat, high-protein diet seems to be safe, sustainable and effective in reducing muscle damage without worsening cardiometabolic profile in GSDIIIa. This dietary approach could be started as early as possible in GSD III displaying skeletal/cardiac muscle disease in order to prevent/minimize organ damage.
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Affiliation(s)
- Elena Massimino
- Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
| | - Anna Paola Amoroso
- Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
| | - Roberta Lupoli
- Department of Molecular Medicine and Medical Biotechnology, University Federico II, Naples, Italy
| | - Alessandro Rossi
- Department of Translational Medicine, Section of Pediatrics, University Federico II, Naples, Italy
| | - Brunella Capaldo
- Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
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Conte F, Sam JE, Lefeber DJ, Passier R. Metabolic Cardiomyopathies and Cardiac Defects in Inherited Disorders of Carbohydrate Metabolism: A Systematic Review. Int J Mol Sci 2023; 24:ijms24108632. [PMID: 37239976 DOI: 10.3390/ijms24108632] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/25/2023] [Accepted: 05/02/2023] [Indexed: 05/28/2023] Open
Abstract
Heart failure (HF) is a progressive chronic disease that remains a primary cause of death worldwide, affecting over 64 million patients. HF can be caused by cardiomyopathies and congenital cardiac defects with monogenic etiology. The number of genes and monogenic disorders linked to development of cardiac defects is constantly growing and includes inherited metabolic disorders (IMDs). Several IMDs affecting various metabolic pathways have been reported presenting cardiomyopathies and cardiac defects. Considering the pivotal role of sugar metabolism in cardiac tissue, including energy production, nucleic acid synthesis and glycosylation, it is not surprising that an increasing number of IMDs linked to carbohydrate metabolism are described with cardiac manifestations. In this systematic review, we offer a comprehensive overview of IMDs linked to carbohydrate metabolism presenting that present with cardiomyopathies, arrhythmogenic disorders and/or structural cardiac defects. We identified 58 IMDs presenting with cardiac complications: 3 defects of sugar/sugar-linked transporters (GLUT3, GLUT10, THTR1); 2 disorders of the pentose phosphate pathway (G6PDH, TALDO); 9 diseases of glycogen metabolism (GAA, GBE1, GDE, GYG1, GYS1, LAMP2, RBCK1, PRKAG2, G6PT1); 29 congenital disorders of glycosylation (ALG3, ALG6, ALG9, ALG12, ATP6V1A, ATP6V1E1, B3GALTL, B3GAT3, COG1, COG7, DOLK, DPM3, FKRP, FKTN, GMPPB, MPDU1, NPL, PGM1, PIGA, PIGL, PIGN, PIGO, PIGT, PIGV, PMM2, POMT1, POMT2, SRD5A3, XYLT2); 15 carbohydrate-linked lysosomal storage diseases (CTSA, GBA1, GLA, GLB1, HEXB, IDUA, IDS, SGSH, NAGLU, HGSNAT, GNS, GALNS, ARSB, GUSB, ARSK). With this systematic review we aim to raise awareness about the cardiac presentations in carbohydrate-linked IMDs and draw attention to carbohydrate-linked pathogenic mechanisms that may underlie cardiac complications.
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Affiliation(s)
- Federica Conte
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
- Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, 7522 NH Enschede, The Netherlands
| | - Juda-El Sam
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Dirk J Lefeber
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Robert Passier
- Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, 7522 NH Enschede, The Netherlands
- Department of Anatomy and Embryology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
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Beyond Sarcomeric Hypertrophic Cardiomyopathy: How to Diagnose and Manage Phenocopies. Curr Cardiol Rep 2022; 24:1567-1585. [PMID: 36053410 DOI: 10.1007/s11886-022-01778-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/20/2022] [Indexed: 01/11/2023]
Abstract
PURPOSE OF REVIEW We describe the most common phenocopies of hypertrophic cardiomyopathy, their pathogenesis, and clinical presentation highlighting similarities and differences. We also suggest a step-by-step diagnostic work-up that can guide in differential diagnosis and management. RECENT FINDINGS In the last years, a wider application of genetic testing and the advances in cardiac imaging have significantly changed the diagnostic approach to HCM phenocopies. Different prognosis and management, with an increasing availability of disease-specific therapies, make differential diagnosis mandatory. The HCM phenotype can be the cardiac manifestation of different inherited and acquired disorders presenting different etiology, prognosis, and treatment. Differential diagnosis requires a cardiomyopathic mindset allowing to recognize red flags throughout the diagnostic work-up starting from clinical and family history and ending with advanced imaging and genetic testing. Different prognosis and management, with an increasing availability of disease-specific therapies make differential diagnosis mandatory.
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