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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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Byrne BJ, Fuller DD, Smith BK, Clement N, Coleman K, Cleaver B, Vaught L, Falk DJ, McCall A, Corti M. Pompe disease gene therapy: neural manifestations require consideration of CNS directed therapy. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:290. [PMID: 31392202 DOI: 10.21037/atm.2019.05.56] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Pompe disease is a neuromuscular disease caused by a deficiency of the lysosomal enzyme acid alpha-glucosidase leading to lysosomal and cytoplasmic glycogen accumulation in neurons and striated muscle. In the decade since availability of first-generation enzyme replacement therapy (ERT) a better understanding of the clinical spectrum of disease has emerged. The most severe form of early onset disease is typically identified with symptoms in the first year of life, known as infantile-onset Pompe disease (IOPD). Infants are described at floppy babies with cardiac hypertrophy in the first few months of life. A milder form with late onset (LOPD) of symptoms is mostly free of cardiac involvement with slower rate of progression. Glycogen accumulation in the CNS and skeletal muscle is observed in both IOPD and LOPD. In both circumstances, multi-system disease (principally motoneuron and myopathy) leads to progressive weakness with associated respiratory and feeding difficulty. In IOPD the untreated natural history leads to cardiorespiratory failure and death in the first year of life. In the current era of ERT clinical outcomes are improved, yet, many patients have an incomplete response and a substantial unmet need remains. Since the neurological manifestations of the disease are not amenable to peripheral enzyme replacement, we set out to better understand the pathophysiology and potential for treatment of disease manifestations using adeno-associated virus (AAV)-mediated gene transfer, with the first clinical gene therapy studies initiated by our group in 2006. This review focuses on the preclinical studies and clinical study findings which are pertinent to the development of a comprehensive gene therapy strategy for both IOPD and LOPD. Given the advent of newborn screening, a significant focus of our recent work has been to establish the basis for repeat administration of AAV vectors to enhance neuromuscular therapeutic efficacy over the life span.
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Affiliation(s)
- Barry J Byrne
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - David D Fuller
- Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Barbara K Smith
- Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Nathalie Clement
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Kirsten Coleman
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Brian Cleaver
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Lauren Vaught
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | | | - Angela McCall
- Department of Pediatrics, Duke University, Durham, NC, USA
| | - Manuela Corti
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
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Musumeci O, Thieme A, Claeys KG, Wenninger S, Kley RA, Kuhn M, Lukacs Z, Deschauer M, Gaeta M, Toscano A, Gläser D, Schoser B. Homozygosity for the common GAA gene splice site mutation c.-32-13T>G in Pompe disease is associated with the classical adult phenotypical spectrum. Neuromuscul Disord 2015; 25:719-24. [DOI: 10.1016/j.nmd.2015.07.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 05/17/2015] [Accepted: 07/03/2015] [Indexed: 10/23/2022]
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Ebrahim HY, Baker RJ, Mehta AB, Hughes DA. Functional analysis of variant lysosomal acid glycosidases of Anderson-Fabry and Pompe disease in a human embryonic kidney epithelial cell line (HEK 293 T). J Inherit Metab Dis 2012; 35:325-34. [PMID: 21972175 DOI: 10.1007/s10545-011-9395-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2011] [Revised: 09/05/2011] [Accepted: 09/08/2011] [Indexed: 11/30/2022]
Abstract
The functional significance of missense mutations in genes encoding acid glycosidases of lysosomal storage disorders (LSDs) is not always clear. Here we describe a method of investigating functional properties of variant enzymes in vitro using a human embryonic kidney epithelial cell line. Site-directed mutagenesis was performed on the parental plasmids containing cDNA encoding for alpha-galactosidase A (α-Gal A) and acid maltase (α-Glu) to prepare plasmids encoding relevant point mutations. Mutant plasmids were transfected into HEK 293 T cells, and transient over-expression of variant enzymes was measured after 3 days. We have illustrated the method by examining enzymatic activities of four unknown α-Gal A and one α-Glu variants identified in our patients with Anderson-Fabry disease and Pompe diseases respectively. Comparison with control variants known to be either pathogenic or non-pathogenic together with over-expression of wild-type enzyme allowed determination of the pathogenicity of the mutation. One leader sequence novel variant of α-Gal A (p.A15T) was shown not to significantly reduce enzyme activity, whereas three other novel α-Gal A variants (p.D93Y, p.L372P and p.T410I) were shown to be pathogenic as they resulted in significant reduction of enzyme activity. A novel α-Glu variant (p.L72R) was shown to be pathogenic as this significantly reduced enzyme activity. Certain acid glycosidase variants that have been described in association with late-onset LSDs and which are known to have variable residual plasma and leukocyte enzyme activity in patients appear to show intermediate to low enzyme activity (p.N215S and p.Q279E α-Gal A respectively) in the over-expression system.
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Affiliation(s)
- Hatim Y Ebrahim
- Department of Haematology, Royal Free Campus, University College London Medical School, Rowland Hill Street, London, NW3 2PF, UK
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Kroos M, Hoogeveen-Westerveld M, van der Ploeg A, Reuser AJ. The genotype-phenotype correlation in Pompe disease. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2012; 160C:59-68. [DOI: 10.1002/ajmg.c.31318] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Byrne BJ, Falk DJ, Pacak CA, Nayak S, Herzog RW, Elder ME, Collins SW, Conlon TJ, Clement N, Cleaver BD, Cloutier DA, Porvasnik SL, Islam S, Elmallah MK, Martin A, Smith BK, Fuller DD, Lawson LA, Mah CS. Pompe disease gene therapy. Hum Mol Genet 2011; 20:R61-8. [PMID: 21518733 DOI: 10.1093/hmg/ddr174] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Pompe disease is an autosomal recessive metabolic myopathy caused by the deficiency of the lysosomal enzyme acid alpha-glucosidase and results in cellular lysosomal and cytoplasmic glycogen accumulation. A wide spectrum of disease exists from hypotonia and severe cardiac hypertrophy in the first few months of life due to severe mutations to a milder form with the onset of symptoms in adulthood. In either condition, the involvement of several systems leads to progressive weakness and disability. In early-onset severe cases, the natural history is characteristically cardiorespiratory failure and death in the first year of life. Since the advent of enzyme replacement therapy (ERT), the clinical outcomes have improved. However, it has become apparent that a new natural history is being defined in which some patients have substantial improvement following ERT, while others develop chronic disability reminiscent of the late-onset disease. In order to improve on the current clinical outcomes in Pompe patients with diminished clinical response to ERT, we sought to address the cause and potential for the treatment of disease manifestations which are not amenable to ERT. In this review, we will focus on the preclinical studies that are relevant to the development of a gene therapy strategy for Pompe disease, and have led to the first clinical trial of recombinant adeno-associated virus-mediated gene-based therapy for Pompe disease. We will cover the preliminary laboratory studies and rationale for a clinical trial, which is based on the treatment of the high rate of respiratory failure in the early-onset patients receiving ERT.
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Affiliation(s)
- Barry J Byrne
- Department of Pediatrics, University of Florida, 1600 SW Archer Road, Gainesville, FL 32610, USA.
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DeSena HC, Brumund MR, Superneau D, Snyder CS. Ventricular Fibrillation in a Patient with Pompe Disease: A Cautionary Tale. CONGENIT HEART DIS 2011; 6:397-401. [DOI: 10.1111/j.1747-0803.2010.00471.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Pompe disease in a Brazilian series: clinical and molecular analyses with identification of nine new mutations. J Neurol 2009; 256:1881-90. [DOI: 10.1007/s00415-009-5219-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2008] [Revised: 04/01/2009] [Accepted: 06/11/2009] [Indexed: 10/20/2022]
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van den Hout HMP, Hop W, van Diggelen OP, Smeitink JAM, Smit GPA, Poll-The BTT, Bakker HD, Loonen MCB, de Klerk JBC, Reuser AJJ, van der Ploeg AT. The natural course of infantile Pompe's disease: 20 original cases compared with 133 cases from the literature. Pediatrics 2003; 112:332-40. [PMID: 12897283 DOI: 10.1542/peds.112.2.332] [Citation(s) in RCA: 354] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Infantile Pompe's disease is a lethal cardiac and muscular disorder. Current developments toward enzyme replacement therapy are promising. The aim of our study is to delineate the natural course of the disease to verify endpoints of clinical studies. METHODS A total of 20 infantile patients diagnosed by the collaborative Dutch centers and 133 cases reported in literature were included in the study. Information on clinical history, physical examination, and diagnostic parameters was collected. RESULTS The course of Pompe's disease is essentially the same in the Dutch and the general patient population. Symptoms start at a median age of 1.6 months in both groups. The median age of death is 7.7 and 6 months, respectively. Five percent of the Dutch patients and 8% of all reported patients survive beyond 1 year of age. Only 2 patients from literature became older than 18 months. A progressive cardiac hypertrophy is characteristic for infantile Pompe's disease. The diastolic thickness of the left ventricular posterior wall and cardiac weight at autopsy increase significantly with age. Motor development is severely delayed and major developmental milestones are generally not achieved. For the Dutch patient group, growth deviates significantly from normal despite start of nasogastric tube feeding. Levels of aspartate aminotransferase, alanine aminotransferase, lactate dehydrogenase, creatine kinase, or creatine kinase-myocardial band isoenzyme are typically elevated, although aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase increase significantly with age. The patients have fully deleterious mutations. Acid alpha-glucosidase activity is severely deficient. CONCLUSIONS Survival, decrease of the diastolic thickness of the left ventricular posterior wall, and achievement of major motor milestones are valid endpoints for therapeutic studies of infantile Pompe's disease. Mutation analysis and measurement of the alpha-glucosidase activity should be part of the enrollment program.
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Affiliation(s)
- Hannerieke M P van den Hout
- Divison of Metabolic Diseases and Genetics, Department of Pediatrics, Erasmus Medical Center/Sophia Children's Hospital, Rotterdam, The Netherlands.
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Fernandez-Hojas R, Huie ML, Navarro C, Dominguez C, Roig M, Lopez-Coronas D, Teijeira S, Anyane-Yeboa K, Hirschhorn R. Identification of six novel mutations in the acid alpha-glucosidase gene in three Spanish patients with infantile onset glycogen storage disease type II (Pompe disease). Neuromuscul Disord 2002; 12:159-66. [PMID: 11738358 DOI: 10.1016/s0960-8966(01)00247-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Glycogen storage disease type II is an autosomal recessive muscle disorder due to deficiency of lysosomal acid alpha-glucosidase and the resulting intralysosomal accumulation of glycogen. We found six novel mutations in three Spanish classic infantile onset glycogen storage disease type II patients with involvement of both cardiac and skeletal muscle; three missense mutations (G219R, E262K, M408V), a nonsense mutation (Y191X), a donor splice site mutation (IVS18 +2gt>ga) and an in frame deletion of an asparagine residue (nt1408-1410). The missense mutations were not found in 100 normal chromosomes and therefore are not normal polymorphic variants. The splice site mutation was subsequently detected in an additional 'Spanish' infantile onset glycogen storage disease type II patient from El Salvador. Further studies will be required to determine if the IVS18 +2gt>ga splice site mutation might in fact be a relatively common Spanish mutation. Mutations among Spanish glycogen storage disease type II patients appear to be genetically heterogeneous and differ from common mutations in neighboring countries.
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Affiliation(s)
- Roberto Fernandez-Hojas
- Division of Medical Genetics, Department of Medicine, New York University School of Medicine, 550 First Avenue, New York, NY 10016, USA
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Wahbeh GT, Moodie DS. An infant with cardiomegaly. Clin Pediatr (Phila) 2001; 40:615-9. [PMID: 11758962 DOI: 10.1177/000992280104001106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- G T Wahbeh
- Division of Pediatrics, Cleveland Clinic Children's Hospital, OH 44195, USA
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Abstract
Pompe disease is a generalized lysosomal glycogenosis affecting essentially the skeletal muscles and the heart. It is due to the deficiency of acid alpha-glucosidase, also called acid maltase, involved in glycogen degradation by the cleavage of alpha-1,4 and alpha-1,6 glycosidic linkages. The severe infantile, milder juvenile, and late-onset or adult forms are associated under the generic name of glycogenoses type II. The clinical picture can differ according to these variants, forming a clinical spectrum from cardiorespiratory failure with early death in the infantile variant to late muscular weakness or respiratory problems in the adult variant. Enzymatic pre- and postnatal diagnoses and mutation characterization are available. Different therapeutic attempts have been conceived and some of them have come to clinical trials. Several pilot studies have demonstrated the feasibility of gene therapy and remarkable advances have been realized. Of particular interest, strategies for gene therapy in a generalized disease like Pompe disease must be accompanied by the secretion and uptake of the corrective enzyme by more distant cells or tissues in order to obtain efficient results. Preliminary positive results have been obtained in animal models, and new approaches with improvements in the access to muscle and heart, in the efficacy and innocuity of vectors, and in the clinical evolution are proposed. Gene therapy is a promising strategy for Pompe disease. However, several steps must be explored before this method becomes clinically successful.
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Affiliation(s)
- L Poenaru
- Laboratoire de Génétique and INSERM U129, CHU Cochin Port-Royal, Université Paris V, 24 rue du Fg St-Jacques, Paris, 75014, France
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Hermans MM, Kroos MA, Smeitink JA, van der Ploeg AT, Kleijer WJ, Reuser AJ. Glycogen Storage Disease type II: genetic and biochemical analysis of novel mutations in infantile patients from Turkish ancestry. Hum Mutat 2000; 11:209-15. [PMID: 9521422 DOI: 10.1002/(sici)1098-1004(1998)11:3<209::aid-humu5>3.0.co;2-c] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glycogen Storage Disease type II (GSDII) is caused by the deficiency of lysosomal alpha-glucosidase (acid maltase). This paper reports on the characterization of the molecular defects in 6 infantile patients from Turkish ancestry. Five of the 6 patients had reduced levels of the lysosomal alpha-glucosidase precursor. Conversion to mature enzyme was impaired in all cases, and the lysosomal alpha-glucosidase activity in all patients fibroblasts was less than 0.5% of control. DNA sequence analysis revealed 3 new mutations. One mutation, found in 3 patients in homozygous form, was a double insertion in exon 19 (2471AG-->CAGG) leading to a frameshift after Pro 913. It is the first insertion mutation described in the lysosomal alpha-glucosidase gene. Two patients were homozygous for missense mutations leading to the substitution of Ser to Pro at amino acid 566 (S566P) in one case and of Pro to Arg at amino acid 768 (P768R) in the other. One patient was found to have a Gly to Arg missense mutation at amino acid 643 (G643R), previously identified in an adult patient (Hermans et al., 1993), combined with a silent second allele. The latter 3 mutations were introduced in the wild type lysosomal alpha-glucosidase cDNA and expressed in COS cells to analyze their effect. Precursor species of 110 kD were formed but the maturation was impaired. As a result there was an overall deficiency of catalytic activity, which is in accordance with the findings in the patients fibroblasts and with the clinical phenotype.
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Affiliation(s)
- M M Hermans
- Department of Clinical Genetics, Erasmus University Rotterdam, The Netherlands.
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Vidal V, Bay JO, Champomier F, Grancho M, Beauville L, Glowaczower C, Lemery D, Ferrara M, Bignon YJ. The 1396del A mutation and a missense mutation or a rare polymorphism of the WRN gene detected in a French Werner family with a severe phenotype and a case of an unusual vulvar cancer. Mutations in brief no. 136. Online. Hum Mutat 2000; 11:413-4. [PMID: 10206685 DOI: 10.1002/(sici)1098-1004(1998)11:5<413::aid-humu16>3.0.co;2-i] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The Werner's syndrome (WS) is a rare recessive disease characterized by an early onset of geriatric disorders. The Werner's syndrome gene (WRN) recently cloned, encodes for an helicase and therefore plays a role in DNA metabolism and DNA repair. Here, we report the study of a French family with two affected members and numerous cancers. Using the protein truncation test and sequencing, we identified a homozygous mutation in the WRN gene. This mutation generates a frame shift leading to a very short 391 amino acids truncated protein without the helicase motif. A particularly severe phenotype of the affected patient was associated with an unusual vulvar cancer traditionaly observed in elderly patients and therefore likely to be related to the Werner's syndrome. An additional substitution of G for A at nucleotidic position 1392 was also described. We suggest that a relation between genotype and phenotype could exist in the studied family.
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Affiliation(s)
- V Vidal
- Laboratoire d'Oncologie moléculaire (INSERM CRI9402), Centre Jean Perrin, BP 392,63011 Clemont-Ferrand, France
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Abstract
There are 11 glycogen diseases (GSD), nine of which are associated with myopathy. Most of these glycogen storage myopathies are associated with dynamic symptoms and signs in that the major neuromuscular complaints are exercise-induced muscle pain, cramps, and myoglobinura (e.g., GSD V or McArdle's disease associated with myophosphorylase deficiency). The other types of glycogen storage myopathies are considered static in that they are associated with fixed weakness rather than dynamic symptoms and signs. The static glycogen storage myopathies include: GSD I or Pompe's disease (acid maltase or (-glucosidase deficiency), GSD II or Cori-Forbes disease (debranching enzyme deficiency), and GSD IV or Andersen's disease (branching enzyme deficiency). This article reviews the clinical, laboratory, electrophysiologic, histopathologic, and pathogenesis of these static GSD myopathies.
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Affiliation(s)
- A A Amato
- Department of Neurology, Brigham and Women's Hospital; and Associate Professor, Department of Neurology, Harvard Medical School, Boston, MA 02115
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Fernández R, Fernández JM, Cervera C, Teijeira S, Teijeiro A, Domínguez C, Navarro C. Adult glycogenosis II with paracrystalline mitochondrial inclusions and Hirano bodies in skeletal muscle. Neuromuscul Disord 1999; 9:136-43. [PMID: 10382906 DOI: 10.1016/s0960-8966(98)00117-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hirano bodies constitute eosinophilic intracytoplasmic inclusions, typically seen in the central nervous system, where they are related to senility and certain dementias such as Alzheimer's disease or the Parkinson-dementia complex. They have been found in different tissues of experimental animals and, on rare occasions, in extraocular muscles of elderly individuals. However, to our knowledge they have not been described in skeletal muscle in locations other than extraocular muscles or associated with muscle pathology. Glycogenosis II or Pompe's disease, is a metabolic disorder caused by acid maltase deficiency and is characterized by glycogen accumulation in lysosomes in various tissues, including skeletal muscle. There are three clinical forms depending on age at onset, the most frequent being the childhood form. We present the histopathological and ultrastructural findings of a muscle biopsy performed in a case of the adult form of glycogenosis II which showed, in addition to characteristic lysosomal glycogen storage, paracrystalline mitochondrial inclusions and, as an exceptional finding, intracytoplasmic Hirano bodies in some muscle fibres.
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Affiliation(s)
- R Fernández
- Department of Pathology and Neuropathology, Hospital do Meixoeiro, Vigo, Spain
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Raben N, Nagaraju K, Lee E, Kessler P, Byrne B, Lee L, LaMarca M, King C, Ward J, Sauer B, Plotz P. Targeted disruption of the acid alpha-glucosidase gene in mice causes an illness with critical features of both infantile and adult human glycogen storage disease type II. J Biol Chem 1998; 273:19086-92. [PMID: 9668092 DOI: 10.1074/jbc.273.30.19086] [Citation(s) in RCA: 221] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We have used gene targeting to create a mouse model of glycogen storage disease type II, a disease in which distinct clinical phenotypes present at different ages. As in the severe human infantile disease (Pompe Syndrome), mice homozygous for disruption of the acid alpha-glucosidase gene (6(neo)/6(neo)) lack enzyme activity and begin to accumulate glycogen in cardiac and skeletal muscle lysosomes by 3 weeks of age, with a progressive increase thereafter. By 3.5 weeks of age, these mice have markedly reduced mobility and strength. They grow normally, however, reach adulthood, remain fertile, and, as in the human adult disease, older mice accumulate glycogen in the diaphragm. By 8-9 months of age animals develop obvious muscle wasting and a weak, waddling gait. This model, therefore, recapitulates critical features of both the infantile and the adult forms of the disease at a pace suitable for the evaluation of enzyme or gene replacement. In contrast, in a second model, mutant mice with deletion of exon 6 (Delta6/Delta6), like the recently published acid alpha-glucosidase knockout with disruption of exon 13 (Bijvoet, A. G., van de Kamp, E. H., Kroos, M., Ding, J. H., Yang, B. Z., Visser, P., Bakker, C. E., Verbeet, M. P., Oostra, B. A., Reuser, A. J. J., and van der Ploeg, A. T. (1998) Hum. Mol. Genet. 7, 53-62), have unimpaired strength and mobility (up to 6.5 months of age) despite indistinguishable biochemical and pathological changes. The genetic background of the mouse strains appears to contribute to the differences among the three models.
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Affiliation(s)
- N Raben
- Arthritis and Rheumatism Branch, NIAMS, National Institutes of Health, Bethesda, Maryland 20892, USA.
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Becker JA, Vlach J, Raben N, Nagaraju K, Adams EM, Hermans MM, Reuser AJ, Brooks SS, Tifft CJ, Hirschhorn R, Huie ML, Nicolino M, Plotz PH. The African origin of the common mutation in African American patients with glycogen-storage disease type II. Am J Hum Genet 1998; 62:991-4. [PMID: 9529346 PMCID: PMC1377028 DOI: 10.1086/301788] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Kiehl P, Metze D, Kresse H, Reimann S, Kraft D, Kapp A. Decreased activity of acid alpha-glucosidase in a patient with persistent periocular swelling after infusions of hydroxyethyl starch. Br J Dermatol 1998; 138:672-7. [PMID: 9640378 DOI: 10.1046/j.1365-2133.1998.02184.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
After infusion therapy with hydroxyethyl starch (HES) on account of sudden hearing loss, a 68-year-old woman developed a marked and persistent periocular swelling. This extraordinary adverse effect caused us to search for an explanation by means of histopathology, immunohistochemistry, immunoelectron microscopy and biochemistry. In lesional periocular skin and in normal-appearing skin, lysosomal storage of HES could be detected with a specific HES antibody in histiocytes, endothelial cells, basal keratinocytes and small nerves. In the periocular skin, a stronger deposition of HES was found in addition to distinct xanthomatous changes as well as features of lymphoedema. In view of lysosomal HES storage we measured the pH-dependent activity of the lysosomal alpha-glucosidase (GAA) in cultured fibroblasts. We found a 50% decreased activity of the acid GAA, which is consistent with a heterozygous state of glycogenosis type II (Pompe's disease) and potentially of pathogenetic relevance for the intralysosomal accumulation of HES. Xanthomatous changes and lymphoedema are likely to be secondary effects, but contribute considerably to the clinical manifestation of persistent visible swelling. This observation could point to a role for GAA in the elimination of tissue-stored HES. Patients with decreased activities of GAA may be at risk of unusual adverse effects following extraordinary and prolonged tissue storage of HES, especially if it is infused in large quantities.
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Affiliation(s)
- P Kiehl
- Department of Dermatology, Hannover Medical School, Germany.
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Bijvoet AG, van de Kamp EH, Kroos MA, Ding JH, Yang BZ, Visser P, Bakker CE, Verbeet MP, Oostra BA, Reuser AJ, van der Ploeg AT. Generalized glycogen storage and cardiomegaly in a knockout mouse model of Pompe disease. Hum Mol Genet 1998; 7:53-62. [PMID: 9384603 DOI: 10.1093/hmg/7.1.53] [Citation(s) in RCA: 103] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Glycogen storage disease type II (GSDII; Pompe disease), caused by inherited deficiency of acid alpha-glucosidase, is a lysosomal disorder affecting heart and skeletal muscles. A mouse model of this disease was obtained by targeted disruption of the murine acid alpha-glucosidase gene (Gaa) in embryonic stem cells. Homozygous knockout mice (Gaa -/-) lack Gaa mRNA and have a virtually complete acid alpha-glucosidase deficiency. Glycogen-containing lysosomes are detected soon after birth in liver, heart and skeletal muscle cells. By 13 weeks of age, large focal deposits of glycogen have formed. Vacuolar spaces stain positive for acid phosphatase as a sign of lysosomal pathology. Both male and female knockout mice are fertile and can be intercrossed to produce progeny. The first born knockout mice are at present 9 months old. Overt clinical symptoms are still absent, but the heart is typically enlarged and the electrocardiogram is abnormal. The mouse model will help greatly to understand the pathogenic mechanism of GSDII and is a valuable instrument to explore the efficacy of different therapeutic interventions.
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Affiliation(s)
- A G Bijvoet
- Department of Clinical Genetics, Erasmus University, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands
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21
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Kunita R, Nakabayashi O, Wu JY, Hagiwara Y, Mizutani M, Pennybacker M, Chen YT, Kikuchi T. Molecular cloning of acid alpha-glucosidase cDNA of Japanese quail (Coturnix coturnix japonica) and the lack of its mRNA in acid maltase deficient quails. BIOCHIMICA ET BIOPHYSICA ACTA 1997; 1362:269-78. [PMID: 9540858 DOI: 10.1016/s0925-4439(97)00092-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Acid alpha-glucosidase (GAA) hydrolyzes alpha-1, 4 and alpha-1, 6 glucosidic linkages of oligosaccharides and degrades glycogen in the lysosomes. The full-length GAA I cDNA, pQAM8, was isolated from a cDNA library derived from Japanese quail liver. The cDNA is 3569 base pairs long and has an open reading frame capable of coding 932 amino acids. The deduced amino acid sequence shares 52% identity with human GAA. Transfection of expression vector pETAM8 into COS-7 cells or acid maltase deficient (AMD) quail embryonic fibroblasts increased the level of GAA 20-50-fold. Compared to normal quail, the levels of GAA I mRNA were significantly reduced in the muscle, liver, heart, and brain of AMD quails, suggesting the GAA deficiency in AMD quail is due to a lack of GAA I mRNA. A second GAA II cDNA was identified after probing the cDNA library from the ovarian large follicles of quails with a PCR product derived from cultured quail skin fibroblasts. This clone having 3.1 kb insert, has GAA activity as well (3 to 10 fold increase). This cDNA, designated GAA II, predicted an 873 amino acid polypeptide showing 63% identity to human GAA and 51% identity to the GAA I. The RT-PCR analysis demonstrated that GAA II mRNAs were barely detectable in normal tissues, while they were enhanced to higher levels in AMD tissues. These results suggest that GAA II expression is up-regulated at the transcription levels, and quail GAA gene redundancy performs the same function of satisfying GAA demand at the two different phases represented by normal and AMD.
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Affiliation(s)
- R Kunita
- Department of Animal Models for Human Disease, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
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Nicolino M, Puech JP, Letourneur F, Fardeau M, Kahn A, Poenaru L. Glycogen-storage disease type II (acid maltase deficiency): identification of a novel small deletion (delCC482+483) in French patients. Biochem Biophys Res Commun 1997; 235:138-41. [PMID: 9196050 DOI: 10.1006/bbrc.1997.6749] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Glycogen-storage disease type II (GSD II, acid maltase deficiency, Pompe's disease) is caused by defects in the lysosomal acid alpha-glucosidase (GAA) gene. Clinically, patients with the severe infantile form of GSD II have muscle weakness and cardiomyopathy eventually leading to death before the age of two years. Patients with the juvenile or the adult form of GSD II present with myopathy with a slow progression over several years or decades. Apart from a common base substitution in intron1, designated IVS1(-13T-->G) and resulting in the aberrant splicing of exon 2, the other mutations recently discovered in the GAA gene are rare and often unique to single patients. In this paper, we identified a two-base frameshift deletion in three unrelated adult-onset GSD II patients. This small deletion lies in the first coding exon (exon 2) and results in a premature stop codon at the very 5' end of the coding sequence of the GAA gene. The three patients were compound heterozygotes and two of them had the common IVS1(-13G-->T) mutation on the second allele. We speculate that this novel deletion may be relatively frequent among French patients, possibly leading to the severe infantile phenotype of GSD II if it occurs in homozygous form.
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Affiliation(s)
- M Nicolino
- Laboratoire de Génétique, Université René Descartes (Paris V), CHU Cochin-Port Royal, France
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Ausems MG, Kroos MA, Van der Kraan M, Smeitink JA, Kleijer WJ, Ploos van Amstel HK, Reuser AJ. Homozygous deletion of exon 18 leads to degradation of the lysosomal alpha-glucosidase precursor and to the infantile form of glycogen storage disease type II. Clin Genet 1996; 49:325-8. [PMID: 8884087 DOI: 10.1111/j.1399-0004.1996.tb03801.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We describe two unrelated Dutch patients with typical symptoms of infantile glycogen storage disease type II (GSD II) and virtual absence of acid alpha-glucosidase activity in leukocytes and cultured skin fibroblasts. The patients were identified as homozygotes for a deletion of exon 18 of the acid alpha-glucosidase gene (GAA). The in-frame deletion manifests at the protein level in a characteristic way: the enzyme precursor is smaller than normal and degraded in the endoplasmic reticulum or Golgi complex. These case present an evident example of a genotype-phenotype correlation in glycogen storage disease type II.
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Affiliation(s)
- M G Ausems
- Clinical Genetics Centre Utrecht, The Netherlands
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