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Ren J, Ma Y, Ma M, Ding J, Jiang J, Zheng X, Han X. Development of a rapid simultaneous assay of two urinary tetrasaccharide metabolites using differential ion mobility and tandem mass spectrometry and its application to patients with glycogen storage disease (type Ib and II). Anal Bioanal Chem 2023; 415:6863-6871. [PMID: 37770665 DOI: 10.1007/s00216-023-04964-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/27/2023] [Accepted: 09/18/2023] [Indexed: 09/30/2023]
Abstract
Glucose tetrasaccharide (Glc4) and maltotetraose (M4) are important biomarkers for Pompe disease and other glycogen storage diseases (GSDs). With the development of new treatments for GSDs, more specific and sensitive bioanalytical methods are needed to determine biomarkers. In recent years, differential mobility spectrometry (DMS) has become an effective analytical technique with high selectivity and specificity. This study aimed to develop an efficient analytical method for the two urinary tetrasaccharide metabolites using DMS and apply it to patients with GSDs (type Ib and II). Urine samples were directly diluted and injected into liquid chromatography-differential mobility spectrometry tandem mass spectrometry (LC-DMS-MS/MS). Chromatographic separation was performed on an Acquity™ UPLC BEH Amide column (2.1 × 50 mm, 1.7 μm) with a short gradient elution of 2.6 min. DMS-MS/MS was used to detect two urinary tetrasaccharide metabolites in a negative multiple reaction monitoring mode with isopropanol as a modifier. A total of 20 urine samples from 6 healthy volunteers and 10 patients with GSDs (type Ib and II) were collected for analysis. The method was linear over a concentration range of 0.5~100.0 µg/mL for each urinary tetrasaccharide (r≥0.99). The intra- and inter-day precision RSD% were less than 14.3%, and the accuracy RE% were in the range of -14.3~13.4%. The relative matrix effect was between 86.6 and 114.3%. No carryover or interference was observed. Patients with GSDs (type Ib and II) had significantly higher median urinary Glc4 (P=0.001) and M4 (P=0.012) excretion than healthy subjects. The developed method was simple, rapid, sensitive, and specific. It was successfully applied to healthy volunteers and patients with GSDs (type Ib and II). DMS technology greatly improved analysis efficiency and provided high sensitivity and specificity.
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Affiliation(s)
- Jianwei Ren
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yufang Ma
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Mingsheng Ma
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Juan Ding
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Jingjing Jiang
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Xin Zheng
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Xiaohong Han
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
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Hannah WB, Derks TGJ, Drumm ML, Grünert SC, Kishnani PS, Vissing J. Glycogen storage diseases. Nat Rev Dis Primers 2023; 9:46. [PMID: 37679331 DOI: 10.1038/s41572-023-00456-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/31/2023] [Indexed: 09/09/2023]
Abstract
Glycogen storage diseases (GSDs) are a group of rare, monogenic disorders that share a defect in the synthesis or breakdown of glycogen. This Primer describes the multi-organ clinical features of hepatic GSDs and muscle GSDs, in addition to their epidemiology, biochemistry and mechanisms of disease, diagnosis, management, quality of life and future research directions. Some GSDs have available guidelines for diagnosis and management. Diagnostic considerations include phenotypic characterization, biomarkers, imaging, genetic testing, enzyme activity analysis and histology. Management includes surveillance for development of characteristic disease sequelae, avoidance of fasting in several hepatic GSDs, medically prescribed diets, appropriate exercise regimens and emergency letters. Specific therapeutic interventions are available for some diseases, such as enzyme replacement therapy to correct enzyme deficiency in Pompe disease and SGLT2 inhibitors for neutropenia and neutrophil dysfunction in GSD Ib. Progress in diagnosis, management and definitive therapies affects the natural course and hence morbidity and mortality. The natural history of GSDs is still being described. The quality of life of patients with these conditions varies, and standard sets of patient-centred outcomes have not yet been developed. The landscape of novel therapeutics and GSD clinical trials is vast, and emerging research is discussed herein.
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Affiliation(s)
- William B Hannah
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH, USA.
| | - Terry G J Derks
- Division of Metabolic Diseases, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mitchell L Drumm
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Sarah C Grünert
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Centre-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Priya S Kishnani
- Division of Medical Genetics, Department of Paediatrics, Duke University Medical Center, Durham, NC, USA
| | - John Vissing
- Copenhagen Neuromuscular Center, Copenhagen University Hospital, Copenhagen, Denmark
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Ren J, Ma Y, Ma M, Ding J, Jiang J, Zheng X, Han X. Rapid ultra-performance liquid chromatography-tandem mass spectrometry method for the simultaneous determination of three characteristic urinary saccharide metabolites in patients with glycogen storage diseases (type Ⅰb and Ⅱ). J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1229:123900. [PMID: 37801791 DOI: 10.1016/j.jchromb.2023.123900] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/07/2023] [Accepted: 09/30/2023] [Indexed: 10/08/2023]
Abstract
Urinary 1,5-anhydroglucitol (1, 5-AG), 6-α-D-glucopyranosyl-maltotriose (Glc4) and maltotetraose (M4) are important biomarkers for glycogen storage disease (types Ib and Ⅱ). This study aimed to develop and validate an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to detect these three urinary saccharide metabolites. Urine samples were diluted and then analyzed. Chromatographic separation was performed on an Acquity™ UPLC Amide column (2.1 × 100 mm, 1.7 μm) with gradient elution. The quantitation of analytes was achieved on a 5500 Qtrap mass spectrometer using negative multiple reaction monitoring (MRM) mode. The calibration curves for all analytes were linear over the range of 0.500 to 100 μg/mL with a correlation coefficient, R2 ≥ 0.999. The percent relative standard deviations (RSD%) were ≤12.8%, and the percent relative errors (RE%) were in the range of -11.7%-11.0%. The relative matrix effects of all analytes were between 87.2% and 104% with RSD% < 3.10% across three concentrations. The developed analytical method was simple, accurate, and reliable for rapid and simultaneous analysis of these three urinary saccharide metabolites. It was applied to healthy volunteers and patients. To our knowledge, it was the first validated assay for urinary maltotetraose quantification. This work provides support for exploring the potential of maltotetraose as a biomarker for Pompe disease.
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Affiliation(s)
- Jianwei Ren
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Yufang Ma
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Mingsheng Ma
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Juan Ding
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Jingjing Jiang
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Xin Zheng
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.
| | - Xiaohong Han
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.
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Zou YG, Wang H, Li WW, Dai DL. Challenges in pediatric inherited/metabolic liver disease: Focus on the disease spectrum, diagnosis and management of relatively common disorders. World J Gastroenterol 2023; 29:2114-2126. [PMID: 37122598 PMCID: PMC10130973 DOI: 10.3748/wjg.v29.i14.2114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/09/2023] [Accepted: 03/21/2023] [Indexed: 04/13/2023] Open
Abstract
The clinical scenario of pediatric liver disease is becoming more intricate due to changes in the disease spectrum, in which an increasing number of inherited/ metabolic liver diseases are reported, while infectious diseases show a decreasing trend. The similar clinical manifestations caused by inherited/metabolic diseases might be under-recognized or misdiagnosed due to nonspecific characteristics. A delayed visit to a doctor due to a lack of symptoms or mild symptoms at an early stage will result in late diagnosis and treatment. Moreover, limited diagnostic approaches, especially liver biopsy, are not easily accepted by pediatric patients, leading to challenges in etiological diagnosis. Liver dysfunction due to inherited/metabolic diseases is often caused by a variety of metabolites, so precision treatment is difficult; symptomatic treatment is a compelling option for inherited disorders.
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Affiliation(s)
- Yi-Gui Zou
- Key Laboratory for Precision Diagnosis and Treatment of Pediatric Digestive System Diseases and Endoscopy Center, Shenzhen Children's Hospital, Shenzhen 518026, Guangdong Province, China
| | - Huan Wang
- Key Laboratory for Precision Diagnosis and Treatment of Pediatric Digestive System Diseases and Endoscopy Center, Shenzhen Children's Hospital, Shenzhen 518026, Guangdong Province, China
| | - Wen-Wen Li
- Key Laboratory for Precision Diagnosis and Treatment of Pediatric Digestive System Diseases and Endoscopy Center, Shenzhen Children's Hospital, Shenzhen 518026, Guangdong Province, China
| | - Dong-Ling Dai
- Key Laboratory for Precision Diagnosis and Treatment of Pediatric Digestive System Diseases and Endoscopy Center, Shenzhen Children's Hospital, Shenzhen 518026, Guangdong Province, China
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de Moraes MBM, de Souza HMR, de Oliveira MLC, Peake RWA, Scalco FB, Garrett R. Combined targeted and untargeted high-resolution mass spectrometry analyses to investigate metabolic alterations in pompe disease. Metabolomics 2023; 19:29. [PMID: 36988742 DOI: 10.1007/s11306-023-01989-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 03/05/2023] [Indexed: 03/30/2023]
Abstract
INTRODUCTION Pompe disease is a rare, lysosomal disorder, characterized by intra-lysosomal glycogen accumulation due to an impaired function of α-glucosidase enzyme. The laboratory testing for Pompe is usually performed by enzyme activity, genetic test, or urine glucose tetrasaccharide (Glc4) screening by HPLC. Despite being a good preliminary marker, the Glc4 is not specific for Pompe. OBJECTIVE The purpose of the present study was to develop a simple methodology using liquid chromatography-high resolution mass spectrometry (LC-HRMS) for targeted quantitative analysis of Glc4 combined with untargeted metabolic profiling in a single analytical run to search for complementary biomarkers in Pompe disease. METHODS We collected 21 urine specimens from 13 Pompe disease patients and compared their metabolic signatures with 21 control specimens. RESULTS Multivariate statistical analyses on the untargeted profiling data revealed Glc4, creatine, sorbitol/mannitol, L-phenylalanine, N-acetyl-4-aminobutanal, N-acetyl-L-aspartic acid, and 2-aminobenzoic acid as significantly altered in Pompe disease. This panel of metabolites increased sample class prediction (Pompe disease versus control) compared with a single biomarker. CONCLUSION This study has demonstrated the potential of combined acquisition methods in LC-HRMS for Pompe disease investigation, allowing for routine determination of an established biomarker and discovery of complementary candidate biomarkers that may increase diagnostic accuracy, or improve the risk stratification of patients with disparate clinical phenotypes.
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Affiliation(s)
- Mariana B M de Moraes
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil
| | - Hygor M R de Souza
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil
- Institute of Chemistry, Fluminense Federal University, Niterói, RJ, Brazil
| | - Maria L C de Oliveira
- Inborn Error of Metabolism Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Roy W A Peake
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Fernanda B Scalco
- Inborn Error of Metabolism Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Rafael Garrett
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil.
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
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Koch RL, Soler-Alfonso C, Kiely BT, Asai A, Smith AL, Bali DS, Kang PB, Landstrom AP, Akman HO, Burrow TA, Orthmann-Murphy JL, Goldman DS, Pendyal S, El-Gharbawy AH, Austin SL, Case LE, Schiffmann R, Hirano M, Kishnani PS. Diagnosis and management of glycogen storage disease type IV, including adult polyglucosan body disease: A clinical practice resource. Mol Genet Metab 2023; 138:107525. [PMID: 36796138 DOI: 10.1016/j.ymgme.2023.107525] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 01/26/2023]
Abstract
Glycogen storage disease type IV (GSD IV) is an ultra-rare autosomal recessive disorder caused by pathogenic variants in GBE1 which results in reduced or deficient glycogen branching enzyme activity. Consequently, glycogen synthesis is impaired and leads to accumulation of poorly branched glycogen known as polyglucosan. GSD IV is characterized by a remarkable degree of phenotypic heterogeneity with presentations in utero, during infancy, early childhood, adolescence, or middle to late adulthood. The clinical continuum encompasses hepatic, cardiac, muscular, and neurologic manifestations that range in severity. The adult-onset form of GSD IV, referred to as adult polyglucosan body disease (APBD), is a neurodegenerative disease characterized by neurogenic bladder, spastic paraparesis, and peripheral neuropathy. There are currently no consensus guidelines for the diagnosis and management of these patients, resulting in high rates of misdiagnosis, delayed diagnosis, and lack of standardized clinical care. To address this, a group of experts from the United States developed a set of recommendations for the diagnosis and management of all clinical phenotypes of GSD IV, including APBD, to support clinicians and caregivers who provide long-term care for individuals with GSD IV. The educational resource includes practical steps to confirm a GSD IV diagnosis and best practices for medical management, including (a) imaging of the liver, heart, skeletal muscle, brain, and spine, (b) functional and neuromusculoskeletal assessments, (c) laboratory investigations, (d) liver and heart transplantation, and (e) long-term follow-up care. Remaining knowledge gaps are detailed to emphasize areas for improvement and future research.
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Affiliation(s)
- Rebecca L Koch
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA.
| | - Claudia Soler-Alfonso
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Bridget T Kiely
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Akihiro Asai
- Department of Pediatrics, University of Cincinnati Medical Center, Cincinnati, OH, USA; Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ariana L Smith
- Division of Urology, Department of Surgery, University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Deeksha S Bali
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Peter B Kang
- Paul and Sheila Wellstone Muscular Dystrophy Center, Department of Neurology, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Andrew P Landstrom
- Division of Cardiology, Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA; Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
| | - H Orhan Akman
- Department of Neurology, Columbia University Irving Medical Center, New York City, NY, USA
| | - T Andrew Burrow
- Section of Genetics and Metabolism, Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, AR, USA
| | | | - Deberah S Goldman
- Adult Polyglucosan Body Disease Research Foundation, Brooklyn, NY, USA
| | - Surekha Pendyal
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Areeg H El-Gharbawy
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Stephanie L Austin
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Laura E Case
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA; Doctor of Physical Therapy Division, Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | | | - Michio Hirano
- Department of Neurology, Columbia University Irving Medical Center, New York City, NY, USA
| | - Priya S Kishnani
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
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Hijazi G, Paschall A, Young SP, Smith B, Case LE, Boggs T, Amarasekara S, Austin SL, Pendyal S, El-Gharbawy A, Deak KL, Muir AJ, Kishnani PS. A retrospective longitudinal study and comprehensive review of adult patients with glycogen storage disease type III. Mol Genet Metab Rep 2021; 29:100821. [PMID: 34820282 PMCID: PMC8600151 DOI: 10.1016/j.ymgmr.2021.100821] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/09/2021] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION A deficiency of glycogen debrancher enzyme in patients with glycogen storage disease type III (GSD III) manifests with hepatic, cardiac, and muscle involvement in the most common subtype (type a), or with only hepatic involvement in patients with GSD IIIb. OBJECTIVE AND METHODS To describe longitudinal biochemical, radiological, muscle strength and ambulation, liver histopathological findings, and clinical outcomes in adults (≥18 years) with glycogen storage disease type III, by a retrospective review of medical records. RESULTS Twenty-one adults with GSD IIIa (14 F & 7 M) and four with GSD IIIb (1 F & 3 M) were included in this natural history study. At the most recent visit, the median (range) age and follow-up time were 36 (19-68) and 16 years (0-41), respectively. For the entire cohort: 40% had documented hypoglycemic episodes in adulthood; hepatomegaly and cirrhosis were the most common radiological findings; and 28% developed decompensated liver disease and portal hypertension, the latter being more prevalent in older patients. In the GSD IIIa group, muscle weakness was a major feature, noted in 89% of the GSD IIIa cohort, a third of whom depended on a wheelchair or an assistive walking device. Older individuals tended to show more severe muscle weakness and mobility limitations, compared with younger adults. Asymptomatic left ventricular hypertrophy (LVH) was the most common cardiac manifestation, present in 43%. Symptomatic cardiomyopathy and reduced ejection fraction was evident in 10%. Finally, a urinary biomarker of glycogen storage (Glc4) was significantly associated with AST, ALT and CK. CONCLUSION GSD III is a multisystem disorder in which a multidisciplinary approach with regular clinical, biochemical, radiological and functional (physical therapy assessment) follow-up is required. Despite dietary modification, hepatic and myopathic disease progression is evident in adults, with muscle weakness as the major cause of morbidity. Consequently, definitive therapies that address the underlying cause of the disease to correct both liver and muscle are needed.
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Key Words
- AFP, Alpha-fetoprotein
- ALT, Alanine aminotransferase
- AST, Aspartate aminotransferase
- BG, Blood glucose
- BMI, Body mass index
- CEA, Carcinoembryonic antigen
- CPK, Creatine phosphokinase
- CT scan, Computerized tomography scan
- Cardiomyopathy
- Cirrhosis
- DM, Diabetes mellitus
- GDE, Glycogen debrancher enzyme
- GGT, Gamma glutamyl transferase
- GSD, Glycogen storage disease
- Glc4, Glucose tetrasaccharide
- Glycogen storage disease type III (GSD III)
- HDL, High density lipoprotein
- Hypoglycemia
- LDL, Low density lipoproteins
- LT, liver transplantation.
- Left ventricular hypertrophy (LVH)
- MRI, Magnetic resonance imaging
- TGs, Triglycerides
- US, Ultrasound
- and myopathy
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Affiliation(s)
- Ghada Hijazi
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Anna Paschall
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Sarah P. Young
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Brian Smith
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Laura E. Case
- Doctor of Physical Therapy Division, Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Tracy Boggs
- Duke University Health System, Department of Physical Therapy and Occupational Therapy, USA
| | | | - Stephanie L. Austin
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Surekha Pendyal
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Areeg El-Gharbawy
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | | | - Andrew J. Muir
- Division of Gastroenterology, Duke University School of Medicine, Durham, NC, USA
| | - Priya S. Kishnani
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
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Peeks F, Hoogeveen IJ, Feldbrugge RL, Burghard R, de Boer F, Fokkert‐Wilts MJ, van der Klauw MM, Oosterveer MH, Derks TGJ. A retrospective in-depth analysis of continuous glucose monitoring datasets for patients with hepatic glycogen storage disease: Recommended outcome parameters for glucose management. J Inherit Metab Dis 2021; 44:1136-1150. [PMID: 33834518 PMCID: PMC8519135 DOI: 10.1002/jimd.12383] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/15/2021] [Accepted: 04/07/2021] [Indexed: 11/12/2022]
Abstract
Continuous glucose monitoring (CGM) systems have great potential for real-time assessment of glycemic variation in patients with hepatic glycogen storage disease (GSD). However, detailed descriptions and in-depth analysis of CGM data from hepatic GSD patients during interventions are scarce. This is a retrospective in-depth analysis of CGM parameters, acquired in a continuous, real-time fashion describing glucose management in 15 individual GSD patients. CGM subsets are obtained both in-hospital and at home, upon nocturnal dietary intervention (n = 1), starch loads (n = 11) and treatment of GSD Ib patients with empagliflozin (n = 3). Descriptive CGM parameters, and parameters reflecting glycemic variation and glycemic control are considered useful CGM outcome parameters. Furthermore, the combination of first and second order derivatives, cumulative sum and Fourier analysis identified both subtle and sudden changes in glucose management; hence, aiding assessment of dietary and medical interventions. CGM data interpolation for nocturnal intervals reduced confounding by physical activity and diet. Based on these analyses, we conclude that in-depth CGM analysis can be a powerful tool to assess glucose management and optimize treatment in individual hepatic GSD patients.
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Affiliation(s)
- Fabian Peeks
- Section of Metabolic DiseasesBeatrix Children's Hospital, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
| | - Irene J. Hoogeveen
- Section of Metabolic DiseasesBeatrix Children's Hospital, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
| | | | | | - Foekje de Boer
- Section of Metabolic DiseasesBeatrix Children's Hospital, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
| | - Marieke J. Fokkert‐Wilts
- Section of Metabolic DiseasesBeatrix Children's Hospital, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
| | - Melanie M. van der Klauw
- Department of EndocrinologyUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Maaike H. Oosterveer
- Laboratory of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Terry G. J. Derks
- Section of Metabolic DiseasesBeatrix Children's Hospital, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
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Saville JT, Fuller M. Experience with the Urinary Tetrasaccharide Metabolite for Pompe Disease in the Diagnostic Laboratory. Metabolites 2021; 11:metabo11070446. [PMID: 34357340 PMCID: PMC8305466 DOI: 10.3390/metabo11070446] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/15/2021] [Accepted: 07/05/2021] [Indexed: 11/20/2022] Open
Abstract
Following clinical indications, the laboratory diagnosis of the inherited metabolic myopathy, Pompe disease (PD), typically begins with demonstrating a reduction in acid alpha-glucosidase (GAA), the enzyme required for lysosomal glycogen degradation. Although simple in concept, a major challenge is defining reference intervals, as even carriers can have reduced GAA, and pseudodeficiencies complicate interpretation. Here, we developed a mass spectrometric assay for quantification of a urinary glycogen metabolite (tetrasaccharide) and reported on its utility as a confirmatory test for PD in a diagnostic laboratory. Using two age-related reference intervals, eight returned tetrasaccharide concentrations above the calculated reference interval but did not have PD, highlighting non-specificity. However, retrospective analysis revealed elevated tetrasaccharide in seven infantile-onset (IOPD) cases and sixteen late-onset (LOPD) cases, and normal concentrations in one heterozygote. Prospective tetrasaccharide analysis in nine individuals with reduced GAA confirmed IOPD in one, LOPD in six and identified two heterozygotes. Using this metabolite as a biomarker of therapeutic response was not overly informative; although most patients showed an initial drop following therapy initiation, tetrasaccharide concentrations fluctuated considerably and remained above reference intervals in all patients. While useful as a confirmation of PD, its utility as a biomarker for monitoring treatment warrants further investigation.
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Affiliation(s)
- Jennifer T. Saville
- Genetics and Molecular Pathology, SA Pathology at Women’s and Children’s Hospital, 72 King William Road, North Adelaide, SA 5006, Australia;
| | - Maria Fuller
- Genetics and Molecular Pathology, SA Pathology at Women’s and Children’s Hospital, 72 King William Road, North Adelaide, SA 5006, Australia;
- Adelaide Medical School, University of Adelaide, North Terrace, Adelaide, SA 5000, Australia
- Correspondence: ; Tel.: +61-(0)8-8161-6741
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Berling É, Laforêt P, Wahbi K, Labrune P, Petit F, Ronzitti G, O'Brien A. Narrative review of glycogen storage disorder type III with a focus on neuromuscular, cardiac and therapeutic aspects. J Inherit Metab Dis 2021; 44:521-533. [PMID: 33368379 DOI: 10.1002/jimd.12355] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/19/2020] [Accepted: 12/22/2020] [Indexed: 12/26/2022]
Abstract
Glycogen storage disorder type III (GSDIII) is a rare inborn error of metabolism due to loss of glycogen debranching enzyme activity, causing inability to fully mobilize glycogen stores and its consequent accumulation in various tissues, notably liver, cardiac and skeletal muscle. In the pediatric population, it classically presents as hepatomegaly with or without ketotic hypoglycemia and failure to thrive. In the adult population, it should also be considered in the differential diagnosis of left ventricular hypertrophy or hypertrophic cardiomyopathy, myopathy, exercise intolerance, as well as liver cirrhosis or fibrosis with subsequent liver failure. In this review article, we first present an overview of the biochemical and clinical aspects of GSDIII. We then focus on the recent findings regarding cardiac and neuromuscular impairment associated with the disease. We review new insights into the pathophysiology and clinical picture of this disorder, including symptomatology, imaging and electrophysiology. Finally, we discuss current and upcoming treatment strategies such as gene therapy aimed at the replacement of the malfunctioning enzyme to provide a stable and long-term therapeutic option for this debilitating disease.
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Affiliation(s)
- Édouard Berling
- Généthon, Evry, France
- Université Paris-Saclay, Univ Evry, INSERM, Généthon, Integrare Research Unit UMR_S951, Evry, France
| | - Pascal Laforêt
- APHP, Department of Neurology, Raymond Poincaré Hospital, Centre de Référence de Pathologie Neuromusculaire Nord-Est-Ile-de-France, Garches, France
- INSERM U 1179, Université Versailles Saint Quentin en Yvelines, Paris-Saclay, France
| | - Karim Wahbi
- APHP, Cochin Hospital, Cardiology Department, FILNEMUS, Paris-Descartes, Sorbonne Paris Cité University, Paris, France
- Sorbonne Paris Cité, Université Paris Descartes, Paris, France
- INSERM Unit 970, Paris Cardiovascular Research Centre (PARCC), Paris, France
| | - Philippe Labrune
- APHP, Université Paris-Saclay, Hôpital Antoine Béclère, Centre de Référence Maladies Héréditaires du Métabolisme Hépatique, Service de Pédiatrie, 92141 Clamart cedex, France
- INSERM U1195, Université Paris-Saclay, Le Kremlin Bicêtre, France
| | - François Petit
- Department of Genetics, APHP, Université Paris Saclay, Hôpital Antoine Béclère, Clamart, France
| | - Giuseppe Ronzitti
- Généthon, Evry, France
- Université Paris-Saclay, Univ Evry, INSERM, Généthon, Integrare Research Unit UMR_S951, Evry, France
| | - Alan O'Brien
- Généthon, Evry, France
- Service de Médecine Génique, Département de Médecine, Centre Hospitalier de l'Université de Montréal (CHUM), Montréal, Quebec, Canada
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Molares-Vila A, Corbalán-Rivas A, Carnero-Gregorio M, González-Cespón JL, Rodríguez-Cerdeira C. Biomarkers in Glycogen Storage Diseases: An Update. Int J Mol Sci 2021; 22:ijms22094381. [PMID: 33922238 PMCID: PMC8122709 DOI: 10.3390/ijms22094381] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/10/2021] [Accepted: 04/19/2021] [Indexed: 01/09/2023] Open
Abstract
Glycogen storage diseases (GSDs) are a group of 19 hereditary diseases caused by a lack of one or more enzymes involved in the synthesis or degradation of glycogen and are characterized by deposits or abnormal types of glycogen in tissues. Their frequency is very low and they are considered rare diseases. Except for X-linked type IX, the different types are inherited in an autosomal recessive pattern. In this study we reviewed the literature from 1977 to 2020 concerning GSDs, biomarkers, and metabolic imbalances in the symptoms of some GSDs. Most of the reported studies were performed with very few patients. Classification of emerging biomarkers between different types of diseases (hepatics GSDs, McArdle and PDs and other possible biomarkers) was done for better understanding. Calprotectin for hepatics GSDs and urinary glucose tetrasaccharide for Pompe disease have been approved for clinical use, and most of the markers mentioned in this review only need clinical validation, as a final step for their routine use. Most of the possible biomarkers are implied in hepatocellular adenomas, cardiomyopathies, in malfunction of skeletal muscle, in growth retardation, neutropenia, osteopenia and bowel inflammation. However, a few markers have lost interest due to a great variability of results, which is the case of biotinidase, actin alpha 2, smooth muscle, aorta and fibroblast growth factor receptor 4. This is the first review published on emerging biomarkers with a potential application to GSDs.
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Affiliation(s)
- Alberto Molares-Vila
- Bioinformatics Platform, Health Research Institute in Santiago de Compostela (IDIS), SERGAS-USC, 15706 Santiago de Compostela, Spain;
| | - Alberte Corbalán-Rivas
- Local Office of Health Inspection, Health Ministry at Galician Autonomous Region, 27880 Burela, Spain;
| | - Miguel Carnero-Gregorio
- Department of Molecular Diagnosis (Arrays Division), Institute of Cellular and Molecular Studies (ICM), 27003 Lugo, Spain;
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain;
| | - José Luís González-Cespón
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain;
| | - Carmen Rodríguez-Cerdeira
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain;
- Dermatology Department, Complexo Hospitalario Universitario de Vigo (CHUVI), Meixoeiro Hospital, SERGAS, 36213 Vigo, Spain
- Correspondence: or ; Tel.: +34-600536114
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Young SP, Khan A, Stefanescu E, Seifts AM, Hijazi G, Austin S, Kishnani PS. Diurnal variability of glucose tetrasaccharide (Glc 4) excretion in patients with glycogen storage disease type III. JIMD Rep 2021; 58:37-43. [PMID: 33728245 PMCID: PMC7932871 DOI: 10.1002/jmd2.12181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/27/2020] [Accepted: 10/22/2020] [Indexed: 11/08/2022] Open
Abstract
AIM The urinary glucose tetrasaccharide, Glcα1-6Glcα1-4Glcα1-4Glc (Glc4), is a glycogen limit dextrin that is elevated in patients with glycogen storage disease (GSD) type III. We evaluated the potential of uncooked cornstarch therapy to interfere with Glc4 monitoring, by measuring the diurnal variability of Glc4 excretion in patients with GSD III. METHODS Voids were collected at home over 24 hours, stored at 4°C and frozen within 48 hours. Glc4 was analyzed using liquid chromatography-tandem mass spectrometry and normalized to creatinine. RESULTS Subjects with GSD III (median age: 13.5 years, range: 3.7-62; n = 18) completed one or more 24-hour urine collection, and 28/36 collections were accepted for analysis. Glc4 was elevated in 16/18 subjects (median: 13 mmol/mol creatinine, range: 2-75, reference range: <3). In collections with elevated Glc4 (23/28), two-thirds (15/23) had low diurnal variability in Glc4 excretion (coefficient of variation [CV%] <25). The diurnal variability was significantly correlated with the Glc4 concentration (Pearson R = .644, P < .05), but not with the dose of uncooked cornstarch. High intraday variability (>25%) was not consistently observed in repeat collections by the same subject. CONCLUSIONS The extent and variability of Glc4 excretion relative to creatinine was not correlated with cornstarch dose. A majority of collections showed low variability over 24 hours. These findings support the use of single time-point collections to evaluate Glc4 in patients with GSD III treated with cornstarch. However, repeat sampling over short time-periods will provide the most accurate assessment of Glc4 excretion, as intraday variability may be increased in patients with high Glc4 excretion.
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Affiliation(s)
- Sarah P. Young
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
- Duke University Health System Biochemical Genetics LaboratoryDurhamNorth CarolinaUSA
| | - Aleena Khan
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
| | - Ela Stefanescu
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
| | - Andrea M. Seifts
- Duke University Health System Biochemical Genetics LaboratoryDurhamNorth CarolinaUSA
| | - Ghada Hijazi
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
| | - Stephanie Austin
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
| | - Priya S. Kishnani
- Division of Medical Genetics, Department of PediatricsDuke University School of MedicineDurhamNorth CarolinaUSA
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13
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Response to Heiner-Fokkema et al. Genet Med 2020; 22:1917-1918. [DOI: 10.1038/s41436-020-0879-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/09/2020] [Accepted: 06/15/2020] [Indexed: 01/27/2023] Open
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