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Zhong J, Gou Y, Zhao P, Dong X, Guo M, Li A, Hao A, Luu HH, He TC, Reid RR, Fan J. Glycogen storage disease type I: Genetic etiology, clinical manifestations, and conventional and gene therapies. PEDIATRIC DISCOVERY 2023; 1:e3. [PMID: 38370424 PMCID: PMC10874634 DOI: 10.1002/pdi3.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/11/2023] [Indexed: 02/20/2024]
Abstract
Glycogen storage disease type I (GSDI) is an inherited metabolic disorder characterized by a deficiency of enzymes or proteins involved in glycogenolysis and gluconeogenesis, resulting in excessive intracellular glycogen accumulation. While GSDI is classified into four different subtypes based on molecular genetic variants, GSDIa accounts for approximately 80%. GSDIa and GSDIb are autosomal recessive disorders caused by deficiencies in glucose-6-phosphatase (G6Pase-α) and glucose-6-phosphate-transporter (G6PT), respectively. For the past 50 years, the care of patients with GSDI has been improved following elaborate dietary managements. GSDI patients currently receive dietary therapies that enable patients to improve hypoglycemia and alleviate early symptomatic signs of the disease. However, dietary therapies have many limitations with a risk of calcium, vitamin D, and iron deficiency and cannot prevent long-term complications, such as progressive liver and renal failure. With the deepening understanding of the pathogenesis of GSDI and the development of gene therapy technology, there is great progress in the treatment of GSDI. Here, we review the underlying molecular genetics and the current clinical management strategies of GSDI patients with an emphasis on promising experimental gene therapies.
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Affiliation(s)
- Jiamin Zhong
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Yannian Gou
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Piao Zhao
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiangyu Dong
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Meichun Guo
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Aohua Li
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Ailing Hao
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Hue H. Luu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
- Laboratory of Craniofacial Biology and Development, Department of Surgery, Section of Plastic Surgery, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Russell R. Reid
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
- Laboratory of Craniofacial Biology and Development, Department of Surgery, Section of Plastic Surgery, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Jiaming Fan
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
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Mikami M, Arai A, Mizumoto H. Empagliflozin ameliorated neutropenia in a girl with glycogen storage disease Ib. Pediatr Int 2021; 63:1394-1396. [PMID: 34378838 DOI: 10.1111/ped.14629] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/18/2021] [Accepted: 01/26/2021] [Indexed: 01/17/2023]
Affiliation(s)
- Masamitsu Mikami
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Atsushi Arai
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Hiroshi Mizumoto
- Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
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Rossi A, Miele E, Fecarotta S, Veiga-da-Cunha M, Martinelli M, Mollica C, D'Armiento M, Mozzillo E, Strisciuglio P, Derks TGJ, Staiano A, Parenti G. Crohn disease-like enterocolitis remission after empagliflozin treatment in a child with glycogen storage disease type Ib: a case report. Ital J Pediatr 2021; 47:149. [PMID: 34215305 PMCID: PMC8254289 DOI: 10.1186/s13052-021-01100-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/03/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Besides major clinical/biochemical features, neutropenia and inflammatory bowel disease (IBD) constitute common complications of Glycogen storage disease type Ib (GSD Ib). However, their management is still challenging. Although previous reports have shown benefit of empagliflozin administration on neutropenia, no follow-up data on bowel (macro/microscopic) morphology are available. We herein present for the first time longitudinal assessment of bowel morphology in a GSD Ib child suffering from Crohn disease-like enterocolitis treated with empagliflozin. CASE PRESENTATION A 14-year-old boy with GSD Ib and severe IBD was (off-label) treated with empagliflozin (20 mg/day) after informed oral and written consent was obtained from the patient's parents. No adverse events were noted. Clinical symptoms and stool frequency improved within the first week of treatment. Pediatric Crohn disease activity index (PCDAI) normalised within the first month of treatment. Abdomen magnetic resonance imaging (MRI) performed 3 months after treatment initiation showed dramatic decrease in disease activity and length. Similar findings were reported on histology at 5.5 months. At 7.5 months hemoglobin levels normalised and fecal calprotectin almost normalised. Improved neutrophil count, metabolic control and quality of life were also noted. G-CSF dose was decreased by 33% and the patient was partly weaned from tube feeding. CONCLUSIONS This is the first report presenting extensive gastrointestinal morphology follow-up in a GSD Ib patient receiving empagliflozin. The present case suggests that empagliflozin can be safe and effective in inducing IBD remission in GSD Ib patients and can even postpone surgery. Future studies are required to confirm its effect over time and assess its benefit in various disease stages. The development of an international collaborating networks for systematic data collection is worthy.
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Affiliation(s)
- Alessandro Rossi
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy. .,Section of Metabolic Diseases, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
| | - Erasmo Miele
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Simona Fecarotta
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Maria Veiga-da-Cunha
- Groupe de Recherches Metaboliques, de Duve Institute, UC Louvain (Université Catholique de Louvain), B-1200, Brussels, Belgium
| | - Massimo Martinelli
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Carmine Mollica
- Section of Medical Imaging, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | - Maria D'Armiento
- Section of Pathology, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | - Enza Mozzillo
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Pietro Strisciuglio
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Terry G J Derks
- Section of Metabolic Diseases, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - Annamaria Staiano
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Giancarlo Parenti
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", Naples, Italy.,Telethon Institute of Genetics and Medicine, Pozzuoli, Italy
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Du C, Li Z, Wei H, Zhang M, Hu M, Zhang C, Luo X, Liang Y. Clinical analysis and long-term treatment monitoring of 3 patients with glycogen storage disease type Ib. BMC Med Genomics 2021; 14:81. [PMID: 33731098 PMCID: PMC7972195 DOI: 10.1186/s12920-021-00936-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 03/09/2021] [Indexed: 11/17/2022] Open
Abstract
Background To investigate the clinical and genetic characteristics of patients with glycogen storage disease type Ib (GSD Ib). Case presentation This report retrospectively analyzed the clinical data of 3 patients with GSD Ib admitted into our hospital, and summarized their onset characteristics, clinical manifestations, related examinations and treatment as well as mutational spectrum. After gene sequencing, the diagnosis of GSD Ib was confirmed in all 3 patients. Five variants of SLC37A4 gene were detected, of which c. 572C > T was the common variant and c. 680G > A was a novel variant. The 3 cases of GSD Ib were mainly affected by liver enlargement, growth retardation, etc., and all had a history of repeated infections. At the onset, patients mainly manifested as mildly elevated alanine-aminotransferase (ALT), accompanied by decreased absolute neutrophil count (ANC), hypertriglyceridemia, and metabolic disorders (hypoglycemia, hyperlactic acidemia, metabolic acidosis, etc.). After long-term treatment by oral uncooked cornstarch, the abnormal liver enzymes gradually returned to normal, and metabolic abnormalities were basically controlled most of the time. With increasing age, ANC of 2 patients decreased progressively, whereas the times of infections was reduced. Conclusions We reported 3 cases with GSD Ib and a novel SLC37A4 variant. The possibility of GSD type Ib should be kept on alert when a patient suffers recurrent infections, accompanied by hepatomegaly, elevated liver enzymes, hypoglycemia, dyslipidemia, and metabolic disorders.
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Affiliation(s)
- Caiqi Du
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zhuoguang Li
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hong Wei
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Min Zhang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Minghui Hu
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Cai Zhang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiaoping Luo
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yan Liang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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