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Hwu WL. Deciphering the diagnostic dilemma: A comprehensive review of the Taiwanese cardiac variant in Fabry disease. J Formos Med Assoc 2023:S0929-6646(23)00402-3. [PMID: 37833114 DOI: 10.1016/j.jfma.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/21/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
Molecular diagnosis has undergone rapid and significant advancements in recent years. But because molecular diagnosis can be conducted independently of phenotype, it can engender ambiguity and potential misinterpretations in disease diagnosis. Fabry disease, an X-linked lysosomal storage disorder, arises from a deficiency in α-galactosidase A. In 2002, Ishii and colleagues uncovered a variant (IVS4+919G > A) deep within intron 4 of the GLA gene that could lead to aberrant splicing of the GLA mRNA. This variant is present in 1:875 males in Taiwan, and many patients with hypertrophic cardiomyopathy and the IVS4+919G > A variant are currently treated by enzyme replacement therapy, an expensive treatment. Unfortunately, till now only one article published in 2013 described the outcome of treatment. This review summarized the conflicting evidence about the clinical relevance of the IVS4+919G > A variant, and suggest a multifactorial model, rather than a monogenic model, for the involvement of the IVS4+919G > A variant in hypertrophic cardiomyopathy. The diagnostic dilemma for this Taiwanese cardiac variant in Fabry disease clearly emphasizes the need for precise interpretation and application of molecular diagnostic results.
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Affiliation(s)
- Wuh-Liang Hwu
- Department of Pediatrics and Medical Genetics, National Taiwan University Hospital, Taipei, Taiwan.
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Chimenz R, Chirico V, Cuppari C, Ceravolo G, Concolino D, Monardo P, Lacquaniti A. Fabry disease and kidney involvement: starting from childhood to understand the future. Pediatr Nephrol 2022; 37:95-103. [PMID: 33928440 DOI: 10.1007/s00467-021-05076-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/15/2021] [Accepted: 03/29/2021] [Indexed: 12/29/2022]
Abstract
The accumulation of globotriaosylceramide (Gb-3) in multiple organs, such as the heart, kidney, and nervous system, due to mutations in the galactosidase alpha (GLA) gene, represents the key point of Fabry disease (FD). The common symptoms appear in childhood or adolescence, including neuropathic pain, angiokeratoma, acroparesthesia, and corneal opacities. A multi-organ involvement induces a significant deterioration in the quality of life with high mortality in adulthood. The accumulation of Gb-3 involves all types of kidney cells beginning at fetal development, many years before clinical manifestations. A decline in the glomerular filtration rate is rare in children, but it can occur during adolescence. Pediatric patients rarely undergo kidney biopsy that could assess the efficacy of enzyme replacement therapy (ERT) behind its diagnostic role. To date, diagnosis is achieved by detecting reduced α-Gal-A activity in leukocytes and plasma, allowing for the early start of ERT. This review focuses on pediatric kidney involvement in FD, analyzing in depth its diagnostic processes and treatment options.
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Affiliation(s)
- Roberto Chimenz
- Pediatric Nephrology and Dialysis Unit, University Hospital "G. Martino", Messina, Italy.
| | - Valeria Chirico
- Unit of Pediatric Emergency, Department of Adult and Childhood Human Pathology, University Hospital of Messina, Messina, Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Adult and Childhood Human Pathology, University Hospital of Messina, Messina, Italy
| | - Giorgia Ceravolo
- Unit of Pediatric Emergency, Department of Adult and Childhood Human Pathology, University Hospital of Messina, Messina, Italy
| | - Daniela Concolino
- Department of Science of Health, Pediatric Unit, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Paolo Monardo
- Nephrology and Dialysis Unit, Papardo Hospital, Messina, Italy
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Muntean C, Starcea IM, Stoica C, Banescu C. Clinical Characteristics, Renal Involvement, and Therapeutic Options of Pediatric Patients With Fabry Disease. Front Pediatr 2022; 10:908657. [PMID: 35722479 PMCID: PMC9198369 DOI: 10.3389/fped.2022.908657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/12/2022] [Indexed: 11/13/2022] Open
Abstract
Inherited renal diseases represent 20% of the causes of end-stage renal diseases. Fabry disease, an X-linked lysosomal storage disorder, results from α-galactosidase A deficient or absent activity followed by globotriaosylceramide (Gb3) accumulation and multiorgan involvement. In Fabry disease, kidney involvement starts early, during intrauterine life by the Gb3 deposition. Even if chronic kidney disease (CKD) is discovered later in adult life in Fabry disease patients, a decline in glomerular filtration rate (GFR) can occur during adolescence. The first clinical sign of kidney involvement is represented by albuminuria. So, early and close monitoring of kidneys function is required: albuminuria and proteinuria, urinary albumin-to-creatinine ratio, serum creatinine, or cystatin C to estimate GFR, while urinary sediment with phase-contrast microscopy under polarized light may be useful in those cases where leucocyte α-Gal A activity and GLA genotyping are not available. Children with Fabry disease and kidney involvement should receive enzyme replacement therapy and nephroprotective drugs (angiotensin-converting enzyme inhibitors or angiotensin receptor blockers) to prevent or slow the progressive loss of kidney functions. Early diagnosis of Fabry disease is important as enzyme replacement therapy reduces symptoms, improves clinical features and biochemical markers, and the quality of life. More importantly, early treatment could slow or stop progressive organ damage in later life.
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Affiliation(s)
- Carmen Muntean
- Department of Pediatrics I, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, Targu Mures, Romania
| | - Iuliana Magdalena Starcea
- Department of Pediatric Nephrology, Sf Maria Emergency Hospital for Children Iasi, University of Medicine and Pharmacy Grigore T. Popa Iasi, Iasi, Romania
| | - Cristina Stoica
- Pediatric Nephrology Department, Fundeni Clinical Institute, University of Medicine and Pharmacy Carol Davila Bucharest, Bucharest, Romania
| | - Claudia Banescu
- Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, Targu Mures, Romania
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Carvalho Silva D, Marques N, Azevedo O, Miltenberger-Miltenyi G, Bento D, Guedes J, Azevedo P, Bispo J, Mota T, Fernandes R, Nzwalo H, Cabrita A, Ramos A, de Jesus I. p.G360R Is a Pathogenic GLA Gene Mutation Responsible for a Classic Phenotype of Fabry Disease. Cardiology 2019; 144:125-130. [DOI: 10.1159/000502437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 07/28/2019] [Indexed: 11/19/2022]
Abstract
The authors report the case of a classic phenotype of Fabry disease in a 60-year-old male patient presenting with left ventricular hypertrophy and stroke. Genetic analysis revealed 2 GLA-gene variants, i.e., p.R356Q and p.G360R. This clinical case highlights that the finding of 2 or more GLA gene variants in a Fabry patient should lead to a careful evaluation in order to determine their exact role in the condition. This case also provides the first clinical evidence that the p.G360R mutation is pathogenic and responsible for a classic phenotype of Fabry disease. The clinical improvement following the initiation of enzyme replacement therapy reinforces the importance of Fabry disease awareness and diagnosis in patients exhibiting red flags, such as left ventricular hypertrophy and stroke.
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Del Pino M, Andrés A, Bernabéu AÁ, de Juan-Rivera J, Fernández E, de Dios García Díaz J, Hernández D, Luño J, Fernández IM, Paniagua J, Posada de la Paz M, Rodríguez-Pérez JC, Santamaría R, Torra R, Ambros JT, Vidau P, Torregrosa JV. Fabry Nephropathy: An Evidence-Based Narrative Review. Kidney Blood Press Res 2018; 43:406-421. [PMID: 29558749 DOI: 10.1159/000488121] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 03/09/2018] [Indexed: 11/19/2022] Open
Abstract
Fabry disease (FD) is a rare, X-linked disorder caused by mutations in the GLA gene encoding the enzyme α-galactosidase A. Complete or partial deficiency in this enzyme leads to intracellular accumulation of globotriaosylceramide (Gb3) and other glycosphingolipids in many cell types throughout the body, including the kidney. Progressive accumulation of Gb3 in podocytes, endothelial cells, epithelial cells, and tubular cells contribute to the renal symptoms of FD, which manifest as proteinuria and reduced glomerular filtration rate leading to renal insufficiency. A correct diagnosis of FD, although challenging, has considerable implications regarding treatment, management, and counseling. The diagnosis may be confirmed by demonstrating the enzyme deficiency in males and by identifying the specific GLA gene mutation in male and female patients. Treatment with enzyme replacement therapy, as part of the therapeutic strategy to prevent complications of the disease, may be beneficial in stabilizing renal function or slowing its decline, particularly in the early stages of the disease. Emergent treatments for FD include the recently approved chaperone molecule migalastat for patients with amenable mutations. The objective of this report is to provide an updated overview on Fabry nephropathy, with a focus on the most relevant aspects of its epidemiology, diagnosis, pathophysiology, and treatment options.
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Affiliation(s)
- María Del Pino
- Nephrology Service, Hospital Torrecardenas, Almeria, Spain
| | - Amado Andrés
- Division of Nephrology, Instituto de Investigación Hospital 12 de Octubre, Universidad Complutense de Madrid, Madrid, Spain
| | | | | | - Elvira Fernández
- Unit for the Detection and Treatment of Atherothrombotic Diseases (UDETMA), Nephrology Department, Hospital Universitari Arnau de Vilanova de Lleida, Institut de Recerca Biomèdica de Lleida (IRBLleida), Universitat de Lleida, Lleida, Spain
| | - Juan de Dios García Díaz
- Clinical Genetics Unit, Department of Internal Medicine University Hospital Príncipe de Asturias Alcalá de Henares, Madrid, Spain
| | - Domingo Hernández
- Nephrology Department, Carlos Haya Regional University Hospital and University of Málaga, IBIMA, REDinREN (RD16/0009/0006), Málaga, Spain
| | - José Luño
- Nephrology Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - José Paniagua
- Nephrology Service, Hospital El Bierzo, Ponferrada, Spain
| | - Manuel Posada de la Paz
- Institute of Rare Diseases Research, SpainRDR and CIBERER, Institute of Health Carlos III, Madrid, Spain
| | - José Carlos Rodríguez-Pérez
- University Hospital of Gran Canaria Dr. Negrin, Universidad de Las Palmas de Gran Canaria (Las Palmas), Las Palmas, Spain
| | - Rafael Santamaría
- Nephrology Department, Reina Sofia University Hospital, Maimonides Institute for Research in Biomedicine of Cordoba and University of Cordoba, Red de Investigación Renal (RedinRen), Cordoba, Spain
| | - Roser Torra
- Inherited Kidney Disorders, Nephrology Department, Fundació Puigvert, Instituto de Investigaciones Biomédicas Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, REDinREN, Instituto de Investigación Carlos III, Barcelona, Spain
| | - Joan Torras Ambros
- Nephrology Service, Experimental Nephrology Laboratory, Hospital de Bellvitge, IDIBELL, Barcelona, Spain
| | - Pedro Vidau
- Nephrology Service, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Josep-Vicent Torregrosa
- Nephrology and Renal Transplant Department, Hospital Clinic, University of Barcelona, RedInRen, Barcelona, Spain
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Matern D, Gavrilov D, Oglesbee D, Raymond K, Rinaldo P, Tortorelli S. Newborn screening for lysosomal storage disorders. Semin Perinatol 2015; 39:206-16. [PMID: 25891428 DOI: 10.1053/j.semperi.2015.03.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Every newborn in the U.S. is screened for at least 29 disorders, where evidence suggests that early detection is possible and beneficial. With new or improved treatment options and development of high-throughput screening tests, additional conditions have been proposed for inclusion in newborn screening programs. Among those are several lysosomal storage disorders that have been evaluated in limited pilot studies or that are already included in a few national or international newborn screening programs. These conditions include Pompe disease, Niemann-Pick type A/B disease, Fabry disease, Krabbe disease, Mucopolysaccharidoses types I and II, and Gaucher disease. Here, we review the current state of newborn screening for these lysosomal storage disorders.
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Affiliation(s)
- Dietrich Matern
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN; Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, MN.
| | - Dimitar Gavrilov
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN
| | - Devin Oglesbee
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN
| | - Kimiyo Raymond
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN
| | - Piero Rinaldo
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN; Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, MN
| | - Silvia Tortorelli
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA; Department of Medical Genetics, Mayo Clinic College of Medicine, Rochester, MN
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Vaidyanathan K. Urinary proteomics and metabolomics in the diagnosis of pediatric disorders. Proteomics Clin Appl 2015; 9:482-9. [PMID: 25631340 DOI: 10.1002/prca.201400093] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 12/24/2014] [Accepted: 01/27/2015] [Indexed: 12/17/2022]
Abstract
Proteomics is the study of structures and functions of proteins, while metabolomics is the study of small-molecule metabolites in the cells, tissues, and organs of the organism. Proteomic technologies have wide applications in medical field. The current revolution in proteomics has led to the discovery of several new protein markers for various disorders. Urinary proteomics and metabolomics have also evolved in the recent years, for the diagnosis of both renal and nonrenal disorders. The urinary proteome varies in normal and abnormal conditions. Different techniques are employed for the analysis of pediatric urinary proteome, the commonest being MS. Before introduction into clinical use, there is the need for careful standardization. Available data suggest that there are differences in urinary proteome between adult and pediatric populations. It is noted that infant urine contains proteins involved in translation and transcription, cellular growth, and metabolic processes, which are not predominant in adult urine. Available data on urinary proteomic and metabolomic profile in common pediatric disorders are also reviewed here.
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Affiliation(s)
- Kannan Vaidyanathan
- Department of Biochemistry, Pushpagiri Institute of Medical Science & Research Center, Tiruvalla, India
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Flangea C, Mosoarca C, Cozma C, Galusca M, Przybylski M, Zamfir AD. Testing the feasibility of fully automated chip-based nanoelectrospray ionization mass spectrometry as a novel tool for rapid diagnosis of Fabry disease. Electrophoresis 2013; 34:1572-80. [DOI: 10.1002/elps.201200665] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 01/09/2013] [Accepted: 01/11/2013] [Indexed: 01/04/2023]
Affiliation(s)
| | | | - Claudia Cozma
- Laboratory of Analytical Chemistry and Biopolymer Structure Analysis; Department of Chemistry; University of Konstanz; Konstanz; Germany
| | - Mirela Galusca
- Department of Chemical and Biological Sciences; “Aurel Vlaicu” University of Arad; Arad; Romania
| | - Michael Przybylski
- Laboratory of Analytical Chemistry and Biopolymer Structure Analysis; Department of Chemistry; University of Konstanz; Konstanz; Germany
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