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Koca S, Tümer L, Okur İ, Erten Y, Bakkaloğlu S, Biberoğlu G, Kasapkara Ç, Küçükçongar A, Dalgıç B, Oktar SÖ, Öner Y, Atalay T, Cemri M, Çiftçi B, Topçu B, Hasanoğlu A, Ezgü F. High incidence of co-existing factors significantly modifying the phenotype in patients with Fabry disease. Gene 2019; 687:280-8. [PMID: 30468909 DOI: 10.1016/j.gene.2018.11.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 11/16/2018] [Indexed: 12/29/2022]
Abstract
Fabry disease results from deficiency of the lysosomal enzyme alpha-galactosidase A. The families of 11 index cases were screened by enzyme and molecular assays. Further clinical and laboratory investigations were carried out in all cases. Including 33 new patients, a total of 28 females (Age 25,82 ± 12,1 Range 8-46) and 16 males (Age 24,56 ± 15,04 Range 2-48) were investigated. Ten different disease-causing variants were found two of them being novel. One patient had co-existing familial mediteranian fever, one had celiac disease and three had rheumatological disorders. Lipoprotein (a) levels were elevated in 17,6%, homocysteine in 22,2%, total and low density cholesterol in 12% and antithrombin 3 levels were elevated in 13,3%. One patient was found to be heterozygous for prothrombin p.G20210A disease-causing variant (5,8%) and two for factor V Leiden disease-causing variant (11,7%). Anticardiolipin IgM antibody was found to be positive in 11,7%. The patients with abnormal cranial imaging were also noticed to have additional risk factors for thrombosis. This study provides the largest data about Fabry patients from Turkey and implies that co-existing risk factors unrelated to Fabry Disease have significant association with the presence of clinical symptoms in females and might cause an early and severe clinical course in males.
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Juchniewicz P, Kloska A, Tylki-Szymańska A, Jakóbkiewicz-Banecka J, Węgrzyn G, Moskot M, Gabig-Cimińska M, Piotrowska E. Female Fabry disease patients and X-chromosome inactivation. Gene 2017; 641:259-264. [PMID: 29079200 DOI: 10.1016/j.gene.2017.10.064] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 09/29/2017] [Accepted: 10/20/2017] [Indexed: 01/22/2023]
Abstract
Fabry disease is an X-linked inherited lysosomal storage disorder caused by mutations in the gene encoding α-galactosidase A (GLA). Once it was thought to affect only hemizygous males. Over the last fifteen years, research has shown that most females carrying mutated allele also develop symptoms, demonstrating a wide range of disease severity, from a virtually asymptomatic to more classical profile, with cardiac, renal, and cerebrovascular manifestations. This variable expression in females is thought to be influenced by the process of X-chromosome inactivation (XCI). The aim of this study was to assess severity of the clinical phenotype, to analyze XCI patterns, and to estimate their effect on disease manifestation in twelve female Fabry disease patients from five unrelated Polish families. Our analyses revealed that patients presented with the broad range of disease expression - from mild to severe, and their clinical involvement did not correlate with XCI profiles. Female carriers of the mutation in the GLA gene with the random XCI may present with the wide range of disease signs and symptoms. Thus, XCI is not a main factor in the phenotype variability of Fabry disease manifestation in heterozygous females.
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Affiliation(s)
- Patrycja Juchniewicz
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Anna Kloska
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Anna Tylki-Szymańska
- Department of Pediatric Nutrition and Metabolic Diseases, The Children's Memorial Health Institute, Dzieci Polskich 20, 04-730 Warsaw, Poland
| | - Joanna Jakóbkiewicz-Banecka
- Department of Medical Biology and Genetics, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Grzegorz Węgrzyn
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Marta Moskot
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Laboratory of Molecular Biology (affiliated with the University of Gdańsk), Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Magdalena Gabig-Cimińska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Laboratory of Molecular Biology (affiliated with the University of Gdańsk), Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Ewa Piotrowska
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland.
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Sharma A, Sartori M, Zaragoza JJ, Villa G, Lu R, Faggiana E, Brocca A, Di Lullo L, Feriozzi S, Ronco C. Fabry's disease: an example of cardiorenal syndrome type 5. Heart Fail Rev. 2015;20:689-708. [PMID: 26232292 DOI: 10.1007/s10741-015-9500-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cardiorenal syndrome type 5 (CRS-5) includes conditions where there is a simultaneous involvement of the heart and kidney from a systemic disorder. This is a bilateral organ cross talk. Fabry's disease (FD) is a devastating progressive inborn error of metabolism with lysosomal glycosphingolipid deposition in variety of cell types, capillary endothelial cells, renal, cardiac and nerve cells. Basic effect is absent or deficient activity of lysosomal exoglycohydrolase a-galactosidase A. Renal involvement consists of proteinuria, isosthenuria, altered tubular function, presenting in second or third decade leading to azotemia and end-stage renal disease in third to fifth decade mainly due to irreversible changes to glomerular, tubular and vascular structures, especially highlighted by podocytes foot process effacement. Cardiac involvement consists of left ventricular hypertrophy, right ventricular hypertrophy, arrhythmias (sinus node and conduction system impairment), diastolic dysfunction, myocardial ischemia, infarction, transmural replacement fibrosis, congestive heart failure and cardiac death. Management of FD is based on enzymatic replacement therapy and control of renal (with anti-proteinuric agents such as angiotensin-converting enzyme inhibitors-and/or angiotensin II receptor blockers), brain (coated aspirin, clopidogrel and statin to prevent strokes) and heart complications (calcium channel blockers for ischemic cardiomyopathy, warfarin and amiodarone or cardioverter device for arrhythmias).
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Kim DH, Kim SY, Im M, Lee Y, Seo YJ, Lee JH. A Novel Frameshift Mutation of Galactosidase-alpha in Fabry Disease Restricted to Dermatologic Manifestations. Ann Dermatol 2013; 25:95-8. [PMID: 23467435 PMCID: PMC3582937 DOI: 10.5021/ad.2013.25.1.95] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2012] [Revised: 08/11/2011] [Accepted: 09/05/2011] [Indexed: 11/08/2022] Open
Abstract
A 28-year-old Asian male was referred for dermatologic evaluation of diffuse bluish-red maculopapules in the lower trunk and genital regions. There was no family history, and with the exception of dispersed skin lesions and hypohidrosis, no other complaints or symptoms were present. Histological evaluation of the skin lesions revealed angiokeratomas. When this combination of clinical and histological findings is observed, Fabry disease is suspected. Biochemical examination performed for definitive diagnosis did not show any activity of the α-galactosidase A enzyme. Through identification of a c.182_183ins(GA) mutation of the GLA gene, Fabry disease was diagnosed. However, there was no particular abnormal finding with regard to the evaluation of non-cutaneous manifestations, a symptom that can occur in the progress of this disease. We reported a case of Fabry disease, restricted to the dermatologic presentation, involving a novel frameshift mutation in the GLA gene.
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Affiliation(s)
- Dae Hun Kim
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
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Abstract
Fabry disease (FD) is a progressive, X-linked inherited disorder of glycosphingolipid metabolism due to deficient or absent lysosomal α-galactosidase A activity. FD is pan-ethnic and the reported annual incidence of 1 in 100,000 may underestimate the true prevalence of the disease. Classically affected hemizygous males, with no residual α-galactosidase A activity may display all the characteristic neurological (pain), cutaneous (angiokeratoma), renal (proteinuria, kidney failure), cardiovascular (cardiomyopathy, arrhythmia), cochleo-vestibular and cerebrovascular (transient ischemic attacks, strokes) signs of the disease while heterozygous females have symptoms ranging from very mild to severe. Deficient activity of lysosomal α-galactosidase A results in progressive accumulation of globotriaosylceramide within lysosomes, believed to trigger a cascade of cellular events. Demonstration of marked α-galactosidase A deficiency is the definitive method for the diagnosis of hemizygous males. Enzyme analysis may occasionnally help to detect heterozygotes but is often inconclusive due to random X-chromosomal inactivation so that molecular testing (genotyping) of females is mandatory. In childhood, other possible causes of pain such as rheumatoid arthritis and 'growing pains' must be ruled out. In adulthood, multiple sclerosis is sometimes considered. Prenatal diagnosis, available by determination of enzyme activity or DNA testing in chorionic villi or cultured amniotic cells is, for ethical reasons, only considered in male fetuses. Pre-implantation diagnosis is possible. The existence of atypical variants and the availability of a specific therapy singularly complicate genetic counseling. A disease-specific therapeutic option - enzyme replacement therapy using recombinant human α-galactosidase A - has been recently introduced and its long term outcome is currently still being investigated. Conventional management consists of pain relief with analgesic drugs, nephroprotection (angiotensin converting enzyme inhibitors and angiotensin receptors blockers) and antiarrhythmic agents, whereas dialysis or renal transplantation are available for patients experiencing end-stage renal failure. With age, progressive damage to vital organ systems develops and at some point, organs may start to fail in functioning. End-stage renal disease and life-threatening cardiovascular or cerebrovascular complications limit life-expectancy of untreated males and females with reductions of 20 and 10 years, respectively, as compared to the general population. While there is increasing evidence that long-term enzyme therapy can halt disease progression, the importance of adjunctive therapies should be emphasized and the possibility of developing an oral therapy drives research forward into active site specific chaperones.
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Affiliation(s)
- Dominique P Germain
- University of Versailles - St Quentin en Yvelines, Faculté de Médecine Paris - Ile de France Ouest (PIFO), 78035 Versailles, France.
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Lee BH, Heo SH, Kim GH, Park JY, Kim WS, Kang DH, Choe KH, Kim WH, Yang SH, Yoo HW. Mutations of the GLA gene in Korean patients with Fabry disease and frequency of the E66Q allele as a functional variant in Korean newborns. J Hum Genet 2010; 55:512-7. [PMID: 20505683 DOI: 10.1038/jhg.2010.58] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fabry disease is caused by an alpha-galactosidase A (GLA) deficiency. In this study, we identified 28 unrelated Korean families with Fabry disease with 25 distinct mutations in the GLA gene including six novel mutations (p.W47X, p.C90X, p.D61EfsX32, IVS4(-11)T>A, p.D322E and p.W349). Notably, five subjects from four unrelated families carried the p.E66Q variant, previously known as a pathogenic mutation in atypical Fabry disease. Among these patients, only one had proteinuria and two had hypertrophic cardiomyopathy without any other systemic manifestation of Fabry disease. Substantial residual GLA activity was shown both in the leukocytes of p.E66Q patients (19.0-30.3% of normal activity) and in transiently overexpressed COS-7 cells (43.8 + or - 3.03% of normal activity). Although GLA harboring p.E66Q is unstable at neutral pH, the enzyme is efficiently expressed in the lysosomes of COS-7 cells. The location of p.E66 is distant from both the active site and the dimer interface, and has a more accessible surface area than have other mutations of atypical Fabry disease. In addition, the allele frequency of p.E66Q determined in 833 unrelated Korean individuals was remarkably high at 1.046% (95% confidence interval, 0.458-1.634%). These results indicate that p.E66Q is a functional polymorphism rather than a pathogenic mutation.
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Sugawara K, Ohno K, Saito S, Sakuraba H. Structural characterization of mutant α-galactosidases causing Fabry disease. J Hum Genet 2008; 53:812-824. [DOI: 10.1007/s10038-008-0316-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2008] [Accepted: 06/06/2008] [Indexed: 12/31/2022]
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Abstract
Fabrazyme has been widely used for treatment of Fabry disease since its approval by the U.S. Food and Drug Administration in 2003. This study was undertaken to assess the short-term efficacy and safety of enzyme replacement therapy (ERT) for Fabry disease in Korea. Eight male patients and three female symptomatic carriers aged 13 to 48 yr were included. Fabrazyme was administered by intravenous infusion at a dose of 1 mg/kg every 2 weeks. Plasma and urine globotriaosylceramide (GL-3) levels, serum creatinine, creatinine clearance, and 24-hr urine protein levels were measured every 3 months. Kidney biopsies, ophthalmologic exams, and pure tone audiometry were performed before and 1 yr after ERT. Kidney function, including serum creatinine, creatinine clearance, and the 24-hr urine protein level, remained stable during ERT. Plasma and urine GL-3 levels were reduced within 3 to 6 months of ERT initiation. Microvascular endothelial deposits of GL-3 were decreased from renal biopsy specimens after 1 yr of treatment. The severity of sensorineural hearing loss and tinnitus did not improve after ERT. ERT is safe and effective in stabilizing renal function and clearing microvascular endothelial GL-3 from kidney biopsy specimen in Korean patients with Fabry disease.
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Affiliation(s)
- Jin-Ho Choi
- Department of Pediatrics, Research Institute for Medical Sciences, Chungnam National University Hospital, College of Medicine, Chungnam National University, Daejeon, Korea
| | - Young Mi Cho
- Department of Pathology, Research Institute for Medical Sciences, Chungnam National University Hospital, College of Medicine, Chungnam National University, Daejeon, Korea
| | - Kwang-Sun Suh
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hye-Ran Yoon
- Medical Genetics Clinic and Laboratory, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Gu-Hwan Kim
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung-Su Kim
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung Min Ko
- Biomedical and Pharmaceutical Analysis Laboratory, Department of Analytical Chemistry, School of Pharmacy, Duksung Women's University, Seoul, Korea
| | - Joo Hoon Lee
- Biomedical and Pharmaceutical Analysis Laboratory, Department of Analytical Chemistry, School of Pharmacy, Duksung Women's University, Seoul, Korea
| | - Young Seo Park
- Biomedical and Pharmaceutical Analysis Laboratory, Department of Analytical Chemistry, School of Pharmacy, Duksung Women's University, Seoul, Korea
| | - Han-Wook Yoo
- Biomedical and Pharmaceutical Analysis Laboratory, Department of Analytical Chemistry, School of Pharmacy, Duksung Women's University, Seoul, Korea
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Abstract
UNLABELLED With recent interest in the molecular mechanisms responsible for Fabry disease, the number of known mutations in the GLA gene which encodes alpha-galactosidase A has expanded considerably. Combining a large database of Fabry disease-causing mutations with the recently determined crystal structure of human alpha-galactosidase A allows for a new understanding of the atomic defects in the protein responsible for Fabry disease. We have conducted a systematic survey of the known Fabry disease-causing mutations and analyzed the mutations in the context of the alpha-galactosidase A structure. We have applied quantitative methods for identifying the plausible effect of each mutation on the alpha-galactosidase A protein. We present the analysis of 331 different defects in the GLA gene leading to non-native proteins in patients with Fabry disease. These mutations include 278 missense mutations, 49 nonsense mutations, and four single amino acid deletions. CONCLUSION Over half of the residues in the protein have been found to have changes in patients with Fabry disease. Most of these genetic mutations lead to disruption of the hydrophobic core of the protein, thus Fabry disease is primarily a disease of protein-folding. Further understanding of alpha-galactosidase A, one of the best studied members of the lysosomal storage disease family, will lead to increased understanding of other lysosomal storage diseases and other protein-folding diseases.
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Affiliation(s)
- Scott C Garman
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, MA 01003, USA.
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Abstract
Enzyme therapy has proven safe and effective in preventing and reversing many manifestations in patients with Gaucher disease. On the basis of this success, enzyme therapy is now becoming a reality for Fabry disease, alpha-galactosidase A deficiency. Two products, agalsidase alpha and beta, have been tested in pivotal trials. The substantial differences between the study structures and outcome measures have made direct comparisons difficult. Here, the strengths and weaknesses of these trials are compared: achievement of stated endpoints, safety and, potential efficacy. In addition, the need for additional long-term data is emphasized because this is not attainable in short-term trials for a chronic disease.
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Affiliation(s)
- Robert J Hopkin
- Division and Program in Human Genetics, Cincinnati Children's Research Foundation, Cincinnati, Ohio 45229-3039, USA
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Sessa A, Meroni M, Battini G, Maglio A, Brambilla PL, Bertella M, Nebuloni M, Pallotti F, Giordano F, Bertagnolio B, Tosoni A. Renal pathological changes in Fabry disease. J Inherit Metab Dis 2001; 24 Suppl 2:66-70; discussion 65. [PMID: 11758681 DOI: 10.1023/a:1012423924648] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Fabry disease is a rare X-linked disorder, characterized by deficient activity of the lysosomal enzyme alpha-galactosidase A. This leads to systemic accumulation of the glycosphingolipid globotriaosylceramide (Gb3) in all body tissues and organs, including the kidney. Renal manifestations are less evident in female heterozygotes than in male hemizygotes, according to the Lyon hypothesis. Accumulation of Gb3 occurs mainly in the epithelial cells of Henle's loop and distal tubule, inducing early impairment in renal concentrating ability; involvement of the proximal tubule induces Fanconi syndrome. All types of glomerular cells are involved, especially podocytes, and glomerular proteinuria may occur at a young age. The evolution of renal Fabry disease is characterized by progressive deterioration of renal function to end-stage renal failure (ESRF). Ultrastructural study of kidney biopsies reveals typical bodies in the cytoplasm of all types of renal cells, characterized by concentric lamellation of clear and dark layers with a periodicity of 35-50 A. Management of progressive renal disease requires dietetic and therapeutic strategies, usually indicated in developing chronic renal failure, with dialysis and renal transplantation required for patients with ESRF. The recent development of enzyme replacement therapy, however, should make it possible to prevent or reverse the progressive renal dysfunction associated with Fabry disease.
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Affiliation(s)
- A Sessa
- Nefrologia e Dialisi, Ospedale di Vimercate, Italia.
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