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Ryan E, Tayebi N, D'Souza A, Lopez G, Lichtenberg J, Sidransky E. Revisiting the diagnosis of Gaucher disease in a family with multiple GBA1 variants. Am J Med Genet A 2023; 191:2647-2650. [PMID: 37449546 DOI: 10.1002/ajmg.a.63345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/22/2023] [Accepted: 06/24/2023] [Indexed: 07/18/2023]
Abstract
Our ability to identify different variants in GBA1, the gene mutated in the lysosomal storage disorder Gaucher disease (GD), has greatly improved. We describe a multigenerational family with type 1 GD initially evaluated over three decades ago. Re-evaluating both the genotype and phenotype, we determined that one family member with genotype N370S/T369M (p.N409S/p.T408M), was likely erroneously diagnosed with GD. This case substantiates that GBA1 variant T369M, while mildly reducing glucocerebrosidase activity, does not result in GD. The observation has clinical relevance as cases with this genotype will increasingly be ascertained through screening programs in newborns and in movement disorder clinics.
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Affiliation(s)
- Emory Ryan
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Nahid Tayebi
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Andrea D'Souza
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Grisel Lopez
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Jens Lichtenberg
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Ellen Sidransky
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
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Glucocerebrosidase variant T369M is not a risk factor for Parkinson's disease in Sweden. Neurosci Lett 2022; 784:136767. [PMID: 35779693 DOI: 10.1016/j.neulet.2022.136767] [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: 04/18/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Genetic variants in the Beta-glucocerebrosidase gene (GBA1) is a known risk factor for Parkinson's disease. The GBA1 mutations L444P, N370S and many other have been shown to associate with the disease in populations with diverse background. Some GBA1 polymorphisms have a less pronounced effect, and their pathogenicity has been debated. We have previously found associations with L444P, N370S and E326K and Parkinson's disease in Sweden. METHOD In this study we used pyrosequencing to genotype the T369M variant in a large Swedish cohort consisting of 1,131 patients with idiopathic Parkinson's disease, and 1,594 control subjects to evaluate the possibility of this variant conferring an increased risk for Parkinson's disease. RESULTS The minor allele frequency was 2.15% in patients and 1.76% in controls. Statistical analysis showed that there was no significant difference in allele frequency between patients and control subjects, p-value 0.37, Odds Ratio 1.23 with a 95% confidence interval of 0.82-1.83. CONCLUSION Our results suggest that T369M is not a risk factor for Parkinson's disease in the Swedish population.
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Senkevich KA, Kopytova AE, Usenko TS, Emelyanov AK, Pchelina SN. Parkinson's Disease Associated with GBA Gene Mutations: Molecular Aspects and Potential Treatment Approaches. Acta Naturae 2021; 13:70-78. [PMID: 34377557 PMCID: PMC8327146 DOI: 10.32607/actanaturae.11031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 09/03/2020] [Indexed: 01/01/2023] Open
Abstract
Parkinson's disease (PD) is a multifactorial neurodegenerative disease. To date, genome-wide association studies have identified more than 70 loci associated with the risk of PD. Variants in the GBA gene encoding glucocerebrosidase are quite often found in PD patients in all populations across the world, which justifies intensive investigation of this gene. A number of biochemical features have been identified in patients with GBA-associated Parkinson's disease (GBA-PD). In particular, these include decreased activity of glucocerebrosidase and accumulation of the glucosylceramide substrate. These features were the basis for putting forward a hypothesis about treatment of GBA-PD using new strategies aimed at restoring glucocerebrosidase activity and reducing the substrate concentration. This paper discusses the molecular and genetic mechanisms of GBA-PD pathogenesis and potential approaches to the treatment of this form of the disease.
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Affiliation(s)
- K. A. Senkevich
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», Saint-Petersburg, 188300 Russia
- First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, 197022 Russia
- Montreal Neurological Institute, McGill University, Montréal, QC, H3A 1A1, Canada
| | - A. E. Kopytova
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», Saint-Petersburg, 188300 Russia
- First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, 197022 Russia
| | - T. S. Usenko
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», Saint-Petersburg, 188300 Russia
- First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, 197022 Russia
| | - A. K. Emelyanov
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», Saint-Petersburg, 188300 Russia
- First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, 197022 Russia
| | - S. N. Pchelina
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», Saint-Petersburg, 188300 Russia
- First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, 197022 Russia
- Institute of Experimental Medicine, St. Petersburg, 197376 Russia
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Mullin S, Hughes D, Mehta A, Schapira AHV. Neurological effects of glucocerebrosidase gene mutations. Eur J Neurol 2018; 26:388-e29. [PMID: 30315684 PMCID: PMC6492454 DOI: 10.1111/ene.13837] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 10/09/2018] [Indexed: 01/08/2023]
Abstract
The association between Gaucher disease (GD) and Parkinson disease (PD) has been described for almost two decades. In the biallelic state (homozygous or compound heterozygous) mutations in the glucocerebrosidase gene (GBA) may cause GD, in which glucosylceramide, the sphingolipid substrate of the glucocerebrosidase enzyme (GCase), accumulates in visceral organs leading to a number of clinical phenotypes. In the biallelic or heterozygous state, GBA mutations increase the risk for PD. Mutations of the GBA allele are the most significant genetic risk factor for idiopathic PD, found in 5%–20% of idiopathic PD cases depending on ethnicity. The neurological consequences of GBA mutations are reviewed and the proposition that GBA mutations result in a disparate but connected range of clinically and pathologically related neurological features is discussed. The literature relating to the clinical, biochemical and genetic basis of GBA PD, type 1 GD and neuronopathic GD is considered highlighting commonalities and distinctions between them. The evidence for a unifying disease mechanism is considered.
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Affiliation(s)
- S Mullin
- Department of Clinical Neuroscience, UCL Institute of Neurology, London, UK.,Institute of Translational and Stratified Medicine, University of Plymouth School of Medicine, Plymouth, UK
| | - D Hughes
- LSD Unit/Department of Haematology, Institute of Immunity and Transplantation, UCL, London, UK
| | - A Mehta
- LSD Unit/Department of Haematology, Institute of Immunity and Transplantation, UCL, London, UK
| | - A H V Schapira
- Department of Clinical Neuroscience, UCL Institute of Neurology, London, UK
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Hassan S, Lopez G, Stubblefield BK, Tayebi N, Sidransky E. Alleles with more than one mutation can complicate genotype/phenotype studies in Mendelian disorders: Lessons from Gaucher disease. Mol Genet Metab 2018; 125:1-3. [PMID: 29980418 PMCID: PMC6178817 DOI: 10.1016/j.ymgme.2018.06.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 06/26/2018] [Accepted: 06/26/2018] [Indexed: 11/19/2022]
Abstract
Autosomal resessive Mendelian disorders usually result from two inherited disease-causing mutations. However, this is not always the case. Focusing on Gaucher disease, which results from mutations in GBA1, we found that more comprehensive genotyping revealed important exceptions. For example, patients with uniparental disomy or new mutations do not inherit a mutation from each parent. Furthermore, we identified patients found to carry more than one GBA1 mutation on the same allele. It is essential to examine the entire GBA1 gene in order to establish an accurate genotype. Missing the second mutation can complicate genotype/phenotype studies and result in improper genetic counseling.
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Affiliation(s)
- Shahzeb Hassan
- Medical Genetics Branch NHGRI, NIH, Bethesda, MD, United States
| | - Grisel Lopez
- Medical Genetics Branch NHGRI, NIH, Bethesda, MD, United States
| | | | - Nahid Tayebi
- Medical Genetics Branch NHGRI, NIH, Bethesda, MD, United States
| | - Ellen Sidransky
- Medical Genetics Branch NHGRI, NIH, Bethesda, MD, United States.
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Senkevich KA, Miliukhina IV, Beletskaia MV, Gracheva EV, Kudrevatykh AV, Nikolaev MA, Emelyanov AK, Kopytova AE, Timofeeva AA, Yakimovskii AF, Pchelina SN. [The clinical features of Parkinson's disease in patients with mutations and polymorphic variants of GBA gene]. Zh Nevrol Psikhiatr Im S S Korsakova 2018; 117:81-86. [PMID: 29171494 DOI: 10.17116/jnevro201711710181-86] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Mutations in the glucocerebrosidase gene (GBA) increase the risk of Parkinson's disease (PD) by 6-10 times in all populations and are associated with the early-onset of PD, development of cognitive impairment and presence of psychotic disorders. At the same time, polymorphic variants associated with the twofold increase in the risk of PD were also described in the GBA gene. AIM To estimate the clinical features of PD in patients with mutations and polymorphic variants of the GBA gene. MATERIAL AND METHODS Evaluation of motor, cognitive, emotional, psychotic and autonomic dysfunctions in patients with mutations (N370S, L444P) and polymorphic variants (E326K, T369M) in the GBA gene was performed using clinical scales. RESULTS Patients with mutations (mGBA-PD), and with polymorphic variants (pGBA-PD) in the GBA gene were compared with the group of patients with sporadic PD (sPD). Compared to sPD, affective disorders (depression and anxiety) were more expressed in the mGBA-PD group (p=0.001) and the general GBA-PD group (p=0.001) assessed with Sheehan anxiety rating scale, in the pGBA-PD group (p=0.012) and the general GBA-PD group (p=0.05) assessed with the NPI, in the mGBA-PD (p=0.003), pGBA-PD (p=0.022), and general GBA-PD groups (p=0.001) assessed with the Hospital Anxiety and Depression scale (HADS 'A'), and in the pGBA-PD group (p=0.005) assessed with the HADS 'D'. Non-motor symptoms assessed with the PD-NMS were more expressed in the pGBA-PD patients (p=0.007) and in the total group with GBA-PD (p=0,014) compared to sPD. Cognitive impairment measured with MMSE was more marked in mGBA-PD patients (p=0.022). Differences in motor and non-motor clinical symptoms between pGBA-PD and mGBA-PD groups were not found. CONCLUSION Thus, clinical features of non-motor symptoms were described both in carriers of GBA mutations and polymorphisms. Identification of the specific clinical phenotype of PD in carriers of GBA polymorphic variants is important due to their relatively high prevalence in PD patients.
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Affiliation(s)
- K A Senkevich
- Institute of Experimental Medicine, St. Petersburg, Russia; Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia; National Research Center 'Kurchatov Institute' Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - I V Miliukhina
- Institute of Experimental Medicine, St. Petersburg, Russia; Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia
| | - M V Beletskaia
- Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia
| | - E V Gracheva
- Institute of Experimental Medicine, St. Petersburg, Russia
| | | | - M A Nikolaev
- Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia; National Research Center 'Kurchatov Institute' Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - A K Emelyanov
- Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia; National Research Center 'Kurchatov Institute' Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - A E Kopytova
- National Research Center 'Kurchatov Institute' Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - A A Timofeeva
- Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia
| | - A F Yakimovskii
- Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia
| | - S N Pchelina
- Institute of Experimental Medicine, St. Petersburg, Russia; Pavlov First Saint Petersburg State Medical University, St. Petersburg, Russia; National Research Center 'Kurchatov Institute' Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
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Pchelina S, Emelyanov A, Baydakova G, Andoskin P, Senkevich K, Nikolaev M, Miliukhina I, Yakimovskii A, Timofeeva A, Fedotova E, Abramycheva N, Usenko T, Kulabukhova D, Lavrinova A, Kopytova A, Garaeva L, Nuzhnyi E, Illarioshkin S, Zakharova E. Oligomeric α-synuclein and glucocerebrosidase activity levels in GBA-associated Parkinson's disease. Neurosci Lett 2016; 636:70-76. [PMID: 27780739 DOI: 10.1016/j.neulet.2016.10.039] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 10/14/2016] [Accepted: 10/20/2016] [Indexed: 12/16/2022]
Abstract
Alpha-synuclein oligomerization plays a key role in the development of Parkinson's disease (PD). Being the most common genetic contributor to PD, glucocerebrosidase 1 (GBA) mutations have been associated with decreased GBA enzymatic activity in PD patients with mutations in the GBA gene (GBA-PD). However, it is unknown whether the activities of other lysosomal hydrolases are being altered in GBA-PD patients and are accompanied by an increase in alpha-synuclein oligomerization. The aim of our study was to estimate GBA enzymatic activity as well as the activities of five other lysosomal hydrolases (galactocerebrosidase, alpha-glucosidase, alpha-galactosidase, sphingomyelinase, alpha-iduronidase) in dried blood spots with assessing plasma oligomeric alpha-synuclein levels in sporadic PD (sPD) patients, in GBA-PD patients and in controls. GBA enzymatic activity and plasma oligomeric alpha-synuclein levels were assessed in sPD patients (N=84), in GBA-PD patients (N=21) and controls (N=62) by LC-MS/MS and ELISA methods accordingly. GBA-PD patients showed lower GBA enzymatic activity compared to controls (p=0.001) and to sPD (p=0.0001). We also found the reduction of GLA enzymatic activity (but not of other lysosomal hydrolases) in GBA-PD (p=0.001). At the same time plasma oligomeric alpha-synuclein levels were increased in GBA-PD group compared to sPD and controls (p=0.002 and p<0.0001, respectively). Our results suggest that the decrease in enzymatic activity of lysosomal hydrolases in GBA mutation carriers may contribute to PD pathogenesis by increasing the level of neurotoxic oligomeric alpha-synuclein species.
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Affiliation(s)
- S Pchelina
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia; First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia; St. Petersburg Academic University-Nanothecnology Research and Education Centre, RAS, St. Petersburg, Russia; Institute of Experimental Medicine, St. Petersburg, Russia.
| | - A Emelyanov
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia; First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia; St. Petersburg Academic University-Nanothecnology Research and Education Centre, RAS, St. Petersburg, Russia
| | - G Baydakova
- Research Center of Medical Genetics, Moscow, Russia
| | - P Andoskin
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - K Senkevich
- First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia; Institute of Experimental Medicine, St. Petersburg, Russia
| | - M Nikolaev
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia; First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia
| | - I Miliukhina
- First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia; Institute of Experimental Medicine, St. Petersburg, Russia
| | - A Yakimovskii
- First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia
| | - A Timofeeva
- First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia
| | - E Fedotova
- Research Centre of Neurology, Moscow, Russia
| | | | - T Usenko
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia; First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia
| | - D Kulabukhova
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - A Lavrinova
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - A Kopytova
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - L Garaeva
- Petersburg Nuclear Physics Institute, St. Petersburg, Russia
| | - E Nuzhnyi
- First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia; Research Centre of Neurology, Moscow, Russia
| | | | - E Zakharova
- Research Center of Medical Genetics, Moscow, Russia
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Dandana A, Ben Khelifa S, Chahed H, Miled A, Ferchichi S. Gaucher Disease: Clinical, Biological and Therapeutic Aspects. Pathobiology 2015; 83:13-23. [PMID: 26588331 DOI: 10.1159/000440865] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 09/02/2015] [Indexed: 11/19/2022] Open
Abstract
We present a brief review of Gaucher disease (GD), the most common lysosomal storage disease. GD is a rare autosomal recessive disorder characterized by the defective function of the catabolic enzyme β-glucocerebrosidase (GBA), leading to an accumulation of its substrate, glucocerebroside. Clinical signs and symptoms include neurological dysfunctions, bone infarcts and malformations, hepatosplenomegaly and hypersplenism leading to anemia, neutropenia and thrombocytopenia. Enzyme replacement therapy with recombinant GBA is the mainstay of treatment for GD, which became the first successfully managed lipid storage disease. Future treatments may include oral enzyme replacement and/or gene therapy interventions.
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Affiliation(s)
- Azza Dandana
- Laboratory of Biochemistry, Farhat Hached Hospital, Sousse, Tunisia
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Han F, Grimes DA, Li F, Wang T, Yu Z, Song N, Wu S, Racacho L, Bulman DE. Mutations in the glucocerebrosidase gene are common in patients with Parkinson's disease from Eastern Canada. Int J Neurosci 2015; 126:415-21. [PMID: 26000814 DOI: 10.3109/00207454.2015.1023436] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Mutations in the β-glucocerebrosidase gene (GBA) have been implicated as a risk factor for Parkinson's disease (PD). However, GBA mutations in PD patients of different ethnic origins were reported to be inconsistent. METHODS We sequenced all exons of the GBA gene in 225 PD patients and 110 control individuals from Eastern Canada. RESULT Two novel GBA variants of c.-119 A/G and S(-35)N, five known GBA mutations of R120W, N370S, L444P, RecNciI and RecTL mutation (del55/D409H/RecNciI) as well as two non-pathological variants of E326K and T369M were identified from PD patients while only one mutation of S13L and two non-pathological variants of E326K and T369M were found in the control individuals. The frequency of GBA mutations within PD patients (4.4%) is 4.8 times higher than the 0.91% observed in control individuals (X(2) = 2.91, p = 0.088; odds ratio = 4.835; 95% confidence interval = 2.524-9.123). The most common mutations of N370S and L444P accounted for 36.0% (9/25) of all the GBA mutations in this Eastern Canadian PD cohort. The frequency (6.67%) of E326K and T369M in PD patients is comparable to 7.27% in control individuals (X(2) = 0.042, p = 0.8376), further supporting that these two variants have no pathological effects on PD. Phenotype analysis showed that no significant difference in family history, age at onset and cognitive impairment was identified between the GBA mutation carriers and non-GBA mutation carriers. CONCLUSION GBA mutations were found to be a common genetic risk factor for PD in Eastern Canadian patients.
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Affiliation(s)
- Fabin Han
- a 1 Centre for Stem cells and Regenerative Medicine, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China.,b 2 Department of Neurology, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China
| | - David A Grimes
- c 3 Department of Medicine, The Ottawa Hospital , University of Ottawa , Ottawa , Canada
| | - Fang Li
- c 3 Department of Medicine, The Ottawa Hospital , University of Ottawa , Ottawa , Canada
| | - Ting Wang
- a 1 Centre for Stem cells and Regenerative Medicine, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China
| | - Zhe Yu
- a 1 Centre for Stem cells and Regenerative Medicine, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China
| | - Na Song
- a 1 Centre for Stem cells and Regenerative Medicine, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China
| | - Shichao Wu
- a 1 Centre for Stem cells and Regenerative Medicine, The Affiliated Liaocheng Hospital/Liaocheng People's Hospital , Taishan Medical University , Liaocheng , China
| | - Lemuel Racacho
- d 4 Department of Pediatrics, Children's Hospital of Eastern Ontario Research Institute , University of Ottawa , Ottawa , Canada
| | - Dennis E Bulman
- d 4 Department of Pediatrics, Children's Hospital of Eastern Ontario Research Institute , University of Ottawa , Ottawa , Canada
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Noyce AJ, Mencacci NE, Schrag A, Bestwick JP, Giovannoni G, Lees AJ, Hardy J. Web-based assessment of Parkinson's prodromal markers identifies GBA variants. Mov Disord 2015; 30:1002-3. [PMID: 25970725 DOI: 10.1002/mds.26249] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 03/24/2015] [Accepted: 03/29/2015] [Indexed: 11/08/2022] Open
Affiliation(s)
- Alastair J Noyce
- Reta Lila Weston Institute, UCL Institute of Neurology.,Department of Molecular Neuroscience, UCL Institute of Neurology
| | | | - Anette Schrag
- Department of Clinical Neuroscience, UCL Institute of Neurology
| | | | - Gavin Giovannoni
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London
| | - Andrew J Lees
- Reta Lila Weston Institute, UCL Institute of Neurology.,Department of Molecular Neuroscience, UCL Institute of Neurology
| | - John Hardy
- Reta Lila Weston Institute, UCL Institute of Neurology.,Department of Molecular Neuroscience, UCL Institute of Neurology
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Complexity of Genotype-Phenotype Correlations in Mendelian Disorders: Lessons from Gaucher Disease. Rare Dis 2015. [DOI: 10.1007/978-94-017-9214-1_6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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12
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Srulijes K, Hauser AK, Guella I, Asselta R, Brockmann K, Schulte C, Soldà G, Cilia R, Maetzler W, Schols L, Wenning GK, Poewe W, Barone P, Wüllner U, Oertel W, Berg D, Goldwurm S, Gasser T. No association of GBA mutations and multiple system atrophy. Eur J Neurol 2013; 20:e61-2. [PMID: 23490118 DOI: 10.1111/ene.12086] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2012] [Accepted: 11/30/2012] [Indexed: 11/28/2022]
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13
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Siebert M, Donis KC, Socal M, Rieder CRM, Emmel VE, Vairo F, Michelin-Tirelli K, França M, D'Abreu AC, Bettencourt C, Lima M, Lopes Cendes I, Saraiva-Pereira ML, Jardim LB. Glucocerebrosidase gene variants in parkinsonian patients with Machado Joseph/spinocerebellar ataxia 3. Parkinsonism Relat Disord 2011; 18:185-90. [PMID: 22001711 DOI: 10.1016/j.parkreldis.2011.09.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 09/19/2011] [Accepted: 09/28/2011] [Indexed: 01/24/2023]
Abstract
UNLABELLED Machado-Joseph disease/spinocerebellar ataxia type 3 (MJD/SCA3) may rarely presents a parkinsonian phenotype. Considering that mutations in the glucocerebrosidase (GBA) gene have been associated with Parkinson disease, we investigated whether these would be more prevalent in MJD/SCA3 patients with parkinsonian manifestations than in those without them. METHODS MJD/SCA3 patients with parkinsonian features were identified and compared to relatives and to a MJD/SCA3 control group with no such features. The GBA gene was sequenced and, in a subset of patients and in normal volunteers, GBA enzyme activity was measured. RESULTS We have identified nine index MJD/SCA3 patients with parkinsonian manifestations. Overall, GBA sequence variations were found in 3/9 MJD/SCA3 index cases with parkinsonian manifestations (33%) and in 0/40 MJD/SCA3 controls without parkinsonism (p=0.03, Fisher exact test). The GBA sequence variations found were p.K(-27)R, p.E326K, and p.T369M. The latter two sequence variations were also found in two symptomatic relatives with no parkinsonian manifestations. A MJD/SCA3 relative belonging to the first positive pedigree and carrier of the p.K(-27)R mutation also presented parkinsonian manifestations. GBA activity in MJD/SCA3 patients was similar to those found in the normal control group. CONCLUSION Sequence variations at the GBA gene may play a role as a minor, modifying gene of MJD/SCA3 phenotype. This hypothetical role was not related to changes in GBA activity in peripheral leukocytes.
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Affiliation(s)
- M Siebert
- Biotechnology Centre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Moraitou M, Hadjigeorgiou G, Monopolis I, Dardiotis E, Bozi M, Vassilatis D, Vilageliu L, Grinberg D, Xiromerisiou G, Stefanis L, Michelakakis H. β-Glucocerebrosidase gene mutations in two cohorts of Greek patients with sporadic Parkinson's disease. Mol Genet Metab 2011; 104:149-52. [PMID: 21745757 DOI: 10.1016/j.ymgme.2011.06.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 06/17/2011] [Accepted: 06/17/2011] [Indexed: 11/16/2022]
Abstract
An increasing number of clinical, neuropathological and experimental evidence linking Gaucher disease and a spectrum of synucleinopathies, including Parkinson's disease (PD) has emerged over the last decade. In particular, several studies, despite individual differences, have shown that mutations in the β-glucocerebrosidase gene (GBA) are a risk factor for PD. Recently a study from Northern Greece has shown a significant overrepresentation of such mutations only in patients with early onset PD. In the present study 8 different GBA mutations covering 87% of the mutations identified in Gaucher disease patients diagnosed in Greece were investigated in two ethnic Greek cohorts of patients with sporadic Parkinson's disease. Cohort A included patients residing and originating from Thessaly, Central Greece (n=100) and cohort B included patients residing and/or originating from the greater area of Athens (n=105). Age-gender-ethnicity matched healthy individuals from the same areas were included as controls (n=206). In patients of cohort A 11 carriers of GBA mutations were identified (5/11:N370S, 2/11:L444P, 2/11: D409H;H255Q, 1/11:H255Q, 1/11D409H) as opposed to 3 in the controls (n=105) (1/3:N370S, 1/3:H255Q, 1/3:Y108C) (p=0.021, OR 4.2, 95% CI=1.14-15.54). In patients of cohort B 10 carriers of GBA mutations were identified (4/10:L444P, 4/10:D409H;H255Q, 1/10:N370S, 1/10:IVS10-1G→A) as opposed to 4 in controls (n=101) (3/4:N370S, 1/4:L444P). However the difference was not statistically significant (p=0.113, OR 2.5, 95% CI=0.77-8.42). In both cohorts, patients with PD harboring a GBA mutation had an earlier onset of symptoms than non-carriers (p=0.034, p=0.004). The overall difference in the number of carriers identified in PD patients and controls was statistically significant (p=0.006; OR 3.24; 95% CI=1.35-7.81). The association was reinforced in the early onset PD patients (EOPD; n=28, p=0.000, OR 11.37; 95% CI=3.73-34.6). In conclusion GBA mutations were identified with increased frequency in both geographical cohorts of patients with sporadic PD studied compared to control individuals, with the difference being statistically significant only in cohort A. An impressive association with EOPD was found and one third of the EOPD patients examined harbored a GBA mutation. Qualitative differences regarding the type of mutations and/or their relative frequencies were observed between cohorts A and B of PD patients. Genetic and/or environmental factors may account for the observed differences.
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Affiliation(s)
- Marina Moraitou
- Department of Enzymology and Cellular Function, Institute of Child Health, Athens, Greece
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Hruska KS, LaMarca ME, Scott CR, Sidransky E. Gaucher disease: mutation and polymorphism spectrum in the glucocerebrosidase gene (GBA). Hum Mutat 2008; 29:567-83. [DOI: 10.1002/humu.20676] [Citation(s) in RCA: 463] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ziegler SG, Eblan MJ, Gutti U, Hruska KS, Stubblefield BK, Goker-Alpan O, LaMarca ME, Sidransky E. Glucocerebrosidase mutations in Chinese subjects from Taiwan with sporadic Parkinson disease. Mol Genet Metab 2007; 91:195-200. [PMID: 17462935 PMCID: PMC1950300 DOI: 10.1016/j.ymgme.2007.03.004] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2007] [Accepted: 03/09/2007] [Indexed: 11/16/2022]
Abstract
BACKGROUND An association between glucocerebrosidase, the enzyme deficient in Gaucher disease, and the synucleinopathies has been suggested both by the development of parkinsonism in Gaucher probands and carriers, as well as by the presence of mutations in the gene for glucocerebrosidase (GBA) in different series of subjects with synucleinopathies. In this study, an open access Parkinson repository was used to establish the incidence of GBA alterations in a different ethnic cohort with sporadic Parkinson disease (PD). METHODS The glucocerebrosidase gene was sequenced in samples collected from 92 Chinese Parkinson disease patients from Taiwan along with 92 clinically screened controls, matched for age and ethnicity. FINDINGS The frequency of GBA mutations among the Chinese PD probands was 4.3%, in contrast to 1.1% in Chinese controls. Mutant alleles identified included two known mutations, L444P and D409H, and two novel mutations, L174P and Q497R. INTERPRETATION These results, ascertained in subjects from Taiwan collected in a standardized and clinically rigorous open access Parkinson disease repository and screened by direct sequencing of GBA, demonstrate that GBA mutations are also encountered in Chinese subjects with sporadic PD at a higher frequency than many other known PD genes. The study demonstrates that the association of GBA mutations with the development of parkinsonian pathology is not related to ethnic origin.
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Affiliation(s)
| | | | | | | | | | | | | | - Ellen Sidransky
- *Corresponding author: Ellen Sidransky M.D., Chief, Section on Molecular Neurogenetics, Medical Genetics Branch, National Human Genome Research Institute, Building 35, Room 1A213, 35 Convent Drive, MSC 3708, Bethesda, MD 20892-3708, Phone 301-451-0901 or 301-496-0373 Fax 301-402-6438,
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Beutler E, Gelbart T, Scott CR. Hematologically important mutations: Gaucher disease. Blood Cells Mol Dis 2005; 35:355-64. [PMID: 16185900 DOI: 10.1016/j.bcmd.2005.07.005] [Citation(s) in RCA: 116] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2005] [Accepted: 07/12/2005] [Indexed: 11/22/2022]
Affiliation(s)
- Ernest Beutler
- The Scripps Research Institute, Department of Molecular and Experimental Medicine, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
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