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Huq A, Thompson B, Winship I. Clinical application of whole genome sequencing in young onset dementia: challenges and opportunities. Expert Rev Mol Diagn 2024; 24:659-675. [PMID: 39135326 DOI: 10.1080/14737159.2024.2388765] [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: 04/25/2024] [Accepted: 08/01/2024] [Indexed: 08/30/2024]
Abstract
INTRODUCTION Young onset dementia (YOD) by its nature is difficult to diagnose. Despite involvement of multidisciplinary neurogenetics services, patients with YOD and their families face significant diagnostic delays. Genetic testing for people with YOD currently involves a staggered, iterative approach. There is currently no optimal single genetic investigation that simultaneously identifies the different genetic variants resulting in YOD. AREAS COVERED This review discusses the advances in clinical genomic testing for people with YOD. Whole genome sequencing (WGS) can be employed as a 'one stop shop' genomic test for YOD. In addition to single nucleotide variants, WGS can reliably detect structural variants, short tandem repeat expansions, mitochondrial genetic variants as well as capture single nucleotide polymorphisms for the calculation of polygenic risk scores. EXPERT OPINION WGS, when used as the initial genetic test, can enhance the likelihood of a precision diagnosis and curtail the time taken to reach this. Finding a clinical diagnosis using WGS can reduce invasive and expensive investigations and could be cost effective. These advances need to be balanced against the limitations of the technology and the genetic counseling needs for these vulnerable patients and their families.
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Affiliation(s)
- Aamira Huq
- Department of Genomic Medicine, Royal Melbourne Hospital, Parkville, Victoria, Australia
- Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
| | - Bryony Thompson
- Department of Medicine, Royal Melbourne Hospital, Parkville, Victoria, Australia
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Ingrid Winship
- Department of Genomic Medicine, Royal Melbourne Hospital, Parkville, Victoria, Australia
- Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
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Weber JJ, Czisch L, Pereira Sena P, Fath F, Huridou C, Schwarz N, Incebacak Eltemur RD, Würth A, Weishäupl D, Döcker M, Blumenstock G, Martins S, Sequeiros J, Rouleau GA, Jardim LB, Saraiva-Pereira ML, França MC, Gordon CR, Zaltzman R, Cornejo-Olivas MR, van de Warrenburg BPC, Durr A, Brice A, Bauer P, Klockgether T, Schöls L, Riess O, Schmidt T. The parkin V380L variant is a genetic modifier of Machado-Joseph disease with impact on mitophagy. Acta Neuropathol 2024; 148:14. [PMID: 39088078 PMCID: PMC11294389 DOI: 10.1007/s00401-024-02762-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 08/02/2024]
Abstract
Machado-Joseph disease (MJD) is an autosomal dominant neurodegenerative spinocerebellar ataxia caused by a polyglutamine-coding CAG repeat expansion in the ATXN3 gene. While the CAG length correlates negatively with the age at onset, it accounts for approximately 50% of its variability only. Despite larger efforts in identifying contributing genetic factors, candidate genes with a robust and plausible impact on the molecular pathogenesis of MJD are scarce. Therefore, we analysed missense single nucleotide polymorphism variants in the PRKN gene encoding the Parkinson's disease-associated E3 ubiquitin ligase parkin, which is a well-described interaction partner of the MJD protein ataxin-3, a deubiquitinase. By performing a correlation analysis in the to-date largest MJD cohort of more than 900 individuals, we identified the V380L variant as a relevant factor, decreasing the age at onset by 3 years in homozygous carriers. Functional analysis in an MJD cell model demonstrated that parkin V380L did not modulate soluble or aggregate levels of ataxin-3 but reduced the interaction of the two proteins. Moreover, the presence of parkin V380L interfered with the execution of mitophagy-the autophagic removal of surplus or damaged mitochondria-thereby compromising cell viability. In summary, we identified the V380L variant in parkin as a genetic modifier of MJD, with negative repercussions on its molecular pathogenesis and disease age at onset.
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Affiliation(s)
- Jonasz J Weber
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
- Department of Human Genetics, Ruhr University Bochum, 44801, Bochum, Germany
| | - Leah Czisch
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Priscila Pereira Sena
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Florian Fath
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
- Department of Human Genetics, Ruhr University Bochum, 44801, Bochum, Germany
| | - Chrisovalantou Huridou
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
- Department of Human Genetics, Ruhr University Bochum, 44801, Bochum, Germany
| | - Natasa Schwarz
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Rana D Incebacak Eltemur
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
- Department of Human Genetics, Ruhr University Bochum, 44801, Bochum, Germany
| | - Anna Würth
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Daniel Weishäupl
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Miriam Döcker
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Gunnar Blumenstock
- Department of Clinical Epidemiology and Applied Biometry, University of Tübingen, 72076, Tübingen, Germany
| | - Sandra Martins
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal
- IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, 4200-135, Porto, Portugal
| | - Jorge Sequeiros
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal
- ICBAS School of Medicine and Biomedical Sciences, University of Porto, 4050-313, Porto, Portugal
| | - Guy A Rouleau
- Department of Neurology and Neurosurgery and The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, H3A 1A1, Canada
| | - Laura Bannach Jardim
- Departamento de Medicina Interna, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90035-903, Brazil
- Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, 90035-903, Brazil
| | - Maria-Luiza Saraiva-Pereira
- Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, 90035-903, Brazil
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90035-003, Brazil
| | - Marcondes C França
- Universidade Estadual de Campinas (UNICAMP), Campinas, 13083-970, Brazil
| | - Carlos R Gordon
- Department of Neurology, Tel Aviv University, 69978, Tel Aviv, Israel
| | - Roy Zaltzman
- Department of Neurology, Tel Aviv University, 69978, Tel Aviv, Israel
| | - Mario R Cornejo-Olivas
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurológicas, 15003, Lima, Peru
- Neurogenetics Working Group, Universidad Científica del Sur, 15067, Lima, Peru
| | - Bart P C van de Warrenburg
- Department of Neurology, Donders Institute for Brain, Cognition, and Behaviour, Radboud University Medical Center, 6525, Nijmegen, The Netherlands
| | - Alexandra Durr
- Department of Genetics and Cytogenetics, 4 AP-HP, Groupe Hospitalier Pitié-Salpêtrière, 75013, Paris, France
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, APHP, University Hospital Pitié-Salpêtrière, 75013, Paris, France
| | - Alexis Brice
- Department of Genetics and Cytogenetics, 4 AP-HP, Groupe Hospitalier Pitié-Salpêtrière, 75013, Paris, France
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, APHP, University Hospital Pitié-Salpêtrière, 75013, Paris, France
| | - Peter Bauer
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
- Centogene GmbH, 18055, Rostock, Germany
- Clinic for Internal Medicine, Department of Hematology, Oncology, Palliative Medicine, University Medicine Rostock, 18057, Rostock, Germany
| | - Thomas Klockgether
- German Center for Neurodegenerative Diseases (DZNE), 53127, Bonn, Germany
- Department of Neurology, University Hospital Bonn, 53127, Bonn, Germany
| | - Ludger Schöls
- Department of Neurology and Hertie-Institute for Clinical Brain Research, University of Tübingen, 72076, Tübingen, Germany
- German Center of Neurodegenerative Diseases (DZNE), 72076, Tübingen, Germany
| | - Olaf Riess
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany
| | - Thorsten Schmidt
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany.
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Koros C, Simitsi AM, Papagiannakis N, Bougea A, Antonelou R, Pachi I, Sfikas E, Stanitsa E, Angelopoulou E, Constantinides VC, Papageorgiou SG, Potagas C, Stamelou M, Stefanis L. Precision Dopaminergic Treatment in a Cohort of Parkinson's Disease Patients Carrying Autosomal Recessive Gene Variants: Clinical Cohort Data and a Mini Review. Neurol Int 2024; 16:833-844. [PMID: 39195564 DOI: 10.3390/neurolint16040062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 07/24/2024] [Accepted: 07/27/2024] [Indexed: 08/29/2024] Open
Abstract
INTRODUCTION Parkinson's disease (PD) patients harboring recessive gene variants exhibit a distinct clinical phenotype with an early disease onset and relatively mild symptoms. Data concerning individualized therapy for autosomal recessive PD forms are still scarce. METHODS Demographic and treatment data of a cohort of PD carriers of recessive genes (nine homozygous or compound heterozygous PRKN carriers, four heterozygous PRKN carriers, and three biallelic PINK1 carriers) were evaluated. RESULTS The average levodopa equivalent daily dose (LEDD) was 806.8 ± 453.5 (range 152-1810) in PRKN carriers and 765 ± 96.6 (range 660-850) in PINK1 carriers. The majority responded to low/moderate doses of levodopa. The response to dopamine agonists (DAs) was often favorable both as initial and longitudinal therapy. In total, 8/13 PRKN and 1/3 PINK1 carriers were treated with amantadine successfully, and this also applied to patients who could not tolerate levodopa or DAs. CONCLUSIONS In the era of personalized treatment, the therapeutic approach in recessive PD gene carriers might differ as compared to idiopathic PD. Lower LEDD doses were efficient even in patients with a very long disease duration, while a few patients were doing well without any levodopa treatment decades after disease initiation. DAs or amantadine could be used as a first and main line treatment regimen if well tolerated. Literature data on therapeutic strategies in carriers of pathogenic mutations in recessive PD genes, including device-aided treatments, will be further discussed.
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Affiliation(s)
- Christos Koros
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Athina-Maria Simitsi
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Nikolaos Papagiannakis
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Anastasia Bougea
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Roubina Antonelou
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Ioanna Pachi
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Evangelos Sfikas
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Evangelia Stanitsa
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Efthalia Angelopoulou
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Vasilios C Constantinides
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Sokratis G Papageorgiou
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Constantin Potagas
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | | | - Leonidas Stefanis
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
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Nabizadeh F, Seyedmirzaei H, Rafiei N, Maryam Vafaei S, Shekouh D, Mehrtabar E, Mirzaaghazadeh E, Mirzaasgari Z. Global prevalence and incidence of Young Onset Parkinson's disease: A systematic review and meta-analysis. J Clin Neurosci 2024; 125:59-67. [PMID: 38754241 DOI: 10.1016/j.jocn.2024.05.015] [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: 10/04/2023] [Revised: 04/20/2024] [Accepted: 05/10/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND There is a lack of enough evidence regarding the epidemiology of Young-onset Parkinson's disease (YOPD) which is needed by clinicians and healthcare policymakers. AIM Herein, in this systematic review and meta-analysis, we aimed to estimate the global prevalence and incidence rates of YOPD. METHODS We searched the literature in PubMed, Scopus, and Web of Science in May 2022. We included retrospective, prospective, cross-sectional observational population-based studies that reported the prevalence or incidence of PD in individuals younger than 40 years with known diagnostic criteria. RESULTS After two-step screening, 50 studies were eligible to be included in our study. The age-standardized prevalence of YOPD was 10.2 per 100,000 persons globally while it was 14.7 per 100,000 population in European countries. Age-standardized prevalence estimates for 5-year age bands showed that the YOPD prevalence estimates varied from 6.1 per 100,000 population in the group aged 20-24 to 16.1 per 100,000 population in the group aged 35-39. Also, the age-standardized incidence of YOPD was 1.3 per 100,000 person-years population worldwide and 1.2 per 100,000 person-years in the European population. CONCLUSION Based on this systematic review and meta-analysis, the overall prevalence of YOPD is 10.2 per 100,000 population, although estimates of the prevalence and incidence in low-income countries remain scarce. To improve monitoring and certain diagnoses of YOPD, healthcare providers and policymakers should be aware that much more effective tools are required.
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Affiliation(s)
- Fardin Nabizadeh
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Homa Seyedmirzaei
- School of Medicine, Tehran University of Medical Science, Tehran, Iran; Interdisciplinary Neuroscience Research Program (INRP) , Tehran University of Medical Sciences, Tehran, Iran
| | - Nazanin Rafiei
- Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Dorsa Shekouh
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ehsan Mehrtabar
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | | | - Zahra Mirzaasgari
- Department of Neurology, Firoozgar Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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5
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Daida K, Yoshino H, Malik L, Baker B, Ishiguro M, Genner R, Paquette K, Li Y, Nishioka K, Masuzugawa S, Hirano M, Takahashi K, Kolmogolv M, Billingsley KJ, Funayama M, Blauwendraat C, Hattori N. The Utility of Long-Read Sequencing in Diagnosing Genetic Autosomal Recessive Parkinson's Disease: a genetic screening study. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.06.14.24308784. [PMID: 39108517 PMCID: PMC11302705 DOI: 10.1101/2024.06.14.24308784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Background Mutations within the genes PRKN and PINK1 are the leading cause of early onset autosomal recessive Parkinson's disease (PD). However, the genetic cause of most early-onset PD (EOPD) cases still remains unresolved. Long-read sequencing has successfully identified many pathogenic structural variants that cause disease, but this technology has not been widely applied to PD. We recently identified the genetic cause of EOPD in a pair of monozygotic twins by uncovering a complex structural variant that spans over 7 Mb, utilizing Oxford Nanopore Technologies (ONT) long-read sequencing. In this study, we aimed to expand on this and assess whether a second variant could be detected with ONT long-read sequencing in other unresolved EOPD cases reported to carry one heterozygous variant in PRKN or PINK1. Methods ONT long-read sequencing was performed on patients with one reported PRKN/PINK1 pathogenic variant. EOPD patients with an age at onset younger than 50 were included in this study. As a positive control, we also included EOPD patients who had already been identified to carry two known PRKN pathogenic variants. Initial genetic testing was performed using either short-read targeted panel sequencing for single nucleotide variants and multiplex ligation-dependent probe amplification (MLPA) for copy number variants. Results 48 patients were included in this study (PRKN "one-variant" n = 24, PINK1 "one-variant" n = 12, PRKN "two-variants" n = 12). Using ONT long-read sequencing, we detected a second pathogenic variant in six PRKN "one-variant" patients (26%, 6/23) but none in the PINK1 "one-variant" patients (0%, 0/12). Long-read sequencing identified one case with a complex inversion, two instances of structural variant overlap, and three cases of duplication. In addition, in the positive control PRKN "two-variants" group, we were able to identify both pathogenic variants in PRKN in all the patients (100%, 12/12). Conclusions This data highlights that ONT long-read sequencing is a powerful tool to identify a pathogenic structural variant at the PRKN locus that is often missed by conventional methods. Therefore, for cases where conventional methods fail to detect a second variant for EOPD, long-read sequencing should be considered as an alternative and complementary approach.
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Affiliation(s)
- Kensuke Daida
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Department of Neurology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Hiroyo Yoshino
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Laksh Malik
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Breeana Baker
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Mayu Ishiguro
- Department of Neurology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Rylee Genner
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Kimberly Paquette
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Yuanzhe Li
- Department of Neurology, Faculty of Medicine, Juntendo University, Tokyo, Japan
- Department of Diagnosis, Prevention and Treatment of Dementia, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kenya Nishioka
- Department of Neurology, Juntendo Tokyo Koto Geriatric Medical Center, Koto-ku, Tokyo, Japan
| | | | - Makito Hirano
- Department of Neurology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Kenta Takahashi
- Division of Neurology and Gerontology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Mikhail Kolmogolv
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Kimberley J Billingsley
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Manabu Funayama
- Department of Neurology, Faculty of Medicine, Juntendo University, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Cornelis Blauwendraat
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Nobutaka Hattori
- Department of Neurology, Faculty of Medicine, Juntendo University, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Neurodegenerative Disorders Collaborative Laboratory, RIKEN Center for Brain Science, Wako, Saitama, Japan
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Watzlawik JO, Fiesel FC, Fiorino G, Bustillos BA, Baninameh Z, Markham BN, Hou X, Hayes CS, Bredenberg JM, Kurchaba NW, Fričová D, Siuda J, Wszolek ZK, Noda S, Sato S, Hattori N, Prasad AA, Kirik D, Fox HS, Stauch KL, Goldberg MS, Springer W. Basal activity of PINK1 and PRKN in cell models and rodent brain. Autophagy 2024; 20:1147-1158. [PMID: 38041584 PMCID: PMC11135862 DOI: 10.1080/15548627.2023.2286414] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 11/15/2023] [Indexed: 12/03/2023] Open
Abstract
The ubiquitin kinase-ligase pair PINK1-PRKN recognizes and transiently labels damaged mitochondria with ubiquitin phosphorylated at Ser65 (p-S65-Ub) to mediate their selective degradation (mitophagy). Complete loss of PINK1 or PRKN function unequivocally leads to early-onset Parkinson disease, but it is debated whether impairments in mitophagy contribute to disease later in life. While the pathway has been extensively studied in cell culture upon acute and massive mitochondrial stress, basal levels of activation under endogenous conditions and especially in vivo in the brain remain undetermined. Using rodent samples, patient-derived cells, and isogenic neurons, we here identified age-dependent, brain region-, and cell type-specific effects and determined expression levels and extent of basal and maximal activation of PINK1 and PRKN. Our work highlights the importance of defining critical risk and therapeutically relevant levels of PINK1-PRKN signaling which will further improve diagnosis and prognosis and will lead to better stratification of patients for future clinical trials.
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Affiliation(s)
| | - Fabienne C. Fiesel
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
- Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL, USA
| | - Gabriella Fiorino
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
- Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL, USA
| | | | - Zahra Baninameh
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Xu Hou
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Caleb S. Hayes
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | | | - Joanna Siuda
- Department of Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | | | - Sachiko Noda
- Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shigeto Sato
- Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Asheeta A. Prasad
- Faculty of Medicine and Health, School of Medical Sciences, University of Sydney, Sydney, NSW, Australia
| | - Deniz Kirik
- Faculty of Medicine and Health, School of Medical Sciences, University of Sydney, Sydney, NSW, Australia
- Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Howard S. Fox
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Kelly L. Stauch
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Matthew S. Goldberg
- Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Wolfdieter Springer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
- Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL, USA
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Miano-Burkhardt A, Alvarez Jerez P, Daida K, Bandres Ciga S, Billingsley KJ. The Role of Structural Variants in the Genetic Architecture of Parkinson's Disease. Int J Mol Sci 2024; 25:4801. [PMID: 38732020 PMCID: PMC11084710 DOI: 10.3390/ijms25094801] [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: 03/20/2024] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Parkinson's disease (PD) significantly impacts millions of individuals worldwide. Although our understanding of the genetic foundations of PD has advanced, a substantial portion of the genetic variation contributing to disease risk remains unknown. Current PD genetic studies have primarily focused on one form of genetic variation, single nucleotide variants (SNVs), while other important forms of genetic variation, such as structural variants (SVs), are mostly ignored due to the complexity of detecting these variants with traditional sequencing methods. Yet, these forms of genetic variation play crucial roles in gene expression and regulation in the human brain and are causative of numerous neurological disorders, including forms of PD. This review aims to provide a comprehensive overview of our current understanding of the involvement of coding and noncoding SVs in the genetic architecture of PD.
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Affiliation(s)
- Abigail Miano-Burkhardt
- Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD 20892, USA; (A.M.-B.); (K.D.)
- Center for Alzheimer’s and Related Dementias, National Institute on Aging, Bethesda, MD 20892, USA; (P.A.J.); (S.B.C.)
| | - Pilar Alvarez Jerez
- Center for Alzheimer’s and Related Dementias, National Institute on Aging, Bethesda, MD 20892, USA; (P.A.J.); (S.B.C.)
| | - Kensuke Daida
- Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD 20892, USA; (A.M.-B.); (K.D.)
- Center for Alzheimer’s and Related Dementias, National Institute on Aging, Bethesda, MD 20892, USA; (P.A.J.); (S.B.C.)
| | - Sara Bandres Ciga
- Center for Alzheimer’s and Related Dementias, National Institute on Aging, Bethesda, MD 20892, USA; (P.A.J.); (S.B.C.)
| | - Kimberley J. Billingsley
- Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD 20892, USA; (A.M.-B.); (K.D.)
- Center for Alzheimer’s and Related Dementias, National Institute on Aging, Bethesda, MD 20892, USA; (P.A.J.); (S.B.C.)
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Hamidpour SK, Amiri M, Ketabforoush AHME, Saeedi S, Angaji A, Tavakol S. Unraveling Dysregulated Cell Signaling Pathways, Genetic and Epigenetic Mysteries of Parkinson's Disease. Mol Neurobiol 2024:10.1007/s12035-024-04128-1. [PMID: 38573414 DOI: 10.1007/s12035-024-04128-1] [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: 12/16/2023] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
Parkinson's disease (PD) is a prevalent and burdensome neurodegenerative disorder that has been extensively researched to understand its complex etiology, diagnosis, and treatment. The interplay between genetic and environmental factors in PD makes its pathophysiology difficult to comprehend, emphasizing the need for further investigation into genetic and epigenetic markers involved in the disease. Early diagnosis is crucial for optimal management of the disease, and the development of novel diagnostic biomarkers is ongoing. Although many efforts have been made in the field of recognition and interpretation of the mechanisms involved in the pathophysiology of the disease, the current knowledge about PD is just the tip of the iceberg. By scrutinizing genetic and epigenetic patterns underlying PD, new avenues can be opened for dissecting the pathology of the disorder, leading to more precise and efficient diagnostic and therapeutic approaches. This review emphasizes the importance of studying dysregulated cell signaling pathways and molecular processes associated with genes and epigenetic alterations in understanding PD, paving the way for the development of novel therapeutic strategies to combat this devastating disease.
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Affiliation(s)
- Shayesteh Kokabi Hamidpour
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | - Mobina Amiri
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | | | - Saeedeh Saeedi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Abdolhamid Angaji
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.
- Department of Research and Development, Tavakol BioMimetic Technologies Company, Tehran, Iran.
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9
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Trevisan L, Gaudio A, Monfrini E, Avanzino L, Di Fonzo A, Mandich P. Genetics in Parkinson's disease, state-of-the-art and future perspectives. Br Med Bull 2024; 149:60-71. [PMID: 38282031 PMCID: PMC10938543 DOI: 10.1093/bmb/ldad035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/30/2023] [Accepted: 12/12/2023] [Indexed: 01/30/2024]
Abstract
BACKGROUND Parkinson's disease (PD) is the second most common neurodegenerative disorder and is clinically characterized by the presence of motor (bradykinesia, rigidity, rest tremor and postural instability) and non-motor symptoms (cognitive impairment, autonomic dysfunction, sleep disorders, depression and hyposmia). The aetiology of PD is unknown except for a small but significant contribution of monogenic forms. SOURCES OF DATA No new data were generated or analyzed in support of this review. AREAS OF AGREEMENT Up to 15% of PD patients carry pathogenic variants in PD-associated genes. Some of these genes are associated with mendelian inheritance, while others act as risk factors. Genetic background influences age of onset, disease course, prognosis and therapeutic response. AREAS OF CONTROVERSY Genetic testing is not routinely offered in the clinical setting, but it may have relevant implications, especially in terms of prognosis, response to therapies and inclusion in clinical trials. Widely adopted clinical guidelines on genetic testing are still lacking and open to debate. Some new genetic associations are still awaiting confirmation, and selecting the appropriate genes to be included in diagnostic panels represents a difficult task. Finally, it is still under study whether (and to which degree) specific genetic forms may influence the outcome of PD therapies. GROWING POINTS Polygenic Risk Scores (PRS) may represent a useful tool to genetically stratify the population in terms of disease risk, prognosis and therapeutic outcomes. AREAS TIMELY FOR DEVELOPING RESEARCH The application of PRS and integrated multi-omics in PD promises to improve the personalized care of patients.
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Affiliation(s)
- L Trevisan
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, University of Genoa, Largo P. Daneo 3, Genova, 16132, Italy
- IRCCS Ospedale Policlinico San Martino – SS Centro Tumori Ereditari, Largo R. Benzi 10, Genova, 16132, Italy
| | - A Gaudio
- IRCCS Ospedale Policlinico San Martino- UOC Genetica Medica, Largo R. Benzi 10, Genova, 16132, Italy
| | - E Monfrini
- Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Via Francesco Sforza 35, Milan, 20122, Italy
- Neurology Unit, Foundation IRCCS Ca’Granda Ospedale Maggiore Policlinico, Via Festa del Perdono 7, Milan, 20122, Italy
| | - L Avanzino
- Department of Experimental Medicine, Section of Human Physiology, University of Genoa, Viale Benedetto XV/3, Genova, 16132, Italy
- IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 3, Genova, 16132, Italy
| | - A Di Fonzo
- Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Via Francesco Sforza 35, Milan, 20122, Italy
- Neurology Unit, Foundation IRCCS Ca’Granda Ospedale Maggiore Policlinico, Via Festa del Perdono 7, Milan, 20122, Italy
| | - P Mandich
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, University of Genoa, Largo P. Daneo 3, Genova, 16132, Italy
- IRCCS Ospedale Policlinico San Martino- UOC Genetica Medica, Largo R. Benzi 10, Genova, 16132, Italy
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10
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Lo T, Kushima I, Kimura H, Aleksic B, Okada T, Kato H, Inada T, Nawa Y, Torii Y, Yamamoto M, Kimura R, Funabiki Y, Kosaka H, Numata S, Kasai K, Sasaki T, Yokoyama S, Munesue T, Hashimoto R, Yasuda Y, Fujimoto M, Usami M, Itokawa M, Arai M, Ohi K, Someya T, Watanabe Y, Egawa J, Takahashi T, Suzuki M, Yamasue H, Iwata N, Ikeda M, Ozaki N. Association between copy number variations in parkin (PRKN) and schizophrenia and autism spectrum disorder: A case-control study. Neuropsychopharmacol Rep 2024; 44:42-50. [PMID: 37915257 PMCID: PMC10932780 DOI: 10.1002/npr2.12370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/19/2023] [Indexed: 11/03/2023] Open
Abstract
AIM The present study aimed to examine the association between copy number variations (CNVs) in parkin (PRKN) and schizophrenia (SCZ) and autism spectrum disorder (ASD) in a large case-control sample. METHOD Array comparative genomic hybridization was performed on 3111 cases with SCZ, 1236 cases with ASD, and 2713 controls. We systematically prioritized likely pathogenic CNVs (LP-CNVs) in PRKN and examined their association with SCZ and ASD. RESULTS In total, 3014 SCZ cases (96.9%), 1205 ASD cases (97.5%), and 2671 controls (98.5%) passed quality control. We found that monoallelic carriers of LP-CNVs in PRKN were common (70/6890, 1.02%) and were not at higher risk of SCZ (p = 0.29) or ASD (p = 0.72). We observed that the distribution pattern of LP-CNVs in the Japanese population was consistent with those in other populations. We also identified a patient diagnosed with SCZ and early-onset Parkinson's disease carrying biallelic pathogenic CNVs in PRKN. The absence of Parkinson's symptoms in 10 other monoallelic carriers of the same pathogenic CNV further reflects the lack of effect of monoallelic pathogenic variants in PRKN in the absence of a second hit. CONCLUSION The present findings suggest that monoallelic CNVs in PRKN do not confer a significant risk for SCZ or ASD. However, further studies to investigate the association between biallelic CNVs in PRKN and SCZ and ASD are warranted.
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Grants
- JP15K19720 Japan Society for the Promotion of Science
- JP17H05090 Japan Society for the Promotion of Science
- JP18H04040 Japan Society for the Promotion of Science
- JP18K19511 Japan Society for the Promotion of Science
- JP19K17087 Japan Society for the Promotion of Science
- JP20H03608 Japan Society for the Promotion of Science
- JP20K07942 Japan Society for the Promotion of Science
- JP20K20602 Japan Society for the Promotion of Science
- JP21H00194 Japan Society for the Promotion of Science
- JP21H04815 Japan Society for the Promotion of Science
- JP21H05326 Japan Society for the Promotion of Science
- JP21K07543 Japan Society for the Promotion of Science
- JP22H00986 Japan Society for the Promotion of Science
- JP16dm0107134 Ministry of Education, Culture, Sports, Science and Technology
- JP19ak0101113 Ministry of Education, Culture, Sports, Science and Technology
- JP19dm0207075 Ministry of Education, Culture, Sports, Science and Technology
- JP19ek0109411 Ministry of Education, Culture, Sports, Science and Technology
- JP19km0405216 Ministry of Education, Culture, Sports, Science and Technology
- JP20ek0109488 Ministry of Education, Culture, Sports, Science and Technology
- JP21dk0307103 Ministry of Education, Culture, Sports, Science and Technology
- JP21tm0424220 Ministry of Education, Culture, Sports, Science and Technology
- JP21wm0425007 Ministry of Education, Culture, Sports, Science and Technology
- JP21wm0425008 Ministry of Education, Culture, Sports, Science and Technology
- JP21wm0425012 Ministry of Education, Culture, Sports, Science and Technology
- JP21wm0425019 Ministry of Education, Culture, Sports, Science and Technology
- JP21wm0525024 Ministry of Education, Culture, Sports, Science and Technology
- JP22tm0424222 Ministry of Education, Culture, Sports, Science and Technology
- Otsuka Toshimi Scholarship Foundation
- SENSHIN Medical Research Foundation
- Uehara Memorial Foundation
- Japan Society for the Promotion of Science
- Ministry of Education, Culture, Sports, Science and Technology
- Otsuka Toshimi Scholarship Foundation
- SENSHIN Medical Research Foundation
- Uehara Memorial Foundation
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Affiliation(s)
- Tzuyao Lo
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Itaru Kushima
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
- Medical Genomics CenterNagoya University HospitalNagoyaJapan
| | - Hiroki Kimura
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Branko Aleksic
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Takashi Okada
- Department of Developmental Disorders, National Institute of Mental HealthNational Center of Neurology and PsychiatryNagoyaJapan
| | - Hidekazu Kato
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Toshiya Inada
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Yoshihiro Nawa
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Youta Torii
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Maeri Yamamoto
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
| | - Ryo Kimura
- Department of Anatomy and Developmental BiologyGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Yasuko Funabiki
- Department of Cognitive, Behavioral and Health Sciences, Graduate School of Human and Environmental StudiesKyoto UniversityKyotoJapan
| | - Hirotaka Kosaka
- Department of Neuropsychiatry, Faculty of Medical SciencesUniversity of FukuiFukuiJapan
| | - Shusuke Numata
- Department of Psychiatry, Graduate School of Biomedical ScienceTokushima UniversityTokushimaJapan
| | - Kiyoto Kasai
- Department of Neuropsychiatry, Graduate School of MedicineUniversity of TokyoTokyoJapan
- International Research Center for Neurointelligence at University of Tokyo Institutes for Advanced StudyTokyoJapan
| | - Tsukasa Sasaki
- Laboratory of Health Education, Graduate School of EducationUniversity of TokyoTokyoJapan
| | - Shigeru Yokoyama
- Research Center for Child Mental DevelopmentKanazawa UniversityIshikawaJapan
| | - Toshio Munesue
- Research Center for Child Mental DevelopmentKanazawa UniversityIshikawaJapan
| | - Ryota Hashimoto
- Department of Pathology of Mental DiseasesNational Institute of Mental HealthNational Center of Neurology and PsychiatryTokyoJapan
| | - Yuka Yasuda
- Department of Pathology of Mental DiseasesNational Institute of Mental HealthNational Center of Neurology and PsychiatryTokyoJapan
| | - Michiko Fujimoto
- Department of PsychiatryOsaka University Graduate School of MedicineOsakaJapan
| | - Masahide Usami
- Department of Child and Adolescent PsychiatryKohnodai Hospital, National Center for Global Health and MedicineChibaJapan
| | - Masanari Itokawa
- Schizophrenia Research Project, Department of Psychiatry and Behavioral SciencesTokyo Metropolitan Institute of Medical ScienceTokyoJapan
- Department of PsychiatryTokyo Metropolitan Matsuzawa HospitalTokyoJapan
| | - Makoto Arai
- Schizophrenia Research Project, Department of Psychiatry and Behavioral SciencesTokyo Metropolitan Institute of Medical ScienceTokyoJapan
| | - Kazutaka Ohi
- Department of PsychiatryGifu University Graduate School of MedicineGifuJapan
- Department of General Internal MedicineKanazawa Medical UniversityIshikawaJapan
| | - Toshiyuki Someya
- Department of PsychiatryNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Yuichiro Watanabe
- Department of PsychiatryNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Jun Egawa
- Department of PsychiatryNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Tsutomu Takahashi
- Department of NeuropsychiatryUniversity of Toyama Graduate School of Medicine and Pharmaceutical SciencesToyamaJapan
- Research Center for Idling Brain ScienceUniversity of ToyamaToyamaJapan
| | - Michio Suzuki
- Department of NeuropsychiatryUniversity of Toyama Graduate School of Medicine and Pharmaceutical SciencesToyamaJapan
- Research Center for Idling Brain ScienceUniversity of ToyamaToyamaJapan
| | - Hidenori Yamasue
- Department of PsychiatryHamamatsu University School of MedicineHamamatsuJapan
| | - Nakao Iwata
- Department of PsychiatryFujita Health University School of MedicineToyoakeJapan
| | - Masashi Ikeda
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
- Department of PsychiatryFujita Health University School of MedicineToyoakeJapan
| | - Norio Ozaki
- Department of PsychiatryNagoya University Graduate School of MedicineNagoyaJapan
- Institute for Glyco‐core ResearchNagoya UniversityNagoyaJapan
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11
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Rački V, Bergant G, Papić E, Kovanda A, Hero M, Rožmarić G, Starčević Čizmarević N, Ristić S, Ostojić S, Kapović M, Maver A, Peterlin B, Vuletić V. GiOPARK Project: The Genetic Study of Parkinson's Disease in the Croatian Population. Genes (Basel) 2024; 15:255. [PMID: 38397244 PMCID: PMC10888376 DOI: 10.3390/genes15020255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Parkinson's disease is a neurological disorder that affects motor function, autonomic functions, and cognitive abilities. It is likely that both genetic and environmental factors, along with age, contribute to the cause. However, there is no comprehensive guideline for genetic testing for Parkinson's disease, and more research is needed to understand genetic variations in different populations. There has been no research on the genetic background of Parkinson's disease in Croatia so far. Therefore, with the GiOPARK project, we aimed to investigate the genetic variants responsible for Parkinson's disease in 153 Croatian patients with early onset, familial onset, and sporadic late-onset using whole-exome sequencing, along with multiplex ligation-dependent probe amplification and Sanger sequencing in select patients. We found causative variants in 7.84% of the patients, with GBA being the most common gene (4.58%), followed by PRKN (1.96%), ITM2B (0.65%), and MAPT (0.65%). Moreover, variants of uncertain significance were identified in 26.14% of the patients. The causative variants were found in all three subgroups, indicating that genetic factors play a role in all the analyzed Parkinson's disease subtypes. This study emphasizes the need for more inclusive research and improved guidelines to better understand the genetic basis of Parkinson's disease and facilitate more effective clinical management.
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Affiliation(s)
- Valentino Rački
- Department of Neurology, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (V.R.); (E.P.); (M.H.); (G.R.)
- Department of Neurology, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
| | - Gaber Bergant
- Clinical Institute of Genomic Medicine, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (G.B.); (A.K.); (A.M.); (B.P.)
| | - Eliša Papić
- Department of Neurology, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (V.R.); (E.P.); (M.H.); (G.R.)
- Department of Neurology, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
| | - Anja Kovanda
- Clinical Institute of Genomic Medicine, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (G.B.); (A.K.); (A.M.); (B.P.)
| | - Mario Hero
- Department of Neurology, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (V.R.); (E.P.); (M.H.); (G.R.)
- Department of Neurology, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
| | - Gloria Rožmarić
- Department of Neurology, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (V.R.); (E.P.); (M.H.); (G.R.)
- Department of Neurology, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
| | - Nada Starčević Čizmarević
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (N.S.Č.); (S.R.); (S.O.); (M.K.)
| | - Smiljana Ristić
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (N.S.Č.); (S.R.); (S.O.); (M.K.)
| | - Saša Ostojić
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (N.S.Č.); (S.R.); (S.O.); (M.K.)
| | - Miljenko Kapović
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (N.S.Č.); (S.R.); (S.O.); (M.K.)
| | - Aleš Maver
- Clinical Institute of Genomic Medicine, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (G.B.); (A.K.); (A.M.); (B.P.)
| | - Borut Peterlin
- Clinical Institute of Genomic Medicine, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (G.B.); (A.K.); (A.M.); (B.P.)
| | - Vladimira Vuletić
- Department of Neurology, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia; (V.R.); (E.P.); (M.H.); (G.R.)
- Department of Neurology, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
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12
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Busquets O, Li H, Mohieddin Syed K, Jerez PA, Dunnack J, Bu RL, Verma Y, Pangilinan GR, Martin A, Straub J, Du Y, Simon VM, Poser S, Bush Z, Diaz J, Sahagun A, Gao J, Hernandez DG, Levine KS, Booth EO, Bateup HS, Rio DC, Hockemeyer D, Blauwendraat C, Soldner F. iSCORE-PD: an isogenic stem cell collection to research Parkinson's Disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.12.579917. [PMID: 38405931 PMCID: PMC10888955 DOI: 10.1101/2024.02.12.579917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder caused by complex genetic and environmental factors. Genome-edited human pluripotent stem cells (hPSCs) offer the uniique potential to advance our understanding of PD etiology by providing disease-relevant cell-types carrying patient mutations along with isogenic control cells. To facilitate this experimental approach, we generated a collection of 55 cell lines genetically engineered to harbor mutations in genes associated with monogenic PD (SNCA A53T, SNCA A30P, PRKN Ex3del, PINK1 Q129X, DJ1/PARK7 Ex1-5del, LRRK2 G2019S, ATP13A2 FS, FBXO7 R498X/FS, DNAJC6 c.801 A>G+FS, SYNJ1 R258Q/FS, VPS13C A444P, VPS13C W395C, GBA1 IVS2+1). All mutations were generated in a fully characterized and sequenced female human embryonic stem cell (hESC) line (WIBR3; NIH approval number NIHhESC-10-0079) using CRISPR/Cas9 or prime editing-based approaches. We implemented rigorous quality controls, including high density genotyping to detect structural variants and confirm the genomic integrity of each cell line. This systematic approach ensures the high quality of our stem cell collection, highlights differences between conventional CRISPR/Cas9 and prime editing and provides a roadmap for how to generate gene-edited hPSCs collections at scale in an academic setting. We expect that our isogenic stem cell collection will become an accessible platform for the study of PD, which can be used by investigators to understand the molecular pathophysiology of PD in a human cellular setting.
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Affiliation(s)
- Oriol Busquets
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Rose F. Kennedy Center, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, 1301 Morris Park Ave., Bronx, NY 10461, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- These authors contributed equally
| | - Hanqin Li
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- These authors contributed equally
| | - Khaja Mohieddin Syed
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- These authors contributed equally
| | - Pilar Alvarez Jerez
- Center for Alzheimer’s and Related Dementias, National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK
- These authors contributed equally
| | - Jesse Dunnack
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- These authors contributed equally
| | - Riana Lo Bu
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Rose F. Kennedy Center, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Yogendra Verma
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Gabriella R. Pangilinan
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Annika Martin
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jannes Straub
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - YuXin Du
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Vivien M. Simon
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Steven Poser
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Rose F. Kennedy Center, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Zipporiah Bush
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Genetics, Albert Einstein College of Medicine, 1301 Morris Park Ave., Bronx, NY 10461, USA
| | - Jessica Diaz
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Rose F. Kennedy Center, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Atehsa Sahagun
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jianpu Gao
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Dena G. Hernandez
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Kristin S. Levine
- Center for Alzheimer’s and Related Dementias, National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ezgi O. Booth
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Helen S. Bateup
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- Chan Zuckerberg Biohub, San Francisco, CA, 94158, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Donald C. Rio
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Dirk Hockemeyer
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- Innovative Genomics Institute, University of California, Berkeley, CA, 94720, USA
- Chan Zuckerberg Biohub, San Francisco, CA, 94158, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Cornelis Blauwendraat
- Center for Alzheimer’s and Related Dementias, National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Frank Soldner
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Rose F. Kennedy Center, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, 1301 Morris Park Ave., Bronx, NY 10461, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Genetics, Albert Einstein College of Medicine, 1301 Morris Park Ave., Bronx, NY 10461, USA
- Lead contact
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Andrews SV, Kukkle PL, Menon R, Geetha TS, Goyal V, Kandadai RM, Kumar H, Borgohain R, Mukherjee A, Wadia PM, Yadav R, Desai S, Kumar N, Joshi D, Murugan S, Biswas A, Pal PK, Oliver M, Nair S, Kayalvizhi A, Samson PL, Deshmukh M, Bassi A, Sandeep C, Mandloi N, Davis OB, Roberts MA, Leto DE, Henry AG, Di Paolo G, Muthane U, Das SK, Peterson AS, Sandmann T, Gupta R, Ramprasad VL. The Genetic Drivers of Juvenile, Young, and Early-Onset Parkinson's Disease in India. Mov Disord 2024; 39:339-349. [PMID: 38014556 DOI: 10.1002/mds.29676] [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: 07/13/2023] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Recent studies have advanced our understanding of the genetic drivers of Parkinson's disease (PD). Rare variants in more than 20 genes are considered causal for PD, and the latest PD genome-wide association study (GWAS) identified 90 independent risk loci. However, there remains a gap in our understanding of PD genetics outside of the European populations in which the vast majority of these studies were focused. OBJECTIVE The aim was to identify genetic risk factors for PD in a South Asian population. METHODS A total of 674 PD subjects predominantly with age of onset (AoO) ≤50 years (encompassing juvenile, young, or early-onset PD) were recruited from 10 specialty movement disorder centers across India over a 2-year period; 1376 control subjects were selected from the reference population GenomeAsia, Phase 2. We performed various case-only and case-control genetic analyses for PD diagnosis and AoO. RESULTS A genome-wide significant signal for PD diagnosis was identified in the SNCA region, strongly colocalizing with SNCA region signal from European PD GWAS. PD cases with pathogenic mutations in PD genes exhibited, on average, lower PD polygenic risk scores than PD cases lacking any PD gene mutations. Gene burden studies of rare, predicted deleterious variants identified BSN, encoding the presynaptic protein Bassoon that has been previously associated with neurodegenerative disease. CONCLUSIONS This study constitutes the largest genetic investigation of PD in a South Asian population to date. Future work should seek to expand sample numbers in this population to enable improved statistical power to detect PD genes in this understudied group. © 2023 Denali Therapeutics and The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Shan V Andrews
- Denali Therapeutics, South San Francisco, California, USA
| | - Prashanth L Kukkle
- Manipal Hospital, Bangalore, India
- Parkinson's Disease and Movement Disorders Clinic, Bangalore, India
| | | | | | - Vinay Goyal
- All India Institute of Medical Sciences (AIIMS), New Delhi, India
- Medanta Hospital, New Delhi, India
- Medanta, The Medicity, Gurgaon, India
| | - Rukmini Mridula Kandadai
- Nizams Institute of Medical Sciences (NIMS), Hyderabad, India
- Citi Neuro Centre, Hyderabad, India
| | | | - Rupam Borgohain
- Nizams Institute of Medical Sciences (NIMS), Hyderabad, India
- Citi Neuro Centre, Hyderabad, India
| | - Adreesh Mukherjee
- Bangur Institute of Neurosciences and Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, India
| | | | - Ravi Yadav
- National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India
| | - Soaham Desai
- Department of Neurology, Shree Krishna Hospital and Pramukhaswami Medical College, Bhaikaka University, Anand, India
| | - Niraj Kumar
- All India Institute of Medical Sciences, Rishikesh, India
- All India Institute of Medical Sciences, Bibinagar (Hyderabad Metropolitan Region), Bibinagar, India
| | - Deepika Joshi
- Department of Neurology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | | | - Atanu Biswas
- Bangur Institute of Neurosciences and Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, India
| | - Pramod K Pal
- National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India
| | | | | | | | | | | | | | | | | | - Oliver B Davis
- Denali Therapeutics, South San Francisco, California, USA
| | | | - Dara E Leto
- Denali Therapeutics, South San Francisco, California, USA
| | | | | | - Uday Muthane
- Parkinson and Ageing Research Foundation, Bangalore, India
| | - Shymal K Das
- Bangur Institute of Neurosciences and Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, India
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Pitz V, Makarious MB, Bandres-Ciga S, Iwaki H, Singleton AB, Nalls M, Heilbron K, Blauwendraat C. Analysis of rare Parkinson's disease variants in millions of people. NPJ Parkinsons Dis 2024; 10:11. [PMID: 38191580 PMCID: PMC10774311 DOI: 10.1038/s41531-023-00608-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 11/24/2023] [Indexed: 01/10/2024] Open
Abstract
Although many rare variants have been reportedly associated with Parkinson's disease (PD), many have not been replicated or have failed to replicate. Here, we conduct a large-scale replication of rare PD variants. We assessed a total of 27,590 PD cases, 6701 PD proxies, and 3,106,080 controls from three data sets: 23andMe, Inc., UK Biobank, and AMP-PD. Based on well-known PD genes, 834 variants of interest were selected from the ClinVar annotated 23andMe dataset. We performed a meta-analysis using summary statistics of all three studies. The meta-analysis resulted in five significant variants after Bonferroni correction, including variants in GBA1 and LRRK2. Another eight variants are strong candidate variants for their association with PD. Here, we provide the largest rare variant meta-analysis to date, providing information on confirmed and newly identified variants for their association with PD using several large databases. Additionally we also show the complexities of studying rare variants in large-scale cohorts.
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Affiliation(s)
- Vanessa Pitz
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA.
| | - Mary B Makarious
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
- UCL Movement Disorders Centre, University College London, London, UK
| | - Sara Bandres-Ciga
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Hirotaka Iwaki
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International, Washington, DC, USA
| | - Andrew B Singleton
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Mike Nalls
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International, Washington, DC, USA
| | | | - Cornelis Blauwendraat
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
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15
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Saffie Awad P, Teixeira-Dos-Santos D, Santos-Lobato BL, Camargos S, Cornejo-Olivas M, de Mello Rieder CR, Mata IF, Chaná-Cuevas P, Klein C, Schumacher Schuh AF. Frequency of Hereditary and GBA1-Related Parkinsonism in Latin America: A Systematic Review and Meta-Analysis. Mov Disord 2024; 39:6-16. [PMID: 37921246 DOI: 10.1002/mds.29614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 11/04/2023] Open
Abstract
BACKGROUND Identifying hereditary parkinsonism is valuable for diagnosis, genetic counseling, patient prioritization in trials, and studying the disease for personalized therapies. However, most studies were conducted in Europeans, and limited data exist on admixed populations like those from Latin America. OBJECTIVES This study aims to assess the frequency and distribution of genetic parkinsonism in Latin America. METHODS We conducted a systematic review and meta-analysis of the frequency of parkinsonian syndromes associated with genetic pathogenic variants in Latin America. We defined hereditary parkinsonism as those caused by the genes outlined by the MDS Nomenclature of Genetic Movement Disorders and heterozygous carriers of GBA1 pathogenic variants. A systematic search was conducted in PubMed, Web of Science, Embase, and LILACS in August 2022. Researchers reviewed titles and abstracts, and disagreements were resolved by a third researcher. After this screening, five researchers reanalyzed the selection criteria and extracted information based on the full paper. The frequency for each parkinsonism-related gene was determined by the presence of pathogenic/likely pathogenic variants among screened patients. Cochran's Q and I2 tests were used to quantify heterogeneity. Meta-regression, publication bias tests, and sensitivity analysis regarding study quality were also used for LRRK2-, PRKN-, and GBA1-related papers. RESULTS We included 73 studies involving 3014 screened studies from 16 countries. Among 7668 Latin American patients, pathogenic variants were found in 19 different genes. The frequency of the pathogenic variants in LRRK2 was 1.38% (95% confidence interval [CI]: 0.52-2.57), PRKN was 1.16% (95% CI: 0.08-3.05), and GBA1 was 4.17% (95% CI: 2.57-6.08). For all meta-analysis, heterogeneity was high and publication bias tests were negative, except for PRKN, which was contradictory. Information on the number of pathogenic variants in the other genes is further presented in the text. CONCLUSIONS This study provides insights into hereditary and GBA1-related parkinsonism in Latin America. Lower GBA1 frequencies compared to European/North American cohorts may result from limited access to gene sequencing. Further research is vital for regional prevalence understanding, enabling personalized care and therapies. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Paula Saffie Awad
- Programa de Pós-Graduação em Ciências Médicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Centro de Trastornos del Movimiento (CETRAM), Santiago, Chile
- Clínica Santa María, Santiago, Chile
| | | | - Bruno Lopes Santos-Lobato
- Hospital Ophir Loyola, Belém, Brazil
- Laboratório de Neuropatologia Experimental, Universidade Federal do Pará, Belém, Brazil
| | - Sarah Camargos
- Faculdade de Medicina da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mario Cornejo-Olivas
- Neurogenetics Working Group, Universidad Científica del Sur, Lima, Peru
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
| | | | - Ignacio F Mata
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Pedro Chaná-Cuevas
- Centro de Trastornos del Movimiento (CETRAM), Santiago, Chile
- Facultad de Ciencias Médicas, Universidad de Santiago de Chile, Santiago, Chile
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Artur F Schumacher Schuh
- Programa de Pós-Graduação em Ciências Médicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Serviço de Neurologia, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Departamento de Farmacologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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16
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Daida K, Funayama M, Billingsley KJ, Malik L, Miano-Burkhardt A, Leonard HL, Makarious MB, Iwaki H, Ding J, Gibbs JR, Ishiguro M, Yoshino H, Ogaki K, Oyama G, Nishioka K, Nonaka R, Akamatsu W, Blauwendraat C, Hattori N. Long-Read Sequencing Resolves a Complex Structural Variant in PRKN Parkinson's Disease. Mov Disord 2023; 38:2249-2257. [PMID: 37926948 PMCID: PMC10843047 DOI: 10.1002/mds.29610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/17/2023] [Accepted: 09/11/2023] [Indexed: 11/07/2023] Open
Abstract
BACKGROUND Parkin RBR E3 ubiquitin-protein ligase (PRKN) mutations are the most common cause of young onset and autosomal recessive Parkinson's disease (PD). PRKN is located in FRA6E, which is one of the common fragile sites in the human genome, making this region prone to structural variants. However, complex structural variants such as inversions of PRKN are seldom reported, suggesting that there are potentially unrevealed complex pathogenic PRKN structural variants. OBJECTIVES To identify complex structural variants in PRKN using long-read sequencing. METHODS We investigated the genetic cause of monozygotic twins presenting with a young onset dystonia-parkinsonism using targeted sequencing, whole exome sequencing, multiple ligation probe amplification, and long-read sequencing. We assessed the presence and frequency of complex inversions overlapping PRKN using whole-genome sequencing data of Accelerating Medicines Partnership Parkinson's disease (AMP-PD) and United Kingdom (UK)-Biobank datasets. RESULTS Multiple ligation probe amplification identified a heterozygous exon three deletion in PRKN and long-read sequencing identified a large novel inversion spanning over 7 Mb, including a large part of the coding DNA sequence of PRKN. We could diagnose the affected subjects as compound heterozygous carriers of PRKN. We analyzed whole genome sequencing data of 43,538 participants of the UK-Biobank and 4941 participants of the AMP-PD datasets. Nine inversions in the UK-Biobank and two in AMP PD were identified and were considered potentially damaging and likely to affect PRKN expression. CONCLUSIONS This is the first report describing a large 7 Mb inversion involving breakpoints outside of PRKN. This study highlights the importance of using long-read sequencing for structural variant analysis in unresolved young-onset PD cases. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Kensuke Daida
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
| | - Manabu Funayama
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kimberley J Billingsley
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Laksh Malik
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Abigail Miano-Burkhardt
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Hampton L. Leonard
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International LLC, Washington, DC, USA
- German Center for Neurodegenerative Diseases (DZNE), Tübingen, Germany
| | - Mary B. Makarious
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK, WC1N 3BG
- UCL Movement Disorders Centre, University College London, London, UK, WC1N 3BG
| | - Hirotaka Iwaki
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International LLC, Washington, DC, USA
| | - Jinhui Ding
- Computational Biology Group, Laboratory of Neurogenetics,National Institute on Aging, NIH, PorterNeuroscience ResearchCenter,Bethesda, MD, USA
| | - J. Raphael Gibbs
- Computational Biology Group, Laboratory of Neurogenetics,National Institute on Aging, NIH, PorterNeuroscience ResearchCenter,Bethesda, MD, USA
| | - Mayu Ishiguro
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
| | - Hiroyo Yoshino
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kotaro Ogaki
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
| | - Genko Oyama
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
| | - Kenya Nishioka
- Department of Neurology, Juntendo Tokyo Koto Geriatric Medical Center 3-3-20 Shinsuna, Koto-ku, Tokyo 136-0075
| | - Risa Nonaka
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
- Department of Clinical Data of Parkinson’s Disease, Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Center for Genomic and Regenerative Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Wado Akamatsu
- Center for Genomic and Regenerative Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Cornelis Blauwendraat
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Nobutaka Hattori
- Department of Neurology, Faculty of Medicine, Juntendo University, Hongo, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Neurodegenerative Disorders Collaborative Laboratory, RIKEN Center for Brain Science, Wako, Saitama, Japan
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17
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Koros C, Bougea A, Simitsi AM, Papagiannakis N, Angelopoulou E, Pachi I, Antonelou R, Bozi M, Stamelou M, Stefanis L. The Landscape of Monogenic Parkinson's Disease in Populations of Non-European Ancestry: A Narrative Review. Genes (Basel) 2023; 14:2097. [PMID: 38003040 PMCID: PMC10671808 DOI: 10.3390/genes14112097] [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: 09/18/2023] [Revised: 11/06/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
INTRODUCTION There has been a bias in the existing literature on Parkinson's disease (PD) genetics as most studies involved patients of European ancestry, mostly in Europe and North America. Our target was to review published research data on the genetic profile of PD patients of non-European or mixed ancestry. METHODS We reviewed articles published during the 2000-2023 period, focusing on the genetic status of PD patients of non-European origin (Indian, East and Central Asian, Latin American, sub-Saharan African and Pacific islands). RESULTS There were substantial differences regarding monogenic PD forms between patients of European and non-European ancestry. The G2019S Leucine Rich Repeat Kinase 2 (LRRK2) mutation was rather scarce in non-European populations. In contrast, East Asian patients carried different mutations like p.I2020T, which is common in Japan. Parkin (PRKN) variants had a global distribution, being common in early-onset PD in Indians, in East Asians, and in early-onset Mexicans. Furthermore, they were occasionally present in Black African PD patients. PTEN-induced kinase 1 (PINK1) and PD protein 7 (DJ-1) variants were described in Indian, East Asian and Pacific Islands populations. Glucocerebrosidase gene variants (GBA1), which represent an important predisposing factor for PD, were found in East and Southeast Asian and Indian populations. Different GBA1 variants have been reported in Black African populations and Latin Americans. CONCLUSIONS Existing data reveal a pronounced heterogeneity in the genetic background of PD. A number of common variants in populations of European ancestry appeared to be absent or scarce in patients of diverse ethnic backgrounds. Large-scale studies that include genetic screening in African, Asian or Latin American populations are underway. The outcomes of such efforts will facilitate further clinical studies and will possibly contribute to the identification of either new pathogenic mutations in already described genes or novel PD-related genes.
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Affiliation(s)
- Christos Koros
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Anastasia Bougea
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Athina Maria Simitsi
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Nikolaos Papagiannakis
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Efthalia Angelopoulou
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Ioanna Pachi
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Roubina Antonelou
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
| | - Maria Bozi
- Dafni Psychiatric Hospital, 12462 Athens, Greece;
- 2nd Department of Neurology, Attikon Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | | | - Leonidas Stefanis
- 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (C.K.); (A.M.S.); (N.P.); (E.A.); (I.P.); (R.A.); (L.S.)
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18
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Daida K, Funayama M, Billingsley KJ, Malik L, Miano-Burkhardt A, Leonard HL, Makarious MB, Iwaki H, Ding J, Gibbs JR, Ishiguro M, Yoshino H, Ogaki K, Oyama G, Nishioka K, Nonaka R, Akamatsu W, Blauwendraat C, Hattori N. Long-read sequencing resolves a complex structural variant in PRKN Parkinson's disease. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.08.14.23293948. [PMID: 37790330 PMCID: PMC10543050 DOI: 10.1101/2023.08.14.23293948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Background PRKN mutations are the most common cause of young onset and autosomal recessive Parkinson's disease (PD). PRKN is located in FRA6E which is one of the common fragile sites in the human genome, making this region prone to structural variants. However, complex structural variants such as inversions of PRKN are seldom reported, suggesting that there are potentially unrevealed complex pathogenic PRKN structural variants. Objectives To identify complex structural variants in PRKN using long-read sequencing. Methods We investigated the genetic cause of monozygotic twins presenting with a young onset dystonia-parkinsonism using targeted sequencing, whole exome sequencing, multiple ligation probe amplification, and long-read. We assessed the presence and frequency of complex inversions overlapping PRKN using whole-genome sequencing data of AMP-PD and UK-Biobank datasets. Results Multiple ligation probe amplification identified a heterozygous exon 3 deletion in PRKN and long-read sequencing identified a large novel inversion spanning over 7Mb, including a large part of the coding DNA sequence of PRKN. We could diagnose the affected subjects as compound heterozygous carriers of PRKN. We analyzed whole genome sequencing data of 43,538 participants of the UK-Biobank and 4,941 participants of the AMP-PD datasets. Nine inversions in the UK-Biobank and two in AMP PD were identified and were considered potentially damaging and likely to affect PRKN isoforms. Conclusions This is the first report describing a large 7Mb inversion involving breakpoints outside of PRKN. This study highlights the importance of using long-read whole genome sequencing for structural variant analysis in unresolved young-onset PD cases.
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Affiliation(s)
- Kensuke Daida
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
| | - Manabu Funayama
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kimberley J Billingsley
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Laksh Malik
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Abigail Miano-Burkhardt
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Hampton L. Leonard
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International LLC, Washington, DC, USA
- German Center for Neurodegenerative Diseases (DZNE), Tubingen, Germany
| | - Mary B. Makarious
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK, WC1N 3BG
- UCL Movement Disorders Centre, University College London, London, UK, WC1N 3BG
| | - Hirotaka Iwaki
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International LLC, Washington, DC, USA
| | - Jinhui Ding
- BiocomputationalGroup, Laboratory of Neurogenetics,National Institute on Aging, NIH, PorterNeuroscience ResearchCenter,Bethesda, MD, USA
| | - J. Raphael Gibbs
- BiocomputationalGroup, Laboratory of Neurogenetics,National Institute on Aging, NIH, PorterNeuroscience ResearchCenter,Bethesda, MD, USA
| | - Mayu Ishiguro
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
| | - Hiroyo Yoshino
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kotaro Ogaki
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
| | - Genko Oyama
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
| | - Kenya Nishioka
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
| | - Risa Nonaka
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
- Department of Clinical Data of Parkinson’s Disease, Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Center for Genomic and Regenerative Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Wado Akamatsu
- Center for Genomic and Regenerative Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Cornelis Blauwendraat
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University School of Medicine, Hongo, Tokyo, Japan
- Research Institute for Diseases of Old Age, Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Neurodegenerative Disorders Collaborative Laboratory, RIKEN Center for Brain Science, Wako, Saitama, Japan
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19
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Castelo Rueda MP, Zanon A, Gilmozzi V, Lavdas AA, Raftopoulou A, Delcambre S, Del Greco M F, Klein C, Grünewald A, Pramstaller PP, Hicks AA, Pichler I. Molecular phenotypes of mitochondrial dysfunction in clinically non-manifesting heterozygous PRKN variant carriers. NPJ Parkinsons Dis 2023; 9:65. [PMID: 37072441 PMCID: PMC10113363 DOI: 10.1038/s41531-023-00499-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 03/23/2023] [Indexed: 04/20/2023] Open
Abstract
Homozygous or compound heterozygous (biallelic) variants in PRKN are causal for PD with highly penetrant symptom expression, while the much more common heterozygous variants may predispose to PD with highly reduced penetrance, through altered mitochondrial function. In the presence of pathogenic heterozygous variants, it is therefore important to test for mitochondrial alteration in cells derived from variant carriers to establish potential presymptomatic molecular markers. We generated lymphoblasts (LCLs) and human induced pluripotent stem cell (hiPSC)-derived neurons from non-manifesting heterozygous PRKN variant carriers and tested them for mitochondrial functionality. In LCLs, we detected hyperactive mitochondrial respiration, and, although milder compared to a biallelic PRKN-PD patient, hiPSC-derived neurons of non-manifesting heterozygous variant carriers also displayed several phenotypes of altered mitochondrial function. Overall, we identified molecular phenotypes that might be used to monitor heterozygous PRKN variant carriers during the prodromal phase. Such markers might also be useful to identify individuals at greater risk of eventual disease development and for testing potential mitochondrial function-based neuroprotective therapies before neurodegeneration advances.
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Affiliation(s)
- Maria Paulina Castelo Rueda
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy.
| | - Alessandra Zanon
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Valentina Gilmozzi
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Alexandros A Lavdas
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Athina Raftopoulou
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- Department of Economics, University of Patras, Patras, Greece
| | - Sylvie Delcambre
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esche-sur-Alzette, Luxembourg
| | - Fabiola Del Greco M
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Anne Grünewald
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esche-sur-Alzette, Luxembourg
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Peter P Pramstaller
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- Department of Neurology, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Andrew A Hicks
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy.
| | - Irene Pichler
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
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20
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Tay YW, Tan AH, Lim JL, Lohmann K, Ibrahim KA, Abdul Aziz Z, Chin YT, Mawardi AS, Lim TT, Looi I, Chia YK, Ooi JCE, Cheah WK, Dy Closas AMF, Lit LC, Hor JW, Toh TS, Muthusamy KA, Bauer P, Skrahin V, Rolfs A, Klein C, Ahmad-Annuar A, Lim SY. Genetic study of early-onset Parkinson's disease in the Malaysian population. Parkinsonism Relat Disord 2023; 111:105399. [PMID: 37209484 DOI: 10.1016/j.parkreldis.2023.105399] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/17/2023] [Accepted: 04/11/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND About 5-10% of Parkinson's disease (PD) cases are early onset (EOPD), with several genes implicated, including GBA1, PRKN, PINK1, and SNCA. The spectrum and frequency of mutations vary across populations and globally diverse studies are crucial to comprehensively understand the genetic architecture of PD. The ancestral diversity of Southeast Asians offers opportunities to uncover a rich PD genetics landscape, and identify common regional mutations and new pathogenic variants. OBJECTIVES This study aimed to investigate the genetic architecture of EOPD in a multi-ethnic Malaysian cohort. METHODS 161 index patients with PD onset ≤50 years were recruited from multiple centers across Malaysia. A two-step approach to genetic testing was used, combining a next-generation sequencing-based PD gene panel and multiplex ligation-dependent probe amplification (MLPA). RESULTS Thirty-five patients (21.7%) carried pathogenic or likely pathogenic variants involving (in decreasing order of frequency): GBA1, PRKN, PINK1, DJ-1, LRRK2, and ATP13A2. Pathogenic/likely pathogenic variants in GBA1 were identified in thirteen patients (8.1%), and were also commonly found in PRKN and PINK1 (11/161 = 6.8% and 6/161 = 3.7%, respectively). The overall detection rate was even higher in those with familial history (48.5%) or age of diagnosis ≤40 years (34.8%). PRKN exon 7 deletion and the PINK1 p.Leu347Pro variant appear to be common among Malay patients. Many novel variants were found across the PD-related genes. CONCLUSIONS This study provides novel insights into the genetic architecture of EOPD in Southeast Asians, expands the genetic spectrum in PD-related genes, and highlights the importance of diversifying PD genetic research to include under-represented populations.
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Affiliation(s)
- Yi Wen Tay
- Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Ai Huey Tan
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson's & Related Disorders, University of Malaya, Kuala Lumpur, Malaysia; Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Jia Lun Lim
- Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Katja Lohmann
- Institute of Neurogenetics, University of Luebeck, Luebeck, Germany
| | - Khairul Azmi Ibrahim
- Department of Medicine, Hospital Sultanah Nur Zahirah, Kuala Terengganu, Malaysia
| | - Zariah Abdul Aziz
- Department of Medicine, Hospital Sultanah Nur Zahirah, Kuala Terengganu, Malaysia
| | - Yen Theng Chin
- Department of Medicine, Hospital Sultanah Nur Zahirah, Kuala Terengganu, Malaysia
| | | | | | - Irene Looi
- Department of Neurology, Seberang Jaya Hospital, Penang, Malaysia
| | - Yuen Kang Chia
- Department of Neurology, Queen Elizabeth Hospital, Kota Kinabalu, Sabah, Malaysia
| | - Joshua Chin Ern Ooi
- Department of Neurology, Queen Elizabeth Hospital, Kota Kinabalu, Sabah, Malaysia
| | - Wee Kooi Cheah
- Department of Geriatrics, Taiping Hospital, Taiping, Malaysia
| | - Alfand Marl F Dy Closas
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson's & Related Disorders, University of Malaya, Kuala Lumpur, Malaysia; Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Lei Cheng Lit
- Department of Physiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Jia Wei Hor
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson's & Related Disorders, University of Malaya, Kuala Lumpur, Malaysia; Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Tzi Shin Toh
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson's & Related Disorders, University of Malaya, Kuala Lumpur, Malaysia; Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Kalai Arasu Muthusamy
- Division of Neurosurgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Peter Bauer
- Centogene GmbH, Am Strande 7, 18057, Rostock, Germany
| | - Volha Skrahin
- Centogene GmbH, Am Strande 7, 18057, Rostock, Germany; Arcensus, Goethestrasse 20, 18055, Rostock, Germany
| | - Arndt Rolfs
- Centogene GmbH, Am Strande 7, 18057, Rostock, Germany; Arcensus, Goethestrasse 20, 18055, Rostock, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Luebeck, Luebeck, Germany.
| | - Azlina Ahmad-Annuar
- Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
| | - Shen-Yang Lim
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson's & Related Disorders, University of Malaya, Kuala Lumpur, Malaysia; Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
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21
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Pitz V, Makarious M, Bandrés-Ciga S, Iwaki H, Singleton A, Nalls M, Heilbron K, Blauwendraat C. Analysis of rare Parkinson's disease variants in millions of people. RESEARCH SQUARE 2023:rs.3.rs-2743857. [PMID: 37090536 PMCID: PMC10120789 DOI: 10.21203/rs.3.rs-2743857/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Objective Although many rare variants have been reportedly associated with Parkinson's disease (PD), many have not been replicated or have failed to replicate. Here, we conduct a large-scale replication of rare PD variants. Methods We assessed a total of 27,590 PD cases, 6,701 PD proxies, and 3,106,080 controls from three data sets: 23andMe, Inc., UK Biobank, and AMP-PD. Based on well-known PD genes, 834 variants of interest were selected from the ClinVar annotated 23andMe dataset. We performed a meta-analysis using summary statistics of all three studies. Results The meta-analysis resulted in 11 significant variants after Bonferroni correction, including variants in GBA1 and LRRK2. At least 9 previously reported pathogenic or risk variants for PD did not pass Bonferroni correction in this analysis. Conclusions Here, we provide the largest rare variant meta-analysis to date, providing thorough information of variants confirmed, newly identified, or rebutted for their association with PD.
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22
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Recent Advances in the Treatment of Genetic Forms of Parkinson's Disease: Hype or Hope? Cells 2023; 12:cells12050764. [PMID: 36899899 PMCID: PMC10001341 DOI: 10.3390/cells12050764] [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: 01/29/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Parkinson's disease (PD) is a multifarious neurodegenerative disease. Its pathology is characterized by a prominent early death of dopaminergic neurons in the pars compacta of the substantia nigra and the presence of Lewy bodies with aggregated α-synuclein. Although the α-synuclein pathological aggregation and propagation, induced by several factors, is considered one of the most relevant hypotheses, PD pathogenesis is still a matter of debate. Indeed, environmental factors and genetic predisposition play an important role in PD. Mutations associated with a high risk for PD, usually called monogenic PD, underlie 5% to 10% of all PD cases. However, this percentage tends to increase over time because of the continuous identification of new genes associated with PD. The identification of genetic variants that can cause or increase the risk of PD has also given researchers the possibility to explore new personalized therapies. In this narrative review, we discuss the recent advances in the treatment of genetic forms of PD, focusing on different pathophysiologic aspects and ongoing clinical trials.
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23
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Fiesel FC, Fričová D, Hayes CS, Coban MA, Hudec R, Bredenberg JM, Broadway BJ, Markham BN, Yan T, Boneski PK, Fiorino G, Watzlawik JO, Hou X, McCarty AM, Lewis-Tuffin LJ, Zhong J, Madden BJ, Ordureau A, An H, Puschmann A, Wszolek ZK, Ross OA, Harper JW, Caulfield TR, Springer W. Substitution of PINK1 Gly411 modulates substrate receptivity and turnover. Autophagy 2022:1-22. [PMID: 36469690 DOI: 10.1080/15548627.2022.2151294] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The ubiquitin (Ub) kinase-ligase pair PINK1-PRKN mediates the degradation of damaged mitochondria by macroautophagy/autophagy (mitophagy). PINK1 surveils mitochondria and upon stress accumulates on the mitochondrial surface where it phosphorylates serine 65 of Ub to activate PRKN and to drive mitochondrial turnover. While loss of either PINK1 or PRKN is genetically linked to Parkinson disease (PD) and activating the pathway seems to have great therapeutic potential, there is no formal proof that stimulation of mitophagy is always beneficial. Here we used biochemical and cell biological methods to study single nucleotide variants in the activation loop of PINK1 to modulate the enzymatic function of this kinase. Structural modeling and in vitro kinase assays were used to investigate the molecular mechanism of the PINK1 variants. In contrast to the PD-linked PINK1G411S mutation that diminishes Ub kinase activity, we found that the PINK1G411A variant significantly boosted Ub phosphorylation beyond levels of PINK1 wild type. This resulted in augmented PRKN activation, mitophagy rates and increased viability after mitochondrial stress in midbrain-derived, gene-edited neurons. Mechanistically, the G411A variant stabilizes the kinase fold of PINK1 and transforms Ub to adopt the preferred, C-terminally retracted conformation for improved substrate turnover. In summary, we identify a critical role of residue 411 for substrate receptivity that may now be exploited for drug discovery to increase the enzymatic function of PINK1. The genetic substitution of Gly411 to Ala increases mitophagy and may be useful to confirm neuroprotection in vivo and might serve as a critical positive control during therapeutic development.Abbreviations: ATP: adenosine triphosphate; CCCP: carbonyl cyanide m-chlorophenyl hydrazone; Ub-CR: ubiquitin with C-terminally retracted tail; CTD: C-terminal domain (of PINK1); ELISA: enzyme-linked immunosorbent assay; HCI: high-content imaging; IB: immunoblot; IF: immunofluorescence; NPC: neuronal precursor cells; MDS: molecular dynamics simulation; PD: Parkinson disease; p-S65-Ub: ubiquitin phosphorylated at Ser65; RMSF: root mean scare fluctuation; TOMM: translocase of outer mitochondrial membrane; TVLN: ubiquitin with T66V and L67N mutation, mimics Ub-CR; Ub: ubiquitin; WT: wild-type.
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Affiliation(s)
- Fabienne C Fiesel
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | | | - Caleb S Hayes
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Mathew A Coban
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Roman Hudec
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | | | - Tingxiang Yan
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Paige K Boneski
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Gabriella Fiorino
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | | | - Xu Hou
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Laura J Lewis-Tuffin
- Cytometry and Imaging Laboratory, Department of Research, Mayo Clinic, Jacksonville, FL, USA
| | - Jun Zhong
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Benjamin J Madden
- Proteomics Core, Medical Genome Facility, Mayo Clinic, Rochester, MN, USA
| | - Alban Ordureau
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Heeseon An
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Andreas Puschmann
- Department of Neurology, Lund University, Skane University Hospital, Sweden
| | | | - Owen A Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | - J Wade Harper
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Thomas R Caulfield
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA.,Department of Neurosurgery, Mayo Clinic, Jacksonville, FL, USA
| | - Wolfdieter Springer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
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24
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Tools for communicating risk for Parkinson’s disease. NPJ Parkinsons Dis 2022; 8:164. [DOI: 10.1038/s41531-022-00432-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 11/11/2022] [Indexed: 11/30/2022] Open
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25
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Dulski J, Uitti RJ, Ross OA, Wszolek ZK. Genetic architecture of Parkinson’s disease subtypes – Review of the literature. Front Aging Neurosci 2022; 14:1023574. [PMID: 36337703 PMCID: PMC9632166 DOI: 10.3389/fnagi.2022.1023574] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
The heterogeneity of Parkinson’s disease (PD) has been recognized since its description by James Parkinson over 200 years ago. The complexity of motor and non-motor PD manifestations has led to many attempts of PD subtyping with different prognostic outcomes; however, the pathophysiological foundations of PD heterogeneity remain elusive. Genetic contributions to PD may be informative in understanding the underpinnings of PD subtypes. As such, recognizing genotype-phenotype associations may be crucial for successful gene therapy. We review the state of knowledge on the genetic architecture underlying PD subtypes, discussing the monogenic forms, as well as oligo- and polygenic risk factors associated with various PD subtypes. Based on our review, we argue for the unification of PD subtyping classifications, the dichotomy of studies on genetic factors and genetic modifiers of PD, and replication of results from previous studies.
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Affiliation(s)
- Jarosław Dulski
- Department of Neurology, Mayo Clinic, Jacksonville, FL, United States
- Division of Neurological and Psychiatric Nursing, Faculty of Health Sciences, Medical University of Gdańsk, Gdańsk, Poland
- Department of Neurology, St. Adalbert Hospital, Copernicus PL Ltd., Gdańsk, Poland
| | - Ryan J. Uitti
- Department of Neurology, Mayo Clinic, Jacksonville, FL, United States
| | - Owen A. Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, United States
| | - Zbigniew K. Wszolek
- Department of Neurology, Mayo Clinic, Jacksonville, FL, United States
- *Correspondence: Zbigniew K. Wszolek,
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26
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Hu J, Waters CH, Spiegelman D, Fon EA, Yu E, Asayesh F, Krohn L, Saini P, Alcalay RN, Hassin-Baer S, Gan-Or Z, Krainc D, Zhang B, Bustos BI, Lubbe SJ. Gene-based burden analysis of damaging private variants in PRKN, PARK7 and PINK1 in Parkinson's disease cohorts of European descent. Neurobiol Aging 2022; 119:136-138. [DOI: 10.1016/j.neurobiolaging.2022.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/27/2022] [Accepted: 07/27/2022] [Indexed: 10/31/2022]
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