1
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Croucher KM, Fleming SM. ATP13A2 (PARK9) and basal ganglia function. Front Neurol 2024; 14:1252400. [PMID: 38249738 PMCID: PMC10796451 DOI: 10.3389/fneur.2023.1252400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 12/11/2023] [Indexed: 01/23/2024] Open
Abstract
ATP13A2 is a lysosomal protein involved in polyamine transport with loss of function mutations associated with multiple neurodegenerative conditions. These include early onset Parkinson's disease, Kufor-Rakeb Syndrome, neuronal ceroid lipofuscinosis, hereditary spastic paraplegia, and amyotrophic lateral sclerosis. While ATP13A2 mutations may result in clinical heterogeneity, the basal ganglia appear to be impacted in the majority of cases. The basal ganglia is particularly vulnerable to environmental exposures such as heavy metals, pesticides, and industrial agents which are also established risk factors for many neurodegenerative conditions. Not surprisingly then, impaired function of ATP13A2 has been linked to heavy metal toxicity including manganese, iron, and zinc. This review discusses the role of ATP13A2 in basal ganglia function and dysfunction, potential common pathological mechanisms in ATP13A2-related disorders, and how gene x environment interactions may contribute to basal ganglia dysfunction.
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Affiliation(s)
- Kristina M. Croucher
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, United States
- Biomedical Sciences Graduate Program, Kent State University, Kent, OH, United States
| | - Sheila M. Fleming
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, United States
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2
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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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3
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Satolli S, Di Fonzo A, Zanobio M, Pezzullo G, De Micco R. Kufor Rakeb syndrome without gaze palsy and pyramidal signs due to novel ATP13A2 mutations. Neurol Sci 2023; 44:3723-3725. [PMID: 37306797 DOI: 10.1007/s10072-023-06899-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/01/2023] [Indexed: 06/13/2023]
Affiliation(s)
- Sara Satolli
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Piazza Luigi Miraglia, 2, 80138, Naples, Italy
- Molecular Medicine for Neurodegenerative and Neuromuscular Diseases Unit, IRCCS Fondazione Stella Maris, Pisa, Italy
| | - Alessio Di Fonzo
- Neurology Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy
| | - Mariateresa Zanobio
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Giovanna Pezzullo
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Piazza Luigi Miraglia, 2, 80138, Naples, Italy
- Neuroradiology Unit, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Rosa De Micco
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Piazza Luigi Miraglia, 2, 80138, Naples, Italy.
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4
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Jagota P, Ugawa Y, Aldaajani Z, Ibrahim NM, Ishiura H, Nomura Y, Tsuji S, Diesta C, Hattori N, Onodera O, Bohlega S, Al-Din A, Lim SY, Lee JY, Jeon B, Pal PK, Shang H, Fujioka S, Kukkle PL, Phokaewvarangkul O, Lin CH, Shambetova C, Bhidayasiri R. Nine Hereditary Movement Disorders First Described in Asia: Their History and Evolution. J Mov Disord 2023; 16:231-247. [PMID: 37309109 PMCID: PMC10548072 DOI: 10.14802/jmd.23065] [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: 03/31/2023] [Revised: 05/19/2023] [Accepted: 05/26/2023] [Indexed: 06/14/2023] Open
Abstract
Clinical case studies and reporting are important to the discovery of new disorders and the advancement of medical sciences. Both clinicians and basic scientists play equally important roles leading to treatment discoveries for both cures and symptoms. In the field of movement disorders, exceptional observation of patients from clinicians is imperative, not just for phenomenology but also for the variable occurrences of these disorders, along with other signs and symptoms, throughout the day and the disease course. The Movement Disorders in Asia Task Force (TF) was formed to help enhance and promote collaboration and research on movement disorders within the region. As a start, the TF has reviewed the original studies of the movement disorders that were preliminarily described in the region. These include nine disorders that were first described in Asia: Segawa disease, PARK-Parkin, X-linked dystonia-parkinsonism, dentatorubral-pallidoluysian atrophy, Woodhouse-Sakati syndrome, benign adult familial myoclonic epilepsy, Kufor-Rakeb disease, tremulous dystonia associated with mutation of the calmodulin-binding transcription activator 2 gene, and paroxysmal kinesigenic dyskinesia. We hope that the information provided will honor the original researchers and help us learn and understand how earlier neurologists and basic scientists together discovered new disorders and made advances in the field, which impact us all to this day.
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Affiliation(s)
- Priya Jagota
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Yoshikazu Ugawa
- Department of Human Neurophysiology, Faculty of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Zakiyah Aldaajani
- Neurology Unit, King Fahad Military Medical Complex, Dhahran, Saudi Arabia
| | - Norlinah Mohamed Ibrahim
- Neurology Unit, Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Hiroyuki Ishiura
- Department of Neurology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshiko Nomura
- Yoshiko Nomura Neurological Clinic for Children, Tokyo, Japan
| | - Shoji Tsuji
- Institute of Medical Genomics, International University of Health and Welfare, Narita, Chiba, Japan
| | - Cid Diesta
- Section of Neurology, Department of Neuroscience, Makati Medical Center, NCR, Makati City, Philippines
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Osamu Onodera
- Department of Neurology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Saeed Bohlega
- Department of Neurosciences, King Faisal Specialist Hospital & Research Center, Riyad, Saudi Arabia
| | - Amir Al-Din
- Mid Yorkshire Hospitals National Health Services Trust, Wakefield, UK
| | - Shen-Yang Lim
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- The Mah Pooi Soo & Tan Chin Nam Centre for Parkinson’s & Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Jee-Young Lee
- Department of Neurology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center & Seoul National University Medical College, Seoul, Korea
| | - Beomseok Jeon
- Department of Neurology, Seoul National University, Seoul, Korea
- Movement Disorder Center, Seoul National University Hospital, Seoul, Korea
| | - Pramod Kumar Pal
- Department of Neurology, National Institute of Mental Health & Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Huifang Shang
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Shinsuke Fujioka
- Department of Neurology, Fukuoka University, Faculty of Medicine, Fukuoka, Japan
| | - Prashanth Lingappa Kukkle
- Center for Parkinson’s Disease and Movement Disorders, Manipal Hospital, Bangalore, India
- Parkinson's Disease and Movement Disorders Clinic, Bangalore, India
| | - Onanong Phokaewvarangkul
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Chin-Hsien Lin
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | | | - Roongroj Bhidayasiri
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
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5
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Lucchini R, Tieu K. Manganese-Induced Parkinsonism: Evidence from Epidemiological and Experimental Studies. Biomolecules 2023; 13:1190. [PMID: 37627255 PMCID: PMC10452806 DOI: 10.3390/biom13081190] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
Manganese (Mn) exposure has evolved from acute, high-level exposure causing manganism to low, chronic lifetime exposure. In this latter scenario, the target areas extend beyond the globus pallidus (as seen with manganism) to the entire basal ganglia, including the substantia nigra pars compacta. This change of exposure paradigm has prompted numerous epidemiological investigations of the occurrence of Parkinson's disease (PD), or parkinsonism, due to the long-term impact of Mn. In parallel, experimental research has focused on the underlying pathogenic mechanisms of Mn and its interactions with genetic susceptibility. In this review, we provide evidence from both types of studies, with the aim to link the epidemiological data with the potential mechanistic interpretation.
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Affiliation(s)
- Roberto Lucchini
- Department of Environmental Health Sciences, Florida International University, Miami, FL 33199, USA
| | - Kim Tieu
- Department of Environmental Health Sciences, Florida International University, Miami, FL 33199, USA
- Biomolecular Sciences Institute, Florida International University, Miami, FL 33199, USA
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6
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Mu J, Xue C, Fu L, Yu Z, Nie M, Wu M, Chen X, Liu K, Bu R, Huang Y, Yang B, Han J, Jiang Q, Chan KC, Zhou R, Li H, Huang A, Wang Y, Liu Z. Conformational cycle of human polyamine transporter ATP13A2. Nat Commun 2023; 14:1978. [PMID: 37031211 PMCID: PMC10082790 DOI: 10.1038/s41467-023-37741-0] [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: 11/06/2021] [Accepted: 03/28/2023] [Indexed: 04/10/2023] Open
Abstract
Dysregulation of polyamine homeostasis strongly associates with human diseases. ATP13A2, which is mutated in juvenile-onset Parkinson's disease and autosomal recessive spastic paraplegia 78, is a transporter with a critical role in balancing the polyamine concentration between the lysosome and the cytosol. Here, to better understand human ATP13A2-mediated polyamine transport, we use single-particle cryo-electron microscopy to solve high-resolution structures of human ATP13A2 in six intermediate states, including the putative E2 structure for the P5 subfamily of the P-type ATPases. These structures comprise a nearly complete conformational cycle spanning the polyamine transport process and capture multiple substrate binding sites distributed along the transmembrane regions, suggesting a potential polyamine transport pathway. Integration of high-resolution structures, biochemical assays, and molecular dynamics simulations allows us to obtain a better understanding of the structural basis of how hATP13A2 transports polyamines, providing a mechanistic framework for ATP13A2-related diseases.
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Affiliation(s)
- Jianqiang Mu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Chenyang Xue
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Lei Fu
- Shanghai Institute for Advanced Study, Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, 310027, Hangzhou, China
| | - Zongjun Yu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Minhan Nie
- School of Pharmaceutical Sciences, Sun Yat-sen University, No.132 Wai Huan Dong Lu, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
| | - Mengqi Wu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Xinmeng Chen
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Kun Liu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Ruiqian Bu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Ying Huang
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Baisheng Yang
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Jianming Han
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Qianru Jiang
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Kevin C Chan
- Shanghai Institute for Advanced Study, Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, 310027, Hangzhou, China
| | - Ruhong Zhou
- Shanghai Institute for Advanced Study, Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, 310027, Hangzhou, China
| | - Huilin Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, No.132 Wai Huan Dong Lu, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006, Guangzhou, Guangdong, China
| | - Ancheng Huang
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China
| | - Yong Wang
- Shanghai Institute for Advanced Study, Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, 310027, Hangzhou, China.
- The Provincial International Science and Technology Cooperation Base on Engineering Biology, International Campus of Zhejiang University, 314400, Haining, China.
| | - Zhongmin Liu
- Department of Immunology and Microbiology, School of Life Sciences, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, China.
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7
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Alvarez Jerez P, Alcantud JL, de Los Reyes-Ramírez L, Moore A, Ruz C, Vives Montero F, Rodriguez-Losada N, Saini P, Gan-Or Z, Alvarado CX, Makarious MB, Billingsley KJ, Blauwendraat C, Noyce AJ, Singleton AB, Duran R, Bandres-Ciga S. Exploring the genetic and genomic connection underlying neurodegeneration with brain iron accumulation and the risk for Parkinson's disease. NPJ Parkinsons Dis 2023; 9:54. [PMID: 37024536 PMCID: PMC10079978 DOI: 10.1038/s41531-023-00496-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/16/2023] [Indexed: 04/08/2023] Open
Abstract
Neurodegeneration with brain iron accumulation (NBIA) represents a group of neurodegenerative disorders characterized by abnormal iron accumulation in the brain. In Parkinson's Disease (PD), iron accumulation is a cardinal feature of degenerating regions in the brain and seems to be a key player in mechanisms that precipitate cell death. The aim of this study was to explore the genetic and genomic connection between NBIA and PD. We screened for known and rare pathogenic mutations in autosomal dominant and recessive genes linked to NBIA in a total of 4481 PD cases and 10,253 controls from the Accelerating Medicines Partnership Parkinsons' Disease Program and the UKBiobank. We examined whether a genetic burden of NBIA variants contributes to PD risk through single-gene, gene-set, and single-variant association analyses. In addition, we assessed publicly available expression quantitative trait loci (eQTL) data through Summary-based Mendelian Randomization and conducted transcriptomic analyses in blood of 1886 PD cases and 1285 controls. Out of 29 previously reported NBIA screened coding variants, four were associated with PD risk at a nominal p value < 0.05. No enrichment of heterozygous variants in NBIA-related genes risk was identified in PD cases versus controls. Burden analyses did not reveal a cumulative effect of rare NBIA genetic variation on PD risk. Transcriptomic analyses suggested that DCAF17 is differentially expressed in blood from PD cases and controls. Due to low mutation occurrence in the datasets and lack of replication, our analyses suggest that NBIA and PD may be separate molecular entities.
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Affiliation(s)
- Pilar Alvarez Jerez
- 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
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Jose Luis Alcantud
- Institute of Neurosciences "Federico Olóriz", Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Lucia de Los Reyes-Ramírez
- Laboratory of Neuropharmacology. Dept. Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Anni Moore
- Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Clara Ruz
- Institute of Neurosciences "Federico Olóriz", Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Francisco Vives Montero
- Institute of Neurosciences "Federico Olóriz", Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Noela Rodriguez-Losada
- Department Human Physiology, Faculty of Medicine, Biomedicine Research Institute of Malaga (IBIMA C07), University of Malaga, Malaga, Spain
| | - Prabhjyot Saini
- Montreal Neurological Institute, McGill University, Montréal, QC, Canada
- Department of Human Genetics, McGill University, Montréal, QC, Canada
| | - Ziv Gan-Or
- Montreal Neurological Institute, McGill University, Montréal, QC, Canada
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montréal, QC, Canada
| | - Chelsea X Alvarado
- 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
| | - 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
| | - Kimberley J Billingsley
- 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
| | - Cornelis Blauwendraat
- 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
| | - Alastair J Noyce
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
- Preventive Neurology Unit, Centre for Prevention, Detection and Diagnosis, Wolfson Institute of Population Health, Queen Mary University of London, London, UK
| | - 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
| | - Raquel Duran
- Institute of Neurosciences "Federico Olóriz", Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Sara Bandres-Ciga
- 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.
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8
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Kablan A, Silan F, Ozdemir O. Re-evaluation of Genetic Variants in Parkinson's Disease Using Targeted Panel and Next-Generation Sequencing. Twin Res Hum Genet 2023; 26:164-170. [PMID: 37139776 DOI: 10.1017/thg.2023.14] [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] [Indexed: 05/05/2023]
Abstract
Parkinson's disease (PD) is a complex disorder with a significant genetic component. Genetic variations associated with PD play a crucial role in the disease's inheritance and prognosis. Currently, 31 genes have been linked to PD in the OMIM database, and the number of genes and genetic variations identified is steadily increasing. To establish a robust correlation between phenotype and genotype, it is essential to compare research findings with existing literature. In this study, we aimed to identify genetic variants associated with PD using a targeted gene panel with next-generation sequencing (NGS) technology. Our objective was also to explore the idea of re-analyzing genetic variants of unknown significance (VUS). We screened 18 genes known to be related to PD using NGS in 43 patients who visited our outpatient clinic between 2018-2019. After 12-24 months, we re-evaluated the detected variants. We found 14 different heterozygous variants classified as pathogenic, likely pathogenic, or VUS in 14 individuals from nonconsanguineous families. We re-evaluated 15 variants and found changes in their interpretation. Targeted gene panel analysis with NGS can help identify genetic variants associated with PD with confidence. Re-analyzing certain variants at specific time intervals can be especially beneficial in selected situations. Our study aims to expand the clinical and genetic understanding of PD and emphasizes the importance of re-analysis.
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Affiliation(s)
- Ahmet Kablan
- Department of Medical Genetics, Faculty of Medicine, Canakkale Onsekiz Mart University, Canakkale, Turkey
- Department of Medical Genetics, Sanliurfa Training and Research Hospital, Sanliurfa, Turkey
| | - Fatma Silan
- Department of Medical Genetics, Faculty of Medicine, Canakkale Onsekiz Mart University, Canakkale, Turkey
| | - Ozturk Ozdemir
- Department of Medical Genetics, Faculty of Medicine, Canakkale Onsekiz Mart University, Canakkale, Turkey
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9
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Sim SI, Park E. P5-ATPases: Structure, substrate specificities, and transport mechanisms. Curr Opin Struct Biol 2023; 79:102531. [PMID: 36724561 DOI: 10.1016/j.sbi.2023.102531] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/30/2022] [Accepted: 12/19/2022] [Indexed: 02/01/2023]
Abstract
P5A- and P5B- ATPases, or collectively P5-ATPases, are eukaryotic-specific ATP-dependent transporters that are important for the function of the endoplasmic reticulum (ER) and endo-/lysosomes. However, their substrate specificities had remained enigmatic for many years. Recent cryo-electron microscopy (cryo-EM) and biochemical studies of P5-ATPases have revealed their substrate specificities and transport mechanisms, which were found to be markedly different from other members of the P-type ATPase superfamily. The P5A-ATPase extracts mistargeted or mis-inserted transmembrane helices from the ER membrane for protein quality control, while the P5B-ATPases mediate export of polyamines from late endo-/lysosomes into the cytosol. In this review, we discuss the mechanisms of their substrate recognition and transport based on the cryo-EM structures of the yeast and human P5-ATPases. We highlight how structural diversification of the transmembrane domain has enabled the P5-ATPase subfamily to adapt for transport of atypical substrates.
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Affiliation(s)
- Sue Im Sim
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Eunyong Park
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA; California Institute for Quantitative Biosciences, University of California, Berkeley, CA 94720, USA.
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10
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Yahya V, Di Fonzo A, Monfrini E. Genetic Evidence for Endolysosomal Dysfunction in Parkinson’s Disease: A Critical Overview. Int J Mol Sci 2023; 24:ijms24076338. [PMID: 37047309 PMCID: PMC10094484 DOI: 10.3390/ijms24076338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/23/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disorder in the aging population, and no disease-modifying therapy has been approved to date. The pathogenesis of PD has been related to many dysfunctional cellular mechanisms, however, most of its monogenic forms are caused by pathogenic variants in genes involved in endolysosomal function (LRRK2, VPS35, VPS13C, and ATP13A2) and synaptic vesicle trafficking (SNCA, RAB39B, SYNJ1, and DNAJC6). Moreover, an extensive search for PD risk variants revealed strong risk variants in several lysosomal genes (e.g., GBA1, SMPD1, TMEM175, and SCARB2) highlighting the key role of lysosomal dysfunction in PD pathogenesis. Furthermore, large genetic studies revealed that PD status is associated with the overall “lysosomal genetic burden”, namely the cumulative effect of strong and weak risk variants affecting lysosomal genes. In this context, understanding the complex mechanisms of impaired vesicular trafficking and dysfunctional endolysosomes in dopaminergic neurons of PD patients is a fundamental step to identifying precise therapeutic targets and developing effective drugs to modify the neurodegenerative process in PD.
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Affiliation(s)
- Vidal Yahya
- Dino Ferrari Center, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, 20122 Milan, Italy;
| | - Alessio Di Fonzo
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, 20122 Milan, Italy;
| | - Edoardo Monfrini
- Dino Ferrari Center, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, 20122 Milan, Italy;
- Correspondence:
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11
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Wang L, Klionsky DJ, Shen HM. The emerging mechanisms and functions of microautophagy. Nat Rev Mol Cell Biol 2023; 24:186-203. [PMID: 36097284 DOI: 10.1038/s41580-022-00529-z] [Citation(s) in RCA: 90] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2022] [Indexed: 02/08/2023]
Abstract
'Autophagy' refers to an evolutionarily conserved process through which cellular contents, such as damaged organelles and protein aggregates, are delivered to lysosomes for degradation. Different forms of autophagy have been described on the basis of the nature of the cargoes and the means used to deliver them to lysosomes. At present, the prevailing categories of autophagy in mammalian cells are macroautophagy, microautophagy and chaperone-mediated autophagy. The molecular mechanisms and biological functions of macroautophagy and chaperone-mediated autophagy have been extensively studied, but microautophagy has received much less attention. In recent years, there has been a growth in research on microautophagy, first in yeast and then in mammalian cells. Here we review this form of autophagy, focusing on selective forms of microautophagy. We also discuss the upstream regulatory mechanisms, the crosstalk between macroautophagy and microautophagy, and the functional implications of microautophagy in diseases such as cancer and neurodegenerative disorders in humans. Future research into microautophagy will provide opportunities to develop novel interventional strategies for autophagy- and lysosome-related diseases.
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Affiliation(s)
- Liming Wang
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Daniel J Klionsky
- Life Sciences Institute and Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA.
| | - Han-Ming Shen
- Faculty of Health Sciences, Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Macau, China. .,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
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12
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Mächtel R, Boros FA, Dobert JP, Arnold P, Zunke F. From Lysosomal Storage Disorders to Parkinson's Disease - Challenges and Opportunities. J Mol Biol 2022:167932. [PMID: 36572237 DOI: 10.1016/j.jmb.2022.167932] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/14/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Lysosomes are specialized organelles with an acidic pH that act as recycling hubs for intracellular and extracellular components. They harbour numerous different hydrolytic enzymes to degrade substrates like proteins, peptides, and glycolipids. Reduced catalytic activity of lysosomal enzymes can cause the accumulation of these substrates and loss of lysosomal integrity, resulting in lysosomal dysfunction and lysosomal storage disorders (LSDs). Post-mitotic cells, such as neurons, seem to be highly sensitive to damages induced by lysosomal dysfunction, thus LSDs often manifest with neurological symptoms. Interestingly, some LSDs and Parkinson's disease (PD) share common cellular pathomechanisms, suggesting convergence of aetiology of the two disease types. This is further underlined by genetic associations of several lysosomal genes involved in LSDs with PD. The increasing number of lysosome-associated genetic risk factors for PD makes it necessary to understand functions and interactions of lysosomal proteins/enzymes both in health and disease, thereby holding the potential to identify new therapeutic targets. In this review, we highlight genetic and mechanistic interactions between the complex lysosomal network, LSDs and PD, and elaborate on methodical challenges in lysosomal research.
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Affiliation(s)
- Rebecca Mächtel
- Department of Molecular Neurology, University Clinics Erlangen, Erlangen, Germany
| | | | - Jan Philipp Dobert
- Department of Molecular Neurology, University Clinics Erlangen, Erlangen, Germany
| | - Philipp Arnold
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany.
| | - Friederike Zunke
- Department of Molecular Neurology, University Clinics Erlangen, Erlangen, Germany.
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13
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Azfar M, van Veen S, Houdou M, Hamouda NN, Eggermont J, Vangheluwe P. P5B-ATPases in the mammalian polyamine transport system and their role in disease. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119354. [PMID: 36064065 DOI: 10.1016/j.bbamcr.2022.119354] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 06/15/2023]
Abstract
Polyamines (PAs) are physiologically relevant molecules that are ubiquitous in all organisms. The vitality of PAs to the healthy functioning of a cell is due to their polycationic nature causing them to interact with a vast plethora of cellular players and partake in numerous cellular pathways. Naturally, the homeostasis of such essential molecules is tightly regulated in a strictly controlled interplay between intracellular synthesis and degradation, uptake from and secretion to the extracellular compartment, as well as intracellular trafficking. Not surprisingly, dysregulated PA homeostasis and signaling are implicated in multiple disorders, ranging from cancer to neurodegeneration; leading many to propose rectifying the PA balance as a potential therapeutic strategy. Despite being well characterized in bacteria, fungi and plants, the molecular identity and properties of the PA transporters in animals are poorly understood. This review brings together the current knowledge of the cellular function of the mammalian PA transport system (PTS). We will focus on the role of P5B-ATPases ATP13A2-5 which are PA transporters in the endosomal system that have emerged as key players in cellular PA uptake and organelle homeostasis. We will discuss recent breakthroughs on their biochemical and structural properties as well as their implications for disease and therapy.
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Affiliation(s)
- Mujahid Azfar
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, KU Leuven, B-3000 Leuven, Belgium
| | - Sarah van Veen
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, KU Leuven, B-3000 Leuven, Belgium
| | - Marine Houdou
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, KU Leuven, B-3000 Leuven, Belgium
| | - Norin Nabil Hamouda
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium
| | - Jan Eggermont
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium
| | - Peter Vangheluwe
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, B-3000 Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, KU Leuven, B-3000 Leuven, Belgium.
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14
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Huang Z, Feng Z, Zou Y. New wine in old bottles: current progress on P5 ATPases. FEBS J 2022; 289:7304-7313. [PMID: 34449980 DOI: 10.1111/febs.16172] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 07/19/2021] [Accepted: 08/26/2021] [Indexed: 01/13/2023]
Abstract
P5 ATPases are evolutionarily conserved P-type transporters. Despite their important roles in the endoplasmic reticulum (ER) and in lysosomes, the substrate specificities and transporting mechanisms of P5 ATPases have remained mysterious. Recently, several studies have provided genetic, biochemical, and structural evidence to help elucidate the physiological functions and substrates of P5 ATPases. Here, we summarize this progress and discuss the potential transport mechanisms of the P5 ATPases-in particular, P5A ATPase-for further study.
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Affiliation(s)
- Zhiwen Huang
- School of Life Science and Technology, ShanghaiTech University, China
| | - Zhigang Feng
- School of Life Science and Technology, ShanghaiTech University, China
| | - Yan Zou
- School of Life Science and Technology, ShanghaiTech University, China
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15
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Salles PA, Liao J, Shuaib U, Mata IF, Fernandez HH. A Review on Response to Device-Aided Therapies Used in Monogenic Parkinsonism and GBA Variants Carriers: A Need for Guidelines and Comparative Studies. JOURNAL OF PARKINSON'S DISEASE 2022; 12:1703-1725. [PMID: 35662127 PMCID: PMC9535575 DOI: 10.3233/jpd-212986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Parkinson's disease (PD) is in some cases predisposed-or-caused by genetic variants, contributing to the expression of different phenotypes. Regardless of etiology, as the disease progresses, motor fluctuations and/or levodopa-induced dyskinesias limit the benefit of pharmacotherapy. Device-aided therapies are good alternatives in advanced disease, including deep brain stimulation (DBS), levodopa-carbidopa intestinal gel, and continuous subcutaneous infusion of apomorphine. Candidate selection and timing are critical for the success of such therapies. Genetic screening in DBS cohorts has shown a higher proportion of mutation carriers than in general cohorts, suggesting that genetic factors may influence candidacy for advanced therapies. The response of monogenic PD to device therapies is not well established, and the contribution of genetic information to decision-making is still a matter of debate. The limited evidence regarding gene-dependent response to device-aided therapies is reviewed here. An accurate understanding of the adequacy and responses of different mutation carriers to device-aided therapies requires the development of specific studies with long-term monitoring.
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Affiliation(s)
- Philippe A Salles
- Center for Neurological Restoration, Cleveland Clinic Neurological Institute, Cleveland, OH, USA.,Centro de Trastornos del Movimiento, CETRAM, Santiago, Chile
| | - James Liao
- Center for Neurological Restoration, Cleveland Clinic Neurological Institute, Cleveland, OH, USA
| | - Umar Shuaib
- Center for Neurological Restoration, Cleveland Clinic Neurological Institute, Cleveland, OH, USA
| | - Ignacio F Mata
- Lerner Research Institute, Genomic Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Hubert H Fernandez
- Center for Neurological Restoration, Cleveland Clinic Neurological Institute, Cleveland, OH, USA
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16
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Guelbert G, Venier AC, Cismondi IA, Becerra A, Vazquez JC, Fernández EA, De Paul AL, Guelbert N, Noher I, Pesaola F. Neuronal ceroid lipofuscinosis in the South American-Caribbean region: An epidemiological overview. Front Neurol 2022; 13:920421. [PMID: 36034292 PMCID: PMC9412946 DOI: 10.3389/fneur.2022.920421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/22/2022] [Indexed: 11/13/2022] Open
Abstract
Neuronal ceroid lipofuscinoses (NCLs) comprise 13 hereditary neurodegenerative pathologies of very low frequency that affect individuals of all ages around the world. All NCLs share a set of symptoms that are similar to other diseases. The exhaustive collection of data from diverse sources (clinical, genetic, neurology, ophthalmology, etc.) would allow being able in the future to define this group with greater precision for a more efficient diagnostic and therapeutic approach. Despite the large amount of information worldwide, a detailed study of the characteristics of the NCLs in South America and the Caribbean region (SA&C) has not yet been done. Here, we aim to present and analyse the multidisciplinary evidence from all the SA&C with qualitative weighting and biostatistical evaluation of the casuistry. Seventy-one publications from seven countries were reviewed, and data from 261 individuals (including 44 individuals from the Cordoba cohort) were collected. Each NCL disease, as well as phenotypical and genetic data were described and discussed in the whole group. The CLN2, CLN6, and CLN3 disorders are the most frequent in the region. Eighty-seven percent of the individuals were 10 years old or less at the onset of symptoms. Seizures were the most common symptom, both at onset (51%) and throughout the disease course, followed by language (16%), motor (15%), and visual impairments (11%). Although symptoms were similar in all NCLs, some chronological differences could be observed. Sixty DNA variants were described, ranging from single nucleotide variants to large chromosomal deletions. The diagnostic odyssey was probably substantially decreased after medical education activities promoted by the pharmaceutical industry and parent organizations in some SA&C countries. There is a statistical deviation in the data probably due to the approval of the enzyme replacement therapy for CLN2 disease, which has led to a greater interest among the medical community for the early description of this pathology. As a general conclusion, it became clear in this work that the combined bibliographical/retrospective evaluation approach allowed a general overview of the multidisciplinary components and the epidemiological tendencies of NCLs in the SA&C region.
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Affiliation(s)
- Guillermo Guelbert
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Servicio de Enfermedades Metabólicas Hereditarias, Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
| | - Ana Clara Venier
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Centro de Microscopía Electrónica, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Investigación en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina
| | - Ines Adriana Cismondi
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Facultad de Odontología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Adriana Becerra
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Servicio de Enfermedades Metabólicas Hereditarias, Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
| | - Juan Carlos Vazquez
- Centro de Investigación y Desarrollo en Inmunología y Enfermedades Infecciosas, Universidad Católica de Córdoba, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina
| | - Elmer Andrés Fernández
- Centro de Investigación y Desarrollo en Inmunología y Enfermedades Infecciosas, Universidad Católica de Córdoba, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina
| | - Ana Lucía De Paul
- Centro de Microscopía Electrónica, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Investigación en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina
| | - Norberto Guelbert
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Servicio de Enfermedades Metabólicas Hereditarias, Clínica Universitaria “Reina Fabiola”, Córdoba, Argentina
| | - Ines Noher
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Universidad Nacional de Córdoba, Córdoba, Argentina
- *Correspondence: Ines Noher ;
| | - Favio Pesaola
- Programa de Investigación Translacional de Lipofuscinosis Ceroidea Neuronal (NCL Program), Hospital de Niños de la Santísima Trinidad, Córdoba, Argentina
- Department of Pediatrics, Washington University in Saint Louis School of Medicine, St. Louis, MO, United States
- Favio Pesaola ;
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17
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Gao H, Sun H, Yan N, Zhao P, Xu H, Zheng W, Zhang X, Wang T, Guo C, Zhong M. ATP13A2 Declines Zinc-Induced Accumulation of α-Synuclein in a Parkinson’s Disease Model. Int J Mol Sci 2022; 23:ijms23148035. [PMID: 35887392 PMCID: PMC9318580 DOI: 10.3390/ijms23148035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 02/01/2023] Open
Abstract
Parkinson’s disease (PD) is characterized by the presence of Lewy bodies caused by α-synuclein. The imbalance of zinc homeostasis is a major cause of PD, promoting α-synuclein accumulation. ATP13A2, a transporter found in acidic vesicles, plays an important role in Zn2+ homeostasis and is highly expressed in Lewy bodies in PD-surviving neurons. ATP13A2 is involved in the transport of zinc ions in lysosomes and exosomes and inhibits the aggregation of α-synuclein. However, the potential mechanism underlying the regulation of zinc homeostasis and α-synuclein accumulation by ATP13A2 remains unexplored. We used α-synuclein-GFP transgenic mice and HEK293 α-synuclein-DsRed cell line as models. The spatial exploration behavior of mice was significantly reduced, and phosphorylation levels of α-synuclein increased upon high Zn2+ treatment. High Zn2+ also inhibited the autophagy pathway by reducing LAMP2a levels and changing the expression of LC3 and P62, by reducing mitochondrial membrane potential and increasing the expression of cytochrom C, and by activating the ERK/P38 apoptosis signaling pathway, ultimately leading to increased caspase 3 levels. These protein changes were reversed after ATP13A2 overexpression, whereas ATP13A2 knockout exacerbated α-synuclein phosphorylation levels. These results suggest that ATP13A2 may have a protective effect on Zn2+-induced abnormal aggregation of α-synuclein, lysosomal dysfunction, and apoptosis.
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Affiliation(s)
- Huiling Gao
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Hehong Sun
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Nan Yan
- School of Medical Applied Technology, Shenyang Medical College, Shenyang 110034, China;
| | - Pu Zhao
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - He Xu
- Department of Anatomy, Histology and Embryology, School of Medicine, Shenzhen University, Shenzhen 518060, China;
| | - Wei Zheng
- Department of Histology and Embryology, School of Basic Medical Sciences, China Medical University, Shenyang 110122, China;
| | - Xiaoyu Zhang
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
| | - Tao Wang
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Chuang Guo
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Manli Zhong
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
- Correspondence:
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18
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The Involvement of Polyamines Catabolism in the Crosstalk between Neurons and Astrocytes in Neurodegeneration. Biomedicines 2022; 10:biomedicines10071756. [PMID: 35885061 PMCID: PMC9312548 DOI: 10.3390/biomedicines10071756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/19/2022] Open
Abstract
In mammalian cells, the content of polyamines is tightly regulated. Polyamines, including spermine, spermidine and putrescine, are involved in many cellular processes. Spermine oxidase specifically oxidizes spermine, and its deregulated activity has been reported to be linked to brain pathologies involving neuron damage. Spermine is a neuromodulator of a number of ionotropic glutamate receptors and types of ion channels. In this respect, the Dach-SMOX mouse model overexpressing spermine oxidase in the neocortex neurons was revealed to be a model of chronic oxidative stress, excitotoxicity and neuronal damage. Reactive astrocytosis, chronic oxidative and excitotoxic stress, neuron loss and the susceptibility to seizure in the Dach-SMOX are discussed here. This genetic model would help researchers understand the linkage between polyamine dysregulation and neurodegeneration and unveil the roles of polyamines in the crosstalk between astrocytes and neurons in neuroprotection or neurodegeneration.
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19
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Zhang F, Wu Z, Long F, Tan J, Gong N, Li X, Lin C. The Roles of ATP13A2 Gene Mutations Leading to Abnormal Aggregation of α-Synuclein in Parkinson’s Disease. Front Cell Neurosci 2022; 16:927682. [PMID: 35875356 PMCID: PMC9296842 DOI: 10.3389/fncel.2022.927682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disease. PARK9 (also known as ATP13A2) is recognized as one of the key genes that cause PD, and a mutation in this gene was first discovered in a rare case of PD in an adolescent. Lewy bodies (LBs) formed by abnormal aggregation of α-synuclein, which is encoded by the SNCA gene, are one of the pathological diagnostic criteria for PD. LBs are also recognized as one of the most important features of PD pathogenesis. In this article, we first summarize the types of mutations in the ATP13A2 gene and their effects on ATP13A2 mRNA and protein structure; then, we discuss lysosomal autophagy inhibition and the molecular mechanism of abnormal α-synuclein accumulation caused by decreased levels and dysfunction of the ATP13A2 protein in lysosomes. Finally, this article provides a new direction for future research on the pathogenesis and therapeutic targets for ATP13A2 gene-related PD from the perspective of ATP13A2 gene mutations and abnormal aggregation of α-synuclein.
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Affiliation(s)
- Fan Zhang
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhiwei Wu
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Fei Long
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Jieqiong Tan
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
- Key Laboratory of Molecular Precision Medicine of Hunan Province, Center for Medical Genetics, Institute of Molecular Precision Medicine, Xiangya Hospital of Central South University, Changsha, China
| | - Ni Gong
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Xiaorong Li
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Changwei Lin
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
- *Correspondence: Changwei Lin, orcid.org/0000-0003-1676-0912
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20
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Prieto Huarcaya S, Drobny A, Marques ARA, Di Spiezio A, Dobert JP, Balta D, Werner C, Rizo T, Gallwitz L, Bub S, Stojkovska I, Belur NR, Fogh J, Mazzulli JR, Xiang W, Fulzele A, Dejung M, Sauer M, Winner B, Rose-John S, Arnold P, Saftig P, Zunke F. Recombinant pro-CTSD (cathepsin D) enhances SNCA/α-Synuclein degradation in α-Synucleinopathy models. Autophagy 2022; 18:1127-1151. [PMID: 35287553 PMCID: PMC9196656 DOI: 10.1080/15548627.2022.2045534] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Parkinson disease (PD) is a neurodegenerative disorder characterized by the abnormal intracellular accumulation of SNCA/α-synuclein. While the exact mechanisms underlying SNCA pathology are not fully understood, increasing evidence suggests the involvement of autophagy as well as lysosomal deficiencies. Because CTSD (cathepsin D) has been proposed to be the major lysosomal protease involved in SNCA degradation, its deficiency has been linked to the presence of insoluble SNCA conformers in the brain of mice and humans as well as to the transcellular transmission of SNCA aggregates. We here postulate that SNCA degradation can be enhanced by the application of the recombinant human proform of CTSD (rHsCTSD). Our results reveal that rHsCTSD is efficiently endocytosed by neuronal cells, correctly targeted to lysosomes and matured to an enzymatically active protease. In dopaminergic neurons derived from induced pluripotent stem cells (iPSC) of PD patients harboring the A53T mutation within the SNCA gene, we confirm the reduction of insoluble SNCA after treatment with rHsCTSD. Moreover, we demonstrate a decrease of pathological SNCA conformers in the brain and within primary neurons of a ctsd-deficient mouse model after dosing with rHsCTSD. Boosting lysosomal CTSD activity not only enhanced SNCA clearance in human and murine neurons as well as tissue, but also restored endo-lysosome and autophagy function. Our findings indicate that CTSD is critical for SNCA clearance and function. Thus, enzyme replacement strategies utilizing CTSD may also be of therapeutic interest for the treatment of PD and other synucleinopathies aiming to decrease the SNCA burden.Abbreviations: aa: amino acid; SNCA/α-synuclein: synuclein alpha; APP: amyloid beta precursor protein; BBB: blood brain barrier; BF: basal forebrain; CBB: Coomassie Brilliant Blue; CLN: neuronal ceroid lipofuscinosis; CNL10: neuronal ceroid lipofuscinosis type 10; Corr.: corrected; CTSD: cathepsin D; CTSB: cathepsin B; DA: dopaminergic; DA-iPSn: induced pluripotent stem cell-derived dopaminergic neurons; dox: doxycycline; ERT: enzyme replacement therapy; Fx: fornix, GBA/β-glucocerebrosidase: glucosylceramidase beta; h: hour; HC: hippocampus; HT: hypothalamus; i.c.: intracranially; IF: immunofluorescence; iPSC: induced pluripotent stem cell; KO: knockout; LAMP1: lysosomal associated membrane protein 1; LSDs: lysosomal storage disorders; MAPT: microtubule associated protein tau; M6P: mannose-6-phosphate; M6PR: mannose-6-phosphate receptor; MB: midbrain; mCTSD: mature form of CTSD; neurofil.: neurofilament; PD: Parkinson disease; proCTSD: proform of CTSD; PRNP: prion protein; RFU: relative fluorescence units; rHsCTSD: recombinant human proCTSD; SAPC: Saposin C; SIM: structured illumination microscopy; T-insol: Triton-insoluble; T-sol: Triton-soluble; TEM: transmission electron microscopy, TH: tyrosine hydroxylase; Thal: thalamus.
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Affiliation(s)
| | - Alice Drobny
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
| | - André R A Marques
- iNOVA4Health, Chronic Diseases Research Center (CEDOC), Nova Medical School, Nms, Nova University Lisbon, Lisboa, Portugal
| | | | - Jan Philipp Dobert
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
| | - Denise Balta
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
| | - Christian Werner
- Department of Biotechnology and Biophysics, University of Würzburg, Biocenter, Am Hubland, Würzburg, Germany
| | - Tania Rizo
- Department of Stem Cell Biology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
| | - Lisa Gallwitz
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Simon Bub
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
| | - Iva Stojkovska
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
| | - Nandkishore R Belur
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
| | | | - Joseph R Mazzulli
- Department of Biotechnology and Biophysics, University of Würzburg, Biocenter, Am Hubland, Würzburg, Germany
| | - Wei Xiang
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
| | - Amitkumar Fulzele
- Institute of Molecular Biology (IMB), Ackermannweg 4, Mainz, Germany
| | - Mario Dejung
- Institute of Molecular Biology (IMB), Ackermannweg 4, Mainz, Germany
| | - Markus Sauer
- Department of Biotechnology and Biophysics, University of Würzburg, Biocenter, Am Hubland, Würzburg, Germany
| | - Beate Winner
- Department of Stem Cell Biology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
| | - Stefan Rose-John
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Philipp Arnold
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Paul Saftig
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Friederike Zunke
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (Fau), Erlangen, Germany
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21
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Dang T, Cao WJ, Zhao R, Lu M, Hu G, Qiao C. ATP13A2 protects dopaminergic neurons in Parkinson's disease: from biology to pathology. J Biomed Res 2022; 36:98-108. [PMID: 35387901 PMCID: PMC9002154 DOI: 10.7555/jbr.36.20220001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
As a late endosomal/lysosomal transport protein of the P5-type, ATP13A2 is capable of removing the abnormal accumulation of α-synuclein, which maintains the homeostasis of metal ions and polyamines in the central nervous system. Furthermore, ATP13A2 regulates the normal function of several organelles such as lysosomes, endoplasmic reticulum (ER) and mitochondria, and maintains the normal physiological activity of neural cells. Especially, ATP13A2 protects dopaminergic (DA) neurons against environmental or genetically induced Parkinson's disease (PD). As we all know, PD is a neurodegenerative disease characterized by the loss of DA neurons in the substantia nigra pars compacta. An increasing number of studies have reported that the loss-of-function of ATP13A2 affects normal physiological processes of various organelles, leading to abnormalities and the death of DA neurons. Previous studies in our laboratory have also shown that ATP13A2 deletion intensifies the neuroinflammatory response induced by astrocytes, thus inducing DA neuronal injury. In addition to elucidating the normal structure and function of ATP13A2, this review summarized the pathological mechanisms of ATP13A2 mutations leading to PD in existing literature studies, deepening the understanding of ATP13A2 in the pathological process of PD and other related neurodegenerative diseases. This review provides inspiration for investigators to explore the essential regulatory role of ATP13A2 in PD in the future.
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Affiliation(s)
- Tao Dang
- Department of Clinical Pharmacy, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China.,College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wen-Jing Cao
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan 411100, China
| | - Rong Zhao
- Department of Clinical Pharmacy, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Ming Lu
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Gang Hu
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Chen Qiao
- Department of Clinical Pharmacy, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, China.,College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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22
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Impact of endolysosomal dysfunction upon exosomes in neurodegenerative diseases. Neurobiol Dis 2022; 166:105651. [DOI: 10.1016/j.nbd.2022.105651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/11/2022] [Accepted: 01/25/2022] [Indexed: 11/22/2022] Open
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23
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Huang Y, Wei J, Cooper A, Morris MJ. Parkinson's Disease: From Genetics to Molecular Dysfunction and Targeted Therapeutic Approaches. Genes Dis 2022. [DOI: 10.1016/j.gendis.2021.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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24
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Tillinghast J, Drury S, Bowser D, Benn A, Lee KPK. Structural mechanisms for gating and ion selectivity of the human polyamine transporter ATP13A2. Mol Cell 2021; 81:4650-4662.e4. [PMID: 34715014 DOI: 10.1016/j.molcel.2021.10.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/01/2021] [Accepted: 10/02/2021] [Indexed: 11/17/2022]
Abstract
Mutations in ATP13A2, also known as PARK9, cause a rare monogenic form of juvenile-onset Parkinson's disease named Kufor-Rakeb syndrome and other neurodegenerative diseases. ATP13A2 encodes a neuroprotective P5B P-type ATPase highly enriched in the brain that mediates selective import of spermine ions from lysosomes into the cytosol via an unknown mechanism. Here we present three structures of human ATP13A2 bound to an ATP analog or to spermine in the presence of phosphomimetics determined by cryoelectron microscopy. ATP13A2 autophosphorylation opens a lysosome luminal gate to reveal a narrow lumen access channel that holds a spermine ion in its entrance. ATP13A2's architecture suggests physical principles underlying selective polyamine transport and anticipates a "pump-channel" intermediate that could function as a counter-cation conduit to facilitate lysosome acidification. Our findings establish a firm foundation to understand ATP13A2 mutations associated with disease and bring us closer to realizing ATP13A2's potential in neuroprotective therapy.
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Affiliation(s)
- Jordan Tillinghast
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Sydney Drury
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Darren Bowser
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Alana Benn
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Kenneth Pak Kin Lee
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA.
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25
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Sim SI, von Bülow S, Hummer G, Park E. Structural basis of polyamine transport by human ATP13A2 (PARK9). Mol Cell 2021; 81:4635-4649.e8. [PMID: 34715013 DOI: 10.1016/j.molcel.2021.08.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/17/2021] [Accepted: 08/11/2021] [Indexed: 02/03/2023]
Abstract
Polyamines are small, organic polycations that are ubiquitous and essential to all forms of life. Currently, how polyamines are transported across membranes is not understood. Recent studies have suggested that ATP13A2 and its close homologs, collectively known as P5B-ATPases, are polyamine transporters at endo-/lysosomes. Loss-of-function mutations of ATP13A2 in humans cause hereditary early-onset Parkinson's disease. To understand the polyamine transport mechanism of ATP13A2, we determined high-resolution cryoelectron microscopy (cryo-EM) structures of human ATP13A2 in five distinct conformational intermediates, which together, represent a near-complete transport cycle of ATP13A2. The structural basis of the polyamine specificity was revealed by an endogenous polyamine molecule bound to a narrow, elongated cavity within the transmembrane domain. The structures show an atypical transport path for a water-soluble substrate, in which polyamines may exit within the cytosolic leaflet of the membrane. Our study provides important mechanistic insights into polyamine transport and a framework to understand the functions and mechanisms of P5B-ATPases.
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Affiliation(s)
- Sue Im Sim
- Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, CA 94720, USA
| | - Sören von Bülow
- Department of Theoretical Biophysics, Max Planck Institute of Biophysics, 60438 Frankfurt am Main, Germany
| | - Gerhard Hummer
- Department of Theoretical Biophysics, Max Planck Institute of Biophysics, 60438 Frankfurt am Main, Germany; Institute for Biophysics, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany
| | - Eunyong Park
- Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, CA 94720, USA; California Institute for Quantitative Biosciences, University of California Berkeley, Berkeley, CA 94720, USA.
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26
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Gagliardi M, Procopio R, Nicoletti G, Morelli M, Brighina L, Quattrone A, Bonapace G, Malanga D, Quattrone A, Annesi G. Mutation analysis of the ATP13A2 gene in patients with PD and MSA from Italy. J Neurol Sci 2021; 430:120031. [PMID: 34695705 DOI: 10.1016/j.jns.2021.120031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/15/2021] [Accepted: 10/12/2021] [Indexed: 10/20/2022]
Affiliation(s)
- Monica Gagliardi
- Institute for Biomedical Research and Innovation, National Research Council, Mangone, CS, Italy.
| | - Radha Procopio
- Institute of Neurology, Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | - Giuseppe Nicoletti
- Institute of Molecular Bioimaging and Physiology, National Research Council, Section of Germaneto, Catanzaro, Italy
| | - Maurizio Morelli
- Institute of Neurology, Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | - Laura Brighina
- Department of Neurology, Milan Center for Neuroscience, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Andrea Quattrone
- Institute of Neurology, Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | - Giuseppe Bonapace
- Department of Medical and Surgical Science, Pediatrics Unit, University Magna Graecia, Catanzaro, Italy
| | - Donatella Malanga
- Laboratory of Molecular Oncology, Department of Experimental and Clinical Medicine, Magna Graecia University, Catanzaro, Italy; Interdepartmental Center of Services (CIS), Magna Graecia University, Catanzaro, Italy
| | - Aldo Quattrone
- Institute of Molecular Bioimaging and Physiology, National Research Council, Section of Germaneto, Catanzaro, Italy; Neuroscience Center, University Magna Graecia, Catanzaro, Italy
| | - Grazia Annesi
- Institute for Biomedical Research and Innovation, National Research Council, Mangone, CS, Italy
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27
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Mateeva T, Klähn M, Rosta E. Structural Dynamics and Catalytic Mechanism of ATP13A2 (PARK9) from Simulations. J Phys Chem B 2021; 125:11835-11847. [PMID: 34676749 DOI: 10.1021/acs.jpcb.1c05337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
ATP13A2 is a gene encoding a protein of the P5B subfamily of ATPases and is a PARK gene. Molecular defects of the gene are mainly associated with variations of Parkinson's disease (PD). Despite the established importance of the protein in regulating neuronal integrity, the three-dimensional structure of the protein currently remains unresolved crystallographically. We have modeled the structure and reactivity of the full-length protein in its E1-ATP state. Using molecular dynamics (MD), quantum cluster, and quantum mechanical/molecular mechanical (QM/MM) methods, we aimed at describing the main catalytic reaction, leading to the phosphorylation of Asp513. Our MD simulations suggest that two positively charged Mg2+ cations are present at the active site during the catalytic reaction, stabilizing a specific triphosphate binding mode. Using QM/MM calculations, we subsequently calculated the reaction profiles for the phosphoryl transfer step in the presence of one and two Mg2+ cations. The calculated barrier heights in both cases are found to be ∼12.5 and 7.5 kcal mol-1, respectively. We elucidated details of the catalytically competent ATP conformation and the binding mode of the second Mg2+ cofactor. We also examined the role of the conserved Arg686 and Lys859 catalytic residues. We observed that by significantly lowering the barrier height of the ATP cleavage reaction, Arg686 had major effect on the reaction. The removal of Arg686 increased the barrier height for the ATP cleavage by more than 5.0 kcal mol-1 while the removal of key electrostatic interactions created by Lys859 to the γ-phosphate and Asp513 destabilizes the reactant state. When missense mutations occur in close proximity to an active site residue, they can interfere with the barrier height of the reaction, which can halt the normal enzymatic rate of the protein. We also found large binding pockets in the full-length structure, including a transmembrane domain pocket, which is likely where the ATP13A2 cargo binds.
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Affiliation(s)
- Teodora Mateeva
- Department of Chemistry, Faculty of Natural & Mathematical Sciences, King's College London, London SE1 1DB, U.K
| | - Marco Klähn
- Department of Materials Science and Chemistry, Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR), Singapore 138 632, Singapore
| | - Edina Rosta
- Department of Chemistry, Faculty of Natural & Mathematical Sciences, King's College London, London SE1 1DB, U.K.,Department of Physics and Astronomy, Faculty of Maths & Physical Sciences, University College London, London WC1E 6BT, U.K
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28
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Chen X, Zhou M, Zhang S, Yin J, Zhang P, Xuan X, Wang P, Liu Z, Zhou B, Yang M. Cryo-EM structures and transport mechanism of human P5B type ATPase ATP13A2. Cell Discov 2021; 7:106. [PMID: 34728622 PMCID: PMC8564547 DOI: 10.1038/s41421-021-00334-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/07/2021] [Indexed: 11/18/2022] Open
Abstract
Polyamines are important polycations that play critical roles in mammalian cells. ATP13A2 belongs to the orphan P5B adenosine triphosphatases (ATPase) family and has been established as a lysosomal polyamine exporter to maintain the normal function of lysosomes and mitochondria. Previous studies have reported that several human neurodegenerative disorders are related to mutations in the ATP13A2 gene. However, the transport mechanism of ATP13A2 in the lysosome remains unclear. Here, we report the cryo-electron microscopy (cryo-EM) structures of three distinct intermediates of the human ATP13A2, revealing key insights into the spermine (SPM) transport cycle in the lysosome. The transmembrane domain serves as a substrate binding site and the C-terminal domain is essential for protein stability and may play a regulatory role. These findings advance our understanding of the polyamine transport mechanism, the lipid-associated regulation, and the disease-associated mutants of ATP13A2.
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Affiliation(s)
- Xudong Chen
- Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Mingze Zhou
- Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Sensen Zhang
- Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Jian Yin
- Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Ping Zhang
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Xujun Xuan
- Department of Andrology, The Seventh Affiliated Hospital, Sun Yat-sen University, ShenZhen, Guangdong, China
| | - Peiyi Wang
- Cryo-EM Facility Center, Southern University of Science & Technology, Shenzhen, Guangdong, China.
| | - Zhiqiang Liu
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Boda Zhou
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
| | - Maojun Yang
- Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China.
- Cryo-EM Facility Center, Southern University of Science & Technology, Shenzhen, Guangdong, China.
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29
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Heterozygous GBA D409V and ATP13a2 mutations do not exacerbate pathological α-synuclein spread in the prodromal preformed fibrils model in young mice. Neurobiol Dis 2021; 159:105513. [PMID: 34536552 DOI: 10.1016/j.nbd.2021.105513] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/24/2021] [Accepted: 09/14/2021] [Indexed: 12/15/2022] Open
Abstract
Autophagic dysregulation and lysosomal impairment have been implicated in the pathogenesis of Parkinson's disease, partly due to the identification of mutations in multiple genes involved in these pathways such as GBA, SNCA, ATP13a2 (also known as PARK9), TMEM175 and LRRK2. Mutations resulting in lysosomal dysfunction are proposed to contribute to Parkinson's disease by increasing α-synuclein levels, that in turn may promote aggregation of this protein. Here, we used two different genetic models-one heterozygous for a mutated form of the GBA protein (D409V), and the other heterozygous for an ATP13a2 loss-of-function mutation, to test whether these mutations exacerbate the spread of α-synuclein pathology following injection of α-synuclein preformed fibrils in the olfactory bulb of 12-week-old mice. Contrary to our hypothesis, we found that mice harboring GBA D409V+/- and ATP13a2+/- mutations did not have exacerbated behavioral impairments or histopathology (α-synuclein, LAMP2, and Iba1) when compared to their wildtype littermates. This indicates that in the young mouse brain, neither the GBA D409V mutation or ATP13a2 loss-of-function mutation accelerate the spread of α-synuclein pathology. As a consequence, we postulate that these mutations increase Parkinson's disease risk only by acting in one of the initial, upstream events in the Parkinson's disease pathogenic process. Further, the mutations, and the molecular pathways they impact, appear to play a less important role once the pathogenic process has been triggered and therefore do not specifically influence α-synuclein pathology spread.
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30
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Bhardwaj NK, Gowda VK, Saini J, Sardesai AV, Santhoshkumar R, Mahadevan A. Neurodegeneration with brain iron accumulation: Characterization of clinical, radiological, and genetic features of pediatric patients from Southern India. Brain Dev 2021; 43:1013-1022. [PMID: 34272103 DOI: 10.1016/j.braindev.2021.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/03/2021] [Accepted: 06/28/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND Neurodegeneration with brain iron accumulation (NBIA) is a group of rare inherited neurodegenerative disorders. Ten types of NBIA are known. Studies reporting various NBIA subtypes together are few. This study was aimed at describing clinical features, neuroimaging findings, and genetic mutations of different NBIA group disorders. METHODS Clinical, radiological, and genetic data of patients diagnosed with NBIA in a tertiary care centre in Southern India from 2014 to 2020 was retrospectively collected and analysed. RESULTS In our cohort of 27 cases, PLA2G6-associated neurodegeneration (PLAN) was most common (n = 13) followed by Pantothenate kinase-associated neurodegeneration (PKAN) (n = 9). We had 2 cases each of Mitochondrial membrane-associated neurodegeneration (MPAN) and Beta-propeller protein- associated neurodegeneration (BPAN) and 1 case of Kufor-Rakeb Syndrome (KRS). Walking difficulty was the presenting complaint in all PKAN cases, whereas the presentation in PLAN was that of development regression with onset at a mean age of 2 years. Overall, 50% patients of them presented with development regression and one-third had epilepsy. Presence of pyramidal signs was most common examination feature (89%) followed by one or more eye findings (81%) and movement disorders (50%). Neuroimaging was abnormal in 24/27 cases and cerebellar atrophy was the commonest finding (52%) followed by globus pallidus hypointensities (44%). CONCLUSIONS One should have a high index of clinical suspicion for the diagnosis of NBIA in children presenting with neuroregression and vision abnormalities in presence of pyramidal signs or movement disorders. Neuroimaging and ophthalmological evaluation provide important clues to diagnosis in NBIA syndromes.
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Affiliation(s)
- Naveen Kumar Bhardwaj
- Pediatric Neurology, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | - Vykuntaraju K Gowda
- Pediatric Neurology, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India.
| | - Jitendra Saini
- Neuroradiology, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
| | - Ashwin Vivek Sardesai
- Pediatric Neurology, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | - Rashmi Santhoshkumar
- Electron Microscope Laboratory, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Anita Mahadevan
- Department of Neuropathology, National Institute of Mental Health and Neurosciences, Bangalore, India
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31
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Chien HF, Rodriguez RD, Bonifati V, Nitrini R, Pasqualucci CA, Gelpi E, Barbosa ER. Neuropathologic Findings in a Patient With Juvenile-Onset Levodopa-Responsive Parkinsonism Due to ATP13A2 Mutation. Neurology 2021; 97:763-766. [PMID: 34475127 DOI: 10.1212/wnl.0000000000012705] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 08/04/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To describe the postmortem neuropathologic findings of a patient with Kufor Rakeb syndrome (KRS) due to ATP13A2 mutation. KRS is characterized by juvenile-onset levodopa-responsive parkinsonism associated with pyramidal signs, supranuclear gaze palsy, and cognitive impairment. METHODS A detailed neuropathologic analysis of the brain was performed. The patient had a genetically confirmed ATP13A2 homozygous missense mutation and died at age 38 years, which was 26 years after the onset of his symptoms. RESULTS The main brain neuropathologic findings were widespread neuronal and glial lipofuscin accumulation with no Lewy body-type inclusions and absence of α-synuclein-positive, tau-positive, β-amyloid-positive, and TDP-43 protein-positive pathologies. Sparse iron deposits were observed in several brain areas, but no obvious axonal spheroids were identified. DISCUSSION This is to our knowledge the first KRS postmortem neuropathologic description. Iron deposits were found but not associated with increased axonal spheroids, as frequently observed in neurodegeneration with brain iron accumulation. ATP13A2 mutations have been described in patients with neuronal ceroid lipofuscinosis (CLN). Moreover, animal models with these mutations develop neurodegenerative disorders with CLN pathology. Therefore, our findings support that ATP13A2 mutations may be considered a genetic etiology of neuronal lipofuscinosis.
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Affiliation(s)
- Hsin Fen Chien
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria.
| | - Roberta Diehl Rodriguez
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
| | - Vincenzo Bonifati
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
| | - Ricardo Nitrini
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
| | - Carlos Augusto Pasqualucci
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
| | - Ellen Gelpi
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
| | - Egberto Reis Barbosa
- From the Department of Orthopedic and Traumatology (H.F.C.); Department of Neurology (H.F.C., R.D.R., R.N., E.R.B.); Biobank for Aging Studies (R.D.R., R.N., C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; Department of Clinical Genetics (V.B.), Erasmus MC, Rotterdam, The Netherlands; Department of Pathology (C.A.P.), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Brazil; and Division of Neuropathology and Neurochemistry (E.G.), Department of Neurology, Medical University of Vienna, Austria
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32
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Guadagnolo D, Piane M, Torrisi MR, Pizzuti A, Petrucci S. Genotype-Phenotype Correlations in Monogenic Parkinson Disease: A Review on Clinical and Molecular Findings. Front Neurol 2021; 12:648588. [PMID: 34630269 PMCID: PMC8494251 DOI: 10.3389/fneur.2021.648588] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 03/08/2021] [Indexed: 12/30/2022] Open
Abstract
Parkinson disease (PD) is a complex neurodegenerative disorder, usually with multifactorial etiology. It is characterized by prominent movement disorders and non-motor symptoms. Movement disorders commonly include bradykinesia, rigidity, and resting tremor. Non-motor symptoms can include behavior disorders, sleep disturbances, hyposmia, cognitive impairment, and depression. A fraction of PD cases instead is due to Parkinsonian conditions with Mendelian inheritance. The study of the genetic causes of these phenotypes has shed light onto common pathogenetic mechanisms underlying Parkinsonian conditions. Monogenic Parkinsonisms can present autosomal dominant, autosomal recessive, or even X-linked inheritance patterns. Clinical presentations vary from forms indistinguishable from idiopathic PD to severe childhood-onset conditions with other neurological signs. We provided a comprehensive description of each condition, discussing current knowledge on genotype-phenotype correlations. Despite the broad clinical spectrum and the many genes involved, the phenotype appears to be related to the disrupted cell function and inheritance pattern, and several assumptions about genotype-phenotype correlations can be made. The interest in these assumptions is not merely speculative, in the light of novel promising targeted therapies currently under development.
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Affiliation(s)
- Daniele Guadagnolo
- Department of Experimental Medicine, Policlinico Umberto i Hospital, Sapienza University of Rome, Rome, Italy
| | - Maria Piane
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy.,Medical Genetics and Advanced Cell Diagnostics Unit, S. Andrea University Hospital, Rome, Italy
| | - Maria Rosaria Torrisi
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy.,Medical Genetics and Advanced Cell Diagnostics Unit, S. Andrea University Hospital, Rome, Italy
| | - Antonio Pizzuti
- Department of Experimental Medicine, Policlinico Umberto i Hospital, Sapienza University of Rome, Rome, Italy
| | - Simona Petrucci
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy.,Medical Genetics and Advanced Cell Diagnostics Unit, S. Andrea University Hospital, Rome, Italy
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33
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Franco G, Lazzeri G, Di Fonzo A. Parkinsonism and ataxia. J Neurol Sci 2021; 433:120020. [PMID: 34711421 DOI: 10.1016/j.jns.2021.120020] [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: 05/19/2021] [Revised: 08/09/2021] [Accepted: 09/29/2021] [Indexed: 11/17/2022]
Abstract
Ataxia is not a common feature in Parkinson's disease. Nevertheless, some rare forms of parkinsonism have ataxia as one of the main features in their clinical picture, especially those with juvenile or early-onset. On the other side, in cerebellar degenerative diseases, parkinsonism might accompany the typical symptoms and even become predominant in some cases. Many disorders involving different neurological systems present with a movement phenomenology reflecting the underlying pattern of pathological involvement, such as neurodegeneration with brain iron accumulation, neurodegeneration associated with calcium deposition, and metabolic and mitochondrial disorders. The prototype of sporadic disorders that present with a constellation of symptoms due to the involvement of multiple Central Nervous System regions is multiple system atrophy, whose motor symptoms at onset can be cerebellar ataxia or parkinsonism. Clinical syndromes encompassing both parkinsonian and cerebellar features might represent a diagnostic challenge for neurologists. Recognizing acquired and potentially treatable causes responsible for complex movement disorders is of paramount importance, since an early diagnosis is essential to prevent permanent consequences. The present review aims to provide a pragmatic overview of the most common diseases characterized by the coexistence of cerebellar and parkinsonism features and suggests a possible diagnostic approach for both inherited and sporadic disorders. This article is part of the Special Issue "Parkinsonism across the spectrum of movement disorders and beyond" edited by Joseph Jankovic, Daniel D. Truong and Matteo Bologna.
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Affiliation(s)
- Giulia Franco
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
| | - Giulia Lazzeri
- Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Alessio Di Fonzo
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy.
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34
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Chandler R, Cogo S, Lewis P, Kevei E. Modelling the functional genomics of Parkinson's disease in Caenorhabditis elegans: LRRK2 and beyond. Biosci Rep 2021; 41:BSR20203672. [PMID: 34397087 PMCID: PMC8415217 DOI: 10.1042/bsr20203672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 08/03/2021] [Accepted: 08/13/2021] [Indexed: 12/12/2022] Open
Abstract
For decades, Parkinson's disease (PD) cases have been genetically categorised into familial, when caused by mutations in single genes with a clear inheritance pattern in affected families, or idiopathic, in the absence of an evident monogenic determinant. Recently, genome-wide association studies (GWAS) have revealed how common genetic variability can explain up to 36% of PD heritability and that PD manifestation is often determined by multiple variants at different genetic loci. Thus, one of the current challenges in PD research stands in modelling the complex genetic architecture of this condition and translating this into functional studies. Caenorhabditis elegans provide a profound advantage as a reductionist, economical model for PD research, with a short lifecycle, straightforward genome engineering and high conservation of PD relevant neural, cellular and molecular pathways. Functional models of PD genes utilising C. elegans show many phenotypes recapitulating pathologies observed in PD. When contrasted with mammalian in vivo and in vitro models, these are frequently validated, suggesting relevance of C. elegans in the development of novel PD functional models. This review will discuss how the nematode C. elegans PD models have contributed to the uncovering of molecular and cellular mechanisms of disease, with a focus on the genes most commonly found as causative in familial PD and risk factors in idiopathic PD. Specifically, we will examine the current knowledge on a central player in both familial and idiopathic PD, Leucine-rich repeat kinase 2 (LRRK2) and how it connects to multiple PD associated GWAS candidates and Mendelian disease-causing genes.
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Affiliation(s)
| | - Susanna Cogo
- School of Biological Sciences, University of Reading, Reading, RG6 6AH, U.K
- Department of Biology, University of Padova, Padova, Via Ugo Bassi 58/B, 35121, Italy
| | - Patrick A. Lewis
- Royal Veterinary College, University of London, London, NW1 0TU, U.K
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, U.K
| | - Eva Kevei
- School of Biological Sciences, University of Reading, Reading, RG6 6AH, U.K
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35
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Riboldi GM, Frattini E, Monfrini E, Frucht SJ, Fonzo AD. A Practical Approach to Early-Onset Parkinsonism. JOURNAL OF PARKINSONS DISEASE 2021; 12:1-26. [PMID: 34569973 PMCID: PMC8842790 DOI: 10.3233/jpd-212815] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Early-onset parkinsonism (EO parkinsonism), defined as subjects with disease onset before the age of 40 or 50 years, can be the main clinical presentation of a variety of conditions that are important to differentiate. Although rarer than classical late-onset Parkinson’s disease (PD) and not infrequently overlapping with forms of juvenile onset PD, a correct diagnosis of the specific cause of EO parkinsonism is critical for offering appropriate counseling to patients, for family and work planning, and to select the most appropriate symptomatic or etiopathogenic treatments. Clinical features, radiological and laboratory findings are crucial for guiding the differential diagnosis. Here we summarize the most important conditions associated with primary and secondary EO parkinsonism. We also proposed a practical approach based on the current literature and expert opinion to help movement disorders specialists and neurologists navigate this complex and challenging landscape.
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Affiliation(s)
- Giulietta M Riboldi
- The Marlene and Paolo Fresco Institute for Parkinson's and Movement Disorders, Department of Neurology, NYU Langone Health, New York, NY, USA
| | - Emanuele Frattini
- IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy.,Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation , University of Milan, Milan, Italy
| | - Edoardo Monfrini
- IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy.,Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation , University of Milan, Milan, Italy
| | - Steven J Frucht
- The Marlene and Paolo Fresco Institute for Parkinson's and Movement Disorders, Department of Neurology, NYU Langone Health, New York, NY, USA
| | - Alessio Di Fonzo
- IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
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36
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Santos-Lobato BL, Schumacher-Schuh A, Mata IF, Letro GH, Braga-Neto P, Brandão PRP, Godeiro-Junior CO, Coletta MVD, Camargos ST, Borges V, Rieder CRM, Tumas V. Genetics of Parkinson's disease in Brazil: a systematic review of monogenic forms. ARQUIVOS DE NEURO-PSIQUIATRIA 2021; 79:612-623. [PMID: 34468500 DOI: 10.1590/0004-282x-anp-2020-0409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 09/17/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Increasing numbers of mutations causing monogenic forms of Parkinson's disease (PD) have been described, mostly among patients in Europe and North America. Since genetic architecture varies between different populations, studying the specific genetic profile of Brazilian patients is essential for improving genetic counseling and for selecting patients for clinical trials. OBJECTIVE We conducted a systematic review to identify genetic studies on Brazilian patients and to set a background for future studies on monogenic forms of PD in Brazil. METHODS We searched MEDLINE, EMBASE and Web of Science from inception to December 2019 using terms for "Parkinson's disease", "genetics" and "Brazil". Two independent reviewers extracted the data. For the genes LRRK2 and PRKN, the estimated prevalence was calculated for each study, and a meta-analysis was performed. RESULTS A total of 32 studies were included, comprising 94 Brazilian patients with PD with a causative mutation, identified from among 2,872 screened patients (3.2%). PRKN mutations were causative of PD in 48 patients out of 576 (8.3%). LRRK2 mutations were identified in 40 out of 1,556 patients (2.5%), and p.G2019S was the most common mutation (2.2%). CONCLUSIONS PRKN is the most common autosomal recessive cause of PD, and LRRK2 is the most common autosomal dominant form. We observed that there was a lack of robust epidemiological studies on PD genetics in Brazil and, especially, that the diversity of Brazil's population had not been considered.
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Affiliation(s)
- Bruno L Santos-Lobato
- Universidade Federal do Pará, Laboratório de Neuropatologia Experimental, Belém PA, Brazil.,Hospital Ophir Loyola, Serviço de Neurologia, Belém PA, Brazil
| | - Artur Schumacher-Schuh
- Hospital de Clínicas de Porto Alegre, Serviço de Neurologia, Porto Alegre RS, Brazil.,Universidade Federal do Rio Grande do Sul, Departamento de Farmacologia, Porto Alegre RS, Brazil
| | - Ignacio F Mata
- Lerner Research Institute, Genomic Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Grace H Letro
- Pontifícia Universidade Católica de Campinas, Centro de Ciências da Vida, Campinas SP, Brazil
| | - Pedro Braga-Neto
- Universidade Federal do Ceará, Departamento de Medicina Clínica, Serviço de Neurologia e Neurocirurgia, Fortaleza CE, Brazil
| | - Pedro R P Brandão
- Universidade de Brasília, Laboratório de Neurociências e Comportamento, Brasília DF, Brazil
| | - Clécio O Godeiro-Junior
- Universidade Federal do Rio Grande do Norte, Departamento de Medicina Integrada, Natal RN, Brazil
| | | | - Sarah T Camargos
- Universidade Federal de Minas Gerais, Departamento de Medicina Interna, Belo Horizonte MG, Brazil
| | - Vanderci Borges
- Universidade Federal de São Paulo, Departamento de Neurologia e Neurocirurgia, Setor de Transtornos de Movimento, São Paulo SP, Brazil
| | - Carlos R M Rieder
- Universidade Federal de Ciências da Saúde de Porto Alegre, Departamento de Neurologia, Porto Alegre RS, Brazil
| | - Vitor Tumas
- Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Departamento de Neurociências e Ciências do Comportamento, Ribeirão Preto SP, Brazil
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37
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Abstract
Parkinson's disease (PD) is a common neurodegenerative disorder characterized by degeneration of the substantia nigra pars compacta and by accumulation of α-synuclein in Lewy bodies. PD is caused by a combination of environmental factors and genetic variants. These variants range from highly penetrant Mendelian alleles to alleles that only modestly increase disease risk. Here, we review what is known about the genetics of PD. We also describe how PD genetics have solidified the role of endosomal, lysosomal, and mitochondrial dysfunction in PD pathophysiology. Finally, we highlight how all three pathways are affected by α-synuclein and how this knowledge may be harnessed for the development of disease-modifying therapeutics.
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Affiliation(s)
- Gabriel E Vázquez-Vélez
- Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas 77030, USA.,Program in Developmental Biology and Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Huda Y Zoghbi
- Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas 77030, USA.,Program in Developmental Biology and Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas 77030, USA.,Departments of Molecular and Human Genetics and Pediatrics, Baylor College of Medicine, Houston, Texas 77030, USA; .,Howard Hughes Medical Institute, Houston, Texas 77030, USA
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38
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Rana T, Behl T, Sehgal A, Mehta V, Singh S, Bhatia S, Al-Harrasi A, Bungau S. Exploring the Role of Autophagy Dysfunction in Neurodegenerative Disorders. Mol Neurobiol 2021; 58:4886-4905. [PMID: 34212304 DOI: 10.1007/s12035-021-02472-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022]
Abstract
Autophagy is a catabolic pathway by which misfolded proteins or damaged organelles are engulfed by autophagosomes and then transported to lysosomes for degradation. Recently, a great improvement has been done to explain the molecular mechanisms and roles of autophagy in several important cellular metabolic processes. Besides being a vital clearance pathway or a cell survival pathway in response to different stresses, autophagy dysfunction, either upregulated or down-regulated, has been suggested to be linked with numerous neurodegenerative disorders like Alzheimer's disease, Parkinson's disease, Huntington's disease, and Amyotrophic lateral sclerosis. Impairment at different stages of autophagy results in the formation of large protein aggregates and damaged organelles, which leads to the onset and progression of different neurodegenerative disorders. This article elucidates the recent progress about the role of autophagy in neurodegenerative disorders and explains how autophagy dysfunction is linked with the pathogenesis of such disorders as well as the novel potential autophagy-associated therapies for treating them.
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Affiliation(s)
- Tarapati Rana
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
- Government Pharmacy College, Seraj, Mandi, Himachal Pradesh, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Vineet Mehta
- Government College of Pharmacy, Rohru, Distt. Shimla, Himachal Pradesh, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Saurabh Bhatia
- Amity Institute of Pharmacy, Amity University, Haryana, India
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
| | - Ahmed Al-Harrasi
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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39
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Advances in protein-protein interaction network analysis for Parkinson's disease. Neurobiol Dis 2021; 155:105395. [PMID: 34022367 DOI: 10.1016/j.nbd.2021.105395] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 02/08/2023] Open
Abstract
Protein-protein interactions (PPIs) are a key component of the subcellular molecular networks which enable cells to function. Due to their importance in homeostasis, alterations to the networks can be detrimental, leading to cellular dysfunction and ultimately disease states. Parkinson's disease (PD) is a progressive neurodegenerative condition with multifactorial aetiology, spanning genetic variation and environmental modifiers. At a molecular and systems level, the characterisation of PD is the focus of extensive research, largely due to an unmet need for disease modifying therapies. PPI network analysis approaches are a valuable strategy to accelerate our understanding of the molecular crosstalk and biological processes underlying PD pathogenesis, especially due to the complex nature of this disease. In this review, we describe the utility of PPI network approaches in modelling complex systems, focusing on previous work in PD research. We discuss four principal strategies for using PPI network approaches: to infer PD related cellular functions, pathways and novel genes; to support genomics studies; to study the interactome of single PD related genes; and to compare the molecular basis of PD to other neurodegenerative disorders. This is an evolving area of research which is likely to further expand as omics data generation and availability increase. These approaches complement and bridge-the-gap between genetics and functional research to inform future investigations. In this review we outline several limitations that require consideration, acknowledging that ongoing challenges in this field continue to be addressed and the refinement of these approaches will facilitate further advances using PPI network analysis for understanding complex diseases.
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40
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Ren X, Butterfield DA. Fidelity of the PINK1 knockout rat to oxidative stress and other characteristics of Parkinson disease. Free Radic Biol Med 2021; 163:88-101. [PMID: 33321180 DOI: 10.1016/j.freeradbiomed.2020.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 12/21/2022]
Abstract
Parkinson disease (PD) is the second most common age-related neurodegenerative disease in the world, and PD significantly impacts the quality of life, especially as in general people are living longer. Because of the numerous and complex features of sporadic PD that progressively develops, it is difficult to build an ideal animal model for PD research. Genetically modified PD rodent animal models are considered as a major tool with which to study the mechanisms and potential therapeutic targets for PD. Up to now, none of the rodent animal models displays all PD characteristics. The Michael J. Fox Foundation for Parkinson's Research (MJFF) funded SAGE Laboratories to generate a PTEN-induced putative kinase-1 (PINK1) knockout (KO) rat model for familial PD using zinc finger nuclease (ZFN) technology. In the current paper, we review all papers from PubMed that report studies with PINK1 KO rats, presenting the research results, and discussing the fidelity of this rat model to PD according to its phenotypes studied by several laboratories. This review will serve as a critical reference for future studies with this rodent model, providing a better understanding of PD etiology, pathology, and potential treatment strategies.
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Affiliation(s)
- Xiaojia Ren
- Department of Chemistry and Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40506, USA
| | - D Allan Butterfield
- Department of Chemistry and Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40506, USA.
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41
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Van Veen S, Martin S, Schuermans M, Vangheluwe P. Polyamine Transport Assay Using Reconstituted Yeast Membranes. Bio Protoc 2021; 11:e3888. [PMID: 33732777 DOI: 10.21769/bioprotoc.3888] [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: 07/09/2020] [Revised: 10/20/2020] [Accepted: 11/05/2020] [Indexed: 11/02/2022] Open
Abstract
ATP13A2/PARK9 is a late endo-/lysosomal P5B transport ATPase that is associated with several neurodegenerative disorders. We recently characterized ATP13A2 as a lysosomal polyamine exporter, which sheds light on the molecular identity of the unknown mammalian polyamine transport system. Here, we describe step by step a protocol to measure radiolabeled polyamine transport in reconstituted vesicles from yeast cells overexpressing human ATP13A2. This protocol was developed as part of our recent publication (van Veen et al., 2020 ) and will be useful for characterizing the transport function of other putative polyamine transporters, such as isoforms of the P5B transport ATPases.
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Affiliation(s)
- Sarah Van Veen
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Shaun Martin
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Marleen Schuermans
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Peter Vangheluwe
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
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42
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Hamouda NN, Van den Haute C, Vanhoutte R, Sannerud R, Azfar M, Mayer R, Cortés Calabuig Á, Swinnen JV, Agostinis P, Baekelandt V, Annaert W, Impens F, Verhelst SHL, Eggermont J, Martin S, Vangheluwe P. ATP13A3 is a major component of the enigmatic mammalian polyamine transport system. J Biol Chem 2020; 296:100182. [PMID: 33310703 PMCID: PMC7948421 DOI: 10.1074/jbc.ra120.013908] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 11/27/2020] [Accepted: 12/11/2020] [Indexed: 12/13/2022] Open
Abstract
Polyamines, such as putrescine, spermidine, and spermine, are physiologically important polycations, but the transporters responsible for their uptake in mammalian cells remain poorly characterized. Here, we reveal a new component of the mammalian polyamine transport system using CHO-MG cells, a widely used model to study alternative polyamine uptake routes and characterize polyamine transport inhibitors for therapy. CHO-MG cells present polyamine uptake deficiency and resistance to a toxic polyamine biosynthesis inhibitor methylglyoxal bis-(guanylhydrazone) (MGBG), but the molecular defects responsible for these cellular characteristics remain unknown. By genome sequencing of CHO-MG cells, we identified mutations in an unexplored gene, ATP13A3, and found disturbed mRNA and protein expression. ATP13A3 encodes for an orphan P5B-ATPase (ATP13A3), a P-type transport ATPase that represents a candidate polyamine transporter. Interestingly, ATP13A3 complemented the putrescine transport deficiency and MGBG resistance of CHO-MG cells, whereas its knockdown in WT cells induced a CHO-MG phenotype demonstrated as a decrease in putrescine uptake and MGBG sensitivity. Taken together, our findings identify ATP13A3, which has been previously genetically linked with pulmonary arterial hypertension, as a major component of the mammalian polyamine transport system that confers sensitivity to MGBG.
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Affiliation(s)
- Norin Nabil Hamouda
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Chris Van den Haute
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, KU Leuven, Leuven, Belgium; Leuven Viral Vector Core, KU Leuven, Leuven, Belgium
| | - Roeland Vanhoutte
- Laboratory of Chemical Biology, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Ragna Sannerud
- VIB-KU Leuven Laboratory of Membrane Trafficking, Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - Mujahid Azfar
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Rupert Mayer
- Department for Biomolecular Medicine, VIB Center for Medical Biotechnology, VIB Proteomics Core, Ghent University, Ghent, Belgium
| | | | - Johannes V Swinnen
- Laboratory of Lipid Metabolism and Cancer, Department of Oncology, LKI - Leuven Cancer Institute, KU Leuven, Leuven, Belgium
| | - Patrizia Agostinis
- Laboratory of Cell Death Research & Therapy, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium; Department of Oncology, VIB-KU Leuven Center for Cancer Biology, KU Leuven, Leuven, Belgium
| | - Veerle Baekelandt
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - Wim Annaert
- VIB-KU Leuven Laboratory of Membrane Trafficking, Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - Francis Impens
- Department for Biomolecular Medicine, VIB Center for Medical Biotechnology, VIB Proteomics Core, Ghent University, Ghent, Belgium
| | - Steven H L Verhelst
- Laboratory of Chemical Biology, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium; Chemical Proteomics, Leibniz Institute for Analytical Sciences ISAS, Dortmund, Germany
| | - Jan Eggermont
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Shaun Martin
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Peter Vangheluwe
- Laboratory of Cellular Transport Systems, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium.
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ATP13A2-mediated endo-lysosomal polyamine export counters mitochondrial oxidative stress. Proc Natl Acad Sci U S A 2020; 117:31198-31207. [PMID: 33229544 PMCID: PMC7733819 DOI: 10.1073/pnas.1922342117] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Mutations in ATP13A2 cause a spectrum of related neurodegenerative disorders. ATP13A2 is a lysosomal exporter of polyamines that contributes to lysosomal health and controls cellular polyamine content. Conversely, loss of ATP13A2 leads to lysosomal dysfunction, a hallmark of neurodegeneration. Here, we show that polyamines transported by ATP13A2 provide cellular protection by lowering reactive oxygen species (ROS), which may relate to the antioxidant properties of polyamines. Consequently, dysfunctional ATP13A2 sensitizes cells to oxidative stress, which impairs mitochondria, and induces toxicity and cell death. ATP13A2-mediated polyamine transport represents a conserved pathway that protects against mitochondrial oxidative stress. The combined protective impact of ATP13A2 on lysosomal health and mitochondrial oxidative stress may explain why ATP13A2 exerts potent neuroprotective effects. Recessive loss-of-function mutations in ATP13A2 (PARK9) are associated with a spectrum of neurodegenerative disorders, including Parkinson’s disease (PD). We recently revealed that the late endo-lysosomal transporter ATP13A2 pumps polyamines like spermine into the cytosol, whereas ATP13A2 dysfunction causes lysosomal polyamine accumulation and rupture. Here, we investigate how ATP13A2 provides protection against mitochondrial toxins such as rotenone, an environmental PD risk factor. Rotenone promoted mitochondrial-generated superoxide (MitoROS), which was exacerbated by ATP13A2 deficiency in SH-SY5Y cells and patient-derived fibroblasts, disturbing mitochondrial functionality and inducing toxicity and cell death. Moreover, ATP13A2 knockdown induced an ATF4-CHOP-dependent stress response following rotenone exposure. MitoROS and ATF4-CHOP were blocked by MitoTEMPO, a mitochondrial antioxidant, suggesting that the impact of ATP13A2 on MitoROS may relate to the antioxidant properties of spermine. Pharmacological inhibition of intracellular polyamine synthesis with α-difluoromethylornithine (DFMO) also increased MitoROS and ATF4 when ATP13A2 was deficient. The polyamine transport activity of ATP13A2 was required for lowering rotenone/DFMO-induced MitoROS, whereas exogenous spermine quenched rotenone-induced MitoROS via ATP13A2. Interestingly, fluorescently labeled spermine uptake in the mitochondria dropped as a consequence of ATP13A2 transport deficiency. Our cellular observations were recapitulated in vivo, in a Caenorhabditis elegans strain deficient in the ATP13A2 ortholog catp-6. These animals exhibited a basal elevated MitoROS level, mitochondrial dysfunction, and enhanced stress response regulated by atfs-1, the C. elegans ortholog of ATF4, causing hypersensitivity to rotenone, which was reversible with MitoTEMPO. Together, our study reveals a conserved cell protective pathway that counters mitochondrial oxidative stress via ATP13A2-mediated lysosomal spermine export.
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The Emerging Role of the Lysosome in Parkinson's Disease. Cells 2020; 9:cells9112399. [PMID: 33147750 PMCID: PMC7692401 DOI: 10.3390/cells9112399] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022] Open
Abstract
Lysosomal function has a central role in maintaining neuronal homeostasis, and, accordingly, lysosomal dysfunction has been linked to neurodegeneration and particularly to Parkinson’s disease (PD). Lysosomes are the converging step where the substrates delivered by autophagy and endocytosis are degraded in order to recycle their primary components to rebuild new macromolecules. Genetic studies have revealed the important link between the lysosomal function and PD; several of the autosomal dominant and recessive genes associated with PD as well as several genetic risk factors encode for lysosomal, autophagic, and endosomal proteins. Mutations in these PD-associated genes can cause lysosomal dysfunction, and since α-synuclein degradation is mostly lysosomal-dependent, among other consequences, lysosomal impairment can affect α-synuclein turnover, contributing to increase its intracellular levels and therefore promoting its accumulation and aggregation. Recent studies have also highlighted the bidirectional link between Parkinson’s disease and lysosomal storage diseases (LSD); evidence includes the presence of α-synuclein inclusions in the brain regions of patients with LSD and the identification of several lysosomal genes involved in LSD as genetic risk factors to develop PD.
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Fischer CA, Besora-Casals L, Rolland SG, Haeussler S, Singh K, Duchen M, Conradt B, Marr C. MitoSegNet: Easy-to-use Deep Learning Segmentation for Analyzing Mitochondrial Morphology. iScience 2020; 23:101601. [PMID: 33083756 PMCID: PMC7554024 DOI: 10.1016/j.isci.2020.101601] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 08/18/2020] [Accepted: 09/17/2020] [Indexed: 12/29/2022] Open
Abstract
While the analysis of mitochondrial morphology has emerged as a key tool in the study of mitochondrial function, efficient quantification of mitochondrial microscopy images presents a challenging task and bottleneck for statistically robust conclusions. Here, we present Mitochondrial Segmentation Network (MitoSegNet), a pretrained deep learning segmentation model that enables researchers to easily exploit the power of deep learning for the quantification of mitochondrial morphology. We tested the performance of MitoSegNet against three feature-based segmentation algorithms and the machine-learning segmentation tool Ilastik. MitoSegNet outperformed all other methods in both pixelwise and morphological segmentation accuracy. We successfully applied MitoSegNet to unseen fluorescence microscopy images of mitoGFP expressing mitochondria in wild-type and catp-6 ATP13A2 mutant C. elegans adults. Additionally, MitoSegNet was capable of accurately segmenting mitochondria in HeLa cells treated with fragmentation inducing reagents. We provide MitoSegNet in a toolbox for Windows and Linux operating systems that combines segmentation with morphological analysis.
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Affiliation(s)
- Christian A. Fischer
- Fakultät für Biologie, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
- Centre for Integrated Protein Science, Ludwig-Maximilians-University, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
- Institute of Computational Biology, Helmholtz Zentrum München – German Research Center for Environmental Health, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
| | - Laura Besora-Casals
- Fakultät für Biologie, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
| | - Stéphane G. Rolland
- Fakultät für Biologie, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
| | - Simon Haeussler
- Fakultät für Biologie, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
| | - Kritarth Singh
- Department of Cell and Developmental Biology, Division of Biosciences, University College London, London WC1E 6AP, UK
| | - Michael Duchen
- Department of Cell and Developmental Biology, Division of Biosciences, University College London, London WC1E 6AP, UK
| | - Barbara Conradt
- Fakultät für Biologie, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
- Centre for Integrated Protein Science, Ludwig-Maximilians-University, Planegg-Martinsried, Munich, 82152 Bavaria, Germany
- Department of Cell and Developmental Biology, Division of Biosciences, University College London, London WC1E 6AP, UK
| | - Carsten Marr
- Institute of Computational Biology, Helmholtz Zentrum München – German Research Center for Environmental Health, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
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Balint B, Damasio J, Magrinelli F, Guerreiro R, Bras J, Bhatia KP. Psychiatric Manifestations of ATP13A2 Mutations. Mov Disord Clin Pract 2020; 7:838-841. [PMID: 33033738 PMCID: PMC7533993 DOI: 10.1002/mdc3.13034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/12/2020] [Accepted: 07/15/2020] [Indexed: 01/24/2023] Open
Abstract
Background Biallelic mutations in ATP13A2 were identified as the cause of Kufor‐Rakeb disease, a pallido‐pyramidal syndrome characterized by young‐onset dystonia–parkinsonism with vertical supranuclear gaze palsy, spasticity, and cognitive decline. The phenotypic spectrum has broadened since, but predominantly psychiatric or behavioral manifestations have not been highlighted. Cases Here we report the clinical, radiological, and genetic findings in 2 unrelated patients with ATP13A2 mutations. One patient had a prominent behavioral (autistic spectrum) presentation and the other a psychiatric (paranoid psychosis) presentation. Both had additional features, such as delayed milestones, ataxia, pyramidal signs, upgaze restriction, or impaired cognition to varying extent, but these were partly subtle or developed later in the disease course. Conclusion Prominent behavioral or psychiatric features can be the first or most prominent manifestation of ATP13A2‐related disease. They may be a diagnostic clue in patients with ataxia, spasticity, or parkinsonism and may require an interdisciplinary neurological and psychiatric treatment approach.
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Affiliation(s)
- Bettina Balint
- Department of Clinical and Movement Neurosciences Queen Square London United Kingdom.,Department of Neurology University Hospital Heidelberg Germany
| | - Joana Damasio
- Department of Neurology Oporto University Hospital Center Porto Portugal.,Institute for Molecular and Cell Biology, Institute for Research and Innovation in Health, Oporto University Porto Portugal
| | - Francesca Magrinelli
- Department of Clinical and Movement Neurosciences Queen Square London United Kingdom.,Department of Neurosciences Biomedicine and Movement Sciences, University of Verona Verona Italy
| | - Rita Guerreiro
- Center for Neurodegenerative Science, Van Andel Institute Grand Rapids Michigan USA
| | - Jose Bras
- Center for Neurodegenerative Science, Van Andel Institute Grand Rapids Michigan USA
| | - Kailash P Bhatia
- Department of Clinical and Movement Neurosciences Queen Square London United Kingdom
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Odake Y, Koh K, Takiyama Y, Ishiura H, Tsuji S, Yamada M, Yoshita M. Identification of a novel mutation in ATP13A2 associated with a complicated form of hereditary spastic paraplegia. NEUROLOGY-GENETICS 2020; 6:e514. [PMID: 33134512 PMCID: PMC7577544 DOI: 10.1212/nxg.0000000000000514] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 08/07/2020] [Indexed: 01/30/2023]
Abstract
Objective To establish molecular diagnosis for a family with a complicated form of autosomal recessive hereditary spastic paraplegia with intellectual disability, cognitive decline, psychosis, peripheral neuropathy, upward gaze palsy, and thin corpus callosum (TCC). Methods Physical examinations, laboratory tests, structural neuroimaging studies, and exome sequence analysis were carried out. Results The 3 patients exhibited intellectual disability and progressive intellectual decline accompanied by psychiatric symptoms. Gait difficulty with spasticity and pyramidal weakness appeared at the ages of 20s–30s. Brain MRI revealed TCC with atrophic changes in the frontotemporal lobes, caudate nuclei, and cerebellum. Exome sequence analysis revealed a novel homozygous c.2654C>A (p. Ala885Asp) variant in the ATP13A2, a gene responsible for a complicated form of hereditary spastic paraplegia (SPG78), Kufor-Rakeb syndrome, and neuronal ceroid lipofuscinosis. The predominant clinical presentations of the patients include progressive intellectual disability and gait difficulty with spasticity and pyramidal weakness, consistent with the diagnosis of SPG78. Of note, prominent psychiatric symptoms and extrapyramidal signs including rigidity, dystonia, and involuntary movements preceded the spastic paraparesis. Conclusions Our study further broadens the clinical spectrum associated with ATP13A2 mutations.
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Affiliation(s)
- Yasuko Odake
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Kishin Koh
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Yoshihisa Takiyama
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Hiroyuki Ishiura
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Shoji Tsuji
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Masahito Yamada
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
| | - Mitsuhiro Yoshita
- Department of Clinical Research (Y.O., M. Yoshita), National Hospital Organization, Hokuriku National Hospital, Nanto; Department of Neurology (K.K., Y.T.), Graduate School of Medical Science, University of Yamanashi, Tyuo; Department of Neurology (H.I.), The University of Tokyo; Department of Molecular Neurology (S.T.), Graduate School of Medicine, The University of Tokyo; Institute of Medical Genomics (S.T.), International University of Health and Welfare, Chiba; and Department of Neurology and Neurobiology of Aging (M. Yamada), Kanazawa University Graduate School of Medical Sciences, Japan
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Butz ES, Chandrachud U, Mole SE, Cotman SL. Moving towards a new era of genomics in the neuronal ceroid lipofuscinoses. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165571. [DOI: 10.1016/j.bbadis.2019.165571] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 10/12/2019] [Accepted: 10/14/2019] [Indexed: 12/15/2022]
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De Michele G, Galatolo D, Lieto M, Fico T, Saccà F, Santorelli FM, Filla A. Ataxia-myoclonus syndrome due to a novel homozygous ATP13A2 mutation. Parkinsonism Relat Disord 2020; 76:42-43. [PMID: 32559632 DOI: 10.1016/j.parkreldis.2020.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/27/2020] [Accepted: 06/01/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Giovanna De Michele
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Daniele Galatolo
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Stella Maris, Pisa, Italy
| | - Maria Lieto
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Tommasina Fico
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Francesco Saccà
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Filippo M Santorelli
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Stella Maris, Pisa, Italy
| | - Alessandro Filla
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy.
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Mutated ATP10B increases Parkinson's disease risk by compromising lysosomal glucosylceramide export. Acta Neuropathol 2020; 139:1001-1024. [PMID: 32172343 PMCID: PMC7244618 DOI: 10.1007/s00401-020-02145-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 02/18/2020] [Accepted: 03/02/2020] [Indexed: 02/07/2023]
Abstract
Parkinson’s disease (PD) is a progressive neurodegenerative brain disease presenting with a variety of motor and non-motor symptoms, loss of midbrain dopaminergic neurons in the substantia nigra pars compacta and the occurrence of α-synuclein-positive Lewy bodies in surviving neurons. Here, we performed whole exome sequencing in 52 early-onset PD patients and identified 3 carriers of compound heterozygous mutations in the ATP10B P4-type ATPase gene. Genetic screening of a Belgian PD and dementia with Lewy bodies (DLB) cohort identified 4 additional compound heterozygous mutation carriers (6/617 PD patients, 0.97%; 1/226 DLB patients, 0.44%). We established that ATP10B encodes a late endo-lysosomal lipid flippase that translocates the lipids glucosylceramide (GluCer) and phosphatidylcholine (PC) towards the cytosolic membrane leaflet. The PD associated ATP10B mutants are catalytically inactive and fail to provide cellular protection against the environmental PD risk factors rotenone and manganese. In isolated cortical neurons, loss of ATP10B leads to general lysosomal dysfunction and cell death. Impaired lysosomal functionality and integrity is well known to be implicated in PD pathology and linked to multiple causal PD genes and genetic risk factors. Our results indicate that recessive loss of function mutations in ATP10B increase risk for PD by disturbed lysosomal export of GluCer and PC. Both ATP10B and glucocerebrosidase 1, encoded by the PD risk gene GBA1, reduce lysosomal GluCer levels, emerging lysosomal GluCer accumulation as a potential PD driver.
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