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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: 2] [Impact Index Per Article: 2.0] [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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2
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Angelopoulou E, Bougea A, Papageorgiou SG, Villa C. Psychosis in Parkinson's Disease: A Lesson from Genetics. Genes (Basel) 2022; 13:genes13061099. [PMID: 35741861 PMCID: PMC9222985 DOI: 10.3390/genes13061099] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/18/2022] [Indexed: 02/06/2023] Open
Abstract
Psychosis in Parkinson's disease (PDP) represents a common and debilitating condition that complicates Parkinson's disease (PD), mainly in the later stages. The spectrum of psychotic symptoms are heterogeneous, ranging from minor phenomena of mild illusions, passage hallucinations and sense of presence to severe psychosis consisting of visual hallucinations (and rarely, auditory and tactile or gustatory) and paranoid delusions. PDP is associated with increased caregiver stress, poorer quality of life for patients and carers, reduced survival and risk of institutionalization with a significant burden on the healthcare system. Although several risk factors for PDP development have been identified, such as aging, sleep disturbances, long history of PD, cognitive impairment, depression and visual disorders, the pathophysiology of psychosis in PD is complex and still insufficiently clarified. Additionally, several drugs used to treat PD can aggravate or even precipitate PDP. Herein, we reviewed and critically analyzed recent studies exploring the genetic architecture of psychosis in PD in order to further understand the pathophysiology of PDP, the risk factors as well as the most suitable therapeutic strategies.
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Affiliation(s)
- Efthalia Angelopoulou
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Anastasia Bougea
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Sokratis G. Papageorgiou
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Chiara Villa
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
- Correspondence: ; Tel.: +39-02-6448-8138
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3
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Mignogna ML, Ficarella R, Gelmini S, Marzulli L, Ponzi E, Gabellone A, Peschechera A, Alessio M, Margari L, Gentile M, D’Adamo P. Clinical characterization of a novel RAB39B nonstop mutation in a family with ASD and severe ID causing RAB39B downregulation and study of a Rab39b knock down mouse model. Hum Mol Genet 2022; 31:1389-1406. [PMID: 34761259 PMCID: PMC9071400 DOI: 10.1093/hmg/ddab320] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/18/2022] Open
Abstract
Autism spectrum disorder (ASD) and intellectual disability (ID) often exist together in patients. The RAB39B gene has been reported to be mutated in ID patients with additional clinical features ranging from ASD, macrocephaly, seizures and/or early-onset parkinsonism. Here, we describe a novel RAB39B nonstop mutation [Xq28; c.640 T > C; p.(*214Glnext*21)] in a family with ASD, severe ID and poor motor coordination, and we assessed the pathogenicity of the mutation. A heterologous cell system and a Rab39b knockdown (KD) murine model, which mimic the nonstop mutation, were used to validate the deleterious effect of the RAB39B mutation. The mutation led to RAB39B protein instability, resulting in its increased degradation and consequent downregulation. Using a Rab39b KD mouse model, we demonstrated that the downregulation of RAB39B led to increased GluA2 lacking Ca2+-permeable AMPAR composition at the hippocampal neuronal surface and increased dendritic spine density that remained in an immature filopodia-like state. These phenotypes affected behavioural performance in a disease-specific manner. Rab39b KD mice revealed impaired social behaviour but intact social recognition. They also showed normal anxiety-like, exploratory and motivational behaviours but impaired working and associative memories. In conclusion, we found a novel RAB39B nonstop variant that segregated in a family with a clinical phenotype including ID, ASD and poor motor coordination. The pathogenicity of mutations causing the downregulation of RAB39B proteins, impacting AMPAR trafficking and dendritic spine morphogenesis, reinforced the idea that AMPAR modulation and dendritic spine assets could be considered hallmarks of neurodevelopmental disorders.
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Affiliation(s)
- Maria Lidia Mignogna
- Molecular Genetics of Intellectual Disability, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Romina Ficarella
- Medical Genetics Unit, Department of Reproductive Medicine, ASL Bari, 70132, Bari, Italy
| | - Susanna Gelmini
- Molecular Genetics of Intellectual Disability, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Lucia Marzulli
- Child Neuropsychiatry Unit, Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70126, Bari, Italy
| | - Emanuela Ponzi
- Medical Genetics Unit, Department of Reproductive Medicine, ASL Bari, 70132, Bari, Italy
| | - Alessandra Gabellone
- Child Neuropsychiatry Unit, Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70126, Bari, Italy
| | - Antonia Peschechera
- Child Neuropsychiatry Unit, Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70126, Bari, Italy
| | - Massino Alessio
- Proteome Biochemistry, Center for Omics Sciences, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Lucia Margari
- Child Neuropsychiatry Unit, Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70126, Bari, Italy
| | - Mattia Gentile
- Medical Genetics Unit, Department of Reproductive Medicine, ASL Bari, 70132, Bari, Italy
| | - Patrizia D’Adamo
- Molecular Genetics of Intellectual Disability, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
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4
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Identification of shared molecular signatures between multiple sclerosis and Parkinson's disease using systems biology approach. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2022.101604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bivol S, Mellick GD, Gratten J, Parker R, Mulcahy A, Mosley PE, Poortvliet PC, Campos AI, Mitchell BL, Garcia-Marin LM, Cross S, Ferguson M, Lind PA, Loesch DZ, Visscher PM, Medland SE, Scherzer CR, Martin NG, Rentería ME. Australian Parkinson's Genetics Study (APGS): pilot (n=1532). BMJ Open 2022; 12:e052032. [PMID: 35217535 PMCID: PMC8883215 DOI: 10.1136/bmjopen-2021-052032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 01/31/2022] [Indexed: 11/04/2022] Open
Abstract
PURPOSE Parkinson's disease (PD) is a neurodegenerative disorder associated with progressive disability. While the precise aetiology is unknown, there is evidence of significant genetic and environmental influences on individual risk. The Australian Parkinson's Genetics Study seeks to study genetic and patient-reported data from a large cohort of individuals with PD in Australia to understand the sociodemographic, genetic and environmental basis of PD susceptibility, symptoms and progression. PARTICIPANTS In the pilot phase reported here, 1819 participants were recruited through assisted mailouts facilitated by Services Australia based on having three or more prescriptions for anti-PD medications in their Pharmaceutical Benefits Scheme records. The average age at the time of the questionnaire was 64±6 years. We collected patient-reported information and sociodemographic variables via an online (93% of the cohort) or paper-based (7%) questionnaire. One thousand five hundred and thirty-two participants (84.2%) met all inclusion criteria, and 1499 provided a DNA sample via traditional post. FINDINGS TO DATE 65% of participants were men, and 92% identified as being of European descent. A previous traumatic brain injury was reported by 16% of participants and was correlated with a younger age of symptom onset. At the time of the questionnaire, constipation (36% of participants), depression (34%), anxiety (17%), melanoma (16%) and diabetes (10%) were the most reported comorbid conditions. FUTURE PLANS We plan to recruit sex-matched and age-matched unaffected controls, genotype all participants and collect non-motor symptoms and cognitive function data. Future work will explore the role of genetic and environmental factors in the aetiology of PD susceptibility, onset, symptoms, and progression, including as part of international PD research consortia.
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Affiliation(s)
- Svetlana Bivol
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - George D Mellick
- Griffith Institute for Drug Discovery (GRIDD), Griffith University, Brisbane, QLD, Australia
| | - Jacob Gratten
- Mater Research, Translational Research Institute, Brisbane, QLD, Australia
| | - Richard Parker
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Aoibhe Mulcahy
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Philip E Mosley
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Peter C Poortvliet
- Griffith Institute for Drug Discovery (GRIDD), Griffith University, Brisbane, QLD, Australia
| | - Adrian I Campos
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Brittany L Mitchell
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Luis M Garcia-Marin
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Simone Cross
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Mary Ferguson
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Penelope A Lind
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Danuta Z Loesch
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia
| | - Peter M Visscher
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Sarah E Medland
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Psychology, The University of Queensland, Brisbane, QLD, Australia
| | - Clemens R Scherzer
- Center for Advanced Parkinson Research, Harvard Medical School and Brigham & Women's Hospital, Boston, MA, USA
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
- Precision Neurology Program, Harvard Medical School and Brigham & Women's Hospital, Boston, MA, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, USA
| | | | - Miguel E Rentería
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
- Center for Advanced Parkinson Research, Harvard Medical School and Brigham & Women's Hospital, Boston, MA, USA
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Mackels L, Moïse M, Depierreux F. Multimodal imaging of a patient with RAB39B mutation. Neuroradiology 2022; 64:621-625. [PMID: 35088096 DOI: 10.1007/s00234-021-02882-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 12/08/2021] [Indexed: 10/19/2022]
Abstract
Mutations in RAB39B gene have been linked to intellectual deficiency associated with parkinsonism, also referred as to Waisman syndrome. As it appears to be a very rare cause of Parkinson Disease (PD), with only few cases described in the literature, the typical clinical and radiological features are yet to be determined. In this article, we report and illustrate multimodal brain imaging by computed tomography, magnetic resonance imaging, transcranial ultrasound (US), dopamine transporter single photon emission computed tomography and [18F]-fluorodeoxyglucose positron emission tomography ([18F]FDG-PET) in a 37-year-old man with PD features and mild mental retardation harboring a new RAB39B mutation. We then propose a comparison with data previously published regarding neuroimaging in this condition and present a summary of previous imaging reports. If our patient's results partly support previously described radiological features, they also highlight potential new characteristics of this rare syndrome. To the best of our knowledge, [18F]FDG-PET and transcranial US have never been reported before in this condition. This is therefore the first multimodal brain imaging description of a patient presenting RAB39B mutation.
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Affiliation(s)
- Laurane Mackels
- Department of Neurology, CHR Citadelle of Liège, Liège, Belgium
| | - Martin Moïse
- Department of Radiology, University Hospital (CHU) of Liège, Liège, Belgium
| | - Frédérique Depierreux
- Department of Neurology, University Hospital (CHU) of Liège, Liège, Belgium.,GIGA - CRC in Vivo Imaging, University of Liège, Liège, Belgium
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7
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Neurogenetic disorders across the lifespan: from aberrant development to degeneration. Nat Rev Neurol 2022; 18:117-124. [PMID: 34987232 PMCID: PMC10132523 DOI: 10.1038/s41582-021-00595-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2021] [Indexed: 02/08/2023]
Abstract
Intellectual disability and autism spectrum disorder (ASD) are common, and genetic testing is increasingly performed in individuals with these diagnoses to inform prognosis, refine management and provide information about recurrence risk in the family. For neurogenetic conditions associated with intellectual disability and ASD, data on natural history in adults are scarce; however, as older adults with these disorders are identified, it is becoming clear that some conditions are associated with both neurodevelopmental problems and neurodegeneration. Moreover, emerging evidence indicates that some neurogenetic conditions associated primarily with neurodegeneration also affect neurodevelopment. In this Perspective, we discuss examples of diseases that have developmental and degenerative overlap. We propose that neurogenetic disorders should be studied continually across the lifespan to understand the roles of the affected genes in brain development and maintenance, and to inform strategies for treatment.
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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: 27] [Impact Index Per Article: 9.0] [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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