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Ryan E, Nishimura S, Lopez G, Tayebi N, Sidransky E. Phenotypic consequences of GBA1 pathological variant R463C (p.R502C). Am J Med Genet A 2024; 194:e63630. [PMID: 38647370 PMCID: PMC11315629 DOI: 10.1002/ajmg.a.63630] [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: 03/07/2024] [Revised: 03/22/2024] [Accepted: 03/31/2024] [Indexed: 04/25/2024]
Abstract
Gaucher disease (GD) is an autosomal recessively inherited lysosomal storage disorder caused by biallelic pathological variants in the GBA1 gene. Patients present along a broad clinical spectrum, and phenotypes are often difficult to predict based on genotype alone. The variant R463C (p.Arg502Cys) exemplifies this challenge. To better characterize its different clinical presentations, we examined the records of 25 current and historical patients evaluated at the National Institutes of Health. Nine patients were classified as GD1, 14 were classified as GD3, and two had an ambiguous diagnosis between GD1 and GD3. In addition, we reviewed the published literature in PubMed and Web of Science through December 2023, identifying 62 cases with an R463C variant from 18 countries. Within the NIH cohort, the most common second variants were N370S (p.N409S) and L444P (p.L483P). R463C/L444P was encountered in patients with GD1 and GD3 in both the NIH cohort and worldwide. In the literature, R463C/R463C was also reported in both GD1 and GD3, although sparse phenotypic information was shared. Often the phenotype reflected what might be predicted for the second mutant allele. This diversity of phenotypes emphasizes the need for longitudinal follow-up to assess symptom development and neurological involvement.
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Affiliation(s)
- Emory Ryan
- National Human Genome Research Institute, National Institutes of Health, Bethesda, USA
| | - Samantha Nishimura
- National Human Genome Research Institute, National Institutes of Health, Bethesda, USA
| | - Grisel Lopez
- National Human Genome Research Institute, National Institutes of Health, Bethesda, USA
| | - Nahid Tayebi
- National Human Genome Research Institute, National Institutes of Health, Bethesda, USA
| | - Ellen Sidransky
- National Human Genome Research Institute, National Institutes of Health, Bethesda, USA
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Ng ASL, Tan AH, Tan YJ, Lim JL, Lian MM, Dy Closas AM, Ahmad-Annuar A, Viswanathan S, Chia YK, Foo JN, Lim WK, Tan EK, Lim SY. Identification of Genetic Variants in Progressive Supranuclear Palsy in Southeast Asia. Mov Disord 2024. [PMID: 39149795 DOI: 10.1002/mds.29932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 06/21/2024] [Accepted: 07/01/2024] [Indexed: 08/17/2024] Open
Abstract
BACKGROUND Progressive supranuclear palsy (PSP) is largely a sporadic disease with few reported familial cases. Genome-wide association studies (GWAS) in sporadic PSP in Caucasian populations have identified MAPT as the most commonly associated genetic risk locus with the strongest effect size. At present there are limited data on genetic factors associated with PSP in Asian populations. OBJECTIVES Our goal was to investigate the genetic factors associated with PSP in Southeast Asian PSP patients. METHODS Next-generation sequencing (whole-exome, whole-genome and targeted sequencing) was performed in two Asian cohorts, comprising 177 PSP patients. RESULTS We identified 17 pathogenic or likely pathogenic variants in 16 PSP patients (9%), eight of which were novel. The most common relevant genetic variants identified were in MAPT, GBA1, OPTN, SYNJ1, and SQSTM1. Other variants detected were in TBK1, PRNP, and ABCA7-genes that have been implicated in other neurodegenerative diseases. Eighteen patients had a positive family history, of whom two carried pathogenic MAPT variants, and one carried a likely pathogenic GBA1 variant. None of the patients had expanded repeats in C9orf72. Furthermore, we found 16 different variants of uncertain significance in 21 PSP patients in PSEN2, ABCA7, SMPD1, MAPT, ATP13A2, OPTN, SQSTM1, CYLD, and BSN. CONCLUSIONS The genetic findings in our PSP cohorts appear to be somewhat distinct from those in Western populations, and also suggest an overlap of the genetic architecture between PSP and other neurodegenerative diseases. Further functional studies and validation in independent Asian cohorts will be useful for improving our understanding of PSP genetics and guiding genetic screening strategies in these populations. © 2024 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Adeline Su Lyn Ng
- Department of Neurology, National Neuroscience Institute, Singapore, Singapore
- Neuroscience and Behavioural Disorders Programme, Duke-NUS Medical School, Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Ai Huey Tan
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Mah Pooi Soo and Tan Chin Nam Centre for Parkinson's and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Yi Jayne Tan
- Department of Neurology, National Neuroscience Institute, Singapore, Singapore
| | - Jia Lun Lim
- Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Michelle Mulan Lian
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Alfand Marl Dy Closas
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Mah Pooi Soo and Tan Chin Nam Centre for Parkinson's and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Metro Davao Medical and Research Center, Davao Doctors Hospital, Davao City, Philippines
| | - Azlina Ahmad-Annuar
- Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | | | - Yuen Kang Chia
- Department of Neurology, Queen Elizabeth Hospital, Kota Kinabalu, Sabah, Malaysia
| | - Jia Nee Foo
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
- Genome Institute of Singapore, Agency for Science, Technology and Research, Singapore
| | - Weng Khong Lim
- Genome Institute of Singapore, Agency for Science, Technology and Research, Singapore
- Singhealth Duke-NUS Institute of Precision Medicine, Singapore
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore
- SingHealth Duke-NUS Genomic Medicine Centre, Singapore
| | - Eng-King Tan
- Department of Neurology, National Neuroscience Institute, Singapore, Singapore
- Neuroscience and Behavioural Disorders Programme, Duke-NUS Medical School, Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Shen-Yang Lim
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Mah Pooi Soo and Tan Chin Nam Centre for Parkinson's and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Kweon SH, Ryu HG, Park H, Lee S, Kim N, Kwon SH, Ma SX, Kim S, Ko HS. Linking Gba1 E326K mutation to microglia activation and mild age-dependent dopaminergic Neurodegeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.14.557673. [PMID: 37745332 PMCID: PMC10515932 DOI: 10.1101/2023.09.14.557673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Mutations in the GBA1 gene have been identified as a prevalent genetic risk factor for Parkinson's disease (PD). GBA1 mutations impair enzymatic activity, leading to lysosomal dysfunction and elevated levels of α-synuclein (α-syn). While most research has primarily focused on GBA1's role in promoting synucleinopathy, emerging evidence suggests that neuroinflammation may be a key pathogenic alteration caused by GBA1 deficiency. To examine the molecular mechanism underlying GBA1 deficiency-mediated neuroinflammation, we generated Gba1 E326K knock-in (KI) mice using the CRISPR/Cas9 technology, which is linked to an increased risk of PD and dementia with Lewy bodies (DLB). In the ventral midbrain and hippocampus of 24-month-old Gba1 E326K KI mice, we found a moderate decline in GBA1 enzymatic activity, a buildup of glucosylceramide, and an increase in microglia density. Furthermore, we observed increased levels of pro-inflammatory cytokines and formation of reactive astrocytes in primary microglia and astrocytes, respectively, cultured from Gba1 E326K KI mice following treatment with pathologic α-syn preformed fibrils (PFF). Additionally, the gut inoculation of α-syn PFF in Gba1 E326K KI mice significantly enhanced the accumulation of Lewy bodies in the dentate gyrus of the hippocampus, accompanied by aggravated neuroinflammation and exacerbated non-motor symptoms. This research significantly enhances our understanding of the Gba1 E326K mutation's involvement in neuroinflammation and the cell-to-cell transmission of pathogenic α-syn in the brain, thereby opening new therapeutic avenues.
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Wang Q, Gu X, Yang L, Jiang Y, Zhang J, He J. Emerging perspectives on precision therapy for Parkinson's disease: multidimensional evidence leading to a new breakthrough in personalized medicine. Front Aging Neurosci 2024; 16:1417515. [PMID: 39026991 PMCID: PMC11254646 DOI: 10.3389/fnagi.2024.1417515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 06/17/2024] [Indexed: 07/20/2024] Open
Abstract
PD is a prevalent and progressive neurodegenerative disorder characterized by both motor and non-motor symptoms. Genes play a significant role in the onset and progression of the disease. While the complexity and pleiotropy of gene expression networks have posed challenges for gene-targeted therapies, numerous pathways of gene variant expression show promise as therapeutic targets in preclinical studies, with some already in clinical trials. With the recognition of the numerous genes and complex pathways that can influence PD, it may be possible to take a novel approach to choose a treatment for the condition. This approach would be based on the symptoms, genomics, and underlying mechanisms of the disease. We discuss the utilization of emerging genetic and pathological knowledge of PD patients to categorize the disease into subgroups. Our long-term objective is to generate new insights for the therapeutic approach to the disease, aiming to delay and treat it more effectively, and ultimately reduce the burden on individuals and society.
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Affiliation(s)
- Qiaoli Wang
- Department of Neurology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Xuan Gu
- Department of Trauma center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Le Yang
- Department of Endocrinology, The People’s Hospital of Jilin Province, Changchun, China
| | - Yan Jiang
- Department of Neurology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Jiao Zhang
- Department of Neurology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Jinting He
- Department of Neurology, China-Japan Union Hospital of Jilin University, Changchun, China
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Chang CW, Tan CH, Hong WP, Yu RL. GBA moderates cognitive reserve's effect on cognitive function in patients with Parkinson's disease. J Neurol 2024; 271:4392-4405. [PMID: 38656622 DOI: 10.1007/s00415-024-12374-5] [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: 12/04/2023] [Revised: 04/02/2024] [Accepted: 04/05/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Cognitive reserve (CR) involves an individual's ability to maintain cognitive vitality over their lifespan. Glucocerebrosidase (GBA) gene mutations contribute to additional effects on cognitive function in Parkinson's disease (PD) patients, but the interplay between GBA mutations and CR remains unclear. We investigated the interactions among CR, GBA, and diseases, aiming to examine whether the CR established at different stages interacts with specific genotypes to affect cognitive function. METHODS Three hundred and eighteen participants' CR indicators (i.e., education, occupation, and social function) and comprehensive neuropsychological function (i.e., tests for executive function, attention/working memory, visuospatial function, memory, and language) were evaluated. RESULTS We found that CR established in a specific life stage influences the individual's cognitive function, particularly in PD, based on their distinct GBA rs9628662 genotypes. Attention/working memory and memory performance are affected by occupational complexity in midlife in PD patients with the GG genotype (q < 0.0001; q < 0.0001) and healthy adults with the T genotype (q = 0.0440; q < 0.0001). Language is influenced by early education and occupation, and the effects of occupation are also observed in PD patients with the GG genotype (q = 0.0040) and in healthy adults carrying the T genotype (q = 0.0040). CONCLUSIONS CR, established at different life stages, can be influenced by the GBA rs9628662 genotype, impacting later-life cognition. Validating genotypes and incorporating genotype information when assessing cognitive reserve effects is crucial and can enhance targeted cognitive training.
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Affiliation(s)
- Chia-Wen Chang
- Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chun-Hsiang Tan
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wei-Pin Hong
- Department of Neurology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Rwei-Ling Yu
- Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Office of Strategic Planning, National Cheng Kung University, Tainan, Taiwan.
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Skrahin A, Horowitz M, Istaiti M, Skrahina V, Lukas J, Yahalom G, Cohen ME, Revel-Vilk S, Goker-Alpan O, Becker-Cohen M, Hassin-Baer S, Svenningsson P, Rolfs A, Zimran A. GBA1-Associated Parkinson's Disease Is a Distinct Entity. Int J Mol Sci 2024; 25:7102. [PMID: 39000225 PMCID: PMC11241486 DOI: 10.3390/ijms25137102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
GBA1-associated Parkinson's disease (GBA1-PD) is increasingly recognized as a distinct entity within the spectrum of parkinsonian disorders. This review explores the unique pathophysiological features, clinical progression, and genetic underpinnings that differentiate GBA1-PD from idiopathic Parkinson's disease (iPD). GBA1-PD typically presents with earlier onset and more rapid progression, with a poor response to standard PD medications. It is marked by pronounced cognitive impairment and a higher burden of non-motor symptoms compared to iPD. Additionally, patients with GBA1-PD often exhibit a broader distribution of Lewy bodies within the brain, accentuating neurodegenerative processes. The pathogenesis of GBA1-PD is closely associated with mutations in the GBA1 gene, which encodes the lysosomal enzyme beta-glucocerebrosidase (GCase). In this review, we discuss two mechanisms by which GBA1 mutations contribute to disease development: 'haploinsufficiency,' where a single functional gene copy fails to produce a sufficient amount of GCase, and 'gain of function,' where the mutated GCase acquires harmful properties that directly impact cellular mechanisms for alpha-synuclein degradation, leading to alpha-synuclein aggregation and neuronal cell damage. Continued research is advancing our understanding of how these mechanisms contribute to the development and progression of GBA1-PD, with the 'gain of function' mechanism appearing to be the most plausible. This review also explores the implications of GBA1 mutations for therapeutic strategies, highlighting the need for early diagnosis and targeted interventions. Currently, small molecular chaperones have shown the most promising clinical results compared to other agents. This synthesis of clinical, pathological, and molecular aspects underscores the assertion that GBA1-PD is a distinct clinical and pathobiological PD phenotype, necessitating specific management and research approaches to better understand and treat this debilitating condition.
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Affiliation(s)
- Aliaksandr Skrahin
- Rare Disease Consulting RCV GmbH, Leibnizstrasse 58, 10629 Berlin, Germany
| | - Mia Horowitz
- Shmunis School of Biomedicine and Cancer Research, Faculty of Life Sciences, Tel Aviv University, 6997801 Ramat Aviv, Israel
| | - Majdolen Istaiti
- Gaucher Unit, Shaare Zedek Medical Center, 9103102 Jerusalem, Israel
- Agyany Pharma Ltd., 9695614 Jerusalem, Israel
| | | | - Jan Lukas
- Translational Neurodegeneration Section Albrecht Kossel, Department of Neurology, University Medical Center Rostock, 18147 Rostock, Germany
- Center for Transdisciplinary Neurosciences Rostock (CTNR), University Medical Center Rostock, University of Rostock, 18147 Rostock, Germany
| | - Gilad Yahalom
- Department of Neurology and Movement Disorders Unit, Shaare Zedek Medical Center, 9103102 Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, 9112102 Jerusalem, Israel
| | - Mikhal E. Cohen
- Department of Neurology and Movement Disorders Unit, Shaare Zedek Medical Center, 9103102 Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, 9112102 Jerusalem, Israel
| | - Shoshana Revel-Vilk
- Gaucher Unit, Shaare Zedek Medical Center, 9103102 Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, 9112102 Jerusalem, Israel
| | - Ozlem Goker-Alpan
- Lysosomal and Rare Disorders Research and Treatment Center, Fairfax, VA 22030, USA
| | | | - Sharon Hassin-Baer
- Movement Disorders Institute, Department of Neurology, Chaim Sheba Medical Center, 5262101 Tel-Hashomer, Israel
- Department of Neurology and Neurosurgery, Faculty of Medical and Health Sciences, Tel Aviv University, 6997801 Tel-Aviv, Israel
| | - Per Svenningsson
- Department of Clinical Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden
- Department of Basal and Clinical Neuroscience, King’s College London, London SE5 9RT, UK
| | - Arndt Rolfs
- Rare Disease Consulting RCV GmbH, Leibnizstrasse 58, 10629 Berlin, Germany
- Agyany Pharma Ltd., 9695614 Jerusalem, Israel
- Medical Faculty, University of Rostock, 18055 Rostock, Germany
| | - Ari Zimran
- Gaucher Unit, Shaare Zedek Medical Center, 9103102 Jerusalem, Israel
- Agyany Pharma Ltd., 9695614 Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, 9112102 Jerusalem, Israel
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Szlepák T, Kossev AP, Csabán D, Illés A, Udvari S, Balicza P, Borsos B, Takáts A, Klivényi P, Molnár MJ. GBA-associated Parkinson's disease in Hungary: clinical features and genetic insights. Neurol Sci 2024; 45:2671-2679. [PMID: 38153678 PMCID: PMC11082009 DOI: 10.1007/s10072-023-07213-w] [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: 07/23/2023] [Accepted: 11/16/2023] [Indexed: 12/29/2023]
Abstract
INTRODUCTION Parkinson's disease (PD) has a complex genetic background involving both rare and common genetic variants. Although a small percentage of cases show a clear Mendelian inheritance pattern, it is much more relevant to identify patients who present with a complex genetic profile of risk variants with different severity. The ß-glucocerebrosidase coding gene (GBA1) is recognized as the most frequent genetic risk factor for PD and Lewy body dementia, irrespective of reduction of the enzyme activity due to genetic variants. METHODS In a selected cohort of 190 Hungarian patients with clinical signs of PD and suspected genetic risk, we performed the genetic testing of the GBA1 gene. As other genetic hits can modify clinical features, we also screened for additional rare variants in other neurodegenerative genes and assessed the APOE-ε genotype of the patients. RESULTS In our cohort, we identified 29 GBA1 rare variant (RV) carriers. Out of the six different detected RVs, the highly debated E365K and T408M variants are composed of the majority of them (22 out of 32). Three patients carried two GBA1 variants, and an additional three patients carried rare variants in other neurodegenerative genes (SMPD1, SPG11, and SNCA). We did not observe differences in age at onset or other clinical features of the patients carrying two GBA1 variants or patients carrying heterozygous APOE-ε4 allele. CONCLUSION We need further studies to better understand the drivers of clinical differences in these patients, as this could have important therapeutic implications.
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Affiliation(s)
- Tamás Szlepák
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
- HUN-REN, Multiomic Neurodegeneration Research Group, Budapest, Hungary
| | - Annabel P Kossev
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Dóra Csabán
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Anett Illés
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Szabolcs Udvari
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Péter Balicza
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
- HUN-REN, Multiomic Neurodegeneration Research Group, Budapest, Hungary
| | - Beáta Borsos
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Annamária Takáts
- Department of Neurology, Semmelweis University, Budapest, Hungary
| | - Péter Klivényi
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Szeged, Hungary
| | - Mária J Molnár
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary.
- HUN-REN, Multiomic Neurodegeneration Research Group, Budapest, Hungary.
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Thaler A, Livne V, Rubinstein E, Omer N, Faust-Socher A, Cohen B, Giladi N, Shirvan JC, Cedarbaum JM, Gana-Weisz M, Goldstein O, Orr-Urtreger A, Alcalay RN, Mirelman A. Mild cognitive impairment among LRRK2 and GBA1 patients with Parkinson's disease. Parkinsonism Relat Disord 2024; 123:106970. [PMID: 38691978 DOI: 10.1016/j.parkreldis.2024.106970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 03/18/2024] [Accepted: 04/07/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND Mild cognitive impairment (MCI) is common in Parkinson's disease (PD). We aimed to assess the incidence of MCI among patients with PD, carriers of mutations in LRRK2 and GBA1 genes, based on the movement disorder society (MDS) criteria for the diagnosis of MCI in early-stage PD. METHODS Patients with PD were included if they scored ≤2 on the Hoehn and Yahr and ≤6 years since motor symptom onset. A group of age and gender matched healthy adults served as controls. A neuropsychological cognitive battery was used covering five cognitive domains (executive functions, working memory, memory, visuospatial and language). MCI was explored while applying two methods (level I and II). Frequency of MCI was assessed in comparison between groups. RESULTS 70 patients with idiopathic PD (iPD) (68 % males), 42 patients with LRRK2-PD (61 % males), 83 patients with GBA1-PD (63 % males) and 132 age and gender matched controls (61 % males), participated in this study. PD groups were similar in clinical characteristics. Level I criteria were positive in 57.5 % of iPD, 43 % of LRRK2-PD and 63.4 % of the GBA1-PD (p = 0.071). Level II criteria was met by 39 % of iPD, 14 % LRRK2-PD and 41 % of GBA1-PD (p < 0.001), when using a 2 standard-deviation (SD) threshold. GBA1-PD and iPD showed impairments on multiple domains even in the more conservative 2 SD, reflecting MCI. CONCLUSIONS The majority of our PD cohort was classified as MCI when assessed with strict criteria. GBA1-PD and iPD showed a more widespread pattern of MCI compared with LRRK2-PD.
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Affiliation(s)
- Avner Thaler
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel; Laboratory of Early Markers of Neurodegeneration, Neurological Institute, Tel-Aviv Medical Center, Israel; Sagol School of Neuroscience, Tel-Aviv University, Israel.
| | - Vered Livne
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel
| | | | - Nurit Omer
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel; Laboratory of Early Markers of Neurodegeneration, Neurological Institute, Tel-Aviv Medical Center, Israel
| | - Achinoam Faust-Socher
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel
| | - Batsheva Cohen
- Laboratory of Early Markers of Neurodegeneration, Neurological Institute, Tel-Aviv Medical Center, Israel
| | - Nir Giladi
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel; Sagol School of Neuroscience, Tel-Aviv University, Israel
| | | | | | - Mali Gana-Weisz
- Genomic Research Laboratory for Neurodegeneration, Tel-Aviv Medical Center, Tel-Aviv, Israel
| | - Orly Goldstein
- Genomic Research Laboratory for Neurodegeneration, Tel-Aviv Medical Center, Tel-Aviv, Israel
| | - Avi Orr-Urtreger
- Faculty of Medicine, Tel-Aviv University, Israel; Sagol School of Neuroscience, Tel-Aviv University, Israel; Genomic Research Laboratory for Neurodegeneration, Tel-Aviv Medical Center, Tel-Aviv, Israel
| | - Roy N Alcalay
- Faculty of Medicine, Tel-Aviv University, Israel; Movement Disorders Unit, Neurological Institute, Tel-Aviv Medical Center, Israel; Laboratory of Early Markers of Neurodegeneration, Neurological Institute, Tel-Aviv Medical Center, Israel; Genomic Research Laboratory for Neurodegeneration, Tel-Aviv Medical Center, Tel-Aviv, Israel
| | - Anat Mirelman
- Faculty of Medicine, Tel-Aviv University, Israel; Laboratory of Early Markers of Neurodegeneration, Neurological Institute, Tel-Aviv Medical Center, Israel; Sagol School of Neuroscience, Tel-Aviv University, Israel
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Tropea TF, Hartstone W, Amari N, Baum D, Rick J, Suh E, Zhang H, Paul RA, Han N, Zack R, Brody EM, Albuja I, James J, Spindler M, Deik A, Aamodt WW, Dahodwala N, Hamedani A, Lasker A, Hurtig H, Stern M, Weintraub D, Vaswani P, Willis AW, Siderowf A, Xie SX, Van Deerlin V, Chen-Plotkin AS. Genetic and phenotypic characterization of Parkinson's disease at the clinic-wide level. NPJ Parkinsons Dis 2024; 10:97. [PMID: 38702337 PMCID: PMC11068880 DOI: 10.1038/s41531-024-00690-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 03/19/2024] [Indexed: 05/06/2024] Open
Abstract
Observational studies in Parkinson's disease (PD) deeply characterize relatively small numbers of participants. The Molecular Integration in Neurological Diagnosis Initiative seeks to characterize molecular and clinical features of every PD patient at the University of Pennsylvania (UPenn). The objectives of this study are to determine the feasibility of genetic characterization in PD and assess clinical features by sex and GBA1/LRRK2 status on a clinic-wide scale. All PD patients with clinical visits at the UPenn PD Center between 9/2018 and 12/2022 were eligible. Blood or saliva were collected, and a clinical questionnaire administered. Genotyping at 14 GBA1 and 8 LRRK2 variants was performed. PD symptoms were compared by sex and gene groups. 2063 patients were approached and 1,689 (82%) were enrolled, with 374 (18%) declining to participate. 608 (36%) females were enrolled, 159 (9%) carried a GBA1 variant, and 44 (3%) carried a LRRK2 variant. Compared with males, females across gene groups more frequently reported dystonia (53% vs 46%, p = 0.01) and anxiety (64% vs 55%, p < 0.01), but less frequently reported cognitive impairment (10% vs 49%, p < 0.01) and vivid dreaming (53% vs 60%, p = 0.01). GBA1 variant carriers more frequently reported anxiety (67% vs 57%, p = 0.04) and depression (62% vs 46%, p < 0.01) than non-carriers; LRRK2 variant carriers did not differ from non-carriers. We report feasibility for near-clinic-wide enrollment and characterization of individuals with PD during clinical visits at a high-volume academic center. Clinical symptoms differ by sex and GBA1, but not LRRK2, status.
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Affiliation(s)
- Thomas F Tropea
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Whitney Hartstone
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Noor Amari
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Dylan Baum
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Jacqueline Rick
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Eunran Suh
- Department of Pathology and Laboratory Medicine, Philadelphia, PA, USA
| | - Hanwen Zhang
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Rachel A Paul
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Noah Han
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Rebecca Zack
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Eliza M Brody
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Isabela Albuja
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Justin James
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Meredith Spindler
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Andres Deik
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Whitley W Aamodt
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Nabila Dahodwala
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Ali Hamedani
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Ophthalmology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Parkinson's Disease Research, Education and Clinical Centers (PADRECC), Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Aaron Lasker
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Howard Hurtig
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Matthew Stern
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Daniel Weintraub
- Parkinson's Disease Research, Education and Clinical Centers (PADRECC), Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Pavan Vaswani
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Parkinson's Disease Research, Education and Clinical Centers (PADRECC), Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Allison W Willis
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Parkinson's Disease Research, Education and Clinical Centers (PADRECC), Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Andrew Siderowf
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Sharon X Xie
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | | | - Alice S Chen-Plotkin
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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10
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Roeben B, Liepelt-Scarfone I, Lerche S, Zimmermann M, Wurster I, Sünkel U, Schulte C, Deuschle C, Eschweiler GW, Maetzler W, Gasser T, Berg D, Brockmann K. Longitudinal cognitive decline characterizes the profile of non-PD-manifest GBA1 mutation carriers. NPJ Parkinsons Dis 2024; 10:88. [PMID: 38649346 PMCID: PMC11035543 DOI: 10.1038/s41531-024-00706-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 04/08/2024] [Indexed: 04/25/2024] Open
Abstract
With disease-modifying treatment for Parkinson's disease (PD) associated with variants in the glucocerebrosidase gene (GBA1) under way, the challenge to design clinical trials with non-PD-manifest GBA mutation carriers (GBA1NMC) comes within close reach. To delineate trajectories of motor and non-motor markers as well as serum neurofilament light (sNfL) levels and to evaluate clinical endpoints as outcomes for clinical trials in GBA1NMC, longitudinal data of 56 GBA1NMC carriers and 112 age- and sex-matched GBA1 wildtype participants (GBA1wildtype) with up to 9 years of follow-up was analyzed using linear mixed-effects models (LMEM) and Kaplan-Meier survival analysis of clinical endpoints for motor and cognitive function. GBA1NMC showed worse performance in Pegboard, 20 m fast walking, global cognition as well as in executive and memory function at baseline. Longitudinally, LMEM revealed a higher annual increase of the MDS-UPDRS III bradykinesia subscore in GBA1NMC compared to GBA1wildtype, but comparable trajectories of all other motor and non-motor markers as well as sNfL. Kaplan-Meier survival analysis showed a significantly earlier progression to clinical endpoints of cognitive decline in GBA1NMC. Incidence of PD was significantly higher in GBA1NMC. In conclusion, our study extends data on GBA1NMC indicating early cognitive decline as a potentially characteristic feature. Comprehensive longitudinal assessments of cognitive function are crucial to delineate the evolution of early changes in GBA1NMC enabling a more accurate stratification and allow for a more precise definition of trial design and sample size.
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Grants
- Dr. Roeben was supported by the Clinician Scientist program of the Medical Faculty of the University of Tübingen (grant #478-0-0).
- Janssen Research and Development (Janssen R&D)
- Michael J. Fox Foundation for Parkinson’s Research (Michael J. Fox Foundation)
- European Commission (EC)
- EC | Horizon 2020 Framework Programme (EU Framework Programme for Research and Innovation H2020)
- Novartis
- International Parkinson Fonds (Germany) GmbH (IPD) German Ministry for Education and Research (BMBF)
- Dr. Zimmermann was supported by the Clinician Scientist program of the Medical Faculty of the University of Tübingen (grant #481-0-0).
- Dr. Wurster received funding from the Michael J. Fox Foundation in form of the Edmond J. Safra Fellowship in Movement Disorders.
- German Ministry for Education and Research (BMBF), German Research Council (DFG), German Innovationsfonds
- Robert Bosch Stiftung (Robert Bosch Foundation)
- Dr. Maetzler receives or received funding from the European Union, the German Federal Ministry of Education of Research, German Research Council, Michael J. Fox Foundation, Robert Bosch Foundation, Neuroalliance, Lundbeck, Sivantos and Janssen.
- Dr. Gasser receives research support from Novartis, the European Union, BMBF (the Federal Ministry of Education and Research), and Helmholtz Association.
- Janssen Pharmaceuticals (Janssen Pharmaceuticals, Inc.)
- Teva Pharmaceutical Industries (Teva Pharmaceutical Industries Ltd.)
- Abbott | Abbott Pharmaceuticals
- Boehringer Ingelheim (Boehringer Ingelheim Pharmaceuticals)
- UCB | UCB US
- Deutsches Zentrum für Neurodegenerative Erkrankungen (German Center for Neurodegenerative Diseases)
- Dr. Berg has received funding for travel or speaker honoraria from Lundbeck Inc., Novartis, UCB/ SCHWARZ PHARMA, Merck Serono, Biogen, Zambon, AbbVie, and BIALLtd.; and has received research support from Janssen, Teva Pharmaceutical Industries Ltd., Solvay Pharmaceuticals, Inc./Abbott, Boehringer, UCB, Michael J Fox Foundation, BMBF, dPV (German Parkinson’s disease association), Neuroallianz, DZNE, Center of Integrative Neurosciences and the Damp Foundation.
- Dr. Brockmann has received research grants from the University of Tuebingen (Clinician Scientist), the German Society of Parkinson’s disease (dpv), the Michael J. Fox Foundation (MJFF), the German Centre for Neurodegenerative Diseases (DZNE, MIGAP) and the German Federal Ministry of Education and Research (BMBF) in the frame of ERACoSysMed2 (FKZ 031L0137B).
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Affiliation(s)
- Benjamin Roeben
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany.
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany.
| | - Inga Liepelt-Scarfone
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
- IB-Hochschule, Stuttgart, Germany
| | - Stefanie Lerche
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Milan Zimmermann
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Isabel Wurster
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Ulrike Sünkel
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwer Str. 14, 72076, Tübingen, Germany
| | - Claudia Schulte
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Christian Deuschle
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Gerhard W Eschweiler
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwer Str. 14, 72076, Tübingen, Germany
- Geriatric Center at the University Hospital of Tübingen, Calwer Str. 14, 72076, Tübingen, Germany
| | - Walter Maetzler
- Department of Neurology, University Hospital Schleswig-Holstein, Campus Kiel, and Kiel University, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Thomas Gasser
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
| | - Daniela Berg
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- Department of Neurology, University Hospital Schleswig-Holstein, Campus Kiel, and Kiel University, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Kathrin Brockmann
- Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany
- German Center for Neurodegenerative Diseases, University of Tübingen, Otfried-Müller-Str. 27, 72076, Tübingen, Germany
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11
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Walton RL, Koga S, Beasley AI, White LJ, Griesacker T, Murray ME, Kasanuki K, Hou X, Fiesel FC, Springer W, Uitti RJ, Fields JA, Botha H, Ramanan VK, Kantarci K, Lowe VJ, Jack CR, Ertekin-Taner N, Savica R, Graff-Radford J, Petersen RC, Parisi JE, Reichard RR, Graff-Radford NR, Ferman TJ, Boeve BF, Wszolek ZK, Dickson DW, Ross OA, Heckman MG. Role of GBA variants in Lewy body disease neuropathology. Acta Neuropathol 2024; 147:54. [PMID: 38472443 PMCID: PMC11049671 DOI: 10.1007/s00401-024-02699-w] [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: 09/15/2023] [Revised: 01/26/2024] [Accepted: 01/27/2024] [Indexed: 03/14/2024]
Abstract
Rare and common GBA variants are risk factors for both Parkinson's disease (PD) and dementia with Lewy bodies (DLB). However, the degree to which GBA variants are associated with neuropathological features in Lewy body disease (LBD) is unknown. Herein, we assessed 943 LBD cases and examined associations of 15 different neuropathological outcomes with common and rare GBA variants. Neuropathological outcomes included LBD subtype, presence of a high likelihood of clinical DLB (per consensus guidelines), LB counts in five cortical regions, tyrosine hydroxylase immunoreactivity in the dorsolateral and ventromedial putamen, ventrolateral substantia nigra neuronal loss, Braak neurofibrillary tangle (NFT) stage, Thal amyloid phase, phospho-ubiquitin (pS65-Ub) level, TDP-43 pathology, and vascular disease. Sequencing of GBA exons revealed a total of 42 different variants (4 common [MAF > 0.5%], 38 rare [MAF < 0.5%]) in our series, and 165 cases (17.5%) had a copy of the minor allele for ≥ 1 variant. In analysis of common variants, p.L483P was associated with a lower Braak NFT stage (OR = 0.10, P < 0.001). In gene-burden analysis, presence of the minor allele for any GBA variant was associated with increased odds of a high likelihood of DLB (OR = 2.00, P < 0.001), a lower Braak NFT stage (OR = 0.48, P < 0.001), a lower Thal amyloid phase (OR = 0.55, P < 0.001), and a lower pS65-Ub level (β: -0.37, P < 0.001). Subgroup analysis revealed that GBA variants were most common in LBD cases with a combination of transitional/diffuse LBD and Braak NFT stage 0-II or Thal amyloid phase 0-1, and correspondingly that the aforementioned associations of GBA gene-burden with a decreased Braak NFT stage and Thal amyloid phase were observed only in transitional or diffuse LBD cases. Our results indicate that in LBD, GBA variants occur most frequently in cases with greater LB pathology and low AD pathology, further informing disease-risk associations of GBA in PD, PD dementia, and DLB.
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Affiliation(s)
- Ronald L Walton
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Shunsuke Koga
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Launia J White
- Division of Clinical Trials and Biostatistics, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, USA
| | | | | | - Koji Kasanuki
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Xu Hou
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | - Ryan J Uitti
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
| | - Julie A Fields
- Department of Psychiatry & Psychology, Mayo Clinic, Rochester, MN, USA
| | - Hugo Botha
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | | | - Kejal Kantarci
- Department of Neuroradiology, Mayo Clinic, Rochester, MN, USA
| | - Val J Lowe
- Department of Nuclear Medicine, Mayo Clinic, Rochester, MN, USA
| | - Clifford R Jack
- Department of Neuroradiology, Mayo Clinic, Rochester, MN, USA
| | - Nilufer Ertekin-Taner
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
| | - Rodolfo Savica
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | | | | | - Joseph E Parisi
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - R Ross Reichard
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Tanis J Ferman
- Department of Psychiatry and Psychology, Mayo Clinic, Jacksonville, FL, USA
| | | | | | | | - Owen A Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
- Department of Clinical Genomics, Mayo Clinic, Jacksonville, FL, USA
| | - Michael G Heckman
- Division of Clinical Trials and Biostatistics, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, USA.
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12
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Faouzi J, Tan M, Casse F, Lesage S, Tesson C, Brice A, Mangone G, Mariani LL, Iwaki H, Colliot O, Pihlstrøm L, Corvol JC. Proxy-analysis of the genetics of cognitive decline in Parkinson's disease through polygenic scores. NPJ Parkinsons Dis 2024; 10:8. [PMID: 38177146 PMCID: PMC10767119 DOI: 10.1038/s41531-023-00619-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024] Open
Abstract
Cognitive decline is common in Parkinson's disease (PD) and its genetic risk factors are not well known to date, besides variants in the GBA and APOE genes. However, variation in complex traits is caused by numerous variants and is usually studied with genome-wide association studies (GWAS), requiring a large sample size, which is difficult to achieve for outcome measures in PD. Taking an alternative approach, we computed 100 polygenic scores (PGS) related to cognitive, dementia, stroke, and brain anatomical phenotypes and investigated their association with cognitive decline in six longitudinal cohorts. The analysis was adjusted for age, sex, genetic ancestry, follow-up duration, GBA and APOE status. Then, we meta-analyzed five of these cohorts, comprising a total of 1702 PD participants with 6156 visits, using the Montreal Cognitive Assessment as a cognitive outcome measure. After correction for multiple comparisons, we found four PGS significantly associated with cognitive decline: intelligence (p = 5.26e-13), cognitive performance (p = 1.46e-12), educational attainment (p = 8.52e-10), and reasoning (p = 3.58e-5). Survival analyses highlighted an offset of several years between the first and last quartiles of PGS, with significant differences for the PGS of cognitive performance (5 years) and educational attainment (7 years). In conclusion, we found four PGS associated with cognitive decline in PD, all associated with general cognitive phenotypes. This study highlights the common genetic factors between cognitive decline in PD and the general population, and the importance of the participant's cognitive reserve for cognitive outcome in PD.
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Affiliation(s)
- Johann Faouzi
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inria, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, F-75013, Paris, France
- Univ Rennes, Ensai, CNRS, CREST-UMR 9194, F-35000, Rennes, France
| | - Manuela Tan
- Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Fanny Casse
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Suzanne Lesage
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Christelle Tesson
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Alexis Brice
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, DMU Neurosciences, Département de Génétique, F-75013, Paris, France
| | - Graziella Mangone
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, DMU Neurosciences, Département de Neurologie, F-75013, Paris, France
- Department of Neurology, Movement Disorder Division, Rush University Medical Center, 1725 W. Harrison Street, Chicago, IL, 60612, USA
| | - Louise-Laure Mariani
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, DMU Neurosciences, Département de Neurologie, F-75013, Paris, France
| | - Hirotaka Iwaki
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International LLC, Washington, DC, USA
| | - Olivier Colliot
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inria, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, F-75013, Paris, France
| | - Lasse Pihlstrøm
- Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Jean-Christophe Corvol
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, CNRS, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, DMU Neurosciences, Département de Neurologie, F-75013, Paris, France.
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13
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Andica C, Kamagata K, Uchida W, Saito Y, Takabayashi K, Hagiwara A, Takeshige-Amano H, Hatano T, Hattori N, Aoki S. Fiber-Specific White Matter Alterations in Parkinson's Disease Patients with GBA Gene Mutations. Mov Disord 2023; 38:2019-2030. [PMID: 37608502 DOI: 10.1002/mds.29578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/21/2023] [Accepted: 07/31/2023] [Indexed: 08/24/2023] Open
Abstract
BACKGROUND Patients with Parkinson's disease (PD) carrying GBA gene mutations (GBA-PD) have a more aggressive disease course than those with idiopathic PD (iPD). OBJECTIVE The objective of this study was to investigate fiber-specific white matter (WM) differences in nonmedicated patients with early-stage GBA-PD and iPD using fixel-based analysis, a novel technique to assess tract-specific WM microstructural and macrostructural features comprehensively. METHODS Fixel-based metrics, including microstructural fiber density (FD), macrostructural fiber-bundle cross section (FC), and a combination of FD and FC (FDC), were compared among 30 healthy control subjects, 16 patients with GBA-PD, and 35 patients with iPD. Associations between FDC and clinical evaluations were also explored using multiple linear regression analyses. RESULTS Patients with GBA-PD showed significantly lower FD in the fornix and superior longitudinal fasciculus than healthy control subjects, and lower FC in the corticospinal tract (CST) and lower FDC in the CST, middle cerebellar peduncle, and striatal-thalamo-cortical pathways than patients with iPD. Contrarily, patients with iPD showed significantly higher FC and FDC in the CST and striatal-thalamo-cortical pathways than healthy control subjects. In addition, lower FDC in patients with GBA-PD was associated with reduced glucocerebrosidase enzyme activity, lower cerebrospinal fluid total α-synuclein levels, lower Montreal Cognitive Assessment scores, lower striatal binding ratio, and higher Unified Parkinson's Disease Rating Scale Part III scores. CONCLUSIONS We report reduced fiber-specific WM density and bundle cross-sectional size in patients with GBA-PD, suggesting neurodegeneration linked to glucocerebrosidase deficiency, α-synuclein accumulation, and poorer cognition and motor functions. Conversely, patients with iPD showed increased fiber bundle size, likely because of WM reorganization. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Grants
- Grant-in-Aid for Special Research in Subsidies for ordinary expenses of private schools from The Promotion and Mutual Aid Corporation for Private Schools of Japan
- JP21wm0425006 Japan Agency for Medical Research and Development
- 23H02865 Japan Society for the Promotion of Science
- 23K14927 Japan Society for the Promotion of Science
- PPMI - a public-private partnership - is funded by the Michael J. Fox Foundation for Parkinson's Research funding partners 4D Pharma, Abbvie, Acurex Therapeutics, Allergan, Amathus Therapeutics, ASAP, Avid Radiopharmaceuticals, Bial Biotech, Biogen, BioLegend, Bristol-Myers Squibb, Calico, Celgene, Dacapo Brain Science, Denali, The Edmond J. Safra Foundation, GE Healthcare, Genentech, GlaxoSmithKline, Golub Capital, Handl Therapeutics, Insitro, Janssen Neuroscience, Lilly, Lundbeck, Merck, M
- JP18dm0307004 The Brain/MINDS Beyond program of the Japan Agency for Medical Research and Development
- JP19dm0307101 The Brain/MINDS Beyond program of the Japan Agency for Medical Research and Development
- The Juntendo Research Branding Project
- The Project for Training Experts in Statistical Sciences
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Affiliation(s)
- Christina Andica
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Faculty of Health Data Science, Juntendo University, Chiba, Japan
| | - Koji Kamagata
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Wataru Uchida
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yuya Saito
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kaito Takabayashi
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Akifumi Hagiwara
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | | | - Taku Hatano
- Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shigeki Aoki
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Faculty of Health Data Science, Juntendo University, Chiba, Japan
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14
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Toffoli M, Chohan H, Mullin S, Jesuthasan A, Yalkic S, Koletsi S, Menozzi E, Rahall S, Limbachiya N, Loefflad N, Higgins A, Bestwick J, Lucas-Del-Pozo S, Fierli F, Farbos A, Mezabrovschi R, Lee-Yin C, Schrag A, Moreno-Martinez D, Hughes D, Noyce A, Colclough K, Jeffries AR, Proukakis C, Schapira AHV. Phenotypic effect of GBA1 variants in individuals with and without Parkinson's disease: The RAPSODI study. Neurobiol Dis 2023; 188:106343. [PMID: 37926171 DOI: 10.1016/j.nbd.2023.106343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/08/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023] Open
Abstract
BACKGROUND Variants in the GBA1 gene cause the lysosomal storage disorder Gaucher disease (GD). They are also risk factors for Parkinson's disease (PD), and modify the expression of the PD phenotype. The penetrance of GBA1 variants in PD is incomplete, and the ability to determine who among GBA1 variant carriers are at higher risk of developing PD, would represent an advantage for prognostic and trial design purposes. OBJECTIVES To compare the motor and non-motor phenotype of GBA1 carriers and non-carriers. METHODS We present the cross-sectional results of the baseline assessment from the RAPSODI study, an online assessment tool for PD patients and GBA1 variant carriers. The assessment includes clinically validated questionnaires, a tap-test, the University of Pennsyllvania Smell Identification Test and cognitive tests. Additional, homogeneous data from the PREDICT-PD cohort were included. RESULTS A total of 379 participants completed all parts of the RAPSODI assessment (89 GBA1-negative controls, 169 GBA1-negative PD, 47 GBA1-positive PD, 47 non-affected GBA1 carriers, 27 GD). Eighty-six participants were recruited through PREDICT-PD (43 non-affected GBA1 carriers and 43 GBA1-negative controls). GBA1-positive PD patients showed worse performance in visual cognitive tasks and olfaction compared to GBA1-negative PD patients. No differences were detected between non-affected GBA1 carriers carriers and GBA1-negative controls. No phenotypic differences were observed between any of the non-PD groups. CONCLUSIONS Our results support previous evidence that GBA1-positive PD has a specific phenotype with more severe non-motor symptoms. However, we did not reproduce previous findings of more frequent prodromal PD signs in non-affected GBA1 carriers.
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Affiliation(s)
- Marco Toffoli
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Harneek Chohan
- Preventive Neurology Unit, Wolfson Institute of Population Health, Queen Mary University of London, UK
| | - Stephen Mullin
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Faculty of Health, University of Plymouth, Plymouth PL4 8AA, UK
| | | | - Selen Yalkic
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Sofia Koletsi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Elisa Menozzi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Soraya Rahall
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Naomi Limbachiya
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Nadine Loefflad
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Abigail Higgins
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Jonathan Bestwick
- Preventive Neurology Unit, Wolfson Institute of Population Health, Queen Mary University of London, UK
| | - Sara Lucas-Del-Pozo
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Federico Fierli
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Audrey Farbos
- Biosciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
| | - Roxana Mezabrovschi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Chiao Lee-Yin
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Anette Schrag
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - David Moreno-Martinez
- Lysosomal Storage Disorders Unit, Royal Free Hospital NHS Foundation Trust and University College London, London, UK
| | - Derralynn Hughes
- Lysosomal Storage Disorders Unit, Royal Free Hospital NHS Foundation Trust and University College London, London, UK
| | - Alastair Noyce
- Preventive Neurology Unit, Wolfson Institute of Population Health, Queen Mary University of London, UK
| | - Kevin Colclough
- Exeter Genomics Laboratory, Royal Devon University Healthcare NHS Trust, Exeter, UK
| | - Aaron R Jeffries
- Biosciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
| | - Christos Proukakis
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Anthony H V Schapira
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
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15
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Huh YE, Usnich T, Scherzer CR, Klein C, Chung SJ. GBA1 Variants and Parkinson's Disease: Paving the Way for Targeted Therapy. J Mov Disord 2023; 16:261-278. [PMID: 37302978 PMCID: PMC10548077 DOI: 10.14802/jmd.23023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/28/2023] [Accepted: 06/09/2023] [Indexed: 06/13/2023] Open
Abstract
Glucosylceramidase beta 1 (GBA1) variants have attracted enormous attention as the most promising and important genetic candidates for precision medicine in Parkinson's disease (PD). A substantial correlation between GBA1 genotypes and PD phenotypes could inform the prediction of disease progression and promote the development of a preventive intervention for individuals at a higher risk of a worse disease prognosis. Moreover, the GBA1-regulated pathway provides new perspectives on the pathogenesis of PD, such as dysregulated sphingolipid metabolism, impaired protein quality control, and disrupted endoplasmic reticulum-Golgi trafficking. These perspectives have led to the development of novel disease-modifying therapies for PD targeting the GBA1-regulated pathway by repositioning treatment strategies for Gaucher's disease. This review summarizes the current hypotheses on a mechanistic link between GBA1 variants and PD and possible therapeutic options for modulating GBA1-regulated pathways in PD patients.
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Affiliation(s)
- Young Eun Huh
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Tatiana Usnich
- Institute of Neurogenetics, University of Lübeck and University Hospital of Schleswig-Holstein, Lübeck, Germany
| | - Clemens R. Scherzer
- Advanced Center for Parkinson’s Disease Research, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA, USA
- Precision Neurology Program, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA, USA
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck and University Hospital of Schleswig-Holstein, Lübeck, Germany
| | - Sun Ju Chung
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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16
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Thangaleela S, Sivamaruthi BS, Kesika P, Mariappan S, Rashmi S, Choeisoongnern T, Sittiprapaporn P, Chaiyasut C. Neurological Insights into Sleep Disorders in Parkinson's Disease. Brain Sci 2023; 13:1202. [PMID: 37626558 PMCID: PMC10452387 DOI: 10.3390/brainsci13081202] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/07/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Parkinson's disease (PD) is a common multidimensional neurological disorder characterized by motor and non-motor features and is more prevalent in the elderly. Sleep disorders and cognitive disturbances are also significant characteristics of PD. Sleep is an important physiological process for normal human cognition and physical functioning. Sleep deprivation negatively impacts human physical, mental, and behavioral functions. Sleep disturbances include problems falling asleep, disturbances occurring during sleep, abnormal movements during sleep, insufficient sleep, and excessive sleep. The most recognizable and known sleep disorders, such as rapid-eye-movement behavior disorder (RBD), insomnia, excessive daytime sleepiness (EDS), restless legs syndrome (RLS), sleep-related breathing disorders (SRBDs), and circadian-rhythm-related sleep-wake disorders (CRSWDs), have been associated with PD. RBD and associated emotional disorders are common non-motor symptoms of PD. In individuals, sleep disorders and cognitive impairment are important prognostic factors for predicting progressing neurodegeneration and developing dementia conditions in PD. Studies have focused on RBD and its associated neurological changes and functional deficits in PD patients. Other risks, such as cognitive decline, anxiety, and depression, are related to RBD. Sleep-disorder diagnosis is challenging, especially in identifying the essential factors that disturb the sleep-wake cycle and the co-existence of other concomitant sleep issues, motor symptoms, and breathing disorders. Focusing on sleep patterns and their disturbances, including genetic and other neurochemical changes, helps us to better understand the central causes of sleep alterations and cognitive functions in PD patients. Relations between α-synuclein aggregation in the brain and gender differences in sleep disorders have been reported. The existing correlation between sleep disorders and levels of α-synuclein in the cerebrospinal fluid indicates the risk of progression of synucleinopathies. Multidirectional approaches are required to correlate sleep disorders and neuropsychiatric symptoms and diagnose sensitive biomarkers for neurodegeneration. The evaluation of sleep pattern disturbances and cognitive impairment may aid in the development of novel and effective treatments for PD.
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Affiliation(s)
- Subramanian Thangaleela
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (S.T.); (B.S.S.); (P.K.)
| | - Bhagavathi Sundaram Sivamaruthi
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (S.T.); (B.S.S.); (P.K.)
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Periyanaina Kesika
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (S.T.); (B.S.S.); (P.K.)
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
| | | | - Subramanian Rashmi
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (S.T.); (B.S.S.); (P.K.)
| | - Thiwanya Choeisoongnern
- Neuropsychological Research Laboratory, Neuroscience Research Center, School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok 10110, Thailand
| | - Phakkharawat Sittiprapaporn
- Neuropsychological Research Laboratory, Neuroscience Research Center, School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok 10110, Thailand
| | - Chaiyavat Chaiyasut
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (S.T.); (B.S.S.); (P.K.)
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17
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Cherian A, K P D, Vijayaraghavan A. Parkinson's disease - genetic cause. Curr Opin Neurol 2023; Publish Ahead of Print:00019052-990000000-00070. [PMID: 37366140 DOI: 10.1097/wco.0000000000001167] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
PURPOSE OF REVIEW Our knowledge of the genetic architecture underlying Parkinson's disease has vastly improved in the past quarter century. About 5-10% of all patients suffer from a monogenic form of Parkinson's disease. RECENT FINDINGS Mutations in autosomal dominant genes (e.g. SNCA, LRRK2, VPS35) or autosomal recessive genes (e.g. PRKN, PINK1, DJ-1) can cause genetic Parkinson's disease. Recessive DNAJC6 mutations can present predominantly as atypical parkinsonism, but also rarely as typical Parkinson's disease. Majority of Parkinson's disease is genetically complex. Mutation in RIC3, a chaperone of neuronal nicotinic acetylcholine receptor subunit α-7 (CHRNA7), provides strong evidence for the role of cholinergic pathway, for the first time, in cause of Parkinson's disease. X-linked parkinsonism manifests at a young age accompanied by many (atypical) features such as intellectual disability, spasticity, seizures, myoclonus, dystonia, and have poor response to levodopa. SUMMARY This review article aims to provide a comprehensive overview on Parkinson's disease genetics. MAPT, which encodes the microtubule associated protein tau, TMEM230, LRP10, NUS1 and ARSA are the five new putative disease-causing genes in Parkinson's disease. The validation of novel genes and its association with Parkinson's disease remains extremely challenging, as genetically affected families are sparse and globally widespread. In the near future, genetic discoveries in Parkinson's disease will influence our ability to predict and prognosticate the disease, help in defining etiological subtypes that are critical in implementation of precision medicine.
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Affiliation(s)
- Ajith Cherian
- Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
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18
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den Heijer JM, Kruithof AC, Moerland M, Walker M, Dudgeon L, Justman C, Solomini I, Splitalny L, Leymarie N, Khatri K, Cullen VC, Hilt DC, Groeneveld GJ, Lansbury P. A Phase 1B Trial in GBA1-Associated Parkinson's Disease of BIA-28-6156, a Glucocerebrosidase Activator. Mov Disord 2023. [PMID: 37195859 DOI: 10.1002/mds.29346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/13/2022] [Accepted: 12/16/2022] [Indexed: 05/19/2023] Open
Abstract
BACKGROUND Loss-of-function mutations in the GBA1 gene are one of the most common genetic risk factors for onset of Parkinson's disease and subsequent progression (GBA-PD). GBA1 encodes the lysosomal enzyme glucocerebrosidase (GCase), a promising target for a possible first disease-modifying therapy. LTI-291 is an allosteric activator of GCase, which increases the activity of normal and mutant forms of GCase. OBJECTIVES This first-in-patient study evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of 28 daily doses of LTI-291 in GBA-PD. METHODS This was a randomized, double-blind, placebo-controlled trial in 40 GBA-PD participants. Twenty-eight consecutive daily doses of 10, 30, or 60 mg of LTI-291 or placebo were administered (n = 10 per treatment allocation). Glycosphingolipid (glucosylceramide and lactosylceramide) levels were measured in peripheral blood mononuclear cells (PBMCs), plasma, and cerebrospinal fluid (CSF), and a test battery of neurocognitive tasks, the Movement Disorder Society-Unified Parkinson's Disease Rating Scale and the Mini-Mental State Exam, were performed. RESULTS LTI-291 was generally well tolerated, no deaths or treatment-related serious adverse events occurred, and no participants withdrew due to adverse events. Cmax , and AUC0-6 of LTI-291 increased in a dose-proportional manner, with free CSF concentrations equal to the free fraction in plasma. A treatment-related transient increase in intracellular glucosylceramide (GluCer) in PBMCs was measured. CONCLUSION These first-in-patient studies demonstrated that LTI-291 was well tolerated when administered orally for 28 consecutive days to patients with GBA-PD. Plasma and CSF concentrations that are considered pharmacologically active were reached (ie, sufficient to at least double GCase activity). Intracellular GluCer elevations were detected. Clinical benefit will be assessed in a larger long-term trial in GBA-PD. © 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)
- Jonas M den Heijer
- Department of Neurology, Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
| | - Annelieke C Kruithof
- Department of Neurology, Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
| | - Matthijs Moerland
- Department of Neurology, Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
| | | | | | - Craig Justman
- Lysosomal Therapeutics Inc., Cambridge, Massachusetts, USA
| | | | | | - Nancy Leymarie
- Lysosomal Therapeutics Inc., Cambridge, Massachusetts, USA
| | - Kshitij Khatri
- Lysosomal Therapeutics Inc., Cambridge, Massachusetts, USA
| | | | - Dana C Hilt
- Lysosomal Therapeutics Inc., Cambridge, Massachusetts, USA
| | - Geert Jan Groeneveld
- Department of Neurology, Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
| | - Peter Lansbury
- Lysosomal Therapeutics Inc., Cambridge, Massachusetts, USA
- Department of Neurology, Harvard Medical School, Boston, Massachusetts, USA
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19
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Carceles-Cordon M, Weintraub D, Chen-Plotkin AS. Cognitive heterogeneity in Parkinson's disease: A mechanistic view. Neuron 2023; 111:1531-1546. [PMID: 37028431 PMCID: PMC10198897 DOI: 10.1016/j.neuron.2023.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/22/2022] [Accepted: 03/13/2023] [Indexed: 04/09/2023]
Abstract
Cognitive impairment occurs in most individuals with Parkinson's disease (PD), exacting a high toll on patients, their caregivers, and the healthcare system. In this review, we begin by summarizing the current clinical landscape surrounding cognition in PD. We then discuss how cognitive impairment and dementia may develop in PD based on the spread of the pathological protein alpha-synuclein (aSyn) from neurons in brainstem regions to those in the cortical regions of the brain responsible for higher cognitive functions, as first proposed in the Braak hypothesis. We appraise the Braak hypothesis from molecular (conformations of aSyn), cell biological (cell-to-cell spread of pathological aSyn), and organ-level (region-to-region spread of aSyn pathology at the whole brain level) viewpoints. Finally, we argue that individual host factors may be the most poorly understood aspect of this pathological process, accounting for substantial heterogeneity in the pattern and pace of cognitive decline in PD.
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Affiliation(s)
- Marc Carceles-Cordon
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Dan Weintraub
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Alice S Chen-Plotkin
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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20
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Morris R, Martini DN, Kelly VE, Smulders K, Ramsey K, Hiller A, Chung KA, Hu SC, Zabetian CP, Poston KL, Mata IF, Edwards KL, Lapidus J, Cholerton B, Montine TJ, Quinn JF, Horak F. Gait and balance in apolipoprotein Ɛ4 allele carriers in older adults and Parkinson's disease. Clin Park Relat Disord 2023; 9:100201. [PMID: 37252677 PMCID: PMC10209874 DOI: 10.1016/j.prdoa.2023.100201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 03/09/2023] [Accepted: 05/14/2023] [Indexed: 05/31/2023] Open
Abstract
Background Gait and balance impairments are among the most troublesome and heterogeneous in Parkinson's disease (PD). This heterogeneity may, in part, reflect genetic variation. The apolipoprotein E (APOE) gene has three major allelic variants (ε2, ε3 and ε4). Previous work has demonstrated that older adult (OA) APOE ε4 carriers demonstrate gait deficits. This study compared gait and balance measures between APOE ε4 carriers and non-carriers in both OA and PD. Methods 334 people with PD (81 APOE ε4 carriers and 253 non-carriers) and 144 OA (41 carriers and 103 non-carriers) were recruited. Gait and balance were assessed using body-worn inertial sensors. Two-way analyses of covariance (ANCOVA) compared gait and balance characteristics between APOE ε4 carriers and non-carriers in people with PD and OA, controlling for age, gender, and testing site. Results Gait and balance were worse in people with PD compared to OA. However, there were no differences between APOE ε4 carriers and non-carriers in either the OA or PD group. In addition, there were no significant group (OA/PD) by APOE ε4 status (carrier/non-carrier) interaction effects for any measures of gait or balance. Conclusions Although we found expected impairments in gait and balance in PD compared to OA, gait and balance characteristics did not differ between APOE ε4 carriers and non-carriers in either group. While APOE status did not impact gait and balance in this cross-sectional study, future work is needed to determine whether progression of gait and balance deficits is faster in PD APOE Ɛ4 carriers.
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Affiliation(s)
- Rosie Morris
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK
| | - Douglas N. Martini
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Valerie E. Kelly
- Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Katrijn Smulders
- Sint Maartenskliniek Research Department, Nijmegen, the Netherlands
| | - Katrina Ramsey
- School of Public Health, Oregon Health and Science University, Portland, OR, USA
| | - Amie Hiller
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Kathryn A. Chung
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Shu-Ching Hu
- Sint Maartenskliniek Research Department, Nijmegen, the Netherlands
- Portland Veterans Affairs Health Care System, Portland, OR, USA
| | - Cyrus P. Zabetian
- Sint Maartenskliniek Research Department, Nijmegen, the Netherlands
- Portland Veterans Affairs Health Care System, Portland, OR, USA
| | - Kathleen L. Poston
- Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
| | - Ignacio F. Mata
- Sint Maartenskliniek Research Department, Nijmegen, the Netherlands
- Portland Veterans Affairs Health Care System, Portland, OR, USA
- Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA
| | - Karen L. Edwards
- Department of Neurology and Neurological Sciences, Stanford School of Medicine, Palo Alto, CA, US
| | - Jodi Lapidus
- School of Public Health, Oregon Health and Science University, Portland, OR, USA
| | - Brenna Cholerton
- Lerner Research Institute, Genomic Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Thomas J. Montine
- Lerner Research Institute, Genomic Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Joseph F. Quinn
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Fay Horak
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
- Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, WA, USA
- Department of Epidemiology and Biostatistics, University of California, Irvine, CA, USA
- Department of Pathology, Stanford University School of Medicine, Palo Alto, CA, USA
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21
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Alur V, Raju V, Vastrad B, Vastrad C, Kavatagimath S, Kotturshetti S. Bioinformatics Analysis of Next Generation Sequencing Data Identifies Molecular Biomarkers Associated With Type 2 Diabetes Mellitus. Clin Med Insights Endocrinol Diabetes 2023; 16:11795514231155635. [PMID: 36844983 PMCID: PMC9944228 DOI: 10.1177/11795514231155635] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 01/19/2023] [Indexed: 02/23/2023] Open
Abstract
Background Type 2 diabetes mellitus (T2DM) is the most common metabolic disorder. The aim of the present investigation was to identify gene signature specific to T2DM. Methods The next generation sequencing (NGS) dataset GSE81608 was retrieved from the gene expression omnibus (GEO) database and analyzed to identify the differentially expressed genes (DEGs) between T2DM and normal controls. Then, Gene Ontology (GO) and pathway enrichment analysis, protein-protein interaction (PPI) network, modules, miRNA (micro RNA)-hub gene regulatory network construction and TF (transcription factor)-hub gene regulatory network construction, and topological analysis were performed. Receiver operating characteristic curve (ROC) analysis was also performed to verify the prognostic value of hub genes. Results A total of 927 DEGs (461 were up regulated and 466 down regulated genes) were identified in T2DM. GO and REACTOME results showed that DEGs mainly enriched in protein metabolic process, establishment of localization, metabolism of proteins, and metabolism. The top centrality hub genes APP, MYH9, TCTN2, USP7, SYNPO, GRB2, HSP90AB1, UBC, HSPA5, and SQSTM1 were screened out as the critical genes. ROC analysis provides prognostic value of hub genes. Conclusion The potential crucial genes, especially APP, MYH9, TCTN2, USP7, SYNPO, GRB2, HSP90AB1, UBC, HSPA5, and SQSTM1, might be linked with risk of T2DM. Our study provided novel insights of T2DM into genetics, molecular pathogenesis, and novel therapeutic targets.
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Affiliation(s)
- Varun Alur
- Department of Endocrinology, J.J.M
Medical College, Davanagere, Karnataka, India
| | - Varshita Raju
- Department of Obstetrics and
Gynecology, J.J.M Medical College, Davanagere, Karnataka, India
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry,
K.L.E. College of Pharmacy, Gadag, Karnataka, India
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics,
Chanabasava Nilaya, Dharwad, Karnataka, India,Chanabasayya Vastrad, Biostatistics and
Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad, Karnataka 580001,
India.
| | - Satish Kavatagimath
- Department of Pharmacognosy, K.L.E.
College of Pharmacy, Belagavi, Karnataka, India
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22
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Zhang D, Shi Y, Yao J, Zhou L, Wei H, Liu J, Tong Q, Ma L, He H, Wu T. Free-Water Imaging of the Substantia Nigra in GBA Pathogenic Variant Carriers. Mov Disord 2023. [PMID: 36797645 DOI: 10.1002/mds.29356] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND Pathogenic variants in the glucocerebrosidase gene (GBA) have been identified as the most common genetic risk factor for Parkinson's disease (PD). However, the features of substantia nigra damage in GBA pathogenic variant carriers remain unclear. OBJECTIVE We aimed to evaluate the microstructural changes in the substantia nigra in non-manifesting GBA pathogenic variant carriers (GBA-NMC) and PD patients with GBA pathogenic variant (GBA-PD) with free-water imaging. METHODS First, we compared free water values in the posterior substantia nigra between non-manifesting non-carriers (NMNC, n = 29), GBA-NMC (n = 26), and GBA-PD (n = 16). Then, free water values in the posterior substantia nigra were compared between GBA-PD and early- (n = 19) and late-onset (n = 40) idiopathic PD (iPD) patients. Furthermore, we examined whether the baseline free water values could predict the progressions of clinical symptoms. RESULTS The free water values in the posterior substantia nigra were significantly higher in the GBA-NMC and GBA-PD groups compared to NMNC, and were significantly increased in the GBA-PD group than both early- and late-onset iPD. Free water values in the posterior substantia nigra could predict the progression of anxiety and cognitive decline in GBA-NMC and GBA-PD groups. CONCLUSIONS We demonstrate that free water values are elevated in the substantia nigra and predict the development of non-motor symptoms in GBA-NMC and GBA-PD. Our findings demonstrate that a significant nigral impairment already exists in GBA-NMC, and nigral injury may be more severe in GBA-PD than in iPD. These results support that free-water imaging can as a potential early marker of substantia nigra damage. © 2023 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Dongling Zhang
- Center for Movement Disorders, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Parkinson's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
| | - Yuting Shi
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Junye Yao
- Center for Brain Imaging Science and Technology, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
| | - Liche Zhou
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongjiang Wei
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Jun Liu
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiqi Tong
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Lingyan Ma
- Center for Movement Disorders, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Parkinson's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
| | - Hongjian He
- Center for Brain Imaging Science and Technology, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China.,School of Physics, Zhejiang University, Hangzhou, China
| | - Tao Wu
- Center for Movement Disorders, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Parkinson's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
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23
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Ren J, Zhou G, Wang Y, Zhang R, Guo Z, Zhou H, Zheng H, Sun Y, Ma C, Lu M, Liu W. Association of GBA genotype with motor and cognitive decline in Chinese Parkinson's disease patients. Front Aging Neurosci 2023; 15:1091919. [PMID: 36845659 PMCID: PMC9950580 DOI: 10.3389/fnagi.2023.1091919] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/23/2023] [Indexed: 02/12/2023] Open
Abstract
Objective Variants in the glucocerebrosidase (GBA) gene are the most common and significant risk factor for Parkinson's disease (PD). However, the impact of GBA variants on PD disease progression in the Chinese population remains unclear. This study aimed to explore the significance of GBA status on motor and cognitive impairment in a longitudinal cohort of Chinese patients with PD. Methods The entire GBA gene was screened by long-range polymerase chain reaction (LR-PCR) and next generation sequencing (NGS). A total of 43 GBA-related PD (GBA-PD) and 246 non-GBA-mutated PD (NM-PD) patients with complete clinical data at baseline and at least one follow-up were recruited for this study. The associations of GBA genotype with rate of motor and cognitive decline, as measured by Unified PD Rating Scale (UPDRS) motor and Montreal Cognitive Assessment (MoCA), were assessed by linear mixed-effect models. Results The estimated (standard error, SE) UPDRS motor [2.25 (0.38) points/year] and MoCA [-0.53 (0.11) points/year] progression rates in the GBA-PD group were significantly faster than those in the NM-PD group [1.35 (0.19); -0.29 (0.04) points/year; respectively]. In addition, the GBA-PD group showed significantly faster estimated (SE) bradykinesia [1.04 (0.18) points/year], axial impairment [0.38 (0.07) points/year], and visuospatial/executive [-0.15 (0.03) points/year] progression rates than the NM-PD group [0.62 (0.10); 0.17 (0.04); -0.07 (0.01) points/year; respectively]. Conclusion GBA-PD is associated with faster motor and cognitive decline, specifically greater disability in terms of bradykinesia, axial impairment, and visuospatial/executive function. Better understanding of GBA-PD progression may help predict prognosis and improve clinical trial design.
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Affiliation(s)
- Jingru Ren
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Gaiyan Zhou
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Yajie Wang
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Ronggui Zhang
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiying Guo
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Hao Zhou
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Huifen Zheng
- Department of Neurology, Geriatric Hospital of Nanjing Medical University, Nanjing, China
| | - Yu Sun
- International Laboratory for Children’s Medical Imaging Research, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, China
| | - Changyan Ma
- Department of Medical Genetics, Nanjing Medical University, Nanjing, China
| | - Ming Lu
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, China
| | - Weiguo Liu
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China,*Correspondence: Weiguo Liu,
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24
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Usnich T, Olmedillas M, Schell N, Paul JJ, Curado F, Skobalj S, Csoti I, Ertan S, Gruber D, Zittel S, Sammler E, Isaacson SH, Kühn AA, Pedrosa DJ, Reetz K, Kasten M, Rolfs A, Bauer P, Skrahina V, Klein C, Brüggemann N. Frequency of non-motor symptoms in Parkinson's disease patients carrying the E326K and T369M GBA risk variants. Parkinsonism Relat Disord 2023; 107:105248. [PMID: 36565535 DOI: 10.1016/j.parkreldis.2022.105248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Affiliation(s)
- Tatiana Usnich
- Institute of Neurogenetics, University of Lübeck, Germany
| | | | - Nathalie Schell
- Institute of Neurogenetics, University of Lübeck, Germany; Department of Pediatrics, Universitätsmedizin Essen, Germany
| | | | | | | | - Ilona Csoti
- Gertrudis Clinic Biskirchen, Parkinson-Center, Leun, Germany
| | - Sibel Ertan
- Department of Neurology, Koç University School of Medicine, Istanbul, Turkey
| | - Doreen Gruber
- Movement Disorders Clinic, Beelitz-Heilstätten, Germany
| | - Simone Zittel
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Stuart H Isaacson
- Parkinson's Disease and Movement Disorder Center of Boca Raton, Boca Raton, USA
| | - Andrea A Kühn
- Department of Neurology, Movement Disorders and Neuromodulation Unit, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - David J Pedrosa
- Department of Neurology, University Hospital Marburg, Marburg, Germany
| | - Kathrin Reetz
- Department of Neurology, University Hospital Aachen, Aachen, Germany
| | - Meike Kasten
- Institute of Neurogenetics, University of Lübeck, Germany; Department of Psychiatry and Psychotherapy, University of Lübeck, Germany
| | - Arndt Rolfs
- CENTOGENE GmbH, Rostock, Germany; University of Rostock, Albrecht Kossel Institute, Rostock, Germany; Arcensus GmbH, Rostock, Germany
| | | | - Volha Skrahina
- CENTOGENE GmbH, Rostock, Germany; Arcensus GmbH, Rostock, Germany
| | | | - Norbert Brüggemann
- Institute of Neurogenetics, University of Lübeck, Germany; Department of Neurology, University of Luebeck, Luebeck, Germany.
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25
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GBA1 Gene Mutations in α-Synucleinopathies-Molecular Mechanisms Underlying Pathology and Their Clinical Significance. Int J Mol Sci 2023; 24:ijms24032044. [PMID: 36768367 PMCID: PMC9917178 DOI: 10.3390/ijms24032044] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
α-Synucleinopathies comprise a group of neurodegenerative diseases characterized by altered accumulation of a protein called α-synuclein inside neurons and glial cells. This aggregation leads to the formation of intraneuronal inclusions, Lewy bodies, that constitute the hallmark of α-synuclein pathology. The most prevalent α-synucleinopathies are Parkinson's disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA). To date, only symptomatic treatment is available for these disorders, hence new approaches to their therapy are needed. It has been observed that GBA1 mutations are one of the most impactful risk factors for developing α-synucleinopathies such as PD and DLB. Mutations in the GBA1 gene, which encodes a lysosomal hydrolase β-glucocerebrosidase (GCase), cause a reduction in GCase activity and impaired α-synuclein metabolism. The most abundant GBA1 gene mutations are N370S or N409S, L444P/L483P and E326K/E365K. The mechanisms by which GCase impacts α-synuclein aggregation are poorly understood and need to be further investigated. Here, we discuss some of the potential interactions between α-synuclein and GCase and show how GBA1 mutations may impact the course of the most prevalent α-synucleinopathies.
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26
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Zafar S, Noor A, Younas N, Shafiq M, Schmitz M, Wurster I, Brockmann K, Gasser T, Zerr I. SWATH Mass Spectrometry-Based CSF Proteome Profile of GBA-Linked Parkinson's Disease Patients. Int J Mol Sci 2022; 23:ijms232214166. [PMID: 36430645 PMCID: PMC9699576 DOI: 10.3390/ijms232214166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022] Open
Abstract
β-glucocerebrosidase (GBA)-associated mutations are a significant risk factor for Parkinson's disease (PD) that aggravate the disease pathology by upregulating the deposition of α-Synuclein (α-Syn). The resultant clinical profile varies for PD patients without GBA mutations. The current study aimed to identify the proteomic targets involved in the pathogenic pathways leading to the differential clinical presentation of GBA-associated PD. CSF samples (n = 32) were obtained from PD patients with GBA mutations (n = 22), PD patients without GBA mutations (n = 7), and healthy controls that were carriers of GBA mutations (n = 3). All samples were subjected to in-gel tryptic digestion followed by the construction of the spectral library and quantitative SWATH-based analysis. CSF α-Syn levels were reduced in both PDIdiopathic and PDGBA cases. Our SWATH-based mass spectrometric analysis detected 363 proteins involved in immune response, stress response, and cell signaling in various groups. Intergroup analysis showed that 52 proteins were significantly up- or downregulated in various groups. Of these 52 targets, 20 proteins were significantly altered in PDGBA cases only while 2 showed different levels in PDIdiopathic patients. Our results show that the levels of several pathologically relevant proteins, including Contactin-1, Selenium-binding protein 1, Adhesion G Protein-Coupled Receptor, and Apolipoprotein E are significantly different among the sporadic and genetic variants of PD and hint at aggravated synaptic damage, oxidative stress, neuronal loss, and aggregation of α-Syn in PDGBA cases.
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Affiliation(s)
- Saima Zafar
- Clinical Department of Neurology, University Medical Center Göttingen and the German Center for Neurodegenerative Diseases (DZNE), Robert-Koch-Straße 40, 37075 Göttingen, Germany
- Biomedical Engineering and Sciences Department, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Bolan Road, H-12, Islamabad 44000, Pakistan
- Correspondence: ; Tel.: +49-551-39-65398
| | - Aneeqa Noor
- Clinical Department of Neurology, University Medical Center Göttingen and the German Center for Neurodegenerative Diseases (DZNE), Robert-Koch-Straße 40, 37075 Göttingen, Germany
- Biomedical Engineering and Sciences Department, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Bolan Road, H-12, Islamabad 44000, Pakistan
| | - Neelam Younas
- Clinical Department of Neurology, University Medical Center Göttingen and the German Center for Neurodegenerative Diseases (DZNE), Robert-Koch-Straße 40, 37075 Göttingen, Germany
| | - Mohsin Shafiq
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Matthias Schmitz
- Clinical Department of Neurology, University Medical Center Göttingen and the German Center for Neurodegenerative Diseases (DZNE), Robert-Koch-Straße 40, 37075 Göttingen, Germany
| | - Isabel Wurster
- Department of Neurodegenerative Diseases, Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076 Tübingen, Germany
- German Center for Neurodegenerative Disease (DZNE), 72076 Tübingen, Germany
| | - Kathrin Brockmann
- Department of Neurodegenerative Diseases, Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076 Tübingen, Germany
- German Center for Neurodegenerative Disease (DZNE), 72076 Tübingen, Germany
| | - Thomas Gasser
- Department of Neurodegenerative Diseases, Hertie-Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler-Str. 3, 72076 Tübingen, Germany
- German Center for Neurodegenerative Disease (DZNE), 72076 Tübingen, Germany
| | - Inga Zerr
- Clinical Department of Neurology, University Medical Center Göttingen and the German Center for Neurodegenerative Diseases (DZNE), Robert-Koch-Straße 40, 37075 Göttingen, Germany
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27
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Real R, Martinez-Carrasco A, Reynolds RH, Lawton MA, Tan MMX, Shoai M, Corvol JC, Ryten M, Bresner C, Hubbard L, Brice A, Lesage S, Faouzi J, Elbaz A, Artaud F, Williams N, Hu MTM, Ben-Shlomo Y, Grosset DG, Hardy J, Morris HR. Association between the LRP1B and APOE loci in the development of Parkinson's disease dementia. Brain 2022; 146:1873-1887. [PMID: 36348503 PMCID: PMC10151192 DOI: 10.1093/brain/awac414] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 10/04/2022] [Accepted: 10/16/2022] [Indexed: 11/11/2022] Open
Abstract
Parkinson's disease is one of the most common age-related neurodegenerative disorders. Although predominantly a motor disorder, cognitive impairment and dementia are important features of Parkinson's disease, particularly in the later stages of the disease. However, the rate of cognitive decline varies among Parkinson's disease patients, and the genetic basis for this heterogeneity is incompletely understood. To explore the genetic factors associated with rate of progression to Parkinson's disease dementia, we performed a genome-wide survival meta-analysis of 3,923 clinically diagnosed Parkinson's disease cases of European ancestry from four longitudinal cohorts. In total, 6.7% of individuals with Parkinson's disease developed dementia during study follow-up, on average 4.4 ± 2.4 years from disease diagnosis. We have identified the APOE ε4 allele as a major risk factor for the conversion to Parkinson's disease dementia [hazards ratio = 2.41 (1.94-3.00), P = 2.32 × 10-15], as well as a new locus within the ApoE and APP receptor LRP1B gene [hazards ratio = 3.23 (2.17-4.81), P = 7.07 × 10-09]. In a candidate gene analysis, GBA variants were also identified to be associated with higher risk of progression to dementia [hazards ratio = 2.02 (1.21-3.32), P = 0.007]. CSF biomarker analysis also implicated the amyloid pathway in Parkinson's disease dementia, with significantly reduced levels of amyloid β42 (P = 0.0012) in Parkinson's disease dementia compared to Parkinson's disease without dementia. These results identify a new candidate gene associated with faster conversion to dementia in Parkinson's disease and suggest that amyloid-targeting therapy may have a role in preventing Parkinson's disease dementia.
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Affiliation(s)
- Raquel Real
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- UCL Movement Disorders Centre, University College London, London WC1N 3BG, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Alejandro Martinez-Carrasco
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- UCL Movement Disorders Centre, University College London, London WC1N 3BG, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Regina H Reynolds
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
| | - Michael A Lawton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2PS, UK
| | - Manuela M X Tan
- Department of Neurology, Oslo University Hospital, 0424 Oslo, Norway
| | - Maryam Shoai
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- UK Dementia Research Institute, University College London, London WC1E 6BT, UK
| | - Jean-Christophe Corvol
- Sorbonne Université, Institut du Cerveau et de la Moelle épinière - Paris Brain Institute - ICM, INSERM, CNRS, 75013 Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, Hôpital Pitié-Salpêtrière, 75013 Paris, France
| | - Mina Ryten
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London, London WC1N 1EH, UK
| | - Catherine Bresner
- Institute of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff CF24 4HQ, UK
| | - Leon Hubbard
- Institute of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff CF24 4HQ, UK
| | - Alexis Brice
- Sorbonne Université, Institut du Cerveau et de la Moelle épinière - Paris Brain Institute - ICM, INSERM, CNRS, 75013 Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, Hôpital Pitié-Salpêtrière, 75013 Paris, France
| | - Suzanne Lesage
- Sorbonne Université, Institut du Cerveau et de la Moelle épinière - Paris Brain Institute - ICM, INSERM, CNRS, 75013 Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, Hôpital Pitié-Salpêtrière, 75013 Paris, France
| | - Johann Faouzi
- Sorbonne Université, Institut du Cerveau et de la Moelle épinière - Paris Brain Institute - ICM, INSERM, CNRS, 75013 Paris, France
- Centre Inria de Paris, 75012 Paris, France
| | - Alexis Elbaz
- Centre for Research in Epidemiology and Population Health, INSERM U1018, Team "Exposome, heredity, cancer, and health", 94807 Villejuif, France
| | - Fanny Artaud
- Centre for Research in Epidemiology and Population Health, INSERM U1018, Team "Exposome, heredity, cancer, and health", 94807 Villejuif, France
| | - Nigel Williams
- Institute of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff CF24 4HQ, UK
| | - Michele T M Hu
- Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford OX3 9DU, UK
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford OX1 3QU, UK
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2PS, UK
| | - Donald G Grosset
- School of Neuroscience and Psychology, University of Glasgow, Glasgow G51 4TF, UK
| | - John Hardy
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- UK Dementia Research Institute, University College London, London WC1E 6BT, UK
- Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, London WC1N 1PJ, UK
- National Institute for Health Research (NIHR) University College London Hospitals Biomedical Research Centre, London W1T 7DN, UK
- Institute for Advanced Study, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Huw R Morris
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- UCL Movement Disorders Centre, University College London, London WC1N 3BG, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
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28
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Vieira SRL, Schapira AHV. Glucocerebrosidase mutations and Parkinson disease. J Neural Transm (Vienna) 2022; 129:1105-1117. [PMID: 35932311 PMCID: PMC9463283 DOI: 10.1007/s00702-022-02531-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/07/2022] [Indexed: 11/06/2022]
Abstract
The discovery of glucocerebrosidase (GBA1) mutations as the greatest numerical genetic risk factor for the development of Parkinson disease (PD) resulted in a paradigm shift within the research landscape. Efforts to elucidate the mechanisms behind GBA1-associated PD have highlighted shared pathways in idiopathic PD including the loss and gain-of-function hypotheses, endoplasmic reticulum stress, lipid metabolism, neuroinflammation, mitochondrial dysfunction and altered autophagy-lysosomal pathway responsible for degradation of aggregated and misfolded a-synuclein. GBA1-associated PD exhibits subtle differences in phenotype and disease progression compared to idiopathic counterparts notably an earlier age of onset, faster motor decline and greater frequency of non-motor symptoms (which also constitute a significant aspect of the prodromal phase of the disease). GBA1-targeted therapies have been developed and are being investigated in clinical trials. The most notable are Ambroxol, a small molecule chaperone, and Venglustat, a blood-brain-barrier-penetrant substrate reduction therapy agent. It is imperative that further studies clarify the aetiology of GBA1-associated PD, enabling the development of a greater abundance of targeted therapies in this new era of precision medicine.
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Affiliation(s)
- Sophia R L Vieira
- Department of Clinical and Movement Neurosciences, University College London Queen Square Institute of Neurology, Rowland Hill St., London, NW3 2PF, UK
| | - Anthony H V Schapira
- Department of Clinical and Movement Neurosciences, University College London Queen Square Institute of Neurology, Rowland Hill St., London, NW3 2PF, UK.
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29
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Imbriani P, Martella G, Bonsi P, Pisani A. Oxidative stress and synaptic dysfunction in rodent models of Parkinson's disease. Neurobiol Dis 2022; 173:105851. [PMID: 36007757 DOI: 10.1016/j.nbd.2022.105851] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 08/02/2022] [Accepted: 08/20/2022] [Indexed: 11/26/2022] Open
Abstract
Parkinson's disease (PD) is a multifactorial disorder involving a complex interplay between a variety of genetic and environmental factors. In this scenario, mitochondrial impairment and oxidative stress are widely accepted as crucial neuropathogenic mechanisms, as also evidenced by the identification of PD-associated genes that are directly involved in mitochondrial function. The concept of mitochondrial dysfunction is closely linked to that of synaptic dysfunction. Indeed, compelling evidence supports the role of mitochondria in synaptic transmission and plasticity, although many aspects have not yet been fully elucidated. Here, we will provide a brief overview of the most relevant evidence obtained in different neurotoxin-based and genetic rodent models of PD, focusing on mitochondrial impairment and synaptopathy, an early central event preceding overt nigrostriatal neurodegeneration. The identification of early deficits occurring in PD pathogenesis is crucial in view of the development of potential disease-modifying therapeutic strategies.
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Affiliation(s)
- Paola Imbriani
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Giuseppina Martella
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Paola Bonsi
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Antonio Pisani
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy.
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30
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Fanciulli A, Leys F, Lehner F, Sidoroff V, Ruf VC, Raccagni C, Mahlknecht P, Kuipers DJS, van IJcken WFJ, Stockner H, Musacchio T, Volkmann J, Monoranu CM, Stankovic I, Breedveld G, Ferraro F, Fevga C, Windl O, Herms J, Kiechl S, Poewe W, Seppi K, Stefanova N, Scholz SW, Bonifati V, Wenning GK. A multiplex pedigree with pathologically confirmed multiple system atrophy and Parkinson's disease with dementia. Brain Commun 2022; 4:fcac175. [PMID: 35855480 PMCID: PMC9291376 DOI: 10.1093/braincomms/fcac175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/12/2022] [Accepted: 07/01/2022] [Indexed: 02/03/2023] Open
Abstract
Multiple system atrophy is considered a sporadic disease, but neuropathologically confirmed cases with a family history of parkinsonism have been occasionally described. Here we report a North-Bavarian (colloquially, Lion’s tail region) six-generation pedigree, including neuropathologically confirmed multiple system atrophy and Parkinson’s disease with dementia. Between 2012 and 2020, we examined all living and consenting family members of age and calculated the risk of prodromal Parkinson’s disease in those without overt parkinsonism. The index case and one paternal cousin with Parkinson’s disease with dementia died at follow-up and underwent neuropathological examination. Genetic analysis was performed in both and another family member with Parkinson’s disease. The index case was a female patient with cerebellar variant multiple system atrophy and a positive maternal and paternal family history for Parkinson’s disease and dementia in multiple generations. The families of the index case and her spouse were genealogically related, and one of the spouse's siblings met the criteria for possible prodromal Parkinson’s disease. Neuropathological examination confirmed multiple system atrophy in the index case and advanced Lewy body disease, as well as tau pathology in her cousin. A comprehensive analysis of genes known to cause hereditary forms of parkinsonism or multiple system atrophy lookalikes was unremarkable in the index case and the other two affected family members. Here, we report an extensive European pedigree with multiple system atrophy and Parkinson`s disease suggesting a complex underlying α-synucleinopathy as confirmed on neuropathological examination. The exclusion of known genetic causes of parkinsonism or multiple system atrophy lookalikes suggests that variants in additional, still unknown genes, linked to α-synucleinopathy lesions underlie such neurodegenerative clustering.
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Affiliation(s)
| | - Fabian Leys
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Fabienne Lehner
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Victoria Sidoroff
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Viktoria C Ruf
- Center for Neuropathology and Prion Research, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Cecilia Raccagni
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Philipp Mahlknecht
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Demy J S Kuipers
- Department of Clinical Genetics, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | | | - Heike Stockner
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Thomas Musacchio
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Jens Volkmann
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Camelia Maria Monoranu
- Department of Neuropathology, Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - Iva Stankovic
- Neurology Clinic, Clinical Center of Serbia, University of Belgrade, Belgrade, Serbia
| | - Guido Breedveld
- Department of Clinical Genetics, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Federico Ferraro
- Department of Clinical Genetics, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Christina Fevga
- Department of Clinical Genetics, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Otto Windl
- Center for Neuropathology and Prion Research, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Jochen Herms
- Center for Neuropathology and Prion Research, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Stefan Kiechl
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Werner Poewe
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Klaus Seppi
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Nadia Stefanova
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Sonja W Scholz
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
| | - Vincenzo Bonifati
- Department of Clinical Genetics, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Gregor K Wenning
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
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Glucocerebrosidase variant T369M is not a risk factor for Parkinson's disease in Sweden. Neurosci Lett 2022; 784:136767. [PMID: 35779693 DOI: 10.1016/j.neulet.2022.136767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Genetic variants in the Beta-glucocerebrosidase gene (GBA1) is a known risk factor for Parkinson's disease. The GBA1 mutations L444P, N370S and many other have been shown to associate with the disease in populations with diverse background. Some GBA1 polymorphisms have a less pronounced effect, and their pathogenicity has been debated. We have previously found associations with L444P, N370S and E326K and Parkinson's disease in Sweden. METHOD In this study we used pyrosequencing to genotype the T369M variant in a large Swedish cohort consisting of 1,131 patients with idiopathic Parkinson's disease, and 1,594 control subjects to evaluate the possibility of this variant conferring an increased risk for Parkinson's disease. RESULTS The minor allele frequency was 2.15% in patients and 1.76% in controls. Statistical analysis showed that there was no significant difference in allele frequency between patients and control subjects, p-value 0.37, Odds Ratio 1.23 with a 95% confidence interval of 0.82-1.83. CONCLUSION Our results suggest that T369M is not a risk factor for Parkinson's disease in the Swedish population.
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Cognition as a mediator for gait and balance impairments in GBA-related Parkinson's disease. NPJ Parkinsons Dis 2022; 8:78. [PMID: 35725575 PMCID: PMC9209443 DOI: 10.1038/s41531-022-00344-5] [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: 10/12/2021] [Accepted: 05/26/2022] [Indexed: 11/18/2022] Open
Abstract
The extent to which the heterogeneity of gait and balance problems in PD may be explained by genetic variation is unknown. Variants in the glucocerebrosidase (GBA) gene are the strongest known genetic risk factor for PD and are associated with greater motor and cognitive severity. However, the impact of GBA variants on comprehensive measures of gait and balance and their relationship to cognition remains unknown. We aimed to determine differences in gait and balance impairments in those with and without GBA variants (mutation carriers and E326K polymorphism) and explore direct and indirect effects of GBA status on gait, balance, and cognition. 332 participants, 43 of whom had GBA variants, were recruited. Participants completed a comprehensive, objective assessment of gait and standing balance using body-worn inertial sensors. Group differences in gait and balance between PD with and without GBA variants were assessed with linear regression, adjusting for age, gender, clinical testing site, disease duration, and apolipoprotein E (APOE) ɛ4 status. Structural equation modeling (SEM) explored direct relationships between GBA status and gait and balance and indirect relationships between GBA status and gait and balance via cognition. The GBA variant group had more impaired gait (pace and variability) and balance (sway area/jerk and sway velocity), than the non-GBA variant group. SEM demonstrated cognition as a mediator of GBA status on gait and balance. The close relationships among GBA, gait/balance, and cognition suggest potential for novel therapeutics to target the GBA pathway and/or cognition to improve mobility in PD GBA variants.
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Lysosomal functions and dysfunctions: Molecular and cellular mechanisms underlying Gaucher disease and its association with Parkinson disease. Adv Drug Deliv Rev 2022; 187:114402. [DOI: 10.1016/j.addr.2022.114402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 04/28/2022] [Accepted: 06/17/2022] [Indexed: 01/18/2023]
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Liu L, Li J, Quan W, Qin Y, Zhang Q, Pei X, Su H, Xu J, Chen J. Effect of GBA gene variants on clinical characteristics of dementia with Lewy bodies: a review and meta-analyses. Neurol Sci 2022; 43:3541-3550. [DOI: 10.1007/s10072-022-06031-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 03/19/2022] [Indexed: 12/01/2022]
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Ghatti S, Yoon E, Lopez G, Ehrlich D, Horovitz SG. Imaging and genetics in Parkinson's disease: assessment of the GBA1 mutation. J Neurol 2022; 269:5347-5355. [PMID: 35604467 PMCID: PMC10402751 DOI: 10.1007/s00415-022-11181-0] [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: 11/23/2021] [Revised: 04/21/2022] [Accepted: 05/10/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Several genetic variants are associated with an increased risk for developing Parkinson's Disease (PD) and limited genotype/phenotype correlation. Specifically, mutations in GBA1, the gene coding for the lysosomal enzyme glucocerebrosidase, are associated with an earlier age of onset and faster disease progression. Given these phenotypic differences associated with GBA1 variants, we explored whether cortical thickness and other biomarkers of neurodegeneration differed in healthy controls and PD patients with and without GBA1 variants. METHODS To understand how different GBA1 variants influence PD phenotype early in the disease, we retrieved neuroimaging and biospecimen data from the Parkinson's Progression Markers Initiative database. Using FreeSurfer, we compared T1-weighted MRI images from healthy controls (N = 47) to PD patients with heterozygous N370S (N = 21), heterozygous E326K (N = 18) or heterozygous T369M (N = 8) variants, and GBA1 non-mutation carriers (N = 47). RESULTS Cortical thickness in PD patients differed from controls in the parietal cortex, with E365K, T369M variants, and GBA1 non-mutation carriers showing more cortical thinning than N370S variants. Patients with N370S variants had significantly higher serum neurofilament light levels among all groups. CONCLUSION Our results demonstrate significant cortical thinning in PD patients independent of genotype in superior parietal and postcentral regions when compared to the controls. They highlight the impact of GBA1 variants on cortical thickness in the parietal cortex. Finally, they suggest that recently diagnosed PD patients with N370S variants have a higher cortical thickness and increased active neurodegeneration when compared to PD patients without GBA1 mutations and PD patients with E326K or T369M variants.
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Affiliation(s)
- Sweta Ghatti
- National Institutes of Neurological Disease and Stroke, Bethesda, MD, USA.
| | - Esther Yoon
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Grisel Lopez
- National Human Genome Research Institutes, Bethesda, MD, USA
| | - Debra Ehrlich
- National Institutes of Neurological Disease and Stroke, Bethesda, MD, USA
| | - Silvina G Horovitz
- National Institutes of Neurological Disease and Stroke, Bethesda, MD, USA
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Zheng W, Fan D. Glucocerebrosidase Mutations Cause Mitochondrial and Lysosomal Dysfunction in Parkinson’s Disease: Pathogenesis and Therapeutic Implications. Front Aging Neurosci 2022; 14:851135. [PMID: 35401150 PMCID: PMC8984109 DOI: 10.3389/fnagi.2022.851135] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 02/14/2022] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disease and is characterized by multiple motor and non-motor symptoms. Mutations in the glucocerebrosidase (GBA) gene, which encodes the lysosomal enzyme glucocerebrosidase (GCase), which hydrolyzes glucosylceramide (GlcCer) to glucose and ceramide, are the most important and common genetic PD risk factors discovered to date. Homozygous GBA mutations result in the most common lysosomal storage disorder, Gaucher’s disease (GD), which is classified according to the presence (neuronopathic types, type 2 and 3 GD) or absence (non-neuronopathic type, type 1 GD) of neurological symptoms. The clinical manifestations of PD in patients with GBA mutations are indistinguishable from those of sporadic PD at the individual level. However, accumulating data have indicated that GBA-associated PD patients exhibit a younger age of onset and a greater risk for cognitive impairment and psychiatric symptoms. The mechanisms underlying the increased risk of developing PD in GBA mutant carriers are currently unclear. Contributors to GBA-PD pathogenesis may include mitochondrial dysfunction, autophagy-lysosomal dysfunction, altered lipid homeostasis and enhanced α-synuclein aggregation. Therapeutic strategies for PD and GD targeting mutant GCase mainly include enzyme replacement, substrate reduction, gene and pharmacological small-molecule chaperones. Emerging clinical, genetic and pathogenic studies on GBA mutations and PD are making significant contributions to our understanding of PD-associated pathogenetic pathways, and further elucidating the interactions between GCase activity and neurodegeneration may improve therapeutic approaches for slowing PD progression.
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Affiliation(s)
- Wei Zheng
- Department of Neurology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Biomarker and Translational Research in Neurodegenerative Diseases, Beijing, China
- Key Laboratory for Neuroscience, National Health Commission/Ministry of Education, Peking University, Beijing, China
| | - Dongsheng Fan
- Department of Neurology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Biomarker and Translational Research in Neurodegenerative Diseases, Beijing, China
- Key Laboratory for Neuroscience, National Health Commission/Ministry of Education, Peking University, Beijing, China
- *Correspondence: Dongsheng Fan,
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Predictive Modeling of Alzheimer's and Parkinson's Disease Using Metabolomic and Lipidomic Profiles from Cerebrospinal Fluid. Metabolites 2022; 12:metabo12040277. [PMID: 35448464 PMCID: PMC9029812 DOI: 10.3390/metabo12040277] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/08/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
In recent years, metabolomics has been used as a powerful tool to better understand the physiology of neurodegenerative diseases and identify potential biomarkers for progression. We used targeted and untargeted aqueous, and lipidomic profiles of the metabolome from human cerebrospinal fluid to build multivariate predictive models distinguishing patients with Alzheimer's disease (AD), Parkinson's disease (PD), and healthy age-matched controls. We emphasize several statistical challenges associated with metabolomic studies where the number of measured metabolites far exceeds sample size. We found strong separation in the metabolome between PD and controls, as well as between PD and AD, with weaker separation between AD and controls. Consistent with existing literature, we found alanine, kynurenine, tryptophan, and serine to be associated with PD classification against controls, while alanine, creatine, and long chain ceramides were associated with AD classification against controls. We conducted a univariate pathway analysis of untargeted and targeted metabolite profiles and find that vitamin E and urea cycle metabolism pathways are associated with PD, while the aspartate/asparagine and c21-steroid hormone biosynthesis pathways are associated with AD. We also found that the amount of metabolite missingness varied by phenotype, highlighting the importance of examining missing data in future metabolomic studies.
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Neuropathological substrates of cognition in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:177-193. [PMID: 35248194 DOI: 10.1016/bs.pbr.2022.01.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Autopsy validation is still required for a definitive diagnosis of Parkinson's disease (Postuma et al., 2015), where the presence of Lewy bodies and Lewy neurites, composed primarily of alpha-synuclein, are observed in stereotyped patterns throughout regions of the brainstem, limbic, and neocortical regions of the brain (Braak et al., 2003). In spite of these relatively reliable observed patterns of alpha-synuclein pathology, there is a large degree of heterogeneity in the timing and features of neuropsychiatric and cognitive dysfunction in Parkinson's disease (Fereshtehnejad et al., 2015; Selikhova et al., 2009; Williams-Gray et al., 2013). Detailed studies of their neuropathological substrates of cognitive dysfunction and their associations with a variety of in vivo biomarkers have begun to disentangle this complex relationship, but ongoing multicentered, longitudinal studies of well-characterized and autopsy validated cases are still required.
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Fine-mapping of intracranial aneurysm susceptibility based on a genome-wide association study. Sci Rep 2022; 12:2717. [PMID: 35177760 PMCID: PMC8854430 DOI: 10.1038/s41598-022-06755-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 02/04/2022] [Indexed: 12/22/2022] Open
Abstract
In addition to conventional genome-wide association studies (GWAS), a fine-mapping analysis is increasingly used to identify the genetic function of variants associated with disease susceptibilities. Here, we used a fine-mapping approach to evaluate candidate variants based on a previous GWAS involving patients with intracranial aneurysm (IA). A fine-mapping analysis was conducted based on the chromosomal data provided by a GWAS of 250 patients diagnosed with IA and 296 controls using posterior inclusion probability (PIP) and log10 transformed Bayes factor (log10BF). The narrow sense of heritability (h2) explained by each candidate variant was estimated. Subsequent gene expression and functional network analyses of candidate genes were used to calculate transcripts per million (TPM) values. Twenty single-nucleotide polymorphisms (SNPs) surpassed a genome-wide significance threshold for creditable evidence (log10BF > 6.1). Among them, four SNPs, rs75822236 (GBA; log10BF = 15.06), rs112859779 (TCF24; log10BF = 12.12), rs79134766 (OLFML2A; log10BF = 14.92), and rs371331393 (ARHGAP32; log10BF = 20.88) showed a completed PIP value in each chromosomal region, suggesting a higher probability of functional candidate variants associated with IA. On the contrary, these associations were not shown clearly under different replication sets. Our fine-mapping analysis suggested that four functional candidate variants of GBA, TCF24, OLFML2A, and ARHGAP32 were linked to IA susceptibility and pathogenesis. However, this approach could not completely replace replication sets based on large-scale data. Thus, caution is required when interpreting results of fine-mapping analysis.
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Napolioni V, Fredericks CA, Kim Y, Channappa D, Khan RR, Kim LH, Zafar F, Couthouis J, Davidzon GA, Mormino EC, Gitler AD, Montine TJ, Schüle B, Greicius MD. Phenotypic Heterogeneity among GBA p.R202X Carriers in Lewy Body Spectrum Disorders. Biomedicines 2022; 10:biomedicines10010160. [PMID: 35052839 PMCID: PMC8774039 DOI: 10.3390/biomedicines10010160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/03/2022] [Accepted: 01/11/2022] [Indexed: 02/02/2023] Open
Abstract
We describe the clinical and neuropathologic features of patients with Lewy body spectrum disorder (LBSD) carrying a nonsense variant, c.604C>T; p.R202X, in the glucocerebrosidase 1 (GBA) gene. While this GBA variant is causative for Gaucher's disease, the pathogenic role of this mutation in LBSD is unclear. Detailed neuropathologic evaluation was performed for one index case and a structured literature review of other GBA p.R202X carriers was conducted. Through the systematic literature search, we identified three additional reported subjects carrying the same GBA mutation, including one Parkinson's disease (PD) patient with early disease onset, one case with neuropathologically-verified LBSD, and one unaffected relative of a Gaucher's disease patient. Among the affected subjects carrying the GBA p.R202X, all males were diagnosed with Lewy body dementia, while the two females presented as PD. The clinical penetrance of GBA p.R202X in LBSD patients and families argues strongly for a pathogenic role for this variant, although presenting with a striking phenotypic heterogeneity of clinical and pathological features.
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Affiliation(s)
- Valerio Napolioni
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
- Correspondence: ; Tel.: +1-(669)-287-2586
| | - Carolyn A. Fredericks
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
| | - Yongha Kim
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
| | - Divya Channappa
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; (D.C.); (F.Z.); (T.J.M.); (B.S.)
| | - Raiyan R. Khan
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
| | - Lily H. Kim
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
| | - Faria Zafar
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; (D.C.); (F.Z.); (T.J.M.); (B.S.)
| | - Julien Couthouis
- Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA; (J.C.); (A.D.G.)
| | - Guido A. Davidzon
- Department of Radiology, Stanford University School of Medicine, Stanford, CA 94305, USA;
| | - Elizabeth C. Mormino
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
| | - Aaron D. Gitler
- Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA; (J.C.); (A.D.G.)
| | - Thomas J. Montine
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; (D.C.); (F.Z.); (T.J.M.); (B.S.)
| | - Birgitt Schüle
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; (D.C.); (F.Z.); (T.J.M.); (B.S.)
| | - Michael D. Greicius
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; (C.A.F.); (Y.K.); (R.R.K.); (L.H.K.); (E.C.M.); (M.D.G.)
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Cognitive Impairment in Genetic Parkinson's Disease. PARKINSON'S DISEASE 2022; 2021:8610285. [PMID: 35003622 PMCID: PMC8739522 DOI: 10.1155/2021/8610285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 12/08/2021] [Indexed: 11/24/2022]
Abstract
Cognitive impairment is common in idiopathic Parkinson's disease (PD). Knowledge of the contribution of genetics to cognition in PD is increasing in the last decades. Monogenic forms of genetic PD show distinct cognitive profiles and rate of cognitive decline progression. Cognitive impairment is higher in GBA- and SNCA-associated PD, lower in Parkin- and PINK1-PD, and possibly milder in LRRK2-PD. In this review, we summarize data regarding cognitive function on clinical studies, neuroimaging, and biological markers of cognitive decline in autosomal dominant PD linked to mutations in LRRK2 and SNCA, autosomal recessive PD linked to Parkin and PINK1, and also PD linked to GBA mutations.
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Maraki MI, Hatzimanolis A, Mourtzi N, Stefanis L, Yannakoulia M, Kosmidis MH, Dardiotis E, Hadjigeorgiou GM, Sakka P, Ramirez A, Grenier-Boley B, Lambert JC, Heilmann-Heimbach S, Stamelou M, Scarmeas N, Xiromerisiou G. Association of the Polygenic Risk Score With the Probability of Prodromal Parkinson's Disease in Older Adults. Front Mol Neurosci 2022; 14:739571. [PMID: 34992521 PMCID: PMC8724535 DOI: 10.3389/fnmol.2021.739571] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 11/29/2021] [Indexed: 12/19/2022] Open
Abstract
Several studies have investigated the association of the Parkinson’s disease (PD) polygenic risk score (PRS) with several aspects of well-established PD. We sought to evaluate the association of PRS with the prodromal stage of PD. We calculated PRS in a longitudinal sample (n = 1120) of community dwelling individuals ≥ 65 years from the HELIAD (The Hellenic Longitudinal Investigation of Aging and Diet) study in order to evaluate the association of this score with the probability of prodromal PD or any of the established risk and prodromal markers in MDS research criteria, using regression multi-adjusted models. Increases in PRS estimated from GWAS summary statistics’ ninety top SNPS with p < 5 × 10–8 was associated with increased odds of having probable/possible prodromal PD (i.e., ≥ 30% probability, OR = 1.033, 95%CI: 1.009–1.057 p = 0.006). From the prodromal PD risk markers, significant association was found between PRS and global cognitive deficit exclusively (p = 0.003). To our knowledge, our study is the first population based study investigating the association between PRS scores and prodromal markers of Parkinson’s disease. Our results suggest a strong relationship between the accumulation of many common genetic variants, as measured by PRS, and cognitive deficits.
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Affiliation(s)
- Maria I Maraki
- Section of Sport Medicine and Biology of Exercise, School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Athens, Greece.,Department of Nutrition and Dietetics, School of Health Sciences, Hellenic Mediterranean University, Crete, Greece
| | - Alexandros Hatzimanolis
- Department of Psychiatry, National and Kapodistrian University of Athens Medical School, Eginition Hospital, Athens, Greece.,Neurobiology Research Institute, Theodor-Theohari Cozzika Foundation, Athens, Greece
| | - Niki Mourtzi
- First Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Leonidas Stefanis
- First Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.,Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Mary Yannakoulia
- Department of Nutrition and Dietetics, School of Health Sciences, Hellenic Mediterranean University, Crete, Greece
| | - Mary H Kosmidis
- Laboratory of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Georgios M Hadjigeorgiou
- School of Medicine, University of Thessaly, Larissa, Greece.,Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus
| | - Paraskevi Sakka
- Athens Association of Alzheimer's Disease and Related Disorders, Marousi, Greece
| | - Alfredo Ramirez
- Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE Bonn), Bonn, Germany.,Department of Psychiatry and Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases, San Antonio, TX, United States.,Department of Psychiatry and Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases, San Antonio, TX, United States
| | - Benjamin Grenier-Boley
- INSERM, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE Facteurs de Risque et Determinants Moléculaires des Maladies Liées au Vieillissement, University of Lille, Lille, France
| | - Jean-Charles Lambert
- INSERM, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE Facteurs de Risque et Determinants Moléculaires des Maladies Liées au Vieillissement, University of Lille, Lille, France
| | - Stefanie Heilmann-Heimbach
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Maria Stamelou
- First Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.,Parkinson's Disease and Movement Disorders Department, HYGEIA Hospital, Athens, Greece
| | - Nikolaos Scarmeas
- First Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.,Taub Institute for Research in Alzheimer's Disease and the Aging Brain, The Gertrude H. Sergievsky Center, Department of Neurology, Columbia University, New York, NY, United States
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Tsitsi P, Markaki I, Waldthaler J, Machaczka M, Svenningsson P. Neurocognitive profile of adults with the Norrbottnian type of Gaucher disease. JIMD Rep 2022; 63:93-100. [PMID: 35028274 PMCID: PMC8743341 DOI: 10.1002/jmd2.12262] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Gaucher disease (GD) is a monogenic, lysosomal storage disorder, classified according to the presence of acute (type 2), chronic (type 3), or no (type 1) neurological manifestations. The Norrbottnian subtype of neuronopathic GD type 3 (GD3) is relatively frequent in the northern part of Sweden. It exhibits a wide range of neurological symptoms but is characterized by extended life expectancy compared to GD3 in other countries. The aim of our study was to describe the cognitive profile of adult patients with Norrbottnian GD3. MATERIALS AND METHODS Ten patients with GD3 (five males and five females) underwent neurocognitive testing with the Repeatable Battery for Assessment of Neuropsychological Status (RBANS). RBANS consists of different short tests that assess Immediate Memory, Visuospatial and Constructional function, Language, Attention, and Delayed Memory. General neurological symptoms of the patients were assessed with the modified severity scoring tool. RESULTS Patients (median age 41.5 range 24-57) performed lower than average in all cognitive domains. The overall index score was low (median 58.5, Interquartile range [IQR] 25.5), with the most profound deficit in attention (median 57, IQR 32.5) and immediate memory (median 76.5, IQR 13). Higher scores were found in language (median 83, IQR 21.5), delayed memory (median 81, IQR 41), and visuospatial/constructional function (median 86, IQR 32.35). CONCLUSION Norrbottnian GD3 patients showed a unique neurocognitive profile with low overall performance, mostly derived from low scores in attention and memory domains whereas language and visuospatial/constructional ability were relatively spared.
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Affiliation(s)
- Panagiota Tsitsi
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
- Center for NeurologyAcademic Specialist CenterStockholmSweden
| | - Ioanna Markaki
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
- Center for NeurologyAcademic Specialist CenterStockholmSweden
| | | | - Maciej Machaczka
- Department of Human PathophysiologyInstitute of Medical Sciences, University of RzeszówRzeszówPoland
- Department of Clinical Science and Education, Division of Internal Medicine, SödersjukhusetKarolinska InstitutetStockholmSweden
- Department of MedicineSunderby HospitalLuleåSweden
| | - Per Svenningsson
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
- Center for NeurologyAcademic Specialist CenterStockholmSweden
- Department of NeurologyKarolinska University HospitalStockholmSweden
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Ren J, Li L, Zhang R, Pan C, Xu J, Sun H, Hua P, Zhang L, Zhang W, Xu P, Ma C, Liu W. Prevalence and Genotype-Phenotype Correlations of GBA-Related Parkinson's Disease in a Large Chinese Cohort. Eur J Neurol 2021; 29:1017-1024. [PMID: 34951095 PMCID: PMC9303336 DOI: 10.1111/ene.15230] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 11/28/2022]
Abstract
Background and purpose Variants in the glucocerebrosidase (GBA) gene are recognized as a common and important genetic risk factor for Parkinson disease (PD). However, the impact of variant severity on the clinical phenotype of PD in the Chinese population remains unclear. Thus, the present study aimed to determine the frequency of GBA‐related PD (GBA‐PD) and the relationship of GBA variant severity with clinical characteristics in a large Chinese cohort. Methods Long‐range polymerase chain reaction and next generation sequencing were performed for the entire GBA gene. GBA variant severity was classified into five classes: mild, severe, risk, complex, and unknown. Results Among the total 737 PD patients, 47 GBA variants were detected in 79 (10.72%) patients, and the most common GBA variants were R163Q, L444P, and R120W. Complete demographic and clinical data were obtained for 673 patients, which revealed that 18.50% of early onset PD patients had GBA variants. Compared with patients without GBA variants, GBA‐PD patients experienced PD onset an average of 4 years earlier and had more severe motor and nonmotor symptoms. Patients carrying severe and complex variants had a higher burden of nonmotor symptoms, especially depression, and more mood/cognitive and gastrointestinal symptoms than patients carrying mild variants. Conclusions GBA‐PD is highly prevalent in the Chinese population. The severity of GBA variants underlies distinct phenotypic spectrums, with PD patients carrying severe and complex variants seeming to have similar phenotypes. PD patient stratification by GBA variant severity should become a prerequisite for selecting specific treatments.
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Affiliation(s)
- Jingru Ren
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Lanting Li
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Ronggui Zhang
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Chenxi Pan
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Jianxia Xu
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Haochen Sun
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Ping Hua
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Li Zhang
- Department of Geriatrics, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Wenbin Zhang
- Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Pingyi Xu
- Department of Neurology, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Changyan Ma
- Department of Medical Genetics, Nanjing Medical University, Nanjing, China
| | - Weiguo Liu
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
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Chung J, Ushakova A, Doitsidou M, Tzoulis C, Tysnes OB, Dalen I, Pedersen KF, Alves G, Maple-Grødem J. The impact of common genetic variants in cognitive decline in the first seven years of Parkinson's disease: A longitudinal observational study. Neurosci Lett 2021; 764:136243. [PMID: 34509566 DOI: 10.1016/j.neulet.2021.136243] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 09/01/2021] [Accepted: 09/07/2021] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Cognitive impairment is a common feature of Parkinson's disease and is a significant determinant of patients' quality of life and dependence. The pattern and progression of cognitive symptoms vary greatly between individuals, and genetic biomarkers may help to predict the severity and trajectory of cognitive impairment in groups of patients. METHODS The study included 171 patients from a longitudinal population-based incident Parkinson's disease study from South Western Norway. All participants were followed from the time of diagnosis for up to seven years, undertaking repeated batteries of clinical and neuropsychological tests, measuring global cognitive impairment, executive function, attention, verbal learning and memory, and visuospatial skills. We used linear mixed regression analyses to explore associations between the function in specific cognitive domains over time and common genetic variants in APOE, MAPT, COMT and BDNF. RESULTS The COMT158Val/Val allele wasassociatedwith faster decline in executive function (p = 0.028), verbal learning and memory (p = 0.029), and visuospatial skills (p = 0.027). The BDNF, MAPT and APOE genotypes were not significantly associated with longitudinal changes in individual cognitive domains, however carriers of the APOE-ε4 allele were shown to be at increased risk of mild cognitive impairment and dementia within the study period (OR3.03; p = 0.006). CONCLUSIONS This population-based study of newly diagnosed patients provides new evidence that COMTVal158Met effects cognitive outcomes limited to discrete domains and APOE-ε4 status predicts a poor overall cognitive prognosis. Together, these data contribute to our understanding of the biology underlying the heterogeneity observed in the progression of PD.
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Affiliation(s)
- Janete Chung
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway
| | - Anastasia Ushakova
- Department of Research, Section of Biostatistics, Stavanger University Hospital, Stavanger, Norway
| | - Maria Doitsidou
- Centre for Discovery Brain Sciences, The University of Edinburgh, Edinburgh, UK
| | | | - Ole-Bjørn Tysnes
- Department of Neurology, Haukeland University Hospital, Bergen, Norway; Department of Clinical Medicine, University of Bergen, Norway
| | - Ingvild Dalen
- Department of Research, Section of Biostatistics, Stavanger University Hospital, Stavanger, Norway
| | - Kenn Freddy Pedersen
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway; Department of Neurology, Stavanger University Hospital, Stavanger, Norway
| | - Guido Alves
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway; Department of Neurology, Stavanger University Hospital, Stavanger, Norway; Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway
| | - Jodi Maple-Grødem
- The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway; Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway.
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Lingo VanGilder J, Lopez-Lennon C, Paul SS, Dibble LE, Duff K, Schaefer SY. Relating Global Cognition With Upper-Extremity Motor Skill Retention in Individuals With Mild-to-Moderate Parkinson's Disease. FRONTIERS IN REHABILITATION SCIENCES 2021; 2:754118. [PMID: 36188810 PMCID: PMC9397847 DOI: 10.3389/fresc.2021.754118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 09/27/2021] [Indexed: 11/18/2022]
Abstract
Background and Purpose: Cognition has been linked to rehabilitation outcomes in stroke populations, but this remains unexplored in individuals with Parkinson's disease (PD). The purpose of this secondary data analysis from a recent clinical trial (NCT02600858) was to determine if global cognition was related to skill performance after motor training in individuals with PD. Methods: Twenty-three participants with idiopathic PD completed 3 days of training on an upper-extremity task. For the purposes of the original clinical trial, participants trained either "on" or "off" their dopamine replacement medication. Baseline, training, and 48-h retention data have been previously published. Global cognition was evaluated using the Montreal Cognitive Assessment (MoCA). Linear regression examined whether MoCA score predicted longer-term retention at nine-day follow-up; baseline motor task performance, age, PD severity, depressive symptoms, and group (medication "on"/"off") were included as covariates. Baseline and follow-up motor task performance were assessed for all participants while "on" their medication. Results: MoCA score was positively related to follow-up motor task performance, such that individuals with better cognition were faster than those with poorer cognition. Baseline task performance, age, PD severity, depressive symptoms, and medication status were unrelated to follow-up performance. Discussion and Conclusions: Results of this secondary analysis align with previous work that suggest cognitive impairment may interfere with motor learning in PD and support the premise that cognitive training prior to or concurrent with motor training may enhance rehabilitative outcomes for individuals with PD. Findings also suggest that assessing cognition in individuals with PD could provide prognostic information about their responsiveness to motor rehabilitation.
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Affiliation(s)
- Jennapher Lingo VanGilder
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, United States
| | - Cielita Lopez-Lennon
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, United States
| | - Serene S. Paul
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, United States
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Leland E. Dibble
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, United States
| | - Kevin Duff
- Center for Alzheimer's Care, Imaging and Research, University of Utah Health Sciences Center, Salt Lake City, UT, United States
- Department of Neurology, University of Utah Hospital, Salt Lake City, UT, United States
| | - Sydney Y. Schaefer
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, United States
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, United States
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Pleiotropic Effects of Functional MUC1 Variants on Cardiometabolic, Renal, and Hematological Traits in the Taiwanese Population. Int J Mol Sci 2021; 22:ijms221910641. [PMID: 34638981 PMCID: PMC8509060 DOI: 10.3390/ijms221910641] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 09/09/2021] [Accepted: 09/27/2021] [Indexed: 12/27/2022] Open
Abstract
MUC1 is a transmembrane mucin involved in carcinogenesis and cell signaling. Functional MUC1 variants are associated with multiple metabolic and biochemical traits. This study investigated the association of functional MUC1 variants with MUC1 DNA methylation and various metabolic, biochemical, and hematological parameters. In total, 80,728 participants from the Taiwan Biobank were enrolled for association analysis using functional MUC1 variants and a nearby gene regional plot association study. A subgroup of 1686 participants was recruited for MUC1 DNA methylation analysis. After Bonferroni correction, we found that two MUC1 variants, rs4072037 and rs12411216, were significantly associated with waist circumference, systolic blood pressure, hemoglobin A1C, renal functional parameters (blood urea nitrogen, serum creatinine levels, and estimated glomerular filtration rate), albuminuria, hematocrit, hemoglobin, red blood cell count, serum uric acid level, and gout risk, with both favorable and unfavorable effects. Causal inference analysis revealed that the association between the variants and gout was partially dependent on the serum uric acid level. Both gene variants showed genome-wide significant associations with MUC1 gene-body methylation. Regional plot association analysis further revealed lead single-nucleotide polymorphisms situated at the nearby TRIM46-MUC1-THBS3-MTX1 gene region for the studied phenotypes. In conclusion, our data demonstrated the pleiotropic effects of MUC1 variants with novel associations for gout, red blood cell parameters, and MUC1 DNA methylation. These results provide further evidence in understanding the critical role of TRIM46-MUC1-THBS3-MTX1 gene region variants in the pathogenesis of cardiometabolic, renal, and hematological disorders.
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Hwangbo N, Zhang X, Raftery D, Gu H, Hu SC, Montine TJ, Quinn JF, Chung KA, Hiller AL, Wang D, Fei Q, Bettcher L, Zabetian CP, Peskind E, Li G, Promislow DEL, Franks A. A Metabolomic Aging Clock Using Human Cerebrospinal Fluid. J Gerontol A Biol Sci Med Sci 2021; 77:744-754. [PMID: 34382643 PMCID: PMC8974344 DOI: 10.1093/gerona/glab212] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Indexed: 01/13/2023] Open
Abstract
Quantifying the physiology of aging is essential for improving our understanding of age-related disease and the heterogeneity of healthy aging. Recent studies have shown that, in regression models using "-omic" platforms to predict chronological age, residual variation in predicted age is correlated with health outcomes, and suggest that these "omic clocks" provide measures of biological age. This paper presents predictive models for age using metabolomic profiles of cerebrospinal fluid (CSF) from healthy human subjects and finds that metabolite and lipid data are generally able to predict chronological age within 10 years. We use these models to predict the age of a cohort of subjects with Alzheimer's and Parkinson's disease and find an increase in prediction error, potentially indicating that the relationship between the metabolome and chronological age differs with these diseases. However, evidence is not found to support the hypothesis that our models will consistently overpredict the age of these subjects. In our analysis of control subjects, we find the carnitine shuttle, sucrose, biopterin, vitamin E metabolism, tryptophan, and tyrosine to be the most associated with age. We showcase the potential usefulness of age prediction models in a small data set (n = 85) and discuss techniques for drift correction, missing data imputation, and regularized regression, which can be used to help mitigate the statistical challenges that commonly arise in this setting. To our knowledge, this work presents the first multivariate predictive metabolomic and lipidomic models for age using mass spectrometry analysis of CSF.
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Affiliation(s)
- Nathan Hwangbo
- Department of Statistics and Applied Probability, University of California, Santa Barbara, USA
| | - Xinyu Zhang
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Daniel Raftery
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Haiwei Gu
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Shu-Ching Hu
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA,Department of Neurology, University of Washington School of Medicine, Seattle, USA
| | - Thomas J Montine
- Department of Pathology, Stanford University School of Medicine, Palo Alto, California, USA
| | - Joseph F Quinn
- Portland Veterans Affairs Medical Center, Oregon, USA,Department of Neurology, Oregon Health and Science University, Portland, USA
| | - Kathryn A Chung
- Portland Veterans Affairs Medical Center, Oregon, USA,Department of Neurology, Oregon Health and Science University, Portland, USA
| | - Amie L Hiller
- Portland Veterans Affairs Medical Center, Oregon, USA,Department of Neurology, Oregon Health and Science University, Portland, USA
| | - Dongfang Wang
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Qiang Fei
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Lisa Bettcher
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, USA
| | - Cyrus P Zabetian
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA,Department of Neurology, University of Washington School of Medicine, Seattle, USA
| | - Elaine Peskind
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA,Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, USA
| | - Gail Li
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA,Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, USA
| | - Daniel E L Promislow
- Department of Biology, University of Washington, Seattle, USA,Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, USA
| | - Alexander Franks
- Department of Statistics and Applied Probability, University of California, Santa Barbara, USA,Address correspondence to: Alexander Franks, PhD, Department of Statistics and Applied Probability, University of California, Santa Barbara, UCSB Statistics Department, 5607A South Hall, Santa Barbara, CA 93106, USA. E-mail:
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Cholerton BA, Poston KL, Yang L, Rosenthal LS, Dawson TM, Pantelyat A, Edwards KL, Tian L, Quinn JF, Chung KA, Hiller AL, Hu SC, Montine TJ, Zabetian CP. Semantic fluency and processing speed are reduced in non-cognitively impaired participants with Parkinson's disease. J Clin Exp Neuropsychol 2021; 43:469-480. [PMID: 34355669 DOI: 10.1080/13803395.2021.1927995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Parkinson's disease (PD) is associated with a range of cognitive deficits. Few studies have carefully examined the subtle impacts of PD on cognition among patients who do not meet formal criteria for MCI or dementia. The aim of the current study was thus to describe the impact of PD on cognition in those without cognitive impairment in a well-characterized cohort.Methods: Non-cognitively impaired participants (122 with PD, 122 age- and sex-matched healthy volunteers) underwent extensive cognitive testing. Linear regression analyses compared diagnostic group performance across cognitive measures. For cognitive tasks that were significantly different between groups, additional analyses examined group differences restricting the group inclusion to PD participants with mild motor symptoms or disease duration less than 10 years.Results: Processing speed and semantic verbal fluency were significantly lower in the PD group (B = -3.77, 95% CIs [-5.76 to -1.77], p < .001, and B = -2.02, 95% CIs [-3.12, -0.92], p < .001, respectively), even after excluding those with moderate to severe motor symptoms (B = -2.73, 95% CIs [-4.94 to -0.53], p = .015 and B = -2.11, 95% CIs [-3.32 to -0.91], p < .001, respectively) or longer disease duration (B = -3.89, 95% CIs [-6.14 to -1.63], p < .001 and B = -1.58, 95% CIs [-2.78 to -0.37], p = .010, respectively). Semantic verbal fluency remained significantly negatively associated with PD diagnosis after controlling for processing speed (B = -1.66, 95% CIs [-2.79 to -0.53], p = .004).Conclusions: Subtle decline in specific cognitive domains may be present among people diagnosed with PD but without evidence to support a formal cognitive diagnosis. These results suggest the importance of early awareness of the potential for diminishing aspects of cognition in PD even among those without mild cognitive impairment or dementia.
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Affiliation(s)
- Brenna A Cholerton
- Department of Pathology, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Kathleen L Poston
- Department of Neurology and Neurological Sciences, Stanford School of Medicine, Palo Alto, CA, USA
| | - Laurice Yang
- Department of Neurology and Neurological Sciences, Stanford School of Medicine, Palo Alto, CA, USA
| | - Liana S Rosenthal
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ted M Dawson
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Neurodegeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Alexander Pantelyat
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Karen L Edwards
- Department of Epidemiology, School of Medicine, University of California, Irvine, CA, USA
| | - Lu Tian
- Department of Biomedical Data Science, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Joseph F Quinn
- Parkinson's Disease Research, Education, and Clinical Center, Portland Veterans Affairs Health Care System, Portland, OR, USA.,Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Kathryn A Chung
- Parkinson's Disease Research, Education, and Clinical Center, Portland Veterans Affairs Health Care System, Portland, OR, USA.,Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Amie L Hiller
- Parkinson's Disease Research, Education, and Clinical Center, Portland Veterans Affairs Health Care System, Portland, OR, USA.,Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Shu-Ching Hu
- Geriatric Research Education, and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA.,Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
| | - Thomas J Montine
- Department of Pathology, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Cyrus P Zabetian
- Geriatric Research Education, and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA.,Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
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Longitudinal clinical, cognitive, and neuroanatomical changes over 5 years in GBA-positive Parkinson's disease patients. J Neurol 2021; 269:1485-1500. [PMID: 34297177 DOI: 10.1007/s00415-021-10713-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/23/2021] [Accepted: 07/11/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To study the longitudinal disease course of Parkinson's disease (PD) patients with glucocerebrosidase (GBA) mutation (GBA-positive) compared to PD non-carriers (GBA-negative) along a 5-year follow-up, evaluating changes in clinical and cognitive outcomes, cortical thickness, and gray-matter (GM) volumes. METHODS Ten GBA-positive and 20 GBA-negative PD patients underwent clinical, neuropsychological, and MRI assessments (cortical thickness and subcortical, hippocampal, and amygdala volumes) at study entry and once a year for 5 years. At baseline and at the last visit, each group of patients was compared with 22 age-matched healthy controls. Clinical, cognitive, and MRI features were compared between groups at baseline and over time. RESULTS At baseline, GBA-positive and GBA-negative PD patients had similar clinical and cognitive profiles. Compared to GBA-negative and controls, GBA-positive patients showed cortical thinning of left temporal, parietal, and occipital gyri. Over time, compared to GBA-negative, GBA-positive PD patients progressed significantly in motor and cognitive symptoms, and showed a greater pattern of cortical thinning of posterior regions, and frontal and orbito-frontal cortices. After 5 years, compared to controls, GBA-negative PD patients showed a pattern of cortical thinning similar to that showed by GBA-positive cases at baseline. The two groups of patients showed similar patterns of subcortical, hippocampal, and amygdala volume loss over time. CONCLUSIONS Compared to GBA-negative PD, GBA-positive patients experienced a more rapid motor and cognitive decline together with a greater, earlier and faster cortical thinning. Cortical thickness measures may be a useful tool for monitoring and predicting PD progression in accordance with the genetic background.
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