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Liampas I, Kyriakoulopoulou P, Siokas V, Tsiamaki E, Stamati P, Kefalopoulou Z, Chroni E, Dardiotis E. Apolipoprotein E Gene in α-Synucleinopathies: A Narrative Review. Int J Mol Sci 2024; 25:1795. [PMID: 38339074 PMCID: PMC10855384 DOI: 10.3390/ijms25031795] [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: 12/21/2023] [Revised: 01/27/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024] Open
Abstract
In this narrative review, we delved into the intricate interplay between Apolipoprotein E (APOE) alleles (typically associated with Alzheimer's disease-AD) and alpha-synucleinopathies (aS-pathies), involving Parkinson's disease (PD), Parkinson's disease dementia (PDD), dementia with Lewy bodies (DLB), and multiple-system atrophy (MSA). First, in-vitro, animal, and human-based data on the exacerbating effect of APOE4 on LB pathology were summarized. We found robust evidence that APOE4 carriage constitutes a risk factor for PDD-APOE2, and APOE3 may not alter the risk of developing PDD. We confirmed that APOE4 copies confer an increased hazard towards DLB, as well. Again APOE2 and APOE3 appear unrelated to the risk of conversion. Of note, in individuals with DLB APOE4, carriage appears to be intermediately prevalent between AD and PDD-PD (AD > DLB > PDD > PD). Less consistency existed when it came to PD; APOE-PD associations tended to be markedly modified by ethnicity. Finally, we failed to establish an association between the APOE gene and MSA. Phenotypic associations (age of disease onset, survival, cognitive-neuropsychiatric- motor-, and sleep-related manifestations) between APOE alleles, and each of the aforementioned conditions were also outlined. Finally, a synopsis of literature gaps was provided followed by suggestions for future research.
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Affiliation(s)
- Ioannis Liampas
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, 41100 Larissa, Greece; (V.S.); (P.S.); (E.D.)
| | - Panagiota Kyriakoulopoulou
- Department of Neurology, University Hospital of Patras, School of Medicine, University of Patras, 26504 Rio Patras, Greece; (P.K.); (E.T.); (Z.K.); (E.C.)
| | - Vasileios Siokas
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, 41100 Larissa, Greece; (V.S.); (P.S.); (E.D.)
| | - Eirini Tsiamaki
- Department of Neurology, University Hospital of Patras, School of Medicine, University of Patras, 26504 Rio Patras, Greece; (P.K.); (E.T.); (Z.K.); (E.C.)
| | - Polyxeni Stamati
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, 41100 Larissa, Greece; (V.S.); (P.S.); (E.D.)
| | - Zinovia Kefalopoulou
- Department of Neurology, University Hospital of Patras, School of Medicine, University of Patras, 26504 Rio Patras, Greece; (P.K.); (E.T.); (Z.K.); (E.C.)
| | - Elisabeth Chroni
- Department of Neurology, University Hospital of Patras, School of Medicine, University of Patras, 26504 Rio Patras, Greece; (P.K.); (E.T.); (Z.K.); (E.C.)
| | - Efthimios Dardiotis
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, 41100 Larissa, Greece; (V.S.); (P.S.); (E.D.)
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Sabir MS, Blauwendraat C, Ahmed S, Serrano GE, Beach TG, Perkins M, Rice AC, Masliah E, Morris CM, Pihlstrom L, Pantelyat A, Resnick SM, Cookson MR, Hernandez DG, Albert M, Dawson TM, Rosenthal LS, Houlden H, Pletnikova O, Troncoso J, Scholz SW. Assessment of APOE in atypical parkinsonism syndromes. Neurobiol Dis 2019; 127:142-146. [PMID: 30798004 DOI: 10.1016/j.nbd.2019.02.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/06/2019] [Accepted: 02/20/2019] [Indexed: 12/12/2022] Open
Abstract
Atypical parkinsonism syndromes are a heterogeneous group of neurodegenerative disorders that include corticobasal degeneration (CBD), Lewy body dementia (LBD), multiple system atrophy (MSA), and progressive supranuclear palsy (PSP). The APOE ε4 allele is a well-established risk factor for Alzheimer's disease; however, the role of APOE in atypical parkinsonism syndromes remains controversial. To examine the associations of APOE ε4 and ε2 alleles with risk of developing these syndromes, a total of 991 pathologically-confirmed atypical parkinsonism cases were genotyped using the Illumina NeuroChip array. We also performed genotyping and logistic regression analyses to examine APOE frequency and associated risk in patients with Alzheimer's disease (n = 571) and Parkinson's disease (n = 348). APOE genotypes were compared to those from neurologically healthy controls (n = 591). We demonstrate that APOE ε4 and ε2 carriers have a significantly increased and decreased risk, respectively, of developing Alzheimer's disease (ε4: OR: 4.13, 95% CI: 3.23-5.26, p = 3.67 × 10-30; ε2: OR: 0.21, 95% CI: 0.13-0.34; p = 5.39 × 10-10) and LBD (ε4: OR: 2.94, 95% CI: 2.34-3.71, p = 6.60 × 10-20; ε2: OR = OR: 0.39, 95% CI: 0.26-0.59; p = 6.88 × 10-6). No significant associations with risk for CBD, MSA, or PSP were observed. We also show that APOE ε4 decreases survival in a dose-dependent manner in Alzheimer's disease and LBD. Taken together, this study does not provide evidence to implicate a role of APOE in the neuropathogenesis of CBD, MSA, or PSP. However, we confirm association of the APOE ε4 allele with increased risk for LBD, and importantly demonstrate that APOE ε2 reduces risk of this disease.
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Affiliation(s)
- Marya S Sabir
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Cornelis Blauwendraat
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Sarah Ahmed
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Geidy E Serrano
- Civin Laboratory of Neuropathology, Banner Sun Health Research Institute, Sun City, AZ, USA
| | - Thomas G Beach
- Civin Laboratory of Neuropathology, Banner Sun Health Research Institute, Sun City, AZ, USA
| | - Matthew Perkins
- Michigan Brain Bank, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Ann C Rice
- Virginia Commonwealth University Brain Bank, Virginia Commonwealth University, Richmond, VA, USA
| | - Eliezer Masliah
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | | | - Lasse Pihlstrom
- Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Alexander Pantelyat
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Susan M Resnick
- Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Mark R Cookson
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Dena G Hernandez
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Marilyn Albert
- 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; Neuroregeneration and Stem Cell Programs, Institute of Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Liana S Rosenthal
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Henry Houlden
- Department of Molecular Neuroscience, UCL Institute of Neurology, London, UK
| | - Olga Pletnikova
- Department of Pathology (Neuropathology), Johns Hopkins University Medical Center, Baltimore, MD, USA
| | - Juan Troncoso
- Department of Pathology (Neuropathology), Johns Hopkins University Medical Center, Baltimore, MD, USA
| | - Sonja W Scholz
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA; Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Ogaki K, Martens YA, Heckman MG, Koga S, Labbé C, Lorenzo-Betancor O, Wernick AI, Walton RL, Soto AI, Vargas ER, Nielsen HM, Fujioka S, Kanekiyo T, Uitti RJ, van Gerpen JA, Cheshire WP, Wszolek ZK, Low PA, Singer W, Dickson DW, Bu G, Ross OA. Multiple system atrophy and apolipoprotein E. Mov Disord 2018; 33:647-650. [PMID: 29442376 PMCID: PMC5889322 DOI: 10.1002/mds.27297] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 11/06/2017] [Accepted: 11/26/2017] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Dysregulation of the specialized lipid metabolism involved in myelin synthesis and maintenance by oligodendrocytes has been associated with the unique neuropathology of MSA. We hypothesized that apolipoprotein E, which is associated with neurodegeneration, may also play a role in the pathogenesis of MSA. OBJECTIVE This study evaluated genetic associations of Apolipoprotein E alleles with risk of MSA and α-synuclein pathology, and also examined whether apolipoprotein E isoforms differentially affect α-synuclein uptake in a oligodendrocyte cell. METHODS One hundred sixty-eight pathologically confirmed MSA patients, 89 clinically diagnosed MSA patients, and 1,277 control subjects were genotyped for Apolipoprotein E. Human oligodendrocyte cell lines were incubated with α-synuclein and recombinant human apolipoprotein E, with internalized α-synuclein imaged by confocal microscopy and cells analyzed by flow cytometry. RESULTS No significant association with risk of MSA or was observed for either Apolipoprotein E ɛ2 or ɛ4. α-Synuclein burden was also not associated with Apolipoprotein E alleles in the pathologically confirmed patients. Interestingly, in our cell assays, apolipoprotein E ɛ4 significantly reduced α-synuclein uptake in the oligodendrocytic cell line. CONCLUSIONS Despite differential effects of apolipoprotein E isoforms on α-synuclein uptake in a human oligodendrocytic cell, we did not observe a significant association at the Apolipoprotein E locus with risk of MSA or α-synuclein pathology. © 2018 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Kotaro Ogaki
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Yuka A. Martens
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Michael G. Heckman
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Jacksonville, Florida, USA
| | - Shunsuke Koga
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Catherine Labbé
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Anna I. Wernick
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Ronald L. Walton
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Emily R. Vargas
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Jacksonville, Florida, USA
| | - Henrietta M. Nielsen
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
- Department of Neurochemistry, Stockholm University, Stockholm, Sweden
| | - Shinsuke Fujioka
- Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Ryan J. Uitti
- Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | | | | | | | - Phillip A. Low
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - Wolfgang Singer
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Guojun Bu
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Owen A. Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
- Mayo Graduate School, Neurobiology of Disease, Jacksonville, Florida, USA
- Department of Clinical Genomics, Jacksonville, Florida, USA
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