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Jacquemyn J, Ralhan I, Ioannou MS. Driving factors of neuronal ferroptosis. Trends Cell Biol 2024; 34:535-546. [PMID: 38395733 DOI: 10.1016/j.tcb.2024.01.010] [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: 11/20/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024]
Abstract
Ferroptosis is an oxidative form of iron-dependent cell death characterized by the accumulation of lipid peroxides on membranes. Iron and lipids containing polyunsaturated fatty acids are essential for this process. Ferroptosis is central to several neurological diseases and underlies the importance of balanced iron and polyunsaturated fatty acid metabolism in the brain, particularly in neurons. Here, we reflect on the potential links between neuronal physiology and the accumulation of iron and peroxidated lipids, the mechanisms neurons use to protect themselves from ferroptosis, and the relationship between pathogenic protein deposition and ferroptosis in neurodegenerative disease. We propose that the unique physiology of neurons makes them especially vulnerable to ferroptosis.
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Affiliation(s)
- Julie Jacquemyn
- Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada; Group on Molecular and Cell Biology of Lipids, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Isha Ralhan
- Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada; Group on Molecular and Cell Biology of Lipids, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Maria S Ioannou
- Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada; Group on Molecular and Cell Biology of Lipids, University of Alberta, Edmonton, AB T6G 2R3, Canada; Department of Cell Biology, University of Alberta, Edmonton, AB T6G 2R3, Canada; Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB T6G 2R3, Canada.
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3
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Bastioli G, Regoni M, Cazzaniga F, De Luca CMG, Bistaffa E, Zanetti L, Moda F, Valtorta F, Sassone J. Animal Models of Autosomal Recessive Parkinsonism. Biomedicines 2021; 9:biomedicines9070812. [PMID: 34356877 PMCID: PMC8301401 DOI: 10.3390/biomedicines9070812] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 02/07/2023] Open
Abstract
Parkinson’s disease (PD) is the most common neurodegenerative movement disorder. The neuropathological hallmark of the disease is the loss of dopamine neurons of the substantia nigra pars compacta. The clinical manifestations of PD are bradykinesia, rigidity, resting tremors and postural instability. PD patients often display non-motor symptoms such as depression, anxiety, weakness, sleep disturbances and cognitive disorders. Although, in 90% of cases, PD has a sporadic onset of unknown etiology, highly penetrant rare genetic mutations in many genes have been linked with typical familial PD. Understanding the mechanisms behind the DA neuron death in these Mendelian forms may help to illuminate the pathogenesis of DA neuron degeneration in the more common forms of PD. A key step in the identification of the molecular pathways underlying DA neuron death, and in the development of therapeutic strategies, is the creation and characterization of animal models that faithfully recapitulate the human disease. In this review, we outline the current status of PD modeling using mouse, rat and non-mammalian models, focusing on animal models for autosomal recessive PD.
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Affiliation(s)
- Guendalina Bastioli
- Division of Neuroscience, San Raffaele Scientific Institute, 20132 Milan, Italy; (G.B.); (M.R.); (L.Z.); (F.V.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Maria Regoni
- Division of Neuroscience, San Raffaele Scientific Institute, 20132 Milan, Italy; (G.B.); (M.R.); (L.Z.); (F.V.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Federico Cazzaniga
- Division of Neurology 5 and Neuropathology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (F.C.); (C.M.G.D.L.); (E.B.); (F.M.)
| | - Chiara Maria Giulia De Luca
- Division of Neurology 5 and Neuropathology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (F.C.); (C.M.G.D.L.); (E.B.); (F.M.)
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati, 34136 Trieste, Italy
| | - Edoardo Bistaffa
- Division of Neurology 5 and Neuropathology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (F.C.); (C.M.G.D.L.); (E.B.); (F.M.)
| | - Letizia Zanetti
- Division of Neuroscience, San Raffaele Scientific Institute, 20132 Milan, Italy; (G.B.); (M.R.); (L.Z.); (F.V.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Fabio Moda
- Division of Neurology 5 and Neuropathology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (F.C.); (C.M.G.D.L.); (E.B.); (F.M.)
| | - Flavia Valtorta
- Division of Neuroscience, San Raffaele Scientific Institute, 20132 Milan, Italy; (G.B.); (M.R.); (L.Z.); (F.V.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Jenny Sassone
- Division of Neuroscience, San Raffaele Scientific Institute, 20132 Milan, Italy; (G.B.); (M.R.); (L.Z.); (F.V.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
- Correspondence:
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4
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Beck G, Zhang J, Fong K, Mochizuki H, Mouradian MM, Papa SM. Striatal ΔFosB gene suppression inhibits the development of abnormal involuntary movements induced by L-Dopa in rats. Gene Ther 2021; 28:760-770. [PMID: 33707771 PMCID: PMC8433270 DOI: 10.1038/s41434-021-00249-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 02/07/2021] [Accepted: 02/19/2021] [Indexed: 11/24/2022]
Abstract
L-Dopa-induced dyskinesia (LID) is associated with upregulation of striatal ΔFosB in animal models and patients with Parkinson’s disease (PD). A mechanistic role of ΔFosB is suspected because its transgenic overexpression leads to early appearance of LID in rodents and primates. The present study in rodents is aimed at exploring the therapeutic potential of striatal ΔFosB gene suppression to control LID in patients with PD. To determine the effect of reducing striatal ΔFosB expression, we used RNAi gene knockdown in a rat model of PD and assessed abnormal involuntary movements (AIMs) in response to L-Dopa. Rats with dopamine depletion received striatal injections of rAAV-ΔFosB shRNA or a control virus before exposure to chronic L-Dopa treatment. Development of AIMs during the entire L-Dopa treatment period was markedly inhibited by ΔFosB gene knockdown and its associated molecular changes. The antiparkinsonian action of L-Dopa was unchanged by ΔFosB gene knockdown. These results suggest a major role for ΔFosB in the development of LID, and support exploring strategies to reduce striatal ΔFosB levels in patients with PD.
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Affiliation(s)
- Goichi Beck
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA.,Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Jie Zhang
- RWJMS Institute for Neurological Therapeutics and Department of Neurology, Rutgers - Robert Wood Johnson Medical School, Piscataway, NJ, USA
| | - Kayoko Fong
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
| | - Hideki Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan
| | - M Maral Mouradian
- RWJMS Institute for Neurological Therapeutics and Department of Neurology, Rutgers - Robert Wood Johnson Medical School, Piscataway, NJ, USA.
| | - Stella M Papa
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA. .,Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA.
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5
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Minkley M, MacLeod P, Anderson CK, Nashmi R, Walter PB. Loss of tyrosine hydroxylase, motor deficits and elevated iron in a mouse model of phospholipase A2G6-associated neurodegeneration (PLAN). Brain Res 2020; 1748:147066. [PMID: 32818532 DOI: 10.1016/j.brainres.2020.147066] [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: 10/12/2019] [Revised: 07/22/2020] [Accepted: 08/15/2020] [Indexed: 10/23/2022]
Abstract
Phospholipase A2G6-associated neurodegeneration (PLAN) is a rare early-onset monogenic neurodegenerative movement disorder which targets the basal ganglia and other regions in the central and peripheral nervous system; presenting as a series of heterogenous subtypes in patients. We describe here a B6.C3-Pla2g6m1J/CxRwb mouse model of PLAN which presents with early-onset neurodegeneration at 90 days which is analogous of the disease progression that is observed in PLAN patients. Homozygous mice had a progressively worsening motor deficit, which presented as tremors starting at 65 days and progressed to severe motor dysfunction and increased falls on the wire hang test at 90 days. This motor deficit positively correlated with a reduction in tyrosine hydroxylase (TH) protein expression in dopaminergic neurons of the substantia nigra (SN) without any neuronal loss. Fluorescence imaging of Thy1-YFP revealed spheroid formation in the SN. The spheroids in homozygous mice strongly mirrors those observed in patients and were demonstrated to correlate strongly with the motor deficits as measured by the wire hang test. The appearance of spheroids preceded TH loss and increased spheroid numbers negatively correlated with TH expression. Perls/DAB staining revealed the presence of iron accumulation within the SN of mice. This mouse model captures many of the major hallmarks of PLAN including severe-early onset neurodegeneration, a motor deficit that correlates directly to TH levels, spheroid formation and iron accumulation within the basal ganglia. Thus, this mouse line is a useful tool for further research efforts to improve understanding of how these disease mechanisms give rise to the disease presentations seen in PLAN patients as well as to test novel therapies.
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Affiliation(s)
- Michael Minkley
- Department of Biology, Centre for Biomedical Research, University of Victoria, Canada
| | - Patrick MacLeod
- Division of Medical Genetics, Vancouver Island Health Authority, Victoria, BC, Canada; Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | | | - Raad Nashmi
- Department of Biology, Centre for Biomedical Research, University of Victoria, Canada.
| | - Patrick B Walter
- Department of Biology, Centre for Biomedical Research, University of Victoria, Canada; Hematology/Oncology, UCSF Benioff Children's Hospital, Oakland, USA.
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Smolders S, Van Broeckhoven C. Genetic perspective on the synergistic connection between vesicular transport, lysosomal and mitochondrial pathways associated with Parkinson's disease pathogenesis. Acta Neuropathol Commun 2020; 8:63. [PMID: 32375870 PMCID: PMC7201634 DOI: 10.1186/s40478-020-00935-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/21/2020] [Indexed: 12/13/2022] Open
Abstract
Parkinson's disease (PD) and atypical parkinsonian syndromes (APS) are symptomatically characterized by parkinsonism, with the latter presenting additionally a distinctive range of atypical features. Although the majority of patients with PD and APS appear to be sporadic, genetic causes of several rare monogenic disease variants were identified. The knowledge acquired from these genetic factors indicated that defects in vesicular transport pathways, endo-lysosomal dysfunction, impaired autophagy-lysosomal protein and organelle degradation pathways, α-synuclein aggregation and mitochondrial dysfunction play key roles in PD pathogenesis. Moreover, membrane dynamics are increasingly recognized as a key player in the disease pathogenesis due lipid homeostasis alterations, associated with lysosomal dysfunction, caused by mutations in several PD and APS genes. The importance of lysosomal dysfunction and lipid homeostasis is strengthened by both genetic discoveries and clinical epidemiology of the association between parkinsonism and lysosomal storage disorders (LSDs), caused by the disruption of lysosomal biogenesis or function. A synergistic coordination between vesicular trafficking, lysosomal and mitochondria defects exist whereby mutations in PD and APS genes encoding proteins primarily involved one PD pathway are frequently associated with defects in other PD pathways as a secondary effect. Moreover, accumulating clinical and genetic observations suggest more complex inheritance patters of familial PD exist, including oligogenic and polygenic inheritance of genes in the same or interconnected PD pathways, further strengthening their synergistic connection.Here, we provide a comprehensive overview of PD and APS genes with functions in vesicular transport, lysosomal and mitochondrial pathways, and highlight functional and genetic evidence of the synergistic connection between these PD associated pathways.
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Affiliation(s)
- Stefanie Smolders
- Neurodegenerative Brain Diseases Group, VIB Center for Molecular Neurology, University of Antwerp - CDE, Universiteitsplein 1, 2610, Antwerpen, Belgium
- Biomedical Sciences, University of Antwerp, Antwerpen, Belgium
| | - Christine Van Broeckhoven
- Neurodegenerative Brain Diseases Group, VIB Center for Molecular Neurology, University of Antwerp - CDE, Universiteitsplein 1, 2610, Antwerpen, Belgium.
- Biomedical Sciences, University of Antwerp, Antwerpen, Belgium.
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Chiu CC, Lu CS, Weng YH, Chen YL, Huang YZ, Chen RS, Cheng YC, Huang YC, Liu YC, Lai SC, Lin KJ, Lin YW, Chen YJ, Chen CL, Yeh TH, Wang HL. PARK14 (D331Y) PLA2G6 Causes Early-Onset Degeneration of Substantia Nigra Dopaminergic Neurons by Inducing Mitochondrial Dysfunction, ER Stress, Mitophagy Impairment and Transcriptional Dysregulation in a Knockin Mouse Model. Mol Neurobiol 2018; 56:3835-3853. [PMID: 30088174 DOI: 10.1007/s12035-018-1118-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 05/11/2018] [Indexed: 12/27/2022]
Abstract
PARK14 patients with homozygous (D331Y) PLA2G6 mutation display motor deficits of pure early-onset Parkinson's disease (PD). The aim of this study is to investigate the pathogenic mechanism of mutant (D331Y) PLA2G6-induced PD. We generated knockin (KI) mouse model of PARK14 harboring homozygous (D331Y) PLA2G6 mutation. Then, we investigated neuropathological and neurological phenotypes of PLA2G6D331Y/D331Y KI mice and molecular pathogenic mechanisms of (D331Y) PLA2G6-induced degeneration of substantia nigra (SN) dopaminergic neurons. Six-or nine-month-old PLA2G6D331Y/D331Y KI mice displayed early-onset cell death of SNpc dopaminergic neurons. Lewy body pathology was found in the SN of PLA2G6D331Y/D331Y mice. Six-or nine-month-old PLA2G6D331Y/D331Y KI mice exhibited early-onset parkinsonism phenotypes. Disrupted cristae of mitochondria were found in SNpc dopaminergic neurons of PLA2G6D331Y/D331Y mice. PLA2G6D331Y/D331Y mice displayed mitochondrial dysfunction and upregulated ROS production, which may lead to activation of apoptotic cascade. Upregulated protein levels of Grp78, IRE1, PERK, and CHOP, which are involved in activation of ER stress, were found in the SN of PLA2G6D331Y/D331Y mice. Protein expression of mitophagic proteins, including parkin and BNIP3, was downregulated in the SN of PLA2G6D331Y/D331Y mice, suggesting that (D331Y) PLA2G6 mutation causes mitophagy dysfunction. In the SN of PLA2G6D331Y/D331Y mice, mRNA levels of eight genes that are involved in neuroprotection/neurogenesis were decreased, while mRNA levels of two genes that promote apoptotic death were increased. Our results suggest that PARK14 (D331Y) PLA2G6 mutation causes degeneration of SNpc dopaminergic neurons by causing mitochondrial dysfunction, elevated ER stress, mitophagy impairment, and transcriptional abnormality.
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Affiliation(s)
- Ching-Chi Chiu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Chin-Song Lu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yi-Hsin Weng
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ying-Ling Chen
- Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Ying-Zu Huang
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Institute of Cognitive Neuroscience, National Central University, Taoyuan, Taiwan
| | - Rou-Shayn Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yi-Chuan Cheng
- Graduate Institute of Biomedical Sciences, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Yin-Cheng Huang
- College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yu-Chuan Liu
- Division of Sports Medicine, Taiwan Landseed Hospital, Taoyuan, Taiwan
| | - Szu-Chia Lai
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Kun-Jun Lin
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Molecular Imaging Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yan-Wei Lin
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan.,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yu-Jie Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan
| | - Chao-Lang Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan
| | - Tu-Hsueh Yeh
- Department of Neurology, Taipei Medical University Hospital, No. 252, Wuxing St, Xinyi District, Taipei City, 110, Taiwan. .,School of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Hung-Li Wang
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Linkou, Taoyuan, Taiwan. .,Healthy Aging Research Center, Chang Gung University College of Medicine, Taoyuan, Taiwan. .,Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan. .,Department of Physiology and Pharmacology, Chang Gung University College of Medicine, No. 259, Wen-Hwa 1st Road, Kweishan, Taoyuan, 333, Taiwan.
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Karimi-Moghadam A, Charsouei S, Bell B, Jabalameli MR. Parkinson Disease from Mendelian Forms to Genetic Susceptibility: New Molecular Insights into the Neurodegeneration Process. Cell Mol Neurobiol 2018; 38:1153-1178. [PMID: 29700661 PMCID: PMC6061130 DOI: 10.1007/s10571-018-0587-4] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/20/2018] [Indexed: 12/13/2022]
Abstract
Parkinson disease (PD) is known as a common progressive neurodegenerative disease which is clinically diagnosed by the manifestation of numerous motor and nonmotor symptoms. PD is a genetically heterogeneous disorder with both familial and sporadic forms. To date, researches in the field of Parkinsonism have identified 23 genes or loci linked to rare monogenic familial forms of PD with Mendelian inheritance. Biochemical studies revealed that the products of these genes usually play key roles in the proper protein and mitochondrial quality control processes, as well as synaptic transmission and vesicular recycling pathways within neurons. Despite this, large number of patients affected with PD typically tends to show sporadic forms of disease with lack of a clear family history. Recent genome-wide association studies (GWAS) meta-analyses on the large sporadic PD case-control samples from European populations have identified over 12 genetic risk factors. However, the genetic etiology that underlies pathogenesis of PD is also discussed, since it remains unidentified in 40% of all PD-affected cases. Nowadays, with the emergence of new genetic techniques, international PD genomics consortiums and public online resources such as PDGene, there are many hopes that future large-scale genetics projects provide further insights into the genetic etiology of PD and improve diagnostic accuracy and therapeutic clinical trial designs.
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Affiliation(s)
- Amin Karimi-Moghadam
- Division of Genetics, Department of Biology, Faculty of Science, University of Isfahan, Isfahan, Iran
| | - Saeid Charsouei
- Department of Neurology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Benjamin Bell
- Human Genetics & Genomic Medicine, Faculty of Medicine, Southampton General Hospital, University of Southampton, Southampton, UK
| | - Mohammad Reza Jabalameli
- Division of Genetics, Department of Biology, Faculty of Science, University of Isfahan, Isfahan, Iran.
- Human Genetics & Genomic Medicine, Faculty of Medicine, Southampton General Hospital, University of Southampton, Southampton, UK.
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