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Saini P, Rudakou U, Yu E, Ruskey JA, Asayesh F, Laurent SB, Spiegelman D, Fahn S, Waters C, Monchi O, Dauvilliers Y, Dupré N, Greenbaum L, Hassin-Baer S, Espay AJ, Rouleau GA, Alcalay RN, Fon EA, Postuma RB, Gan-Or Z. Association study of DNAJC13, UCHL1, HTRA2, GIGYF2, and EIF4G1 with Parkinson's disease. Neurobiol Aging 2020; 100:119.e7-119.e13. [PMID: 33239198 DOI: 10.1016/j.neurobiolaging.2020.10.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 10/05/2020] [Accepted: 10/17/2020] [Indexed: 12/13/2022]
Abstract
Rare mutations in genes originally discovered in multigenerational families have been associated with increased risk of Parkinson's disease (PD). The involvement of rare variants in DNAJC13, UCHL1, HTRA2, GIGYF2, and EIF4G1 loci has been poorly studied or has produced conflicting results across cohorts. However, they are still being often referred to as "PD genes" and used in different models. To further elucidate the role of these 5 genes in PD, we fully sequenced them using molecular inversion probes in 2408 patients with PD and 3444 controls from 3 different cohorts. A total of 788 rare variants were identified across the 5 genes and 3 cohorts. Burden analyses and optimized sequence Kernel association tests revealed no significant association between any of the genes and PD after correction for multiple comparisons. Our results do not support an association of the 5 tested genes with PD. Combined with previous studies, it is unlikely that any of these genes plays an important role in PD. Their designation as "PARK" genes should be reconsidered.
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Affiliation(s)
- Prabhjyot Saini
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada
| | - Uladzislau Rudakou
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada
| | - Eric Yu
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada
| | - Jennifer A Ruskey
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Farnaz Asayesh
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Sandra B Laurent
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada
| | - Dan Spiegelman
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Stanley Fahn
- Department of Neurology, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Cheryl Waters
- Department of Neurology, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Oury Monchi
- Department of Clinical Neurosciences and Department of Radiology, University of Calgary, Calgary, Alberta, Canada; Cumming School of Medicine, Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Yves Dauvilliers
- Department of Neurology, National Reference Center for Narcolepsy, Sleep Unit, Gui-de-Chauliac Hospital, CHU Montpellier, University of Montpellier, Inserm U1061, Montpellier, France
| | - Nicolas Dupré
- Division of Neurosciences, CHU de Québec, Université Laval, Quebec City, Quebec, Canada; Department of Medicine, Faculty of Medicine, Université Laval, Québec, Quebec, Canada
| | - Lior Greenbaum
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; The Danek Gertner Institute of Human Genetics, Sheba Medical Center, Tel Hashomer, Israel; The Joseph Sagol Neuroscience Center, Sheba Medical Center, Tel Hashomer, Israel
| | - Sharon Hassin-Baer
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Neurology, The Movement Disorders Institute, Sheba Medical Center, Tel Hashomer, Israel
| | - Alberto J Espay
- Department of Neurology, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Guy A Rouleau
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Roy N Alcalay
- Department of Neurology, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA; Taub Institute for Research on Alzheimer's Disease and the Aging Brain, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Edward A Fon
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Ronald B Postuma
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada
| | - Ziv Gan-Or
- Montreal Neurological Institute, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada; Department of Neurology and neurosurgery, McGill University, Montréal, Quebec, Canada.
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Amaya Ramirez CC, Hubbe P, Mandel N, Béthune J. 4EHP-independent repression of endogenous mRNAs by the RNA-binding protein GIGYF2. Nucleic Acids Res 2019; 46:5792-5808. [PMID: 29554310 PMCID: PMC6009589 DOI: 10.1093/nar/gky198] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 03/07/2018] [Indexed: 11/12/2022] Open
Abstract
Initially identified as a factor involved in tyrosine kinase receptor signaling, Grb10-interacting GYF protein 2 (GIGYF2) has later been shown to interact with the 5′ cap-binding protein 4EHP as part of a translation repression complex, and to mediate post-transcriptional repression of tethered reporter mRNAs. A current model proposes that GIGYF2 is indirectly recruited to mRNAs by specific RNA-binding proteins (RBPs) leading to translation repression through its association with 4EHP. Accordingly, we recently observed that GIGYF2 also interacts with the miRNA-induced silencing complex and probably modulates its translation repression activity. Here we have further investigated how GIGYF2 represses mRNA function. In a tethering reporter assay, we identify three independent domains of GIGYF2 with repressive activity. In this assay, GIGYF2-mediated repression is independent of 4EHP but largely dependent on the CCR4/NOT complex that GIGYF2 recruits through multiple interfaces. Importantly, we show that GIGYF2 is an RBP and identify for the first time endogenous mRNA targets that recapitulate 4EHP-independent repression. Altogether, we propose that GIGYF2 has two distinct mechanisms of repression: one depends on 4EHP binding and mainly affects translation; the other is 4EHP-independent and involves the CCR4/NOT complex and its deadenylation activity.
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Affiliation(s)
- Cinthia C Amaya Ramirez
- CellNetworks Junior Research Group Posttranscriptional Regulation of mRNA Expression and Localization, Heidelberg University, D-69120 Heidelberg, Germany.,Biochemistry Center, Heidelberg University, D-69120 Heidelberg, Germany
| | - Petra Hubbe
- CellNetworks Junior Research Group Posttranscriptional Regulation of mRNA Expression and Localization, Heidelberg University, D-69120 Heidelberg, Germany.,Biochemistry Center, Heidelberg University, D-69120 Heidelberg, Germany
| | - Nicolas Mandel
- CellNetworks Junior Research Group Posttranscriptional Regulation of mRNA Expression and Localization, Heidelberg University, D-69120 Heidelberg, Germany.,Biochemistry Center, Heidelberg University, D-69120 Heidelberg, Germany
| | - Julien Béthune
- CellNetworks Junior Research Group Posttranscriptional Regulation of mRNA Expression and Localization, Heidelberg University, D-69120 Heidelberg, Germany.,Biochemistry Center, Heidelberg University, D-69120 Heidelberg, Germany
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Lunati A, Lesage S, Brice A. The genetic landscape of Parkinson's disease. Rev Neurol (Paris) 2018; 174:628-643. [PMID: 30245141 DOI: 10.1016/j.neurol.2018.08.004] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 08/28/2018] [Indexed: 01/18/2023]
Abstract
The cause of Parkinson's disease (PD) remains unknown in most patients. Since 1997, with the first genetic mutation known to cause PD described in SNCA gene, many other genes with Mendelian inheritance have been identified. We summarize genetic, clinical and neuropathological findings related to the 27 genes reported in the literature since 1997, associated either with autosomal dominant (AD): LRRK2, SNCA, VPS35, GCH1, ATXN2, DNAJC13, TMEM230, GIGYF2, HTRA2, RIC3, EIF4G1, UCHL1, CHCHD2, and GBA; or autosomal recessive (AR) inheritance: PRKN, PINK1, DJ1, ATP13A2, PLA2G6, FBXO7, DNAJC6, SYNJ1, SPG11, VPS13C, PODXL, and PTRHD1; or an X-linked transmission: RAB39B. Clinical and neuropathological variability among genes is great. LRRK2 mutation carriers present a phenotype similar to those with idiopathic PD whereas, depending on the SNCA mutations, the phenotype ranges from early onset typical PD to dementia with Lewy bodies, including many other atypical forms. DNAJC6 nonsense mutations lead to a very severe phenotype whereas DNAJC6 missense mutations cause a more typical form. PRKN, PINK1 and DJ1 cases present with typical early onset PD with slow progression, whereas other AR genes present severe atypical Parkinsonism. RAB39B is responsible for a typical phenotype in women and a variable phenotype in men. GBA is a major PD risk factor often associated with dementia. A growing number of reported genes described as causal genes (DNAJC13, TMEM230, GIGYF2, HTRA2, RIC3, EIF4G1, UCHL1, and CHCHD2) are still awaiting replication or indeed have not been replicated, thus raising questions as to their pathogenicity. Phenotypic data collection and next generation sequencing of large numbers of cases and controls are needed to differentiate pathogenic dominant mutations with incomplete penetrance from rare, non-pathogenic variants. Although known genes cause a minority of PD cases, their identification will lead to a better understanding their pathological mechanisms, and may contribute to patient care, genetic counselling, prognosis determination and finding new therapeutic targets.
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Affiliation(s)
- A Lunati
- Inserm U1127, CNRS UMR 7225, UPMC université Paris 06 UMR S1127, Sorbonne université, institut du cerveau et de la moelle épinière, ICM, 75013 Paris, France
| | - S Lesage
- Inserm U1127, CNRS UMR 7225, UPMC université Paris 06 UMR S1127, Sorbonne université, institut du cerveau et de la moelle épinière, ICM, 75013 Paris, France
| | - A Brice
- Inserm U1127, CNRS UMR 7225, UPMC université Paris 06 UMR S1127, Sorbonne université, institut du cerveau et de la moelle épinière, ICM, 75013 Paris, France; Département de génétique, hôpital Pitié-Salpêtrière, AP-HP, 75013 Paris, France.
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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: 87] [Impact Index Per Article: 14.5] [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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