16 results on '"Crosiers D."'
Search Results
2. Evaluation of the interaction between LRRK2 and PARK16 loci in determining risk of Parkinson's disease: analysis of a large multicenter study
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Wang, L. Heckman, M.G. Aasly, J.O. Annesi, G. Bozi, M. Chung, S.J. Clarke, C. Crosiers, D. Eckstein, G. Garraux, G. Hadjigeorgiou, G.M. Hattori, N. Jeon, B. Kim, Y.J. Kubo, M. Lesage, S. Lin, J.J. Lynch, T. Lichtner, P. Mellick, G.D. Mok, V. Morrison, K.E. Quattrone, A. Satake, W. Silburn, P.A. Stefanis, L. Stockton, J.D. Tan, E.K. Toda, T. Brice, A. Van Broeckhoven, C. Uitti, R.J. Wirdefeldt, K. Wszolek, Z. Xiromerisiou, G. Maraganore, D.M. Gasser, T. Krüger, R. Farrer, M.J. Ross, O.A. Sharma, M.
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nervous system diseases - Abstract
A recent study MacLeod et al. has shown that an interaction between variants at the LRRK2 and PARK16 loci influences risk of development of Parkinson's disease (PD). Our study examines the proposed interaction between LRRK2 and PARK16 variants in modifying PD risk using a large multicenter series of PD patients (7715) and controls (8261) from sites participating in the Genetic Epidemiology of Parkinson's Disease Consortium. Our data does not support a strong direct interaction between LRRK2 and PARK16 variants; however, given the role of retromer and lysosomal pathways in PD, further studies are warranted. © 2016 Elsevier Inc.
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- 2017
3. Large-scale assessment of polyglutamine repeat expansions in Parkinson disease
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Wang, L, Aasly, J, Annesi, G, Bardien, S, Bozi, M, Brice, A, Carr, J, Chung, S, Clarke, C, Crosiers, D, Deutschländer, A, Eckstein, G, Farrer, M, Goldwurm, S, Garraux, G, Hadjigeorgiou, G, Hicks, A, Hattori, N, Klein, C, Jeon, B, Kim, Y, Lesage, S, Lin, J, Lynch, T, Lichtner, P, Lang, A, Mok, V, Jasinska-Myga, B, Mellick, G, Morrison, K, Opala, G, Pihlstrøm, L, Pramstaller, P, Park, S, Quattrone, A, Rogaeva, E, Ross, O, Stefanis, L, Stockton, J, Silburn, P, Theuns, J, Tan, E, Tomiyama, H, Toft, M, Van Broeckhoven, C, Uitti, R, Wirdefeldt, K, Wszolek, Z, Xiromerisiou, G, Yueh, K, Zhao, Y, Gasser, T, Maraganore, D, Krüger, R, Sharma, M, Boyle, RS, Sellbach, A, O'Sullivan, JD, Sutherland, GT, Siebert, GA, Dissanayaka, NN, Pickut, B, Engelborghs, S, Meeus, B, De Deyn, PP, Cras, P, Lang, AE, Tzourio, C, Amouyel, P, Loriot, MA, Mutez, E, Duflot, A, Legendre, JP, Waucquier, N, Riess, O, Berg, D, Schulte, C, Djarmati, A, Hagenah, J, Lohman, K, Auburger, G, Hilker, R, van de Loo, S, Dardiotis, E, Tsimourtou, V, Ralli, S, Kountra, P, Patramani, G, Vogiatzi, C, Funayama, M, Yoshino, H, Li, Y, Imamichi, Y, Toda, T, Satake, W, Valente, EM, Ferraris, A, Dallapiccola, B, Ialongo, T, Brighina, L, Corradi, B, Ferrarese, C, Piolti, MR, Tarantino, P, Annesi, F, Gagliardi, M, Jeon, BS, Klodowska-Duda, G, Boczarska-Jedynak, M, Tan, EK, Belin, AC, Olson, L, Galter, D, Westerlund, M, Sydow, O, Nilsson, C, Puschmann, A, Lin, JJ, Maraganore, DM, Ahlskog, J, de Andrade, M, Lesnick, TG, Rocca, WA, Checkowa, H, Ross, OA, Wszolek, ZK, Uitti, RJ, Pathologic Biochemistry and Physiology, GEO-PD Consortium, Wang, L, Aasly, J, Annesi, G, Bardien, S, Bozi, M, Brice, A, Carr, J, Chung, S, Clarke, C, Crosiers, D, Deutschländer, A, Eckstein, G, Farrer, M, Goldwurm, S, Garraux, G, Hadjigeorgiou, G, Hicks, A, Hattori, N, Klein, C, Jeon, B, Kim, Y, Lesage, S, Lin, J, Lynch, T, Lichtner, P, Lang, A, Mok, V, Jasinska-Myga, B, Mellick, G, Morrison, K, Opala, G, Pihlstrøm, L, Pramstaller, P, Park, S, Quattrone, A, Rogaeva, E, Ross, O, Stefanis, L, Stockton, J, Silburn, P, Theuns, J, Tan, E, Tomiyama, H, Toft, M, Van Broeckhoven, C, Uitti, R, Wirdefeldt, K, Wszolek, Z, Xiromerisiou, G, Yueh, K, Zhao, Y, Gasser, T, Maraganore, D, Krüger, R, Sharma, M, Boyle, R, Sellbach, A, O'Sullivan, J, Sutherland, G, Siebert, G, Dissanayaka, N, Pickut, B, Engelborghs, S, Meeus, B, De Deyn, P, Cras, P, Tzourio, C, Amouyel, P, Loriot, M, Mutez, E, Duflot, A, Legendre, J, Waucquier, N, Riess, O, Berg, D, Schulte, C, Djarmati, A, Hagenah, J, Lohman, K, Auburger, G, Hilker, R, van de Loo, S, Dardiotis, E, Tsimourtou, V, Ralli, S, Kountra, P, Patramani, G, Vogiatzi, C, Funayama, M, Yoshino, H, Li, Y, Imamichi, Y, Toda, T, Satake, W, Valente, E, Ferraris, A, Dallapiccola, B, Ialongo, T, Brighina, L, Corradi, B, Ferrarese, C, Piolti, M, Tarantino, P, Annesi, F, Gagliardi, M, Klodowska-Duda, G, Boczarska-Jedynak, M, Belin, A, Olson, L, Galter, D, Westerlund, M, Sydow, O, Nilsson, C, Puschmann, A, Ahlskog, J, de Andrade, M, Lesnick, T, Rocca, W, and Checkowa, H
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Male ,Age at onset ,confidence interval ,Genetic Epidemiology of Parkinson's Disease ,Parkinson disease ,spinocerebellar ataxia ,Nerve Tissue Proteins ,Disease ,Biology ,Parkinson Disease/epidemiology ,Trinucleotide Repeat Expansion/genetics ,Gene Frequency ,Ataxins/genetics ,Humans ,Nerve Tissue Proteins/genetics ,Genetic Predisposition to Disease ,Risk factor ,Allele frequency ,Nuclear Protein ,Aged ,risk ,Genetics ,Medicine(all) ,Nuclear Proteins ,Parkinson Disease ,Ataxin ,Odds ratio ,Middle Aged ,Phenotype ,Nuclear Proteins/genetics ,Genetic epidemiology ,Ataxins ,Gene Frequency/genetics ,Nerve Tissue Protein ,Peptide ,Cohort ,Female ,Neurology (clinical) ,Human medicine ,Trinucleotide repeat expansion ,Peptides ,Trinucleotide Repeat Expansion ,Peptides/genetics ,Human - Abstract
Objectives: We aim to clarify the pathogenic role of intermediate size repeat expansions of SCA2, SCA3, SCA6, and SCA17 as risk factors for idiopathic Parkinson disease (PD). Methods: We invited researchers from the Genetic Epidemiology of Parkinson9s Disease Consortium to participate in the study. There were 12,346 cases and 8,164 controls genotyped, for a total of 4 repeats within the SCA2, SCA3, SCA6, and SCA17 genes. Fixed- and random-effects models were used to estimate the summary risk estimates for the genes. We investigated between-study heterogeneity and heterogeneity between different ethnic populations. Results: We did not observe any definite pathogenic repeat expansions for SCA2, SCA3, SCA6, and SCA17 genes in patients with idiopathic PD from Caucasian and Asian populations. Furthermore, overall analysis did not reveal any significant association between intermediate repeats and PD. The effect estimates (odds ratio) ranged from 0.93 to 1.01 in the overall cohort for the SCA2, SCA3, SCA6, and SCA17 loci. Conclusions: Our study did not support a major role for definite pathogenic repeat expansions in SCA2, SCA3, SCA6, and SCA17 genes for idiopathic PD. Thus, results of this large study do not support diagnostic screening of SCA2, SCA3, SCA6, and SCA17 gene repeats in the common idiopathic form of PD. Likewise, this largest multicentered study performed to date excludes the role of intermediate repeats of these genes as a risk factor for PD.
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- 2015
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4. Large-scale assessment of polyglutamine repeat expansions in Parkinson disease
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Wang, L. Aasly, J.O. Annesi, G. Bardien, S. Bozi, M. Brice, A. Carr, J. Chung, S.J. Clarke, C. Crosiers, D. Deutschländer, A. Eckstein, G. Farrer, M.J. Goldwurm, S. Garraux, G. Hadjigeorgiou, G.M. Hicks, A.A. Hattori, N. Klein, C. Jeon, B. Kim, Y.J. Lesage, S. Lin, J.-J. Lynch, T. Lichtner, P. Lang, A.E. Mok, V. Jasinska-Myga, B. Mellick, G.D. Morrison, K.E. Opala, G. PihlstrØm, L. Pramstaller, P.P. Park, S.S. Quattrone, A. Rogaeva, E. Ross, O.A. Stefanis, L. Stockton, J.D. Silburn, P.A. Theuns, J. Tan, E.K. Tomiyama, H. Toft, M. Van Broeckhoven, C. Uitti, R.J. Wirdefeldt, K. Wszolek, Z. Xiromerisiou, G. Yueh, K.-C. Zhao, Y. Gasser, T. Maraganore, D.M. Krüger, R. Sharma, M.
- Abstract
Objectives: We aim to clarify the pathogenic role of intermediate size repeat expansions of SCA2, SCA3, SCA6, and SCA17 as risk factors for idiopathic Parkinson disease (PD). Methods: We invited researchers from the Genetic Epidemiology of Parkinson's Disease Consortium to participate in the study. There were 12,346 cases and 8,164 controls genotyped, for a total of 4 repeats within the SCA2, SCA3, SCA6, and SCA17 genes. Fixed- and random-effects models were used to estimate the summary risk estimates for the genes. We investigated between-study heterogeneity and heterogeneity between different ethnic populations. Results: We did not observe any definite pathogenic repeat expansions for SCA2, SCA3, SCA6, and SCA17 genes in patients with idiopathic PD from Caucasian and Asian populations. Furthermore, overall analysis did not reveal any significant association between intermediate repeats and PD. The effect estimates (odds ratio) ranged from 0.93 to 1.01 in the overall cohort for the SCA2, SCA3, SCA6, and SCA17 loci. Conclusions: Our study did not support a major role for definite pathogenic repeat expansions in SCA2, SCA3, SCA6, and SCA17 genes for idiopathic PD. Thus, results of this large study do not support diagnostic screening of SCA2, SCA3, SCA6, and SCA17 gene repeats in the common idiopathic form of PD. Likewise, this largest multicentered study performed to date excludes the role of intermediate repeats of these genes as a risk factor for PD. © 2015 American Academy of Neurology.
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- 2015
5. A multi-centre clinico-genetic analysis of the VPS35 gene in Parkinson disease indicates reduced penetrance for disease-associated variants
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Sharma, M. Ioannidis, J.P.A. Aasly, J.O. Annesi, G. Brice, A. Bertram, L. Bozi, M. Barcikowska, M. Crosiers, D. Clarke, C.E. Facheris, M.F. Farrer, M. Garraux, G. Gispert, S. Auburger, G. Vilariño-Güell, C. Hadjigeorgiou, G.M. Hicks, A.A. Hattori, N. Jeon, B.S. Jamrozik, Z. Krygowska-Wajs, A. Lesage, S. Lill, C.M. Lin, J.-J. Lynch, T. Lichtner, P. Lang, A.E. Libioulle, C. Murata, M. Mok, V. Jasinska-Myga, B. Mellick, G.D. Morrison, K.E. Meitnger, T. Zimprich, A. Opala, G. Pramstaller, P.P. Pichler, I. Park, S.S. Quattrone, A. Rogaeva, E. Ross, O.A. Stefanis, L. Stockton, J.D. Satake, W. Silburn, P.A. Strom, T.M. Theuns, J. Tan, E.K. Toda, T. Tomiyama, H. Uitti, R.J. Van Broeckhoven, C. Wirdefeldt, K. Wszolek, Z. Xiromerisiou, G. Yomono, H.S. Yueh, K.-C. Zhao, Y. Gasser, T. Maraganore, D. Krüger, R.
- Abstract
Background Two recent studies identified a mutation (p.Asp620Asn) in the vacuolar protein sorting 35 gene as a cause for an autosomal dominant form of Parkinson disease. Although additional missense variants were described, their pathogenic role yet remains inconclusive. Methods and results We performed the largest multicenter study to ascertain the frequency and pathogenicity of the reported vacuolar protein sorting 35 gene variants in more than 15,000 individuals worldwide. p.Asp620Asn was detected in 5 familial and 2 sporadic PD cases and not in healthy controls, p.Leu774Met in 6 cases and 1 control, p.Gly51Ser in 3 cases and 2 controls. Overall analyses did not reveal any significant increased risk for p.Leu774Met and p.Gly51Ser in our cohort. Conclusions Our study apart from identifying the p. Asp620Asn variant in familial cases also identified it in idiopathic Parkinson disease cases, and thus provides genetic evidence for a role of p.Asp620Asn in Parkinson disease in different populations worldwide.
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- 2012
6. Large-scale replication and heterogeneity in Parkinson disease genetic loci
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Sharma, M. Ioannidis, J.P.A. Aasly, J.O. Annesi, G. Brice, A. Van Broeckhoven, C. Bertram, L. Bozi, M. Crosiers, D. Clarke, C. Facheris, M. Farrer, M. Garraux, G. Gispert, S. Auburger, G. Vilariño-Güell, C. Hadjigeorgiou, G.M. Hicks, A.A. Hattori, N. Jeon, B. Lesage, S. Lill, C.M. Lin, J.-J. Lynch, T. Lichtner, P. Lang, A.E. Mok, V. Jasinska-Myga, B. Mellick, G.D. Morrison, K.E. Opala, G. Pramstaller, P.P. Pichler, I. Park, S.S. Quattrone, A. Rogaeva, E. Ross, O.A. Stefanis, L. Stockton, J.D. Satake, W. Silburn, P.A. Theuns, J. Tan, E.-K. Toda, T. Tomiyama, H. Uitti, R.J. Wirdefeldt, K. Wszolek, Z. Xiromerisiou, G. Yueh, K.-C. Zhao, Y. Gasser, T. Maraganore, D. Krüger, R.
- Abstract
Objective: Eleven genetic loci have reached genome-wide significance in a recent meta-analysis of genome-wide association studies in Parkinson disease (PD) based on populations of Caucasian descent. The extent to which these genetic effects are consistent across different populations is unknown. Methods: Investigators from the Genetic Epidemiology of Parkinson's Disease Consortium were invited to participate in the study. A total of 11 SNPs were genotyped in 8,750 cases and 8,955 controls. Fixed as well as random effects models were used to provide the summary risk estimates for these variants. We evaluated between-study heterogeneity and heterogeneity between populations of different ancestry. Results: In the overall analysis, single nucleotide polymorphisms (SNPs) in 9 loci showed significant associations with protective per-allele odds ratios of 0.78-0.87 (LAMP3, BST1, and MAPT) and susceptibility per-allele odds ratios of 1.14-1.43 (STK39, GAK, SNCA, LRRK2, SYT11, and HIP1R). For 5 of the 9 replicated SNPs there was nominally significant between-site heterogeneity in the effect sizes (I2 estimates ranged from 39% to 48%). Subgroup analysis by ethnicity showed significantly stronger effects for the BST1 (rs11724635) in Asian vs Caucasian populations and similar effects for SNCA, LRRK2, LAMP3, HIP1R, and STK39 in Asian and Caucasian populations, while MAPT rs2942168 and SYT11 rs34372695 were monomorphic in the Asian population, highlighting the role of population-specific heterogeneity in PD. Conclusion: Our study allows insight to understand the distribution of newly identified genetic factors contributing to PD and shows that large-scale evaluation in diverse populations is important to understand the role of population-specific heterogeneity. Copyright © 2012 by AAN Enterprises, Inc.
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- 2012
7. GCH1 variation altering expression levels in autosomal dominant dopa-responsive dystonia and in idiopathic Parkinson's disease
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Theuns, J., Crosiers, D., Nuytemans, K., Meeus, B., Sleegers, K., Corsmit, E., Elinck, E., Peeters, K., Mattheijssens, M., Engelborghs, S., Pickut, B., Cras, P., De Deyn, P. P., Van Broeckhoven, C., Clinical sciences, Neuroprotection & Neuromodulation, and Neurology
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Medicine(all) ,Parkinson's disease - Published
- 2011
8. Assessment of frequencies of simple mutations and copy number variations in five PD genes in Belgian Parkinson's disease patients
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Nuytemans, K., Meeus, B., Crosiers, D., Nathalie Brouwers, Pals, P., Engelborghs, S., Pickut, B., Bogaerts, V., Corsmit, E., Den Broeck, M., Cras, P., Deyn, P. P., Broeckhoven, C., Theuns, J., Clinical sciences, Neuroprotection & Neuromodulation, and Neurology
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Medicine(all) ,Parkinson's disease - Published
- 2009
9. Comprehensive analysis of sequence and copy number variations in the 5 major PD genes in a Belgian PD patient group
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Nuytemans, K., Meeus, B., Crosiers, D., Brouwers, N, Pals, P., Engelborghs, Sebastiaan, Pickut, B., Bogaerts, V., Corsmit, E., Van Den Broeck, M., Cras, P., De Deyn, P.p., Van Broeckhoven, C., Theuns, J., Clinical sciences, and Neurology
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Medicine(all) ,Belgium ,5 major PD genes - Published
- 2009
10. PARK11 gene GIGYF2 in sporadic Parkinson disease in a Belgian population
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Meeus, B., Nuytemans, K., Crosiers, D., Engelborghs, Sebastiaan, Pals, P., Pickut, B., Peeters, K., Mattheijssens, M., Corsmit, E., Cras, P., De Deyn, P.p., Theuns, J., Van Broeckhoven, C., Clinical sciences, and Neurology
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Parkinson disease ,Medicine(all) ,Belgium - Published
- 2009
11. DLB locus on chromosome 2q35-q36 represents a separate genetic entity
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Meeus, B., Nuytemans, K., Crosiers, D., Engelborghs, S., Pickut, B., Peeters, K., Mattheijssens, M., Corsmit, E., De Deyn, P. P., Van Broeckhoven, C., Theuns, J., Clinical sciences, Neuroprotection & Neuromodulation, and Neurology
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Medicine(all) ,separate genetic entity - Published
- 2009
12. Global investigation and meta-analysis of the C9orf72 (G4C2)n repeat in Parkinson disease
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Theuns, J., Verstraeten, A., Sleegers, K., Wauters, E., Gijselinck, I., Smolders, S., Crosiers, D., Corsmit, E., Elinck, E., Sharma, M., Krüger, R., Lesage, S., Brice, A., Chung, S. J., Kim, M. -J, Kim, Y. J., Ross, O. A., Wszolek, Z. K., Rogaeva, E., Xi, Z., Lang, A. E., Klein, C., Weissbach, A., Mellick, G. D., Silburn, P. A., Hadjigeorgiou, G. M., Dardiotis, E., Hattori, N., Ogaki, K., Tan, E. -K, Zhao, Y., Aasly, J., Valente, E. M., Petrucci, S., Annesi, G., Quattrone, A., Ferrarese, C., Brighina, L., Deutschländer, A., Andreas Puschmann, Nilsson, C., Garraux, G., Ledoux, M. S., Pfeiffer, R. F., Boczarska-Jedynak, M., Opala, G., Maraganore, D. M., Engelborghs, S., Deyn, P. P., Cras, P., Cruts, M., and Broeckhoven, C.
13. Dementia with Lewy Bodies: A Role for Dementia and Parkinson's Disease Genes?
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Meeus, B., Verstraeten, A., Nuytemans, K., Crosiers, D., Engelborghs, S., Den Broeck, M., Brys, J., Mattheijssens, M., Peeters, K., Corsmit, E., Elinck, E., Pickut, B., Cras, P., Rik Vandenberghe, Deyn, P. P., Broeckhoven, C., Theuns, J., Clinical sciences, Neuroprotection & Neuromodulation, and Neurology
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Medicine(all) ,Alzheimer's disease ,Lewy bodies ,dementia
14. Embracing Monogenic Parkinson's Disease: The MJFF Global Genetic PD Cohort
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Vollstedt, Eva-Juliane, Schaake, Susen, Lohmann, Katja, Padmanabhan, Shalini, Brice, Alexis, Lesage, Suzanne, Tesson, Christelle, Vidailhet, Marie, Wurster, Isabel, Hentati, Faycel, Mirelman, Anat, Giladi, Nir, Marder, Karen, Waters, Cheryl, Fahn, Stanley, Kasten, Meike, Brüggemann, Norbert, Borsche, Max, Foroud, Tatiana, Tolosa, Eduardo, Garrido, Alicia, Annesi, Grazia, Gagliardi, Monica, Bozi, Maria, Stefanis, Leonidas, Ferreira, Joaquim J, Correia Guedes, Leonor, Avenali, Micol, Petrucci, Simona, Clark, Lorraine, Fedotova, Ekaterina Y, Abramycheva, Natalya Y, Alvarez, Victoria, Menéndez-González, Manuel, Jesús Maestre, Silvia, Gómez-Garre, Pilar, Mir, Pablo, Belin, Andrea Carmine, Ran, Caroline, Lin, Chin-Hsien, Kuo, Ming-Che, Crosiers, David, Wszolek, Zbigniew K, Ross, Owen A, Jankovic, Joseph, Nishioka, Kenya, Funayama, Manabu, Clarimon, Jordi, Williams-Gray, Caroline H, Camacho, Marta, Cornejo-Olivas, Mario, Torres-Ramirez, Luis, Wu, Yih-Ru, Lee-Chen, Guey-Jen, Morgadinho, Ana, Pulkes, Teeratorn, Termsarasab, Pichet, Berg, Daniela, Kuhlenbäumer, Gregor, Kühn, Andrea A, Borngräber, Friederike, De Michele, Giuseppe, De Rosa, Anna, Zimprich, Alexander, Puschmann, Andreas, Mellick, George D, Dorszewska, Jolanta, Carr, Jonathan, Ferese, Rosangela, Gambardella, Stefano, Chase, Bruce, Markopoulou, Katerina, Satake, Wataru, Toda, Tatsushi, Rossi, Malco, Merello, Marcelo, Lynch, Timothy, Olszewska, Diana A, Lim, Shen-Yang, Ahmad-Annuar, Azlina, Tan, Ai Huey, Al-Mubarak, Bashayer, Hanagasi, Hasmet, Koziorowski, Dariusz, Ertan, Sibel, Genç, Gençer, De Carvalho Aguiar, Patricia, Barkhuizen, Melinda, Pimentel, Marcia MG, Saunders-Pullman, Rachel, Van De Warrenburg, Bart, Bressman, Susan, Toft, Mathias, Appel-Cresswell, Silke, Lang, Anthony E, Skorvanek, Matej, Boon, Agnita JW, Krüger, Rejko, Sammler, Esther M, Tumas, Vitor, Zhang, Bao-Rong, Garraux, Gaetan, Chung, Sun Ju, Kim, Yun Joong, Winkelmann, Juliane, Sue, Carolyn M, Tan, Eng-King, Damásio, Joana, Klivényi, Péter, Kostic, Vladimir S, Arkadir, David, Martikainen, Mika, Borges, Vanderci, Hertz, Jens Michael, Brighina, Laura, Spitz, Mariana, Suchowersky, Oksana, Riess, Olaf, Das, Parimal, Mollenhauer, Brit, Gatto, Emilia M, Petersen, Maria Skaalum, Hattori, Nobutaka, Wu, Ruey-Meei, Illarioshkin, Sergey N, Valente, Enza Maria, Aasly, Jan O, Aasly, Anna, Alcalay, Roy N, Thaler, Avner, Farrer, Matthew J, Brockmann, Kathrin, Corvol, Jean-Christophe, Klein, Christine, MJFF Global Genetic Parkinson's Disease Study Group, Vollstedt, Ej, Schaake, S, Lohmann, K, Padmanabhan, S, Brice, A, Lesage, S, Tesson, C, Vidailhet, M, Wurster, I, Hentati, F, Mirelman, A, Giladi, N, Marder, K, Waters, C, Fahn, S, Kasten, M, Brüggemann, N, Borsche, M, Foroud, T, Tolosa, E, Garrido, A, Annesi, G, Gagliardi, M, Bozi, M, Stefanis, L, Ferreira, Jj, Correia Guedes, L, Avenali, M, Petrucci, S, Clark, L, Fedotova, Ey, Abramycheva, Ny, Alvarez, V, Menéndez-González, M, Jesús Maestre, S, Gómez-Garre, P, Mir, P, Belin, Ac, Ran, C, Lin, Ch, Kuo, Mc, Crosiers, D, Wszolek, Zk, Ross, Oa, Jankovic, J, Nishioka, K, Funayama, M, Clarimon, J, Williams-Gray, Ch, Camacho, M, Cornejo-Olivas, M, Torres-Ramirez, L, Wu, Yr, Lee-Chen, Gj, Morgadinho, A, Pulkes, T, Termsarasab, P, Berg, D, Kuhlenbäumer, G, Kühn, Aa, Borngräber, F, de Michele, G, De Rosa, A, Zimprich, A, Puschmann, A, Mellick, Gd, Dorszewska, J, Carr, J, Ferese, R, Gambardella, S, Chase, B, Markopoulou, K, Satake, W, Toda, T, Rossi, M, Merello, M, Lynch, T, Olszewska, Da, Lim, Sy, Ahmad-Annuar, A, Tan, Ah, Al-Mubarak, B, Hanagasi, H, Koziorowski, D, Ertan, S, Genç, G, de Carvalho Aguiar, P, Barkhuizen, M, Pimentel, Mmg, Saunders-Pullman, R, van de Warrenburg, B, Bressman, S, Toft, M, Appel-Cresswell, S, Lang, Ae, Skorvanek, M, Boon, Ajw, Krüger, R, Sammler, Em, Tu, Repositório da Universidade de Lisboa, Clinical Genetics, Neurology, Internal Medicine, Aasly, Anna, Aasly, Jan O, Abramycheva, Natalya Y, Ahmad-Annuar, Azlina, Albanese, Alberto, Alcalay, Roy N, Aldakheel, Amaal, Alkhairallah, Thamer, Al-Mubarak, Bashayer, Al-Tassan, Nada, Alvarez, Victoria, Amami, Paolo, Annesi, Grazia, Appel-Cresswell, Silke, Leite, Marco Antonio Araujo, Arkadir, David, Avenali, Micol, Ferraz, Henrique Ballalai, Bardien, Soraya, Barkhuizen, Melinda, Barrett, Matthew J, Başak, A Nazlı, Berg, Daniela, Bilgic, Basar, Bloem, Bastiaan R, Bonifati, Vincenzo, Boon, Agnita J W, Borges, Vanderci, Borngräber, Friederike, Borsche, Max, Bozi, Maria, Bressman, Susan, Brice, Alexis, Brighina, Laura, Brockmann, Kathrin, Brüggemann, Norbert, Camacho, Marta, Belin, Andrea Carmine, Carr, Jonathan, Cesarini, Martin Emiliano, Cornejo-Olivas, Mario, Chase, Bruce, Chung, Sun Ju, Guedes, Leonor Correia, Clarimon, Jordi, Clark, Lorraine, Corvol, Jean-Christophe, Crosiers, David, Das, Parimal, de Carvalho Aguiar, Patricia, Damásio, Joana, de Michele, Giuseppe, De Rosa, Anna, Dieguez, Elena, Dorszewska, Jolanta, Ertan, Sibel, Fahn, Stanley, Farrer, Matthew J, Fedotova, Ekaterina Y, Ferese, Rosangela, Ferreira, Joaquim J, Foroud, Tatiana, Funayama, Manabu, Fung, Victor S C, Gagliardi, Monica, Gambardella, Stefano, Garraux, Gaetan, Garrido, Alicia, Gatto, Emilia M, Genç, Gençer, Giladi, Nir, Gómez-Garre, Pilar, Hanagasi, Hasmet, Hattori, Nobutaka, Hentati, Faycel, Hertz, Jens Michael, Illarioshkin, Sergey N, Jankovic, Joseph, Januario, Cristina, Maestre, Silvia Jesús, Kaasinen, Valtteri, Kasten, Meike, Kataoka, Hiroshi, Kievit, Anneke A, Kim, Yun Joong, Klein, Christine, Klivényi, Péter, Kostic, Vladimir S, Koziorowski, Dariusz, Krüger, Rejko, Kühn, Andrea, Kuhlenbäumer, Gregor, Kuo, Ming-Che, Lang, Anthony E, Lee-Chen, Guey-Jen, Lesage, Suzanne, Lim, Jia Lun, Lim, Shen-Yang, Lin, Chin-Hsien, Lohmann, Katja, Lynch, Timothy, Marder, Karen, Markopoulou, Katerina, Martikainen, Mika, May, Patrick, McCarthy, Allan, Mellick, George D, Menéndez-González, Manuel, Merello, Marcelo, Mir, Pablo, Mirelman, Anat, Mollenhauer, Brit, Briceno, Hugo Morales, Morgadinho, Ana, Morris, Huw, Mosejova, Alexandra, Nishioka, Kenya, Çakmak, Özgür Öztop, Olszewska, Diana A, Orr-Urtreger, Avi, Pachchek, Sinthuja, Padmanabhan, Shalini, Periñán, Maria Teresa, Petrucci, Simona, Pimentel, Marcia M G, Procopio, Radha, Pulkes, Teeratorn, Puschmann, Andreas, Ran, Caroline, Riess, Olaf, Ross, Owen A, Rossi, Malco, Ruiz-Martinez, Javier, Sammler, Esther M, Pereira, João Santos, Satake, Wataru, Saunders-Pullman, Rachel, Schaake, Susen, Petersen, Maria Skaalum, Skorvanek, Matej, Stefanis, Leonidas, Soto-Beasley, Alexandra I, Sousa, Mário, Spitz, Mariana, Suchowersky, Oksana, Sue, Carolyn M, Tan, Ai Huey, Tan, Eng-King, Thaler, Avner, Tepgeç, Fatih, Termsarasab, Pichet, Tesson, Christelle, Toda, Tatsushi, Toft, Mathias, Tolosa, Eduardo, Torres-Ramirez, Luis, Tumas, Vitor, Uyguner, Oya, Valente, Enza Maria, van de Warrenburg, Bart, Vidailhet, Marie, Vollstedt, Eva-Juliane, Walton, Ronald L, Waters, Cheryl, Williams-Gray, Caroline H, Winkelmann, Juliane, Wu, Yih-Ru, Wurster, Isabel, Wszolek, Zbigniew K, Wu, Ruey-Meei, Zhang, Bao-Rong, Zimprich, Alexander, Vollstedt, Eva-Juliane [0000-0002-6898-9201], Lohmann, Katja [0000-0002-5121-1460], Mirelman, Anat [0000-0002-1520-2292], Brüggemann, Norbert [0000-0001-5969-6899], Borsche, Max [0000-0002-9651-5986], Tolosa, Eduardo [0000-0002-3781-0854], Ferreira, Joaquim J [0000-0003-3950-5113], Alvarez, Victoria [0000-0002-1916-2523], Mir, Pablo [0000-0003-1656-302X], Kuo, Ming-Che [0000-0003-3688-0225], Ross, Owen A [0000-0003-4813-756X], Nishioka, Kenya [0000-0001-8607-9757], Williams-Gray, Caroline H [0000-0002-2648-9743], Camacho, Marta [0000-0002-1490-5703], Cornejo-Olivas, Mario [0000-0001-6313-5680], Wu, Yih-Ru [0000-0003-1191-2542], Termsarasab, Pichet [0000-0002-3260-3119], Borngräber, Friederike [0000-0001-9650-6820], Zimprich, Alexander [0000-0002-1668-5177], Gambardella, Stefano [0000-0002-3727-4502], Chase, Bruce [0000-0001-5491-7242], Olszewska, Diana A [0000-0002-1814-8834], Tan, Ai Huey [0000-0002-2979-3839], Barkhuizen, Melinda [0000-0002-9952-7085], Appel-Cresswell, Silke [0000-0002-5986-1468], Skorvanek, Matej [0000-0001-5497-8715], Sammler, Esther M [0000-0003-3218-7116], Zhang, Bao-Rong [0000-0002-8099-7407], Chung, Sun Ju [0000-0003-4118-8233], Apollo - University of Cambridge Repository, and MJFF Global Genetic Parkinson's Disease Study Group
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parkinson's disease ,monogenic pd ,monogenic PD ,Parkinson's disease ,Monogenic PD ,Parkinson Disease ,Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3] ,ddc ,Neurology ,genetics [Parkinson Disease] ,Mutation ,Humans ,Human medicine ,ddc:610 ,Neurology (clinical) ,Research Article ,Research Articles - Abstract
© 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited., Background: As gene-targeted therapies are increasingly being developed for Parkinson's disease (PD), identifying and characterizing carriers of specific genetic pathogenic variants is imperative. Only a small fraction of the estimated number of subjects with monogenic PD worldwide are currently represented in the literature and availability of clinical data and clinical trial-ready cohorts is limited. Objective: The objectives are to (1) establish an international cohort of affected and unaffected individuals with PD-linked variants; (2) provide harmonized and quality-controlled clinical characterization data for each included individual; and (3) further promote collaboration of researchers in the field of monogenic PD. Methods: We conducted a worldwide, systematic online survey to collect individual-level data on individuals with PD-linked variants in SNCA, LRRK2, VPS35, PRKN, PINK1, DJ-1, as well as selected pathogenic and risk variants in GBA and corresponding demographic, clinical, and genetic data. All registered cases underwent thorough quality checks, and pathogenicity scoring of the variants and genotype-phenotype relationships were analyzed. Results: We collected 3888 variant carriers for our analyses, reported by 92 centers (42 countries) worldwide. Of the included individuals, 3185 had a diagnosis of PD (ie, 1306 LRRK2, 115 SNCA, 23 VPS35, 429 PRKN, 75 PINK1, 13 DJ-1, and 1224 GBA) and 703 were unaffected (ie, 328 LRRK2, 32 SNCA, 3 VPS35, 1 PRKN, 1 PINK1, and 338 GBA). In total, we identified 269 different pathogenic variants; 1322 individuals in our cohort (34%) were indicated as not previously published. Conclusions: Within the MJFF Global Genetic PD Study Group, we (1) established the largest international cohort of affected and unaffected individuals carrying PD-linked variants; (2) provide harmonized and quality-controlled clinical and genetic data for each included individual; (3) promote collaboration in the field of genetic PD with a view toward clinical and genetic stratification of patients for gene-targeted clinical trials. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society., Michael J. Fox Foundation for Parkinson's Research. Grant Number: ID 15015.02. NIHR Cambridge Biomedical Research Centre. Grant Number: BRC-1215-20014
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- 2023
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15. Global investigation and meta-analysis of the C9orf72 (G4C2)n repeat in Parkinson disease
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Theuns, Jessie, Verstraeten, Aline, Krüger, Rejko, Puschmann, Andrea, Ritz, Beate, Rogaeva, Ekaterina, Sazci, Ali, Slawek, Jaroslaw, Stefanis, Leonidas, Tan, Eng-King, Toda, Tatsushi, Toft, Matthias, Van Broeckhoven, Christine, Lesage, Suzanne, Wirdefeldt, Karin, Woitalla, Dirk, Wszolek, Zbigniew K, Zimprich, Alexander, Brice, Alexis, Chung, Sun Ju, Kim, Mi-Jung, Kim, Young Jin, Ross, Owen A, Xi, Zhengrui, Sleegers, Kristel, Lang, Anthony E, Klein, Christine, Weissbach, Anne, Mellick, George D, Silburn, Peter A, Hadjigeorgiou, Georgios M, Dardiotis, Efthimios, Hattori, Nobutaka, Ogaki, Kotaro, Wauters, Eline, Zhao, Yi, Aasly, Jan, Valente, Enza Maria, Petrucci, Simona, Annesi, Grazia, Quattrone, Aldo, Ferrarese, Carlo, Brighina, Laura, Deutschländer, Angela, Puschmann, Andreas, Gijselinck, Ilse, Nilsson, Christer, Garraux, Gaëtan, LeDoux, Mark S, Pfeiffer, Ronald F, Boczarska-Jedynak, Magdalena, Opala, Grzegorz, Maraganore, Demetrius M, Engelborghs, Sebastiaan, De Deyn, Peter Paul, Cras, Patrick, Smolders, Stefanie, Cruts, Marc, Consortium, GEO-PD, Farrer, Matthew J, Aasly, Jan O, Elbaz, Alexis, Ioannidis, John P, Annesi, Grazie, Crosiers, David, Bozi, Maria, Curie, Marie, Carmine-Belin, Andrea, Carr, Jonathan, Carroll, Camille, Chen, Sheng-Di, Cosentino, Carlos, Cresswell, Silke, Corsmit, Ellen, Deutschlaender, Angela, Foroud, Tatiana, Goldwurm, Stefano, Hadjigeorgiou, George, Chartier-Harlin, Marie-Christine, Hassan, Anhar, Hentati, Faycal, Elinck, Ellen, Jeon, Beom Seok, Kawakami, Hideshi, Kim, Yun Joong, Kishore, Asha, Koks, Sulev, Krainc, Dimitri, Krygowska-Wajs, Anna, Lin, Juei-Jueng, Lynch, Tim, Sharma, Manu, Mellick, George, Morrison, Karen E, Munhoz, Renato P, Pastor, Pao, Payami, Haydeh, Pchelina, Sofya N, Petersburg, Saint, Petersen, Maria Skaalum, Theuns, J, Verstraeten, A, Sleegers, K, Wauters, E, Gijselinck, I, Smolders, S, Crosiers, D, Corsmit, E, Elinck, E, Sharma, M, Krüger, R, Lesage, S, Brice, A, Chung, S, Kim, M, Kim, Y, Ross, O, Wszolek, Z, Rogaeva, E, Xi, Z, Lang, A, Klein, C, Weissbach, A, Mellick, G, Silburn, P, Hadjigeorgiou, G, Dardiotis, E, Hattori, N, Ogaki, K, Tan, E, Zhao, Y, Aasly, J, Valente, E, Petrucci, S, Annesi, G, Quattrone, A, Ferrarese, C, Brighina, L, Deutschländer, A, Puschmann, A, Nilsson, C, Garraux, G, Ledoux, M, Pfeiffer, R, Boczarska Jedynak, M, Opala, G, Maraganore, D, Engelborghs, S, De Deyn, P, Cras, P, Cruts, M, Van Broeckhoven, C, Clinical sciences, Neurology, Physiotherapy, Human Physiology and Anatomy, and Pathologic Biochemistry and Physiology
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Male ,Pathology ,Parkinson's disease ,Internationality ,Gastroenterology ,Cohort Studies ,0302 clinical medicine ,C9orf72 ,genetics [Parkinson Disease] ,dna repeat expansion ,Amyotrophic lateral sclerosis ,Family history ,Parkinson Disease/ diagnosis/epidemiology/ genetics ,Proteins/ genetics ,Medicine(all) ,0303 health sciences ,Frontotemporal lobar degeneration ,Middle Aged ,3. Good health ,c9orf72 protein ,cohort studies ,female ,humans ,internationality ,male ,middle aged ,parkinson disease ,proteins ,Neurology ,repeat-primed ,Proteins/genetics ,Cohort studies ,Female ,epidemiology [Parkinson Disease] ,diagnosis [Parkinson Disease] ,medicine.medical_specialty ,short tandem repeat ,genetics [DNA Repeat Expansion] ,Article ,DNA Repeat Expansion/genetics ,03 medical and health sciences ,Internal medicine ,medicine ,Humans ,ddc:610 ,030304 developmental biology ,DNA Repeat Expansion/ genetics ,C9orf72 Protein ,business.industry ,Parkinson Disease/diagnosis ,Proteins ,medicine.disease ,genetics [Proteins] ,Genetic epidemiology ,Genetic Epidemiology of Parkinson's Disease ,Attributable risk ,Etiology ,Human medicine ,Neurology (clinical) ,C9orf72 protein, human ,business ,030217 neurology & neurosurgery - Abstract
Objectives: The objective of this study is to clarify the role of (G 4 C 2 ) n expansions in the etiology of Parkinson disease (PD) in the worldwide multicenter Genetic Epidemiology of Parkinson9s Disease (GEO-PD) cohort. Methods: C9orf72 (G 4 C 2 ) n repeats were assessed in a GEO-PD cohort of 7,494 patients diagnosed with PD and 5,886 neurologically healthy control individuals ascertained in Europe, Asia, North America, and Australia. Results: A pathogenic (G 4 C 2 ) n>60 expansion was detected in only 4 patients with PD (4/7,232; 0.055%), all with a positive family history of neurodegenerative dementia, amyotrophic lateral sclerosis, or atypical parkinsonism, while no carriers were detected with typical sporadic or familial PD. Meta-analysis revealed a small increase in risk of PD with an increasing number of (G 4 C 2 ) n repeats; however, we could not detect a robust association between the C9orf72 (G 4 C 2 ) n repeat and PD, and the population attributable risk was low. Conclusions: Together, these findings indicate that expansions in C9orf72 do not have a major role in the pathogenesis of PD. Testing for C9orf72 repeat expansions should only be considered in patients with PD who have overt symptoms of frontotemporal lobar degeneration/amyotrophic lateral sclerosis or apparent family history of neurodegenerative dementia or motor neuron disease.
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- 2014
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16. Non-Replication of Association for Six Polymorphisms From Meta-Analysis of Genome-Wide Association Studies of Parkinson's Disease: Large-Scale Collaborative Study
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Peter A. Silburn, Grazia Annesi, Aldo Quattrone, Christine Van Broeckhoven, Evangelos Evangelou, Nancy L. Pedersen, George D. Mellick, Alexis Brice, Demetrius M. Maraganore, Eng-King Tan, Jean-Charles Lambert, Karin Wirdefeldt, Carlo Ferrarese, Rejko Krueger, Alexis Elbaz, Katerina Markopoulou, Laura Brighina, Georgios M. Hadjigeorgiou, John P. A. Ioannidis, Suzanne Lesage, Bram Meeus, Manu Sharma, Clinical and Molecular Epidemiology Unit, Department of Hygiene and Epidemiology, University of Ioannina, Institute of Microbiology, Université de Lausanne = University of Lausanne (UNIL), Department of Neurology, Mayo Clinic College of Medicine, Institute of Neurological Sciences, National Research Council [Italy] (CNR), Section of Neurology, Università degli Studi di Milano-Bicocca = University of Milano-Bicocca (UNIMIB)-San Gerardo Hospital of Monza, Neurologie et thérapeutique expérimentale, Université Pierre et Marie Curie - Paris 6 (UPMC)-IFR70-Institut National de la Santé et de la Recherche Médicale (INSERM), Neuroépidémiologie, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratory of Neurogenetics, Deparment of Neurology, University of Thessaly [Volos] (UTH), Institute of Biomedical Research & Technology, CERETETH, University Hospital Tuebingen-Hertie Institute for Clinical Brain Research, Epidémiologie des maladies chroniques : impact des interactions gène environnement sur la santé des populations, Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille, Droit et Santé, Eskitis Institute for Cell and Molecular Therapies, Griffith University [Brisbane], Neurodegenerative Brain Diseases Group, VIB, Laboratory of Neurogenetics, Born-Bunge Institute [Anvers], University of Antwerp (UA), Department of Medical Epidemiology and Biostatistics (MEB), Karolinska Institutet [Stockholm], Institute of Neurology, Università degli Studi 'Magna Graecia' di Catanzaro = University of Catanzaro (UMG), Duke-NUS Medical School [Singapore], Singapore General Hospital-National Neuroscience Institute, Biomedical Research Institute, Foundation for Research and Technology - Hellas (FORTH), Institute for Clinical Research and Health Policy Studies, Tufts Universiy, Inserm, MSA, Agence Nationale de la Recherche, Agence Francaise de Securite Sanitaire de l'Environnement et du Travail, France Parkinson, FIRB 2003 GENOPOLIS Project, National Institutes of Health (NIH) 2R01 ES10751 ES10758 AG 08724, Michael J. Fox Grants, Swedish Medical Research Council, Swedish Society of Medicine, Parkinson Foundation in Sweden, VIB Genetic Service Facility, The Biobank of the Institute Born-Bunge, Fund for Scientific Research Flanders Institute for Science and Technology - Flanders (IWT-V), Foundation for Alzheimer Research (SAO/FRMA), Interuniversity Attraction Poles Program P6/43 of the Belgian Science Policy Office, Belgium, Genetic Epidemiology of Parkinson's Disease (GEOPD) Consortium, Evangelou, E, Maraganore, D, Annesi, G, Brighina, L, Brice, A, Elbaz, A, Ferrarese, C, Hadjigeorgiou, G, Krueger, R, Lambert, J, Lesage, S, Markopoulou, K, Mellick, G, Meeus, B, Pedersen, N, Quattrone, A, Van Broeckhoven, C, Sharma, M, Silburn, P, Tan, E, Wirdefeldt, K, Ioannidis, J, Genetic Epidemiology of Parkinson's Disease, C, University of Ioannina Medical School, Université de Lausanne (UNIL), Università degli Studi di Milano-Bicocca [Milano] (UNIMIB)-San Gerardo Hospital, Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR70-Université Pierre et Marie Curie - Paris 6 (UPMC), Università degli Studi 'Magna Graecia' di Catanzaro [Catanzaro, Italie] (UMG), Theuns, Jessie, Crosiers, David, Pals, Philippe, Engelborghs, Sebastiaan, De Deyn, Peter Paul, Cras, Patrick, et al., Genetic Epidemiology of Parkinson's Disease Consortium, Sutherland, G.T., Siebert, G.A., Theuns, J., Crosiers, D., Pickut, B., Pals, P., Engelborghs, S., Nuytemans, K., De Deyn, P.P., Cras, P., Agid, Y., Bonnet, A.M., Borg, M., Brice, A., Broussolle, E., Damier, P., Destée, A., Dürr, A., Durif, F., Lesage, S., Lohmann, E., Pollak, P., Rascol, O., Tison, F., Tranchant, C., Viallet, F., Vidailhet, M., Tzourio, C., Amouyel, P., Loriot, M.A., Gasser, T., Riess, O., Berg, D., Schulte, C., Klein, C., Djarmati, A., Lohmann, K., Xiromerisiou, G., Dardiotis, E., Kountra, P., Hattori, N., Tomiyama, H., Funayama, M., Yoshino, H., Li, Y., Valente, E.M., Ferraris, A., Bentivoglio, A.R., Ialongo, T., Riva, C., Corradi, B., Opala, G., Jasinska-Myga, B., Klodowska-Duda, G., Boczarska-Jedyna, M., Belin, A., Olson, L., Galter, D., Westerlund, M., Sydow, O., Nilsson, C., Puschmann, A., Maraganore, D.M., Ahlskog, J.E., de Andrade, M., Lesnick, T.G., Rocca, W.A., Checkoway, H., Savasta, Marc, and Pathologic Biochemistry and Physiology
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medicine.medical_specialty ,Parkinson Disease/*genetics ,Parkinson's disease ,Single-nucleotide polymorphism ,Genome-wide association study ,challenges ,Polymorphism, Genetic ,Biology ,Article ,03 medical and health sciences ,Cellular and Molecular Neuroscience ,0302 clinical medicine ,Replication (statistics) ,MESH: Polymorphism, Genetic ,medicine ,Humans ,Meta-analysi ,[SDV.NEU] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC] ,Genome-Wide Association Study ,Parkinson Disease/genetics ,uncertainty ,Genetics (clinical) ,030304 developmental biology ,Medicine(all) ,Genetics ,0303 health sciences ,Genome-wide association ,MESH: Humans ,axon guidance ,pathway ,Parkinson Disease ,Odds ratio ,Random effects model ,meta-analysis ,Psychiatry and Mental health ,Genetic epidemiology ,Meta-analysis ,MESH: Genome-Wide Association Study ,parkinson's disease ,genome-wide association ,Medical genetics ,[SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC] ,Human medicine ,heterogeneity ,030217 neurology & neurosurgery ,MESH: Parkinson Disease - Abstract
Early genome-wide association (GWA) studies on Parkinson's disease (PD) have not been able to yield conclusive, replicable signals of association, perhaps due to limited sample size. We aimed to investigate whether association signals derived from the meta-analysis of the first two GWA investigations might be replicable in different populations. We examined six single-nucleotide polymorphisms (SNPs) (rs1000291, rs1865997, rs2241743, rs2282048, rs2313982, and rs3018626) that had reached nominal significance with at least two of three different strategies proposed in a previous analysis of the original GWA studies. Investigators from the "Genetic Epidemiology of Parkinson's Disease" (GEOPD) consortium were invited to join in this study. Ten teams contributed replication data from 3,458 PD cases and 3,719 controls. The data from the two previously published GWAs (599 PD cases, 592 controls and 443 sibling pairs) were considered as well. All data were synthesized using both fixed and random effects models. The summary allelic odds ratios were ranging from 0.97 to 1.09 by random effects, when all data were included. The summary estimates of the replication data sets (excluding the original GWA data) were very close to 1.00 (range 0.98-1.09) and none of the effects were nominally statistically significant. The replication data sets had significantly different results than the GWA data. Our data do not support evidence that any of these six SNPs reflect susceptibility markers for PD. Much stronger signals of statistical significance in GWA platforms are needed to have substantial chances of replication. Specifically in PD genetics, this would require much larger GWA studies and perhaps novel analytical techniques. (C) 2009 Wiley-Liss, Inc. American Journal of Medical Genetics Part B-Neuropsychiatric Genetics
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- 2010
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