Alpha-synuclein repeat variants and survival in parkinson's disease

Chung, S. J.; Biernacka, J. M.; Armasu, S. M.; Anderson, K.; Frigerio, R.; Aasly, J. O.; Annesi, G.; Bentivoglio, A. R.; Brighina, L.; Chartier-Harlin, M. C.; Goldwurm, S.; Hadjigeorgiou, G.; Jasinska-Myga, B.; Jeon, B. S.; Kim, Y. J.; Krüger, R.; Lesage, S.; Markopoulou, K.; Mellick, G.; Morrison, K. E.; Puschmann, A.; Tan, E. K.; Crosiers, D.; Theuns, J.; Van Broeckhoven, C.; Wirdefeldt, K.; Wszolek, Z. K.; Elbaz, A.; Maraganore, D. M.; Yahalom, G.; Orlev, Y.; Cohen, O. S.; Kozlova, E.; Friedman, E.; Inzelberg, R.; Hassin-Baer, S.

Datum

2014

DOI

10.1002/mds.25841

Zur Langanzeige

Zusammenfassung

Objectives: To determine whether α-synuclein dinucleotide repeat (REP1) genotypes are associated with survival in Parkinson's disease (PD). Methods: Investigators from the Genetic Epidemiology of Parkinson's Disease Consortium provided REP1 genotypes and baseline and follow-up clinical data for cases. The primary outcome was time to death. Cox proportional hazards regression models were used to assess the association of REP1 genotypes with survival. Results: Twenty-one sites contributed data for 6,154 cases. There was no significant association between α-synuclein REP1 genotypes and survival in PD. However, there was a significant association between REP1 genotypes and age at onset of PD (hazard ratio: 1.06; 95% confidence interval: 1.01-1.10; P value=0.01). Conclusions: In our large consortium study, α-synuclein REP1 genotypes were not associated with survival in PD. Further studies of α-synuclein's role in disease progression and long-term outcomes are needed. © 2014 International Parkinson and Movement Disorder Society.

URI

http://hdl.handle.net/11615/26727

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