Please use this identifier to cite or link to this item: https://doi.org/10.1093/hmg/ddi376
Title: Comprehensive evaluation of common genetic variation within LRRK2 reveals evidence for association with sporadic Parkinson's disease
Authors: Skipper L.
Li Y.
Bonnard C.
Pavanni R. 
Yih Y.
Chua E.
Sung W.-K. 
Tan L. 
Wong M.-C. 
Tan E.-K. 
Liu J. 
Issue Date: 2005
Publisher: Oxford University Press
Citation: Skipper L., Li Y., Bonnard C., Pavanni R., Yih Y., Chua E., Sung W.-K., Tan L., Wong M.-C., Tan E.-K., Liu J. (2005). Comprehensive evaluation of common genetic variation within LRRK2 reveals evidence for association with sporadic Parkinson's disease. Human Molecular Genetics 14 (23) : 3549-3556. ScholarBank@NUS Repository. https://doi.org/10.1093/hmg/ddi376
Abstract: Parkinson's disease (PD) is a complex neurodegenerative disorder whose aetiologies are largely unknown. To date, mutations in six genes have been found causal for some rare familial forms of the disease and common variation within at least three of these is associated with the more common sporadic forms of PD. LRRK2 is the most recently identified familial PD gene, although its role in sporadic disease is unknown. In this study, we have performed the first comprehensive evaluation of common genetic variation within LRRK2 and investigated its contribution to risk of sporadic PD. We first characterized the linkage disequilibrium within LRRK2 using a panel of densely spaced SNPs across the gene. We then identified a subset of tagging-SNPs (tSNP) that capture the majority of common variation within LRRK2. Both single tSNP and tSNP haplotype analyses, using a large epidemiologically matched sporadic case-control series comprising 932 individuals, yielded significant evidence for disease association. We identified a haplotype that dramatically increases disease risk when present in two copies (OR = 5.5, 95%CI = 2.1-14.0, P = 0.0001). Thus, we provide the first evidence that common genetic variation within LRRK2 contributes to the risk of sporadic PD in the Chinese population. © The Author 2005. Published by Oxford University Press. All rights reserved.
Source Title: Human Molecular Genetics
URI: http://scholarbank.nus.edu.sg/handle/10635/150224
ISSN: 09646906
DOI: 10.1093/hmg/ddi376
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