Genome-wide association study reveals genetic risk underlying Parkinson's disease
Copyright policy )Genome-wide association study reveals genetic risk underlying Parkinson's disease
We performed a genome-wide association study (GWAS) in 1,713 individuals of European ancestry with Parkinson's disease (PD) and 3,978 controls. After replication in 3,361 cases and 4,573 controls, we observed two strong association signals, one in the gene encoding alpha-synuclein (SNCA; rs2736990, OR = 1.23, P = 2.24 x 10(-16)) and another at the MAPT locus (rs393152, OR = 0.77, P = 1.95 x 10(-16)). We exchanged data with colleagues performing a GWAS in Japanese PD cases. Association to PD at SNCA was replicated in the Japanese GWAS, confirming this as a major risk locus across populations. We replicated the effect of a new locus detected in the Japanese cohort (PARK16, rs823128, OR = 0.66, P = 7.29 x 10(-8)) and provide supporting evidence that common variation around LRRK2 modulates risk for PD (rs1491923, OR = 1.14, P = 1.55 x 10(-5)). These data demonstrate an unequivocal role for common genetic variants in the etiology of typical PD and suggest population-specific genetic heterogeneity in this disease.
- University of Mary United States
- ENVIRONMENTAL HEALTH SCIENCES
- Baylor College of Medicine United States
- National Institute of Health Pakistan
- Pennsylvania State University United States
Genetic Variation, Parkinson Disease, Article, Cohort Studies, Gene Frequency, Japan, genetics [Parkinson Disease], Risk Factors, Medicine and Health Sciences, Humans, Genetic Predisposition to Disease, epidemiology [Parkinson Disease], Genome-Wide Association Study, ddc: ddc:570
Genetic Variation, Parkinson Disease, Article, Cohort Studies, Gene Frequency, Japan, genetics [Parkinson Disease], Risk Factors, Medicine and Health Sciences, Humans, Genetic Predisposition to Disease, epidemiology [Parkinson Disease], Genome-Wide Association Study, ddc: ddc:570
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