Polymorphism in the parkin gene in sporadic Parkinson's disease.
case_control · Level III
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Abstract
We report polymorphism of the parkin gene in 160 sporadic Parkinson's disease (PD) patients and controls. Three polymorphisms were found: a G-to-A transition in exon 4 (S/N167), a C-to-T transition in exon 10 (R/W366), and a G-to-C transition in exon 10 (V/L380). Genotype distributions and allele frequencies of S/N167 and V/L380 did not differ significantly between the two groups. The R/W366 allele frequency was significantly lower in PD patients (1.2 vs 4.4%). The level of protection from PD provided by this allele was 3.60 (95% CI; range, 0.45-6.50), suggesting that it may be a protective factor against PD.
Medical subject headings
- Ligases
- Parkinson Disease
- Polymorphism, Genetic
- Proteins
- Ubiquitin-Protein Ligases