期刊
BRAIN RESEARCH
卷 1296, 期 -, 页码 113-116出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2009.08.047
关键词
Parkinson's disease; LRRK2 R1628P; Single nucleotide polymorphism; Case-control study
资金
- National Natural Science Foundation of China [30700243]
- Doctoral Program of Higher Education [20070610163]
Common genetic variants that increase the risk for Parkinson's disease (PD) may differentiate patient subgroups and influence future individual therapeutic strategies. Previous studies have found associations between PD and polymorphisms located within the leucine-rich repeat kinase 2 (LRRK2) gene in ethnic Han Chinese from Taiwan and Singapore. Herein, we performed a case-control study and provide evidence supporting the LRRK2 R1628P variant as a risk factor for PD in 2 separate Chinese Han populations from mainland China. A total of 328 PD patients and 300 control individuals were genotyped using PCR-restriction fragment length polymorphism analysis. Differences in genotype frequencies between groups were assessed by the chi-square test. In the PD group, 17 patients (5.2%) were heterozygous for the R1628P variant. This was significantly higher than for the control group [2.0%, P<0.05]. No one carrier of the LRRK2 G2385R variant was detected in all the carriers of the R1628P variant. Our results confirm that the LRRK2 R1628P variant contributes to the pathogenesis of PD in Chinese Han populations. (C) 2009 Elsevier B.V. All rights reserved.
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