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Neurosci Lett. 2010 Jan 22;469(2):256-9. doi: 10.1016/j.neulet.2009.12.007. Epub 2009 Dec 11.

Association between GBA L444P mutation and sporadic Parkinson's disease from Mainland China.

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Department of Neurology, West China Hospital, Sichuan University, Chengdu 610041, Chengdu, China.


Mutations in GBA gene have been reported to be in patients with Parkinson's disease (PD) from different ethnic populations, including Taiwanese Chinese. To explore whether mutation in GBA is also associated with PD in Mainland China, we have now a case control study. The occurrence of the GBA L444P mutation was analyzed in an independent cohort of PD patients and controls from Mainland China. This mutation was present in 20/616 (3.2%) of PD compared with 1/411 (0.2%) of controls (odds ratio, OR=13.76, 95% Confidence interval, CI: 1.84-102.92, p=0.001). All carriers harbored the heterozygous genotype. In a subset analysis, the frequency of this mutation was higher both in early onset (EOPD) and late onset PD (LOPD) than in controls. However, no difference in clinical characteristics, such as gender, age at onset, onset symptoms, Hoehn-Yahr stage and UPDRS, was found between L444P carriers and non-carriers. In addition, we also explored the potential relationship between GBA L444P mutation and LRRK2 G2385R and R1628P variants in patients with PD. But no association was found, either. In conclusion, our data suggest that the GBA L444P mutation plays an important role in the development of PD also in Han-Chinese patients from Mainland China.

[Indexed for MEDLINE]

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