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Mov Disord. 2008 Oct 30;23(14):2074-9. doi: 10.1002/mds.22156.

Mutation analysis of Parkin, PINK1, DJ-1 and ATP13A2 genes in Chinese patients with autosomal recessive early-onset Parkinsonism.

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  • 1Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.

Abstract

Autosomal recessive early-onset Parkinsonism (AREP) has been associated with mutations in the Parkin, PINK1, DJ-1, and ATP13A2 genes. We studied the prevalence of mutations in all four genes in 29 Chinese unrelated families with AREP using direct sequencing analysis and real-time quantitative PCR analysis assay. There are 14 families (48.3%) with mutations of Parkin gene, 2 families (6.9%) with mutations of PINK1 gene, and 1 family (3.4%) with mutation of DJ-1 gene. No pathogenic mutations in ATP13A2 gene were found in these families. Three Parkin gene mutations (c.G859T, c.1069-1074delGTGTCC, and c.T1422C) and one DJ-1 gene mutation (c.T29C) have not been reported previously. In conclusion, Parkin gene mutation is the most common pathogenic factor in Chinese patients with AREP. Mutations of DJ-1 and PINK1 gene are also found in Chinese families with AREP. Mutations in ATP13A2 gene may be rare in Chinese families with AREP.

(c) 2008 Movement Disorder Society.

PMID:
18785233
[PubMed - indexed for MEDLINE]
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