期刊
NEURODEGENERATIVE DISEASES
卷 4, 期 5, 页码 386-391出版社
KARGER
DOI: 10.1159/000105160
关键词
LRRK2; Parkinson's disease; dardarin encoding; mutation
资金
- NATIONAL INSTITUTE ON AGING [ZIAAG000957, Z01AG000957] Funding Source: NIH RePORTER
- Intramural NIH HHS Funding Source: Medline
Background. Recently, mutations in LRRK2 encoding the protein dardarin have been linked to an autosomal dominant form of parkinsonism. Objective: To identify mutations causing Parkinson's disease (PD) in a cohort of North Americans with familial PD. Methods: We sequenced exons 1-51 of LRRK2 in 79 unrelated North American PD patients reporting a family history of the disease. Results: One patient had a missense mutation (Thr2356IIe) while two others had the common Gly2019Ser mutation. In addition, I patient had a 4-bp deletion in close proximity to the exon 19 splice donor (IVS20+4delGTAA) that in vitro abrogates normal splicing. Conclusions: Our observations in the 79 North American patients indicate that mutations in LRRK2 are associated with approximately 5% of PD cases with a positive family history. The results also show that G2019S represents approximately half of the LRRK2 mutations in United States PD cases with a family history of the disease. We have identified two novel mutations in LRRK2. Copyright (c) 2007 S. Karger AG, Basel.
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