Journal
NEUROBIOLOGY OF AGING
Volume 33, Issue 5, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.neurobiolaging.2010.07.007
Keywords
Amyotrophic lateral scleros; Clinical features; TARDBP gene; Mutation
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Funding
- West China Hospital of Sichuan University
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Recently, several TARDBP mutations have been identified in sporadic amyotrophic lateral sclerosis (SALS) patients among different ethnicities. Our study aims to analyze the clinical features and mutations in the TARDBP gene among Chinese patients with SALS. One hundred sixty-live patients were studied. The mean age of onset was 50.8 +/- 12.0 years. The mean diagnostic delay was 18.8 +/- 17.1 months. A novel missense mutation (p.N378S) and a novel silent change (p.A321A) were detected in 2 male patients, respectively. A new variant of c.1098C>G in exon 6 and 2 reported variants. g.INS1+85C>T in intron 1 and c.57A>G in exon 2, were found. The frequency of the G variant of c.57A>G in exon 2 and the G variant of c.1098C>G in exon 6 were significantly lower in the patient group than in the control (p=0.001 and p=0.024, respectively). Our findings provide first evidence that the frequency of TARDBP gene mutations is rare among Chinese SALS patients (0.61%). Several polymorphisms may influence susceptibility to amyotrophic lateral sclerosis. (C) 2012 Elsevier Inc. All rights reserved.
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