Journal
CLINICAL NEUROLOGY AND NEUROSURGERY
Volume 113, Issue 6, Pages 480-482Publisher
ELSEVIER
DOI: 10.1016/j.clineuro.2011.02.011
Keywords
Hereditary spastic paraplegia; SPG6; NIPA1; Mutation analysis; Chinese
Categories
Funding
- National Basic Research Program of China [2006CB500700]
- National Natural Science Foundations of China [30671151]
- Distinguished Youth Foundations of Hunan province [2007JJ1005]
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Background: Hereditary spastic paraplegia type 6 (SPG6) is caused by mutations in the NIPA1 gene, this is a rare cause of HSP, until now, all the affected individuals reported displayed pure spastic paraplegia. Objectives: To analyze the genotype/phenotype correlation of mutations so far described in NIPA1. Methods: Eighty-six Chinese Han HSP patients were investigated for SPG6 mutations by direct sequencing of the NIPA1 gene. Results: One heterozygous missense mutation c.316G > C/p.G106R was identified in a complicated form of ADHSP family with peripheral nerves disease, and SPG6 mutation in our sample accounted for 3.6% (1/28) of ADHSP families and 1.1% (1/86) of non-ARHSP patients who were negative for SPG4, SPG3A and SPG31 mutations. Conclusions: We report the first complicated case of SPG6 in the world by the presence of peripheral neuropathy, which extends the phenotype initially described. (C) 2011 Elsevier B.V. All rights reserved.
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