期刊
NEUROMUSCULAR DISORDERS
卷 16, 期 6, 页码 387-390出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nmd.2006.03.009
关键词
hereditary spastic paraplegia; spastin; SPG4; DHPLC
Spastic paraplegia type 4 is caused by mutations in the gene that encodes spastin (SPG4), a member of the AAA protein family. A cohort of 34 unrelated Italian patients with pure spastic paraplegia, of which 18 displayed autosomal dominant inheritance and 16 were apparently sporadic, were screened for mutations in the SPG4 gene by denaturing high performance liquid chromatography. We identified a previously reported mutation in a sporadic patient with pure hereditary spastic paraplegia. We also identified eight unrelated patients with pure autosomal dominant hereditary spastic paraplegia carrying five novel mutations in the SPG4 gene (one missense mutation, c. 1304 C > T; one nonsense mutation, c.807C > A; two frameshift mutations, c. 128 1 dupT, c. 1514_1515insATA; and one splicing mutation, c. 1322-2A > C). The frequency for SPG4 mutations detected in autosomal dominant hereditary spastic paraplegia was 44.4%. This study contributes to expand the spectrum of SPG4 mutations in Italian population. (C) 2006 Elsevier B.V. All rights reserved.
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