Publication year
2013Source
Journal of Neurology, 260, 7, (2013), pp. 1765-9ISSN
Publication type
Article / Letter to editor

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Organization
Neurology
Human Genetics
Journal title
Journal of Neurology
Volume
vol. 260
Issue
iss. 7
Page start
p. 1765
Page end
p. 9
Subject
DCN MP - Plasticity and memory; IGMD 3: Genomic disorders and inherited multi-system disorders; IGMD 3: Genomic disorders and inherited multi-system disorders DCN MP - Plasticity and memoryAbstract
SPG8 is a rare autosomal dominant hereditary spastic paraplegia (AD-HSP), with only six SPG8 families described so far. Our purpose was to screen for KIAA0196 (SPG8) mutations in AD-HSP patients and to investigate their phenotype. Extensive family investigation was performed after positive KIAA0196 mutation analysis, which was part of an on-going mutation screening effort in AD-HSP patients. A novel pathogenic KIAA0196 mutation p.(Gly696Ala) was identified in two AD-HSP patients, who subsequently were shown to belong to a single large Dutch pedigree with more than 10 affected family members. The phenotype consisted of a pure HSP with ages at onset between 20 and 60 years, distally reduced vibration sense in the legs in all, and urinary urgency in seven out of 10 patients. Frequent features were exercise- or emotion-induced increase of spasticity and gait problems and chronic nonspecific lower back and joint pains. We have identified a fourth pathogenic KIAA0196 mutation in a Dutch HSP-family, the seventh family worldwide, with a less severe clinical course than described before.
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- Academic publications [227864]
- Faculty of Medical Sciences [86218]
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