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Lookup NU author(s): Professor Robert Taylor, Christopher Hayes, Emerita Professor Katherine Bushby, Emeritus Professor Doug Turnbull, Professor Pamela Shaw
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Following the association of hereditary spastic paraparesis (HSP) with mutation in the paraplegin gene (SPG7) and mitochondrial dysfunction, we wished to investigate whether mitochondrial dysfunction might be associated with other forms of HSP. Five cases of HSP caused by mutation in the spastin gene (SPG4) and nine cases with HSP with mutation in the spastin and paraplegin genes excluded (non-SPG4/SPG7), were investigated for mitochondrial dysfunction. Muscle tissue from the HSP groups and a control group was analysed histochemically and spectrophotometrically for mitochondrial dysfunction. A significant decrease in mitochondrial respiratory chain complexes I and IV was demonstrated in the non-SPG4/SPG7 group. No abnormality was detected in the SPG4 group. We therefore conclude that there is evidence for mitochondrial dysfunction in non-SPG4/SPG7 HSP. There is no evidence for mitochondrial dysfunction in the pathogenesis of spastin-related HSP. © 2003 Lippincott Williams & Wilkins.
Author(s): McDermott CJ, Taylor RW, Hayes C, Johnson M, Bushby KMD, Turnbull DM, Shaw PJ
Publication type: Article
Publication status: Published
Journal: NeuroReport
Year: 2003
Volume: 14
Issue: 3
Pages: 485-488
ISSN (print): 0959-4965
ISSN (electronic): 1473-558X
Publisher: Lippincott Williams & Wilkins
URL: http://dx.doi.org/10.1097/00001756-200303030-00038
DOI: 10.1097/00001756-200303030-00038
PubMed id: 12634509
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