Motor neuron disease caused by mutations in superoxide dismutase 1

P. C. Wong, D. R. Borchelt

Research output: Contribution to journalReview articlepeer-review

Abstract

A subset of pedigrees with dominant inheritance of familial amyotrophic lateral sclerosis have mutations in superoxide dismutase 1. Initial studies suggested that disease-linked mutations impaired superoxide dismutase 1 activity, which is consistent with the notion that disease results from increased oxidative injury. However, results of recent cell culture and transgenic studies demonstrate that mutant proteins retaining high levels of superoxide dismutase 1 activity cause motor neuron degeneration; elevating the level of wild-type superoxide dismutase 1 does not cause disease. These findings suggest that the familial amyotrophic lateral sclerosis phenotype may occur through other mechanisms that can now be explored in model systems.

Original languageEnglish (US)
Pages (from-to)294-301
Number of pages8
JournalCurrent opinion in neurology
Volume8
Issue number4
DOIs
StatePublished - 1995

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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