Abstract
Analysis of transgenic mice expressing familial amyotrophic lateral sclerosis (ALS)–linked mutations in the enzyme superoxide dismutase (SOD1) have shown that motor neuron death arises from a mutant-mediated toxic property or properties. In testing the disease mechanism, both elimination and elevation of wild-type SOD1 were found to have no effect on mutant-mediated disease, which demonstrates that the use of SOD mimetics is unlikely to be an effective therapy and raises the question of whether toxicity arises from superoxide-mediated oxidative stress. Aggregates containing SOD1 were common to disease caused by different mutants, implying that coaggregation of an unidentified essential component or components or aberrant catalysis by misfolded mutants underlies a portion of mutant-mediated toxicity.
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- We are grateful to L. B. Corson for critical reading of the manuscript and to H. Hwang for her technical assistance. This work was supported by grants to D.W.C. from NIH (NS 27036) and the ALS Association. L.I.B. was supported by a postdoctoral fellowship from the Muscular Dystrophy Association. Salary support for D.W.C. is provided by the Ludwig Institute for Cancer Research. S.K. is supported by a Grant-in-Aid for Scientific Research (09680744) from the Ministry of Education Science Sports and Culture of Japan.
Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 27, 2002, 5:43 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 10:28 p.m.) |
Indexed | 10 hours, 33 minutes ago (Aug. 31, 2025, 7:11 p.m.) |
Issued | 26 years, 11 months ago (Sept. 18, 1998) |
Published | 26 years, 11 months ago (Sept. 18, 1998) |
Published Print | 26 years, 11 months ago (Sept. 18, 1998) |
@article{Bruijn_1998, title={Aggregation and Motor Neuron Toxicity of an ALS-Linked SOD1 Mutant Independent from Wild-Type SOD1}, volume={281}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.281.5384.1851}, DOI={10.1126/science.281.5384.1851}, number={5384}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Bruijn, Lucie I. and Houseweart, Megan K. and Kato, Shinsuke and Anderson, Karen L. and Anderson, Scott D. and Ohama, Eisaku and Reaume, Andrew G. and Scott, Rick W. and Cleveland, Don W.}, year={1998}, month=sep, pages={1851–1854} }