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Minute quantities o...
Minute quantities of misfolded mutant superoxide dismutase-1 cause amyotrophic lateral sclerosis
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- Jonsson, Andreas P. (författare)
- Umeå universitet,Klinisk kemi
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- Ernhill, Karin (författare)
- Umeå universitet,Patologi
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- Andersen, Peter M (författare)
- Umeå universitet,Neurologi
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- Bergemalm, Daniel (författare)
- Umeå universitet,Klinisk kemi
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- Brännström, Thomas (författare)
- Umeå universitet,Patologi
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Gredal, Ole (författare)
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Nilsson, Peter (författare)
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- Marklund, Stefan L (författare)
- Umeå universitet,Klinisk kemi
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(creator_code:org_t)
- 2004-01
- 2004
- Engelska.
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Ingår i: Brain. - : Oxford University Press. - 0006-8950 .- 1460-2156. ; 127:Pt 1, s. 73-88
- Relaterad länk:
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Mutant forms of superoxide dismutase-1 (SOD1) cause amyotrophic lateral sclerosis (ALS) by an unknown noxious mechanism. Using an antibody against a novel epitope in the G127insTGGG mutation, mutant SOD1 was studied for the first time in spinal cord and brain of an ALS patient. The level was below 0.5% of the SOD1 level in controls. In corresponding transgenic mice the content of mutant SOD1 was also low, although it was enriched in spinal cord and brain compared with other tissues. In the mice the misfolded mutant SOD1 aggregated rapidly and 20% occurred in steady state as detergent-soluble protoaggregates. The misfolded SOD1 and the protoaggregates form, from birth until death, a potentially noxious burden that may induce the motor neuron injury. Detergent-resistant aggregates, as well as inclusions of mutant SOD1 in motor neurons and astrocytes, accumulated in spinal cord ventral horns of the patient and mice with terminal disease. The inclusions and aggregates may serve as terminal markers of long-term assault by misfolded SOD1 and protoaggregates.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- aggregation
- transgenic mice
- SOD
- motor neuron disease
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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