Intracellular inclusions, pathological markers in diseases caused by expanded polyglutamine tracts?
Intracellular inclusions, pathological markers in diseases caused by expanded polyglutamine tracts?
The largest group of currently known trinucleotide repeat diseases is caused by (CAG)n repeat expansions. These (CAG)n repeats are translated into polyglutamine tracts from both mutant and wild type alleles. Genetic and transgenic mouse data suggest that the expanded polyglutamines cause disease by conferring a novel deleterious gain of function on the mutant protein. These mutations are associated with the formation of intracellular inclusions. This review will consider findings from necropsy studies of human patients and transgenic mouse models of these diseases, along with in vitro models, in order to try to synthesise the current understanding of these diseases and the evidence for and against inclusion formation as a primary mechanism leading to pathology.
intracellular inclusions, polyglutamine, Huntington's disease, spinocerebellar ataxia
265-270
Rubinsztein, D.C.
7bc49386-aa67-4658-a966-0d952e6fd731
Wyttenbach, A.
69846a0f-fb60-4a28-84eb-ed865a5e31fa
Rankin, J.
f46fdd1f-6006-4a21-ace2-b4d8d8c85c20
April 1999
Rubinsztein, D.C.
7bc49386-aa67-4658-a966-0d952e6fd731
Wyttenbach, A.
69846a0f-fb60-4a28-84eb-ed865a5e31fa
Rankin, J.
f46fdd1f-6006-4a21-ace2-b4d8d8c85c20
Rubinsztein, D.C., Wyttenbach, A. and Rankin, J.
(1999)
Intracellular inclusions, pathological markers in diseases caused by expanded polyglutamine tracts?
Journal of Medical Genetics, 36 (4), .
(doi:10.1136/jmg.36.4.265).
Abstract
The largest group of currently known trinucleotide repeat diseases is caused by (CAG)n repeat expansions. These (CAG)n repeats are translated into polyglutamine tracts from both mutant and wild type alleles. Genetic and transgenic mouse data suggest that the expanded polyglutamines cause disease by conferring a novel deleterious gain of function on the mutant protein. These mutations are associated with the formation of intracellular inclusions. This review will consider findings from necropsy studies of human patients and transgenic mouse models of these diseases, along with in vitro models, in order to try to synthesise the current understanding of these diseases and the evidence for and against inclusion formation as a primary mechanism leading to pathology.
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Published date: April 1999
Keywords:
intracellular inclusions, polyglutamine, Huntington's disease, spinocerebellar ataxia
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Local EPrints ID: 56768
URI: http://eprints.soton.ac.uk/id/eprint/56768
ISSN: 0022-2593
PURE UUID: 4ce8834e-fb2e-4d0e-a5a3-524dd511b3aa
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Date deposited: 22 Aug 2008
Last modified: 15 Mar 2024 11:03
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Author:
D.C. Rubinsztein
Author:
A. Wyttenbach
Author:
J. Rankin
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