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Aging and neurodegeneration. Molecular mechanisms of neuronal loss in Huntington's disease
Cited 31 time in
Web of Science
Cited 35 time in Scopus
- Authors
- Issue Date
- 2006-03-11
- Publisher
- Elsevier
- Citation
- Mech Ageing Dev. 2006 May;127(5):432-5. Epub 2006 Mar 9.
- Keywords
- Animals ; Caspases/metabolism ; Enzyme Activation ; Humans ; Huntington Disease/*pathology ; Nerve Tissue Proteins/genetics ; Neurodegenerative Diseases/*pathology ; Neurons/metabolism/*pathology ; Nuclear Proteins/genetics ; Aging ; Nerve Degeneration
- Abstract
- Huntington's disease (HD) is a fatal, genetically based late-onset neurodegenerative disorder in which a loss of neostriatal neurons is a main characteristic. The CAG trinucleotide repeat expansion encoding polyglutamine tract induces progressive deficits in intra- and inter-cellular signalling, and subsequent clinical signs developed with aging process. CAG-induced neurodegeneration and disease-onset shows aging-dependent pattern. Proposed mechanism of neurodegeneration includes intranuclear or intracellular protein aggregates, proteolytic cleavage of huntingtin (cf. caspase, calpain), altered transcription or other neurotransmitter signalling deficits. Recently, stem cell transplantation is of benefit to protect neurons against neurodegeneration and recover the functional deficit in the experimental HD model. This review focuses on current knowledge of molecular mechanisms in neurodegeneration and potential therapeutic targets in HD.
- ISSN
- 0047-6374 (Print)
- Language
- English
- URI
- http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T31-4JF8H6C-2&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=7e999a7bbc23fcd40f019f743bd01b64
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16527334
https://hdl.handle.net/10371/13274
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