Cited by 166Genetic Neurodegenerative DiseasesNeuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental Disorders

Synaptic dysfunction in Huntington's disease: a new perspective

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Smith, R., Brundin, P., Li, J.-Y.·2005·Cellular and Molecular Life Sciences

Abstract

Huntington's disease (HD) is caused by a polyglutamine expansion in the protein huntingtin and is characterized by intraneuronal inclusions and widespread neuronal death at the late stage of the disease. In research, most of the emphasis has been on understanding the cell death and its mechanisms. Until recently, it was believed that the vast majority, if not all, of the symptoms in HD are a direct consequence of neurodegeneration. However, increasing evidence shows that subtle alterations in synaptic function could underlie the early symptoms. It is of particular interest to understand the nature of this neuronal dysfunction. Normal huntingtin interacts with various cytoskeletal and synaptic vesicle proteins that are essential for exocytosis and endocytosis. Altered interactions of mutant huntingtin with its associated partners could contribute to abnormal synaptic transmission in HD. This review describes recent advances in understanding synaptic dysfunction in HD.

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Crossref · 10.1007/s00018-005-5084-5

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Authors
Smith, R., Brundin, P., & Li, J.-Y.
Affiliations
Lund University (SE)
Corresponding author
Li, J.-Y.
Venue
Cellular and Molecular Life Sciences
Published
2005-06-15
Volume
62
Issue
17
Pages
1901-1912
ISSN
  • 1420-682X (ISSN-L)
  • 1420-9071
OpenAlex
W2132164151
Cited by
166
References
132
Citations by year
2026: 2 · 2025: 3 · 2023: 4 · 2022: 5 · 2021: 7 · 2020: 8 · 2019: 4 · 2018: 10 · 2017: 8 · 2016: 10 · 2015: 4 · 2014: 10 · 2013: 10 · 2012: 12
FWCI
3.87
Type
journal article
Language
en
Open access
Locations
  • Cellular and Molecular Life Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
Huntington's disease, synaptic dysfunction, huntingtin, polyglutamine expansion, mutant huntingtin, synaptic vesicle proteins, exocytosis, endocytosis, synaptic transmission, neurodegeneration, neuronal dysfunction
MeSH terms
Huntingtin Protein, Animals, Brain, Exocytosis, Humans, Huntington Disease, Mutation, Nerve Tissue Proteins, Synaptic Transmission, Nuclear Proteins, Synapses, Transcription, Genetic, Models, Animal

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