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Transgenic models of Huntington's disease
G P Bates1, L Mangiarini, A Mahal
1Medical and Molecular Genetics, UMDS, Guy's Hospital, London, UK. g.bates@umds.ac.uk
Human Molecular Genetics
|January 1, 1997
Summary
CAG/polyglutamine expansion causes inherited neurodegenerative diseases through a dominant gain of function. Mouse models offer promise for understanding disease mechanisms and developing therapies for these conditions.
Area of Science:
- Genetics
- Neuroscience
- Molecular Biology
Background:
- CAG/polyglutamine expansion is the molecular basis for numerous inherited neurodegenerative diseases.
- The exact mechanisms of neuronal dysfunction and cell death remain unknown.
- Proteins with polyglutamine tracts are unrelated and widely expressed, yet neurodegeneration is cell-specific.
Purpose of the Study:
- To investigate the molecular basis of CAG/polyglutamine expansion disorders.
- To understand the cell-specific neurodegeneration.
- To unravel the mechanisms behind CAG repeat instability and tissue specificity.
Main Methods:
- Utilizing newly developed mouse models of CAG/polyglutamine disorders.
- Modeling pathogenic mechanisms in mice.
- Investigating CAG repeat instability in vivo.
Main Results:
- Mouse models allow for the study of both pathogenic mechanisms and CAG repeat instability.
- Potential to uncover the molecular basis of these neurodegenerative diseases.
- Development of therapeutic interventions may be facilitated.
Conclusions:
- CAG/polyglutamine expansion disorders are a significant area of inherited neurodegenerative disease research.
- Mouse models are crucial tools for dissecting disease pathogenesis and instability.
- Future research holds promise for therapeutic breakthroughs.