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Efficient and Scalable Production of Full-length Human Huntingtin Variants in Mammalian Cells using a Transient Expression System
Published on: December 10, 2021
Juvenile Huntington disease.
Nimeshan Geevasinga1, Fiona H Richards, Kristi J Jones
1T.Y. Nelson Department of Neurology and Neurosurgery, Children's Hospital at Westmead, NSW, Australia.
Journal of Paediatrics and Child Health
|August 24, 2006
Summary
Huntington disease (HD) is a genetic neurodegenerative disorder. This case highlights delayed diagnosis of juvenile HD due to underestimating family history and key clinical signs.
Area of Science:
- Genetics
- Neuroscience
- Neurology
Background:
- Huntington disease (HD) is an autosomal dominant neurodegenerative disorder.
- It is caused by an expanded CAG triplet repeat in the huntingtin gene on chromosome 4.
- Adult-onset HD typically manifests as chorea and personality changes, while juvenile HD presents with parkinsonism, dystonia, and seizures.
Observation:
- A case of juvenile Huntington disease with extreme anticipation is presented.
- Diagnosis was delayed due to overlooking the significance of family history.
- Characteristic clinical and radiologic features were initially not recognized.
Findings:
- Juvenile Huntington disease can present atypically, leading to diagnostic challenges.
- Extreme anticipation, a phenomenon where the disease severity increases with successive generations, was observed.
- Failure to integrate family history with clinical and radiological findings contributed to the diagnostic delay.
Implications:
- Emphasizes the importance of a thorough family history in diagnosing rare neurological disorders.
- Highlights the need for increased awareness of juvenile Huntington disease presentations.
- Suggests that early recognition of characteristic features can prevent diagnostic delays in neurodegenerative conditions.
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