1994
DOI: 10.1002/ana.410360412
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Trinucleotide repeat length and rate of progression of Huntington's disease

Abstract: The Huntington's disease gene contains an expanded unstable (CAG)n repeat, and the repeat lengths have been shown to correlate with the age of onset. Using detailed clinical scales, we evaluated the rate of progression of Huntington's disease and its relationship to the number of triplet repeats. We found significant positive correlation between the rate of progression of clinical symptoms (both neurological and psychiatric) and CAG repeat length. These data suggest an important role of expanded trinucleotide … Show more

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Cited by 89 publications
(42 citation statements)
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References 31 publications
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“…It is in accordance with the fact that the age of clinical manifestation and the rate of progression of the disease seem to depend mainly on the expansion of this gene (number of triplets) [6, 10]. Although patient 2 received the diagnosis 2 years later than patient 1, the baseline motor conditions of both patients were similar, as shown by the UHDRS scores, and did not change during follow-up.…”
Section: Discussionsupporting
confidence: 79%
See 1 more Smart Citation
“…It is in accordance with the fact that the age of clinical manifestation and the rate of progression of the disease seem to depend mainly on the expansion of this gene (number of triplets) [6, 10]. Although patient 2 received the diagnosis 2 years later than patient 1, the baseline motor conditions of both patients were similar, as shown by the UHDRS scores, and did not change during follow-up.…”
Section: Discussionsupporting
confidence: 79%
“…It is already well established that the number of trinucleotide repeats affects the age of onset negatively [7 ]and disease progression [6] positively. However, no correlation with the symptomatology has been observed to date.…”
Section: Introductionmentioning
confidence: 99%
“…In the HD gene a triplet repeat of CAGs which codes for a stretch of glutamines is present in the N-terminal region of the gene with the normal range being up to approximately 35 although this may vary. 1 In HD this repeat sequence is expanded to 36 repeats and above resulting in toxic protein causing the disease. The mutant gene causes neurodegeneration in the brain through a variety of proposed mechanisms such as transcriptional dysregulation, synaptic dysfunction, excitotoxic mechanisms, oxidative stress and energy depletion.…”
Section: Introductionmentioning
confidence: 99%
“…БГ развивается при наличии динамической мутации -аномального увеличения («экспансии») тринуклеотидных цитозин-аденин-гуаниновых (CAG) повторов в первом эк-зоне гена НТТ [6,7]. Идентификация гена БГ позволила с молекулярных позиций объяснить разнообразные значи-мые клинико-генетические корреляции при БГ [5,[8][9][10][11][12]. Продуктом гена НТТ является белок гентингтин с неизвест-ной функцией.…”
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