Huntington disease: DNA analysis in brazilian population
Arq. neuropsiquiatr
; 58(4): 977-85, Dec. 2000.
Article
en En
| LILACS
| ID: lil-273835
Biblioteca responsable:
BR1.1
ABSTRACT
Huntington disease (HD) is associated with expansions of a CAG trinucleotide repeat in the HD gene. Accurate measurement of a specific CAG repeat sequence in the HD gene in 92 Brazilian controls without HD, 44 Brazilian subjects with clinical findings suggestive of HD and 40 individuals from 6 putative HD families, showed a range from 7 to 33 repeats in normal subjects and 39 to 88 repeats in affected subjects. A trend between early age at onset of first symptoms and increasing number of repeats was seen. Major increase of repeat size through paternal inheritance than through maternal inheritance was observed. Data generated from this study may have significant implications for the etiology, knowledge of the incidence, diagnosis, prognosis, genetic counseling and treatment of HD Brazilian patients
Texto completo:
1
Colección:
01-internacional
Base de datos:
LILACS
Asunto principal:
ADN
/
Enfermedad de Huntington
/
Expansión de Repetición de Trinucleótido
Tipo de estudio:
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Límite:
Adolescent
/
Adult
/
Child
/
Female
/
Humans
/
Male
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Arq. neuropsiquiatr
Asunto de la revista:
NEUROLOGIA
/
PSIQUIATRIA
Año:
2000
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Brasil