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Provedor de dados:  BJMBR
País:  Brazil
Título:  Lack of evidence for monosomy 1p36 in patients with Prader-Willi-like phenotype
Autores:  Rodríguez,V.R.
Data:  2008-08-01
Ano:  2008
Palavras-chave:  Monosomy 1p36
1p36 microdeletion syndrome
Prader-Willi syndrome
Prader-Willi-like phenotype
Resumo:  Monosomy 1p36 is the most common subtelomeric microdeletion syndrome with an incidence rate estimated to be 1 in 5000 births. A hypothesis of a similarity between patients with 1p36 deletion and those with Prader-Willi syndrome and the existence of two different phenotypes for 1p36 microdeletion has been suggested. The main objective of the present study was to determine the existence of 1p36 microdeletion in a sample of patients with mental retardation, obesity and hyperphagia who tested negative by the methylation test for Prader-Willi syndrome. Sixteen patients (7 females, 9 males), 16-26 years old, were evaluated with high-resolution cytogenetic analysis at 550-850 band levels and with 11 polymorphic microsatellite markers located in the 1p36 region. All patients had normal cytogenetic and molecular results. The results obtained by high-resolution cytogenetic methodology were confirmed by the molecular analyses. We did not detect a 1p36 microdeletion in 16 subjects with the Prader-Willi-like phenotype, which reinforces that no correlation seems to exist between Prader-Willi-like phenotype and the 1p36 microdeletion syndrome.
Tipo:  Info:eu-repo/semantics/other
Idioma:  Inglês
Editor:  Associação Brasileira de Divulgação Científica
Formato:  text/html
Fonte:  Brazilian Journal of Medical and Biological Research v.41 n.8 2008
Direitos:  info:eu-repo/semantics/openAccess

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