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Analysis of Highly Conserved Regions of the 3'UTR of MECP2 Gene in Patients with Clinical Diagnosis of Rett Syndrome and Other Disorders Associated with Mental Retardation

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Resumo:In this work we explored the role of the 3'UTR of the MECP2 gene in patients with clinical diagnosis of RTT and mental retardation; focusing on regions of the 3'UTR with almost 100% conservation at the nucleotide level among mouse and human. By mutation scanning (DOVAM-S technique) the MECP2 3'UTR of a total of 66 affected females were studied. Five3'UTR variants in the MECP2 were found (c.1461+9G>A, c.1461+98insA, c.2595G>A, c.9961C>G and c.9964delC) in our group of patients. None of the variants found is located in putative protein-binding sites nor predicted to have a pathogenic role. Our data suggest that mutations in this region do not account for a large proportion of the RTT cases without a genetic explanation.
Autores principais:Santos, M
Outros Autores:Yan, J; Temudo, T; Oliveira, G; Vieira, JP; Fen, J; Sommer, S; Maciel, P
Assunto:3' Untranslated Regions/genetics Intellectual Disability/genetics Methyl-CpG-Binding Protein 2/genetics Rett Syndrome/genetics Genetic Variation Genotype Methyl-CpG-Binding Methyl-CpG-Binding Protein 2/metabolism Mutation Phenotype Polymerase Chain Reaction Female HDE NEU PED
Ano:2008
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Centro Hospitalar de Lisboa Central, EPE (CHLC)
Idioma:inglês
Origem:Repositório do Centro Hospitalar de Lisboa Central, EPE
Descrição
Resumo:In this work we explored the role of the 3'UTR of the MECP2 gene in patients with clinical diagnosis of RTT and mental retardation; focusing on regions of the 3'UTR with almost 100% conservation at the nucleotide level among mouse and human. By mutation scanning (DOVAM-S technique) the MECP2 3'UTR of a total of 66 affected females were studied. Five3'UTR variants in the MECP2 were found (c.1461+9G>A, c.1461+98insA, c.2595G>A, c.9961C>G and c.9964delC) in our group of patients. None of the variants found is located in putative protein-binding sites nor predicted to have a pathogenic role. Our data suggest that mutations in this region do not account for a large proportion of the RTT cases without a genetic explanation.