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New Approaches in the Molecular Diagnosis and Population Carrier Screening for Spinal Muscular Atrophy

dc.contributor.authorGonçalves-Rocha, Miguel
dc.contributor.authorOliveira, Jorge
dc.contributor.authorRodrigues, Luísa
dc.contributor.authorSantos, Rosário
dc.date.accessioned2012-02-29T16:34:55Z
dc.date.available2012-02-29T16:34:55Z
dc.date.issued2011-05
dc.description.abstractAutosomal recessive spinal muscular atrophy, the leading genetic cause of infant death, is due to loss of functional SMN1 genes, mainly as a result of homozygous deletions. Carrier frequency in the general population varies widely from 1/50 to 1/125 and has significant counseling implications. In a cohort of 210 patients with spinal muscular atrophy confirmed at the molecular level, 91.9% had a homozygous deletion and 14 were compound heterozygotes. Two novel point mutations were detected (c.524delC and c.734dupC) and the 11 bp duplication c.770_780dup was found at a high frequency. We describe the development of a simple and robust method for homozygous deletion detection, which enabled us to simplify the diagnostic workup. Further, carrier frequency in our population was established by direct quantification with the commercially available MLPA kit, following optimization for the use of dried blood spots as sample specimens.por
dc.identifier.citationGenet Test Mol Biomarkers. 2011 May;15(5):319-26. Epub 2011 Feb 17por
dc.identifier.issn1945-0265
dc.identifier.otherdoi:10.1089/gtmb.2010.0164.
dc.identifier.urihttp://hdl.handle.net/10400.18/707
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherMary Ann Liebertpor
dc.relation.publisherversionhttp://online.liebertpub.com/doi/abs/10.1089/gtmb.2010.0164por
dc.subjectDoenças Genéticaspor
dc.subjectEpidemiologia Clínicapor
dc.subjectTecnologias de Análise de DNApor
dc.titleNew Approaches in the Molecular Diagnosis and Population Carrier Screening for Spinal Muscular Atrophypor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage326por
oaire.citation.startPage319por
oaire.citation.titleGenetic Testing and Molecular Biomarkerspor
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor

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