Article
Prenatal diagnosis of fragile X syndrome: (CGG)n expansion and methylation of chorionic villus samples.
Prenatal diagnosis - 1 Sept 1995
Castellví-Bel S, Milà M, Soler A, Carrió A, Sánchez A, Villa M, Jiménez M D, Estivill X
Abstract excerpt
Fragile X syndrome is the most common form of inherited mental retardation, due to an expansion of the (CGG)n trinucleotide repeat in the FMR-1 gene and hypermethylation of its 5' upstream CpG island. Two major problems remain to be resolved for fragile X prenatal diagnosis: the abnormal methylation patterns of chorionic villus samples (CVS) and the inability to predict the mental status of females with the full...
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