Molecular studies and prenatal diagnosis of phenylketonuria in Chinese patients.

Abstract excerpt

Phenylketonuria (PKU) is one of the most common inborn errors of metabolic disorders. Although PKU induced mental retardation can be prevented after neonatal screening by following treatment with low phenylalanine diet, some parents are seeking prenatal diagnosis. We screened for mutations in exon 3 and 7 of the PAH gene using the DGGE and restriction enzyme method, in combination with STR linkage analysis....

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