ArticleMolecular biotechnology2003
Rapid single-base mismatch detection in genotyping for phenylketonuria.
Article in Molecular biotechnology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 3 institutions in 1 country.
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Abstract
Phenylketonuria (PKU) is a metabolic disorder that results from a deficiency of hepatic phenylalanine hydroxylase (PAH). Identification of the PKU genotype is useful for predicting clinical PKU phenotype. More than 400 mutations resulting in PAH deficiency have been reported worldwide. We used a genedetecting instrument to identify the nine prevalent Japanese mutations in the PAH gene among 31 PKU patients as a preliminary study. This instrument can automatically detect mutations through the use of allelespecific oligonucleotide (ASO) capture probes, and gave results comparable to those of sequencing studies. Each country has uniquely prevalent and specific mutations causing PKU, and less than 50 types of such mutations are generally present in each country. Early genotyping of PKU makes it possible to identify the phenotype and select the optimal therapy for the disease. For early genotyping, the instrumental method described here shortens the time required for genotyping based on mRNA and/or genomic DNA of PKU parents.
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