Denaturing high-performance liquid chromatography (DHPLC) is a sensitive and fast method for the detection of mutations which has been successfully used for mutation screening in several disease-related genes. Phenylketonuria (PKU, OMIM* 261600; McKusick 1986) is one of the most common autosomal recessive disorders in Europe. Mutations in the PAH gene mainly involve point mutations. In this study we report the successful use of DHPLC to analyse rapidly the complete coding sequence of the PAH gene in a total of 125 unrelated patients with PKU.
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