Molecular Analysis of Hypoxanthine Guanine Phosphoribosyltransferase (HPRT) Deficiencies: Novel Mutations and the Spectrum of Japanese Mutations
- 3 July 2008
- journal article
- research article
- Published by Taylor & Francis in Nucleosides, Nucleotides and Nucleic Acids
- Vol. 27 (6), 570-574
- https://doi.org/10.1080/15257770802135869
Abstract
Inherited mutation of hypoxanthine guanine phosphoribosyltransferase, (HPRT) gives rise to Lesch-Nyhan syndrome or HPRT-related gout. We have identified a number of HPRT mutations in patients manifesting different clinical phenotypes, by analyzing all nine exons of the HPRT gene (HPRT1) from genomic DNA and reverse transcribed mRNA using the PCR technique coupled with direct sequencing. Recently, we detected two novel mutations: a single nucleotide substitution (430C > T) resulting in a nonsense mutation Q144X, and a deletion of HPRT1 exon 1 expressing no mRNA of HPRT. Furthermore, we summarized the spectrum of 56 Japanese HPRT mutations.Keywords
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