We identified a novel missense mutation in the myophosphorylase gene (PYGM) in a Spanish patient with McArdle's disease. This homozygous T-to-C transition results in the replacement of a highly conserved tryptophan at amino acid position (aa) 797 with an arginine in the C-terminal domain of the PYGM
Two novel mutations in the myophosphorylase gene in a patient with McArdle disease
β Scribed by Marcus Deschauer; Kathrin Hertel; Stephan Zierz
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 129 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0148-639X
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We report two novel homozygous mutations in the myophosphorylase gene (PYGM) in a patient with McArdleΒ΄s disease. A C-to-T transition that changed an arginine to tryptophan at codon 193 (R193W) in exon 5, and a deletion of two adenine base pairs in exon 20 at codon 794/795 (794/795 delAA) were ident
McArdle disease is a rare autosomal recessive disorder of the muscle glycogen metabolism caused by mutations in the muscle glycogen phosphorylase gene. Until now, a total number of 11 different mutations in the coding region or splice sites of the myophosphorylase gene have been identified. In contr