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M. Daimon Eishirou Gojyou Makoto Sugawara Keiichi Yamatani Makoto Tominaga Hideo Sasaki 《Human genetics》1997,99(2):199-201
Hereditary coproporphyria (HCP) is an autosomal dominant disease characterized by a deficiency of coproporphyrinogen oxidase.
To date, four mutations of the gene have been reported. We report here another mutation in two Japanese families with HCP,
which was revealed by analysis of polymerase chain reaction (PCR)-amplified DNA fragments of the gene by a direct-sequencing
method. A point mutation, G to A, was found in exon 4 of the gene at position 538 of the cDNA from the reported putative translation
initiation codon ATG. This mutation results in a glycine to arginine substitution at amino acid 180. Two carriers in the family
were successfully diagnosed by detecting the mutation using restriction analysis of the PCR products.
Received: 23 April 1996 / Revised: 15 July 1996 相似文献
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