Japanese β°-thalassemia: Molecular characterization of a novel insertion causing a stop codon
✍ Scribed by Oshima, Kazuko; Harano, Teruo; Harano, Keiko
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 288 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0361-8609
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✦ Synopsis
During a physical checkup, a 42-year-old Japanese man with liver dysfunction was diagnosed as having p-thalassemia. Using molecular biological techniques including PCR, we investigated the chemical basis of the hematological disorder. We found that a frameshift attributable to the insertion of a thymidine into or following the TIT sequence of codon 42 transformed codon 43 (GAG) into a stop codon (TGA). We believe that this mutation has not been previously reported.
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An initiation codon mutation ATG-ATA of the p-globin gene was found in seven members of three generations of a family living in northern Sweden. This mutation, which has not previously been described, changes the initiation codon for methionine into a codon for isoleucine and will then result in a p