A Novel RNA Splice Site Mutation in the C1 Inhibitor Gene of a Patient with Type I Hereditary Angioedema
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- SEKIJIMA Yoshiki
- Third Department of Medicine, Shinshu University School of Medicine
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- HASHIMOTO Takao
- Third Department of Medicine, Shinshu University School of Medicine
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- KAWACHI Yasuhiro
- Department of Dermatology, Institute of Clinical Medicine, University of Tsukuba
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- KOSHIHARA Hiroshi
- Third Department of Medicine, Shinshu University School of Medicine
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- OTSUKA Fujio
- Department of Dermatology, Institute of Clinical Medicine, University of Tsukuba
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- IKEDA Shu-ichi
- Third Department of Medicine, Shinshu University School of Medicine
Bibliographic Information
- Other Title
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- A Novel RNA Splice Site Mutation in the C1 Inhibitor Gene of a Patient with Type 1 Hereditary Angioedema
- Novel RNA Splice Site Mutation in the C1 Inhibitor Gene of a Patient with Type 1 Hereditary Angioedema
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Abstract
We describe a patient with type I hereditary angioedema presenting recurrent episodes of skin swelling and abdominal pain. Laboratory examination showed reduced levels of CH50 and C4 with a normal C3 level. The C1 inhibitor was decreased to 7.0 mg/dl (normal, 10-25 mg/dl) with a remarkably reduced activity (<25%; normal, 80-125%). DNA analysis of the C1 inhibitor gene revealed a novel point mutation at the 3' acceptor mRNA splice site of the intron 5 (G→A at nucleotide 8722). This mutation may abolish the correct splicing of the intron 5 and create unstable mRNA.
Journal
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- Internal Medicine
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Internal Medicine 43 (3), 253-255, 2004
The Japanese Society of Internal Medicine
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Details 詳細情報について
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- CRID
- 1390001204868660480
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- NII Article ID
- 10012709033
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- NII Book ID
- AA10827774
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- COI
- 1:CAS:528:DC%2BD2cXks1Kjs7Y%3D
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- ISSN
- 13497235
- 09182918
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- NDL BIB ID
- 6895837
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- PubMed
- 15098611
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- Abstract License Flag
- Disallowed