| Myelin protein zero gene mutations in Taiwanese patients with Charcot-Marie-Tooth disease type 1. | |
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MedLine Citation:
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PMID: 15050444 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Charcot-Marie-Tooth disease type 1 (CMT1) is the most common inherited peripheral neuropathy and represents a genetically heterogeneous condition. In addition to the peripheral myelin protein 22 gene (PMP22) duplication (CMT1A), myelin protein zero gene (MPZ) mutations may account for a certain portion of CMT1 patients (CMT1B). OBJECTIVES: The authors analyzed the MPZ mutations in Taiwanese patients who do not have PMP22 duplication. Specifically, their clinical and molecular features were characterized. MATERIALS AND METHODS: Twenty-four of 57 unrelated Taiwanese patients with CMT1 were selected after excluding the CMT1A duplication. Subsequent analysis of the coding regions of the MPZ gene was performed with single-strand-conformation polymorphism (SSCP), which was then followed by nucleotide sequencing. RESULTS: Four missense mutations and one 4-base pair (bp) deletion, respectively, were identified in five patients, of which one mutation, c.173 T>A, has never been previously reported. Three missense mutations were located in exon 2, the other one in exon 3, and the deletion in exon 6. CONCLUSIONS: This study expands the number of CMT1 associated MPZ mutation and suggests that analysis of the coding sequence of MPZ should be performed in all CMT patients without CMT1A duplication to clarify their disease nature. |
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Authors:
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Yi-Chung Lee; Bing-Wen Soong; Kon-Ping Lin; Hsiang-Ying Lee; Zin-An Wu; Ker-Pei Kao |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the neurological sciences Volume: 219 ISSN: 0022-510X ISO Abbreviation: J. Neurol. Sci. Publication Date: 2004 Apr |
Date Detail:
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Created Date: 2004-03-30 Completed Date: 2004-06-04 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0375403 Medline TA: J Neurol Sci Country: Netherlands |
Other Details:
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Languages: eng Pagination: 95-100 Citation Subset: IM |
Affiliation:
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The Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shih-Pai Road, Peitou District, Taipei 11217, Taiwan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Biopsy Charcot-Marie-Tooth Disease / genetics*, pathology Female Humans Male Median Nerve / pathology Myelin P0 Protein / genetics* Neural Conduction Point Mutation* Polymorphism, Single-Stranded Conformational Sural Nerve / pathology Taiwan |
| Chemical | |
Reg. No./Substance:
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0/Myelin P0 Protein |
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