Four Novel Plectin Gene Mutations in Japanese Patients with Epidermolysis Bullosa with Muscular Dystrophy Disclosed by Heteroduplex Scanning and Protein Truncation Tests

Epidermolysis bullosa with muscular dystrophy (EB-MD) is a distinct variant of EB caused by mutations in the plectin gene (PLEC1). In this study, we have examined two Japanese patients with EB-MD using heteroduplex scanning or a protein truncation test for mutation detection analysis. The results re...

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Veröffentlicht in:Journal of investigative dermatology 1999-01, Vol.112 (1), p.109-112
Hauptverfasser: Takizawa, Yasuko, Shimizu, Hiroshi, Nishikawa, Takeji, Rouan, Fatima, Kawai, Mitsuru, Udono, Masako, Pulkkinen, Leena, Uitto, Jouni
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container_end_page 112
container_issue 1
container_start_page 109
container_title Journal of investigative dermatology
container_volume 112
creator Takizawa, Yasuko
Shimizu, Hiroshi
Nishikawa, Takeji
Rouan, Fatima
Kawai, Mitsuru
Udono, Masako
Pulkkinen, Leena
Uitto, Jouni
description Epidermolysis bullosa with muscular dystrophy (EB-MD) is a distinct variant of EB caused by mutations in the plectin gene (PLEC1). In this study, we have examined two Japanese patients with EB-MD using heteroduplex scanning or a protein truncation test for mutation detection analysis. The results revealed that both patients were compound heterozygotes for novel PLEC1 mutations (Q1936X/Q1053X and R2421X/12633ins4), which all caused premature termination of translation of the corresponding polypeptides. These cases, which demonstrate the utility of two complementary mutation detection strategies, add to the repertoire of plectin mutations in EB-MD.
doi_str_mv 10.1046/j.1523-1747.1999.00461.x
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subjects Adult
Biological and medical sciences
blistering skin diseases
Bullous diseases of the skin
Child
Dermatology
Epidermolysis Bullosa - genetics
Exons
Humans
Intermediate Filament Proteins - genetics
Male
Medical sciences
Muscular Dystrophies - genetics
Mutation
mutation detection strategies
Plectin
plectin mutations
Polymerase Chain Reaction
title Four Novel Plectin Gene Mutations in Japanese Patients with Epidermolysis Bullosa with Muscular Dystrophy Disclosed by Heteroduplex Scanning and Protein Truncation Tests
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