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Novel cathepsin C mutation in a Brazilian family with Papillon-Lefevre syndrome: case report and mutation update.

ABSTRACT: PURPOSE:Papilion-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder that involves palmoplantar keratosis (PK) and severe aggressive periodontitis. Cathepsin C (CTSC) gene mutations are etiologic for PLS, with more than 60 different mutations reported in different ethnic groups worldwide. The purpose of this study was to report a novel cathepsin C mutation in a Brazilian patient. METHODS:A 4-year-old boy presented with aggressive periodontitis, recession, missing teeth, and hyperkeratosis of the palms of hands and soles. Peripheral blood samples were obtained from family members for genomic DNA isolation. The coding region and exon/intron boundaries of the CTSC gene were amplified and sequenced. RESULTS:The patient had a PLS phenotype, which included PK and early-onset severe periodontitis. Sequence analysis showed a novel CTSC mutation (c.267-268del) present in the homozygous state. CONCLUSION:This report described a novel mutation in a family with Brazilian Papillon-Lefèvre syndrome and presented a review of all cathepsin C (65) mutations reported to date.

SUBMITTER: Pallos D 

PROVIDER: S-EPMC4617240 | biostudies-literature | 2010 Jan-Apr

REPOSITORIES: biostudies-literature

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Novel cathepsin C mutation in a Brazilian family with Papillon-Lefèvre syndrome: case report and mutation update.

Pallos Debora D   Acevedo Ana Carolina AC   Mestrinho Heliana Dantas HD   Cordeiro Ilia I   Hart Thomas C TC  

Journal of dentistry for children (Chicago, Ill.) 20100101 1

<h4>Purpose</h4>Papilion-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder that involves palmoplantar keratosis (PK) and severe aggressive periodontitis. Cathepsin C (CTSC) gene mutations are etiologic for PLS, with more than 60 different mutations reported in different ethnic groups worldwide. The purpose of this study was to report a novel cathepsin C mutation in a Brazilian patient.<h4>Methods</h4>A 4-year-old boy presented with aggressive periodontitis, recession, missing teeth,  ...[more]

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