| Autor: |
Nagy, Nikoletta, Vályi, Péter, Csoma, Zsanett, Sulák, Adrienn, Tripolszki, Kornélia, Farkas, Katalin, Paschali, Ekaterine, Papp, Ferenc, Tóth, Lola, Fábos, Beáta, Kemény, Lajos, Nagy, Katalin, Széll, Márta |
| Předmět: |
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| Zdroj: |
Molecular Genetics & Genomic Medicine; May2014, Vol. 2 Issue 3, p217-228, 12p |
| Abstrakt: |
Papillon-Lefèvre syndrome ( PLS; OMIM 245000) is an autosomal recessive condition characterized by palmoplantar hyperkeratosis and periodontitis. In 1997, the gene locus for PLS was mapped to 11q14-21, and in 1999, variants in the cathepsin C gene ( CTSC) were identified as causing PLS. To date, a total of 75 different disease-causing mutations have been published for the CTSC gene. A summary of recurrent mutations identified in Hungarian patients and a review of published mutations is presented in this update. Comparison of clinical features in affected families with the same mutation strongly confirm that identical mutations of the CTSC gene can give rise to multiple different phenotypes, making genotype-phenotype correlations difficult. Variable expression of the phenotype associated with the same CTSC mutation may reflect the influence of other genetic and/or environmental factors. Most mutations are missense (53%), nonsense (23%), or frameshift (17%); however, in-frame deletions, one splicing variant, and one 5′ untranslated region ( UTR) mutation have also been reported. The majority of the mutations are located in exons 5-7, which encodes the heavy chain of the cathepsin C protein, suggesting that tetramerization is important for cathepsin C enzymatic activity. All the data reviewed here have been submitted to the CTSC base, a mutation registry for PLS at . [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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