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KMID : 0032220210330040369
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Annals of Dermatology
2021 Volume.33 No. 4 p.369 ~ p.372
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Novel Compound Heterozygous Mutations in CTSC Gene in a Chinese Family with Papillon-Lefevre Syndrome
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Wang Yuan
Zhang Hanmei
Feng Suying
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Abstract
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Papillon-Lefevre syndrome (PLS) (OMIM: 245000) is a rare autosomal recessive disorder characterized by palmoplantar hyperkeratosis and early onset periodontitis, resulting in the premature loss of the deciduous and permanent teeth. PLS is caused by mutations in the cathepsin C (CTSC) gene (OMIM: 602365), which has been mapped to chromosome 11q14?q21. Genetic analysis can help early and rapid diagnosis of PLS. Here we report on a Chinese PLS pedigree with two affected siblings. We have identified two novel compound heterozygous mutations c.763T>C (p.C255R) and c.1015C>A (p.R339S) in the CTSC gene. The two mutations expand the spectrum of CTSC mutations in PLS.
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KEYWORD
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Cathepsin C, Palmoplantar keratoderma, Papillon-Lefevre syndrome, Periodontitis
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