Journal of cosmetic dermatology · 2018
Identification of a novel PLCD1 mutation in Chinese Han pedigree with hereditary leukonychia and koilonychia.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Xue Ke, Zheng Yajie, Shen Changbing, Cui Yong
Аннотация
BACKGROUND: Hereditary leukonychia is a rare nail dystrophy characterized by distinctive whitening of the nail plate. Mutations in the PLCD1 gene have been identified as a major causative factor in hereditary leukonychia (HL). However, few reports have analyzed the relationship between genotype and phenotype, especially in Chinese HL patients. Our study aims to explore the typical clinical features of hereditary leukonychia cases in Chinese Han pedigree and the correlations with PLCD1 gene mutation.
PATIENTS AND METHODS: In this study, two Chinese patients presented with leukonychia and koilonychia. Whole-exome sequencing (WES) was performed to screen for the mutations in PLCD1 gene and other candidate genes for hereditary leukonychia. Parents with PLCD1 mutation were selected for Sanger sequencing.
RESULTS: A novel heterozygote missense mutation in exon 9 of PLCD1 gene was identified in the proband and his mother. Whole-exome sequencing revealed both, the proband (III.5) and his mother (II.4) carrying c.1451A>G mutation, while other family members had a normal sequence of the PLCD1 gene.
CONCLUSION: For the first time, a hereditary leukonychia case with PLCD1 mutation has been described in Chinese Han pedigree. This finding suggests the PLCD1 mutation maybe involved in hereditary leukonychia.
PATIENTS AND METHODS: In this study, two Chinese patients presented with leukonychia and koilonychia. Whole-exome sequencing (WES) was performed to screen for the mutations in PLCD1 gene and other candidate genes for hereditary leukonychia. Parents with PLCD1 mutation were selected for Sanger sequencing.
RESULTS: A novel heterozygote missense mutation in exon 9 of PLCD1 gene was identified in the proband and his mother. Whole-exome sequencing revealed both, the proband (III.5) and his mother (II.4) carrying c.1451A>G mutation, while other family members had a normal sequence of the PLCD1 gene.
CONCLUSION: For the first time, a hereditary leukonychia case with PLCD1 mutation has been described in Chinese Han pedigree. This finding suggests the PLCD1 mutation maybe involved in hereditary leukonychia.