Cited by 50Dermatology and Skin DiseasesGenetic and rare skin diseases.Skin and Cellular Biology Research

Novel FLG null mutations in Korean patients with atopic dermatitis and comparison of the mutational spectra in Asian populations

Park, Joonhong, Jekarl, Dong Wook, Kim, Yonggoo, Kim, Jiyeon, Kim, Myungshin, Park, Young Min·2015·The Journal of Dermatology

Abstract

Filaggrin is essential for the development of the skin barrier. Mutations in the gene encoding filaggrin have been identified as major predisposing factors for atopic disorders. Molecular analysis of the FLG gene in this study showed nine null and one unclassified mutation in 13 of 81 Korean patients with atopic dermatitis (AD): five novel null mutations (i.e. p.S1405*, c.5671_5672delins TA, p.W1947*, p.G2025* and p.E3070*); four reported null mutations (i.e. c.3321delA, p.S1515*, p.S3296* and p.K4022*); and one unclassified mutation (i.e. c.306del AAAGCACAG). These variants are nonsense, premature termination codon or in‐frame deletion expected to cause loss‐of‐function of FLG. Genotype–phenotype correlation is not obvious in Korean AD patients with FLG null mutations. According to a review of the mutational spectra of the FLG gene in the Asian populations, FLG null mutations appeared to be unique in each population but some mutations such as p.R501*, c.3321delA, p.S1515*, p.S3296* and p.K4022* were commonly found in at least two of the selected Asian populations including Korean, Japanese, Chinese, Singaporean Chinese or Taiwanese. Further investigations on a larger group of Korean AD would be necessary to elucidate its clinical pathogenesis and mutational spectrum related to specific FLG null mutations for AD.

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Crossref · 10.1111/1346-8138.12935

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Authors
Park, J., Jekarl, D. W., Kim, Y., Kim, J., Kim, M., & Park, Y. M.
Affiliations
Catholic University of Korea (KR)
Corresponding author
  • Kim, Myungshin
  • Park, Young Min
Venue
The Journal of Dermatology
Publisher
Wiley
Published
2015-05-21
Volume
42
Issue
9
Pages
867-873
ISSN
  • 0385-2407 (ISSN-L)
  • 1346-8138
OpenAlex
W1485278347
Cited by
50
References
46
Citations by year
2026: 2 · 2025: 7 · 2024: 4 · 2023: 6 · 2022: 4 · 2021: 7 · 2020: 4 · 2019: 1 · 2018: 4 · 2017: 10 · 2016: 1
FWCI
5.58
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Dermatology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Korean Health Technology R&D Project, Ministry for Health & Welfare, Republic of Korea (HI14C3417)
Topics
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and rare skin diseases.
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Skin and Cellular Biology Research
Keywords
atopic dermatitis, filaggrin, FLG gene, null mutations, novel mutations, mutation spectrum, Korean patients, Asian populations, genotype-phenotype correlation, skin barrier, loss-of-function mutations
MeSH terms
Filaggrin Proteins, Adolescent, Adult, Child, Child, Preschool, Dermatitis, Atopic, DNA Mutational Analysis, Female, Humans, Intermediate Filament Proteins, Male, Asian People, Young Adult

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