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GENATLAS PHENOTYPE
last update : 24-02-2015
Symbol TTDP2
Location 2q14.3
Name trichothiodystrophy photosensitive 2
Corresponding gene ERCC3
Main clinical features
  • brittle hair and nails (because of reduced content of cysteine-rich matrix proteins), ichthyotic skin, and physical and mental retardation
  • no cases of skin cancer had been reported with trichothiodystrophy
  • approximately half of the patients display photosensitivity, correlated with a nucleotide excision repair (NER) defect
  • Genetic determination autosomal recessive
    Function/system disorder dermatology
    mental retardation
    Type disease
    Remark(s)