HOXD13 polyalanine tract expansion in classical synpolydactyly type Vordingborg

Klaus Wilbrandt Kjær, Jess Hedeboe, Merete Bugge, Claus Hansen, Karen Friis Henriksen, Maria Baeksted Vestergaard, Niels Tommerup, John M Opitz

22 Citations (Scopus)

Abstract

In 1927, Oluf Thomsen, in a classic paper, described a seven-generation family with autosomal dominant axial synpolydactyly (SPD)--the Vordingborgtyp of axis duplication and dysostosis. Expansion of a polyalanine tract in the HOXD13 gene is known to cause synpolydactyly. We have rediscovered part of the family described by Thomsen, and detected a 9 triplet polyalanine expansion within HOXD13segregating with the disorder. The phenotypic spectrum in mutation carriers ranged from severe to inapparent bone malformations. In the latter case, only dermatoglyphics revealed the genetic status.
Original languageEnglish
JournalAmerican Journal of Medical Genetics. Part C: Seminars in Medical Genetics
Volume110
Issue number2
Pages (from-to)116-121
Number of pages6
ISSN1552-4868
DOIs
Publication statusPublished - 2002

Keywords

  • Alanine
  • Base Sequence
  • DNA
  • DNA Mutational Analysis
  • Family Health
  • Female
  • Genotype
  • Homeodomain Proteins
  • Humans
  • Male
  • Molecular Sequence Data
  • Pedigree
  • Peptides
  • Polydactyly
  • Polymorphism, Genetic
  • Syndactyly
  • Transcription Factors
  • Trinucleotide Repeat Expansion

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