Identification of a novel non-amyloidogenic transthyretin polymorphism (his 74) in the german population

Tomoyuki Uemichi, Juris J. Liepnieks, Klaus Altland, Merrill D. Benson

Research output: Contribution to journalArticle

4 Scopus citations


We examined the transthyretin gene of a German individual by direct DNA sequencing and found a guanine to cytosine transversion at the first base ofcodon 74 which resulted in a replacement ofhistidinefor aspartic acid. This mutation was confirmed by restriction fragment length polymorphism analysis using the polymerase chain reaction and the variant protein was proven to exist in plasma by sequence analysis of purified transthyretin. This variant transthyretin which was found in 7 of 4000 individuals by isoelectric focusing gel analysis is considered to be a relatively common polymorphism in the German population. None of the 7 individuals has a family history of amyloidosis or thyroid disorder.

Original languageEnglish (US)
Pages (from-to)149-153
Number of pages5
Issue number3
StatePublished - Jan 1 1994



  • Amyloid
  • Amyloidosis
  • German
  • Mutation
  • Polymorphism
  • Transthyretin

ASJC Scopus subject areas

  • Internal Medicine
  • Medicine(all)
  • Pathology and Forensic Medicine

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