Genetic analysis of familial amyloidotic polyneuropathy, an autosomal dominant disease

Yoshiyuki Sakaki, Hiroyuki Sasaki, Katsuji Yoshioka, Hirokazu Furuya

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Familial amyloidotic polyneuropathy (FAP) is an autosomal dominant genetic disease, and the major component of the amyloid fibrils from FAP patients was shown to be variants of transthyretin (TTR) with single amino acid substitutions. The nucleotide sequence analysis of the TTR cDNA and its corresponding gene enabled us to detect the base substitutions responsible for the variant TTR by conventional Southern blotting or polymerase chain reaction (PCR) method and allowed us to screen a number of FAP families in Japan. Among seven TTR variants related to FAP, all the FAP patients tested in Japan had the particular 30 Val → Met mutation. Haplotype analysis revealed that the Val → Met mutation has recurred frequently in the population to generate the FAP families of independent origins. Although the primary cause of FAP has become clear, extensive screening of FAP families revealed that there existed late onset cases and also patients with atypical symptoms in FAP families with the Val → Met mutation, suggesting that the expression of FAP is a complex process and affected by some (unknown) factors other than TTR.

Original languageEnglish
Pages (from-to)291-297
Number of pages7
JournalClinica Chimica Acta
Volume185
Issue number3
DOIs
Publication statusPublished - Dec 15 1989

Fingerprint

Prealbumin
Polyneuropathies
Substitution reactions
Polymerase chain reaction
Amyloid
Mutation
Japan
Screening
Nucleotides
Complementary DNA
Genes
Amino Acids
Inborn Genetic Diseases
Amino Acid Substitution
Southern Blotting
Haplotypes
Sequence Analysis
Polymerase Chain Reaction

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Clinical Biochemistry

Cite this

Genetic analysis of familial amyloidotic polyneuropathy, an autosomal dominant disease. / Sakaki, Yoshiyuki; Sasaki, Hiroyuki; Yoshioka, Katsuji; Furuya, Hirokazu.

In: Clinica Chimica Acta, Vol. 185, No. 3, 15.12.1989, p. 291-297.

Research output: Contribution to journalArticle

Sakaki, Yoshiyuki ; Sasaki, Hiroyuki ; Yoshioka, Katsuji ; Furuya, Hirokazu. / Genetic analysis of familial amyloidotic polyneuropathy, an autosomal dominant disease. In: Clinica Chimica Acta. 1989 ; Vol. 185, No. 3. pp. 291-297.
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