A non-radioactive method for the detection of a common mutant allele of aldehyde dehydrogenase 2

Ryuji Kawaguchi, Motokazu Mukaide, Kazumasa Hikiji, Tadashi Matsunaga

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

About 50% of Japanese have been estimated to possess at least one ALDH2*2 allele with a substitution of AAA for GAA at codon 487 of the aldehyde dehydrogenase gene. This mutation is tightly associated with the sensitivity of an individual to alcohol. We developed a method of identifying the ALDH2*2 allele by a non-radioactive technique. DNA from individuals was subjected to polymerase chain reaction in which part of the aldehyde dehydrogenase 2 gene was amplified. After dot-blotting onto nylon membranes, the DNA was hybridized with biotin-labelled allele-specific oligonucleotides. Determination of genotypes on 77 unrelated healthy Japanese individuals, using the conventional method and our new method with gradient hybridization temperature and competitive oligonucieotides, indicated that the latter was superior to the former.

Original languageEnglish
Pages (from-to)349-352
Number of pages4
JournalMolecular and Cellular Probes
Volume6
Issue number4
DOIs
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

Aldehyde Dehydrogenase
Alleles
DNA
Nylons
Biotin
Codon
Oligonucleotides
Genes
Genotype
Alcohols
Polymerase Chain Reaction
Mutation
Temperature
Membranes

Keywords

  • alcohol
  • Aldehyde dehydrogenase (ALDH)
  • chemiluminescence
  • hybridization
  • oligonucleotide
  • polymerase chain reaction (PCR)

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

A non-radioactive method for the detection of a common mutant allele of aldehyde dehydrogenase 2. / Kawaguchi, Ryuji; Mukaide, Motokazu; Hikiji, Kazumasa; Matsunaga, Tadashi.

In: Molecular and Cellular Probes, Vol. 6, No. 4, 1992, p. 349-352.

Research output: Contribution to journalArticle

Kawaguchi, Ryuji ; Mukaide, Motokazu ; Hikiji, Kazumasa ; Matsunaga, Tadashi. / A non-radioactive method for the detection of a common mutant allele of aldehyde dehydrogenase 2. In: Molecular and Cellular Probes. 1992 ; Vol. 6, No. 4. pp. 349-352.
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