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Dinucleotide repeat polymorphism in the human ceruloplasmin gene

M Daimon1, Y Morita, K Yamatani

  • 1Third Department of Internal Medicine, Yamagata University School of Medicine, Japan.

Human Genetics
|December 1, 1995
PubMed
Summary

Researchers discovered a new genetic variation, a GT dinucleotide repeat polymorphism, within the human ceruloplasmin gene. This common genetic marker was found in 84% of individuals studied, indicating its prevalence.

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Area of Science:

  • Genetics
  • Molecular Biology

Background:

  • The ceruloplasmin gene plays a crucial role in copper transport and has implications in various physiological processes.
  • Genetic variations within the ceruloplasmin gene can influence its function and are of interest for population genetics studies.

Purpose of the Study:

  • To identify and characterize novel polymorphisms within the human ceruloplasmin gene.
  • To assess the frequency and heterozygosity of a newly identified dinucleotide repeat polymorphism.

Main Methods:

  • DNA sequencing of the human ceruloplasmin gene.
  • Analysis of intron 14 for repetitive elements.
  • Genotyping to determine heterozygosity rates.

Main Results:

  • A GT dinucleotide repeat polymorphism was identified in intron 14 of the human ceruloplasmin gene.

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  • The observed heterozygosity for this specific polymorphism was found to be 0.84, suggesting high variability within the population.

    • Conclusions:

    • The identified GT dinucleotide repeat polymorphism is a common and highly variable marker in the human ceruloplasmin gene.
    • This polymorphism can serve as a valuable tool for genetic association studies and population genetics research.