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[Genetic polymorphisms and cancer risk].

Nobuyuki Hamajima1

  • 1Department of Preventive Medicine/Biostatistics and Medical Decision Making, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|June 30, 2004
PubMed
Summary

Genetic variations (polymorphisms) influence cancer risk, but cannot be changed. Gene-environment interactions offer new avenues for personalized cancer prevention strategies.

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Area of Science:

  • Genetics and Molecular Biology
  • Cancer Research
  • Preventive Medicine

Background:

  • Hereditary disease genes have high penetrance, unlike polymorphism genotypes.
  • Polymorphisms influence cancer incidence through various pathways.

Purpose of the Study:

  • To explore the role of genetic polymorphisms in cancer incidence.
  • To investigate the potential for genotype-based disease prevention.

Main Methods:

  • Classification of cancer-related polymorphisms into functional categories.
  • Analysis of gene-environment interactions.

Main Results:

  • Polymorphisms identified in carcinogen metabolism, DNA repair, DNA synthesis, inflammation, and hormone metabolism.
  • Genotypes themselves are not preventable, but influence lifestyle-disease associations.

Conclusions:

  • Gene-environment interactions are key to understanding disease risk.
  • Genotype information can guide personalized disease prevention strategies.

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