NAT2 fast acetylator genotype is associated with an increased risk of lung cancer among never-smoking women in Taiwan

Cancer Lett. 2005 Jun 1;223(1):93-101. doi: 10.1016/j.canlet.2004.12.015. Epub 2005 Jan 18.


The correlation between cooking oil fumes, containing relatively higher amounts of heterocyclic amines, and female lung cancer has been revealed. The association of genetic polymorphisms of CYP1A2 and NAT2, two major enzymes responsible for the metabolism of heterocyclic amines, with lung cancer has been investigated with inconclusive results. In this study targeted on never-smoking population with 162 lung cancer patients and 208 non-cancer controls, while the distributions of CYP1A2 phenotypes in lung cancer patients were comparable to that in controls, NAT2 fast acetylators had an OR of 2.44 (95% CI 1.40-4.23, P=0.002) and 2.56 (95% CI 1.37-4.80, P=0.003) for lung cancer in overall and female cases, respectively, but not in males. These results suggested never-smoking females with NAT2 fast acetylator were more prone to lung cancer and reflected the possibility that exposure to heterocyclic amines may contribute to the female lung cancer development in Taiwan.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Aged
  • Arylamine N-Acetyltransferase / genetics*
  • Cytochrome P-450 CYP1A2
  • Female
  • Genotype
  • Humans
  • Lung Neoplasms / enzymology
  • Lung Neoplasms / genetics*
  • Male
  • Middle Aged
  • Phenotype
  • Polymorphism, Genetic
  • Risk
  • Sex Characteristics
  • Smoking / adverse effects


  • Cytochrome P-450 CYP1A2
  • Arylamine N-Acetyltransferase
  • NAT2 protein, human