Article
Prospective study of urinary excretion of 7-methylguanine and the risk of lung cancer: Effect modification by mu class glutathione-S-transferases.
International journal of cancer - 1 Oct 2007
Loft Steffen, Svoboda Peter, Kasai Hiroshi, Tjønneland Anne, Møller Peter, Sørensen Mette, Overvad Kim, Autrup Herman, Raaschou-Nielsen Ole
Abstract excerpt
Nitrosamines are mainly mutagenic through methylation of DNA. 7-Methylguanine (m(7)Gua) is a product of base excision repair and spontaneous depurination of such lesions in DNA and a metabolite from RNA. Associations between urinary excretion of m(7)Gua and risk of lung cancer were examined in a population-based cohort of 25,717 men and 27,972 women aged 50-64 years. During 3-7 years follow-up 260 cases with lung...
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