Abstract:
BACKGROUND:A genetic component of early-onset lung cancer has been suggested. The role of metabolic gene polymorphisms has never been studied in young lung cancer cases. Phase 1 and Phase 2 gene polymorphisms are involved in tobacco carcinogens' metabolism and therefore in lung cancer risk. METHODS:The effect of metabolic gene polymorphisms on lung cancer at young ages was studied by pooling data from the Genetic Susceptibility to Environmental Carcinogens (GSEC) database. All primary lung cancer cases of both sexes who were Caucasian and =45 years of age at diagnosis, and the corresponding controls were selected. We obtained 261 cases and 1452 controls. RESULTS:There was a marginally significant association between lung cancer and GSTT1 null genotype (OR=1.2; 95% CI:1.0-1.6), and a significant association between lung cancer and the homozygous CYP1A1 Msp1 variant allele (CYP1A1*2A and *2B) genotype (OR=4.7 95% CI:1.2-19.0). When data were stratified by smoking status, the association between CYP1A1 genotype and lung cancer was confined to never smokers. CONCLUSIONS:These results suggest that metabolic genetic factors play a role in lung cancer developing at young ages.
journal_name
Int J Epidemioljournal_title
International journal of epidemiologyauthors
Taioli E,Gaspari L,Benhamou S,Boffetta P,Brockmoller J,Butkiewicz D,Cascorbi I,Clapper ML,Dolzan V,Haugen A,Hirvonen A,Husgafvel-Pursiainen K,Kalina I,Kremers P,Le Marchand L,London S,Rannug A,Romkes M,Schoket B,Seidoi
10.1093/ije/dyg001keywords:
subject
Has Abstractpub_date
2003-02-01 00:00:00pages
60-3issue
1eissn
0300-5771issn
1464-3685journal_volume
32pub_type
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