| Titre : | Polymorphisms in CYP1A1, GSTM1, GSTT1 and lung cancer below the age of 45 years. (2003) |
| Auteurs : | E. TAIOLI ; S. BENHAMOU ; P. BOFFETTA ; J. BROCKMOLLER ; D. BUTKIEWICZ ; I. CASCORBI ; M.L. CLAPPER ; V. DOLZAN ; S. GARTE ; L. GASPARI ; A. HAUGEN ; A. HIRVONEN ; K. HUSGAFVEL-PURSIAINEN ; I. KALINA ; P. KREMERS ; L. LE MARCHAND ; S. LONDON ; A. RANNUG ; M. ROMKES ; B. SCHOKET ; J. SEIDEGARD ; I. STACKER ; R.C. STRANGE ; J. TO-FIGUERAS ; Genetics Research Institute Milano. ITA ; Molecular and Genetic Epidemiology Unit. Ospedale Maggiore Irccs. ITA |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 32, n° 1, 2003) |
| Pagination : | 60-63 |
| Langues: | Anglais |
| Mots-clés : | Cancer ; Hérédité ; Epidémiologie ; Gène ; Jeune adulte ; Homme ; Facteur risque ; Carcinogène ; Tabagisme ; Appareil respiratoire [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS 7ORR0x3L. Diffusion soumise à autorisation]. 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 I 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 Mspl variant allele (CYP1 A1*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. |
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