Journal Article

SHORT COMMUNICATION: Influence of a mutation reducing the catalytic activity of the cytochrome P450 CYP2D6 on lung cancer susceptibility

M. Legrand, L. Stücker, D. Marez, N. Sabbagh, JM. Lo-Guidice and F. Broly

in Carcinogenesis

Volume 17, issue 10, pages 2267-2269
Published in print October 1996 | ISSN: 0143-3334
Published online October 1996 | e-ISSN: 1460-2180 | DOI: http://dx.doi.org/10.1093/carcin/17.10.2267
SHORT COMMUNICATION: Influence of a mutation reducing the catalytic
                    activity of the cytochrome P450 CYP2D6 on lung cancer
                    susceptibility

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The possible association between lung cancer and the CYP2D6*9 mutant allele, which reduces the catalytic activity of cytochrome P450 CYP2D6, was examined by PCR-SSCP using peripheral blood DNA from 249 cases of lung cancer and 265 controls, with detailed data on smoking. The CYP2D6*9 mutant allele was present in 4.9% of controls and 6% of cases. Adjusted for age, hospital and smoking, the odds ratio (OR) of lung cancer associated with the presence of the CYP2D6*9 mutant allele was 12 [95% confidence interval (CI) 0.5–2.9]. According to histological type, adenocarcinoma and small cell carcinoma were not associated with the presence of the CYP2D6*9 mutant allele and a non-significant higher occurence of the mutant allele was observed for squamous cell carcinoma (OR 1.74, 95% CI 0.6–4.8). Moreover, no associations were observed upon stratification by number of pack-years of cigarette smoking. These results do not confirm an earlier report that this CYP2D6*9 mutant allele may be an additional risk factor for the development of lung cancer.

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Subjects: Clinical Cytogenetics and Molecular Genetics

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