Cytochrome P450 1A1 gene polymorphisms and endometrial cancer risk: A meta-analysis

Theodoros N. Sergentanis, Konstantinos P. Economopoulos, Souzana Choussein, Nikos F. Vlahos

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Introduction: This meta-analysis aims to examine whether the genotype status of Msp1, Ile462Val, and Thr461Asn polymorphisms in cytochrome P450 1A1 (CYP1A1) is associated with endometrial cancer risk. Methods: Eligible case-control studies were identified through search in MEDLINE (end of search: August 2010). Pooled odds ratios (ORs) were appropriately derived from fixedeffects or random-effects models. Results: Concerning MspI polymorphism, 8 studies were eligible (1456 cases and 2371 controls); 9 studies were eligible (1889 cases and 3662 controls) for Ile462Val and 6 studies were eligible (1272 cases and 2122 controls) for Thr461Asn. MspI polymorphism was not associated with endometrial cancer risk (for heterozygous TC vs TT carriers: OR = 0.83, 95% confidence interval [CI], 0.59-1.15, random effects; for homozygous CC vs TT carriers: OR = 1.00, 95% CI, 0.55-1.82, fixed effects). Similarly, Ile462Val polymorphism was not associated with endometrial cancer risk (for heterozygous Ile/Val vs Ile/Ile carriers: OR = 1.27, 95% CI, 0.78-2.06, random effects; for homozygous Val/Val vs Ile/Ile carriers: OR = 1.16, 95% CI, 0.48-2.81, fixed effects). Accordingly, Thr461Asn status was not significantly associated with endometrialcancer risk. The same results were reproduced in Caucasians. Conclusions: The 3 examined CYP1A1 genotype polymorphisms do not seem to confer any additional risk for endometrial cancer in Caucasians. Accumulation of further data seems mandatory for future race-specific analyses.

    Original languageEnglish (US)
    Pages (from-to)323-331
    Number of pages9
    JournalInternational Journal of Gynecological Cancer
    Volume21
    Issue number2
    DOIs
    StatePublished - Feb 1 2011

    Keywords

    • Cytochrome P450 1A1
    • Endometrial cancer
    • Ile462Val polymorphism
    • MspI polymorphism
    • Thr461Asn polymorphism

    ASJC Scopus subject areas

    • Oncology
    • Obstetrics and Gynecology

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