Molecular Biology Reports

, Volume 39, Issue 11, pp 9921–9930 | Cite as

Cytochrome P450 1A1 (CYP1A1) gene polymorphisms and ovarian cancer risk: a meta-analysis

  • Theodoros N. SergentanisEmail author
  • Konstantinos P. Economopoulos
  • Souzana Choussein
  • Nikos F. Vlahos


This meta-analysis aims to examine whether the genotype status of MspI, Ile462Val, and Thr461Asn polymorphisms in Cytochrome P450 1A1 (CYP1A1) is associated with ovarian cancer risk. Eligible case–control studies were identified through search in MEDLINE (end of search: October 2010). Pooled odds ratios (ORs) were appropriately derived from fixed effects or random effects models. Concerning MspI polymorphism, seven studies were eligible (1,051 cases and 1,613 controls); 11 studies were eligible (1,680 cases and 3,345 controls) for Ile462Val and three studies were eligible (349 cases and 785 controls) for Thr461Asn. Ile462Val polymorphism seemed to confer elevated ovarian cancer risk concerning homozygous carriers (pooled OR = 2.65, 95 % CI: 1.40–5.03, p = 0.003, fixed effects), as well as at the recessive model (pooled OR = 2.10, 95 % CI: 1.13–3.92, p = 0.020, fixed effects); these findings were replicated upon Caucasian subjects. MspI polymorphism was not associated with ovarian cancer risk (for heterozygous TC vs TT carriers pooled OR = 1.10, 95 % CI: 0.91–1.34, p = 0.329, fixed effects; for homozygous CC vs. TT carriers pooled OR = 1.11, 95 % CI: 0.65–1.90, p = 0.693, fixed effects). With respect to Thr461Asn polymorphism a finding of borderline statistical significance emerged, pointing to marginally elevated ovarian cancer risk in heterozygous Thr/Asn carriers (pooled OR = 1.62, 95 % CI: 0.97–2.70, p = 0.066, fixed effects), but not in homozygous Asn/Asn carriers (pooled OR = 1.40, 95 % CI: 0.18–10.89, p = 0.749, fixed effects). Ile462Val status seems to represent a meaningful risk factor for ovarian cancer in Caucasians. Additional case–control studies of high methodological quality are needed in order to further substantiate and enrich the present findings. Special attention should be paid upon the design of future studies; Asian and African populations should represent points of focus.


Cytochrome P450 1A1 Ovarian cancer MspI polymorphism Ile462Val polymorphism Thr461Asn polymorphism 



None to report.


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Theodoros N. Sergentanis
    • 1
    • 2
    Email author
  • Konstantinos P. Economopoulos
    • 1
    • 2
  • Souzana Choussein
    • 1
    • 2
  • Nikos F. Vlahos
    • 1
    • 3
  1. 1.School of MedicineUniversity of AthensAthensGreece
  2. 2.Society of Junior DoctorsMaroussi, AthensGreece
  3. 3.Department of Gynecology and Obstetrics, School of MedicineJohns Hopkins UniversityBaltimoreUSA

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