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Urinary bisphenol A-glucuronide and postmenopausal breast cancer in Poland.


ABSTRACT: PURPOSE:Concerns regarding a possible link between bisphenol A (BPA) and breast cancer have been mounting, but studies in human populations are lacking. We evaluated the association between the major urinary BPA metabolite [BPA-glucuronide (BPA-G)] and postmenopausal breast cancer risk in a large population-based case-control study conducted in two cities in Poland (2000-2003); we further explored the association of BPA-G levels with known postmenopausal breast cancer risk factors in our control population. METHODS:We analyzed creatinine-adjusted urinary BPA-G levels among 575 postmenopausal cases matched on age and study site to 575 controls without breast cancer using a recently developed assay. Odds ratios and 95 % confidence intervals were used to estimate the association between urinary BPA-G level and breast cancer using conditional logistic regression. Among controls, geometric mean BPA-G levels were compared across categories of breast cancer risk factors using linear regression models. RESULTS:There was no indication that increased BPA-G was associated with postmenopausal breast cancer (p-trend = 0.59). Among controls, mean BPA-G was higher among women reporting extended use of menopausal hormones, a prior screening mammogram, and residence in Warsaw. Other comparisons across strata of postmenopausal breast cancer risk factors were not related to differences in BPA-G. CONCLUSIONS:Urinary BPA-G, measured at the time of diagnosis, is not linked to postmenopausal breast cancer.

SUBMITTER: Trabert B 

PROVIDER: S-EPMC4400852 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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Urinary bisphenol A-glucuronide and postmenopausal breast cancer in Poland.

Trabert Britton B   Falk Roni T RT   Figueroa Jonine D JD   Graubard Barry I BI   Garcia-Closas Montserrat M   Lissowska Jolanta J   Peplonska Beata B   Fox Stephen D SD   Brinton Louise A LA  

Cancer causes & control : CCC 20140905 12


<h4>Purpose</h4>Concerns regarding a possible link between bisphenol A (BPA) and breast cancer have been mounting, but studies in human populations are lacking. We evaluated the association between the major urinary BPA metabolite [BPA-glucuronide (BPA-G)] and postmenopausal breast cancer risk in a large population-based case-control study conducted in two cities in Poland (2000-2003); we further explored the association of BPA-G levels with known postmenopausal breast cancer risk factors in our  ...[more]

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