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Unbalanced estrogen metabolism in ovarian cancer.


ABSTRACT: Greater exposure to estrogens is a risk factor for ovarian cancer. To investigate the role of estrogens in ovarian cancer, a spot urine sample and a saliva sample were obtained from 33 women with ovarian cancer and 34 age-matched controls. Thirty-eight estrogen metabolites, conjugates and DNA adducts were analyzed in the urine samples using ultraperformance liquid chromatography/tandem mass spectrometry, and the ratio of adducts to metabolites and conjugates was calculated for each sample. The ratio of depurinating estrogen-DNA adducts to estrogen metabolites and conjugates was significantly higher in cases compared to controls (p?

SUBMITTER: Zahid M 

PROVIDER: S-EPMC3949171 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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