2004
Manganese Superoxide Dismutase Polymorphism, Plasma Antioxidants, Cigarette Smoking, and Risk of Breast Cancer
Tamimi RM, Hankinson SE, Spiegelman D, Colditz GA, Hunter DJ. Manganese Superoxide Dismutase Polymorphism, Plasma Antioxidants, Cigarette Smoking, and Risk of Breast Cancer. Cancer Epidemiology Biomarkers & Prevention 2004, 13: 989-996. PMID: 15184255, DOI: 10.1158/1055-9965.989.13.6.Peer-Reviewed Original ResearchConceptsBreast cancer riskHealth Study cohortBreast cancerAla alleleCancer riskCurrent smokersCigarette smokingNurses' Health Study cohortManganese superoxide dismutase polymorphismIndependent risk factorPostmenopausal hormone useCase-control studyVal/ValHormone useStudy cohortIncident casesRisk factorsPlasma antioxidantsDismutase polymorphismAlcohol consumptionVal alleleBlood collectionCancerAntioxidant levelsOxidative stress
1998
Plasma Sex Steroid Hormone Levels and Risk of Breast Cancer in Postmenopausal Women
Hankinson S, Willett W, Manson J, Colditz G, Hunter D, Spiegelman D, Barbieri R, Speizer F. Plasma Sex Steroid Hormone Levels and Risk of Breast Cancer in Postmenopausal Women. Journal Of The National Cancer Institute 1998, 90: 1292-1299. PMID: 9731736, DOI: 10.1093/jnci/90.17.1292.Peer-Reviewed Original ResearchConceptsSex steroid hormone levelsHormone replacement therapyBreast cancer riskPostmenopausal womenBreast cancerSteroid hormone levelsBlood collectionEstrogen levelsReplacement therapyHormone levelsCancer riskHealth StudyPrevious hormone replacement therapyPlasma sex steroid hormone levelsPostmenopausal estrogen levelsNurses' Health StudyPlasma estrogen levelsLevels of estradiolCase-control studyPlasma androgen levelsBioavailable estradiolMenopausal statusSignificant positive associationControl subjectsLowest quartile