2001
Association of genetic polymorphisms in UGT1A1 with breast cancer and plasma hormone levels.
Guillemette C, De Vivo I, Hankinson SE, Haiman CA, Spiegelman D, Housman DE, Hunter DJ. Association of genetic polymorphisms in UGT1A1 with breast cancer and plasma hormone levels. Cancer Epidemiology Biomarkers & Prevention 2001, 10: 711-4. PMID: 11401924.Peer-Reviewed Original ResearchConceptsHealth Study cohortBreast cancer riskHormone levelsBreast cancerUGT1A1 genotypeCancer riskNurses' Health Study cohortPremenopausal breast cancer riskUDP-glucuronosyltransferasesBody mass indexCase-control studyPlasma hormone levelsUGT1A1 promoter polymorphismCommon insertion/deletion polymorphismInsertion/deletion polymorphismPostmenopausal womenHormone replacementMass indexStudy cohortEstradiol levelsEstradiol metabolismBlood drawCaucasian womenRelative riskAfrican American population
1999
The relationship between a polymorphism in CYP17 with plasma hormone levels and breast cancer.
Haiman CA, Hankinson SE, Spiegelman D, Colditz GA, Willett WC, Speizer FE, Kelsey KT, Hunter DJ. The relationship between a polymorphism in CYP17 with plasma hormone levels and breast cancer. Cancer Research 1999, 59: 1015-20. PMID: 10070957.Peer-Reviewed Original ResearchConceptsHealth Study cohortBreast cancer riskBreast cancerHormone levelsA2 alleleCancer riskNurses' Health Study cohortStrong independent risk factorA2/A2 genotypeCYP17 A2 alleleElevated levelsAdvanced breast cancerIncident breast cancerIndependent risk factorPolycystic ovarian syndromeCertain steroid hormonesA1/A1 genotypeCase-control studyPlasma hormone levelsSteroid hormone levelsLater agePremenopausal womenCYP17 genotypeHormone replacementOvarian syndrome
1995
Reproducibility of plasma hormone levels in postmenopausal women over a 2-3-year period.
Hankinson SE, Manson JE, Spiegelman D, Willett WC, Longcope C, Speizer FE. Reproducibility of plasma hormone levels in postmenopausal women over a 2-3-year period. Cancer Epidemiology Biomarkers & Prevention 1995, 4: 649-54. PMID: 8547832.Peer-Reviewed Original ResearchConceptsSex hormone-binding globulinIntraclass correlation coefficientPlasma hormone levelsPostmenopausal womenBioavailable estradiolPlasma levelsFree estradiolHormone levelsHealthy postmenopausal womenHormone-binding globulinLow intraclass correlation coefficientsPostmenopausal hormonesPlasma estrogenPlasma hormonesEstrone sulfateAge 51Blood samplesEstradiolWomenHormoneAndrostenedioneProlactinAgeSample collectionMenopause