Urinary Melatonin Levels and Breast Cancer Risk
نویسندگان
چکیده
منابع مشابه
Urinary melatonin levels and breast cancer risk.
Exposure to light at night suppresses melatonin production, and night-shift work (a surrogate for such exposure) has been associated with an increased risk of breast cancer. However, the association between circulating melatonin levels and breast cancer risk is unclear. In a prospective case-control study nested within the Nurses' Health Study II cohort, we measured the concentration of the maj...
متن کاملUrinary Melatonin Levels and Risk of Postmenopausal Breast Cancer in the Women's Health Initiative Observational Study
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متن کاملUrinary melatonin levels and postmenopausal breast cancer risk in the Nurses' Health Study cohort.
BACKGROUND Melatonin seems to play a role in breast cancer etiology, but data addressing the association between melatonin levels and breast cancer risk in postmenopausal women is sparse. METHODS We conducted a nested case-control study in the Nurses' Health Study cohort. First spot morning urine was collected from 18,643 cancer-free women from March 2000 through December 2002. The concentrat...
متن کاملUrinary levels of melatonin and risk of postmenopausal breast cancer: women's health initiative observational cohort.
BACKGROUND Results from prospective studies on the association between urinary levels of melatonin and risk of postmenopausal breast cancer have been mixed. Several although not all studies have found lower urinary levels of melatonin in women who developed breast cancer compared with cancer-free women. METHODS We examined the association between urinary levels of melatonin and breast cancer ...
متن کاملUrinary Melatonin Levels and Skin Malignancy
Melatonin inhibits tumor genesis in a variety of in vivo and in vitro experimental models of neoplasia. In industrialized societies, light at night, by suppressing melatonin production, poses a new risk for the development of a variety of cancers such as breast cancer. This effect on skin has been previously studied only in animals and not in humans. Our goal was to examine the relationship bet...
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ژورنال
عنوان ژورنال: JNCI: Journal of the National Cancer Institute
سال: 2005
ISSN: 1460-2105,0027-8874
DOI: 10.1093/jnci/dji190