Women's Health Weekly
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Breast Cancer
Researchers' work from University of California focuses on breast cancer
May 29th, 2008
According to a study from the United States, "August-Copenhagen-Irish (ACI) rats are unique in that the ovary-intact females develop high incidence of mammary cancers induced solely by hormones upon prolonged exposure to high levels of estrogen alone. Studies have also shown that such prolonged exposure to high-dose estrogen results in human-like aneuploid mammary cancers in ovary-intact ACI rats." "To determine the role of progesterone in mammary carcinogenesis, six-week-old intact and ovariectomized ACI rats were continuously exposed to low- and high-dose estrogen alone, progesterone alone, low-dose estrogen plus progesterone, and ovariectomized ACI rats with...
Source: Women's Health Weekly (2008-05-29)
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