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Researchers Find Clues to Pregnancy-associated Breast Cancer
According to the new research, expression of inflammatory-related genes in breast tissue of women who have previously given birth may be behind the crime.
Pregnancy at a relatively young age reduces the risk of breast cancer over the long term, but epidemiological studies have found that women are at an increased risk for breast cancer during pregnancy and for up to 10 years after giving birth, said Debra Tonetti, associate professor of pharmacology and lead researcher on the study.
She added that these pregnancy-associated breast cancers also carry an unusually high risk of spreading to nearby organs and for lethality as compared to breast cancers in women who have never been pregnant.
To reach the conclusion, Tonetti and her research team examined the level of expression of 64 genes in tissue from benign breast biopsies and breast-reduction surgeries at the University of Illinois Medical Center at Chicago.
The women, who were between the ages of 18 and 45, were divided into three categories: those who had never been pregnant, those who had been pregnant within the past two years, and those who had been pregnant five to 10 years previously.
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More News on: Women and Cancer, Breast Biopsy, Pagets disease of the breast, Mastitis, Cancer and Homeopathy, Breast Cancer Facts, Cancer Facts, Cancer, Tattoos A Body Art, Breasts - Structures and Types
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