Published in Women's Health Weekly, October 4th, 2007
Estrogen causes hormone-responsive breast cancer cells to grow and divide by interacting with estrogen receptors made by cancer cells. Interfering with estrogen signaling is the basis of two common breast cancer therapies -- tamoxifen, which blocks estrogen's interaction with a primary estrogen receptor called ER-alpha, and aromatase inhibitors that reduce the amount of estrogen...
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