How some breast cancers alter their sensitivity to estrogen
Wednesday, July 27, 2011 - 16:30
in Health & Medicine
Using human breast cancer cells and the protein that causes fireflies to glow, scientists have shed light on why some breast cancer cells become resistant to the anticancer effects of the drug tamoxifen. The key is a discovery of two genetic "dimmer switches" that apparently control how a breast cancer gene responds to the female hormone estrogen.