View Full Version : Abortion drug stops breast cancer

30 Nov 06,, 21:23
WASHINGTON - The chemical compound in the abortion pill RU-486 blocked formation in mice of breast tumors caused by a mutant gene blamed in many women’s breast and ovarian cancers, researchers found.

The study, published on Thursday in the journal Science, suggests a potential new path to protect women genetically predisposed to these cancers by using drugs to interfere with a hormone called progesterone, the researchers said.

A team led by University of California at Irvine scientist Eva Lee found that the compound, mifepristone, prevented breast tumors by blocking progesterone in mouse breast tissue cells.