BRCA1 Gene Found To Inhibit Two Sex Hormones, Not Just One

... Could help explain why women who have mutations in their BRCA1 gene are susceptible to ''hormone-dependent'' cancers including breast, endometrial and cervical cancers. It''s been known that the breast cancer susceptibility gene BRCA1 regulates use of estrogen in breast and other cells, but now researchers at Georgetown University Medical Center have discovered that it also controls activity of a second sex steroid hormone, progesterone... click link for more info. ...