image: Progesterone fails to oppose the proliferative effects of estrogen on uterine epithelium in the absence of Hand2. This image relates to an article that appeared in the Feb. 18, 2011, issue of Science, published by AAAS. The study, by Dr. Quanxi Li, at University of Illinois at Urbana-Champaign in Urbana, Ill., and colleagues was titled, "The Antiproliferative Action of Progesterone in Uterine Epithelium Is Mediated by Hand2." view more
Credit: [Image © <i>Science</i>/AAAS]