Cell-autonomous activation of the PI3-kinase pathway initiates endometrial cancer from adult uterine epitheliumSanaz Memarzadeh, Yang Zong, Deanna M. Janzen, Andrew S. Goldstein, Donghui Cheng, Takeshi Kurita, Amanda M. Schafenacker, Jiaoti Huang and Owen N. Witte · Proceedings of the National Academy of Sciences of the United States of America · 2010