Developmental stage determines estrogen receptor alpha expression and non-genomic mechanisms that control IGF-1 signaling and mammary proliferation in mice.
AuthorsTian J, Berton TR, Shirley SH, Lambertz I, Gimenez-Conti IB, DiGiovanni J, Korach KS, Conti CJ, Fuchs-Young R
JournalJ Clin Invest
PubMed ID22182837
Insulin like growth factor-1 (IGF-1) stimulates increased proliferation and survival of mammary epithelial cells and also promotes mammary tumorigenesis. To study the effects of IGF-1 on the mammary gland in vivo, we used BK5.IGF-1 transgenic (Tg) mice. In these mice, IGF-1 overexpression is controlled by the bovine keratin 5 promoter ... More