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The CCAAT/enhancer binding proteins (C/EBPs) are differentially expressed throughout mammary gland development and interact with binding sites within the promoter of a milk protein gene, beta-casein. The specific roles of C/EBPbeta and C/EBPalpha in mouse mammary gland development and differentiation have been investigated in mice that carry targeted(More)
Ductal morphogenesis in the rodent mammary gland is characterized by the rapid penetration of the stromal fat pad by the highly proliferative terminal endbud and subsequent formation of an arborized pattern of ducts. The role of apoptosis in ductal morphogenesis of the murine mammary gland and its potential regulatory mechanisms was investigated in this(More)
Estrogen regulates proliferation and morphogenesis of mammary ductal epithelium by interacting with a specific intracellular estrogen receptor (ER) that acts as a hormone-dependent transcriptional regulator of gene expression. The mechanisms by which ER regulates transcription in response to estrogen have been analyzed extensively in tissue culture and in(More)
One of the most consistent results in the epidemiology of human breast cancer is the inverse relationship of risk and early full-term parity. The goal of this study was to investigate the molecular mechanisms through which early full-term pregnancy protects the breast from cancer development. We used Wistar-Furth (WF) rats as our experimental system and(More)
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