期刊
ANNALS OF MEDICINE
卷 43, 期 3, 页码 212-234出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/07853890.2011.554425
关键词
Amphiregulin; ductal morphogenesis; estrogen receptor; EGFR; fibroblast growth factor; mammary gland; puberty; stem cell; terminal end-bud (TEB)
资金
- Science Foundation Ireland
- Health Research Board, Ireland
- European Union [FP5-RTN]
The pubertal mammary gland is an ideal model for experimental morphogenesis. The primary glandular branching morphogenesis occurs at this time, integrating epithelial cell proliferation, differentiation, and apoptosis. Between birth and puberty, the mammary gland exists in a relatively quiescent state. At the onset of puberty, rapid expansion of a pre-existing rudimentary mammary epithelium generates an extensive ductal network by a process of branch initiation, elongation, and invasion of the mammary mesenchyme. It is this branching morphogenesis that characterizes pubertal mammary gland growth. Tissue-specific molecular networks interpret signals from local cytokines/growth factors in both the epithelial and stromal microenvironments. This is largely orchestrated by secreted ovarian and pituitary hormones. Here, we review the major molecular regulators of pubertal mammary gland development.
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