Terminal end bud maintenance in mammary gland is dependent upon FGFR2b signaling
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چکیده
منابع مشابه
p120-catenin is essential for terminal end bud function and mammary morphogenesis.
Although p120-catenin (p120) is crucial for E-cadherin function, ablation experiments in epithelial tissues from different organ systems reveal markedly different effects. Here, we examine for the first time the consequences of p120 knockout during mouse mammary gland development. An MMTV-Cre driver was used to target knockout to the epithelium at the onset of puberty. p120 ablation was detecte...
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Administration of the direct acting carcinogen N-methyl-N-nitrosourea (NMU) to 50-55-day-old virgin female rats on different days of the estrous cycle yields differential breast tumor biology (T. A. Ratko and C. W. Beattie, Cancer Res., 45: 3042-3047). One basis for these estrous cycle-dependent differences may be the duration of cell cycle stages of susceptible structures such as mammary termi...
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The mouse mammary gland may undergo cycles of proliferation, terminal differentiation, tissue remodeling, and more importantly malignant transformation.Mammary epithelial stem cells and their progeny participate in these processes.Mammary epithelial stem cells are multipotent, exhibit properties of self renewal (up to 7 divisions)and may exist either as long-lived nondividing cells or as prolif...
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Mathematics is often used to model biological systems. In mammary gland development, mathematical modeling has been limited to acinar and branching morphogenesis and breast cancer, without reference to normal duct formation. We present a model of ductal elongation that exploits the geometrically-constrained shape of the terminal end bud (TEB), the growing tip of the duct, and incorporates morph...
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Previous studies from this laboratory have emphasized the essential role of GH in pubertal mammary development and shown that insulin-like growth factor I (IGF-I) was capable of substituting for GH in this process in rats and mice. The present study shows that, even when GH is present, no mammary development is possible unless IGF-I is present. IGF-I(-/-) null female animals were found to have ...
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2008
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2008.02.014