Mammary Development and Breast Cancer: a Notch Perspective

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Abstract

Mammary gland development primarily occurs postnatally, and this unique process is complex and regulated by systemic hormones and local growth factors. The mammary gland is also a highly dynamic organ that undergoes profound changes at puberty and during the reproductive cycle. These changes are driven by mammary stem cells (MaSCs). Breast cancer is one of the most common causes of cancer-related death in women. Cancer stem cells (CSCs) play prominent roles in tumor initiation, drug resistance, tumor recurrence, and metastasis. The highly conserved Notch signaling pathway functions as a key regulator of the niche mediating mammary organogenesis and breast neoplasia. In this review, we discuss mechanisms by which Notch contributes to breast carcinoma pathology and suggest potentials for therapeutic targeting of Notch in breast cancer. In summary, we provide a comprehensive overview of Notch functions in regulating MaSCs, mammary development, and breast cancer.

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Chen, W., Wei, W., Yu, L., Ye, Z., Huang, F., Zhang, L., … Cai, C. (2021, September 1). Mammary Development and Breast Cancer: a Notch Perspective. Journal of Mammary Gland Biology and Neoplasia. Springer. https://doi.org/10.1007/s10911-021-09496-1

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